CN111136337B

CN111136337B - Numerical control machine tool for machining and deburring parts in shaft

Info

Publication number: CN111136337B
Application number: CN202010029120.XA
Authority: CN
Inventors: 林敏慧
Original assignee: Wenzhou Chengyue Machinery Equipment Co ltd
Current assignee: Shengli Oilfield Kangbei Pipe Tool Co ltd
Priority date: 2020-01-12
Filing date: 2020-01-12
Publication date: 2020-11-27
Anticipated expiration: 2040-01-12
Also published as: CN111136337A

Abstract

The invention discloses a numerical control machine tool for deburring in machining of parts in a shaft, which structurally comprises a workbench, an electric box, a main case, a guider, a reamer and a rotary table, wherein the workbench is arranged on the main case, the electric box is arranged on the workbench and is electrically connected with the main case, the guider, the reamer and the rotary table are fixed on the workbench, the rotary table is provided with an objective table, a supporting disc, a fixing port, an anti-slip strip, a supporting leg mechanism, a rotary shaft and a supporting leg interface, the invention improves the supporting mode between the rotary shaft and the supporting disc, the rotary shaft consists of an inner shaft and an outer shaft, and the rotatable inner shaft is separated from the outside by the outer shaft, the sector support formed by the supporting legs for the outer shaft and the supporting leg interfaces plays a role in stably supporting the supporting disk, the support leg mechanism is sealed on the bottom surface of the supporting disc, and the characteristics that the edge flying and the burr flying in the rotating shaft are prevented under the condition that the normal operation of the rotating table is not influenced are realized.

Description

Numerical control machine tool for machining and deburring parts in shaft

Technical Field

The invention relates to the field of numerical control machines, in particular to a numerical control machine for machining and deburring parts in a shaft.

Background

The camshaft is one of key parts of an engine gas distribution system, burrs are easy to appear in the inner hole of the camshaft in the production process of the camshaft, the burrs in the inner hole of the camshaft need to be removed in order to ensure the product quality, in the process of machining the camshaft, burrs and burrs exist in blanks of castings and forgings manufactured by using a die, the burrs and the burrs bring certain influence on subsequent machining and appearance quality, and the burrs need to be removed after the blanks are formed;

and as camshaft in the deburring revolving stage that often needs to use, the revolving stage can guarantee that the deburring of camshaft hole is more comprehensive all the time, nevertheless also along with going on of this function, the revolving stage is in continuous rotation, and these overlap and burr receive the influence of environmental wind-force, and the landing is in the switching department of revolving stage, and unevenness's burr is along with the continuous entering of precession in the revolving stage that sinks deeply more, and the rotation that influences the revolving stage is great to the wearing and tearing of revolving stage switching position simultaneously.

Disclosure of Invention

The invention aims to provide a numerical control machine tool for deburring in shaft part machining, which is used for solving the technical problems that a rotary table is usually needed in deburring of a cam shaft, the rotary table can always ensure more comprehensive deburring of an inner hole of the cam shaft, the burrs and burrs float at a transfer position of the rotary table under the influence of environmental wind power as the rotary table continuously rotates along with the function, and the uneven burrs are more deeply sunk into the rotary table as the uneven burrs continuously enter along with the rotation, so that the rotation of the rotary table is influenced and the abrasion of the transfer position of the rotary table is larger.

In order to achieve the purpose, the invention is realized by the following technical scheme: a numerically-controlled machine tool for removing burrs of parts in shaft structurally comprises a workbench, an electric box, a mainframe box, a guider, a reamer and a rotary table, the workbench is arranged on the main case, the electrical box is arranged on the workbench and is electrically connected with the main case, the guider, the reamer and the rotary table are all fixed on the workbench, the rotary table is provided with an object stage, a supporting disc, a fixing port, an anti-slip strip, a support leg mechanism, a rotating shaft and a support leg interface, the objective table is provided with an anti-skid strip and a fixed port, the fixed port penetrates through the objective table and is connected with a rotating shaft, the rotating shaft is divided into an inner shaft and an outer shaft, wherein the inner shaft is nested in the outer shaft, the inner shaft is in rotating fit with the fixed port, and the inner shaft is driven by the electric box, the bottom of the supporting disk is fixed on the outer surface of the rotating shaft through a supporting leg mechanism, and the supporting leg mechanism is installed through a supporting leg interface.

Preferably, the fixed port is concentric with the stage, the support plate and the rotating shaft.

Preferably, the bottom of the supporting disc is provided with volatilization holes, supporting structures and four magnetic discs, the supporting structures are provided with the volatilization holes, and the four magnetic discs are uniformly distributed between the adjacent supporting structures.

Preferably, the support leg mechanism comprises a magnet, a traction strip, a limit hollow rod and anti-skidding blocks, the magnet is fixed by the traction strip, the traction strip penetrates through the limit hollow rod, and the two side edges of the limit hollow rod are provided with more than two anti-skidding blocks.

Preferably, the magnetic disk and the magnet are fixed in an attracting mode, four limiting hollow rods matched with the magnet are arranged to form a cross structure, and bearing stability of the magnetic disk and the magnet in the attracting mode is improved.

Preferably, the anti-slip block is of an isosceles trapezoid structure, the magnet is of a three-section sandwich structure, and the grooves on two sides of the central magnetic pole are in insertion fit with the anti-slip block, so that the fixed magnet cannot slide along the smooth surface of the limit hollow rod when the magnetic adsorption connection is disconnected.

Preferably, the receiving structure comprises a solid groove, a connecting seat, a connecting rod and a cam, wherein the cam is rotationally matched at one end of the connecting rod in a mechanical connection mode and is in contact fit with the volatilization hole, the other end of the connecting rod is arranged on the connecting seat, and the solid groove is arranged on two sides of the volatilization hole.

Preferably, the volatilization hole consists of an outer hole, a filter layer, an inner base layer and a filter layer connecting piece, wherein the filter layer is arranged between the outer hole and the inner base layer through the filter layer connecting piece, the filter layer is a fine filter screen, the inner base layer is connected with the cam, and the inner layer surface of the filter layer is in contact with the cam.

Preferably, the filter layer connecting piece comprises a tension spring, a fixed end and a bearing base, the bearing base is fixed on one side of the solid groove, the fixed end and the filter layer are welded together, and the upper end and the lower end of the fixed end are connected with the tension spring.

Preferably, the four support leg mechanisms are provided to more stably support the support plate.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention improves the bearing mode between the rotating shaft and the bearing disk, the rotating shaft consists of an inner shaft and an outer shaft, the rotatable inner shaft is separated from the outside by the outer shaft, the outer shaft is supported by the fan-shaped support formed by the support legs and the support leg interfaces to stably support the bearing disk, and simultaneously, the support leg mechanism is sealed at the bottom surface of the bearing disk, thereby realizing the characteristic of preventing the edges and the burrs from falling in the rotating shaft without influencing the normal operation of the turntable.

2. The support leg mechanism is characterized in that the support leg mechanism is combined by a magnet, a traction strip, a limiting hollow rod and an anti-slip block, and the limit hollow rod and a supporting disc are connected by the adsorption action of the magnet and a magnetic disc so as not to deviate; under the traction of the traction strip, the magnet and the magnetic disk are better separated, so that the support leg mechanism is convenient to disassemble and better clean the inside of the rotating shaft; the limiting hollow rod can be used for correcting the traction of the traction strip and can not be deviated, and the effective disconnection of the magnetic disk and the magnet is ensured.

3. The invention is provided with the volatilization hole on the circumference of the bottom surface of the supporting disc, and the volatilization hole can promote the circulation of the air inside and outside the rotating shaft and increase the heat radiation performance.

4. The filtering layer arranged in the volatilization hole is a fine filtering net which can filter flash and burrs generated in deburring.

5. The filter layer is matched with the filter layer connecting piece, the cam and the connecting rod, the fixed end is positioned between the two tension springs, and under the action of external force, the filter layer is rocked between the two tension springs and matched with the cam to knock filter matters on the filter layer, so that the accumulation of pollutants on the filter layer is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a numerically-controlled machine tool for machining and deburring parts in a shaft.

FIG. 2 is a schematic view of a three-dimensional structure of a turntable of the numerical control machine tool for machining and deburring parts in a shaft.

FIG. 3 is a schematic view of the bottom structure of a support disc of the numerically controlled machine tool for machining and deburring parts in a shaft.

FIG. 4 is an enlarged view of the structure A in FIG. 3 according to the present invention.

Fig. 5 is a schematic structural view of the leg mechanism of the present invention.

FIG. 6 is a schematic structural diagram of the receiving structure of the present invention.

Fig. 7 is a schematic structural view of the hollow limit rod of the invention.

In the figure: the device comprises a workbench-1, an electric box-2, a main case-3, a guider-4, a reamer-5, a rotary table-6, an object stage-61, a supporting disc-62, a fixing port-63, an anti-slip strip-64, a supporting leg mechanism-65, a rotary shaft-66, a supporting leg interface-67, a volatilization hole-621, a receiving structure-622, a magnetic disc-623, a magnet-651, a traction strip-652, a limiting hollow rod-653, an anti-slip block-654, a solid groove-220, a connecting seat-221, a connecting rod-222, a cam-223, an outer hole-211, a filter layer-212, an inner base layer-213, a filter layer connecting piece-214, a tension spring-14 a, a fixing end-14 b and a bearing base-14 c.

Detailed Description

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

As shown in fig. 1-5, the invention provides a numerically-controlled machine tool for deburring in-shaft parts, which structurally comprises a workbench 1, an electrical box 2, a main box 3, a guider 4, a reamer 5 and a turntable 6, wherein the workbench 1 is mounted on the main box 3, the electrical box 2 is arranged on the workbench 1, the electrical box 2 is electrically connected with the main box 3, the guider 4, the reamer 5 and the turntable 6 are fixed on the workbench 1, the turntable 6 is provided with an object stage 61, a supporting disc 62, a fixing port 63, an anti-slip strip 64, a leg mechanism 65, a rotating shaft 66 and a leg interface 67, the object stage 61 is provided with an anti-slip strip 64 and a fixing port 63, the fixing port 63 penetrates through the object stage 61 and is connected with the rotating shaft 66, the rotating shaft 66 is divided into an inner shaft and an outer shaft, wherein the inner shaft is nested in the outer shaft, the inner shaft and the fixing port 63 are in rotating fit, and the inner shaft is driven, the bottom of the supporting disc 62 is fixed on the outer surface of the rotating shaft 66 through a supporting leg mechanism 65, the supporting leg mechanism 65 is installed through a supporting leg interface 67, the fixing port 63 is concentric with the objective table 61, the supporting disc 62 and the rotating shaft 66, the bottom of the supporting disc 62 is provided with a volatilization hole 621, a bearing structure 622 and a magnetic disc 623, the bearing structure 622 is provided with the volatilization hole 621, the magnetic disc 623 is provided with four magnetic discs and is uniformly distributed between the adjacent bearing structures 622, the supporting leg mechanism 65 comprises a magnet 651, a traction strip 652, a limiting idle rod 653 and anti-slip blocks 654, the magnet 651 is fixed through the traction strip 652, the traction strip 652 penetrates through the limiting idle rod 653, two or more anti-slip blocks 654 are arranged on two sides of the limiting idle rod 653, the magnetic disc 623 and the magnet 651 are fixedly attracted, the limiting idle rod 653 matched with the magnet 651 is provided with four magnetic discs, a cross-frame structure is formed, and the bearing stability of the magnetic disc 623 and the magnet, non-slip segment 654 is the isosceles trapezoid structure, and magnet 651 is the sandwich structure of syllogic, and the recess that is located the both sides of central magnetic pole is inserted with non-slip segment 654 and is inlayed the formula cooperation to this fixed magnet 651 can not produce relative slip along the glossy surface of spacing idle rod 653 when breaking off the magnetic adsorption connection, stabilizer blade mechanism 65 is equipped with four, accepts supporting disk 62 more stably, and when in order to play the stable supporting disk of supporting with the fan-shaped support that stabilizer blade, stabilizer blade interface formed, the stabilizer blade mechanism seals in the bottom surface of supporting disk, thereby with the overlap that the burring produced with the burr isolated outside, can not pollute the pivot and influence the pivot operation.

Example 2

As shown in fig. 1-5, the leg mechanism 65 according to embodiment 1 can prevent the edge flying and burr flying in the rotating shaft without affecting the normal operation of the turntable, and the attraction between the magnet and the magnetic disc can prevent the connection between the hollow limit rod and the support disc from deviating; under the traction of the traction strip, the magnet and the magnetic disk are better separated, so that the support leg mechanism is convenient to disassemble and better clean the inside of the rotating shaft; the limiting idle rod can be used for correcting the traction of the traction strip and can not be deviated, on the basis of ensuring the effective disconnection of a magnetic disk and a magnet, the bearing structure 622 comprises a solid groove 220, a connecting seat 221, a connecting rod 222 and a cam 223, one end of the connecting rod 222 is matched with the cam 223 in a mechanical connection mode in a rotating mode, the cam 223 is matched with a volatilization hole 621 in a contacting mode, the other end of the connecting rod is installed on the connecting seat 221, the solid groove 220 is arranged on two sides of the volatilization hole 621, the volatilization hole 621 comprises an outer hole 211, a filter layer 212, an inner base layer 213 and a filter layer connector 214, the filter layer 212 is installed between the outer hole 211 and the inner base layer 213 through the filter layer connector 214, the filter layer 212 is a fine filter screen, the inner base layer 213 bears the cam 223, the inner layer of the filter layer 212 is in contact with the cam 223, the filter layer connector 214 comprises a tension spring 14a, bear base 14c and fix in solid groove 220 one side, stiff end 14b welds together with filter layer 212 the upper and lower both ends of stiff end 14b are connected with extension spring 14a, have dustproof function volatilization hole by solid groove, connecting seat, connecting rod, cam cooperation, and the cam is knocked down with the filth on the filter layer, and the pollutant is piled up on the reduction filter layer to improve the life of filter layer.

The following describes the implementation of the numerical control machine tool for machining and deburring the parts in the shaft in detail:

the camshaft is placed on the fixed port 63 to be fixed, the rotary table 6 is started, the rotating shaft 66 rotates, the reamer 5 is conveyed to a reasonable deburring position of the camshaft by the guider 4, deburring processing is carried out on the camshaft under the action of the movement of the rotating shaft 66, in the deburring process, the objective table 61 and the supporting disc 62 are of concentric circle structures with the same circle center and different diameters, the bottom of the supporting disc 62 is formed by receiving four supporting leg mechanisms 65 with the same structure and size, the supporting leg mechanisms 65 are only fixed on the outer shaft of the rotating shaft 66, and the inner shaft is isolated from the outside by utilizing a fan-shaped wrapping shape formed by the supporting leg mechanisms 65, so that the condition that burrs float in the switching position of the rotating shaft 66 to influence the normal operation is avoided;

furthermore, because the supporting leg mechanism 65 is closed, in order to improve the air circulation inside and outside the rotating shaft 66, the circumference of the supporting disc 62 is provided with volatilization holes 621, and the filter layer 212 arranged in the volatilization holes 621 can filter out flash and burr generated in deburring so as to ensure the cleanliness of the inside of the rotating shaft 66;

the cam 223 and the connecting rod 222 of the bearing structure 622 matched with the volatilization hole 621 are arranged on the inner base layer 213 and contact with the filter layer 212 by the rotation of the cam 223, and meanwhile, the filter layer 212 is knocked by the tension spring 14a arranged between the filter layer connecting piece 214, namely the fixed end 14b fixed with the filter layer 212 and the cam 223 matched with the tension spring 14a, so that the filter layer 212 reciprocates and impurities attached to the surface of the filter layer 212 are shaken off.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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 an in-shaft parts machining burring digit control machine tool which characterized in that: the structure of the electric power tool comprises a workbench (1), an electric box (2), a mainframe box (3), a guider (4), a reamer (5) and a rotary table (6), wherein the workbench (1) is installed on the mainframe box (3), the electric box (2) is arranged on the workbench (1), the electric box (2) is electrically connected with the mainframe box (3), and the guider (4), the reamer (5) and the rotary table (6) are fixed on the workbench (1);

the turntable (6) is provided with an object stage (61), a supporting disc (62), a fixing port (63), an anti-slip strip (64), a supporting leg mechanism (65), a rotating shaft (66) and a supporting leg interface (67), the object stage (61) is provided with the anti-slip strip (64) and the fixing port (63), the fixing port (63) penetrates through the object stage (61) and is connected with the rotating shaft (66), the rotating shaft (66) is divided into an inner shaft and an outer shaft, the inner shaft is nested in the outer shaft, the inner shaft and the fixing port (63) are in rotating fit, the inner shaft is driven by an electric box (2), the bottom of the supporting disc (62) is fixed on the outer surface of the rotating shaft (66) through the supporting leg mechanism (65), and the supporting leg mechanism (65) is installed through the supporting leg interface;

the bottom of supporting disc (62) is provided with volatilize hole (621), accepts structure (622), disc (623) accept and all seted up volatilize hole (621) on structure (622), disc (623) are equipped with four, and evenly distributed accepts between structure (622) adjacent, disc (623) and magnet (651) actuation are fixed, and magnet (651) complex spacing idle rod (653) are equipped with four, become the cross structure.

2. The numerical control machine tool for machining and deburring parts in shafts according to claim 1, is characterized in that: the fixed port (63) is concentric with the objective table (61), the supporting disc (62) and the rotating shaft (66).

3. The numerical control machine tool for machining and deburring parts in shafts according to claim 1, is characterized in that: the supporting foot mechanism (65) comprises a magnet (651), a traction strip (652), a limiting hollow rod (653) and anti-skid blocks (654), wherein the magnet (651) is fixed by the traction strip (652), the traction strip (652) penetrates through the limiting hollow rod (653), and more than two anti-skid blocks (654) are arranged on two side edges of the limiting hollow rod (653).

4. The numerical control machine tool for machining and deburring parts in shafts according to claim 3, is characterized in that: the anti-slip blocks (654) are in an isosceles trapezoid structure, the magnets (651) are in a three-section type interlayer structure, and the grooves on the two sides of the central magnetic pole are in insertion fit with the anti-slip blocks (654).

5. The numerical control machine tool for machining and deburring parts in shafts according to claim 1, is characterized in that: accept structure (622) including solid groove (220), connecting seat (221), connecting rod (222), cam (223), the mode normal running fit that the one end of connecting rod (222) adopted mechanical connection has cam (223), this cam (223) with volatilize hole (621) contact cooperation, and the other end is installed on connecting seat (221), solid groove (220) set up the both sides at volatilize hole (621).

6. The numerical control machine tool for machining and deburring parts in shafts according to claim 1, is characterized in that: volatilize hole (621) and constitute by outer hole (211), filter layer (212), interior basic unit (213) and filter layer union piece (214), install filter layer (212) through filter layer union piece (214) between outer hole (211) and interior basic unit (213), this filter layer (212) is fine filter screen, interior basic unit (213) accept cam (223), the interior aspect and the cam (223) contact of filter layer (212).

7. The numerical control machine tool for machining and deburring parts in shafts according to claim 6, is characterized in that: filter layer union piece (214) including extension spring (14a), stiff end (14b), bear base (14c) and fix in solid groove (220) one side, stiff end (14b) welds together with filter layer (212) the upper and lower both ends of stiff end (14b) are connected with extension spring (14 a).