CN214603641U - Machining device for revolving body workpiece - Google Patents

Abstract

The utility model provides a processingequipment of solid of revolution work piece relates to work piece post processing technical field. The processing device comprises a base, a workpiece fixing component, a cutter fixing component and a control component. The workpiece fixing component can be placed on the base in a rotating mode along the preset direction and used for fixing an external workpiece. The tool fixing assembly comprises a first movable seat which is arranged on the base in a movable mode along a preset direction, a second movable seat which is arranged on the first movable seat in a movable mode along the preset direction, a tool clamping piece which is rotatably arranged on the second movable seat, and a first driving piece which is used for driving the tool clamping piece to rotate and is used for fixing an external tool. The first driving member is electrically connected to the control assembly. The utility model discloses a fixed subassembly of work piece adjusts the angle of outside work piece, then removes outside cutter through the fixed subassembly of cutter, makes outside cutter can process required chamfer or taper hole on outside work piece.

Description

Machining device for revolving body workpiece

Technical Field

The utility model relates to a work piece post-processing field particularly, relates to a processingequipment of solid of revolution work piece.

Background

In industrial production, a plurality of important accessories are provided, and the accessories have the characteristics of high dimensional precision requirement, easy abrasion and high manufacturing cost. For example; the fixing table, the preforming punch and the pin are important accessories required by cold heading forming of the contact. The stability of the corresponding size of the fitting is difficult to ensure by the original processing means; secondly, due to the fact that the size of the part is small (the aperture is 1-2 mm), the precision requirement is high, the part is made of hard alloy, conventional machining equipment is mainly discharge machining, an electric corrosion layer is prone to causing poor use and rapid abrasion of the part, and the service life of the part is too low; if the whole accessory is purchased, the cost of the accessory is too high, and the influence on the manufacturing cost of the contact is too large; from the point of view of the contact cold heading technology, the size of the bell mouth of the preformed punch, the processing requirement of the fixed platform, the chamfering size of the pin and the like are all objects to be protected.

In industrial production, equipment for precisely finishing a fine revolving body to replace the original electric discharge machining process is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model provides a processingequipment of solid of revolution work piece aims at improving the problem that lacks the equipment that is used for carrying out the precision finishing to tiny solid of revolution in the prior art.

In order to solve the technical problem, the utility model provides a processingequipment of solid of revolution work piece, it contains base, the fixed subassembly of work piece, the fixed subassembly of cutter to and control assembly.

The workpiece fixing component can be arranged on the base in a rotatable mode along a preset direction. The workpiece fixing assembly is used for fixing an external workpiece.

The tool fixing assembly comprises a first movable seat which is arranged on the base in a movable mode along a preset direction, a second movable seat which is arranged on the first movable seat in a movable mode along the preset direction, a tool clamping piece which is rotatably arranged on the second movable seat, and a first driving piece which is used for driving the tool clamping piece to rotate. The tool holder is used for fixing an external tool. The first driving member is electrically connected to the control assembly.

The workpiece fixing assembly can rotate along a preset direction to adjust the angle of the outer workpiece. The second movable seat is movable in a predetermined direction to bring the outer cutter directly against the outer workpiece. The first movable seat is movable in a predetermined direction to cause the outer cutter to act on the outer work piece.

Optionally, the workpiece holding assembly comprises: a support base, a hinged base, and a workpiece clamping member. The supporting seat is arranged on the base. The hinged seat can be arranged on the supporting seat in a rotating way along a preset direction. The workpiece clamping piece is arranged on the hinged seat and used for fixing the external workpiece.

Optionally, the workpiece fixing assembly further comprises a locking member for fixing the hinge seat, and an angle adjusting member abutted between the support seat and the hinge seat, wherein the angle adjusting member is used for adjusting the angle of the hinge seat relative to the support seat. The bottom of the hinged seat is provided with a circular arc-shaped bulge. The angle adjusting piece is abutted to the circular arc-shaped bulge.

The workpiece clamping piece is rotatably arranged on the angle adjusting piece.

The workpiece holding assembly further comprises: and the second driving piece is used for driving the workpiece clamping piece to rotate. The second driving piece is electrically connected to the control assembly;

optionally, the workpiece holding assembly further comprises a crank rotatably disposed on the angle adjuster. One end of the crank is in transmission connection with the second driving piece. The workpiece clamping piece is arranged at the other end of the crank.

The workpiece clamping piece is a collet. The workpiece holding assembly further includes a lock nut for holding an external workpiece to the collet.

The workpiece fixing assembly further comprises a handle configured on the hinged seat, and the handle is used for driving the hinged seat to rotate.

Optionally, the tool holder is a collet. The tool holding assembly further includes a lock nut for securing an external tool to the collet.

The first movable seat and the second movable seat are respectively arranged on the base and the first movable seat in a manner of being movable in a predetermined direction through a guide rail structure. So that the first movable seat moves along the horizontal direction and the second movable seat moves along the vertical direction.

The first movable seat and the base, and the second movable seat and the first movable seat are driven by a screw rod structure.

The cutter fixing assembly further comprises a knob for driving the screw rod structure.

Optionally, the tool holding assembly further comprises two dial indicators disposed on the base. The two dial indicators are respectively used for detecting the feeding of the cutter fixing assembly in the horizontal direction and the feeding of the cutter fixing assembly in the vertical direction.

Optionally, the cutter fixing assembly further includes at least two limiting blocks respectively disposed on the base; at least two limiting blocks are respectively arranged on two sides of the first movable seat and used for limiting the moving range of the first movable seat.

Optionally, the processing apparatus further comprises a processing fixture detachably disposed on the workpiece fixing assembly and configured to fix an external workpiece. The processing clamp comprises a connecting assembly, a fixing assembly and an adjusting assembly.

The connecting assembly comprises a clamped part and an installation part, wherein the clamped part is used for being fixed on external equipment, and the installation part is coaxially arranged with the clamped part. The installation part is provided with a fixing groove.

The fixing assembly comprises a conversion seat which is detachably arranged on the fixing groove in a sliding mode along a preset direction. The conversion seat is provided with a profile groove for fixing an external workpiece.

The adjusting component comprises an adjusting piece configured on the side wall of the profile groove. The adjusting piece is used for adjusting the position of the conversion seat in the preset direction, so that the axis of the workpiece needing to be processed is coincided with the axis of the connecting component.

Optionally, the number of the adjusting pieces is two, the total thickness of the two adjusting pieces and the fixing assembly is constant, and the thickness difference of the two adjusting pieces is the same as the eccentricity of the outer workpiece;

alternatively, the fixing groove has a pair of sliding surfaces and a pair of abutting surfaces arranged in parallel. The pair of sliding surfaces are respectively slidably coupled to the fixing member so that the fixing member can slide in the fixing groove in a direction parallel to the sliding surfaces. The adjusting piece is abutted against the abutting surface and used for adjusting the position of the fixing component in the fixing groove.

Optionally, the sliding surface and the abutment surface are perpendicular. The adjusting piece is a gasket.

Optionally, the abutting surface is provided with a first accommodating groove for accommodating the adjusting piece. And a second accommodating groove for accommodating the adjusting piece is formed in the surface of the conversion seat corresponding to the abutting surface. The first containing groove and the second containing groove are oppositely arranged and used for limiting the non-axial sliding of the adjusting piece.

Optionally, the connecting assembly includes a connecting seat provided with the clamped portion and the mounting portion, and a connecting member disposed on the connecting seat and provided with the fixing groove. The connecting piece is detachably arranged on the mounting portion, and the fixing groove is coaxial with the clamped portion.

Optionally, the connecting member is provided with a first threaded through hole at a side of the fixing groove.

The connection assembly also includes a first retaining member disposed in the first threaded through-hole. The first locking piece is in threaded connection with the first threaded through hole and is used for being fixedly embedded in the conversion seat of the fixing groove.

Optionally, the conversion base is provided with a second threaded through hole located on the side of the profile groove.

The fixing assembly further comprises a second locking member disposed in the second threaded through hole. And the second locking piece is in threaded connection with the second threaded through hole and is fixedly embedded in an external workpiece of the profiling groove.

Optionally, the side wall of the fixing groove is provided with a first through hole corresponding to the second threaded through hole. The first through hole is used for exposing the adjusting surface of the second locking piece.

The first through hole and the first threaded through hole are coaxially arranged. The adjusting piece is a gasket which is provided with a second through hole matched with the first threaded through hole and the second threaded through hole.

The quantity of first through-hole is two, and centrosymmetric setting is in the gasket.

Optionally, the shape of the conversion seat is octagonal prism. The fixing groove is in an octagonal prism shape.

The distance L1 between the two sides of the fixing groove is greater than the distance L2 between the two sides of the conversion seat. The distance L3 of the other pair of edges of the fixing groove is equal to the distance L4 of the other pair of edges of the converting seat. So that the switching seat can move in the fixing groove along a preset direction.

Optionally, the fixing groove and the side surface of the contour groove are provided with first grooves arranged along the axial direction.

By adopting the technical scheme, the utility model discloses can gain following technological effect:

the angle of the external workpiece is adjusted through the workpiece fixing component, and then the external cutter is moved through the cutter fixing component, so that the external cutter can machine a required chamfer or taper hole on the external workpiece. The consistency of the size of the external workpiece after machining can be well guaranteed, the defects of manual finishing are overcome, the stability and the use requirements of size finishing of the formed part are guaranteed, and the service life of the part is prolonged. The machining replaces the electric discharge machining process, so that the defects caused by electric discharge machining are avoided, and the service life of the accessories is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a front view (half-section state) of the processing apparatus;

FIG. 2 is a top view of the processing device;

FIG. 3 is a left side view of the processing device;

FIG. 4 is an elevation view (half section) of an external cutter machining external workpiece straight hole grinding;

FIG. 5 is an elevation view (half section) of an external cutter machining an external workpiece taper hole grind;

FIG. 6 is an elevation view (half section) of the outer cutter machining an outer workpiece with a chamfer grind;

FIG. 7 is an elevation view (half section) of another chamfer grind of an outer tool machining outer work piece;

FIG. 8 is an isometric view of the machining fixture;

fig. 9 is a front view (half-section state) of the machining jig;

FIG. 10 is a left side view of the machining fixture;

the labels in the figure are: 1-a first driving member; 2-a first movable seat; 3-a base; 4-a support seat; 5-circular arc-shaped bulge; 6-a hinged seat; 7-a second drive member; 8-a workpiece holder; 9-an outer work piece; 10-a stopper; 11-an external cutter; 12-a tool holder; 13-a second movable seat; 14-a limiting block; 15-a handle; 16-a conversion seat; 17-a butting face; 18-a fixed groove; 19-a contour groove; 20-a sliding surface; 21-a mounting portion; 22-a clamped portion; 23-a connecting seat; 24-a connector; 25-an adjustment member; 26-a first via; 27-a second via; 28-a second threaded through hole; 29-a first threaded through hole; 30-a first accommodating groove; 31-a second receiving groove; 32-first groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

the first embodiment,

As shown in fig. 1 to 7, in the present embodiment,

in order to solve the technical problem, the utility model provides a processingequipment of solid of revolution work piece, it contains base 3, the fixed subassembly of work piece, the fixed subassembly of cutter to and control assembly.

The workpiece fixing assembly is rotatably disposed on the base 3 in a predetermined direction. The workpiece fixing assembly is used for fixing an external workpiece 9. The tool fixing assembly includes a first movable seat 2 movably disposed on a base 3 in a predetermined direction, a second movable seat 13 movably disposed on the first movable seat 2 in the predetermined direction, a tool holder 12 rotatably disposed on the second movable seat 13, and a first driving member 1 for driving the tool holder 12 to rotate. The tool holder 12 is used to fix the external tool 11. The first driving member 1 is electrically connected to the control assembly.

Specifically, in the present embodiment, the external workpiece 9 is detachably disposed in the workpiece fixing member. The workpiece holding assembly can be rotated in a predetermined direction to adjust the angle of the outer workpiece 9. The overall height of the workpiece can also be changed when the angle is adjusted. The outer cutter 11 is detachably disposed in the cutter-fixing member. The second movable abutment can be moved in a predetermined direction to bring the outer tool 11 against the outer workpiece 9. The first movable abutment can be moved in a predetermined direction to cause the outer tool 11 to act on the outer workpiece 9. The workpiece angle is adjusted through the workpiece fixing component, and the cutter position is adjusted through the cutter fixing component. The outer tool 11 is made to be able to machine the desired chamfer or taper on the outer work piece 9.

The machining device is suitable for precisely finishing the small revolving body, can directly grind the blank of the accessory, replaces the original electric discharge machining process, avoids the defects caused by electric discharge machining, and prolongs the service life of the accessory. Meanwhile, by adopting the trimming device, the consistency of the size of the machined workpiece can be better ensured, the defect of manual trimming is overcome, the consistency of the size of the machined external workpiece 9 can be better ensured, the stability and the use requirement of the size trimming of the formed accessory are ensured, and the service life of the accessory is prolonged. The machining replaces the electric discharge machining process, so that the defects caused by electric discharge machining are avoided, and the service life of the accessories is prolonged. Therefore, the method has better interchangeability, and the machine adjusting amount is reduced to the maximum extent when the workpiece is replaced.

It should be noted that the external tool 11 of the present embodiment is a grinding head, and one of the grinding head or the external workpiece 9 rotates to realize the machining. In particular, the rotation of one of the sanding head or the outer workpiece 9 is a conventional technical measure for a person skilled in the art and will not be described in detail here.

On the basis of the above embodiment, in an optional embodiment of the present invention, the workpiece fixing assembly includes: a support base 4, a hinged base 6, and a work holder 8. The supporting base 4 is disposed on the base 3. The hinge base 6 is rotatably disposed on the support base 4 in a predetermined direction. The workpiece holder 8 is disposed on the hinge base 6 for fixing the outer workpiece 9. In particular, the workpiece fixing assembly also comprises a locking member to fix the hinged seat 6.

It should be noted that, in this embodiment, the supporting seat 4 is precisely installed on the base 3 through a positioning pin, so that the symmetry planes of the external workpiece 9 and the external cutter 11 are located on the same plane, and the machining precision is ensured. In this embodiment, a U-shaped groove is provided on the support base 4, and the hinge base 6 is located in the U-shaped groove. The locking piece is a bolt penetrating through the U-shaped groove, and the opening of the U-shaped groove is driven to be clamped through the locking bolt so as to fix the hinge base 6 at a certain angle.

In other embodiments, the locking member may be a press clip provided on the hinge base 6. Or, the articulated shaft between the supporting seat 4 and the articulated seat 6 is fixedly arranged on the articulated shaft, and the locking piece is a shaft locking device which is arranged on the supporting seat 4 and used for limiting the rotation of the articulated shaft. The utility model discloses do not injecing the concrete structure of retaining member, as long as can all belong to the structure at a certain angle with articulated seat 6 fixing the utility model discloses a protection scope.

On the basis of the above embodiment, in an optional embodiment of the present invention, the workpiece fixing assembly further includes an angle adjusting member abutting between the supporting seat 4 and the hinge seat 6, and the angle adjusting member is used for adjusting the angle of the hinge seat 6 relative to the supporting seat 4. Specifically, the bottom of the hinge seat 6 is provided with a circular arc-shaped protrusion 5. The angle adjusting piece is abutted against the circular arc-shaped bulge 5.

In this embodiment, the angle adjuster is a block gauge. And, a rotating shaft is provided on the hinge base 6. The rotating shaft protrudes outwards from the bottom of the hinge seat 6 by a part of the outer surface of the circular arc. The block gauge can be abutted on the outer surface of the circular arc shape, so that the accuracy of adjusting the swing angle of the hinge base 6 through the block gauge is guaranteed.

In the present embodiment, what the swing angle of the hinge base 6 corresponds to by converting the block gauge of different heights. When the connecting piece is used, the block gauges with different heights are selected according to different swing angles, so that the connecting piece can be quickly positioned to a required angle, and the connecting piece has good practical significance. In other embodiments, a groove 32 for placing a gauge block can be provided on the support base 4. Or the angle is adjusted through the screw rod by arranging the angle mark on the supporting seat 4 without using a block gauge.

On the basis of the above embodiments, in an optional embodiment of the present invention, the workpiece holder 8 is rotatably disposed on the angle adjuster. The workpiece holding assembly further comprises: and a second driving member 7 for driving the workpiece holding member 8 to rotate. The second driver 7 is electrically connected to the control assembly. Specifically, the workpiece fixing assembly further comprises a crank which is rotatably arranged on the angle adjusting piece. One end of the crank is drivingly connected to the second drive member 7. The work holder 8 is disposed at the other end of the crank. The workpiece holder 8 is a collet. The workpiece holding assembly further includes a lock nut for holding the outer workpiece 9 to the collet. The workpiece fixing assembly further comprises a handle 15 arranged on the hinge base 6, and the handle 15 is used for driving the hinge base 6 to rotate.

In the present embodiment, the first driver 1 drives the external tool 11 to rotate, and the second driver 7 drives the external workpiece 9 to rotate. When the rotation directions of the external cutter 11 and the external workpiece 9 are opposite, the relative rotation speed of the external cutter and the external workpiece is very high, so that the grinding precision can be greatly improved, and the rotation speeds of the first driving part 1 and the second driving part 7 are not required to be very high. Preferably, the first driving member 1 and the second driving member 7 are both brushless DC motors with rated rotation speed of 2000-4000 rpm.

In the present embodiment, it is preferred that,

the tool fixing component comprises a first crank which is rotatably arranged on the second movable seat 13. One end of the first crank is in transmission connection with the first driving member 1, and the other end is provided with a tool holder 12. The workpiece fixing assembly comprises a second crank which is rotatably arranged on the angle adjusting piece. One end of the second crank is connected with the second driving piece 7 in a transmission way, and the other end is provided with a workpiece clamping piece 8. In particular, the tool holder 12 and the work holder 8 are both collets. The tool holding assembly and the workpiece holding assembly each include lock nuts for holding the outer tool 11 and the outer workpiece 9 on the collet. The collet is used for fixing the external cutter 11 and the external workpiece 9, and the cutter and the workpiece can be accurately positioned on the first crank and the second crank (namely the first movable seat 2 and the hinge seat 6) through the positioning conical surfaces.

In addition, the present embodiment lifts the hinge base 6 manually through the handle 15. In another embodiment, the hinge base 6 can be pressed against the hinge base 6 through a screw structure to drive the hinge base 6 to rotate.

On the basis of the above embodiment, in an optional embodiment of the present invention, the first movable seat 2 and the second movable seat 13 are respectively disposed on the base 3 and the first movable seat 2 in a manner of being movable along a predetermined direction through a guide rail structure. So that the first movable seat 2 moves in the horizontal direction and the second movable seat 13 moves in the vertical direction. The first movable seat 2 and the base 3, and the second movable seat 13 and the first movable seat 2 are driven by a screw rod structure. Specifically, the tool holding assembly further comprises a knob for driving the screw structure. In other embodiments, a handwheel or other conventional structure may be used to drive the screw for rotation. The guide rail structure can be used for well ensuring the moving directions of the first movable seat 2 and the second movable seat 13 so as to ensure the processing precision and avoid the problems of eccentricity and the like. The first movable seat 2 and the second movable seat 13 are driven to move through the screw rod structure, so that the driving can be smooth, labor can be saved, and the screw rod structure has good practical significance.

On the basis of the above embodiment, in an optional embodiment of the present invention, the cutter fixing assembly further includes at least two stoppers 14 respectively disposed on the base 3. At least two limiting blocks 14 are respectively disposed on two sides of the first movable seat 2 to limit the moving range of the first movable seat 2. Specifically, two limit blocks 14 are arranged on the base 3 to limit the moving range of the first movable seat 2, so that the knife can be prevented from being collided, and the sliding block on the first movable seat 2 can be prevented from being separated from the guide rail on the base 3. Preferably, stopper 14 is a bumper.

It will be appreciated that in this embodiment, the first movable seat is provided with an outwardly extending protrusion which is located between the pair of stoppers 14 to limit the range of motion of the first movable seat 2. In another embodiment, the two limit blocks 14 may be directly disposed at two ends of the first movable seat 2, and can also have a limiting effect.

On the basis of the above embodiment, in an optional embodiment of the present invention, the cutter fixing assembly further includes two dial indicators disposed on the base 3. The two dial indicators are respectively used for detecting the feeding of the cutter fixing assembly in the horizontal direction and the feeding of the cutter fixing assembly in the vertical direction. Specifically, when the first movable seat moves towards the workpiece fixing assembly, the cutter fixing assembly can be abutted to one dial indicator. When the second movable seat moves upwards, the cutter fixing assembly can be abutted to the other dial indicator. Can be very clear audio-visual seeing through two amesdials, in the course of working, the displacement of cutter to accurate control machining volume has the uniformity in order to guarantee that the work piece after the processing has, overcomes the bad of manual repairment, guarantees the stability and the operation requirement that shaping accessory size was repaiied, prolongs the life of accessory.

When it is desired to machine a straight hole in the outer workpiece 9, the gauge block is removed and the workpiece holding assembly is brought into a horizontal position, as shown in fig. 4. And the tool is extended into the hole in the outer work piece 9 to machine the hole wall.

When it is desired to machine a tapered bore in the outer workpiece 9, the block gauge is inserted, the workpiece holding assembly is adjusted to the appropriate angle, the locking member is locked, and the tool is inserted into the hollow of the outer workpiece 9 to machine the bore wall, as shown in fig. 5.

As shown in fig. 6 and 7, when it is necessary to machine the chamfer of the outer workpiece 9, the chamfer of the workpiece is machined by abutting the outer workpiece 9 against the side surface or the end surface of the tool.

In the second embodiment, the first embodiment of the method,

as shown in fig. 8 to 10, the present embodiment provides a machining jig. This adds clamping apparatus can be applied to the processingequipment in embodiment 1 to guarantee the precision of hole processing under the hole that outside work piece 9 required to process between the work piece appearance disalignment.

As shown in fig. 8, in the present embodiment, the machining jig includes a connection assembly, a fixing assembly, and an adjustment assembly.

The connecting assembly includes a clamped portion 22 to be fixed to an external device, and a mounting portion 21 provided coaxially with the clamped portion 22. The mounting portion 21 is provided with a fixing groove 18.

The fixing member includes a switching base 16 detachably slidably disposed on the fixing groove 18 in a movable manner along a predetermined direction. The conversion socket 16 is provided with a contour groove 19 for fixing the outer work piece 9.

The adjustment assembly comprises an adjustment member 25 arranged at the side wall of the contour groove 19. The adjusting member 25 is used for adjusting the position of the converting base 16 in a predetermined direction so that the axis of the workpiece to be processed coincides with the axis of the connecting assembly.

Specifically, in this embodiment, the outer shape of the connecting assembly is a rotationally symmetric geometric body. The outer workpiece 9 is well fixed on the conversion seat 16 by providing the conversion seat 16 with a contour groove 19 having the same shape as the outer workpiece 9. The switch base 16 is slidably disposed on the connection member in a predetermined direction. The conversion seat 16 is adjusted to a proper position through the adjusting piece 25 according to the eccentric condition of the workpiece, so that the hole to be processed on the workpiece is coaxial with the connecting component.

The eccentric adjustment of the adjusting part 25 realizes the precise processing of the external workpiece 9 and the stability of the processing size. Compact structure, convenient operation, eccentric adjustment anchor clamps of machine tooling guarantee effectively by processing accessory and mechanical concentricity, avoid by the processing of processing accessory bad, realize accurate processing. Meanwhile, the stability of the size of the accessory can be ensured, so that the accessory has better interchangeability. The machining tool is suitable for machined accessories with various non-circular shapes, and is wide in application range and high in machining precision.

It should be noted that, in the present embodiment, the number of the adjusting members 25 is two, the total thickness of the two adjusting members 25 and the fixing assembly is not changed, and the thickness difference between the two adjusting members 25 is the same as the eccentric amount of the outer workpiece 9. The thickness difference is changed by synchronously replacing the thicknesses of the two adjusting pieces 25, so that the outer workpieces 9 with different eccentricity are adapted. By using the two adjusting parts 25, the fixing component, the connecting component and the adjusting component can be ensured to be in surface contact, the overall stability is ensured, and the adjusting device has good practical significance.

In other embodiments, the number of the adjusting members 25 may be one, and the same effect can be achieved by firmly abutting the fixing member on the adjusting members through the jackscrews.

In this embodiment the outer piece 9 is cylindrical and the contour groove 19 is also cylindrical. In other embodiments, the shape of the contour groove 19 may be set according to the shape of the outer workpiece 9, and the present invention is not limited thereto.

On the basis of the above embodiment, in an alternative embodiment of the present invention, the fixing groove 18 has a pair of sliding surfaces 20 and a pair of abutting surfaces 17 arranged in parallel. The pair of sliding surfaces 20 are slidably coupled to the fixing members, respectively, so that the fixing members can slide in the fixing grooves 18 in a direction parallel to the sliding surfaces 20. The adjusting member 25 abuts against the abutting surface 17 for adjusting the position of the fixing member in the fixing groove 18. Specifically, in the present embodiment, the shape of the conversion seat 16 is optionally an octagonal prism. The fixing groove 18 has an octagonal prism shape. A pair of side distances L1 of the fixing groove 18 is greater than a pair of side distances L2 of the switching seat 16. The distance L3 between the other pair of sides of the fixing groove 18 is equal to the distance L4 between the other pair of sides of the converting base 16. So that the switching seat 16 can move in a predetermined direction in the fixing groove 18. The sliding surface 20 is perpendicular to the abutment surface 17. The adjustment member 25 is a washer. The two pairs of opposite sides vertically configured in the octagon are respectively arranged to be in sliding fit with the conversion seat 16 and in abutting fit with the conversion seat 16, and the contact surfaces are both flat surfaces, so that the pressure intensity can be reduced under the clamping condition, the service life of the machining clamp is ensured, and the precision of the machining clamp is ensured. Has good practical significance.

It is understood that in other embodiments, the fixing groove 18 may be rectangular, the converting seat 16 may be cylindrical, and the same effect can be obtained, and the present invention is not limited to the shapes of the fixing groove 18 and the converting seat 16.

On the basis of the above embodiment, in an optional embodiment of the present invention, the abutting surface 17 is provided with a first accommodating groove 30 for accommodating the adjusting member 25. The surface of the conversion seat 16 corresponding to the abutting surface 17 is provided with a second accommodating groove 31 for accommodating the adjusting piece 25. The first receiving groove 30 and the second receiving groove 31 are oppositely disposed to limit the non-axial sliding of the adjusting member 25. Specifically, by disposing the adjusting member 25 through the first receiving groove 30 and the second receiving groove 31, the position of the adjusting member 25 can be ensured, and the adjusting member 25 is prevented from sliding in the fixing groove 18. In other embodiments, the recess 32 may be provided only on the abutting surface 17 or on the converting seat 16, and the second receiving groove 31 and the first receiving groove 30 do not need to be provided on both surfaces.

On the basis of the above embodiment, in an optional embodiment of the present invention, the connecting assembly includes a connecting seat 23 provided with a clamped portion 22 and an installation portion 21, and a connecting member 24 disposed on the connecting seat 23 and provided with a fixing groove 18. The connector 24 is detachably disposed on the mounting portion 21, and the fixing groove 18 is coaxial with the held portion 22. In particular, the connection assembly consists of a connection piece 24 and a connection seat 23, so that the connection piece 24 can be conveniently replaced when worn, to reduce costs. On the other hand, when the fixing component is clamped in the fixing groove 18 and cannot be taken out, the connecting piece 24 can be detached from the punch connecting seat 23, so that the fixing component is convenient to detach, and the fixing device has good practical significance.

On the basis of the above embodiment, in an optional embodiment of the present invention, the connecting member 24 is provided with a first threaded through hole 29 located at a side of the fixing groove 18. The connection assembly further comprises a first locking member arranged in the first threaded through hole 29. The first locking member is threadedly coupled to the first threaded through hole 29 to fixedly engage the switching seat 16 fitted in the fixing groove 18. The conversion seat 16 is provided with a second threaded through hole 28 located at the side of the cam groove 19. The fixing assembly further includes a second locking member disposed in the second threaded through hole 28. The second locking member is threadedly coupled to the second threaded through hole 28 for fixing the outer workpiece 9 fitted in the contour groove 19. Specifically, the sidewall of the fixing groove 18 is provided with a first through hole 26 corresponding to a second threaded through hole 28. The first through hole 26 is exposed with the adjustment surface of the second locking member.

In this embodiment, the first locking member and the second locking member are set screws. A first threaded hole is provided on one of the pair of abutment surfaces 17, and a first through hole 26 is provided on the other of the pair of abutment surfaces 17. To enable adjustment of the first and second locking members when the securing assembly is disposed within the securing slot 18. Preferably, the first and second locking members are coaxial and the first through hole 26 and the first threaded through hole 29 are coaxially arranged.

On the basis of the above embodiment, in an optional embodiment of the present invention, the gasket has a second through hole 27 adapted to the first threaded through hole 29 and the second threaded through hole 28. Preferably, the number of the first through holes 26 is two, and the first through holes are arranged on the gasket in a central symmetry manner. It should be noted that, in the present embodiment, the spacer has a larger size and covers the first through hole 26. A second through hole 27 is thus provided in the spacer and the second through hole 27 is arranged coaxially with the first through hole 26 so that the adjustment surface of the second locking member is exposed. So that the second locking member can be adjusted in the assembled state. And two first through holes 26 are symmetrically arranged on the gasket, so that the gasket does not need to be distinguished in direction in the use process, and the gasket has good practical significance.

On the basis of the above embodiment, in an optional embodiment of the present invention, the side surfaces of the fixing groove 18 and the contour groove 19 are provided with the first groove 32 disposed along the axial direction. Specifically, the first groove 32 is provided on the side of the contour groove 19, so that when the external workpiece 9 is mounted to the contour groove 19, gas inside the contour groove 19 can be discharged, so that the mounting of the workpiece is smoother. The first groove 32 is formed in the side of the fixing groove 18, so that the conversion seat 16 can be conveniently clamped.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A machining device for a revolving body workpiece is characterized by comprising

A base (3);

a workpiece fixing component which can be placed on the base (3) in a rotating way along a preset direction; the workpiece fixing component is used for fixing an external workpiece (9);

the cutter fixing assembly comprises a first movable seat (2) which is arranged on the base (3) in a movable mode along a preset direction, a second movable seat (13) which is arranged on the first movable seat (2) in a movable mode along the preset direction, a cutter clamping piece (12) which is rotatably arranged on the second movable seat (13), and a first driving piece (1) which is used for driving the cutter clamping piece (12) to rotate; the tool holder (12) is used for fixing an external tool (11);

the first driving piece (1) is electrically connected with the control assembly;

the workpiece fixing assembly can rotate along a preset direction to adjust the angle of the outer workpiece (9); the second movable seat is movable along a predetermined direction to bring the outer cutter (11) against the outer workpiece (9); the first movable seat is movable along a predetermined direction to cause the external tool (11) to act on the external workpiece (9).

2. A machining device for a rotary body workpiece according to claim 1, wherein said workpiece fixing member comprises:

a support base (4) disposed on the base (3);

a hinge base (6) which is rotatably arranged on the support base (4) in a predetermined direction;

a workpiece holder (8) arranged on the hinged seat (6) for fixing the outer workpiece (9).

3. A machining device for a revolving body workpiece according to claim 2, characterized in that the workpiece fixing assembly further comprises a locking member for fixing the hinge seat (6), and an angle adjusting member abutting between the support seat (4) and the hinge seat (6) for adjusting the angle of the hinge seat (6) relative to the support seat (4); the bottom of the hinge seat (6) is provided with a circular arc-shaped bulge (5); the angle adjusting piece is abutted to the circular arc-shaped bulge (5);

the workpiece clamping piece (8) is rotatably arranged on the angle adjusting piece;

the workpiece holding assembly further comprises: a second driving piece (7) used for driving the workpiece clamping piece (8) to rotate; the second driving piece (7) is electrically connected with the control component.

4. A machining device for a rotary body workpiece as claimed in claim 3, wherein said workpiece holding means further comprises a crank rotatably provided to said angle adjusting member; one end of the crank is in transmission connection with the second driving piece (7); the workpiece clamping piece (8) is arranged at the other end of the crank;

the workpiece clamping piece (8) is a collet; the workpiece fixing assembly further comprises a lock nut for fixing an outer workpiece (9) to the collet;

the workpiece fixing assembly further comprises a handle (15) configured on the hinge base (6), and the handle (15) is used for driving the hinge base (6) to rotate.

5. A machining device of a revolved body workpiece according to claim 1, characterized in that said tool holder (12) is a collet; the tool holding assembly further comprises a lock nut for holding an external tool (11) on the collet;

the first movable seat (2) and the second movable seat (13) are respectively arranged on the base (3) and the first movable seat (2) in a manner of being movable along a preset direction through a guide rail structure; so that the first movable seat (2) moves along the horizontal direction, and the second movable seat (13) moves along the vertical direction;

the first movable seat (2) and the base (3) as well as the second movable seat (13) and the first movable seat (2) are driven by a screw rod structure;

the cutter fixing assembly further comprises a knob for driving the screw rod structure.

6. The machining device for a revolving body workpiece according to claim 5, characterized in that the tool holding assembly further comprises two dial indicators arranged on the base (3); the two dial indicators are respectively used for detecting the feeding of the cutter fixing assembly in the horizontal direction and the feeding of the cutter fixing assembly in the vertical direction.

7. A machining device for a revolving body workpiece according to claim 1, characterized in that said tool holding assembly further comprises at least two stoppers (14) respectively disposed on said base (3); at least two limiting blocks (14) are respectively arranged on two sides of the first movable seat (2) and used for limiting the moving range of the first movable seat (2).

8. A machining device of a revolving body workpiece according to any one of claims 1 to 7, characterized in that it further comprises a machining jig detachably disposed on said workpiece holding member and for holding an external workpiece (9); the machining jig includes:

the connecting assembly comprises a clamped part (22) for being fixed on external equipment and a mounting part (21) which is coaxial with the clamped part (22); the mounting part (21) is provided with a fixing groove (18);

a fixing assembly including a switching seat (16) detachably slidably disposed on the fixing groove (18) in a movable manner along a predetermined direction; the conversion seat (16) is provided with a profile groove (19) for fixing an external workpiece (9);

an adjusting component which comprises an adjusting piece (25) arranged on the side wall of the contour groove (19); the adjusting piece (25) is used for adjusting the position of the conversion seat (16) in the preset direction, so that the axis of the workpiece needing to be processed is overlapped with the axis of the connecting component.

9. A machining device of a revolving body workpiece according to claim 8, characterized in that the number of said adjusting members (25) is two, the total thickness of the two adjusting members (25) and the fixing assembly is constant, the thickness difference of the two adjusting members (25) is the same as the eccentricity of the outer workpiece (9);

the fixing groove (18) is provided with a pair of sliding surfaces (20) and a pair of abutting surfaces (17) which are arranged in parallel; the sliding surfaces (20) are respectively combined with the fixing components in a sliding way, so that the fixing components can slide in the fixing grooves (18) in a direction parallel to the sliding surfaces (20); the adjusting piece (25) is abutted against the abutting surface (17) and used for adjusting the position of the fixing component in the fixing groove (18);

the sliding surface (20) is perpendicular to the abutting surface (17); the adjusting piece (25) is a gasket;

the abutting surface (17) is provided with a first accommodating groove (30) for accommodating the adjusting piece (25); a second accommodating groove (31) for accommodating the adjusting piece (25) is formed in the surface of the conversion seat (16) corresponding to the abutting surface (17); the first containing groove (30) and the second containing groove (31) are oppositely arranged and used for limiting the non-axial sliding of the adjusting piece (25).

10. The machining device for a rotary body workpiece according to claim 8,

the connecting assembly comprises a connecting seat (23) provided with the clamped part (22) and the mounting part (21), and a connecting piece (24) configured on the connecting seat (23) and provided with the fixing groove (18); the connecting piece (24) is detachably arranged on the mounting part (21), and the fixing groove (18) is coaxial with the clamped part (22);

the connecting piece (24) is provided with a first threaded through hole (29) positioned on the side surface of the fixing groove (18);

the connection assembly further comprises a first locking member arranged in the first threaded through hole (29); the first locking piece is in threaded connection with the first threaded through hole (29) and is used for fixedly embedding the conversion seat (16) in the fixing groove (18);

the conversion seat (16) is provided with a second threaded through hole (28) positioned on the side surface of the profile groove (19);

the fixing component also comprises a second locking piece configured on the second threaded through hole (28); the second locking piece is in threaded connection with the second threaded through hole (28) and is used for fixing an external workpiece (9) embedded in the profiling groove (19);

a first through hole (26) corresponding to the second threaded through hole (28) is formed in the side wall of the fixing groove (18); the first through hole (26) is used for exposing the adjusting surface of the second locking piece;

the first through hole (26) and the first threaded through hole (29) are coaxially arranged; the adjusting piece (25) is a gasket which is provided with a second through hole (27) matched with the first threaded through hole (29) and the second threaded through hole (28);

the number of the first through holes (26) is two, and the first through holes are arranged on the gasket in a centrosymmetric manner;

the shape of the conversion seat (16) is octagonal prism; the fixing groove (18) is in an octagonal prism shape;

a pair of side distances L1 of the fixing groove (18) is greater than a pair of side distances L2 of the conversion seat (16); the distance L3 of the other pair of edges of the fixing groove (18) is equal to the distance L4 of the other pair of edges of the conversion seat (16); so that the switching seat (16) can move in the fixing groove (18) along a preset direction;

and first grooves (32) arranged along the axial direction are arranged on the side surfaces of the fixing groove (18) and the profile groove (19).

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