CN110509093A - A radial runout adjustment device and a knife handle - Google Patents

Abstract

A radial runout adjustment device, characterized in that it includes: an adjustment ring, which has a through hole passing through the axial direction, an adjustment hole formed inward from a side wall of the adjustment ring, and an adjustment hole formed from one end of the adjustment ring. An installation hole extending inward and communicating with the adjustment hole; and an adjustment member; the adjustment member includes: an adjustment screw, installed in the adjustment hole; and a tightening member, installed in the installation hole; when the adjustment When the screw rotates and advances/retreats, the adjusting screw acts on the tightening member to advance/retreat in the direction outside the mounting hole. By turning the adjusting screw, the tightening member pushes against the supporting surface of the tool handle body, so that the supporting surface generates a reverse force on the adjusting ring, and the reaction force is converted into a fine-tuning force on the tool handle main body to drive The head of the main body is deformed, so as to achieve the effect of adjustable precision.

Description

A radial runout adjustment device and a knife handle

technical field

The invention relates to the technology related to the tool holder, in particular to a radial runout adjusting device and the tool holder.

Background technique

For a machine tool that has been used for a long time, the runout accuracy of the spindle system will decrease due to wear after long-term use, making it difficult for the machining accuracy to meet the tolerance requirements; and the tool handle will be damaged after long-term use with the tool. The phenomenon that the tool handle will have a run-out error in the later working process, but there is no mechanism on the tool handle to adjust the run-out error, resulting in the tool handle being scrapped due to the working accuracy. Compared with the cost of replacing the spindle or repairing the spindle Large and time-consuming, in view of this, the precision adjustable tool holder is an inevitable trend.

Contents of the invention

The present invention proposes a radial runout adjustment device and a knife handle to solve the deficiencies of the related prior art and to deal with the problem of radial runout. By turning the adjusting screw, the clamping member is pressed against the support surface of the knife handle main body, thereby The supporting surface produces a reverse force on the adjustment ring, and by transferring this reaction force into a fine-tuning force on the main body of the handle, the head of the main body is driven to deform, thereby achieving the effect of adjustable precision.

In order to achieve the above objectives, the following technical means are proposed:

A radial runout adjustment device is characterized in that it comprises:

An adjustment ring, which has a through hole penetrating in the axial direction, an adjustment hole formed inward from a side wall of the adjustment ring, and a mounting hole extending inward from one end surface of the adjustment ring and communicating with the adjustment hole;

and adjustment parts;

The adjustments include:

An adjusting screw is installed in the adjusting hole;

and a jacking piece installed in the mounting hole;

When the adjusting screw is rotated to advance/retreat, the adjusting screw acts on the tightening member to advance/retreat in a direction outside the mounting hole.

Further, the installation hole is arranged in the axial direction; the adjustment hole is arranged in a direction perpendicular to the plane where the axis of the installation hole and the axis of the adjustment ring are located.

Further, the adjusting screw has a helical groove on its shank; the tightening member includes a steel ball, the steel ball is installed in the mounting hole and cooperates with the helical groove; the depth of the helical groove is set to The gradual change according to a predetermined law means that when the adjusting screw is rotated forward/backward, the part of the steel ball fitting into the helical groove becomes less/more.

Furthermore, the clamping member also includes a gasket that is attached to the outside of the steel ball.

Furthermore, the adjustment ring has an operation chamber recessed inward from its side wall to provide an operation space for turning the adjustment screw; the opening of the adjustment hole is located in the operation chamber.

Further, the adjustment ring has a balance hole, and the balance hole is arranged at a position opposite to the operation chamber to balance the center of gravity of the adjustment ring with the axis of the adjustment ring.

Furthermore, the device further includes a cover plate.

When assembled and used: the adjusting ring is installed on the main body of the knife handle through the through hole, and the end surface of the adjusting ring with the installation hole is attached to the supporting surface of the main body of the knife handle;

The cover plate is set on the handle body and attached to the other end surface of the adjustment ring to convert the reaction force into a deformation force on the handle body to achieve radial adjustment; wherein:

The reaction force refers to the force generated to the adjustment ring when the supporting surface is pushed and squeezed by the tightening member and transmitted to the reaction force surface through the adjustment ring; wherein:

The reaction force bearing surface refers to the side where the cover plate is bonded to the other end surface of the adjustment ring;

The pushing and squeezing of the pushing member is realized by turning and pushing the adjusting screw.

Further, the adjustment ring has a first scale line and a second scale line;

The first scale line is arranged on the side wall of the adjustment ring in the axial direction, and is located on the plane where the axis of the installation hole and the axis of the adjustment ring are located;

The second scale line is set at the opening of the adjustment hole, perpendicular to the first scale line and parallel to the end face of the adjustment ring, and the extension line of the second scale line passes through the adjustment hole center of circle.

Further, the adjustment ring has a pair of assembly holes formed inwardly from the side wall of the adjustment ring;

During assembly, the adjustment ring is fixed to the knife handle main body by putting a spacer into the assembly hole and screwing in a compression anti-rotation screw.

A knife handle is characterized in that it comprises:

handle body; and

A radial runout adjustment device provided on the main body of the handle;

The handle main body is provided with a deformation groove, and the deformation groove is located at a section where the handle main body is in contact with the adjustment ring of the radial runout adjustment device.

The beneficial effects of the present invention are:

1. By turning the adjusting screw, the tightening member pushes against the supporting surface of the main body of the knife handle, so that the supporting surface produces a reverse force on the adjustment ring, and the reaction force is transferred into a fine-tuning force on the main body of the knife handle , to drive the deformation of the head of the main body, so as to achieve the effect of adjustable precision;

2. The structural design of the adjustment ring is ingenious, with adjustment holes and installation holes, which are used to cooperate with the installation of adjustment parts, and a balance hole is also provided at the same time, so that the assembly of the adjustment ring will not affect the offset of the center of gravity, and avoid affecting the accuracy after assembly; The generation of the force in the adjustment is realized by the screw with the spiral groove and the depth of the spiral groove gradually changing, the steel ball in contact with the friction and the gasket attached to the steel ball, and the direction of the force is well realized, and it can It effectively acts on the support surface, so that the support surface feeds back the reaction force, which is convenient to operate and conducive to the control of adjustment accuracy.

3. The transmission of the adjustment force is: the adjustment screw, the steering is the steel ball to the gasket, the gasket to the support surface, the reaction force of the support surface to the adjustment ring, the adjustment ring is transmitted to the cover plate, and the cover plate acts on the main body of the handle. Deformation groove, and the deformation groove is wrapped by the adjustment ring, the deformation groove provides a deformation/tilt space for the adjustment of the main body of the handle. This adjustment method effectively ensures the adjustment effectiveness and adjustment accuracy.

Description of drawings

Fig. 1 is a structure diagram of the adjusting ring of the present invention.

Fig. 2 is a structural diagram of the adjusting member of the present invention.

Fig. 3 is a first assembly schematic diagram of the embodiment of the present invention.

Fig. 4 is the second assembly diagram of the embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As a kind of embodiment of the present invention such as shown in Fig. 1～4:

A radial runout adjustment device includes an adjustment ring and an adjustment piece.

It also includes a component that receives and converts the reaction force into a radial fine-tuning force for the main body of the handle.

specific:

As shown in Figure 1, the adjusting ring 1 has a through hole 10 penetrating in the axial direction, an adjusting hole 13 formed inwardly from one side wall of the adjusting ring 1, and an adjusting hole 13 extending inwardly from one end of the adjusting ring 1 and a mounting hole 14 communicating with the regulating hole 13 .

In order to achieve a better and more precise adjustment effect, the installation holes 14 are arranged along the axial direction. The adjustment hole 13 is arranged along a direction perpendicular to the plane where the axis of the installation hole 14 and the axis of the adjustment ring 1 are located.

For the convenience of operation, the adjustment ring 1 has an operation cavity 12 formed inwardly from its side wall to provide an operation space for turning the adjustment screw 2; the opening of the adjustment hole 13 is located in the Operating chamber 12.

In order to avoid the offset of the overall center of gravity of the knife handle main body 4 after the installation of the adjustment ring 1, the adjustment ring 1 has a balance hole 15, and the balance hole 15 is arranged at a position opposite to the operation chamber 12 to balance all the handles. The center of gravity of the adjustment ring 1 is on the axis of the adjustment ring 1 .

The adjustment ring 1 has a first scale line 17 and a second scale line 16; the first scale line 17 is arranged on the side wall of the adjustment ring 1 in the axial direction and is located in the installation hole 14 axis and the plane where the axis of the adjustment ring 1 is located; the second scale line 16 is located at the opening of the adjustment hole 13, perpendicular to the first scale line 17, and parallel to the end surface of the adjustment ring 1, The extension line of the second scale line 16 passes through the center of the adjustment hole 13 . The position and direction settings of the two scale marks provide an initialization basis for subsequent adjustments.

The adjustment ring 1 has a pair of assembly holes 11 formed inwardly from the side wall of the adjustment ring 1 .

specific:

As shown in FIG. 2 , the adjustment member includes: an adjustment screw 2 installed in the adjustment hole 13 , and a tightening member installed in the installation hole 14 .

When the adjusting screw 2 is rotated to advance/retreat, the adjusting screw 2 acts on the tightening member to advance/retreat in the direction outside the installation hole 14 .

Specifically, the adjustment screw 2 has a helical groove 21 on its shank.

Specifically, the tightening member includes a steel ball 31 and a washer 32 disposed on the outside of the steel ball 31 . The steel ball 31 is installed in the mounting hole 14 and cooperates with the spiral groove 21; the depth of the spiral groove 21 is set to gradually change according to a predetermined law, and the predetermined law gradual change means that when the adjusting screw 2 rotates When advancing/backwarding, the part where the steel ball 31 fits into the spiral groove 21 becomes less/more. The washer 32 is used to better act the force of the steel ball 31 on the supporting surface 42 of the handle main body 4 .

This predetermined law gradually changes, for example, as shown in FIG. 2 , the depth of the spiral groove 21 close to the steel ball 31 is set to 0.7 mm, and the depth of the spiral groove 21 is set to 0.8 mm at the highest point under the current viewing angle.

specific:

As shown in FIG. 4 , the component that receives the converted reaction force into the radial fine-tuning force of the handle body is the cover plate 5 .

When assembled and used: the adjusting ring 1 is mounted on the handle main body 4 through the through hole 10, and the end face of the adjusting ring 1 provided with the installation hole 14 fits with the supporting surface 42 of the handle main body 4; The cover plate 5 is sleeved on the handle main body 4 and attached to the other end surface of the adjustment ring 1 to convert the reaction force into a deformation force on the handle main body 4 to realize radial adjustment; wherein : The reaction force refers to the force generated to the adjustment ring 1 when the supporting surface 42 is pushed and squeezed by the pressing member and transmitted to the reaction force bearing surface 52 via the adjustment ring 1; Wherein: the reaction force bearing surface 52 refers to the side where the cover plate 5 and the other end surface of the adjustment ring 1 fit; accomplish.

specific:

As shown in Fig. 3 and Fig. 4, it is an implementation state diagram of this embodiment when it is assembled and used.

The tightening part is mounted on the adjusting ring 1, the adjusting ring 1 is installed on the handle main body 4 through the through hole 10, and the end face of the adjusting ring 1 provided with the installation hole 14 is attached to the support surface 42 of the handle main body 4 combine.

The adjustment ring 1 is fixed to the handle main body 4 by putting a spacer 19 into the assembly hole 11 and screwing in a compression anti-rotation screw 18 .

The cover plate 5 is sleeved on the handle body 4 and attached to the other end surface of the adjusting ring 1 .

The side of the cover plate 5 attached to the other end surface of the adjustment ring 1 is the reaction force bearing surface 52 .

The cover plate 5 is fixed to the handle main body 4 by the cover plate fixing bolts 51 .

The adjustment screw 2 is provided with a scale line for determining the initial position and adjustment direction.

When implementing it:

1. After assembling the tool, detect the runout to obtain the maximum position of the runout data, and then turn the first scale line 17 on the adjustment ring 1 to the maximum position of the runout data.

2. Adjust the scale line on the adjustment screw 2 to align with the second scale line 16 of the adjustment ring 1 (clearly know the adjustment direction and size), and then start to turn the adjustment screw 2 until the beating is adjusted to a maximum of 0.005um~0.01 mm.

The specific adjustment principle and the force transmission relationship are as follows:

Turn the adjusting screw 2 by the adjusting rod 6, the spiral groove 21 is in frictional contact with the steel ball 31, and under the action of the spiral groove 21 whose depth has a predetermined regular gradient, the size of the part of the steel ball 31 located in the spiral groove 21 changes and is exposed outside the spiral groove 21 The size of the gasket 32 is changed to form a force on the gasket 32, and the force is transmitted to the gasket 32 through the steel ball 31, so that the gasket 32 is pushed to the supporting surface 42 and squeezed, forming a force on the supporting surface 42 of the tightening member ; Support surface 42 is subjected to this action force, produces reaction force to adjustment ring 1, and this reaction force is transmitted to the reaction force bearing surface 52 of cover plate 5 through adjustment ring 1; Thus cover plate 5 is subjected to a reaction force, drives the handle The head/front part/front end of the main body 4 is deformed, so as to achieve the effect of adjustable precision.

As shown in Figure 4, it is one of the specific embodiments of a knife handle provided by the present invention:

A handle comprising:

handle body 1;

The adjustment ring 1 installed on the handle main body 4 through the through hole 10, the end face of the adjustment ring 1 provided with the installation hole 14 fits with the support surface 42 of the handle main body 4, the specific structure of the adjustment ring 1 is shown in Figure 1;

The adjusting member arranged on the adjusting ring 1 and used in conjunction with the adjusting ring 1, the structure of the specific adjusting member is shown in Figure 2;

The cover plate 5 is fitted on the handle main body 4 and attached to the other end surface of the adjustment ring 1 .

The handle main body 4 is provided with a deformation groove 41, and the deformation groove 41 is located at the section where the handle main body 4 is in contact with the adjustment ring 1 of the radial runout adjustment device

Specifically, the assembly method of the adjustment ring 1 , the adjustment member and the cover plate 5 is as described in the aforementioned radial runout adjustment device.

Due to the existence of the deformation groove 41, the precision adjustment of the handle main body 4 can be realized in response to the adjustment force.

With the tool handle formed by assembling in this embodiment, when the runout is detected and the maximum position of the runout data is obtained, the first scale line 17 on the adjustment ring 1 is rotated to the maximum position of the runout data; the adjustment screw 2 is scaled Adjust the line to align with the second scale line 16 of the adjustment ring 1 (clearly know the adjustment direction and size), and then start to turn the adjustment screw 2 until the beating is adjusted to a maximum of 0.005um~0.01mm.

Claims (10)

1. A radial runout adjustment device, characterized in that it comprises: An adjustment ring (1), which has a through hole (10) penetrating in the axial direction, an adjustment hole (13) formed inward from a side wall of the adjustment ring (1), and an adjustment hole (13) formed from the side wall of the adjustment ring (1) a mounting hole (14) with one end extending inward and communicating with the adjustment hole (13); and An adjustment piece, the adjustment piece includes: An adjusting screw (2), installed in said adjusting hole (13); and The jacking piece is installed in the mounting hole (14); When the adjusting screw (2) is rotated to advance/retreat, the adjusting screw (2) acts on the tightening member to advance/retreat in a direction outside the mounting hole (14). 2. The radial runout adjustment device according to claim 1, characterized in that: The mounting holes (14) are arranged along the axial direction; The adjustment hole (13) is arranged along a direction perpendicular to the plane where the axis of the installation hole (14) and the axis of the adjustment ring (1) are located. 3. The radial runout adjustment device according to claim 1, characterized in that: The adjusting screw (2) has a helical groove (21) on its shank, The tightening member includes a steel ball (31), the steel ball (31) is installed in the installation hole (14) and cooperates with the spiral groove (21); The depth of the helical groove (21) is set to gradually change according to a predetermined law. The predetermined law of gradual change means that when the adjusting screw (2) is rotated to advance/backward, the steel ball (31) fits into the helical There are fewer/more slots (21). 4 . The radial runout adjustment device according to claim 3 , characterized in that, the clamping member further comprises a washer ( 32 ) fitted on the outside of the steel ball ( 31 ). 5. The radial runout adjusting device according to claim 1, characterized in that: The adjusting ring (1) has an operating cavity (12) formed by inwardly recessing from its side wall to provide an operating space for turning the adjusting screw (2); The opening of the adjustment hole (13) is located in the operation chamber (12). 6. The radial runout adjusting device according to claim 5, characterized in that: The adjustment ring (1) has a balance hole (15), and the balance hole (15) is arranged at a position opposite to the operation chamber (12) to balance the center of gravity of the adjustment ring (1) on the axis of the adjustment ring (1) described above. 7. The radial runout adjusting device according to claim 1, characterized in that, Also includes cover plate (5); when assembled for use: The adjustment ring (1) is mounted on the handle main body (4) through the through hole (10), and the end face of the adjustment ring (1) provided with the installation hole (14) is connected with the end face of the handle main body (4). The supporting surface (42) fits; The cover plate (5) is set on the handle main body (4) and attached to the other end surface of the adjustment ring (1) to convert the reaction force into deformation of the handle main body (4) force to achieve radial adjustment; where: The reaction force means that the support surface (42) is generated to the adjustment ring (1) when the support surface (42) is pushed and squeezed by the tightening member, and is transmitted to the reaction force bearing surface through the adjustment ring (1) (52) force; where: The reaction force surface (52) refers to the side where the cover plate (5) is attached to the other end surface of the adjustment ring (1); Pushing and squeezing of the pushing member is realized by turning and pushing the adjusting screw (2). 8. The radial runout adjustment device according to claim 1, characterized in that: The adjustment ring (1) has a first scale line (17) and a second scale line (16); The first scale line (17) is arranged axially on the side wall of the adjustment ring (1), and is located on the plane where the axis of the installation hole (14) and the axis of the adjustment ring (1) are located; The second scale line (16) is set at the opening of the adjustment hole (13), perpendicular to the first scale line (17), and parallel to the end face of the adjustment ring (1). The extension line of the second scale line (16) passes through the center of the circle of the adjustment hole (13). 9. The radial runout adjustment device according to claim 1, characterized in that: The adjustment ring (1) has a pair of assembly holes (11) formed inwardly from the side wall of the adjustment ring (1); When assembling, the adjustment ring (1) is fixed to the handle main body (4) by putting a spacer (19) into the assembly hole (11) and screwing in a compression anti-rotation screw (18). 10. A knife handle, characterized in that it comprises: handle body (4); and The radial runout adjustment device according to any one of claims 1 to 9, which is arranged on the handle body (4); The handle main body (4) is provided with a deformation groove (41), and the deformation groove (41) is located at the section where the handle main body (4) is in contact with the adjustment ring (1) of the radial runout adjustment device .