CN115338772B

CN115338772B - Reciprocating honing tool

Info

Publication number: CN115338772B
Application number: CN202210890892.1A
Authority: CN
Inventors: 陈勇; 高新贵; 杨宸
Original assignee: Suzhou Xinneng Precise Machinery Co ltd
Current assignee: Suzhou Xinneng Precise Machinery Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2024-03-01
Anticipated expiration: 2042-07-27
Also published as: CN115338772A

Abstract

The invention relates to a reciprocating honing tool, which comprises a clamp, a linear motor, a mounting plate and a pneumatic flexible positioner, wherein the linear motor is provided with a stator module and a rotor module which makes linear reciprocating motion on the stator module; the mounting plate is fixed relative to the rotor module; the pneumatic flexible positioner comprises a first connecting seat with a positioning column and a second connecting seat with a positioning sleeve, the positioning sleeve can clamp or release the positioning column, one part of the first connecting seat and one part of the second connecting seat are connected with the clamp, the other part of the first connecting seat and the second connecting seat is connected with the mounting plate, and the clamp is mounted on the mounting plate by clamping the positioning column through the positioning sleeve. According to the reciprocating honing tool, through the combined design of the linear motor and the pneumatic flexible positioner, the rapid switching of clamps among different workpieces is realized, and the honing efficiency is greatly improved by combining the rapid reciprocating motion of the linear motor.

Description

Reciprocating honing tool

Technical Field

The invention belongs to the technical field of honing, and particularly relates to a reciprocating honing tool.

Background

The honing technology is a special form of grinding processing and is a high-efficiency processing method in finish processing, and belongs to finishing processing, and the honing technology is required to be carried out on the basis of grinding or finish boring.

In the prior art, the honing is usually performed by adopting the reciprocating motion of a main shaft to feed, retract and honing, and when the clamp is installed on a honing system, the clamp is fixedly installed with the mounting plate through screws, then two positioning holes on the mounting plate are in butt joint with positioning columns on the honing system, the clamp is positioned, and then the mounting plate is fixed on the honing system through screws, so that the installation is very inconvenient. Particularly, when honing different types of small workpieces, each workpiece needs to correspondingly use one clamp, so that different clamps need to be frequently switched, and the traditional clamp mounting mode has the disadvantages of low switching speed of different clamps, long clamp switching time and low honing efficiency. In short, the existing honing process, whether the manner of retracting, feeding and honing process or the manner of mounting the clamp, greatly influences the honing efficiency of workpieces of different types.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a reciprocating honing tool with higher honing efficiency for honing workpieces of different types.

In order to solve the technical problems, the invention adopts the following technical scheme:

a reciprocating honing tool comprising a fixture, the honing tool further comprising:

the linear motor is provided with a stator module and a rotor module which makes linear reciprocating motion on the stator module;

the mounting plate is fixed relative to the rotor module, and the linear reciprocating motion of the rotor module drives the mounting plate to do linear reciprocating motion on the stator module;

the pneumatic flexible positioner comprises a first connecting seat with a positioning column and a second connecting seat with a positioning sleeve, the positioning sleeve can clamp or release the positioning column to enable the first connecting seat and the second connecting seat to be connected or separated, one part of the first connecting seat and one part of the second connecting seat are connected with the clamp, the other part of the first connecting seat and the other part of the second connecting seat are connected with the mounting plate, and the positioning sleeve clamps the positioning column to enable the clamp to be mounted on the mounting plate.

According to some embodiments of the invention, the fixture comprises a base and a fixture body arranged on the base for mounting a workpiece, wherein the one component of the first connecting seat and the second connecting seat is connected with the base.

In some embodiments, the first connection base is connected to the mounting plate, and the second connection base is connected to the bottom of the base.

According to some embodiments of the present invention, the jig further includes a bracket that is rotatably and slidably disposed on the base through a first rotation shaft, the jig body is rotatably and slidably disposed on the bracket through a second rotation shaft, the jig further includes positioning plates that are disposed on the jig body and have both ends extending out of the base, positioning holes are formed in both ends of the positioning plates, positioning rods that extend in an up-down direction are respectively disposed on both sides of the honing fixture on the honing system, the positioning rods on both sides are respectively used for plugging into or separating from the positioning holes, and when the positioning rods on both sides are respectively plugged into the positioning holes, the positioning rods are used for positioning the jig.

Further, when different clamps are switched mutually, the positioning sleeve is loosened to release the positioning column, the clamp is taken down, when another clamp is replaced, the positioning holes of the other clamp are firstly penetrated on the positioning rods on two sides, and then the positioning column on the other clamp is inserted into the positioning sleeve and clamped to the positioning column, so that the switching of different clamps is completed.

Further, the axial leads of the first rotating shaft and the second rotating shaft are perpendicular to each other, and when the honing tool is installed on the honing system, the axial leads of the first rotating shaft and the second rotating shaft extend along the horizontal direction respectively.

Further, the clamp body is at least partially located in the base, the lower end portion of the clamp body is located in the base, and the locating plate is arranged at the lower end portion of the clamp body.

Further, the support is an annular support, the support is located in the base, a first gap is formed between the outer peripheral surface of the support and the inner peripheral surface of the base, the clamp body is located in the support, a second gap is formed between the outer peripheral surface of the clamp body and the inner peripheral surface of the support, the first gap and the second gap enable the clamp body to slide for a certain distance along the axial line direction of the first rotating shaft or the axial line direction of the second rotating shaft, and the clamp further comprises a limiting piece which is arranged on the base and used for limiting the rotation amplitude of the clamp body around the first rotating shaft or the second rotating shaft.

According to some embodiments of the invention, the linear motor is disposed in a vertical direction, the mover module is linearly moved in a vertical direction on the stator module, and when the mounting plate is coupled to the mover module, the mounting plate includes a connection portion extending in the vertical direction and a mounting portion bent laterally from an upper end portion of the connection portion and extending in a horizontal direction, and the first connection seat is disposed on the mounting portion.

The second technical scheme adopted by the invention is as follows: a honing system comprising a honing fixture as described above.

Preferably, the honing system is a vertical honing system.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

according to the reciprocating honing tool disclosed by the invention, the clamp is arranged on the mounting plate through the combination design of the linear motor and the pneumatic flexible positioner, the mounting plate is arranged on the rotor module of the linear motor, and in the honing process, the clamp is driven to reciprocate through the reciprocating motion of the rotor module on the linear motor to carry out tool withdrawal, tool feeding and honing processing.

Drawings

Figure 1 is a schematic perspective view of a reciprocating honing tool according to a representative embodiment of the invention;

fig. 2 is a schematic perspective view of the reciprocating honing tool of fig. 1 (linear motor not shown);

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural view of the honing tool of fig. 1 after a positioning plate is connected with a positioning rod;

fig. 6 is an enlarged schematic view of the chuck of the honing tool of fig. 1 (showing the connection position of the third and fourth shafts);

figure 7 is a schematic diagram of the construction of a honing system;

FIG. 8 is an enlarged schematic view of FIG. 7 at B;

in the figure: 100. a frame; 200. a workpiece placement area; 300. a conveying mechanism; 400. honing a tool; 500. a measuring mechanism; 600. a deburring station; 700. a headstock assembly;

1. a linear motor; 1a, a stator module; 2. a mounting plate; 2a, a connecting part; 2b, an installation part; 3. a pneumatic flexible positioner; 3a, a first connecting seat; 3b, a second connecting seat; 4. a base; 5. a bracket; 6. a clamp body; 7. a positioning plate; 8. positioning holes; 9. a limiting piece; 10. a cylinder; 11. a chuck; 11a, a chuck body; 11b, a pressing part; 12. a chute; 12a, a first groove; 12b, a second groove; 13. a positioning rod; 14. a main shaft;

a. a first rotating shaft; b. a second rotating shaft; c. a third rotating shaft; d. and a fourth rotating shaft.

Detailed Description

The invention is further described with reference to the drawings and specific examples in the specification:

the reciprocating honing tool 400 shown in fig. 1 to 6 comprises a clamp, a linear motor 1, a mounting plate 2 and a pneumatic flexible positioner 3, wherein:

the linear motor 1 is provided in the up-down direction, and has a stator module 1a and a mover module that linearly reciprocates in the up-down direction on the stator module 1 a.

The mounting plate 2 is fixedly connected with the rotor module, and the linear reciprocating motion of the rotor module drives the mounting plate 2 to do linear reciprocating motion on the stator module, so that when the mounting plate 2 is connected with the rotor module, the mounting plate 2 comprises a connecting part 2a which extends in the up-down direction and a mounting part 2b which is bent to the side from the upper end part of the connecting part 2a and extends in the horizontal direction.

The pneumatic flexible positioner 3 comprises a first connecting seat 3a with a positioning column and a second connecting seat 3b with a positioning sleeve, the positioning sleeve clamps or releases the positioning column to enable the first connecting seat 3a and the second connecting seat 3b to be connected or separated, the first connecting seat 3a is fixedly arranged on the mounting part 2b, the second connecting seat 3b is fixedly arranged at the bottom of the clamp, the clamp is mounted on the mounting plate 2 through the positioning sleeve clamping the positioning column, and when the positioning sleeve releases the positioning column, the clamp can be taken down from the mounting plate 2 to switch different clamps.

As shown in fig. 4, the fixture includes a base 4, a bracket 5 rotated and slidably disposed on the base 4 by a first rotation shaft a, and a fixture body 6 rotated and slidably disposed on the bracket 5 by a second rotation shaft b, the fixture body 6 is used for mounting a workpiece, the first connection seat 3a is fixedly disposed at the bottom of the base 4, the bracket 5 is an annular bracket, the bracket 5 is disposed in the base 4, the fixture body 6 is disposed in the bracket 5, the fixture body 6 is at least partially disposed in the base 4, and the lower end of the fixture body 6 is disposed in the base 4.

The fixture further comprises a positioning plate 7 arranged at the lower end part of the fixture body 6, two end parts of the positioning plate 7 extend out of the base 4, positioning holes 8 are formed in two end parts of the positioning plate 7, positioning rods 13 extending along the up-down direction are respectively arranged on two sides of the fixture on the honing system, the positioning rods 13 on two sides are respectively used for being spliced or separated from the positioning holes 8, and when the two positioning rods 13 are respectively spliced with the positioning holes 8, the positioning rods 13 are used for positioning the fixture so as to facilitate clamping of workpieces and honing.

When different clamps are switched mutually, the positioning sleeve is loosened to release the positioning column, the clamp is taken down, when another clamp is replaced, the positioning hole 8 on the other clamp is penetrated on the positioning rods 13 on the two sides, the positioning is fast and convenient, then the positioning column on the other clamp is inserted into the positioning sleeve and is clamped, the switching of different clamps is completed, manual positioning and locking screws are not needed, pneumatic positioning and locking are realized, the switching time is greatly shortened, the fast switching is realized, and the honing efficiency is greatly improved.

When the honing fixture is installed on a honing system, the axial leads of the first rotating shaft a and the second rotating shaft b extend in the horizontal direction respectively and are mutually perpendicular, a first gap is formed between the outer peripheral surface of the bracket 5 and the inner peripheral surface of the base 4, a second gap is formed between the outer peripheral surface of the fixture body 6 and the inner peripheral surface of the bracket 5, the first gap and the second gap enable the fixture body 6 to slide relatively for a certain distance along the axial lead of the first rotating shaft a or the axial lead of the second rotating shaft b, the fixture further comprises a limiting piece 9 which is arranged on the base 4 and used for limiting the rotation amplitude of the fixture body 6 around the first rotating shaft a or the second rotating shaft b, and a workpiece can float to a certain extent in the workpiece machining process.

The fixture body 6 has an upper end opening and is used for accommodating a workpiece, as shown in fig. 6, the fixture further comprises chucks 11 which are respectively arranged on two opposite sides of the fixture body 6 in a sliding manner along the up-down direction and are used for clamping or releasing the workpiece, and a power mechanism which is used for driving the chucks 11 on two sides to rotate and slide so as to clamp or release the workpiece, wherein the third rotating shaft c is arranged on the fixture body 6, the axial lead of the third rotating shaft c is parallel to the axial lead of the second rotating shaft b, a sliding groove 12 is formed in the position, corresponding to the third rotating shaft c, of the chucks 11 on two sides, and the third rotating shaft c is inserted in the sliding groove 12 and is arranged in a sliding manner relative to the sliding groove 12.

As shown in fig. 6, the both-side chucks 11 include chuck bodies 11a extending in the up-down direction and pressing portions 11b formed at upper end portions of the chuck bodies 11a and extending inward of the chuck bodies 6, the both-side pressing portions 11b are pressed against upper end surfaces of the workpieces to clamp the workpieces, the slide grooves 12 include first grooves 12a extending in the up-down direction and second grooves 12b formed by bending lower end portions of the first grooves 12a toward the chuck bodies 6 and extending downward, and when the both-side chucks 12 clamp the workpieces, the third rotating shafts c are located in the first grooves 12 a; when the chucks 11 on both sides release the workpiece, the third rotation shaft c relatively slides into the second groove 12 b.

The power mechanism comprises a connecting rod with two ends respectively connected with the lower ends of the chuck bodies 11a at two sides in a rotating way through a fourth rotating shaft d and an air cylinder 10 arranged on the positioning plate 7 and positioned below the positioning plate 7, wherein the upper end of a piston rod of the air cylinder 10 penetrates through the positioning plate 7 and then is connected with the middle part of the connecting rod, and the axial lead of the fourth rotating shaft d is parallel to the axial lead of the third rotating shaft c.

As shown in fig. 7-8, a reciprocating honing tool 400 is mounted to the honing system.

The honing system comprises a frame 100, a workpiece placement area 200, a conveying mechanism 300, a measuring mechanism 500, a deburring station 600 and a headstock assembly 700, wherein the workpiece placement area 200 is arranged on the frame 100 and is used for placing a workpiece to be machined and a machined workpiece; the conveying mechanism 300 is provided on the frame 100 and is used for conveying a workpiece to be processed or a processed workpiece; the linear motor 1 of the honing tool 400 is arranged on the frame 100 along the up-down direction, and the stator module 1a is relatively and fixedly arranged on the frame 100; the headstock assembly 700 has a main shaft 14 disposed in the up-down direction above the jig, and a honing tool (not shown) is mounted on the main shaft 14; the measuring mechanism 500 is disposed on the frame 100 and is used for measuring a processed workpiece; the deburring station 600 is provided on the frame 100 and is used for deburring the measured workpiece.

Specifically, the conveying mechanism 300 conveys the workpiece to be machined in the workpiece placement area 200 to the clamp for honing, the workpiece after honing is conveyed to the measuring mechanism 500 through the conveying mechanism 300 for measurement and detection, the workpiece after detection is conveyed to the deburring station 600 through the conveying mechanism 300 for deburring, the workpiece after deburring is conveyed back to the workpiece placement area 200 through the conveying mechanism 300, automatic feeding, automatic honing, on-line automatic measurement and machining precision and automatic deburring are realized on the workpiece, whole-course automatic machining is realized on the workpiece, and honing efficiency is greatly improved.

Working principle of the honing tool is that the above-mentioned setting is installed:

when the feeding and discharging of the workpiece to be processed is needed, the piston rod of the air cylinder 10 moves upwards to drive the connecting rod to move upwards to drive the two side chucks 11 to slide upwards and turn outwards around the third rotating shaft c, the two side chucks 11 are opened to two sides respectively, the manipulator is convenient to grasp the workpiece for feeding and discharging, after the feeding and discharging are finished, the piston rod of the air cylinder 10 moves downwards to drive the two side chucks 11 to slide downwards and turn inwards around the third rotating shaft c, the two side chucks 11 clamp the workpiece, the pressing part 11b presses the upper end face of the workpiece, and therefore the workpiece is fixed in the clamp body 6, and the workpiece is convenient to process. The clamping or releasing of the workpiece adopts automatic compression or release, so that the automatic loading and unloading of the workpiece are realized, and the working efficiency of workpiece processing is greatly improved.

In the honing process of the workpiece, the fixture is driven to reciprocate up and down through the linear motor 1, so that the feed or withdrawal of honing is further performed, in addition, in the honing process, the honing process can be performed through the reciprocating motion of the linear motor 1, the quick reciprocating speed of the linear motor 1 can be up to more than 1400mm/s, compared with the servo reciprocating speed of a honing main shaft, the speed is more than 5 times faster, and the honing efficiency can be improved by 3-5 times.

For the processing of different work pieces, switch different anchor clamps, realize the quick switch of different anchor clamps through pneumatic flexible locator 3, combine locating lever 13 and locating hole 8's effect, need not manual positioning, locking screw, pneumatic positioning locking, the greatly reduced switching time realizes quick switch, further improves honing efficiency greatly.

The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a reciprocating motion honing frock, includes anchor clamps, its characterized in that, honing frock still includes:

the pneumatic flexible positioner comprises a first connecting seat with a positioning column and a second connecting seat with a positioning sleeve, the positioning sleeve can clamp or release the positioning column so that the first connecting seat and the second connecting seat are connected or separated, and the positioning sleeve clamps the positioning column to realize that the clamp is mounted on a mounting plate;

the fixture comprises a base and a fixture body arranged on the base and used for installing a workpiece, the first connecting seat is connected with the mounting plate, and the second connecting seat is connected to the bottom of the base;

the fixture further comprises a bracket which is arranged on the base in a rotating and sliding manner through a first rotating shaft, the fixture body is arranged on the bracket in a rotating and sliding manner through a second rotating shaft, the fixture further comprises positioning plates which are arranged on the fixture body, two end parts of the positioning plates extend out of the base, positioning holes are formed in the two end parts of the positioning plates, positioning rods which extend in the vertical direction are respectively arranged on two sides of the honing fixture on the honing system, the positioning rods on two sides are respectively used for being spliced with or separated from the positioning holes, and when the positioning rods on two sides are respectively spliced with the positioning holes, the positioning rods are used for positioning the fixture;

when different clamps are switched, the positioning sleeve is loosened to release the positioning column, the clamp is taken down, and when another clamp is replaced, the positioning holes of the other clamp are penetrated on the positioning rods on two sides, and then the positioning column on the other clamp is inserted into the positioning sleeve and clamped to finish the switching of different clamps;

the support is the annular support, the support is located in the base, just the outer peripheral face of support with have first clearance between the inner peripheral face of base, the anchor clamps body is located in the support, the outer peripheral face of anchor clamps body with have the second clearance between the inner peripheral face of support, first clearance, second clearance make the anchor clamps body follow the axial lead direction of first pivot or second pivot slides certain distance, the anchor clamps still including setting up on the base and be used for the restriction the anchor clamps body is around first pivot or second pivot rotation range's locating part.

2. A reciprocating honing tool as claimed in claim 1, characterized in that: when the honing tool is installed on a honing system, the axial leads of the first rotating shaft and the second rotating shaft extend along the horizontal direction respectively.

3. A reciprocating honing tool as claimed in claim 1, characterized in that: the fixture body is at least partially located in the base, the lower end portion of the fixture body is located in the base, and the locating plate is arranged at the lower end portion of the fixture body.

4. A reciprocating honing tool as claimed in claim 1, characterized in that: the linear motor sets up along the upper and lower direction, the mover module is in along upper and lower direction rectilinear motion on the stator module, works as the mounting panel with when the mover module links to each other, the mounting panel includes the connecting portion that extend along upper and lower direction and by the upper end of connecting portion is to the lateral buckling and along the installation department that extends of horizontal direction, first connecting seat sets up on the installation department.