CN218575891U - Adjustable honing tool - Google Patents
Adjustable honing tool Download PDFInfo
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- CN218575891U CN218575891U CN202222498517.0U CN202222498517U CN218575891U CN 218575891 U CN218575891 U CN 218575891U CN 202222498517 U CN202222498517 U CN 202222498517U CN 218575891 U CN218575891 U CN 218575891U
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- honing
- cutter
- hole
- cutter arbor
- wedge
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Abstract
The utility model provides an adjustable honing cutter, including ejector pin, cutter arbor, honing strip, honing cover, wedge and spring, be equipped with cutter arbor axial through-hole on the cutter arbor, the ejector pin is installed within the cutter arbor axial through-hole of cutter arbor, the ejector pin with the cutter arbor has constituted the removal pair, the ejector pin inserts the one end of cutter arbor axial through-hole is equipped with first inclined plane, be equipped with the first radial through-hole of cutter arbor on the cutter arbor. The utility model has the advantages that: the wedge-shaped block can be pushed to move through the ejector rod, so that the honing sleeve is radially opened, the honing strip is radially opened and pressed to the wall of the hole of the workpiece, a certain pressure and a certain contact area are generated, low-speed grinding of the hole is realized in the low-speed rotation and reciprocating motion of the cutter, after the hole is ground to a set size, the ejector rod moves backwards, the wedge-shaped block is radially compressed inwards by the elastic force of the spring, the honing sleeve retracts inwards and radially, the honing strip is driven to retract, and the whole grinding process is completed.
Description
Technical Field
The utility model relates to a cutter especially relates to an adjustable honing cutter.
Background
The essence of honing is a super-finishing grinding method for grinding a workpiece at a low speed by using a plurality of oilstones arranged on the circumference of a honing head, so as to improve the dimensional precision, geometric shape precision, surface roughness and the like of the workpiece. However, the push rod cannot be withdrawn, so that the oilstone on the honing head cannot be withdrawn to be separated from the hole surface, the hole surface is strained, scratches are generated, the processing precision of the product is reduced, and the product quality is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides an adjustable honing tool.
The utility model provides an adjustable honing tool, including ejector pin, cutter arbor, honing strip, honing cover, wedge and spring, be equipped with cutter arbor axial through-hole on the cutter arbor, the ejector pin is installed within the cutter arbor axial through-hole of cutter arbor, the ejector pin with the cutter arbor has constituted the sliding pair, the ejector pin inserts the one end of cutter arbor axial through-hole is equipped with first inclined plane, be equipped with the first radial through-hole of cutter arbor on the cutter arbor, the wedge sets up within the first radial through-hole of cutter arbor, the wedge is close to the terminal surface of ejector pin is the second inclined plane, the second inclined plane with first inclined plane is laminated mutually, the spring is ring shape and cover on the cutter arbor, the spring presss from both sides tightly the wedge under the spring action, the second inclined plane of wedge tightly laminates on the first inclined plane of ejector pin, the honing cover is installed on the cutter arbor, the wedge is located between honing cover, the honing strip is installed the honing cover.
As a further improvement, the adjustable honing tool further comprises an axial limiting bolt, a cutter bar second radial through hole is arranged on the cutter bar, a key groove for limiting the axial position is arranged on the ejector rod, the axial limiting bolt passes through the cutter bar second radial through hole to be filled in the key groove.
As a further improvement, the cutter bar annular groove for installing the spring is arranged on the cutter bar, and the spring is installed in the cutter bar annular groove.
As a further improvement of the utility model, the springs are provided with at least two springs and are arranged at intervals along the axial direction.
As a further improvement, the cutter bar radial groove of installation honing cover is arranged on the cutter bar, the inner side surface of the honing cover is provided with a convex strip, and the convex strip is inserted into the cutter bar radial groove.
As a further improvement of the utility model, the honing sleeve is fixed on the cutter bar through a bolt.
As a further improvement, the honing sleeve is provided with a honing strip mounting groove, the honing strip is embedded in the honing strip mounting groove through glue.
As a further improvement of the utility model, at least two first inclined planes are arranged on the mandril, and each inclined plane corresponds to one wedge-shaped block.
As a further improvement of the utility model, the honing sleeve is provided with a tensioning opening.
As a further improvement of the present invention, the inclination angle of the second inclined plane is between 2 ° and 4 °.
The beneficial effects of the utility model are that: through the scheme, the wedge-shaped block can be pushed to move through the ejector rod, so that the honing sleeve is radially opened, the honing strips are radially opened and pressed to the wall of the hole of the workpiece to generate certain pressure and contact area, low-speed grinding of the hole is realized in low-speed rotation and reciprocating motion of the cutter, after the hole is ground to a set size, the ejector rod moves backwards, the elastic force of the spring radially compresses the wedge-shaped block inwards, the honing sleeve radially retracts inwards, the honing strips are driven to retract, and the whole grinding process is completed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without creative efforts.
Figure 1 is a perspective schematic view of an adjustable honing tool of the present invention.
Figure 2 is an exploded view of an adjustable honing tool of this invention.
Figure 3 is a schematic view of a mandrel of an adjustable honing tool of the present invention.
Figure 4 is a schematic view of the tool bar of an adjustable honing tool of the present invention.
Figure 5 is a front view of the tool bar of an adjustable honing tool of the invention.
Fig. 6 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 5.
Fig. 7 is a partially enlarged view B of fig. 6.
Figure 8 is a schematic view of a honing sleeve for an adjustable honing tool of this invention.
Fig. 9 is a schematic view of a honing stick of the adjustable honing tool of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. 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 otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further described with reference to the following description and embodiments.
As shown in fig. 1 to 9, an adjustable honing tool comprises a mandril 1, a tool bar 2, a honing stick 3, a honing sleeve 4, a wedge-shaped block 5 and a spring 6.
The cutter bar 2 is provided with a cutter bar axial through hole 21, the ejector rod 1 is arranged in the cutter bar axial through hole 21 of the cutter bar 2, and the ejector rod 1 and the cutter bar 2 form a moving pair, namely, the ejector rod 1 can move back and forth in the cutter bar axial through hole 21 along the axial direction.
One end, inserted into the tool bar axial through hole 21, of the ejector rod 1 is provided with a first inclined surface 11, a tool bar first radial through hole 23 is formed in the tool bar 2, the wedge-shaped block 5 is arranged in the tool bar first radial through hole 23 of the tool bar 2, the end surface, close to the ejector rod 2, of the wedge-shaped block 5 is a second inclined surface 51, the second inclined surface 51 is attached to the first inclined surface 11, when the ejector rod 1 moves forwards, under the action of the second inclined surface 51 and the first inclined surface 11, the wedge-shaped block 5 is radially expanded, and when the ejector rod 1 moves backwards, the wedge-shaped block 5 radially contracts.
The spring 6 is in a circular ring shape and is sleeved on the cutter bar 2, the wedge-shaped block 5 is clamped by the spring 6, the second inclined surface 51 of the wedge-shaped block 5 is tightly attached to the first inclined surface 11 of the ejector rod 1 under the action of the elastic force of the spring 6, and when the ejector rod 1 moves backwards, the wedge-shaped block 5 contracts radially under the action of the elastic force of the spring 6.
The wedge block 5 is provided with a radial wedge block groove 52 for mounting the spring 6.
The honing stick 3 is arranged in the honing sleeve 4, and the honing sleeve 4 can be jacked up through the wedge-shaped block 5 along the radial direction, so that the honing stick 3 is jacked up.
The adjustable honing tool further comprises an axial limiting bolt, a tool bar second radial through hole 22 is formed in the tool bar 2, a key groove 12 for limiting the axial position is formed in the ejector rod 1, the axial limiting bolt penetrates through the tool bar second radial through hole 22 and is installed in the key groove 12, the axial movement position of the ejector rod 1 can be limited through the key groove 12, and the key groove 12 further has a guiding effect and is beneficial to stable operation of the ejector rod 1.
The cutter bar 2 is provided with a cutter bar annular groove 27 for installing the spring 6, and the spring 6 is installed in the cutter bar annular groove 27.
At least two springs 6 are arranged at intervals along the axial direction, and the wedge-shaped block 5 is preferably tightly hooped by the two springs 6 in the embodiment.
The cutter bar 2 is provided with a cutter bar radial groove 24 for installing the honing sleeve 4, the inner side surface of the honing sleeve 4 is provided with a convex strip 43, and the convex strip 43 is inserted into the cutter bar radial groove 24.
The honing sleeve 4 is fixed on the honing sleeve mounting hole 25 of the cutter bar 2 through a bolt, and a bolt mounting through hole 44 is arranged on the honing sleeve 4.
The honing sleeve 4 is provided with a honing strip mounting groove 42, and the honing strip 3 is embedded in the honing strip mounting groove 42 through glue.
At least two first inclined planes 11 are arranged on the ejector rod 1, and each inclined plane 11 corresponds to one wedge-shaped block 5.
The honing sleeve 4 is provided with a tensioning opening 47.
The inclination angles of the first inclined surface 11 and the second inclined surface 51 are between 2 ° and 4 °, and are preferably 3 °.
The ejector rod 1 is provided with 3 first inclined planes 11 which are uniformly distributed, the inclination angle is about 3 degrees +/-0.05 degrees, and the 3 first inclined planes are matched with the designed 3 wedge-shaped blocks 5.
And the other end of the ejector rod 1, which is far away from the first inclined plane 11, is provided with an external thread 13 for connecting with a machine tool.
The honing sleeve 4 has an inner circle 41, the cutter bar 2 has an outer circle 26, and the inner circle 41 of the honing sleeve 4 is tightly attached to the outer circle 26 of the cutter bar 2.
The honing sleeve 4 is provided with a thin-wall part 45 and a thick-wall part 46, the thin-wall part 45 is a part for controlling the tensioning of the honing sleeve 4, the overall wall thickness of the thin-wall part 45 is about 0.4-0.5 mm, 2 thin-wall parts 45 are symmetrically arranged, the rest parts are the thick-wall parts 46, and the thickness of the thick-wall part 46 is far larger than that of the thin-wall part 45.
The utility model provides a pair of adjustable honing cutter, its assembling process as follows:
3 wedge blocks 5 are respectively arranged in a cutter bar first radial through hole 23 corresponding to the cutter bar 2, a second inclined surface 51 of the wedge block 5 is positioned in a cutter bar axial through hole 21 of the cutter bar 2, an ejector rod 1 is arranged in the cutter bar axial through hole 21 of the cutter bar 2, 3 first inclined surfaces 11 of the ejector rod 1 are respectively matched with the second inclined surfaces 51 of the 3 wedge blocks 5, an axial limiting bolt penetrates through the cutter bar second radial through hole 22 of the cutter bar 2 and is arranged in a key groove 12 of the ejector rod 1, 2 springs 6 are arranged in a cutter bar annular groove 27 corresponding to the cutter bar 2, an inner circle 41 of a honing sleeve 4 penetrates through an outer circle 26 of the cutter bar 2, a convex strip 43 of the honing sleeve 4 penetrates into a cutter bar radial groove 24 of the cutter bar 2, the bolts are arranged in the bolt mounting through hole 44 and penetrate through the honing sleeve mounting hole 25 of the cutter bar 2 to fix the honing sleeve 4, and finally 6 honing strips 3 are respectively embedded into the honing strip mounting groove 42 by AB glue.
The utility model provides a pair of adjustable honing cutter, its theory of operation as follows:
when the machine tool works, the ejector rod 1 moves forwards to push the wedge-shaped block 5 to move radially, so that the honing sleeve 4 is radially expanded, the honing strip 3 is pressed to the wall of the hole of a workpiece to generate certain pressure and contact area, low-speed grinding of the hole is realized in low-speed rotation and reciprocating motion of the cutter, after the hole is ground to a set size, the ejector rod 1 moves backwards, the wedge-shaped block 5 contracts radially under the action of the elastic force of the spring 6, the honing sleeve 4 retracts radially inwards to drive the honing strip 3 to retract, and the whole grinding process is completed.
The utility model provides a pair of adjustable honing cutter has following advantage:
1. the problems that in the prior art, the push rod cannot be withdrawn, so that oilstones on the honing head cannot be withdrawn to be separated from contact with the hole surface, the hole surface is pulled, scratches are generated, the product processing precision is reduced, and the product quality is reduced are solved.
2. The adjustable honing cutter has the advantages of simple structure, convenient manufacture and convenient installation and disassembly.
The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. An adjustable honing tool characterized by: including ejector pin, cutter arbor, honing strip, honing cover, wedge and spring, be equipped with cutter arbor axial through-hole on the cutter arbor, the ejector pin is installed within the cutter arbor axial through-hole of cutter arbor, the ejector pin with the cutter arbor has constituted the sliding pair, the ejector pin inserts the one end of cutter arbor axial through-hole is equipped with first inclined plane, be equipped with the first radial through-hole of cutter arbor on the cutter arbor, the wedge sets up within the first radial through-hole of cutter arbor, the wedge is close to the terminal surface of ejector pin is the second inclined plane, the second inclined plane with first inclined plane is laminated mutually, the spring is ring shape and cover on the cutter arbor, the spring presss from both sides tightly the wedge under the elastic force effect of spring, the second inclined plane of wedge tightly laminates on the first inclined plane of ejector pin, the honing cover is installed on the cutter arbor, the wedge is located between honing cover, the cutter arbor, honing strip is installed the honing cover.
2. The adjustable honing tool of claim 1 wherein: the adjustable honing tool further comprises an axial limiting bolt, a second radial cutter bar through hole is formed in the cutter bar, a key groove for limiting the axial position is formed in the ejector rod, and the axial limiting bolt penetrates through the second radial cutter bar through hole and is installed in the key groove.
3. The adjustable honing tool of claim 1 wherein: the cutter bar is provided with a cutter bar annular groove for installing a spring, and the spring is installed in the cutter bar annular groove.
4. The adjustable honing tool of claim 1 wherein: at least two springs are arranged at intervals along the axial direction.
5. The adjustable honing tool of claim 1 wherein: the honing tool is characterized in that a tool bar radial groove for installing a honing sleeve is formed in the tool bar, a raised line is arranged on the inner side surface of the honing sleeve, and the raised line is inserted into the tool bar radial groove.
6. The adjustable honing tool of claim 1 wherein: the honing sleeve is fixed on the cutter bar through a bolt.
7. The adjustable honing tool of claim 1 wherein: the honing sleeve is provided with a honing strip mounting groove, and the honing strip is embedded in the honing strip mounting groove through glue.
8. The adjustable honing tool of claim 1 wherein: the ejector rod is provided with at least two first inclined surfaces, and each inclined surface corresponds to one wedge-shaped block.
9. The adjustable honing tool of claim 1 wherein: the honing sleeve is provided with a tensioning opening.
10. The adjustable honing tool of claim 1 wherein: the inclination angle of the second inclined plane is between 2 degrees and 4 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222498517.0U CN218575891U (en) | 2022-09-21 | 2022-09-21 | Adjustable honing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222498517.0U CN218575891U (en) | 2022-09-21 | 2022-09-21 | Adjustable honing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218575891U true CN218575891U (en) | 2023-03-07 |
Family
ID=85365202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222498517.0U Active CN218575891U (en) | 2022-09-21 | 2022-09-21 | Adjustable honing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218575891U (en) |
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2022
- 2022-09-21 CN CN202222498517.0U patent/CN218575891U/en active Active
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| GR01 | Patent grant |