CN213289511U - Eccentric fixture structure for machine tool - Google Patents
Eccentric fixture structure for machine tool Download PDFInfo
- Publication number
- CN213289511U CN213289511U CN202022193544.8U CN202022193544U CN213289511U CN 213289511 U CN213289511 U CN 213289511U CN 202022193544 U CN202022193544 U CN 202022193544U CN 213289511 U CN213289511 U CN 213289511U
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- plate
- butt joint
- mounting plate
- adjusting bolt
- joint flange
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Abstract
An eccentric clamp structure used on a machine tool comprises a butt joint flange plate, a movable plate and an eccentric distance adjusting bolt arranged between the butt joint flange plate and the movable plate. A guide rail is vertically arranged on the side surface of the butt joint flange plate facing the movable plate, and the guide rail is positioned at the lower part of the side surface of the butt joint flange plate; the butt joint ring flange is fixedly provided with a first mounting plate, and the first mounting plate is provided with a first mounting hole. A sliding groove is formed in the side face, facing the butt joint flange plate, of the moving plate and matched with the guide rail, a second mounting plate is fixedly arranged at the upper end inside the sliding groove, the second mounting plate is opposite to the first mounting plate, and the horizontal height of the second mounting plate is lower than that of the first mounting plate; a second mounting hole is formed in the second mounting plate, and internal threads are formed in the inner wall of the second mounting hole. The eccentricity adjusting bolt is installed in the first installation hole and the second installation hole. This structure utilizes the eccentricity adjusting bolt between butt joint ring flange and the removal dish to adjust out the eccentricity, and the regulation and control is convenient, and the eccentricity of acquireing is accurate, and is efficient.
Description
Technical Field
The utility model relates to a machine tooling technical field, concretely relates to eccentric anchor clamps structure of using on lathe.
Background
The conventional method for machining an eccentric shaft includes the following three methods: the first method is to clamp a workpiece by using a four-jaw chuck, and adjust corresponding jaws to enable the workpiece to be eccentric, so that a certain eccentric distance is obtained; the second method is to add a spacer on one jaw of the chuck to make the workpiece eccentric; the third method is to clamp the workpiece by using a dual chuck combination. When the three conventional clamping methods are adopted to process the eccentric shafts in batches, each workpiece needs to be corrected, the correction process is complicated, the efficiency is low, and the obtained eccentricity is inaccurate and unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome shortcoming and not enough among the prior art, provide an eccentric anchor clamps structure of using on the lathe, it installs a butt joint ring flange and a removal dish between lathe rotation axis and chuck to utilize the eccentricity adjusting bolt of installing between butt joint ring flange and removal dish to adjust out the eccentricity.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides an eccentric anchor clamps structure of using on lathe, includes that the butt joint ring flange that assembles together back to back and removal dish to and install the eccentricity adjusting bolt between butt joint ring flange and removal dish, its characterized in that:
the butt joint flange plate comprises a convex ring part and a disc part which are integrally formed, a guide rail is vertically arranged on the side surface of the butt joint flange plate facing the movable disc in a protruding mode, and the guide rail is located at the lower position of the side surface of the butt joint flange plate; the butt joint flange plate is also fixedly provided with a first mounting plate, the first mounting plate and the guide rail have the same width and are positioned right above the guide rail at intervals, and a first mounting hole is formed in the first mounting plate;
a sliding groove is formed in the side face, facing the butt joint flange plate, of the moving plate, vertically penetrates through the side wall of the moving plate and is matched with the guide rail, a second mounting plate is fixedly arranged at the upper end inside the sliding groove and is opposite to the first mounting plate, and the horizontal height of the second mounting plate is lower than that of the first mounting plate; a second mounting hole is formed in the second mounting plate, and internal threads are formed in the inner wall of the second mounting hole;
and the eccentricity adjusting bolt is arranged in the first mounting hole and the second mounting hole.
Furthermore, an annular clamping groove is formed in one end of the eccentricity adjusting bolt, an external thread is formed in the other end of the eccentricity adjusting bolt, the eccentricity adjusting bolt is rotatably clamped in the first mounting hole through the annular clamping groove, the eccentricity adjusting bolt penetrates through the second mounting hole, and the external thread on the eccentricity adjusting bolt is matched with the internal thread of the second mounting hole.
Furthermore, two runway-shaped guide holes are formed in the disc part of the butt joint flange plate, and the two runway-shaped guide holes are vertically arranged and symmetrically located on two sides of the guide rail.
Furthermore, still fixedly on the frisbee be provided with two guide bars, two guide bar symmetries are located the both sides of spout, two guide bar ends all are provided with the screw thread, and two guide bars on the frisbee correspond with two runway shape guiding holes on the butt joint flange dish respectively.
Furthermore, a plurality of counter bores are further formed in the moving disc and are evenly distributed along the edge of the moving disc in the circumferential direction, and butt bolts are arranged in the counter bores.
Furthermore, the convex ring part of the butt joint flange plate protrudes towards the direction of the machine tool rotating shaft, and the inner wall of the convex ring part is provided with internal threads.
Furthermore, when the butt joint flange plate and the movable plate are assembled together back to back, the first mounting plate is transversely embedded into the sliding groove, and the second mounting plate is positioned under the first mounting plate at intervals.
Preferably, a hexagonal inner groove is further formed in the top surface of the eccentricity adjusting bolt.
Preferably, the length of the guide rail is smaller than the radius of the disk portion of the mating flange.
Preferably, the number of the counter bores is three.
Compared with the prior art, the beneficial effects of the utility model reside in that: the butt joint flange plate and the movable plate are installed between the machine tool rotating shaft and the chuck, the eccentricity is adjusted by the aid of the eccentricity adjusting bolt installed between the butt joint flange plate and the movable plate, the movable plate is driven to move relative to the butt joint flange plate through the eccentricity adjusting bolt, displacement precision is high, regulation and control are convenient, the obtained eccentricity is accurate, adjustment efficiency is high, operation is convenient, and rigidity is good.
In order that the invention may be more clearly understood, preferred embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the installation position of the present invention;
fig. 2 and 3 are schematic perspective views of the present invention;
fig. 4 and 5 are exploded views of the present invention;
fig. 6 is a schematic structural view of the docking flange of the present invention;
fig. 7 is a schematic structural view of the movable plate of the present invention;
fig. 8 is a schematic structural diagram of a cross-section of the docking flange and the moving plate of the present invention.
Detailed Description
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 the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 8, an eccentric clamping structure 100 for a machine tool includes a docking flange 1 and a movable plate 2 assembled back to back, and an eccentricity adjusting bolt 3 installed between the docking flange 1 and the movable plate 2 for adjusting eccentricity. The butt joint flange plate 1 is used for butt joint with a rotating shaft on a machine tool 200, and the eccentric clamp structure 100 used on the machine tool is installed on the machine tool 200; the movable plate 2 is used to interface with an existing chuck 4 to mount a workpiece to be machined to the machine tool 200.
The butt joint flange plate 1 comprises a convex ring part 11 and a circular plate part 12 which are integrally formed, the convex ring part 11 of the butt joint flange plate 1 protrudes towards the direction of a machine tool rotating shaft, and internal threads are arranged on the inner wall of the convex ring part 11 and butt joint with the machine tool rotating shaft; a guide rail 13 is convexly arranged on the side surface of the butt joint flange plate 1 facing the movable plate 2, the guide rail 13 is vertically arranged facing the center of the butt joint flange plate 1, and the length of the guide rail 13 is smaller than the radius of the plate part 12, so that the guide rail 13 is positioned at the lower position on the side surface of the butt joint flange plate 1; a first mounting plate 14 is fixedly arranged on the side surface of the butt joint flange plate 1 facing the movable plate 2, the first mounting plate 14 has the same width as the guide rail 13 and is positioned right above the guide rail 13 at intervals, and a first mounting hole for mounting the eccentricity adjusting bolt 3 is formed in the first mounting plate 14; two runway-shaped guide holes 15 are further formed in the disc portion 12 of the butt joint flange plate 1, and the two runway-shaped guide holes 15 are vertically arranged and symmetrically located on two sides of the guide rail 13.
The side surface of the movable plate 2 facing the butt joint flange plate 1 is provided with a sliding groove 21, the sliding groove 21 vertically penetrates through the side wall of the movable plate 2, the sliding groove 21 on the movable plate 2 is matched with the guide rail 13 on the butt joint flange plate 1, and the movable plate 2 can relatively move relative to the butt joint flange plate 1 under the guiding of the matching of the sliding groove 21 and the guide rail 13. The inside upper end of spout 21 is fixed and is provided with second mounting panel 22, and second mounting panel 22 is relative with first mounting panel 14 on the flange 1 that docks, and the level of second mounting panel 22 is less than the level of first mounting panel 14 for when flange 1 and the removal dish 2 back-to-back assembly together, first mounting panel 14 transversely imbeds in the spout 21 and second mounting panel 22 interval is located under first mounting panel 14. And a second mounting hole for mounting the eccentricity adjusting bolt 3 is formed in the second mounting plate 22, and an internal thread is formed in the inner wall of the second mounting hole.
Further, still fixedly on the frisbee 2 be provided with two guide bars 23, two guide bars 23 symmetric position in the both sides of spout 21, two guide bar 23 end all are provided with the screw thread, and two guide bars 23 on the frisbee 2 correspond with two runway shape guiding holes 15 on the butt joint ring flange 1, and when butt joint ring flange 1 and frisbee 2 assembled back to back together, two guide bars 23 on the frisbee 2 passed two runway shape guiding holes 15 on the butt joint ring flange 1 respectively, just can be with adjusting the butt joint ring flange 1 and the frisbee 2 locking of eccentricity through guide bar 23 and nut cooperation.
Further, still be provided with a plurality of counter bores on the removal dish 2, the counter bore is along the marginal circumference equipartition of removal dish 2, is provided with the docking bolt 24 with current chuck 4 butt joint in the counter bore, fastens chuck 4 on removal dish 2 through docking bolt 24. Preferably, in this embodiment, three counter bores are provided in the movable plate 2, and the four-jaw chuck is fastened to the movable plate 2 by three docking bolts 24.
One end of the eccentricity adjusting bolt 3 is provided with an annular clamping groove 31, the other end of the eccentricity adjusting bolt is provided with external threads, the eccentricity adjusting bolt 3 is rotatably clamped in a first mounting hole formed in the first mounting plate 14 through the annular clamping groove 31, the eccentricity adjusting bolt 3 penetrates through a second mounting hole of the second mounting plate 22, and the external threads on the eccentricity adjusting bolt 3 are matched with the internal threads of the second mounting hole. Further, in order to rotate the eccentricity adjusting bolt 3, a hexagonal inner groove is further formed in the top surface of the eccentricity adjusting bolt 3, and the eccentricity adjusting bolt 3 can be easily rotated by inserting a matched hexagonal wrench into the inner groove.
The eccentric clamp structure 100 for the machine tool of the present application has the principle of adjusting the eccentricity as follows:
when the eccentricity adjusting bolt 3 is rotated in the forward direction, the top surface and the bottom surface of the first mounting plate 14 are clamped by the annular clamping groove 31 of the eccentricity adjusting bolt 3, and the first mounting plate 14 is fixed on the butt joint flange plate 1, so that the eccentricity adjusting bolt 3 does not displace relative to the butt joint flange plate 1 and the first mounting plate 14; however, under the combined action of the external threads of the eccentricity adjusting bolt 3 and the internal threads of the second mounting hole, the second mounting plate 22 fixed on the movable plate 2 drives the movable plate 2 to move upwards (because the length of the guide rail 13 is smaller than the radius of the butt flange 1 and smaller than the length of the sliding groove 21, the guide rail 13 has a certain sliding space in the sliding groove 21, and the movable plate 2 moves upwards relative to the butt flange 1 under the guiding of the matching of the sliding groove 21 and the guide rail 13), thereby achieving the effect of adjusting the eccentricity;
similarly, when the eccentricity adjusting bolt 3 is rotated in the reverse direction, the second mounting plate 22 fixed on the movable plate 2 will drive the movable plate 2 to move downwards, thereby achieving the effect of adjusting the eccentricity.
Compared with the prior art, the beneficial effects of the utility model reside in that: install a butt joint ring flange 1 and a removal dish 2 between lathe rotation axis and chuck 4 to utilize the eccentricity adjusting bolt 3 of installing between butt joint ring flange 1 and removal dish 2 to adjust out the eccentricity, drive removal dish 2 for butt joint ring flange 1 displacement through eccentricity adjusting bolt 3, the displacement precision is high, and the regulation and control is convenient, and the eccentricity of acquireing is accurate, and the adjustment is efficient, convenient operation, and the rigidity is good.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides an eccentric anchor clamps structure of using on lathe, includes that the butt joint ring flange that assembles together back to back and removal dish to and install the eccentricity adjusting bolt between butt joint ring flange and removal dish, its characterized in that:
the butt joint flange plate comprises a convex ring part and a disc part which are integrally formed, a guide rail is vertically arranged on the side surface of the butt joint flange plate facing the movable disc in a protruding mode, and the guide rail is located at the lower position of the side surface of the butt joint flange plate; the butt joint flange plate is also fixedly provided with a first mounting plate, the first mounting plate and the guide rail have the same width and are positioned right above the guide rail at intervals, and a first mounting hole is formed in the first mounting plate;
a sliding groove is formed in the side face, facing the butt joint flange plate, of the moving plate, vertically penetrates through the side wall of the moving plate and is matched with the guide rail, a second mounting plate is fixedly arranged at the upper end inside the sliding groove and is opposite to the first mounting plate, and the horizontal height of the second mounting plate is lower than that of the first mounting plate; a second mounting hole is formed in the second mounting plate, and internal threads are formed in the inner wall of the second mounting hole;
and the eccentricity adjusting bolt is arranged in the first mounting hole and the second mounting hole.
2. The eccentric jig structure for machine tools according to claim 1, wherein: and one end of the eccentricity adjusting bolt is provided with an annular clamping groove, the other end of the eccentricity adjusting bolt is provided with an external thread, the eccentricity adjusting bolt is rotatably clamped in the first mounting hole through the annular clamping groove, the eccentricity adjusting bolt penetrates through the second mounting hole, and the external thread on the eccentricity adjusting bolt is matched with the internal thread of the second mounting hole.
3. The eccentric jig structure for machine tools according to claim 2, wherein: two runway-shaped guide holes are further formed in the disc portion of the butt joint flange plate, and the two runway-shaped guide holes are vertically arranged and symmetrically located on two sides of the guide rail.
4. An eccentric clamp structure for machine tool according to claim 3, wherein: the movable plate is further fixedly provided with two guide rods, the two guide rods are symmetrically located on two sides of the sliding groove, the tail ends of the two guide rods are provided with threads, and the two guide rods on the movable plate correspond to the two runway-shaped guide holes in the butt joint flange plate respectively.
5. The eccentric jig structure for machine tools according to claim 4, wherein: the movable disc is also provided with a plurality of counter bores which are uniformly distributed along the edge circumference of the movable disc, and the counter bores are internally provided with butt bolts.
6. The eccentric jig structure for machine tools according to claim 4, wherein: the convex ring part of the butt joint flange plate protrudes towards the direction of a machine tool rotating shaft, and internal threads are arranged on the inner wall of the convex ring part.
7. The eccentric jig structure for machine tools according to claim 4, wherein: when the butt joint flange plate and the movable plate are assembled together back to back, the first mounting plate is transversely embedded into the sliding groove, and the second mounting plate is positioned under the first mounting plate at intervals.
8. The eccentric jig structure for machine tools according to claim 4, wherein: and a hexagonal inner groove is also formed in the top surface of the eccentricity adjusting bolt.
9. The eccentric jig structure for machine tools according to claim 4, wherein: the length of the guide rail is smaller than the radius of the disk part of the butt joint flange plate.
10. The eccentric jig structure for machine tools according to claim 5, wherein: the number of the counter bores is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193544.8U CN213289511U (en) | 2020-09-29 | 2020-09-29 | Eccentric fixture structure for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193544.8U CN213289511U (en) | 2020-09-29 | 2020-09-29 | Eccentric fixture structure for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213289511U true CN213289511U (en) | 2021-05-28 |
Family
ID=76010903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022193544.8U Expired - Fee Related CN213289511U (en) | 2020-09-29 | 2020-09-29 | Eccentric fixture structure for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213289511U (en) |
-
2020
- 2020-09-29 CN CN202022193544.8U patent/CN213289511U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |