CN213052784U - Tool capable of being finely adjusted - Google Patents
Tool capable of being finely adjusted Download PDFInfo
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- CN213052784U CN213052784U CN202022117944.0U CN202022117944U CN213052784U CN 213052784 U CN213052784 U CN 213052784U CN 202022117944 U CN202022117944 U CN 202022117944U CN 213052784 U CN213052784 U CN 213052784U
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Abstract
The utility model discloses a finely adjustable cutter, wherein all cutter bars are uniformly distributed on the end surface of a cutter head along the circumferential direction to form a circular ring structure, and the finely adjustable cutter also comprises a wedge block and a plurality of gaskets with different thickness specifications; a mounting groove is formed in the outer wall of the cutter head and close to the end face, and a wedge block is arranged on the inner wall of the bottom end of the mounting groove in the axial direction of the cutter head; a gasket with a thickness specification is arranged on the inner wall of the bottom end of the mounting groove along the radial direction of the cutter head; the bottom end surface of the cutter bar is an inclined surface and is matched with the inclined surface of the wedge-shaped block; the top end of the cutter bar is used for mounting cutter teeth, and the inner side wall of the cutter bar is in pressing contact with the gasket; the inclined surfaces of the wedge-shaped block and the cutter bar are opposite in inclination direction and are in the radial direction of the cutter head. The utility model discloses can realize that the sword tooth radially and the axial carries out flying cutter dish of finely tuning, a feed realizes rough machining, semi-finishing and the finish machining of a certain working face of polygon laser scanning mirror, realizes the high-efficient high accuracy processing of polygon laser scanning commentaries on classics mirror.
Description
Technical Field
The utility model relates to an ultra-precision machining field, concretely relates to can finely tune cutter.
Background
Polygonal laser scanning mirrors are widely used in the field of laser high-speed scanning, and are key parts of devices such as automatic driving laser radars, laser printers, laser marking machines, laser drilling machines, laser cutting machines, laser welding machines, biomedical imaging equipment, micro-machining equipment, laser additive manufacturing equipment and the like. Shown in fig. 1 are several typical polygonal laser scanning mirrors. Polygonal laser scanning mirrors have become a core part of the next generation of high-speed scanning technology.
The machining of the polygon scanning mirror is currently generally realized by a traditional polishing method and single-point diamond turning, and the two methods have advantages and disadvantages respectively. Wherein, the surface roughness of the scanning mirror processed by the traditional polishing method is lower, and the surface roughness after polishing can be reduced toHowever, the polishing method has a limited range of materials, for example, the polishing method cannot be directly used for processing an aluminum mirror, and since the surface of the aluminum mirror is very sensitive to scratches during the polishing process, although a new polishing method is developed for the aluminum mirror, the material removal efficiency is still low. Compared with the traditional polishing method, the single-point diamond turning method has higher mirror surface roughness after processing, and the surface roughness value of the processed scanning mirror is generally larger than that of the processed scanning mirrorBut the single-point diamond machining efficiency is very high, and the single-point diamond machining method is very suitable for machining materials such as aluminum, copper and plastics. Therefore, single-point diamond turning is a main method for machining a polygonal laser scanning mirror, and for example, toshiba machinery corporation develops special cutting equipment for machining the polygonal laser scanning mirror to realize efficient and high-precision machining thereof. Machining of polygonal turning mirrors was also accomplished using single point diamond turning Technology, Symons Mirror Technology, uk. The specific technical details of the diamond turning process of the polygon scanning mirror of two companies are not reported in public.
However, the efficiency of conventional polishing methods and single point diamond turning processes still needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the machining efficiency of the working face of the traditional multi-deformation scanning mirror is remained to be improved, the utility model provides a tool capable of finely adjusting which solves the above problems.
The utility model discloses a following technical scheme realizes:
a fine-adjustable cutter comprises a cutter head, wherein a plurality of cutter bars are arranged on the cutter head, all the cutter bars are uniformly distributed on the end surface of the cutter head along the circumferential direction to form a circular ring structure, and the fine-adjustable cutter also comprises a wedge block and a plurality of gaskets with different thickness specifications; a mounting groove is formed in the outer wall of the cutter head and close to the end face, and a wedge block is arranged on the inner wall of the bottom end of the mounting groove in the axial direction of the cutter head; a gasket with a thickness specification is arranged on the inner wall of the bottom end of the mounting groove along the radial direction of the cutter head; the bottom end face of the cutter bar is an inclined plane, and the inclined plane at the bottom end of the cutter bar is matched with the inclined plane of the wedge-shaped block; the top end of the cutter bar is used for mounting cutter teeth, and the inner side wall of the cutter bar is in pressing contact with the gasket; the inclined surfaces of the wedge-shaped block and the cutter bar are opposite in inclination direction and are in the radial direction of the cutter head; the wedge passes through the regulating part effect, realizes that the radial reciprocating motion along the blade disc drives in the mounting groove, realizes adjusting the ascending size of height of cutter arbor in the axial of blade disc.
In order to improve the processing efficiency of the working surface of the polygon scanning mirror, the utility model provides a finely adjustable fly-cutting cutter disc for the high-efficiency and high-precision processing of the polygon laser scanning mirror, which is a fly-cutting cutter disc capable of realizing the fine adjustment of cutter teeth in the radial direction and the axial direction; by using the fly-cutting cutter disc, rough machining, semi-finish machining and finish machining of a certain working surface of the polygonal laser scanning mirror can be realized by once adjusting the relative pose of the cutter teeth and once feeding, the existing machining method that multiple times of feeding is needed for rough machining, semi-finish machining and finish machining is replaced, and finally high-efficiency and high-precision machining of the polygonal laser scanning rotating mirror is realized.
The utility model provides a through the innovative design cutting tool to realize that thick/semi-essence/finish machining process is integrated, the thick/semi-essence/finish machining of scanning mirror is accomplished to a feed. In order to complete the rough/semi-fine/fine machining of the polygonal laser scanning mirror by one-time feeding, at least three different cutter teeth are required to be arranged on the same cutter body and are respectively used for the rough/semi-fine/fine machining of the scanning mirror. Because the rough cutting depth, the semi-fine cutting depth and the finish cutting depth are different, the height difference exists between the cutter teeth in the cutting depth direction, and therefore the designed cutter needs to realize the adjustable height difference between the cutter teeth. All cutter tooth feed rates are the same due to the use of a uniform cutter body, but the radial cutting depth of the cutter teeth for semi-finishing cannot exceed that of the cutter teeth for rough machining, and similarly, the radial cutting depth of the cutter teeth for finishing cannot exceed that of the cutter teeth for semi-finishing. Therefore, the cutter teeth of the designed cutter are required to be adjustable in the radial direction. The utility model discloses the theory of operation does:
adjusting the radial cutting depth of the cutter teeth: the adjustment is realized by the matching of the selection of the gasket and the wedge-shaped block. Selecting a gasket with a proper thickness specification, wherein the larger the thickness of the gasket is, the farther the distance between the cutter bar and the axis of the cutter disc is in the radial direction of the cutter disc; the smaller the thickness of the gasket is, the closer the distance between the cutter bar and the axis of the cutter disc is in the radial direction of the cutter disc; in order to ensure the contact and adaptation of the inclined surface of the wedge block and the inclined surface of the bottom end of the cutter rod, the position of the wedge block needs to be correspondingly adjusted.
Adjusting the height of the cutter teeth in the depth cutting direction: the position of the wedge-shaped block is adjusted. Taking the example that the inclined plane of the wedge-shaped block inclines downwards towards the center of the cutter head along the radial direction of the cutter head, the inclined plane at the bottom end of the cutter rod inclines upwards towards the center of the cutter head along the radial direction of the cutter head; the wedge block moves towards the center of the cutter head by adjusting the position of the wedge block in the radial direction of the cutter head, the inclined surface of the wedge block interacts with the inclined surface at the bottom end of the cutter bar to jack the cutter bar upwards, and the position of cutter teeth arranged at the top end of the cutter bar is increased; on the contrary, the wedge block moves back to the center of the cutter head by adjusting the radial position of the wedge block along the cutter head, the inclined surface of the wedge block interacts with the inclined surface at the bottom end of the cutter rod, the cutter rod moves downwards under the action of the gravity of the cutter rod, and the position of the cutter teeth arranged at the top end of the cutter rod is adjusted to be low. After the position of the cutter bar is adjusted, the cutter bar is fixed on the cutter head.
Preferably, the cutter head is provided with at least three cutter bars, and all the cutter bars are arranged on the end surface of the cutter head at equal intervals along the circumferential direction and are in a circular structure; each cutter bar is used for mounting a cutter tooth.
The number of the cutter bars on the cutter head can be set according to the machining requirements, and rough machining and finish machining can be completed at the same time, or rough machining, semi-finish machining and finish machining can be completed at the same time. For the guarantee cutter is balanced at cutting in-process atress, the utility model discloses preferred design blade disc is the disc, and the cutter arbor is equidistant distribution on the blade disc.
Further preferably, the adjusting piece comprises a screw III, and the wedge block is fixed in the mounting groove through the screw III; one end of the screw III is in threaded connection with the inner wall of the mounting groove after penetrating through the wedge block.
The wedge-shaped block is adjusted in position through the threaded connection structure of the screw, and the wedge-shaped block adjusting device is simple in structure and convenient to operate.
Further preferably, the cutter bar is pressed and fixed in the mounting groove through a screw II.
The utility model discloses the cutter arbor is installed in the mounting groove of blade disc through can becoming flexible and fixed structure, can realize that the cutter arbor is fixed on the blade disc in the course of working, simultaneously, convenient not hard up cutter arbor in accommodation process, removes the position of cutter arbor. This embodiment uses a threaded connection.
Further preferably, the screwdriver further comprises a screwdriver tooth, wherein the screwdriver tooth is provided with a mounting hole, and the screwdriver tooth penetrates through the mounting hole through a screw I and then is in threaded connection with the top end of the screwdriver rod.
The cutter teeth are used for turning the working surface of the polygonal scanning mirror.
Further preferably, the cutter head is of a cylindrical structure; the outer circumference lateral wall of blade disc is equipped with a plurality of regulation holes, and all regulation holes are along blade disc circumference evenly distributed, and the regulation hole is used for installing the counterweight.
The utility model discloses a be equipped with a plurality of regulation holes on the outer circumference lateral wall of blade disc for the installation of balancing weight, thereby the dynamic balance characteristic that realizes flying to cut the blade disc is adjusted.
The utility model discloses have following advantage and beneficial effect:
the utility model provides a finely adjustable fly-cutting cutter disc for high-efficiency and high-precision machining of polygonal laser scanning mirrors, which is a fly-cutting cutter disc capable of realizing fine adjustment of cutter teeth in radial and axial directions; by using the fly-cutting cutter disc, rough machining, semi-finish machining and finish machining of a certain working surface of the polygonal laser scanning mirror can be realized by once adjusting the relative pose of the cutter teeth and once feeding, the existing machining method that multiple times of feeding is needed for rough machining, semi-finish machining and finish machining is replaced, and finally high-efficiency and high-precision machining of the polygonal laser scanning rotating mirror is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a view of a polygon laser scanning mirror structure; wherein fig. 1(a) shows an octagonal laser scanning mirror; fig. 1(b) shows a pentagonal laser scanning mirror, a shows a working surface, and fig. 1(c) shows polygonal laser scanning mirrors in various forms.
FIG. 2 is a schematic diagram of the operation of a polygon laser scanning mirror; where B denotes a start scanning position and C denotes an incident ray.
Fig. 3 is a schematic view of the three-dimensional structure of the fine-tunable tool of the present invention.
Fig. 4 is a schematic view of the cutter bar structure of the present invention.
FIG. 5 is a three-dimensional view of the tool of the present invention; fig. 5(a) shows a front view, fig. 5(b) shows a side view, and fig. 5(c) shows a bottom view.
Reference numbers and corresponding part names in the drawings: 1-cutter mounting hole, 2-cutter tooth, 3-screw I, 4-screw II, 5-cutter, 6-cutter bar, 7-bevel block, 8-screw III, 9-adjusting hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
The present embodiment provides a tool capable of fine adjustment, which, as shown in fig. 3, includes a cutter head 5, and the cutter head 5 is a disk structure. The cutter head 5 is provided with four cutter bars 6, all the cutter bars 6 are uniformly distributed on the end surface of the cutter head 5 at equal intervals along the circumferential direction to form a circular ring structure, the cutter head further comprises wedge blocks 7 and a plurality of gaskets with different thickness specifications, and the distance between the cutter bars 6 and the cutter teeth 2 to the axis of the cutter head 5 is adjusted through the gaskets. A mounting groove is formed in the outer wall of the cutter head 5 and close to the end face, and a wedge block 7 is arranged on the inner wall of the bottom end of the mounting groove in the axial direction of the cutter head 5; and a gasket with a thickness specification is arranged on the inner wall of the bottom end of the mounting groove along the radial direction of the cutter head 5.
The end face of the bottom of the cutter bar 6 is an inclined plane, the inclined plane is a plane with a certain inclination, as shown in fig. 4, and the inclined plane at the bottom end of the cutter bar 6 is matched with the inclined plane of the wedge block 7; the top end of the cutter bar 6 is used for installing the cutter teeth 2, and the inner side wall of the cutter bar 6 is in compression contact with the gasket. The inclined surfaces of the block 7 and the cutter bar 6 are opposite in inclination direction and are in the radial direction of the cutter head 5; wedge 7 passes through the regulating part effect, realizes that the radial reciprocating motion along blade disc 5 drives in the mounting groove, realizes adjusting the ascending size of height of cutter arbor 6 in the axial of blade disc 5.
The wedge block 7 extrudes the inclined plane of the cutter bar 6 by adjusting the radial distance of the wedge block 7 along the cutter head 5, so that the cutter bar 6 moves along the axial direction of the cutter head 5, the height of the cutter point is adjusted, after the height is adjusted, the cutter bar 6 is fixed in the installation groove, and the height difference among the cutter point can be adjusted by adjusting the position of the wedge block corresponding to each cutter bar 6.
Example 2
Further improve on embodiment 1's basis, be equipped with four cutter arbor 6 on blade disc 5, all cutter arbor 6 are arranged along circumference equidistant and are the ring structure on the terminal surface of blade disc 5, and every cutter arbor 6 is gone up and is installed a sword tooth 2, runs through screw I3 behind the mounting hole with cutter arbor 6 top threaded connection.
The adjusting piece adopts a screw III8, and the wedge block 7 is fixed in the mounting groove through a screw III 8; one end of the screw III8 penetrates through the wedge block 7 and then is in threaded connection with the inner wall of the mounting groove. The cutter bar 6 is pressed and fixed in the mounting groove through a screw II 4.
Example 3
The improved structure is further improved on the basis of the embodiment 1, a plurality of adjusting holes 9 are formed in the side wall of the outer circumference of the cutter head 5, all the adjusting holes 9 are distributed at equal intervals along the circumferential direction of the cutter head 5, and the adjusting holes 9 are used for installing a balance weight.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A cutter capable of being finely adjusted comprises a cutter head (5), wherein a plurality of cutter bars (6) are arranged on the cutter head (5), and all the cutter bars (6) are uniformly distributed on the end surface of the cutter head (5) along the circumferential direction to form a circular ring structure, and the cutter is characterized by further comprising a wedge-shaped block (7) and a plurality of gaskets with different thickness specifications;
an installation groove is formed in the outer wall of the cutter head (5) and is close to the end face, and a wedge block (7) is arranged on the inner wall of the bottom end of the installation groove in the axial direction of the cutter head (5); a gasket with a thickness specification is arranged on the inner wall of the bottom end of the mounting groove along the radial direction of the cutter head (5);
the bottom end face of the cutter bar (6) is an inclined plane, and the inclined plane at the bottom end of the cutter bar (6) is matched with the inclined plane of the wedge-shaped block (7); the top end of the cutter bar (6) is used for mounting the cutter teeth (2), and the inner side wall of the cutter bar (6) is in compression contact with the gasket;
the inclined surfaces of the wedge-shaped block (7) and the cutter bar (6) are opposite in inclined direction and are in the radial direction of the cutter head (5); wedge (7) are through the regulating part effect, realize in the mounting groove along the radial reciprocating motion drive of blade disc (5), realize adjusting the size of height of cutter arbor (6) in the axial of blade disc (5).
2. The fine-adjustable cutter according to claim 1, wherein the cutter head (5) is provided with at least three cutter bars (6), and all the cutter bars (6) are circumferentially arranged on the end surface of the cutter head (5) at equal intervals to form a circular ring structure; each cutter bar (6) is used for mounting one cutter tooth (2).
3. A tool according to claim 1, wherein the adjustment member comprises a screw III (8), the wedge block (7) being secured in the mounting groove by means of the screw III (8); one end of the screw III (8) is in threaded connection with the inner wall of the mounting groove after penetrating through the wedge block (7).
4. A tool with fine adjustment according to claim 1, characterized in that the shank (6) is held in the mounting groove by a screw II (4) in a compressed manner.
5. The tool with the fine adjustment function as claimed in claim 1, further comprising a cutter tooth (2), wherein a mounting hole is formed in the cutter tooth (2), and a screw I (3) penetrates through the mounting hole and then is in threaded connection with the top end of the cutter rod (6).
6. A tool according to claim 1, characterized in that the cutter head (5) is of cylindrical configuration; the outer circumference lateral wall of blade disc (5) is equipped with a plurality of regulation holes (9), and all regulation holes (9) are along blade disc (5) circumference evenly distributed, and regulation hole (9) are used for installing the counterweight.
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CN202022117944.0U CN213052784U (en) | 2020-09-24 | 2020-09-24 | Tool capable of being finely adjusted |
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CN202022117944.0U CN213052784U (en) | 2020-09-24 | 2020-09-24 | Tool capable of being finely adjusted |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114055650A (en) * | 2021-11-26 | 2022-02-18 | 中国工程物理研究院机械制造工艺研究所 | Fly-cutting cutter disc and ultra-precise plane machining method |
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2020
- 2020-09-24 CN CN202022117944.0U patent/CN213052784U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114055650A (en) * | 2021-11-26 | 2022-02-18 | 中国工程物理研究院机械制造工艺研究所 | Fly-cutting cutter disc and ultra-precise plane machining method |
CN114055650B (en) * | 2021-11-26 | 2023-08-01 | 中国工程物理研究院机械制造工艺研究所 | Fly cutter head and ultra-precise plane machining method |
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