CN114043265A - Quick replacement's flexible adaptation positioner at zero point - Google Patents
Quick replacement's flexible adaptation positioner at zero point Download PDFInfo
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- CN114043265A CN114043265A CN202111392617.9A CN202111392617A CN114043265A CN 114043265 A CN114043265 A CN 114043265A CN 202111392617 A CN202111392617 A CN 202111392617A CN 114043265 A CN114043265 A CN 114043265A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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Abstract
The invention relates to a quick-replaceable flexible adaptive zero point positioning device, which comprises a positioning base, a positioning cover plate, a pull nail, a clamping mechanism, a positioning block, a fixing screw and a plurality of positioning discs with different diameters, wherein the positioning discs are coaxially and fixedly connected with the pull nail, the upper end surface of the positioning cover plate is provided with a lower positioning groove which linearly extends along the radial direction of a central taper hole, two side surfaces of the lower positioning groove are inclined planes and incline outwards, the bottom of the lower positioning groove is provided with a plurality of fixing threaded holes along the length direction of the lower positioning groove, the lower end surface of the positioning disc is provided with an upper positioning groove which linearly extends along the radial direction, two side surfaces of the upper positioning groove are inclined planes and incline outwards, and the upper positioning groove corresponds to the lower positioning groove; the positioning block comprises a lower positioning part and an upper positioning part, the lower positioning part is installed in the lower positioning groove and is attached to the lower positioning groove, the upper positioning part is installed in the upper positioning groove, and two side surfaces of the upper positioning part and the lower positioning part are respectively attached to each other; the fixing screw penetrates through the positioning block and is screwed into the fixing threaded hole.
Description
Technical Field
The invention relates to the field of high-end processing and manufacturing equipment, in particular to a flexible adaptive zero point positioning device capable of being quickly replaced.
Background
In the part machining production, the clamp can not be used in a common machine tool or a machining center. The reasonability and reliability of the clamping system directly influence the processing efficiency of a machine tool and the manufacturing quality of products. In the traditional machining process, parts need to be detached and replaced during machining in different procedures, the process needs to clamp and align the positions of the parts again, machining efficiency is not high, clamping and aligning time is shortened, and the key factor for improving the machining efficiency of the parts is achieved.
Along with the development of high-end processing and manufacturing equipment, the requirement on a clamping system is higher and higher, and the zero point positioning device can realize the unification of part references among multiple processes, so that the clamping auxiliary time can be reduced, and the processing efficiency of parts is improved. The basic base of the zero point positioning device is arranged on a machine tool or a detection device, the upper part matched with the base is connected with a special fixture for a universal fixture for holding parts, and the parts are arranged on the corresponding fixtures. Thus, the parts are kept from one process to another, from one station to another, or from one machine to another, sharing the same reference, under the cooperation of the fixture and the zero point positioning device. However, the existing zero point positioning device still has certain limitations, and is difficult to meet the development requirements of high-end processing and manufacturing equipment. When the production task requirements of customization, multiple varieties and small batch are met, the problems of poor flexibility, low standardization degree and the like existing in the traditional production line are particularly obvious, and further bottlenecks of unbalanced productivity, low equipment utilization rate, poor processing quality and the like are caused.
Disclosure of Invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a quick-replaceable flexible adaptive zero point positioning device, which is used for clamping and positioning parts of different sizes, so as to meet the requirements for processing and mounting parts in a larger size range, achieve flexible adaptation for processing and clamping parts of multiple sizes, shorten the time for clamping, positioning and replacing parts, and effectively improve the efficiency of production and manufacturing.
In order to achieve the above object, the present invention provides a quick-replaceable flexible adaptive zero point positioning device, which comprises a positioning base, a positioning cover plate, a pull nail, a clamping mechanism, a positioning block, a fixing screw, and a plurality of positioning discs with different diameters, wherein the positioning cover plate is fixed on the positioning base, a central conical hole is formed in the positioning cover plate, the clamping mechanism is arranged in the positioning base and the positioning cover plate, the pull nail is inserted into the central conical hole and clamped by the clamping mechanism, the positioning block is coaxially fixed with the pull nail, the upper end surface of the positioning cover plate is provided with a lower positioning groove extending along the radial straight line of the central conical hole, two side surfaces of the lower positioning groove are inclined planes and inclined outwards, the bottom of the lower positioning groove is provided with a plurality of fixing threaded holes along the length direction thereof, the lower end surface of the positioning disc is provided with an upper positioning groove extending along the radial straight line, and two side surfaces of the upper positioning groove are inclined planes and inclined outwards, the upper positioning groove corresponds to the lower positioning groove; the positioning block comprises a lower positioning part and an upper positioning part, the lower positioning part is arranged in the lower positioning groove, the bottom surface and two side surfaces of the lower positioning part are respectively attached to the bottom surface and two side surfaces of the lower positioning groove, the upper positioning part is arranged in the upper positioning groove, and two side surfaces of the upper positioning part are respectively attached to two side surfaces of the upper positioning groove; the fixing screw penetrates through the positioning block and is screwed into the fixing threaded hole.
Furthermore, a plurality of countersunk through holes are formed in the positioning block, and the fixing screws are located in the countersunk through holes. In
Furthermore, the locating cover plate upper end face is provided with a plurality of lower locating grooves, the locating plate lower end face is also provided with a plurality of upper locating grooves, and the upper locating grooves correspond to the lower locating grooves one to one.
Further, a plurality of lower constant head tanks on the location apron are along central taper hole circumference evenly distributed.
Furthermore, a first positioning surface is arranged at the upper end of the positioning cover plate, a second positioning surface opposite to the first positioning surface is arranged at the lower end of the positioning disc, and when the blind rivet is clamped in the positioning cover plate, the first positioning surface is tightly attached to the second positioning surface.
Furthermore, a positioning boss is arranged at the upper end of the positioning cover plate, and the upper end face of the positioning boss forms a first positioning face.
Furthermore, a detection air channel is arranged in the positioning cover plate, a detection air hole is arranged on the first positioning surface of the positioning boss, and the detection air hole is communicated with the detection air channel.
Furthermore, a plurality of positioning reference circles which are concentric with the center of the central taper hole and have different diameters are arranged on the positioning cover plate, a positioning boss is arranged on each positioning reference circle, and the positioning bosses on the different positioning reference circles are used for being matched with second positioning surfaces of positioning discs with different radius sizes; the positioning cover plate is internally provided with a plurality of mutually independent detection air passages, the detection air holes of the positioning bosses positioned on the same positioning reference circle are communicated with the same detection air passage, and the detection air holes of the positioning bosses positioned on different positioning reference circles are communicated with different detection air passages.
Furthermore, a plurality of positioning bosses are uniformly distributed on each positioning reference circle.
Preferably, an I-shaped groove and a cutting plane are formed in the outer side face of the positioning disc.
As described above, the flexible adaptive zero point positioning device according to the present invention has the following advantages:
through setting up locating piece, set screw and a plurality of different diameter size's positioning disk, during the use, will be to the part of different sizes, the positioning disk of the different diameter sizes of selectable is installed fixedly. The positioning disc and the blind rivet are coaxially and fixedly connected, the blind rivet is inserted into the central taper hole, the circumferential positioning of the positioning disc is carried out through the upper positioning groove, the positioning block and the lower positioning groove, the tight fit and the accurate positioning are realized, then the clamping mechanism is utilized to clamp the blind rivet, and the positioning and the clamping of the positioning disc on the positioning base are completed. And for positioning discs with different diameters and sizes, a plurality of positioning positions can be formed only by adjusting the positions of the positioning blocks in the lower positioning grooves, so that the positioning positions are matched with the upper positioning grooves of the positioning discs with different diameters and sizes. The flexible adaptation zero point positioning device can select different positioning discs aiming at parts with different sizes, realizes quick and accurate positioning of the positioning discs with various sizes and models through the matching of the positioning block and the positioning cover plate, ensures the processing and mounting requirements of the parts in a larger size range, realizes flexible adaptation of processing and clamping of parts with multiple sizes, achieves the flexible adaptation function of the parts with multiple sizes, can shorten the time for clamping, positioning and replacing the parts, and effectively improves the production and manufacturing efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a flexible adaptive zero point positioning device of the present invention.
Fig. 2 is a schematic structural view of the positioning cover plate in the present invention.
Fig. 3 is a schematic structural diagram of a positioning block in the present invention.
Fig. 4 is a schematic structural diagram of the positioning plate of the present invention.
Fig. 5 is a schematic structural diagram of the clamping mechanism in the present invention.
Description of the element reference numerals
1 positioning base
2 positioning cover plate
21 central taper hole
22 lower positioning groove
23 first positioning surface
24 detection vent
25 positioning boss
3 locating block
31 lower positioning part
32 upper positioning part
33 countersunk through hole
4-pulling nail
5 positioning plate
51 upper positioning groove
52 second locating surface
53 connecting threaded hole
54H-shaped groove
55 plane of cutting
6 piston
7 clamping spring
8 supporting table
9 Steel ball
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather by the claims. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof may be regarded as the scope of the present invention without substantial changes in the technical contents.
Referring to fig. 1 to 5, the invention provides a quick-replaceable flexible adaptive zero point positioning device, which comprises a positioning base 1, a positioning cover plate 2, a pull stud 4 and a clamping mechanism, wherein the positioning cover plate 2 is fixed on the positioning base 1, a central taper hole 21 is arranged in the positioning cover plate 2, the clamping mechanism is arranged in the positioning base 1 and the positioning cover plate 2, the pull stud 4 is inserted into the central taper hole 21 and is clamped by the clamping mechanism, the quick-replaceable flexible adaptive zero point positioning device further comprises a positioning block 3, a fixing screw (not shown in the drawings) and a plurality of positioning discs 5 with different diameters and sizes, the positioning discs 5 are coaxially and fixedly connected with the pull stud 4, the positioning discs 5 are used for positioning and mounting parts, a lower positioning groove 22 linearly extending along the radial direction of the central taper hole 21 is arranged on the upper end face of the positioning cover plate 2, two side faces of the lower positioning groove 22 are inclined planes and are inclined outwards, namely the groove mouth of the lower positioning groove 22 is wide and the groove bottom is narrow, a plurality of fixing threaded holes (not shown in the drawings) are arranged on the bottom of the lower positioning groove 22 along the length direction, the lower end surface of the positioning disc 5 is provided with an upper positioning groove 51 which linearly extends along the radial direction, and two side surfaces of the upper positioning groove 51 are inclined planes and incline outwards, namely the groove opening is wide and the groove bottom is narrow; the positioning block 3 comprises a lower positioning portion 31 and an upper positioning portion 32, the lower positioning portion 31 is installed in the lower positioning groove 22, the bottom surface and two side surfaces of the lower positioning portion 31 respectively abut against the bottom surface and two side surfaces of the lower positioning groove 22, that is, two side edges of the lower positioning portion 31 are inclined surfaces, the upper positioning portion 32 is installed in the upper positioning groove 51, and two side surfaces of the upper positioning portion 32 respectively abut against two side surfaces of the upper positioning groove 51, that is, two side edges of the upper positioning portion 32 are inclined surfaces; the fixing screw penetrates through the positioning block 3 and is screwed into the fixing threaded hole. Wherein, there is the micro interference between the two sides of the lower positioning portion 31 of the positioning block 3 and the two sides of the lower positioning slot 22, and there is the micro interference between the two sides of the upper positioning portion 32 and the two sides of the upper positioning slot 51, so as to ensure the complete fit during the assembly. In this embodiment, a plurality of positioning plates 5 with different diameters and different sizes can have the same size of upper positioning slot 51 for holding different sizes of parts, so as to cooperate with the positioning block 3.
The basic working principle of the flexible adaptive zero point positioning device provided by the invention is as follows: when the positioning plate is used, the positioning plates 5 with different diameters can be selected to be installed and fixed aiming at parts with different sizes. The positioning disc 5 and the blind rivet 4 are coaxially and fixedly connected, the blind rivet 4 is inserted into the central taper hole 21, the circumferential positioning of the positioning disc 5 is carried out through the upper positioning groove 51, the positioning block 3 and the lower positioning groove 22, tight fit and accurate positioning are realized, specifically, the lower positioning part 31 of the positioning block 3 is installed at a proper position in the lower positioning groove 22, the bottom surfaces and the side surfaces of the positioning disc 5 and the locating block are kept tightly attached, the positioning block 3 is fixed in the lower positioning groove 22 through a fixing bolt, then the corresponding upper positioning groove 51 on the positioning disc 5 is clamped on the upper positioning part 32 of the positioning block 3, two side surfaces of the positioning disc 5 and the locating block are kept attached, the circumferential positioning of the positioning disc 5 can be completed, and then the blind rivet 4 is clamped through a clamping mechanism, so that the positioning clamping of the positioning disc 5 on the positioning base 1 is completed. Moreover, for positioning discs 5 with different diameters, a plurality of positioning positions can be formed by only adjusting the positions of the positioning blocks 3 in the lower positioning grooves 22, so that the positioning positions are matched with the upper positioning grooves 51 of the positioning discs 5 with different diameters, and the positioning discs 5 with different diameters can be accurately positioned.
The flexible adaptive zero point positioning device can select different positioning discs 5 aiming at parts with different sizes, realizes quick and accurate positioning of the positioning discs 5 with various sizes and models through the matching of the positioning block 3 and the positioning cover plate 2, ensures the processing and mounting requirements of parts in a larger size range, realizes flexible adaptation of processing and clamping of parts with multiple sizes, achieves the flexible adaptation function of the parts with multiple sizes, can shorten the time for clamping and positioning and replacing, and effectively improves the production and manufacturing efficiency.
Referring to fig. 1 to 5, the present invention is further illustrated in a specific embodiment as follows:
in the present embodiment, referring to fig. 2, 3 and 4, as a preferred design, the positioning block 3 is provided with a plurality of countersunk through holes 33, and the fixing screws are located in the countersunk through holes 33 and do not exceed the positioning block 3, so that the matching between the upper positioning portion 32 of the positioning block 3 and the upper positioning groove 51 is not affected. In the present embodiment, the cross-sectional shapes of the upper positioning groove 51 and the lower positioning groove 22 are both isosceles trapezoids, that is, both side surfaces are symmetrical, and correspondingly, the cross-sectional shapes of the upper positioning portion 32 and the lower positioning portion 31 are also isosceles trapezoids, so as to maintain a good fit.
In this embodiment, referring to fig. 2, fig. 3 and fig. 4, as a preferred design, the upper end surface of the positioning cover plate 2 is provided with four lower positioning grooves 22, of course, other numbers are also possible, and preferably, the four lower positioning grooves are uniformly distributed along the circumferential direction of the central taper hole 21 to form a cross distribution, the lower end surface of the positioning plate 5 is also provided with four upper positioning grooves 51, the four upper positioning grooves are uniformly distributed along the circumferential direction of the positioning plate 5 to form a cross distribution, the upper positioning grooves 51 correspond to the lower positioning grooves 22 one to one, and the corresponding upper positioning grooves 51 and the lower positioning grooves 22 are positioned by matching with each other through one positioning block 3. In this way, a better circumferential positioning of the positioning disk 5 on the positioning cover 2 can be achieved.
In the present embodiment, referring to fig. 1, fig. 2 and fig. 4, as a preferred design, the upper end of the positioning cover plate 2 is provided with a first positioning surface 23, the lower end of the positioning plate 5 is provided with a second positioning surface 52 opposite to the first positioning surface 23, and when the blind rivet 4 is clamped in the positioning cover plate 2, the first positioning surface 23 and the second positioning surface 52 are just attached to each other, so as to further ensure the axial positioning of the positioning plate 5 during assembly. Further preferably, in this embodiment, the upper end of the positioning cover plate 2 is provided with a positioning boss 25, the upper end surface of the positioning boss 25 forms the first positioning surface 23, and the first positioning surface 23 is arranged on the positioning boss 25, so that the processing is convenient, and meanwhile, the contact fit between the first positioning surface 23 and the second positioning surface 52 is better ensured during the assembly.
In this embodiment, referring to fig. 2, as a preferred design, a detection air channel (not shown in the drawings) is disposed in the positioning cover plate 2, a detection air hole 24 is disposed on the first positioning surface 23, and the detection air hole 24 is communicated with the detection air channel, and the number of the detection air holes 24 on each positioning boss 25 may be one or more. When the pulling is clamped tightly, the positioning disc 5 is assembled, at the moment, the first positioning surface 23 and the second positioning surface 52 are tightly attached, the detection air hole 24 on the first positioning surface 23 can be blocked, at the moment, the detection air channel is inflated through the detection device, if the air hole 24 has an overlarge air leakage problem, the first positioning surface 23 and the second positioning surface 52 are not tightly attached, the clamping is not performed, if the air leakage or the air leakage is in an allowable range, the clamping is performed, therefore, the detection of the clamping state of the flexible adaptation zero-point positioning device can be conveniently realized, and the working stability of the device is improved.
In this embodiment, referring to fig. 1 and fig. 2, it is further preferable that a plurality of positioning reference circles (virtual circles, non-physical circles, which are only used for positioning reference) concentric with the central tapered hole 21 and having different diameters are arranged on the positioning cover plate 2, and a positioning boss 25 is arranged on each positioning reference circle, and preferably, a plurality of positioning bosses 25 are uniformly distributed on each positioning reference circle to form a circle of positioning bosses 25, referring to the example given in fig. 2, there are two inner and outer circles of positioning bosses 25, and certainly, more than two circles may be arranged; the positioning bosses 25 on the different positioning reference circles are used for matching with the second positioning surfaces 52 of the positioning discs 5 with different radius sizes, and for the positioning discs 5 with different radius sizes, the distances between the second positioning surfaces 52 and the circle centers of the positioning discs 5 are usually different in order to ensure the assembling stability of the positioning discs 5. The positioning cover plate 2 is provided with a plurality of mutually independent detection air paths, the detection air holes 24 of the positioning bosses 25 positioned on the same positioning reference circle are communicated with the same detection air path, and the detection air holes 24 of the positioning bosses 25 positioned on different positioning reference circles are communicated with different detection air paths. Therefore, for positioning discs 5 with different sizes, when the positioning discs are assembled, the second positioning surfaces 52 on the positioning discs can be matched with the positioning bosses 25 of different rings, inflation detection is carried out by utilizing corresponding detection air channels, and the clamping state is judged. In this embodiment, the inner ring has eight positioning bosses 25, and the positioning bosses 25 are trapezoidal and rounded, and the outer ring has four positioning bosses 25, and the positioning bosses 25 are circular for distinction.
In the present embodiment, referring to fig. 1 and 4, it is preferable that a connecting threaded hole 53 is provided in the center of the positioning plate 55, and a bolt is used to pass through the connecting threaded hole 53 to fixedly connect with the blind rivet 4, and to ensure that the central axes of the blind rivet 4 and the positioning plate 5 are coincident. The upper surface of the positioning disk 5 is provided with a threaded hole and a positioning pin hole for fixing a machined part or an auxiliary clamping tool. An I-shaped groove 54 and a cutting plane 55 are formed in the outer side face of the positioning disc 5 and used for being matched with mechanical calipers to carry, and automatic carrying and installation are achieved.
In the present embodiment, referring to fig. 1 and 5, in the present embodiment, the positioning base 1 is provided with threaded holes in a circumferential array manner, and is fixedly connected with the positioning cover plate 2 through bolts. Fixture sets up among location base 1 and location apron 2, in this embodiment, fixture includes clamping spring 7, piston 6, brace table 8, steel ball 9, piston 6 sets up in location base 1, clamping spring 7 is located the piston 6 lower extreme, and the lower extreme butt is on location base 1, location apron 2 is located piston 6 top, sealed air cavity has between location apron 2 and the piston 6, and be equipped with the gas circuit in the location apron 2, can ventilate to sealed air cavity, be equipped with the hole in the middle of the brace table 8, constitute the lower extreme portion of central taper hole 21, be used for rivet 4 to insert. The upper end of the supporting platform 8 is provided with a conical surface, the inner side of the conical surface is high, the outer side of the conical surface is low, the steel balls 9 are located on the conical surface and are arranged in a circumferential array mode, the piston 6 is sleeved on the outer side of the supporting platform 8, the inner side of the piston 6 is provided with a guide inclined surface extending outwards, and the outer side of each steel ball 9 is abutted to the inner side surface of the piston 6. The middle section of the blind rivet 4 is provided with a conical surface matched with the steel ball 9. When the air passage in the positioning cover plate 2 is closed, the clamping spring 7 is utilized to push the piston 6 to move upwards, and the piston 6 drives the steel ball 9 to move inwards on the conical surface at the upper end of the support table 8 and be attached to the conical surface in the middle of the blind rivet 4 when moving upwards, so that the blind rivet 4 is clamped; when the rivet is loosened, when the air passage of the positioning cover plate 2 inflates air to the sealed air cavity, the piston 6 is pushed to descend by high pressure and compress the clamping spring 7, when the piston 6 descends to the position where the guide inclined plane on the inner side of the piston reaches the steel ball 9, the steel ball 9 moves outwards on the conical surface at the upper end of the support table 8 under the action of gravity, and the rivet 4 is loosened. Of course, the clamp mechanism is not limited to the above configuration, and may have another configuration. Furthermore, a pneumatic circuit can be provided inside the positioning base 1 and the positioning cover 2 for cleaning the chips.
From the above, the flexible adaptive zero point positioning device in the present embodiment has the following technical effects: 1. can realize the flexible adaptation of many sizes part, positioning disk 5 and the adaptation of not unidimensional part through not unidimensional, positioning disk 5 then through last constant head tank 51, locating piece 3, down constant head tank 22 realizes closely cooperating and accurate positioning with location apron 2, can form a plurality of locating positions on location apron 2, the positioning disk 5 of the different not unidimensional models of difference adaptation, guarantee the processing installation needs of part in great size scope, realize the flexible adaptation of many sizes parts machining clamping. 2. The axial positioning of the positioning disk 5 during the clamping pulling is realized through the positioning boss 25 on the positioning cover plate 2 and the second positioning surface 52 of the positioning disk 5, and the flexible detection of the clamping state is realized through the detection air hole 24 on the positioning boss 25. 3. Realize the quick replacement of location clamping, through the cooperation of blind rivet 4 with steel ball 9, under the effect of spring and gas circuit pressure, realize the clamping operation of quick clamping, quick release to and through locating piece 3, positioning disk 5 and the cooperation of location apron 2, realize quick replacement locating position. On the premise of ensuring the positioning precision and the clamping force, the time for clamping, positioning and reloading is shortened, and the production and manufacturing efficiency is effectively improved.
The flexible adaptive zero positioning device can be transformed on the existing zero positioning device, so that the flexible adaptive zero positioning device is suitable for flexible production requirements, is flexibly configured in a production line, and becomes an effective mode for realizing lean production and intelligent manufacturing. The problems of poor flexibility, low standardization degree and the like existing in a traditional production line when the production task is required to be customized, diversified and short-period can be solved, the overall performance of the zero point positioning device can be improved, the zero point positioning device becomes an important ring in high-end machine tool equipment, and the overall working efficiency and overall quality of the high-end machine tool equipment are improved.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a quick replacement's flexible adaptation positioner at zero point, includes location base (1), location apron (2), blind rivet (4) and fixture, location apron (2) are fixed on location base (1), be equipped with central taper hole (21) in location apron (2), fixture sets up in location base (1) and location apron (2), blind rivet (4) insert central taper hole (21) and are pressed from both sides tightly its characterized in that by fixture: the rivet fixing device is characterized by further comprising a positioning block (3), a fixing screw and a plurality of positioning discs (5) with different diameters, wherein the positioning discs (5) are coaxially and fixedly connected with the rivet (4), a lower positioning groove (22) which extends along a central taper hole (21) in a radial straight line is formed in the upper end face of the positioning cover plate (2), two side faces of the lower positioning groove (22) are inclined planes and inclined outwards, a plurality of fixing threaded holes are formed in the bottom of the lower positioning groove (22) along the length direction of the lower positioning groove, an upper positioning groove (51) which extends along the radial straight line is formed in the lower end face of the positioning disc (5), two side faces of the upper positioning groove (51) are inclined planes and inclined outwards, and the upper positioning groove (51) corresponds to the lower positioning groove (22); the positioning block (3) comprises a lower positioning part (31) and an upper positioning part (32), the lower positioning part (31) is installed in the lower positioning groove (22), the bottom surface and two side surfaces of the lower positioning part (31) are respectively attached to the bottom surface and two side surfaces of the lower positioning groove (22), the upper positioning part (32) is installed in the upper positioning groove (51), and the two side surfaces of the upper positioning part (32) are respectively attached to the two side surfaces of the upper positioning groove (51); the fixing screw penetrates through the positioning block (3) and is screwed into the fixing threaded hole.
2. The flexible adaptive zero positioning device of claim 1, wherein: the positioning block (3) is provided with a plurality of countersunk through holes (33), and the fixing screws are positioned in the countersunk through holes (33).
3. The flexible adaptive zero positioning device of claim 1, wherein: the locating cover plate (2) upper end face is equipped with a plurality of lower constant head tanks (22), the terminal surface also is equipped with a plurality of last constant head tanks (51) under positioning disk (5), and goes up constant head tank (51) and constant head tank (22) one-to-one down.
4. The flexible adaptive zero positioning device of claim 3, wherein: a plurality of lower positioning grooves (22) on the positioning cover plate (2) are uniformly distributed along the circumferential direction of the central taper hole (21).
5. The flexible adaptive zero positioning device of claim 1, wherein: the positioning cover plate is characterized in that a first positioning surface (23) is arranged at the upper end of the positioning cover plate (2), a second positioning surface (52) opposite to the first positioning surface (23) is arranged at the lower end of the positioning disc (5), and when the blind rivet (4) is clamped in the positioning cover plate (2), the first positioning surface (23) is tightly attached to the second positioning surface (52).
6. The flexible adaptive zero positioning device of claim 5, wherein: the upper end of the positioning cover plate (2) is provided with a positioning boss (25), and the upper end face of the positioning boss (25) forms a first positioning face (23).
7. The flexible adaptive zero positioning device of claim 6, wherein: the positioning cover plate (2) is internally provided with a detection air passage, a first positioning surface (23) of the positioning boss (25) is provided with a detection air hole (24), and the detection air hole (24) is communicated with the detection air passage.
8. The flexible adaptive zero positioning device of claim 7, wherein: a plurality of positioning reference circles which are concentric with the center of the central taper hole (21) and have different diameters are arranged on the positioning cover plate (2), a positioning boss (25) is arranged on each positioning reference circle, and the positioning bosses (25) on the different positioning reference circles are used for being matched with second positioning surfaces (52) of positioning discs (5) with different radius sizes; be equipped with the mutually independent detection gas circuit of multichannel in location apron (2), detection gas pocket (24) that are located the location boss (25) of same location reference circle all communicate with same detection gas circuit, and detection gas pocket (24) and the difference of location boss (25) on the different location reference circles detect the gas circuit and communicate.
9. The flexible adaptive zero positioning device of claim 8, wherein: a plurality of positioning bosses (25) are uniformly distributed on each positioning reference circle.
10. The flexible adaptive zero positioning device of claim 1, wherein: an I-shaped groove (54) and a cutting plane (55) are formed in the outer side surface of the positioning disc (5).
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| CN202111392617.9A CN114043265A (en) | 2021-11-23 | 2021-11-23 | Quick replacement's flexible adaptation positioner at zero point |
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| CN202111392617.9A CN114043265A (en) | 2021-11-23 | 2021-11-23 | Quick replacement's flexible adaptation positioner at zero point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799989A (en) * | 2022-05-28 | 2022-07-29 | 苏州新火花机床有限公司 | Zero point positioning device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204295371U (en) * | 2014-11-21 | 2015-04-29 | 西安斯诺机械智能科技有限公司 | The powerful clamping device of the flexible quick position of mistake proofing |
| JP2016112659A (en) * | 2014-12-17 | 2016-06-23 | 嘉新精密有限公司 | Positioning block structure capable of elastically positioning machining jig |
| CN108067904A (en) * | 2017-12-26 | 2018-05-25 | 台州市黄岩星泰塑料模具有限公司 | Electrode machining fixture |
| CN108466097A (en) * | 2018-06-25 | 2018-08-31 | 王心成 | A kind of robot and the general high-precision quick-changing positioning device of lathe |
| CN109202110A (en) * | 2018-11-20 | 2019-01-15 | 上海麦迅机床工具技术有限公司 | the positioning chuck of automatic processing system |
| CN212217816U (en) * | 2020-03-17 | 2020-12-25 | 盈珈迈精密制造（深圳）有限公司 | Zero positioning system and machining center |
-
2021
- 2021-11-23 CN CN202111392617.9A patent/CN114043265A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204295371U (en) * | 2014-11-21 | 2015-04-29 | 西安斯诺机械智能科技有限公司 | The powerful clamping device of the flexible quick position of mistake proofing |
| JP2016112659A (en) * | 2014-12-17 | 2016-06-23 | 嘉新精密有限公司 | Positioning block structure capable of elastically positioning machining jig |
| CN108067904A (en) * | 2017-12-26 | 2018-05-25 | 台州市黄岩星泰塑料模具有限公司 | Electrode machining fixture |
| CN108466097A (en) * | 2018-06-25 | 2018-08-31 | 王心成 | A kind of robot and the general high-precision quick-changing positioning device of lathe |
| CN109202110A (en) * | 2018-11-20 | 2019-01-15 | 上海麦迅机床工具技术有限公司 | the positioning chuck of automatic processing system |
| CN212217816U (en) * | 2020-03-17 | 2020-12-25 | 盈珈迈精密制造（深圳）有限公司 | Zero positioning system and machining center |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799989A (en) * | 2022-05-28 | 2022-07-29 | 苏州新火花机床有限公司 | Zero point positioning device |
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