CN210281465U - Zero point positioning device - Google Patents
Zero point positioning device Download PDFInfo
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- CN210281465U CN210281465U CN201921127159.4U CN201921127159U CN210281465U CN 210281465 U CN210281465 U CN 210281465U CN 201921127159 U CN201921127159 U CN 201921127159U CN 210281465 U CN210281465 U CN 210281465U
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Abstract
The utility model discloses a positioner at zero point, establish on the base including base, cover jack catch, the driving piece of installing on the base of smooth body, a plurality of circular array on the base terminal surface and install the location axle on the base, between the drive with slide body coupling promote the slide body drive jack catch radial movement in order to press from both sides tight location axle, adjacent install first elastic component between the jack catch, a mounting hole has been seted up on the base, be equipped with the sealing member that is used for the shutoff mounting hole in the mounting hole, the location axle is packed into in the mounting hole and is contacted with the sealing member with the lower pressure sealing member, breaks away from the mounting hole and makes the sealing member resume initial position with the shutoff mounting hole. In this way, the utility model discloses positioner at zero point can prevent effectively that dust and oil from getting into positioner at zero point inside and influencing the operation, improves product life cycle, does not influence the use of product, can improve the efficiency of operation.
Description
Technical Field
The utility model relates to a work piece clamping device technical field especially relates to a positioner at zero point.
Background
The zero point positioning device is a unique positioning and locking device, and can keep a workpiece from one station to another station, from one process to another process, or from one machine tool to another machine tool, and the zero point is always kept unchanged. Therefore, the auxiliary time for re-aligning the zero point can be saved, the working continuity is ensured, and the working efficiency is improved.
The existing zero point positioning device fixes the positioning shaft by using the round ball, the round ball and the positioning shaft are in point contact, and the positioning shaft is poor in stability and easy to loosen.
The product is generally made into 4 groups for use. After the grouping, only 2 are used, and the remaining two may enter dust through the positioning shaft. Resulting in waste inside. The practical performance of the product is affected by the operation, so that the clamping jaw cannot be opened when in use; in addition, the device is not flexible to move left and right when exposed to a severe environment.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides a positioner at zero point, can prevent effectively that dust and oil from getting into positioner at zero point inside and influencing the operation, improves product life cycle, does not influence the use of product, can improve the efficiency of operation.
In order to solve the technical problem, the utility model discloses a technical scheme be: the zero point positioning device comprises a base, a sliding body sleeved on the base, a plurality of clamping jaws of circular arrays on the end face of the base, a driving piece installed on the base and a positioning shaft installed on the base, wherein a driving room is connected with the sliding body to push the sliding body to drive the clamping jaws to move radially so as to clamp the positioning shaft, a first elastic piece is installed between every two adjacent clamping jaws, a mounting hole is formed in the base, a sealing piece used for plugging the mounting hole is arranged in the mounting hole, the positioning shaft is installed in the mounting hole and contacts with the sealing piece to press the sealing piece downwards, and the positioning shaft is separated from the mounting hole so that the sealing piece restores to the initial position so as.
In a preferred embodiment of the present invention, the sealing member is connected to the base through a second elastic member, and the second elastic member pushes the sealing member to reposition to block the mounting hole.
In a preferred embodiment of the present invention, the sealing member is a sealing piston.
In a preferred embodiment of the present invention, the sealing piston includes an upper end and a lower end, the upper end has a positioning groove formed therein for engaging with the lower end of the positioning shaft, the lower end has a receiving hole for receiving the second elastic member, one end of the second elastic member is connected to the top of the receiving hole, and the other end is connected to the base.
In a preferred embodiment of the present invention, the left and right end portions of the jaw have jaw recesses, the outer push surface of the jaw has extension portions toward both ends, the extension portions have extension surfaces connected to the jaw recesses inside, and adjacent to the jaw recesses, the first elastic member is installed therein and is blocked by the extension surfaces to prevent the first elastic member from being displaced.
In a preferred embodiment of the present invention, the extension surface is an inclined surface inclined toward the pushing-out surface of the jaw, and the side wall of the jaw groove is an arc surface.
In a preferred embodiment of the present invention, the clamping jaw has a clamping surface facing the axis of the base, the clamping jaw inner surface is far away from the edge of the base to form a first inclined surface, the clamping jaw inner surface is close to the edge of the base to form a second inclined surface, the lower end of the positioning shaft is provided with a ring-shaped groove, the clamping surface extends into the ring-shaped groove to clamp the positioning shaft, and the ring-shaped groove has an inclined side wall matched with the second inclined surface.
In a preferred embodiment of the present invention, the sliding body is provided with a first pushing surface, and the first pushing surface contacts with the outer pushing surface to push the clamping jaws to move radially.
In a preferred embodiment of the present invention, the driving mechanism includes a base, a third elastic member and a cover;
the base is provided with an accommodating groove, and the base is arranged on the bottom wall of the accommodating groove;
the sliding body comprises a sliding part and a dividing part; the sliding part is sleeved on the base, and a gap is formed between the sliding part and the side wall of the accommodating groove; the dividing part is connected to the lower end of the sliding part, and the outer side of the dividing part is abutted against the side wall of the accommodating groove;
an installation cavity is formed among the base, the base and the dividing part, the third elastic piece is installed in the installation cavity, the bottom of the third elastic piece extends into the positioning hole in the base, and the upper end of the third elastic piece is connected with the bottom of the sliding body;
the cover body is arranged on the base and is provided with an extending part;
the extending part extends into a gap between the sliding part and the side wall of the accommodating groove, so that the base, the sliding body and the extending part form a working cavity;
the base is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the working cavity.
In a preferred embodiment of the present invention, the cover further has an extension portion extending above the claw.
The utility model has the advantages that: the utility model discloses positioner at zero point can prevent effectively that dust and oil from getting into positioner at zero point inside and influencing the operation, improves product life cycle, does not influence the use of product, can improve the efficiency of operation.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
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 are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of a preferred embodiment of the zero point positioning device of the present invention;
FIG. 2 is a schematic perspective view of the zero point positioning device;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a schematic perspective view of a base;
FIG. 5 is a perspective view of the seal;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a schematic perspective view of the jaw;
FIG. 8 is a schematic perspective view of the jaw;
FIG. 9 is a front view of FIG. 7;
FIG. 10 is a schematic structural view of an embodiment of a multiple zero point positioning device;
the parts in the drawings are numbered as follows: 100-base, 110, mounting hole, 120, sealing element, 130, second elastic element, 140, upper end, 150, lower end, 160, positioning groove, 170, containing hole, 200-sliding body, 210-first pushing surface, 220-sliding part, 230-dividing part, 300-positioning shaft, 400-claw, 410-clamping surface, 420-pushing surface, 430-claw groove, 440-first inclined surface, 450-second inclined surface, 460, extending part, 470 extending surface, 500-driving mechanism, 510-base, 511-air inlet hole, 512-air outlet hole, 520-second elastic element, 530-cover, 531-extending part and 532-extending part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, a zero point positioning device includes a base 100, a sliding body 200, a positioning shaft 300, a claw 400, a first elastic member, and a driving mechanism 500; one end of the positioning shaft 300 is provided with an annular groove; a plurality of claws 400 are circularly arrayed on the end surface of the base 100, each claw 400 is provided with a clamping surface 410 facing to the axis of the base 100, and a first elastic piece is arranged between the adjacent claws 400; the sliding body 200 is sleeved on the base 100, and the sliding body 200 is provided with a first pushing surface 210; the first pushing surface 210 abuts against the jaw 400 and can push the jaw 400 to move along the radial direction of the base 100; the driving mechanism 500 is connected to the sliding body 200 for driving the sliding body 200 to slide on the base 100.
The base 100 is provided with a mounting hole 110, a sealing element 120 for sealing the mounting hole 110 is arranged in the mounting hole 110, the positioning shaft 300 is arranged in the mounting hole 110 and contacts with the sealing element 120 to press down the sealing element 120, the positioning shaft is separated from the mounting hole 110 to enable the sealing element 120 to restore to the initial position to seal the mounting hole 110, the sealing element 120 is connected with the base 100 through a second elastic element 130, and the second elastic element 130 pushes the sealing element 120 to restore to seal the mounting hole 100.
The seal 120 is a sealing piston. The sealing piston includes an upper end 140 and a lower end 150, the upper end 140 has a positioning groove 160 formed therein for engaging with the lower end of the positioning shaft 300, the lower end 150 has a receiving hole 170 for receiving the second elastic member 130 therein, one end of the second elastic member 130 is connected to the top of the receiving hole 170, and the other end is connected to the base 100.
When the positioning shaft 300 is installed in the base 100, the bottom of the positioning shaft 300 contacts the positioning groove 160 of the sealing piston, the positioning shaft 300 presses the sealing piston, the second elastic member 140 is forced to be in a compressed state, and then the positioning shaft 300 is clamped by the jaws 400. After the positioning shaft 300 is taken down, the second elastic part 140 returns to the original position, the spring force automatically jacks up the sealing piston to return to the initial position, the mounting hole 120 is blocked by the sealing piston, dust and oil are prevented from entering the sealing piston, the operation is prevented from being influenced, the service life of the product is longer due to the improvement, the use of the product is not influenced, and the operation efficiency can be improved.
The second elastic member 140 is a rubber spring or a metal cylindrical spring. But also can be a spring plate, a torsion spring and the like.
When the positioning shaft 300 is installed, the positioning shaft 300 is placed among the plurality of clamping jaws 400, the driving mechanism 500 is operated, the driving mechanism 500 drives the sliding body 200 to move on the base 100, the first pushing surface 210 can push the clamping jaws 400 to move along the radial direction of the base 100, the plurality of clamping jaws 400 are closed, the first elastic piece is compressed, the clamping surfaces 410 on the inner sides of the clamping jaws 400 extend into the annular groove of the positioning shaft 300, and the clamping surfaces 410 on the inner sides of the plurality of clamping jaws 400 clamp the positioning shaft 300; when the positioning shaft 300 is dismounted, the driving mechanism 500 is operated, the driving mechanism 500 drives the sliding body 200 to move reversely on the base 100, the first elastic member extends, the plurality of clamping jaws 400 are gradually separated under the action of the first elastic member, the clamping surfaces 410 on the inner sides of the clamping jaws 400 are withdrawn from the annular groove of the positioning shaft 300, and the positioning shaft 300 is dismounted.
Specifically, fig. 3 and 4 show the first pushing surface 210 on the sliding body 200, an included angle between the first pushing surface 210 and the end surface of the base 100 of the array jaw 400 is an obtuse angle, when the driving mechanism 500 drives the sliding body 200 to move upwards, the first pushing surface 210 pushes the jaw 400 to move along the radial direction of the base 100 and to the direction close to the axis of the base 100, and the jaws 400 are closed; when the driving mechanism 500 drives the sliding body 200 to move downward, the plurality of jaws 400 are gradually separated by the first elastic member.
Certainly, the included angle between the first pushing surface 210 on the sliding body 200 and the end surface of the base 100 of the array jaw 400 may also be an acute angle, when the driving mechanism 500 moves downward, the first pushing surface 210 pushes the jaw 400 to move along the radial direction of the base 100 toward the direction close to the axis of the base 100, and the jaws 400 are closed together; when the driving mechanism 500 drives the sliding body 200 to move upward, the plurality of jaws 400 are gradually separated by the first elastic member.
In the zero point positioning device, the positioning shaft 300 is clamped by the plurality of clamping jaws 400, and the clamping jaws 400 are in surface contact with the positioning shaft 300, so that the stability of the positioning shaft 300 is enhanced, and the positioning shaft 300 is not easy to loosen.
Further, as shown in fig. 3, 4 and 9, the pawl 400 is provided with an outer pushing surface 420, and the outer pushing surface 420 abuts against the first pushing surface 210.
Specifically, the push-out surface 420 is located outside the jaw 400, and the push-out surface 420 and the first push surface 210 are inclined at the same direction and angle.
When the sliding body 200 slides on the base 100 and pushes the plurality of jaws 400 to close, the first pushing surface 210 gives a pushing force to the outward pushing surface 420 to point to the inner side of the jaws 400, and the first pushing surface 210 pushes the outward pushing surface 420 to move the jaws 400 along the radial direction of the base 100.
Further, as shown in fig. 9, the end of each jaw 400 is opened with a jaw groove 430, and the jaw groove 430 is used for accommodating the first elastic member.
Specifically, the two ends of each jaw 400 are provided with jaw grooves 430, the jaw grooves 430 of adjacent jaws 400 are opposite, and the first elastic member is installed between the adjacent jaws 400 and extends into the jaw grooves 430.
The jaw groove 430 plays a role in fixing the first elastic member, and when the plurality of jaws 400 are drawn together, the first elastic member is compressed, and the jaw groove 430 can prevent the first elastic member from being separated from between the adjacent jaws 400.
In addition, the jaw 400 has jaw recesses 430 at left and right ends thereof, the push-out surface 420 of the jaw 400 has extensions 460 toward both ends thereof, the extensions 460 have extension surfaces 470 inside thereof connected to the jaw recesses 430, and a first elastic member is installed in an adjacent jaw recess 430 and is blocked by the extension surfaces 470 to prevent the first elastic member from being deviated. Extension surface 470 is a sloped surface that slopes toward the pawl's push-out surface and the side wall of pawl recess 430 is a circular arc surface. The extension 460 prevents the first elastic member from being separated from the two jaw recesses 430, and the extension 460 blocks the first elastic member from moving.
Preferably, the first elastic member is a rubber spring or a metal cylindrical spring. But also can be a spring plate, a torsion spring and the like.
Further, the sidewall of the jaw groove 430 is a circular arc surface.
The side wall of the groove of the clamping jaw 400 is set to be an arc surface, so that the stress of the first elastic piece is uniform when the first elastic piece is compressed, and the stress of the clamping jaw 400 is uniform when the first elastic piece extends.
Of course, the side wall of the jaw groove 430 is not limited to a circular arc surface, and may be a flat surface, an inclined surface, or the like.
Further, the edge of the inner side surface of the jaw 400 away from the base 100 is provided with a first inclined surface 440.
When the positioning shaft 300 is installed, the first inclined surface 440 plays a guiding role for the positioning shaft 300, if the plurality of clamping jaws 400 are not completely opened, the end portion of the positioning shaft 300 is in contact with the first inclined surface 440, the end portion of the positioning shaft 300 provides thrust, pointing to the outer sides of the clamping jaws 400, to the first inclined surface 440, the opening speed of the plurality of clamping jaws 400 is accelerated, and therefore the positioning shaft 300 can be installed quickly.
Further, as shown in fig. 3 and 4, an end of the positioning shaft 300 adjacent to the annular groove is provided with a curved surface.
When the positioning shaft 300 is installed, if the plurality of jaws 400 are not fully opened, the arc surface of the end of the positioning shaft 300 contacts the first inclined surface 440 of the jaws 400, and the arc surface of the positioning shaft 300 gives a pushing force to the first inclined surface 440 to the outside of the jaws 400. Compared with a right-angle edge, the contact of the cambered surface and the first inclined surface 440 can reduce the abrasion of the first inclined surface 440 and prolong the service life of the clamping jaw 400.
Further, as shown in fig. 3 and 4, a second inclined surface 450 is arranged on the inner side surface of the jaw 400 near the edge of the base 100; the annular groove has an inclined sidewall that cooperates with the second ramp 450.
When the positioning shaft 300 is clamped by the plurality of jaws 400, the second inclined surfaces 450 of the jaws 400 are pressed against the inclined sidewalls of the annular groove. The second inclined surface 450 can restrict the movement of the positioning shaft 300 in the radial direction, and can restrict the movement of the positioning shaft 300 in the axial direction together with the clamping surface 410 inside the jaw 400, so that the stability of the positioning shaft 300 is further enhanced and the positioning shaft is not easily loosened.
Further, the driving mechanism 500 includes a base 510, a third elastic member 520, and a cover 530; the base 510 is provided with a containing groove, and the base 100 is arranged on the bottom wall of the containing groove; the slider 200 includes a slider 220 and a divider 230; the sliding part 220 is sleeved on the base 100 and has a gap with the side wall of the accommodating groove; the dividing part 230 is connected to the lower end of the sliding part 220, and the outer side of the dividing part abuts against the side wall of the accommodating groove; a mounting cavity is formed among the base 510, the base 100 and the dividing part 230, and a third elastic member 520 is mounted in the mounting cavity; the cover 530 is mounted on the base 510, and the cover 530 has an insertion portion 531; the protruding part 531 protrudes into the gap between the sliding part 220 and the sidewall of the receiving groove, so that the base 510, the sliding body 200 and the protruding part 531 form a working chamber; the base 510 is provided with an air inlet 511 and an air outlet 512, and the air inlet 511 and the air outlet 512 are communicated with the working chamber.
Taking the structure shown in fig. 3 as an example, an included angle between the first pushing surface 210 and the end surface of the base 100 of the array jaw 400 is an obtuse angle, when the driving mechanism 500 works, a fluid medium is filled into the working chamber through the air inlet 511 on the base 510, the fluid medium pushes the sliding body 200 to move in a direction away from the cover 530, the plurality of jaws 400 are gradually opened under the action of the first elastic member, and at this time, the third elastic member 520 is compressed; the fluid medium in the working chamber is released or extracted through the air vent 512 on the base 510, the sliding body 200 moves towards the direction close to the cover 530 under the action of the third elastic element 520, the first pushing surface 210 pushes the jaws 400 to move towards the direction close to the axis of the base 100 along the radial direction of the base 100, and the jaws 400 are closed to clamp the positioning shaft 300.
The fluid medium may be air, carbon dioxide, or other gas, or may be water, hydraulic oil, or other liquid.
Preferably, the bottom of the third elastic member 520 extends into the positioning hole 180 on the base 100, the upper end of the third elastic member is connected to the bottom of the sliding body, the third elastic member 520 is a cylindrical spring, and a plurality of cylindrical springs are installed in the installation cavity and arrayed along the circumferential direction of the base 100. Of course, the third elastic member 520 may also be a rubber spring, an air spring, or the like; a third elastic member 520 may be installed in the installation cavity, and the third elastic member 520 is sleeved outside the base 100.
The drive mechanism 500 is not limited to the above configuration, and the drive mechanism 500 may have another configuration. For example, the driving mechanism 500 includes a sliding module, a slider of the sliding module is connected to the sliding body 200, and the slider drives the sliding body 200 to slide on the base 100.
Further, as shown in fig. 3 and 4, the cover 530 further has an extension 532, and the extension 532 extends above the jaws 400.
Specifically, the extension 532 forms a channel with the end piece of the base 100 in which the plurality of jaws 400 are located and are capable of moving.
The extension 532 cooperates with the end surface of the base 100 to limit the movement of the latch 400 in the direction perpendicular to the end surface of the base 100, so that the latch 400 can only move along the radial direction of the base 100, and the situation that the latch 400 is shifted away from the base 100 to clamp the positioning shaft 300 when the first pushing surface 210 pushes the latch 400 to move is avoided.
Further, as shown in fig. 3 and 4, the zero point positioning device further includes a sealing member; sealing members are provided between the dividing portion 230 and the receiving groove side wall, between the sliding portion 220 and the protruding portion 531, and between the protruding portion 531 and the receiving groove side wall.
The sealing element ensures the sealing performance of the working cavity, prevents fluid medium in the working cavity from leaking, and further ensures the working efficiency of the driving mechanism 500.
Further, as shown in fig. 10, when a plurality of zero point positioning devices are used together, a plurality of bases 510 are integrally connected.
The structure ensures that the relative positions of the plurality of zero point positioning devices are invariable all the time, and ensures the positioning accuracy. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A zero point positioning device comprises a base, a sliding body sleeved on the base, a plurality of clamping jaws of circular arrays on the end face of the base, a driving mechanism installed on the base and a positioning shaft installed on the base, wherein the driving mechanism is connected with the sliding body to push the sliding body to drive the clamping jaws to move radially so as to clamp the positioning shaft, and a first elastic piece is installed between every two adjacent clamping jaws.
2. The zero point positioning device according to claim 1, wherein the sealing member is connected with the base through a second elastic member, and the second elastic member pushes the sealing member to reset to block the mounting hole.
3. The zero positioning device of claim 2, wherein the seal is a sealing piston.
4. The zero point positioning device according to claim 3, wherein the sealing piston comprises an upper end and a lower end, the upper end is provided with a positioning groove therein, the positioning groove is matched with the lower end of the positioning shaft, the lower end is provided with a containing hole therein, the containing hole is provided with a second elastic member, one end of the second elastic member is connected to the top of the containing hole, and the other end of the second elastic member is connected with the base.
5. The zero point positioning device according to any one of claims 1 to 4, wherein the jaw has jaw grooves at left and right ends thereof, the jaw has outwardly-pushed surfaces extending toward both ends thereof, the inwardly-extending surfaces have extending surfaces connected to the jaw grooves, and the first elastic member is installed adjacent to the jaw grooves and caught by the extending surfaces to prevent the first elastic member from being displaced.
6. The zero point positioning device according to claim 5, wherein the extension surface is an inclined surface inclined toward the pushing-out surface of the pawl, and the side wall of the pawl groove is a circular arc surface.
7. The zero point positioning device according to claim 6, wherein the clamping jaw has a clamping surface facing the axis of the base, a first inclined surface is arranged at an edge of the inner side surface of the clamping jaw, which is far away from the base, a second inclined surface is arranged at an edge of the inner side surface of the clamping jaw, which is close to the base, an annular groove is formed at the lower end of the positioning shaft, the clamping surface extends into the annular groove to clamp the positioning shaft, and the annular groove has an inclined side wall matched with the second inclined surface.
8. The zero point positioning device according to claim 7, characterized in that the sliding body is provided with a first push surface which is in contact with an outer push surface for pushing the jaws to move radially.
9. The zero point positioning device according to claim 1, wherein the driving mechanism includes a base, a third elastic member, and a cover;
the base is provided with an accommodating groove, and the base is arranged on the bottom wall of the accommodating groove;
the sliding body comprises a sliding part and a dividing part; the sliding part is sleeved on the base, and a gap is formed between the sliding part and the side wall of the accommodating groove; the dividing part is connected to the lower end of the sliding part, and the outer side of the dividing part is abutted against the side wall of the accommodating groove;
an installation cavity is formed among the base, the base and the dividing part, the third elastic piece is installed in the installation cavity, the bottom of the third elastic piece extends into the positioning hole in the base, and the upper end of the third elastic piece is connected with the bottom of the sliding body;
the cover body is arranged on the base and is provided with an extending part;
the extending part extends into a gap between the sliding part and the side wall of the accommodating groove, so that the base, the sliding body and the extending part form a working cavity;
the base is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the working cavity.
10. The zero point positioning device of claim 9, wherein the cover further has an extension that extends above the pawl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127159.4U CN210281465U (en) | 2019-07-18 | 2019-07-18 | Zero point positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127159.4U CN210281465U (en) | 2019-07-18 | 2019-07-18 | Zero point positioning device |
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| CN210281465U true CN210281465U (en) | 2020-04-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571309A (en) * | 2020-07-01 | 2020-08-25 | 上海工具厂有限公司 | Zero point positioning clamp for monitoring integrated machining process |
| CN112059403A (en) * | 2020-08-26 | 2020-12-11 | 苏州迈为科技股份有限公司 | Follow-up OLED screen body laser repairing method for lighting mechanism |
| CN113798890A (en) * | 2021-10-28 | 2021-12-17 | 深圳市东汇精密机电有限公司 | Workpiece fixing device, machine tool loading and unloading device and loading and unloading method |
-
2019
- 2019-07-18 CN CN201921127159.4U patent/CN210281465U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571309A (en) * | 2020-07-01 | 2020-08-25 | 上海工具厂有限公司 | Zero point positioning clamp for monitoring integrated machining process |
| CN112059403A (en) * | 2020-08-26 | 2020-12-11 | 苏州迈为科技股份有限公司 | Follow-up OLED screen body laser repairing method for lighting mechanism |
| CN113798890A (en) * | 2021-10-28 | 2021-12-17 | 深圳市东汇精密机电有限公司 | Workpiece fixing device, machine tool loading and unloading device and loading and unloading method |
| CN113798890B (en) * | 2021-10-28 | 2024-03-19 | 深圳市东汇精密机电有限公司 | Workpiece fixing device, machine tool loading and unloading device and loading and unloading method |
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