CN210360874U - Positioning fixture and glass grinding machine with same - Google Patents
Positioning fixture and glass grinding machine with same Download PDFInfo
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- CN210360874U CN210360874U CN201920892163.3U CN201920892163U CN210360874U CN 210360874 U CN210360874 U CN 210360874U CN 201920892163 U CN201920892163 U CN 201920892163U CN 210360874 U CN210360874 U CN 210360874U
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Abstract
The utility model discloses a positioning fixture, including the strutting arrangement who is used for supporting the work piece and the positioner who is used for carrying out the side direction location to the work piece, positioner includes the setting element and is used for driving the pushing mechanism of work piece and setting element laminating contact, still including the fixed establishment who is used for fixing the back work piece at the work piece location completely. The positioning fixture is provided with the positioning device, when the workpiece is transferred to the supporting device, the pushing mechanism can drive the workpiece to be in fit contact with the positioning piece, so that the workpiece is accurately positioned, the complete positioning of the workpiece on the positioning fixture is realized, and the workpiece after the complete positioning is fixed through the fixing mechanism. That is, this positioning fixture integrates the locate function to anchor clamps in, and positioner can adjust the position error of work piece to realize the automatic accurate positioning before the work piece presss from both sides tightly, thereby can reduce the position error of work piece, improve the machining precision of work piece. The utility model also discloses a glass grinder of including above-mentioned positioning fixture.
Description
Technical Field
The utility model relates to a mechanical process equips technical field, more specifically says, relates to a positioning fixture. Furthermore, the utility model discloses still relate to a glass grinder including above-mentioned positioning fixture.
Background
In the mobile phone glass processing industry, for a certain type of glass, the surface of the glass except for a preset area needs to be ground, so that a boss is formed in the preset area after grinding. Therefore, when the glass of this type is subjected to plane grinding, the glass needs to be accurately positioned and clamped so as to avoid mis-machining of the preset area to be reserved.
In the prior art, glass is usually taken out of a material box and then placed on a transfer positioning platform manually, and then the positioned glass is transferred to a clamp from the transfer positioning platform by a manipulator, namely, the glass is positioned on the clamp in a manual positioning mode by combining mechanical transfer of the manipulator.
However, such a positioning method has a large error, which easily causes a human error due to a subjective factor of manual operation, and on the other hand, when the robot puts the glass into the jig, a large positional deviation of the glass is easily caused due to accuracy of the robot.
In summary, it is an urgent need to solve the problem of providing a positioning fixture capable of accurately positioning a workpiece.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a positioning fixture and have this positioning fixture's glass grinder can reduce the positioning error of work piece, makes the accurate positioning of work piece.
In order to achieve the above object, the present invention provides the following technical solutions:
a positioning fixture comprises a supporting device for supporting a workpiece and a positioning device for laterally positioning the workpiece, wherein the positioning device comprises a positioning piece and a pushing mechanism for driving the workpiece to be in contact with the positioning piece in a fitting manner, and further comprises a fixing mechanism for fixing the workpiece after the workpiece is completely positioned.
Preferably, the positioning element comprises a first positioning element and a second positioning element which are respectively used for positioning two adjacent sides of the workpiece; the pushing mechanism includes:
the first pushing mechanism is arranged opposite to the first positioning piece and used for driving the workpiece to press the first positioning piece;
and the second pushing mechanism is arranged opposite to the second positioning piece and used for driving the workpiece to press towards the second positioning piece.
Preferably, the first pushing mechanism and the second pushing mechanism each include:
the push sheet is used for being in contact with the workpiece in a fitting manner;
and the push sheet driving piece is connected with the push sheet and is used for driving the push sheet to be close to or far away from the workpiece.
Preferably, one of the first pushing mechanism and the second pushing mechanism includes a power source, and the first pushing mechanism and the second pushing mechanism are linked under the driving of the power source.
Preferably, the first pushing mechanism comprises the power source and a pushing sheet which is connected with the power source and is used for being in contact with a workpiece; the second pushing mechanism includes:
the deflector rod is used for being in contact with the workpiece in a fitting manner;
the vertical shaft is used for fixedly arranging the deflector rod;
and the linkage piece is connected with the vertical shaft and used for applying rotary torque to the vertical shaft, and the linkage piece is connected with the power source.
Preferably, the linkage includes:
a connecting rod connected to the power source;
the swing arm is rotatably connected with the vertical shaft, one end of the swing arm, which is far away from the vertical shaft, is rotatably connected with the connecting rod, and the swing arm and the vertical shaft are respectively provided with a first fixing part and a second fixing part;
the torsion spring is sleeved on the vertical shaft, and two ends of the torsion spring are respectively connected with the first fixing part and the second fixing part.
Preferably, one of the first positioning member and the second positioning member comprises at least two coplanar positioning posts, and the other comprises one of the positioning posts or at least two coplanar positioning posts.
Preferably, the fixing mechanism comprises a suction plate which is arranged on the supporting device and used for carrying out suction fixing on the bottom of the workpiece.
Preferably, the fixing mechanism comprises at least two suction plates for sucking a single workpiece, and the positioning devices are arranged in one-to-one correspondence with the suction plates.
Preferably, the positioning device is connected with a lifting mechanism for driving the positioning device to lift, so that the positioning device is lowered to a position separated from the workpiece after the fixing mechanism fixes the workpiece.
Preferably, the supporting device comprises a base plate for supporting the suction plate and a rib for laterally limiting the suction plate; the base plate and the flanges are provided with notches for avoiding the lifting of the positioning device.
A glass grinder comprises any one of the positioning clamps, and further comprises:
a feeding position bracket and a discharging position bracket;
and the feeding and discharging mechanical arm is used for transferring the workpieces on the feeding level bracket to the positioning fixture and transferring the machined workpieces to the discharging level bracket from the positioning fixture.
The utility model provides a positioning fixture is from having positioner, and positioner is including the pushing mechanism who is used for making work piece accurate positioning, and when the work piece was shifted to strutting arrangement on, pushing mechanism can drive work piece and setting element laminating contact to make work piece accurate positioning, realize the complete positioning of work piece on positioning fixture, and realize fixing of the work piece after the complete positioning through fixed establishment. That is, this positioning fixture integrates the locate function to anchor clamps in, and positioner can adjust the position error of work piece to realize the automatic accurate positioning before the work piece presss from both sides tightly, thereby can reduce the position error of work piece, improve the machining precision of work piece.
The utility model provides a glass grinder, including above-mentioned positioning fixture, have above-mentioned beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a first embodiment of a positioning fixture provided by the present invention;
FIG. 2 is a schematic structural view of the support device of FIG. 1;
FIG. 3 is a schematic structural diagram of the positioning device of FIG. 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic structural view of the first pushing mechanism and the second pushing mechanism in FIG. 3;
fig. 6 is a schematic structural view of a positioning device in a second embodiment of the positioning fixture according to the present invention;
FIG. 7 is a schematic structural view of an embodiment of a glass grinding machine according to the present invention;
fig. 8 is a schematic structural view of the feeding and discharging manipulator in fig. 7.
The reference numerals in fig. 1 to 8 are as follows:
the device comprises a support device 1, a suction plate 11, a base plate 12, a flange 13, a positioning device 2, a supporting plate 20, a push plate 21, a push plate driving piece 22, a driving rod 23, a vertical shaft 24, a connecting rod 25, a swing arm 26, a torsion spring 27, a lifting mechanism 28, a positioning stop column 29, a support member 3, a bottom plate 31, a vertical plate 32, a positioning clamp 100, a loading bracket 200, a blanking bracket 300, a loading manipulator 400, a sucker gripper 411, a horizontal moving module 412, a vertical moving module 413 and a rotary moving module 414.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a positioning fixture and have this positioning fixture's glass grinder, can reduce the positioning error of work piece, make work piece accurate positioning.
Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a positioning fixture according to a first embodiment of the present invention; FIG. 2 is a schematic structural view of the support device of FIG. 1; FIG. 3 is a schematic structural diagram of the positioning device of FIG. 1; FIG. 4 is a top view of FIG. 3; fig. 6 is a schematic structural view of a positioning device in a second embodiment of the positioning fixture provided by the present invention.
The utility model provides a positioning fixture 100, including strutting arrangement 1 that is used for supporting the work piece, be used for carrying out lateral positioning's positioner 2 to the work piece and be used for the fixed establishment of back fixed work piece at the work piece location completely. The positioning device 2 comprises a positioning piece and a pushing mechanism for driving the workpiece to contact with the positioning piece in a fitting manner.
It will be appreciated that when the workpiece is transferred to the support device 1, a certain force may be applied to the workpiece by the pushing mechanism to drive the workpiece to approach the locating member and finally come into abutting contact with the locating member, thereby fully locating the workpiece. That is, the positioning jig 100 allows a certain positional error of the workpiece just transferred onto the supporting device 1, and the positional error can be eliminated by the pushing mechanism to achieve precise positioning of the workpiece.
That is to say, the utility model provides a positioning fixture 100 has positioner 2 certainly, can realize the complete positioning of work piece on the anchor clamps. That is, the positioning fixture 100 integrates the positioning function into the fixture, and realizes automatic positioning before clamping the workpiece, so that the workpiece can be accurately positioned, the positioning error of the workpiece is reduced, and the processing precision of the workpiece is improved.
It should be noted that the present invention does not limit the specific structure of the fixing mechanism, and as a preferred embodiment, the fixing mechanism includes a suction plate 11 disposed on the supporting device 1 and used for adsorbing and fixing the bottom of the workpiece. That is, the present embodiment realizes clamping of the fully positioned workpiece by the suction effect of the suction plate 11, and the suction clamping is particularly suitable for the situation that the workpiece is thin and is inconvenient to clamp by using a mechanical clamp (such as a clamp). For example, when the workpiece has magnetism, the workpiece can be clamped by arranging a magnet with the magnetism opposite to that of the workpiece on the suction plate 11 by the principle that opposite magnetic poles attract each other; when the workpiece is a nonmagnetic workpiece, the workpiece can be clamped in a vacuum adsorption mode.
Preferably, the suction plate 11 is provided with a plurality of through holes penetrating through the thickness of the suction plate, and a vacuum generator for generating vacuum negative pressure at each through hole is arranged below the suction plate 11, so that the glass is sucked by the negative pressure suction force generated by a vacuum air source.
In view of the convenience of fixing the suction plate 11, it is preferable that the supporting device 1 includes a base plate 12 for supporting the suction plate 11 and a rib 13 for laterally limiting the suction plate 11, the rib 13 is fixed on the base plate 12, and the base plate 12 is fixed on the supporting member 3, that is, the suction plate 11 is mounted on the supporting member 3 through the base plate 12.
Preferably, the supporting member 3 includes a bottom plate 31 for stable load bearing and at least two non-coplanar vertical plates 32 with a preset height and arranged on the bottom plate 31, and the base plate 12 is fixedly connected with the tops of the vertical plates 32.
It will be appreciated that the support device 1 is intended to support a workpiece to define two degrees of freedom of rotation and one degree of freedom of movement of the workpiece; the positioning device 2 serves to position the workpiece laterally in order to define the freedom of movement of the workpiece in the direction of its lateral extension and the freedom of rotation of the workpiece about an axis perpendicular to the support device 1.
The supporting device 1 and the positioning device 2 act together to completely position the workpiece, that is, the positioning mode of combining the supporting device 1 and the positioning device 2 conforms to the six-point positioning principle. For example, the support device 1 is used to define the degrees of freedom of rotation of the workpiece about the X-axis and the Y-axis of the spatial rectangular coordinate system, and the degrees of freedom of movement of the workpiece along the Z-axis of the spatial rectangular coordinate system; the positioning device 2 is used to define the degrees of freedom of rotation of the workpiece about the Z-axis of the spatial rectangular coordinate system, and the degrees of freedom of movement of the workpiece along the X-axis and Y-axis of the spatial rectangular coordinate system.
The utility model discloses do not injecing setting element and pushing mechanism's concrete structure and implementation, as long as can realize the side direction location of work piece can.
In order to make the positioning device 2 capable of adapting to workpieces with different length-width ratios, on the basis of the above-mentioned embodiment, the positioning element includes the first positioning element and the second positioning element, and the pushing mechanism includes the first pushing mechanism and the second pushing mechanism for assisting the accurate positioning of the workpiece. The first positioning piece and the second positioning piece are respectively used for positioning two adjacent sides of the workpiece; the first pushing mechanism is arranged opposite to the first positioning piece and used for driving the workpiece to press the first positioning piece; the second pushing mechanism is arranged opposite to the second positioning piece and used for driving the workpiece to press the second positioning piece.
That is, the positioning device 2 in this embodiment includes a fixed positioning element (a first positioning element and a second positioning element) and a movable positioning element (a first pushing mechanism and a second pushing mechanism), and the positioning device 2 can adapt to workpieces with different length-width ratios by changing the moving ranges of the first pushing mechanism and the second pushing mechanism.
It can be understood that the first positioning element, the second positioning element and the supporting device 1 can realize the complete positioning of the workpiece together; the first pushing mechanism can make the workpiece contact with the first positioning piece in a fitting manner so as to eliminate a gap between the workpiece and the first positioning piece; the second pushing mechanism enables the workpiece to be in contact with the second positioning piece in a fitting mode so as to eliminate a gap between the workpiece and the second positioning piece; thereby enabling reliable and accurate positioning of the workpiece.
The embodiment does not limit the specific structures of the first pushing mechanism and the second pushing mechanism and the implementation manner thereof, and the first pushing mechanism and the second pushing mechanism may respectively have driving structures for outputting power so as to respectively and independently drive the workpiece to press the first positioning member and the second positioning member.
For example, each of the first pushing mechanism and the second pushing mechanism includes a pushing piece 21 for contacting with the workpiece and a pushing piece driving member 22 connected to the pushing piece 21 to drive the pushing piece 21 to approach or move away from the workpiece.
Preferably, the blade pushing driving member 22 is a slide cylinder. The push sheet 21 is connected with a piston rod of the sliding table cylinder.
Of course, it is also possible that one of the first pushing mechanism and the second pushing mechanism has a power source, and the first pushing mechanism and the second pushing mechanism are linked by being driven by the power source. This not only reduces the cost, but also reduces the space occupied by the positioning device 2 as a whole. The power source may preferably be a slipway cylinder.
Preferably, on the basis of the above embodiment, the first pushing mechanism includes a power source and a pushing piece 21 connected to the power source and adapted to be in abutting contact with the workpiece; the second pushing mechanism comprises a deflector rod 23 which is used for being in contact with the workpiece in an attaching mode, a vertical shaft 24 which is used for fixedly arranging the deflector rod 23, and a linkage piece which is connected with the vertical shaft 24, wherein the linkage piece is connected with a power source.
When a workpiece needs to be positioned, the power source outputs a pushing force, and on one hand, the power source drives the push sheet 21 to be close to the workpiece so that the push sheet 21 pushes the workpiece to press to the first positioning piece; on the other hand, the power source drives the linkage member to move, so that the linkage member applies a rotation torque to the vertical shaft 24, so that the vertical shaft 24 drives the shift lever 23 to rotate, and the shift lever 23 approaches the workpiece and presses the workpiece to the second positioning member.
When the workpiece is completely positioned, preferably, the power source outputs pulling force, and on one hand, the power source drives the push sheet 21 to be far away from the workpiece; on the other hand, the power source drives the linkage member to move, so that the linkage member applies opposite rotation torque to the vertical shaft 24, and the vertical shaft 24 drives the shift lever 23 to rotate in the opposite direction, so that the shift lever 23 is far away from the workpiece.
In view of the simplicity and the convenient implementation of the specific structure of the linkage, on the basis of the above embodiment, the linkage comprises a connecting rod 25 connected with the power source and a swing arm 26 rotatably connected with the vertical shaft 24, one end of the swing arm 26 far away from the vertical shaft 24 is rotatably connected with the connecting rod 25, the linkage further comprises a torsion spring 27 sleeved on the vertical shaft 24, and the swing arm 26 and the vertical shaft 24 are respectively provided with a first fixing part and a second fixing part for fixing two ends of the torsion spring 27.
That is, in this embodiment, the torsion spring 27 applies a rotation torque to the vertical shaft 24, and when the power source outputs power, the connecting rod 25 is driven to move, so that the rotational connection between the connecting rod 25 and the swing arm 26 changes its position, that is, the connecting rod 25 drives the swing arm 26 to rotate around the vertical shaft 24, at this time, the swing arm 26 applies a torsion torque to the torsion spring 27 through the first fixing portion, and further the torsion spring 27 applies a rotation torque to the vertical shaft 24 through the second fixing portion, so that the vertical shaft 24 drives the shift lever 23 to rotate.
In view of the portability of the positioning members, the first positioning member and the second positioning member are both cylindrical structures, that is, one of the first positioning member and the second positioning member includes at least two coplanar positioning pillars 29, and the other includes one positioning pillar 29 or at least two coplanar positioning pillars 29.
Preferably, one of the first and second positioning members includes two positioning posts 29 and the other includes one positioning post 29.
In order to avoid the positioning fence 29 from hitting the side of the suction plate 11 when it is raised, it is preferable that the top of the positioning fence 29 is shaped like a hemisphere, a cone, or a truncated cone.
It should be noted that, the height of the positioning bumping post 29 above the surface of the suction plate 11 when it is lifted is not limited in the present invention, and can be specifically determined according to the thickness of the workpiece.
Preferably, the height of the positioning baffle 29 above the surface of the suction plate 11 when the positioning baffle 29 is raised ranges from 6mm to 10mm, and is preferably 8 mm.
Preferably, after the positioning stop 29 is lowered, the positioning stop 29 is 1mm to 2mm, preferably 2mm, below the workpiece.
In order to improve the processing efficiency, on the basis of the above-mentioned embodiment, the supporting device 1 includes at least two suction plates 11 for sucking a single workpiece, and the positioning devices 2 are disposed in one-to-one correspondence with the suction plates 11.
That is, the positioning jig 100 in the present embodiment has at least two stations to simultaneously perform positioning and clamping of a plurality of workpieces, thereby improving the machining efficiency.
Preferably, the supporting device 1 comprises two suction plates 11, the number of the positioning devices 2 is also two, and the two positioning devices 2 are respectively arranged in one-to-one correspondence with the two suction plates 11. That is, a double-row parallel structure is adopted, and two workpieces are clamped simultaneously.
Further, in order to avoid the positioning device 2 interfering with the processing of the workpiece, on the basis of any of the above-described embodiments, the positioning device 2 is connected to the lifting mechanism 28 for driving the positioning device 2 to be lifted and lowered to a position where it is separated from the workpiece after the fixing mechanism fixes the workpiece.
That is, in this embodiment, the lifting mechanism 28 drives the whole positioning device 2 to lift, and when a workpiece needs to be positioned, the lifting mechanism 28 drives the whole positioning device 2 to lift, so that the positioning device 2 can completely position the workpiece; when the workpiece needs to be machined, the positioning device 2 is automatically retracted through the lifting mechanism 28 and is lowered to a position far away from the workpiece, so that the workpiece can be machined smoothly.
Preferably, the lifting mechanism 28 is a lifting cylinder, and the positioning device 2 includes a supporting plate 20 for carrying, and the supporting plate 20 is connected to a piston rod of the lifting cylinder.
Preferably, the vertical shaft 24 is secured to the platform 20 by a bearing mount, with the vertical shaft 24 being connected to the bearing mount by a bearing.
It will be appreciated that when the positioning device 2 is raised and lowered, the base plate 12 and the rib 13 are provided with notches for avoiding the raising and lowering of the positioning device 2.
Preferably, the indentations are located at the periphery of the suction plate 11.
Referring to fig. 7 and 8, fig. 7 is a schematic structural diagram of a glass grinding machine according to an embodiment of the present invention; fig. 8 is a mechanism diagram of the feeding and discharging robot in fig. 7.
In addition to above-mentioned positioning fixture 100, the utility model also provides a glass grinder including the positioning fixture 100 that the above-mentioned embodiment is disclosed, this glass grinder still includes material loading level bracket 200, unloading level bracket 300 and goes up unloading manipulator 400, goes up unloading manipulator 400 and is used for shifting the work piece on material loading level bracket 200 to positioning fixture 100 to the work piece after accomplishing with processing shifts to material loading level bracket 300 from positioning fixture 100.
That is, the glass grinding machine realizes the transfer of the workpiece between the loading position bracket 200 and the positioning jig 100 and the transfer of the workpiece between the positioning jig 100 and the loading position bracket 300 by the loading and unloading robot 400. That is, automatic loading and unloading of the workpiece is realized by the loading and unloading robot 400.
It should be noted that, in the glass grinding machine, when the loading and unloading robot 400 places the workpiece into the positioning fixture 100, a large position error of the workpiece is allowed, and then, the positioning device 2 can be used to accurately position the workpiece on the positioning fixture 100. Therefore, the precision requirement on the loading and unloading manipulator 400 can be reduced, and the equipment cost is reduced.
Preferably, the loading and unloading robot 400 includes a suction cup gripper 411, a horizontal moving module 412, a vertical moving module 413 and a rotating motion module 414, wherein the horizontal moving module 412 is used for driving the suction cup gripper 411 to move horizontally, the vertical moving module 413 is used for driving the suction cup gripper 411 to lift vertically, and the rotating motion module 414 is used for driving the suction cup gripper 411 to rotate.
It should be noted that, in the present embodiment, the specific rotation angle of the suction cup gripper 411 is not limited, and may be determined according to the positions of the material loading position bracket 200 and the material unloading position bracket 300 relative to the positioning fixture 100.
Preferably, the horizontal moving device further comprises a profile bracket, the horizontal moving module 412 is fixedly arranged on the profile bracket, and the horizontal moving module 412 comprises a first servo motor, a first ball screw connected with an output shaft of the first servo motor, and a first sliding table in threaded connection with the first ball screw; the vertical moving module 413 comprises a second sliding table connected with the first sliding table through a sliding table connecting plate, a second servo motor and a second ball screw connected with an output shaft of the second servo motor, and the second sliding table is in threaded connection with the second ball screw; the rotary motion module 414 includes a third servo motor connected to the second sliding table and a planetary reducer connected to an output shaft of the third servo motor, and the suction cup gripper 411 is connected to an output end of the planetary reducer.
That is, the loading and unloading robot 400 can move horizontally, lift vertically and rotate the sucker gripper 411 by the cooperation of the horizontal moving module 412, the vertical moving module 413 and the rotating module 414, so as to realize the automatic loading and unloading of the workpiece.
It should be further noted that, the main body processing structure of the glass grinding machine is not limited in this embodiment, and reference may be made to a machine tool in the prior art, which is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above that the utility model provides a positioning fixture and have this positioning fixture's glass grinder introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (12)
1. The utility model provides a positioning fixture, its characterized in that is including strutting arrangement (1) that is used for supporting the work piece and the positioner (2) that is used for carrying out the side direction location to the work piece, positioner (2) including setting element and be used for driving the work piece with the pushing mechanism of setting element laminating contact still include the fixed establishment who is used for fixing the work piece after the work piece is fixed a position completely.
2. The positioning fixture according to claim 1, wherein the positioning member comprises a first positioning member and a second positioning member for positioning adjacent two sides of the workpiece, respectively; the pushing mechanism includes:
the first pushing mechanism is arranged opposite to the first positioning piece and used for driving the workpiece to press the first positioning piece;
and the second pushing mechanism is arranged opposite to the second positioning piece and used for driving the workpiece to press towards the second positioning piece.
3. The positioning jig of claim 2, wherein the first pushing mechanism and the second pushing mechanism each comprise:
a push sheet (21) for abutting contact with the workpiece;
and the push sheet driving piece (22) is connected with the push sheet (21) and is used for driving the push sheet (21) to be close to or far away from the workpiece.
4. The positioning jig of claim 2, wherein one of the first pushing mechanism and the second pushing mechanism comprises a power source, and the first pushing mechanism and the second pushing mechanism are linked by being driven by the power source.
5. The positioning jig of claim 4 wherein the first pushing mechanism comprises the power source and a push plate (21) connected to the power source for abutting contact with a workpiece; the second pushing mechanism includes:
a deflector rod (23) which is used for being attached and contacted with the workpiece;
a vertical shaft (24) used for fixedly arranging the deflector rod (23);
a linkage member connected to the vertical shaft (24) for applying a rotational torque to the vertical shaft (24), the linkage member being connected to the power source.
6. The positioning jig of claim 5, wherein the linkage member comprises:
a connecting rod (25) connected to the power source;
the swing arm (26) is rotatably connected with the vertical shaft (24), one end, far away from the vertical shaft (24), of the swing arm (26) is rotatably connected with the connecting rod (25), and the swing arm (26) and the vertical shaft (24) are respectively provided with a first fixing part and a second fixing part;
the torsion spring (27) is sleeved on the vertical shaft (24), and two ends of the torsion spring (27) are respectively connected with the first fixing part and the second fixing part.
7. Positioning fixture according to any one of claims 2-6, characterized in that one of the first and second positioning members comprises at least two coplanar positioning bars (29) and the other one comprises one of the positioning bars (29) or at least two coplanar positioning bars (29).
8. The positioning fixture according to any one of claims 1-6, wherein the fixing mechanism comprises a suction plate (11) arranged on the support device (1) for suction fixing the bottom of the workpiece.
9. The positioning fixture according to claim 8, characterized in that the fixing mechanism comprises at least two suction plates (11) for sucking a single workpiece, and the positioning devices (2) are arranged in one-to-one correspondence with the suction plates (11).
10. The positioning jig according to claim 8, characterized in that the positioning device (2) is connected to a lifting mechanism (28) for driving the positioning device (2) to be lifted and lowered to a position where the positioning device (2) is disengaged from the workpiece after the fixing mechanism fixes the workpiece.
11. Positioning fixture according to claim 10, characterized in that the support device (1) comprises a base plate (12) for supporting the suction plate (11) and a rib (13) for laterally limiting the suction plate (11); the base plate (12) and the flanges (13) are provided with notches for avoiding the lifting of the positioning device (2).
12. A glass grinding machine, comprising the positioning jig (100) of any one of claims 1 to 11, and further comprising:
a feeding level bracket (200) and a discharging level bracket (300);
and the feeding and discharging mechanical arm (400) is used for transferring the workpieces on the feeding level bracket (200) to the positioning fixture (100) and transferring the machined workpieces from the positioning fixture (100) to the discharging level bracket (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892163.3U CN210360874U (en) | 2019-06-13 | 2019-06-13 | Positioning fixture and glass grinding machine with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892163.3U CN210360874U (en) | 2019-06-13 | 2019-06-13 | Positioning fixture and glass grinding machine with same |
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| Publication Number | Publication Date |
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| CN210360874U true CN210360874U (en) | 2020-04-21 |
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| CN201920892163.3U Active CN210360874U (en) | 2019-06-13 | 2019-06-13 | Positioning fixture and glass grinding machine with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548914A (en) * | 2020-12-15 | 2021-03-26 | 博众精工科技股份有限公司 | Positioning fixture |
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2019
- 2019-06-13 CN CN201920892163.3U patent/CN210360874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548914A (en) * | 2020-12-15 | 2021-03-26 | 博众精工科技股份有限公司 | Positioning fixture |
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