CN210180926U - Chip platform positioner - Google Patents
Chip platform positioner Download PDFInfo
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- CN210180926U CN210180926U CN201822218342.7U CN201822218342U CN210180926U CN 210180926 U CN210180926 U CN 210180926U CN 201822218342 U CN201822218342 U CN 201822218342U CN 210180926 U CN210180926 U CN 210180926U
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Abstract
A chip platform positioning device comprises a Y-axis motion plate, a positioning plate, a base, a chip tray, a Z-axis direction positioning unit and an XY plane positioning unit; the Z-axis and XY-plane positioning units respectively drive the chip to move on the Z-axis and XY-plane and share the same power unit. The chip platform positioning device realizes the accurate positioning of the biochip in the XYZ direction. Because the upper positioning plate is adopted for positioning and is also the chip positioning reference surface, in the temperature control process of heating and refrigerating the refrigerating sheet assembly, the whole refrigerating sheet assembly can sink towards Z direction under the action of expansion with heat and contraction with cold, the chip detection surface basically keeps unchanged towards Z direction, and the deformation influence of expansion with heat and contraction with cold during temperature control is greatly reduced. The Z-axis direction positioning unit and the XY plane positioning unit share the same power unit, so that the number of parts is reduced, and the manufacturing cost is reduced. And the warehouse entering and exiting device is adopted, so that the high-precision Y-axis stroke is reduced, the space of the device is further reduced, and the complexity and the cost of the system are reduced.
Description
Technical Field
The utility model relates to a biomedical detects the field, specificly relates to a chip platform positioner.
Background
In the field of gene sequencing, a conventional biochip is placed on a refrigerating sheet assembly of a chip platform, the refrigerating sheet assembly can control heating and refrigerating of the biochip to complete biological reaction, an upper cover is arranged on the upper portion of the chip platform and can rotate around a shaft or translate up and down to position and compress the biochip, a fluid assembly is arranged on the upper cover, a liquid inlet hole and a liquid outlet hole of the fluid assembly are respectively aligned with a liquid inlet hole and a liquid outlet hole of the biochip, various biological reagents flow into the biochip to react, the upper cover is hollow in structure, and an objective lens is arranged in the middle of the upper cover and fixed on an optical platform to realize a microscopic imaging function. The integral chip platform is fixed on the two-dimensional motion platform and can perform XY plane scanning motion.
However, in the above chip stage, the upper surface of the hot plate of the cooling plate assembly is a reference surface, the chip is placed on the cooling plate assembly, and the chip is easily subjected to height change in the Z direction due to expansion and contraction of the structure during the temperature control process of heating and cooling, so that the objective lens is required to be focused in the Z direction at any time, which is not favorable for microscopic imaging.
In addition, in the chip platform, the Y-axis stroke is required to be longer, and the rear end opening of the upper cover of the chip platform is required to avoid the objective lens, so that a user can take and place the chip, and the structure is complex.
Therefore, the utility model aims to realize the accurate location of biochip XYZ orientation. Because the upper positioning plate is adopted for positioning and is also the chip positioning reference surface, in the temperature control process of heating and refrigerating the refrigerating sheet assembly, the whole refrigerating sheet assembly can sink towards Z direction under the action of expansion with heat and contraction with cold, the chip detection surface basically keeps the Z direction unchanged at the moment, the deformation influence of expansion with heat and contraction with cold during temperature control is greatly reduced, an objective lens is not used, and Z direction focusing is carried out constantly, so that the time is shortened. And the chip platform adopts a warehouse-in and warehouse-out device, so that the high-precision Y-axis stroke is reduced, the device space is further reduced, and the system complexity and the cost are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chip platform positioner realizes the accurate location of biochip testing process in XYZ axle orientation to adopt into and out storehouse unit, reduce system complexity and cost.
In order to achieve the above object, the utility model provides a chip platform positioner, include: the positioning device comprises a positioning plate 2, a base 3, a chip tray 4, a Z-axis direction positioning unit and an XY plane positioning unit;
the positioning plate 2 is fixedly arranged below the Y-axis moving plate 1, and the Y-axis moving plate 1 is used for positioning the positioning plate 2;
the chip tray 4 is positioned between the positioning plate 2 and the base 3 and is used for placing a chip 5;
the Z-axis direction positioning unit drives the chip 5 to move in the Z-axis direction, and the XY plane positioning unit drives the chip 5 to move in the XY plane direction;
the Z-axis direction positioning unit and the XY plane positioning unit share the same power unit.
In some specific embodiments, the chip warehouse also comprises a chip warehouse-in and warehouse-out unit;
when the chip tray 4 is taken out of the bin, the chip tray extends out of the positioning device and is used for taking and placing the chip 5;
when the warehouse is in the position, the chip 5 is positioned below the positioning plate 2.
In some embodiments, the chip in-out unit includes:
the frame 11 is used for accommodating the chip tray 4, and a guide groove 6 is arranged on the inner side of the frame 11 along the warehouse-in and warehouse-out direction;
a first motor 10 and a transport mechanism for transporting the chip tray 4 along the guide slot 6 between an out-of-bin position and an in-bin position.
In some embodiments, the first motor 10 is fixed on the frame 11 through the motor fixing seat 9; the transmission mechanism comprises a gear 7 and a rack 8, the gear 7 is arranged on an output shaft of a first motor 10, and the rack 8 is arranged on the chip tray 4; the chip tray 4 is provided with a guide rail 41 which is matched with the guide groove 6 to slide; when the first motor 10 rotates, the gear 7 is driven to rotate, and the rack 8 drives the chip tray 4 to move along the guide groove 6.
In some embodiments, the Z-axis direction positioning unit includes:
the refrigerating sheet assembly 12 is fixedly connected to the base 3 through a left slider 20 and a right slider 22, and is used for heating/refrigerating the chip 5, controlling the temperature and lifting the chip 5 to move along the Z-axis direction;
and the sliding block guide rails 17 are arranged on two sides of the frame 11 and are used for being matched and slidably connected with the left sliding block 20 and the right sliding block 22.
In some embodiments, the refrigerant sheet assembly 12 is provided with a plurality of holes, which are fixedly connected to the base 3 by pins fitted to corresponding positions of the left slider 20 and the right slider 22, and elastic members are provided on the pins.
In some embodiments, the XY plane positioning unit includes:
a plurality of positioning holes 51 provided on the chip 5; a plurality of positioning pins 52 provided on the lower surface of the positioning plate 2 and corresponding to the plurality of positioning holes 51; when the cooling plate assembly 12 holds the chip 5 and moves towards the positioning plate 2 along the Z-axis direction, the positioning hole 51 is inserted into the positioning pin 52;
the push pin 16 is rotationally connected to the base 3, and a push pin groove 161 is formed in the chip 5; when the refrigerant sheet assembly 12 holds the chip 5 and moves toward the positioning plate 2 in the Z-axis direction, the push pins 16 push the chip 5 in the push pin grooves 161 so that the positioning holes 51 thereof are aligned toward the positioning pins 52.
In some embodiments, the pivot shaft 18 of the push pin 16 is fixed on the base 3, the push pin 16 has a circular hole in the middle thereof for rotating around the pivot shaft 18, one end of the push pin 16 is a spherical structure 31 capable of sliding along a guide plate 19, the guide plate 19 is fixed on the frame, the other end of the push pin 16 is provided with a tension spring 15 at the bottom and is connected to the base 3 through the tension spring 15, and the guide plate 19 is a curved shape with a variable cross section and is fixed on the frame 11.
In some embodiments, the power unit is mounted on a lifting fixing base 29, and the lifting fixing base 29 is fixedly connected below the frame 11;
the power unit includes:
the second motor 23 is fixedly arranged on the lifting fixed seat 29 through a motor mounting seat 24;
and the lifting chute plate 21 is connected with the base 3 in a sliding manner, and drives the base 3 to move in the Z-axis direction through the rotation of the second motor 23.
In some embodiments, the output shaft of the second motor 23 is connected to the screw 28 through a coupling 25; a nut 27 is arranged on the screw rod 28, and the nut 27 is fixedly connected to the lifting chute plate 21; the lifting chute plate 21 is provided with a chute inclined hole 30, and the chute inclined hole 30 is connected with the cylindrical shaft on the base 3 in a sliding manner;
when the second motor 23 rotates, the screw 28 is driven to move linearly in the axial direction, the nut 27 drives the lifting chute plate 21 to move linearly in the axial direction, and the lifting chute plate 21 pushes the base 3 to move along the Z-axis direction through the chute inclined hole 30.
To sum up, the utility model provides a chip platform positioning device, which comprises a positioning plate 2, a base 3, a chip tray 4, a Z-axis direction positioning unit and an XY plane positioning unit; the Z-axis direction positioning unit drives the chip 5 to move in the Z-axis direction, and the XY plane positioning unit drives the chip 5 to move on the XY plane; the Z-axis direction positioning unit and the XY plane positioning unit share the same power unit.
The above technical scheme of the utility model has following profitable technological effect:
1. the positioning device adopts a Z-axis direction positioning unit and an XY plane positioning unit to realize accurate positioning of the biochip in XYZ directions. Because the upper positioning plate is adopted for positioning and is also the chip positioning reference surface, in the temperature control process of heating and refrigerating the refrigerating sheet assembly, the whole refrigerating sheet assembly can sink towards Z direction under the action of expansion with heat and contraction with cold, the chip detection surface basically keeps the Z direction unchanged at the moment, the deformation influence of expansion with heat and contraction with cold during temperature control is greatly reduced, an objective lens is not used, and Z direction focusing is carried out constantly, so that the time is shortened.
2. The Z-axis direction positioning unit and the XY plane positioning unit of the positioning device share the same power unit, so that the number of parts is reduced, and the manufacturing cost is reduced.
3. The chip platform adopts a warehouse-in and warehouse-out device, so that the high-precision Y-axis stroke is reduced, the device space is further reduced, and the system complexity and cost are reduced.
Drawings
FIG. 1 is a schematic structural view of the positioning device of the present invention at a delivery position;
FIG. 2 is a schematic structural view of the positioning device of the present invention at the position of the storage space;
fig. 3 is a schematic structural view of the Z-axis direction positioning unit of the present invention;
FIG. 4 is a schematic structural view of the XY plane positioning unit of the present invention;
fig. 5 is a schematic structural diagram of a power unit of the positioning device of the present invention.
Reference numerals:
1: a Y-axis motion plate; 2: positioning a plate; 3: a base; 4: a tray; 41: a guide rail; 5: a chip; 51: positioning holes; 52: positioning pins; 6: a guide groove; 7: a gear; 8: a rack; 9: a motor fixing seat; 10: a first motor; 11: a frame; 12: a cooling fin assembly; 121: positioning blocks; 14: a spring; 15: a tension spring; 16: a promotion; 161: a push pin slot; 17: a slider guide rail; 18: a rotating shaft; 19: a guide plate; 20: a left slider; 21: a lifting chute plate; 22: a right slider; 23: a second motor; 24: a motor mounting seat; 25: a coupling; 26: a coupler mounting seat; 27: a nut; 28: a screw rod; 29: a lifting fixed seat; 30: chute inclined holes; 31: a spherical structure; 32: a columnar structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model discloses a chip platform is hoist and mount below the Y axle motion board of two-dimensional motion platform. The locating plate of this device is direct fixed with Y axle motion board, and the plane of locating plate and chip contact is the reference surface, only needs to guarantee the locating plate reference surface plane degree and just can realize the required precision after the chip dress card with the depth of parallelism of two-dimensional motion axle, compares traditional structure and can reduce the error that excessive piece brought in a large number, improves the precision.
Detailed description of the preferred embodimentsa chip table positioning device according to the present invention is shown in fig. 1-3, and comprises: the device comprises a Y-axis motion plate 1, a positioning plate 2, a base 3, a chip tray 4, a Z-axis direction positioning unit and an XY plane positioning unit. The positioning plate 2 is fixedly arranged below the Y-axis moving plate 1 and used for positioning a reference surface of the position of the chip. The chip tray 4 is located between the positioning plate 2 and the base 3, and is used for placing the chip 5. The Z-axis direction positioning unit drives the chip (5) to move in the Z-axis direction, and the XY plane positioning unit drives the chip (5) to move in the XY plane direction; the Z-axis direction positioning unit and the XY plane positioning unit share the same power unit.
As shown in figure 1, the whole structure of the chip platform positioning device is hoisted under the two-dimensional motion platform, namely, the positioning plate 2 is hoisted and fixed under the Y-axis motion plate 1. The positioner base 3 is at the lowest position and the tray 4 is at the outermost end for the user to pick and place the biochip 5.
The positioning device further comprises a chip warehouse-in and warehouse-out unit, and the chip warehouse-in and warehouse-out function can be realized by adopting the unit, as shown in fig. 1 and 2, the chip warehouse-out position is shown in fig. 1, and the chip warehouse-in position is shown in fig. 2, so that the function of conveniently taking and placing the chip is realized.
Specifically, as shown in fig. 2, the chip in-out unit includes: the frame 11 is used for accommodating the chip tray 4, and a guide groove 6 is arranged on the inner side of the frame 11 along the warehouse-in and warehouse-out direction; a first motor 10 and a transport mechanism for transporting the chip tray 4 along the guide slot 6 between the out-of-bin position and the in-bin position. The first motor 10 is fixed on the frame 11 through the motor fixing seat 9; the transmission mechanism comprises a gear 7 and a rack 8, the gear 7 is arranged on an output shaft of a first motor 10, and the rack 8 is arranged on the chip tray 4; the chip tray 4 is provided with a guide rail 41 which is matched with the guide groove 6 to slide. When the first motor 10 rotates, the gear 7 is driven to rotate, the gear 7 drives the rack 8 to move, and the rack 8 drives the chip tray 4 to move along the guide groove 6 through the guide rail 41.
By adopting the chip in-and-out bin unit, when the chip is taken out of the bin, the tray extends out of the positioning device and is used for taking and placing the chip, and the tray is provided with the chip shell contour-shaped sinking groove and the guide groove, so that a user can take and place the chip conveniently. The bottom of the tray is provided with a rack or a belt structure, so that the movement in the in-and-out direction can be realized. By adopting the chip warehouse-in and warehouse-out unit, when in warehouse-in position, the chip is positioned below the positioning plate, the tray is provided with a hollow slotted hole, and the refrigerating sheet assembly 12 does ascending motion in the Z-axis direction and passes through the hollow slotted hole of the tray to support the chip to move. The power source of the tray is a speed reducing motor. The two sides of the tray are provided with guide rails which can horizontally slide along the guide grooves of the frame.
The chip platform positioning device of the utility model is roughly divided into two parts, namely a Z-axis direction positioning unit for realizing the Z-direction positioning of a chip; and the second is an XY plane positioning unit which realizes the XY direction positioning of the chip through a multipoint positioning and pushing device. The two parts can be linked to realize the positioning function of the chip in the XYZ direction. The Z-axis and XY-plane positioning units can be executed by sharing a set of power devices.
Specifically, as shown in fig. 3, the Z-axis direction positioning unit includes: the refrigerating sheet assembly 12 is fixedly connected to the base 3 through a left sliding block 20 and a right sliding block 22, and the refrigerating sheet assembly 12 is used for heating/refrigerating the chip 5 to control the temperature of the chip and lifting the chip 5 to move along the Z-axis direction; and the sliding block guide rails 17 are arranged on two sides of the frame 11 and are used for being matched and connected with the left sliding block 20 and the right sliding block 22 in a sliding mode, so that the left sliding block 20 and the right sliding block 22 can move along the sliding block guide rails 17 in the Z-axis direction.
The refrigerating sheet assembly 12 is provided with a plurality of holes which are fixedly connected to the base 3 through pins which are cooperatively arranged at corresponding positions of the left slider 20 and the right slider 22, and elastic elements are arranged on the pins. In a preferred embodiment, the cooling plate assembly 12 is a quadrilateral, with positioning blocks 121 extending outward from four corners, and each positioning block 121 is provided with a hole; the number of the left slide block 20 and the number of the right slide block 22 are two, and each slide block is provided with a pin; the holes on the positioning blocks 121 correspond to the pins one to one, so that the refrigerating sheet assemblies 12 are connected to the left and right sliders 20 and 22 through the pins and fixed on the base 3.
Furthermore, an elastic element is arranged on the pin and used for separating the left sliding block and the right sliding block from the refrigerating sheet assembly and providing supporting force for the refrigerating sheet assembly. The elastic elements can be selected as springs or rubber pads specifically, as shown in fig. 3, when the chip 5 is in rigid contact with the upper positioning plate, the four springs 14 keep pre-pressure, so that the plane of the chip is in contact with the reference surface of the upper positioning plate to keep constant force, the risk of crushing the chip is fully avoided, meanwhile, the whole refrigerating sheet assembly can sink towards the Z-axis direction due to the effects of expansion with heat and contraction with cold in the temperature control process of the refrigerating sheet assembly, and the springs or the rubber pads on the pins deform to play a role in buffering, so that the Z-direction positioning function of the chip can be realized.
By adopting the Z-axis direction positioning unit, the refrigerating sheet component drives the chip to move along the Z-axis direction, so that the plane of the chip is completely contacted with the datum plane of the upper positioning plate. The refrigerating sheet assembly is installed on the base through a left sliding block and a right sliding block, and a sliding block guide rail is installed on the base in the lateral direction to be matched with the left sliding block and the right sliding block so as to realize Z-axis direction movement.
Specifically, as shown in fig. 1 and 4, the XY plane positioning unit includes: a plurality of positioning holes 51 provided on the chip 5; a plurality of positioning pins 52 provided on the lower surface of the positioning plate 2, corresponding to the plurality of positioning holes 51; when the refrigeration piece assembly 12 holds the chip 5 to move towards the positioning plate 2 along the Z-axis direction, the positioning hole 51 is inserted into the positioning pin 52; a push pin 16 rotatably connected to the base 3, and a push pin slot 161 is formed on the chip 5; when the cooling plate assembly 12 holds the chip 5 and moves toward the positioning plate 2 along the Z-axis direction, the push pin 16 pushes the chip 5 in the push pin groove 161 to move in the plane of the XY plane, so that the positioning hole 51 is aligned toward the positioning pin 52.
The push pin 16 has a specific structure as shown in fig. 3, the rotating shaft 18 is fixed on the base 3, the push pin 16 has a circular hole in the middle thereof for rotating around the rotating shaft 18, one end of the push pin 16 is a spherical structure 31 capable of sliding along the guide plate 19, the guide plate 19 is fixed on the frame, the other end of the push pin 16 is provided with a tension spring 15 at the bottom and is connected to the base 3 through the tension spring 15, and the guide plate 19 is a curved surface shape with a variable cross section and is fixed on the frame 11. When the base 3 moves in the Z-axis direction, the columnar structure 32 at the other end of the push pin 16 can push the chip 5 to align with the positioning pin on the XY plane, so as to realize the XY plane positioning function, and the specific implementation manner is shown in fig. 4, which is a cross-sectional view with a chip and an upper positioning plate.
As shown in fig. 4, which is a chip Z-direction positioning, three-point positioning and pushing device, in the process that the refrigeration plate assembly 12 holds up the chip 5 and moves upward in the Z-axis direction, three positioning holes 51 are formed in the housing at two right-angle sides of the chip 5, and gradually pass through three positioning pins 52 of the upper positioning plate 2, as shown by the dotted square in the figure. Initially, the positioning holes 51 on the two sides of the chip 5 do not completely contact the three positioning pins 52 of the upper positioning plate 2, and as the push pin 16 moves in the direction of the arrow shown in fig. 4 due to the linkage structure during the lifting, the push pin 16 pushes the shell of the chip 5 during the movement, so that the three positioning pins 52 of the upper positioning plate 2 of the chip 5 are aligned. By adopting the structure, the pushing pin device can realize the positioning function of the chip to the XY plane. The linkage structure simultaneously realizes the functions of positioning the chip in the Z-axis direction and three-point positioning on an XY plane.
The Z-axis direction positioning device and the XY plane positioning device can share one set of power unit. As shown in fig. 5, fig. 5 is a rear view of the power device for precisely positioning the chip. The power unit is mounted on a lifting fixing base 29, and the lifting fixing base 29 is fixedly connected below the frame 11. The power unit includes: the second motor 23 is fixedly arranged on the lifting fixed seat 29 through a motor mounting seat 24; and the lifting chute plate 21 is connected with the base 3 in a sliding manner, and drives the base 3 to move in the Z-axis direction through the rotation of the second motor 23. An output shaft of the second motor 23 is connected with a screw rod 28 through a coupling 25, and the screw rod 28 is installed on a lifting fixed seat 29 through a screw rod installation seat 26; the screw 28 is provided with a nut 27, and the nut 27 is fixedly connected to the lifting chute plate 21 so as to enable the lifting chute plate 21 to move linearly along the axial direction of the screw 28; the lifting chute plate 21 is provided with a chute inclined hole 30, and the chute inclined hole 30 is connected with the cylindrical shaft on the base 3 in a sliding manner. When the second motor 23 rotates, the screw rod 28 is driven to rotate, the screw rod rotates to realize axial linear motion of the nut, the nut 27 drives the lifting chute plate 21 to axially linearly move, and the lifting chute plate 21 pushes the base 3 to move along the Z-axis direction through the chute inclined hole 30. The base 3 is fixedly connected with a left slider plate 20 and a right slider plate 22, the left slider plate 20 and the right slider plate 22 are respectively connected with the guide rail sliders 17 on two sides of the frame, and the sliding slot hole of the lifting sliding slot plate 21 is in sliding connection with the cylindrical shaft of the base 3, so that the purpose is to realize that the Z-shaped upward and downward movement of the base 3 can be pushed when the lifting sliding slot plate 21 moves along the axial direction of the screw rod 28. By adopting the structure, the force-increasing function can be further realized, and sufficient Z-direction power is provided.
Preferably, the second motor 23 is a reduction motor.
The utility model provides a chip platform positioner's working process as follows: rotating a first motor, wherein the first motor drives a gear and a rack to move, so that the tray is positioned at a delivery position, and the biochip is put into a sink groove on the tray; reversely rotating the first motor to enable the tray to return to the warehouse entering position; the second motor is rotated, the second motor drives the screw rod to rotate through the coupler and drives the nut to do axial linear motion, the nut drives the lifting chute plate to do axial linear motion simultaneously, and the lifting chute plate drives the base to move in the Z-axis direction through the chute inclined hole and the cylindrical shaft; the base supports the refrigerating sheet assembly to move upwards together, so that the chip is in rigid contact with the upper positioning plate, the spring keeps pre-pressure at the moment, the plane of the chip is in contact with the reference surface of the upper positioning plate to keep constant force, and meanwhile, the risk of crushing the chip is avoided; at the moment, the whole refrigerating sheet assembly sinks downwards towards the Z axis due to the effects of expansion with heat and contraction with cold in the temperature control process of the refrigerating sheet assembly, and the spring deformation plays a role in buffering and preventing the refrigerating sheet assembly from sinking, so that the stability of the chip in the Z axis direction is ensured, and the height change cannot be generated constantly; in the upward movement process of the chip, the pushing pin structure pushes the chip to move in the XY plane, so that the positioning hole in the chip is aligned to the positioning pin on the lower surface of the positioning plate, and finally the positioning pin is inserted into the positioning hole, so that the accurate positioning of the chip on the XY plane is achieved.
To sum up, the utility model provides a chip platform positioning device, which comprises a Y-axis moving plate, a positioning plate, a base, a chip tray, a Z-axis direction positioning unit and an XY plane positioning unit; the Z-axis direction positioning unit drives the chip to move in the Z-axis direction, and the XY plane positioning unit drives the chip to move in the XY plane direction; the Z-axis direction positioning unit and the XY plane positioning unit share the same power unit.
The utility model discloses a chip platform positioner adopts Z axle direction positioning unit and XY plane positioning unit, realizes the accurate location of biochip XYZ orientation. Because the upper positioning plate is adopted for positioning and is also the chip positioning reference surface, in the temperature control process of heating and refrigerating the refrigerating sheet assembly, the whole refrigerating sheet assembly can sink towards Z direction under the action of expansion with heat and contraction with cold, the chip detection surface basically keeps the Z direction unchanged at the moment, the deformation influence of expansion with heat and contraction with cold during temperature control is greatly reduced, an objective lens is not used, and Z direction focusing is carried out constantly, so that the time is shortened. The Z-axis direction positioning unit and the XY plane positioning unit of the positioning device share the same power unit, so that the number of parts is reduced, and the manufacturing cost is reduced. The positioning device of the chip platform adopts a warehouse-in and warehouse-out device, reduces the high-precision Y-axis stroke, further reduces the space of the device and reduces the complexity and the cost of the system.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (12)
1. A chip table positioning apparatus, comprising: the positioning device comprises a positioning plate (2), a base (3), a chip tray (4), a Z-axis direction positioning unit and an XY plane positioning unit;
the positioning plate (2) is fixedly arranged below the Y-axis moving plate (1), and the Y-axis moving plate (1) is used for positioning the positioning plate (2);
the chip tray (4) is positioned between the positioning plate (2) and the base (3) and is used for placing a chip (5);
the Z-axis direction positioning unit drives the chip (5) to move in the Z-axis direction, and the XY plane positioning unit drives the chip (5) to move in the XY plane direction;
the Z-axis direction positioning unit and the XY plane positioning unit share the same power unit.
2. The apparatus of claim 1, further comprising a chip in-out unit;
when the chip tray (4) is taken out of the bin, the chip tray extends out of the positioning device and is used for taking and placing the chip (5);
when the bin is fed, the chip (5) is positioned below the positioning plate (2).
3. The apparatus of claim 2, wherein the chip in-out-of-bin unit comprises:
the frame (11) is used for accommodating the chip tray (4), and a guide groove (6) is arranged on the inner side of the frame (11) along the direction of going in and out of the bin;
a first motor (10) and a conveying mechanism for conveying the chip tray (4) between the delivery position and the feeding position along the guide groove (6).
4. The stage positioning device according to claim 3, wherein the first motor (10) is fixed to the frame (11) by a motor holder (9); the transmission mechanism comprises a gear (7) and a rack (8), the gear (7) is installed on an output shaft of the first motor (10), and the rack (8) is installed on the chip tray (4); the chip tray (4) is provided with a guide rail (41) which is matched with the guide groove (6) to slide; when the first motor (10) rotates, the gear (7) is driven to rotate, and the rack (8) drives the chip tray (4) to move along the guide groove (6).
5. The stage positioning apparatus according to any one of claims 1 to 4, wherein the Z-axis direction positioning unit includes:
the refrigerating sheet assembly (12) is fixedly connected to the base (3) through a left sliding block (20) and a right sliding block (22) and used for heating/refrigerating the chip (5), controlling the temperature and supporting the chip (5) to move along the Z-axis direction;
and the sliding block guide rails (17) are arranged on two sides of the frame (11) and are matched and slidably connected with the left sliding block (20) and the right sliding block (22).
6. The apparatus according to claim 5, wherein the cooling plate assembly (12) is provided with a plurality of holes, the plurality of holes are fixedly connected to the base (3) by pins fitted to corresponding positions of the left slider (20) and the right slider (22), and elastic elements are provided on the pins.
7. The stage positioning apparatus according to claim 5, wherein the XY plane positioning unit includes:
a plurality of positioning holes (51) provided on the chip (5); a plurality of positioning pins (52) which are arranged on the lower surface of the positioning plate (2) and are arranged corresponding to the plurality of positioning holes (51); when the refrigerating sheet assembly (12) holds the chip (5) to move to the positioning plate (2) along the Z-axis direction, the positioning hole (51) is inserted into the positioning pin (52);
the push pin (16) is rotatably connected to the base (3), and a push pin groove (161) is formed in the chip (5); when the refrigerating sheet assembly (12) holds the chip (5) and moves towards the positioning plate (2) along the Z-axis direction, the push pin (16) pushes the chip (5) in the push pin groove (161) to align the positioning hole (51) of the chip towards the positioning pin (52).
8. The stage positioning apparatus according to claim 6, wherein the XY plane positioning unit includes:
a plurality of positioning holes (51) provided on the chip (5); a plurality of positioning pins (52) which are arranged on the lower surface of the positioning plate (2) and are arranged corresponding to the plurality of positioning holes (51); when the refrigerating sheet assembly (12) holds the chip (5) to move to the positioning plate (2) along the Z-axis direction, the positioning hole (51) is inserted into the positioning pin (52);
the push pin (16) is rotatably connected to the base (3), and a push pin groove (161) is formed in the chip (5); when the refrigerating sheet assembly (12) holds the chip (5) and moves towards the positioning plate (2) along the Z-axis direction, the push pin (16) pushes the chip (5) in the push pin groove (161) to align the positioning hole (51) of the chip towards the positioning pin (52).
9. The chip table positioning device according to claim 7, wherein the rotating shaft (18) of the push pin (16) is fixed on the base (3), the push pin (16) has a circular hole in the middle thereof for rotating around the rotating shaft (18), one end of the push pin (16) is a spherical structure (31) which can slide along a guide plate (19), the guide plate (19) is fixed on the frame (11), the other end of the push pin (16) is provided with a tension spring (15) at the bottom thereof and is connected to the base (3) through the tension spring (15), and the guide plate (19) is a curved shape with a variable cross section and is fixed on the frame (11).
10. The chip table positioning device according to claim 8, wherein the pivot (18) of the push pin (16) is fixed on the base (3), the push pin (16) has a circular hole in the middle thereof for rotating around the pivot (18), one end of the push pin (16) is a spherical structure (31) which can slide along a guide plate (19), the guide plate (19) is fixed on the frame (11), the other end of the push pin (16) is provided with a tension spring (15) at the bottom thereof and is connected to the base (3) through the tension spring (15), and the guide plate (19) is a curved shape with a variable cross section and is fixed on the frame (11).
11. The stage positioning device according to any of claims 7-10, wherein the power unit is mounted on a lifting holder (29), said lifting holder (29) being fixedly connected below the frame (11);
the power unit includes:
the second motor (23) is fixedly arranged on the lifting fixed seat (29) through a motor mounting seat (24);
and the lifting chute plate (21) is in sliding connection with the base (3) and drives the base (3) to move in the Z-axis direction by the rotation of the second motor (23).
12. The die table positioning device according to claim 11, wherein the output shaft of the second motor (23) is connected with a lead screw (28) through a coupling (25); a nut (27) is arranged on the screw rod (28), and the nut (27) is fixedly connected to the lifting chute plate (21); the lifting chute plate (21) is provided with a chute inclined hole (30), and the chute inclined hole (30) is connected with a cylindrical shaft on the base (3) in a sliding manner;
when the second motor (23) rotates, the screw rod (28) is driven to do axial linear motion, the lifting chute plate (21) is driven to do axial linear motion through the nut (27), and the lifting chute plate (21) pushes the base (3) to move along the Z-axis direction through the chute inclined hole (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218342.7U CN210180926U (en) | 2018-12-27 | 2018-12-27 | Chip platform positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822218342.7U CN210180926U (en) | 2018-12-27 | 2018-12-27 | Chip platform positioner |
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| Publication Number | Publication Date |
|---|---|
| CN210180926U true CN210180926U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822218342.7U Active CN210180926U (en) | 2018-12-27 | 2018-12-27 | Chip platform positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612996A (en) * | 2018-12-27 | 2019-04-12 | 赛纳生物科技(北京)有限公司 | A kind of chip platform positioning device |
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2018
- 2018-12-27 CN CN201822218342.7U patent/CN210180926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612996A (en) * | 2018-12-27 | 2019-04-12 | 赛纳生物科技(北京)有限公司 | A kind of chip platform positioning device |
| CN109612996B (en) * | 2018-12-27 | 2024-02-13 | 赛纳生物科技(北京)有限公司 | Chip table positioning device |
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