Automatic pick-and-place device for chips

Abstract

The utility model relates to the field of semiconductor testing equipment, in particular to an automatic chip taking and placing device which comprises a device beam, a plurality of supports used for installing suction nozzles are installed on the device beam in a sliding mode, and the supports are driven by a first motor at the end of the device beam. An even number of groups of first driving wheels are arranged on an output shaft of the first motor, each first driving wheel is connected with supports correspondingly distributed on the device cross beam through a first transmission belt, the number of the supports is n, and the supports corresponding to the single first driving wheels are the first and nth, the second and (n-1) th, the third and (n-2) th and the like; the front face of the support is detachably provided with a suction nozzle, and the back face of the support is provided with a sliding part matched with the front face of the device beam and a first fixing part fixedly connected with the first transmission belt. The suction nozzle can be quickly positioned, the operation is simple, and the efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of semiconductor testing equipment, and in particular to an automatic chip pick-and-place device. Background Technology

[0002] Existing semiconductor automated testing equipment typically requires a pick-and-place device with a robotic arm to pick up and place chips. However, conventional robotic arm pick-and-place devices usually involve multiple nozzles, and controlling multiple nozzles often requires multiple drive mechanisms. Adjusting the spacing between multiple nozzles and positioning the nozzles often requires complex mechanical mechanisms and numerous control programs. Therefore, the equipment requires a long adjustment time and is relatively inconvenient to operate. Thus, there is an urgent need for a chip pick-and-place device that is simple and convenient to operate. Utility Model Content

[0003] In order to overcome the problems existing in the prior art, this application provides an automatic chip pick-and-place device.

[0004] The automatic chip pick-and-place device provided in this application adopts the following technical solution:

[0005] An automatic chip loading and unloading device includes a crossbeam with a plurality of brackets for mounting nozzles slidably mounted on it. The brackets are driven by a first motor at the end of the crossbeam. The first motor has an even number of first drive wheels on its output shaft, and each first drive wheel is connected to a bracket corresponding to a bracket distributed on the crossbeam via a first transmission belt. The number of brackets is n, and the brackets corresponding to a single first drive wheel are the 1st and nth, the 2nd and n-1th, the 3rd and n-2th, and so on. The brackets have nozzles detachably mounted on their front sides and sliding parts that cooperate with the front side of the crossbeam and first fixing parts that are fixedly connected to the first transmission belt on their back sides.

[0006] By adopting the above technical solution, the automatic chip pick-and-place device is mounted on a bracket on the device beam. A first drive wheel on the output shaft of the first motor drives the bracket fixed to the first transmission belt to move. Multiple first drive wheels correspond to different brackets, thus, under their rotation, the brackets located on several first transmission belts can disperse and converge. The bracket slides on the device beam via a sliding part on its back and is fixed to the first transmission belt via a first fixing part, thereby ensuring precise control.

[0007] Preferably, the support adopts an L-shaped structure, including a back plate and an L-shaped plate that slides up and down on the back plate, wherein the back plate is slidably connected to the device beam through a sliding part on the back side, and the L-shaped plate holds a pipe with a suction nozzle.

[0008] By adopting the above technical solution, the bracket adopts an L-shaped structure, in which the back plate is used to slide horizontally with the device crossbeam, and the L-shaped plate is used to slide longitudinally on the back plate, thereby enabling horizontal and vertical adjustment of the position of the suction nozzle.

[0009] Preferably, the sliding part includes a sliding protrusion mounted on the device crossbeam and a sliding groove mounted on the back plate, wherein the limiting strips provided on the two inner sides of the sliding groove are adapted to the limiting grooves on the two sides of the sliding protrusion.

[0010] By adopting the above technical solution, the sliding part is slidably connected to the sliding protrusion with the limiting groove through the sliding groove with the limiting strip, so as to realize the dispersion and aggregation between the nozzles under the control of the first motor.

[0011] Preferably, the back plate is equipped with two upper and two lower second drive wheels, and the second drive wheels are driven by a second motor. The second drive wheels drive the L-shaped plate fixed on the second drive belt to rise and fall through the second drive belt, and the back of the L-shaped plate is connected to the back plate through a sliding part.

[0012] By adopting the above technical solution, the second drive wheel on the back plate, driven by the second motor, drives the L-shaped plate to rise and fall on the back plate through the second transmission belt wrapped around the second drive wheel, thereby realizing the lifting and lowering control of the suction nozzle.

[0013] Preferably, the L-shaped plate includes a vertical plate and a horizontal plate, wherein the vertical plate is connected to the back plate, the second fixing part on the back of the vertical plate is fixedly connected to the second transmission belt, and the horizontal plate is provided with a clamping groove for clamping the suction nozzle, and the opening end of the clamping groove is provided with a locking bolt.

[0014] By adopting the above technical solution, the vertical plate in the L-shaped plate is connected to the back plate, and the clamping groove on the horizontal plate is used to clamp the pipe with the suction nozzle and is fixed by locking bolts.

[0015] Preferably, the center of the horizontal plate is rotatably connected to the bottom of the vertical plate via a rotating shaft, and a semi-circular gear is provided at the top of the end of the horizontal plate near the vertical plate, and a micro motor that drives the semi-circular gear to rotate is installed on the vertical plate.

[0016] By adopting the above technical solution, the horizontal plate is rotatably connected to the bottom of the vertical plate via a rotating shaft, and the semi-circular gear at the top of the horizontal plate cooperates with the micro motor on the vertical plate. The micro motor drives the horizontal plate to rotate, thereby adjusting the suction angle of the suction nozzle installed on it.

[0017] Preferably, both sides of the bracket are equipped with contact sensors, and the contact sensors are connected to the alarm at the top of the bracket.

[0018] Preferably, the circumferential array of the first and second drive wheels has limiting protrusions, which respectively engage with limiting grooves on the first and second transmission belts for transmission.

[0019] By adopting the above technical solution, the rotation of the first drive wheel and the second drive wheel can stably drive the first transmission belt and the second transmission belt to transmit power on them, respectively.

[0020] In summary, this application includes at least one of the following beneficial technical effects:

[0021] 1. This application controls the rotation of the belt by a motor, which enables the suction nozzle to aggregate and disperse, greatly improving the accuracy of chip suction, saving time, and reducing unnecessary time and cost waste;

[0022] 2. The device of this application is equipped with an automatic chip pick-and-place device. Before the device is run, the spacing of the suction nozzles is determined by adjusting the motor rotation to fix the device in place before it starts running. This device can quickly position the suction nozzles, is simple to operate, and improves efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of an automatic chip pick-and-place device;

[0024] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0025] Figure 3 This is a schematic diagram of the overall rear structure of an automatic chip pick-and-place device;

[0026] Figure 4 yes Figure 3 Enlarged view of section B in the middle.

[0027] Explanation of reference numerals in the attached drawings: 1. Device crossbeam; 2. First motor; 3. Bracket; 31. Back plate; 311. Second drive wheel; 312. Second motor; 313. Second transmission belt; 32. L-shaped plate; 321. Vertical plate; 322. Horizontal plate; 323. Clamping groove; 324. Locking bolt; 325. Semi-circular gear; 326. Micro motor; 33. Contact sensor; 34. Alarm; 4. First drive wheel; 5. First transmission belt; 6. Suction nozzle; 7. Sliding part; 71. Sliding protrusion; 711. Limiting groove; 72. Sliding groove body; 721. Limiting strip; 8. First fixing part; 9. Second fixing part. Detailed Implementation

[0028] The following is combined with Figure 1-4 This application is described in further detail.

[0029] This application discloses an automatic chip pick-and-place device.

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 An automatic chip pick-and-place device includes a crossbeam 1, on which several brackets 3 for mounting nozzles 6 are slidably mounted. The brackets 3 are driven by a first motor 2 at the end of the crossbeam 1. The first motor 2 has two sets of first drive wheels 4 on its output shaft. Each first drive wheel 4 is connected to a corresponding bracket 3 distributed on the crossbeam 1 via a first transmission belt 5. The number of brackets 3 is four, with each first drive wheel 4 corresponding to the 1st and 4th, and the 2nd and 3rd brackets, respectively. Each bracket 3 has a nozzle 6 detachably mounted on its front side, and a sliding part 7 that engages with the front side of the crossbeam 1 and a first fixing part 8 that is fixedly connected to the first transmission belt 5 on its back side. The automatic chip pick-and-place device is mounted on the brackets 3 on the crossbeam 1. The first drive wheels 4 on the output shaft of the first motor 2 drive the brackets 3 fixed on the first transmission belt 5 to move. The multiple first drive wheels 4 correspond to different brackets 3, thus, under their rotation, the brackets 3 located on the multiple first transmission belts 5 can disperse and converge. The bracket 3 slides on the device beam 1 via the sliding part 7 on the back and is fixed to the first transmission belt 5 via the first fixing part 8, thereby ensuring precise control.

[0031] Reference Figure 1 and Figure 2 The support 3 adopts an L-shaped structure, including a back plate 31 and an L-shaped plate 32 that slides up and down on the back plate 31. The back plate 31 is slidably connected to the device beam 1 via a sliding part 7 on its back side, and the L-shaped plate 32 holds a pipe with a suction nozzle 6. The L-shaped structure of the support 3 allows the back plate 31 to slide horizontally with the device beam 1, and the L-shaped plate 32 to slide vertically on the back plate 31, thereby enabling horizontal and vertical adjustment of the position of the suction nozzle 6.

[0032] Reference Figure 1 , Figure 3 and Figure 4 The sliding part 7 includes a sliding protrusion 71 mounted on the device crossbeam 1 and a sliding groove 72 mounted on the back plate 31. The limiting strips 721 on the two inner sides of the sliding groove 72 are adapted to the limiting grooves 711 on the two sides of the sliding protrusion 71. The sliding part 7 is slidably connected to the sliding protrusion 71 with the limiting grooves 711 through the sliding groove 72 with the limiting strips 721, so as to realize the dispersion and aggregation between the suction nozzles 6 under the control of the first motor 2.

[0033] Reference Figure 1 and Figure 2The back plate 31 is equipped with two upper and two lower second drive wheels 311, which are driven by a second motor 312. The second drive wheels 311 drive an L-shaped plate 32 fixed on the second transmission belt 313 to rise and fall via a second transmission belt 313. The back of the L-shaped plate 32 is connected to the back plate 31 via a sliding part 7. Driven by the second motor 312, the second drive wheels 311 on the back plate 31 drive the L-shaped plate 32 to rise and fall on the back plate 31 via the second transmission belt 313, thereby controlling the rise and fall of the suction nozzle 6.

[0034] Reference Figure 1 and Figure 2 The L-shaped plate 32 includes a vertical plate 321 and a horizontal plate 322. The vertical plate 321 is connected to the back plate 31. The second fixing part 9 on the back of the vertical plate 321 is fixedly connected to the second transmission belt 313. The horizontal plate 322 is provided with a clamping groove 323 for clamping the suction nozzle 6, and the opening end of the clamping groove 323 is provided with a locking bolt 324. The vertical plate 321 in the L-shaped plate 32 is connected to the back plate 31, and the clamping groove 323 on the horizontal plate 322 is used to clamp the pipe with the suction nozzle 6 and is fixed by the locking bolt 324.

[0035] Reference Figure 1 and Figure 2 The center of the horizontal plate 322 is rotatably connected to the bottom of the vertical plate 321 via a pivot. A semi-circular gear 325 is provided at the top of the end of the horizontal plate 322 near the vertical plate 321. A micro motor 326 is mounted on the vertical plate 321 to drive the semi-circular gear 325 to rotate. The horizontal plate 322 is rotatably connected to the bottom of the vertical plate 321 via a pivot. The semi-circular gear 325 at the top of the horizontal plate 322 cooperates with the micro motor 326 on the vertical plate 321. The micro motor 326 drives the horizontal plate 322 to rotate, thereby adjusting the suction angle of the suction nozzle 6 mounted on it.

[0036] Reference Figure 1 Both sides of the bracket 3 are equipped with contact sensors 33, and the contact sensors 33 are connected to the alarm 34 on the top of the bracket 3. The main body of the contact sensor 33 is made of elastic material. The contact sensors 33 on both sides of the bracket 3 can promptly feed back to the alarm 34 when two adjacent brackets 3 collide, thereby prompting personnel to carry out maintenance. Furthermore, the elastic material of the contact sensor 33 provides cushioning when the brackets 3 collide, preventing damage to the structure of the bracket 3.

[0037] Working principle: Before the equipment is running, the position of the suction nozzle 6 is adjusted by adjusting the rotation of the first motor 2, which drives the bracket 3 on the crossbeam 1 of the drive device to adjust the position of the suction nozzle 6. The height of the suction nozzle 6 is adjusted by the second motor 312 on a single bracket 3. Then, the crossbeam 322 is rotated by the micro motor 326 on the vertical plate 321 to adjust the suction angle of the suction nozzle 6. After the adjustment is completed, the suction nozzle 6 begins to pick up and put down the chip.

[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An automatic chip pick-and-place device, characterized in that: include The device beam (1) has several brackets (3) for mounting the suction nozzles (6) slidably mounted on it, and the brackets (3) are driven by a first motor (2) at the end of the device beam (1). The first motor (2) has an even number of first drive wheels (4) on its output shaft, and each first drive wheel (4) is connected to a bracket (3) distributed on the device beam (1) via a first transmission belt (5). The number of brackets (3) is n, and the brackets (3) corresponding to each first drive wheel (4) are the 1st and nth, the 2nd and n-1st, the 3rd and n-2th, and so on. The bracket (3) has a suction nozzle (6) detachably mounted on its front side, and a sliding part (7) that cooperates with the front side of the device beam (1) and a first fixing part (8) that is fixedly connected to the first transmission belt (5) on its back side.

2. The automatic chip pick-and-place device according to claim 1, characterized in that: The bracket (3) adopts an L-shaped structure, including a back plate (31) and an L-shaped plate (32) that slides up and down on the back plate (31). The back plate (31) is slidably connected to the device beam (1) through the sliding part (7) on the back side, and the L-shaped plate (32) holds a pipe with a suction nozzle (6).

3. The automatic chip pick-and-place device according to claim 2, characterized in that: The sliding part (7) includes a sliding protrusion (71) installed on the device beam (1) and a sliding groove (72) installed on the back plate (31), wherein the limiting strips (721) provided on the two sides inside the sliding groove (72) are adapted to the limiting grooves (711) on the two sides of the sliding protrusion (71).

4. The automatic chip pick-and-place device according to claim 2, characterized in that: The back plate (31) is equipped with two upper and two lower second drive wheels (311), and the second drive wheels (311) are driven by the second motor (312). The second drive wheels (311) drive the L-shaped plate (32) fixed on the second transmission belt (313) to rise and fall through the second transmission belt (313). The back of the L-shaped plate (32) is connected to the back plate (31) through the sliding part (7).

5. The automatic chip pick-and-place device according to claim 4, characterized in that: The L-shaped plate (32) includes a vertical plate (321) and a horizontal plate (322). The vertical plate (321) is connected to the back plate (31). The second fixing part (9) on the back of the vertical plate (321) is fixedly connected to the second transmission belt (313). The horizontal plate (322) is provided with a clamping groove (323) for clamping the suction nozzle (6), and the opening end of the clamping groove (323) is provided with a locking bolt (324).

6. The automatic chip pick-and-place device according to claim 5, characterized in that: The center of the horizontal plate (322) is rotatably connected to the bottom of the vertical plate (321) via a rotating shaft, and a semi-circular gear (325) is provided at the top of one end of the horizontal plate (322) near the vertical plate (321), and a micro motor (326) for driving the semi-circular gear (325) to rotate is installed on the vertical plate (321).

7. The automatic chip pick-and-place device according to claim 1, characterized in that: Both sides of the bracket (3) are provided with contact sensors (33), and the contact sensors (33) are connected to the alarm (34) on the top of the bracket (3).

8. The automatic chip pick-and-place device according to claim 7, characterized in that: The first drive wheel (4) and the second drive wheel (311) have circumferential arrays of limiting protrusions, which respectively engage with limiting grooves on the first transmission belt (5) and the second transmission belt (313) for transmission.

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