CN219146060U - Vacuum suction nozzle mechanism for chip mounter and mounting head - Google Patents
Vacuum suction nozzle mechanism for chip mounter and mounting head Download PDFInfo
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- CN219146060U CN219146060U CN202222983553.6U CN202222983553U CN219146060U CN 219146060 U CN219146060 U CN 219146060U CN 202222983553 U CN202222983553 U CN 202222983553U CN 219146060 U CN219146060 U CN 219146060U
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- chip mounter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a vacuum suction nozzle mechanism and a mounting head for a Surface Mount Technology (SMT) chip mounter, and relates to the technical field of SMT chip mounters, wherein the vacuum suction nozzle mechanism comprises a lifting seat, a pneumatic connector, a hollow shaft and a synchronous wheel, the pneumatic connector and the hollow shaft are connected with the lifting seat through threads, the synchronous wheel is slidably sleeved on the hollow shaft, the synchronous wheel can drive the hollow shaft to rotate through a ball or a rolling pin, the vacuum suction nozzle mechanism can realize the two action requirements of lifting and rotating, the whole structure is relatively simple, the manufacturing is easy, and the manufacturing cost and the fault repairing cost are relatively low; the mounting head comprises the vacuum suction nozzle mechanism and the lifting driving device, wherein the lifting driving device comprises a lifting motor, a lifting belt, a lifting driving wheel and a lifting driven wheel, and the lifting belt is used for directly driving the vacuum suction nozzle mechanism to move up and down.
Description
Technical Field
The utility model relates to the technical field of SMT chip mounters, in particular to a vacuum suction nozzle mechanism and a mounting head for the chip mounter.
Background
The chip mounter is equipment for carrying out high-speed and high-precision chip mounting on components in SMT production, integrates optical, electric, gas and mechanical technologies, and is used for accurately placing SMD surface mount devices (comprising capacitors, resistors, ICs and the like) on corresponding bonding pads on a PCB (printed circuit board) through a pick-and-place program. The mounting head is the most complex and key component part of the chip mounter, and has the basic function of picking up SMC/SMD from the material taking part of the feeder, and mounting the SMC/SMD on a set position of a PCB after inspection, centering and azimuth correction.
The mounting head is mounted above the mounting area and may be provided with one or more SMD vacuum nozzles. In the process of pasting, the vacuum suction nozzle picks up the device, then the device is lifted and moved to the corresponding installation position, and the vacuum suction nozzle also needs to rotate to adjust the installation angle of the device during installation. When picking up or mounting devices, the vacuum suction nozzle can have up-and-down movement and rotation movement at the same time, and the existing mounting head has the following defects in design: the lifting motion in the existing mounting head is realized through a rocker arm structure, and the lifting motor is limited by the tension of the tension spring when the mounting head is mounted by means of the return of the tension spring, so that the load is larger, the rotating speed is limited, and the mounting speed is slower; because the vacuum suction nozzle has the requirements of lifting and rotating motion at the same time when in work, the existing mounting head is usually driven by adopting the matching of a spline shaft and a driving wheel with a spline hole, the processing and manufacturing cost is high, abrasion or blocking easily occurs, and the high-speed and accurate mounting requirement is not facilitated; because of the above-mentioned rotational movement, in order to make the pneumatic joint not rotate along with the spline shaft, a high-speed rotational joint is usually selected in the existing mounting head, and its equipment cost is too high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a vacuum suction nozzle mechanism and a mounting head for a chip mounter.
The aim of the utility model is realized by the following technical scheme:
the utility model provides a vacuum suction nozzle mechanism for chip mounter, includes elevating seat, pneumatic joint, hollow shaft and synchronizing wheel, pneumatic joint's one end with the one end of hollow shaft all with elevating seat passes through threaded connection, pneumatic joint with the inner chamber of hollow shaft passes through elevating seat intercommunication each other, synchronizing wheel slidable cup joints on the hollow shaft, guide slot A has been seted up along its axial direction on the hollow shaft surface, guide slot B has been seted up on the synchronizing wheel, guide slot B and guide slot A looks adaptation form the transmission groove, be provided with ball or kingpin in the transmission groove, the terminal surface of synchronizing wheel still has the screw through threaded connection, the screw is used for preventing ball or kingpin follow roll-off in the transmission groove. The vacuum suction nozzle mechanism can meet the requirements of lifting and rotating in the process of pasting, has a relatively simple structure, is easier to process and manufacture, and has more advantages in manufacturing cost and fault repairing cost compared with the prior art.
Further, this vacuum suction nozzle mechanism still includes swivel sleeve and jack screw, swivel sleeve rotatable set up in the elevating socket, swivel sleeve's one end with pneumatic connector's one end threaded connection, swivel sleeve's the other end with the one end threaded connection of hollow shaft, jack screw with elevating socket threaded connection, jack screw can make when screwing up swivel sleeve with elevating socket is fixed each other, can make things convenient for quick installation and debugging, also can repair fast when breaking down.
Further, one end of the hollow shaft, which is far away from the lifting seat, is connected with a vacuum suction nozzle, and pickup of the device is realized through the vacuum suction nozzle.
The utility model provides a mounting head for chip mounter, includes foretell a vacuum suction nozzle mechanism for chip mounter still includes frame and lift drive arrangement, lift drive arrangement includes elevator motor, lifting belt, lift action wheel and lift follow driving wheel, elevator motor with frame fixed connection, the lift action wheel is fixed to be cup jointed on elevator motor's the output shaft, the lift follow driving wheel with frame rotatable coupling, elevator action wheel and lift follow the driving wheel and pass through the lifting belt transmission is connected, the lift seat with frame slidable connection, the lift seat with lifting belt fixed connection. The lifting motor and the lifting belt are adopted to directly lift, compared with the rocker lifting structure in the existing mounting head, the lifting mode is not limited by the tension force of the tension spring any more, and the lifting type is applicable to higher mounting speed requirements.
Further, the mounting head for the chip mounter further comprises an angle adjusting device, the angle adjusting device comprises a rotating motor, a rotating driving wheel and a rotating belt, the rotating motor is fixedly arranged on the frame, the rotating driving wheel is fixedly sleeved on an output shaft of the rotating motor, and the rotating driving wheel is in transmission connection with the synchronizing wheel through the rotating belt. The synchronous wheel can be driven to rotate through the rotating motor and the rotating belt, and then the hollow shaft is driven to rotate to realize the adjustment of the angle of the device.
Furthermore, the rotating belt and the lifting belt are synchronous belts, so that the precision of lifting and rotating actions is ensured.
The beneficial effects of the utility model are as follows:
the vacuum suction nozzle mechanism comprises a lifting seat, a pneumatic connector, a hollow shaft and a synchronous wheel, wherein the pneumatic connector and the hollow shaft are connected with the lifting seat through threads, and the sealing communication of the pneumatic connector and the hollow shaft can be conveniently realized through the threaded connection, so that the picking effect of devices during vacuum suction is ensured; meanwhile, when the angle of the device needs to be adjusted, only the hollow shaft rotates in the lifting seat in a threaded screwing-in and screwing-out mode, and the pneumatic connector can be kept motionless. Compared with the prior art adopting a high-speed rotary joint, the structure is relatively simple, and the equipment cost is lower.
The synchronous wheel is slidably sleeved on the hollow shaft, the surface of the hollow shaft is provided with a guide groove A along the axial direction of the hollow shaft, the synchronous wheel is provided with a guide groove B, the guide groove B is matched with the guide groove A to form a transmission groove, and balls or rolling pins are arranged in the transmission groove. The spindle can slide freely in the synchronizing wheel during lifting and lowering, and the synchronizing wheel can rotate by using the needle roller or the ball to drive the hollow shaft to rotate during rotating. Compared with the spline shaft form adopted by the existing chip mounter, the integrated synchronous wheel is simpler in structure and lower in cost, and the needle roller or the ball roller can be replaced conveniently when worn, so that the integrated synchronous wheel can be repaired rapidly, the blocking condition can not occur, and the high-speed and accurate mounting requirements are facilitated.
The mounting head is provided with the vacuum suction nozzle mechanism and the lifting driving device, the lifting driving device comprises a lifting motor, a lifting belt, a lifting driving wheel and a lifting driven wheel, the lifting belt is used for directly driving the vacuum suction nozzle mechanism to move up and down, and compared with a rocker arm lifting structure in the prior art, the lifting mode is not limited by the pulling force of a tension spring any more, and the mounting head can be suitable for higher mounting speed requirements.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a mounting head for a chip mounter according to the present utility model;
fig. 2 is a schematic diagram showing an exploded structure of a vacuum nozzle mechanism for a chip mounter according to the present utility model;
FIG. 3 is a schematic view of a hollow spindle of a vacuum nozzle mechanism for a chip mounter according to the present utility model;
fig. 4 is a schematic structural view of a synchronizing wheel in a vacuum nozzle mechanism for a chip mounter according to the present utility model.
Detailed Description
The technical solution of the present utility model will be described in further detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following description.
As shown in fig. 2 to 4, a vacuum suction nozzle mechanism for a chip mounter comprises a lifting seat 1, a pneumatic connector 2, a hollow shaft 3 and a synchronous wheel 4, wherein one end of the pneumatic connector 2 and one end of the hollow shaft 3 are connected with the lifting seat 1 through threads, and the pneumatic connector 2 is communicated with an inner cavity of the hollow shaft 3. When the vacuum nozzle mechanism works, one end of the hollow shaft 3, which is far away from the pneumatic connector 2, is provided with a vacuum nozzle 7, one end of the pneumatic connector 2, which is far away from the lifting seat 1, is communicated with external vacuum equipment, and the vacuum nozzle 7 can pick up devices through the suction of the vacuum equipment. Since the picked-up device needs to be adjusted in mounting angle by rotation, this requires the vacuum shaft 3 to have a capability of rotation action during operation. In the above-mentioned setting, pneumatic connector 2 and hollow shaft 3 all pass through threaded connection with lifting seat 1, on the one hand both threaded connection can be convenient realize both connect the leakproofness of UNICOM, guarantee vacuum suction effect, on the other hand, when angle regulation, vacuum shaft 3 can rotate the regulation through precession screw thread form (owing to be the regulation device and lay the angle, rotation angle can not exceed 360 when normally adjusting, can not exceed the scope of a pitch through the mode actual regulation volume of screw thread precession, also can not cause the influence at axial distance when selecting for use fine thread connection), realize from this that pneumatic connector 2 can not rotate together when angle regulation, compared with the mode that current chip mounter adopted high-speed rotary joint, the cost is lower, more economy.
The synchronizing wheel 4 is slidably sleeved on the hollow shaft 3, a guide groove A8 is formed in the surface of the hollow shaft 3 along the axial direction of the hollow shaft, a guide groove B9 is formed in the synchronizing wheel 4, the guide groove B9 and the guide groove A8 are matched to form a transmission groove, balls or rolling pins are arranged in the transmission groove, the end face of the synchronizing wheel is further connected with a screw 10 through threads, and the screw 10 is used for preventing the balls or the rolling pins from sliding out of the transmission groove. Through the arrangement, the spindle 3 can freely slide in the synchronizing wheel 4 during lifting and lowering actions, and the hollow shaft 3 can be driven to rotate by the rolling pin or the rolling ball to adjust the angle of the device adsorbed on the vacuum suction nozzle 7 during rotating actions. Compared with the spline shaft form adopted by the existing chip mounter, the integrated synchronous wheel is simpler in structure and lower in cost, when the rolling pins or the rolling balls are required to be replaced due to abrasion, the replacement can be completed by loosening the screws 10, the repairing process is also more convenient, the blocking condition can not occur, and the high-speed and accurate mounting requirements are facilitated.
When the vacuum suction nozzle mechanism for the chip mounter is specifically implemented, the vacuum suction nozzle mechanism for the chip mounter further comprises a rotary shaft sleeve 5 and a jacking screw 6, the rotary shaft sleeve 5 is rotatably arranged in the lifting seat 1, one end of the rotary shaft sleeve 5 is in threaded connection with one end of the pneumatic connector 2, the other end of the rotary shaft sleeve 5 is in threaded connection with one end of the hollow shaft 3, the jacking screw 6 is in threaded connection with the lifting seat 1, and the rotary shaft sleeve 5 and the lifting seat 1 can be mutually fixed when the jacking screw 6 is screwed. When in assembly, the rotary shaft sleeve 5 is in threaded connection with the hollow shaft 3, then the rotary shaft sleeve 5 is integrally inserted into the lifting seat 1, the rotary shaft sleeve 4 is in threaded connection with the pneumatic connector 2, the position of the rotary shaft sleeve 5 can be rotated or lifted and adjusted in the lifting seat 1 in the assembly process, and then the rotary shaft sleeve is locked and fixed by the jacking screw 6, so that the whole installation and adjustment processes are convenient. And when faults such as sealing failure occur, the whole sealing device can be quickly taken out to be repaired by loosening the jacking screw 6, and the repairing process is also convenient.
As shown in fig. 1, a mounting head for a chip mounter includes a vacuum nozzle mechanism for a chip mounter as described above, a frame 11, and a lift driving device including a lift motor 12, a lift belt 13, a lift driving wheel, and a lift driven wheel. The lifting motor 12 is fixedly connected with the frame 11, the lifting driving wheel is fixedly sleeved on an output shaft of the lifting motor 12, the lifting driven wheel is rotatably connected with the frame 11, the lifting driving wheel and the lifting driven wheel are in transmission connection through the lifting belt 13, the lifting seat 1 is slidably connected with the frame 11, and the lifting seat 1 is fixedly connected with the lifting belt 13. When the lifting motor 12 rotates, the lifting driving wheel can be driven to rotate, and under the action of the belt transmission mechanism, the lifting belt 13 rotates along with the lifting driving wheel, so that the lifting seat 1 can be pulled to do lifting motion on the frame 11. Compared with the rocker arm lifting structure in the existing mounting head, the lifting mode is not limited by the tension force of the tension spring any more, and the lifting mode can be suitable for higher mounting speed requirements.
Further, the mounting head further comprises an angle adjusting device, the angle adjusting device comprises a rotating motor 14, a rotating driving wheel and a rotating belt 15, the rotating motor 14 is fixedly arranged on the frame 11, the rotating driving wheel is fixedly sleeved on an output shaft of the rotating motor 14, and the rotating driving wheel is in transmission connection with the synchronizing wheel 4 through the rotating belt 15. When the rotary motor 14 rotates, the rotary driving wheel rotates together with the rotary motor, and the synchronous wheel 4 can be driven to rotate through the rotary belt 15 so as to further drive the hollow shaft 3 and the vacuum suction nozzle 7 to rotate, and the direction of the device is regulated.
Preferably, the rotating belt 13 and the lifting belt 15 are synchronous belts, and the corresponding belt wheels are synchronous belt wheels, so as to ensure control accuracy.
The whole mounting process of the mounting head is as follows: firstly, moving the mounting head to the position of a device; then the lifting motor 12 works, and the lifting seat 1 is driven to descend through the lifting belt 13, so that the vacuum suction nozzle 7 is close to the device; thereafter, the vacuum equipment is operated, and the vacuum suction nozzle 7 picks up the device by vacuum suction; the lifting motor 12 reversely rotates and drives the lifting seat 1 to ascend through the lifting belt 13; then the mounting head moves to the position of the circuit board of the device to be mounted; then the lifting motor 12 works to enable the lifting seat 1 to descend to enable the device to be close to the installation position, meanwhile the rotating motor 14 works, and the rotating belt 15 drives the hollow shaft 3 to rotate to adjust the angle of the device; thereafter the vacuum apparatus is operated at positive pressure to blow the device into place.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. In this embodiment, as shown in fig. 1, the overall structure of the four-head mounting head is shown, the vacuum nozzle mechanism and the lifting driving device are four sets, each lifting driving device individually performs lifting control on one set of vacuum nozzle mechanism, and the rotation driving device is only provided with two sets, each set of rotation driving device controls two sets of vacuum nozzle mechanisms, which are only specific designs according to the products produced in practical application, and modifications and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, but all fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a vacuum suction nozzle mechanism for chip mounter, its characterized in that, includes elevating seat, pneumatic joint, hollow shaft and synchronizing wheel, pneumatic joint's one end with the one end of hollow shaft all with elevating seat passes through threaded connection, pneumatic joint with the inner chamber of hollow shaft passes through elevating seat intercommunication each other, the synchronizing wheel slidable cup joints on the hollow shaft, guide slot A has been seted up along its axial direction on the hollow shaft surface, guide slot B has been seted up on the synchronizing wheel, guide slot B and guide slot A looks adaptation form the transmission groove, be provided with ball or kingpin in the transmission groove, the terminal surface of synchronizing wheel still has the screw through threaded connection, the screw is used for preventing ball or kingpin follow roll-off in the transmission groove.
2. The vacuum nozzle mechanism for a chip mounter according to claim 1, further comprising a rotating shaft sleeve and a tightening screw, wherein the rotating shaft sleeve is rotatably arranged in the lifting seat, one end of the rotating shaft sleeve is in threaded connection with one end of the pneumatic connector, the other end of the rotating shaft sleeve is in threaded connection with one end of the hollow shaft, the tightening screw is in threaded connection with the lifting seat, and the rotating shaft sleeve and the lifting seat can be mutually fixed when the tightening screw is tightened.
3. A vacuum nozzle mechanism for a chip mounter according to claim 1 or 2, wherein a vacuum nozzle is connected to an end of said hollow shaft remote from said elevating base.
4. The mounting head for the chip mounter is characterized by comprising the vacuum suction nozzle mechanism for the chip mounter according to claim 3, and further comprising a frame and a lifting driving device, wherein the lifting driving device comprises a lifting motor, a lifting belt, a lifting driving wheel and a lifting driven wheel, the lifting motor is fixedly connected with the frame, the lifting driving wheel is fixedly sleeved on an output shaft of the lifting motor, the lifting driven wheel is rotatably connected with the frame, the lifting driving wheel and the lifting driven wheel are in transmission connection through the lifting belt, a lifting seat is slidably connected with the frame, and the lifting seat is fixedly connected with the lifting belt.
5. The mounting head for a chip mounter according to claim 4, further comprising an angle adjusting device, wherein the angle adjusting device comprises a rotating motor, a rotating driving wheel and a rotating belt, the rotating motor is fixedly arranged on the frame, the rotating driving wheel is fixedly sleeved on an output shaft of the rotating motor, and the rotating driving wheel is in transmission connection with the synchronizing wheel through the rotating belt.
6. The mounting head for a chip mounter according to claim 5, wherein said rotating belt and said lifting belt are synchronous belts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222983553.6U CN219146060U (en) | 2022-11-09 | 2022-11-09 | Vacuum suction nozzle mechanism for chip mounter and mounting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222983553.6U CN219146060U (en) | 2022-11-09 | 2022-11-09 | Vacuum suction nozzle mechanism for chip mounter and mounting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219146060U true CN219146060U (en) | 2023-06-06 |
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ID=86598092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222983553.6U Active CN219146060U (en) | 2022-11-09 | 2022-11-09 | Vacuum suction nozzle mechanism for chip mounter and mounting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219146060U (en) |
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2022
- 2022-11-09 CN CN202222983553.6U patent/CN219146060U/en active Active
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