CN212064766U - Swing mechanism and synchronous transmission driving device - Google Patents
Swing mechanism and synchronous transmission driving device Download PDFInfo
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- CN212064766U CN212064766U CN202020503074.8U CN202020503074U CN212064766U CN 212064766 U CN212064766 U CN 212064766U CN 202020503074 U CN202020503074 U CN 202020503074U CN 212064766 U CN212064766 U CN 212064766U
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Abstract
The utility model discloses a swing mechanism, include: the first end of the first driving component is a first rotating end; the first end of the connecting rod is arranged on the second end of the first driving component; the first end of the crank is rotatably connected with the second end of the connecting rod, and the second end of the crank is a second rotating end. The utility model also discloses a synchronous transfer drive arrangement who uses above-mentioned swing mechanism. The utility model discloses transmission device's synchronous deviation when can eliminating equipment conveying product, improve equipment's stability can also reduce equipment's cost of manufacture simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the machine-building automation, especially, relate to a swing mechanism and synchronous transfer drive arrangement.
Background
The main function of a Printed Circuit Board (PCB) is to connect various electronic components to a predetermined circuit, thereby performing a relay transmission function. The PCB is a key electronic interconnection of electronic products, and is a support for electronic components and a carrier for electrical connection. The main advantages of the PCB are that wiring and assembly errors are greatly reduced, and the automation level and production labor rate are improved.
Surface Mounted Technology (SMT) is a series of process flows that are processed on a PCB basis. When the PCB is transferred between the equipments of each process flow, since the transfer mechanisms connected with each other are not driven by the same driving mechanism, they cannot be completely synchronized, which easily causes the PCB clamping phenomenon and leads to the accelerated wear between the conveyor belt and the track plate.
SUMMERY OF THE UTILITY MODEL
To the problem in the background, the utility model aims to provide a swing mechanism and synchronous transfer drive arrangement, transmission device's synchronous deviation when can eliminating equipment conveying product improves equipment's stability, can also reduce the cost of manufacture of equipment simultaneously.
In order to achieve the above object, the present invention provides a swing mechanism, including:
the first end of the first driving component is a first rotating end;
a first end of the connecting rod is mounted on a second end of the first drive assembly;
the first end of the crank is rotatably connected with the second end of the connecting rod, and the second end of the crank is a second rotating end.
Preferably, the crank mechanism further comprises a meshing gear, and the meshing gear is mounted on the connecting end of the connecting rod and the crank.
The utility model also provides an use above-mentioned swing mechanism's synchronous transfer drive arrangement, include:
the driving mechanism comprises a driving rack, a first driving assembly and a second driving assembly, wherein the driving rack is respectively provided with a driving shaft, and the first driving assembly is connected with a first end of the driving shaft;
the first belt roller is meshed with the first driving gear, and the first driving gear is arranged on the driving shaft;
the second belt roller is meshed with the second driving gear, and the second driving gear is arranged on the driving shaft;
the swing mechanism comprises a first swing mechanism and a second swing mechanism, the first swing mechanism is installed on the first end of the first rack, and the second swing mechanism is installed on the first end of the second rack.
Preferably, the feeding device further comprises a feeding sensor and a discharging sensor, wherein the feeding sensor is mounted at the bottom of the second end of the first frame, and the discharging sensor is mounted at the bottom of the first end of the first frame.
Preferably, the second driving assembly is mounted at the bottom of the driving rack and connected with a first chain wheel, the driving shaft is provided with a second chain wheel, and a first chain is mounted between the first chain wheel and the second chain wheel.
Preferably, the driving shaft includes a hexagonal section, and the second driving gear is mounted on the hexagonal section.
Preferably, the first driving assembly is an air cylinder, and the second driving assembly is a motor.
Preferably, the rolling screw is rotatably mounted on the driving rack, the rolling screw is matched with the second rack, and a handle is mounted at a first end of the rolling screw.
Preferably, the rolling screw device further comprises a third driving assembly, the third driving assembly is mounted on the driving rack and connected with a third chain wheel, a fourth chain wheel is mounted on the rolling screw rod, and a second chain is mounted between the third chain wheel and the fourth chain wheel.
Preferably, the optical device further comprises a guide optical axis, the guide optical axis is mounted on the driving frame, and the second frame is slidably attached to the guide optical axis.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the same driving device is used for simultaneously driving the conveying mechanisms of the adjacent equipment, so that the synchronous deviation of conveying between the equipment is eliminated;
2. controlling the starting of the driving device and the conduction of the driving force with the next equipment through a sensor;
3. the number of stepping motors and matched drivers used by the equipment is reduced, and the manufacturing cost of the equipment is reduced;
4. the distance between the conveyor belt tracks on the two sides of the conveying mechanism can be adjusted, and the adjusting mode can be switched between manual operation and automatic operation.
Drawings
Fig. 1 is a schematic structural view of a swing mechanism according to a first embodiment;
FIG. 2 is a schematic structural view of a synchronous transfer driving apparatus according to a third embodiment;
FIG. 3 is a plan view of a synchronous transfer drive device according to a third embodiment;
fig. 4 is a schematic structural view of a swing mechanism portion in fig. 2.
In the drawings, the reference numbers: 1. a cylinder; 2. a connecting rod; 3. a crank; 4. a drive chassis; 5. a drive motor; 51. a first sprocket; 6. a drive shaft; 61. a second sprocket; 7. a first frame; 8. a second frame; 81. a second belt roller; 82. a second driving gear; 83. a mounting base rotating shaft; 9. a first swing mechanism; 10. a second swing mechanism; 101. a second cylinder; 102. a second meshing gear; 103. a cylinder mounting seat; 11. a fixing plate; 12. a feed sensor; 13. a rolling screw rod; 131. a fourth sprocket; 14. guiding the optical axis; 15. a handle; 16. a distance-adjusting motor; 161. a third sprocket.
Detailed Description
In order to make the technical solution of the present invention more apparent, the present invention is further described in detail with reference to the following examples, and it should be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
Example one
Referring to fig. 1, a swing mechanism includes:
the cylinder 1, the first end of cylinder 1 is first rotation end.
And the first end of the connecting rod 2 is arranged on a nut of a push rod of the cylinder 1.
The first end of the crank 3 is rotatably connected with the second end of the connecting rod 2 through a pin shaft, and the second end of the crank 3 is a second rotating end.
The first end of the cylinder 1 and the second end of the crank 3 are fixed relatively, i.e. they are respectively rotatably mounted on the same frame, or two frames, which are fixedly connected.
When the push rod of the air cylinder 1 extends, the connecting rod 2 can be driven to move forwards, and the air cylinder 1 and the connecting rod 2 form a first connecting section with variable length. The crank 3 is a second connecting segment of fixed length. The two connecting sections are connected to each other by a connecting end. When the first connecting section is changed, because the two connecting sections are rigid and the length of the second connecting section cannot be changed correspondingly, as described above, the distance between the two non-connecting ends of the two connecting sections, i.e. the first end of the cylinder 1 and the second end of the crank 3, cannot be changed correspondingly, so that the two connecting sections rotate correspondingly downwards to form the action that the connecting ends swing downwards.
When the push rod of the cylinder 1 retracts, the connecting end is reset. Therefore, the swing mechanism performs reciprocating swing by the driving of the cylinder 1.
Example two
A gear swing mechanism for forming engagement between gears. The specific mechanism of the mechanism is that a meshing gear is rotatably mounted on the connecting end of the swing mechanism in the first embodiment, namely the meshing gear is mounted on the pin shaft. The meshing gear is arranged above another gear which needs to be meshed, when the cylinder of the mechanism drives the connecting end to swing downwards, the two gears are meshed to form a transmission relation, and when the connecting end swings upwards, the two gears are separated and do not transmit.
The swing mechanism in the first embodiment can also be applied to other scenarios, such as separating the originally meshed gears from each other through the swing of the mechanism. Such technical solutions, including the arrangement of the relative positions between the gears, will be apparent to those skilled in the art, and will not be described herein.
EXAMPLE III
The present embodiment realizes transmission of driving force between the transport mechanisms of the adjacent devices in SMT by using the gear swing mechanism in the second embodiment. Two adjacent transmission mechanisms are driven by the same driving device, so that the synchronization deviation generated when the PCB is transmitted between the transmission mechanisms can be eliminated. The specific gear transmission structure is shown in figure 4.
Referring to fig. 2, a synchronous transfer driving apparatus, which is installed in an apparatus, includes:
the swinging mechanism comprises a first swinging mechanism 9 and a second swinging mechanism 10. The first swing mechanism 9 includes a first cylinder, a first connecting rod, a first crank, and a first meshing gear. The second swing mechanism 10 includes a second cylinder 101, a second connecting rod, a second crank, and a second meshing gear 102.
The first swing mechanism 9 is mounted on a first end of the first frame 7, and the second swing mechanism 10 is mounted on a first end of the second frame 8. The first and second swing mechanisms 9 and 10 are mounted on opposite outer sides of the first and second frames 7 and 8, respectively.
The specific mounting position of the second swing mechanism 10 is shown in fig. 3. The first end of the second cylinder 101 may be rotatably attached to the second frame 8 by a cylinder mount 103. The first end of the second cylinder 101 is fixedly connected with the cylinder mounting seat 103, the mounting seat rotating shaft 83 is fixedly connected to the second frame 8, and the cylinder mounting seat 103 is rotatably mounted on the mounting seat rotating shaft 83. The second end of the second crank is rotatably attached to a crank mount, which is fixedly attached to the second frame 8.
The driving mechanism comprises a driving rack 4, wherein a driving motor 5 and a driving shaft 6 are respectively installed on the driving rack 4, and the driving motor 5 is connected with the first end of the driving shaft 6. The second end of the axle shaft 6 is mounted to the fixed plate 11 of the device.
The driving motor 5 is installed at the bottom of the driving frame 4, the driving motor 5 is connected with a first chain wheel 51, the driving shaft 6 is provided with a second chain wheel 61, and a first chain (not shown) is installed between the first chain wheel 51 and the second chain wheel 61 to form a transmission structure. The driving motor 5 drives the driving shaft 6 to rotate through the transmission structure.
The most widely used transmission mechanism for processing and connecting SMT is a belt conveyor.
The second end of the first frame 7 is provided with another belt roller. The two belt rollers each comprise a gear end and a belt end. The gear end and the belt end of the same belt roller are respectively arranged at two sides of the first frame 7.
The gear end of the first belt roller is meshed with the first driving gear, and when the driving shaft 6 rotates, the first belt roller is driven to rotate through the first driving gear. A belt is arranged between the two belt ends. The first frame 7 is provided with a track plate at the same side of the belt end, and the track plate is supported on the bottom surface of the upper part of the belt.
And the second frame 8, and the structure of the second frame 8 is arranged corresponding to the first frame 7. The second belt roller 81 and the second driving gear 82 are installed on the second frame 8, the second belt roller 81 is engaged with the second driving gear 82, and the second driving gear 82 is installed on the driving shaft 6. The second frame 8 is provided with another set of belts and track plates, which are symmetrically arranged with respect to the belts and track plates of the first frame 7, respectively.
Wherein, the driving shaft 6 comprises a hexagonal section, and the second driving gear 82 is installed on the hexagonal section. The hexagonal mounting surface is designed to be more than the circular mounting surface, so that the situation that the driving shaft 6 slips off the second driving gear 82 when rotating, and transmission cannot be performed is avoided.
In SMT, the two ends of a PCB are placed on belts on both sides of the device, respectively, to achieve transport on the device. The two belts are driven by the same drive motor 5, so that there is no synchronization deviation in the transmission on the same device.
The utility model discloses still include feed sensor 12 and ejection of compact sensor (not shown), feed sensor 12 installs in the bottom of the second end of first frame 7, sets up the below between the device both sides belt.
The PCB is transported in a direction from the second end to the first end of the first chassis 7. When the board feeding sensor 12 senses that the PCB is fed onto the belt, the driving motor 5 is controlled to work, and the PCB is conveyed by rotating the belts at the two sides of the device.
The discharging sensor is arranged at the bottom of the first end of the first frame 7 and is arranged below the position between the belts at the two sides of the device. When the PCB reaches the sensing range of the discharge sensor, the discharge sensor controls the first cylinder and the second cylinder 101 to act simultaneously through the electromagnetic valve respectively, so that the first meshing gear is meshed with the gear end of the first belt roller, and the first meshing gear rotates under the driving of the first belt roller. At this time, the first meshing gear is also meshed with a gear of an adjacent device, and the gear is driven to rotate.
In the same way, the second meshing gear 102 drives another corresponding gear of the adjacent device to rotate, so that another belt conveyor on the adjacent device, which is engaged with the belt conveyor of the apparatus, operates, that is, the driving force of the driving motor 5 is transmitted to the next device through the above-mentioned gear transmission relationship, and simultaneously, the transmission of the PCB between the devices is realized. Since both belt conveyors are driven by the same drive motor 5, there is no deviation in synchronization.
The utility model discloses still include ball screw 13 and direction optical axis 14. The ball screw 13 is rotatably attached to the drive frame 4, the ball screw 13 is engaged with the second frame 8, and a handle 15 is mounted to a first end of the ball screw 13. The second end of the ball screw 13 is mounted on the fixed plate 11. The rolling screw rod 13 can be driven to rotate by shaking the handle 15, the position of the second rack 8 is adjusted, and the adjustment of the distance between the belts at the two sides of the device can be realized.
The first end of the guiding optical axis 14 is mounted on the driving frame 4, and the second end is mounted on the fixing plate 11. Two groups of guide optical shafts 14 are arranged and are respectively arranged at two ends of the driving frame 4. The second frame 8 is slidably attached to the guide optical axis 14. The guiding optical axis 14 is used for matching with the ball screw 13, so that the guiding of the second frame 8 in the process of adjusting the position can be realized, and the positioning precision can be improved.
The bottom of the driving frame 4 is also provided with a distance adjusting motor 16, the distance adjusting motor 16 is connected with a third chain wheel 161, and the rolling screw 13 is provided with a fourth chain wheel 131. If a second chain is installed between the third sprocket 161 and the fourth sprocket 131, the adjustment of the distance between the belts on both sides of the apparatus can be performed by controlling the pitch motor 16. Thus, the manner of pitch adjustment can be switched between manual and automatic.
The device can eliminate the synchronous deviation of PCB conveying between equipment, avoids taking place to collide with between PCB and the equipment, influences the quality of processing product, improves SMT operation's stability simultaneously to improve machining efficiency.
In addition, the device can also reduce the quantity of step motors and matched drivers used by the equipment in the SMT, and simultaneously can correspondingly reduce the requirement on the type selection of the PLC control box, thereby reducing the manufacturing cost of the equipment.
The utility model discloses not only be applied to SMT, also can be arranged in realizing the synchronous conveying between the equipment among other technical field.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An oscillating mechanism, comprising:
the first end of the first driving component is a first rotating end;
a first end of the connecting rod is mounted on a second end of the first drive assembly;
the first end of the crank is rotatably connected with the second end of the connecting rod, and the second end of the crank is a second rotating end.
2. The rocking mechanism of claim 1, further comprising a meshing gear mounted on the connecting end of the connecting rod and the crank.
3. A synchronous transfer drive apparatus using the swing mechanism according to claim 2, comprising:
the driving mechanism comprises a driving rack, a first driving assembly and a second driving assembly, wherein the driving rack is respectively provided with a driving shaft, and the first driving assembly is connected with a first end of the driving shaft;
the first belt roller is meshed with the first driving gear, and the first driving gear is arranged on the driving shaft;
the second belt roller is meshed with the second driving gear, and the second driving gear is arranged on the driving shaft;
the swing mechanism comprises a first swing mechanism and a second swing mechanism, the first swing mechanism is installed on the first end of the first rack, and the second swing mechanism is installed on the first end of the second rack.
4. The synchronous conveyor drive of claim 3, further comprising an infeed sensor mounted to a bottom of the second end of the first frame and an outfeed sensor mounted to a bottom of the first end of the first frame.
5. The synchronous conveyor drive of claim 3, wherein the second drive assembly is mounted to the bottom of the drive frame, the second drive assembly having a first sprocket attached thereto, the drive shaft having a second sprocket mounted thereto, and a first chain mounted between the first sprocket and the second sprocket.
6. The synchronous conveyor drive of claim 3, wherein the drive shaft includes a hex section and the second drive gear is mounted to the hex section.
7. The synchronous conveyor drive of claim 3, wherein the first drive assembly is a pneumatic cylinder and the second drive assembly is a motor.
8. The synchronous transport drive of claim 3 further comprising a ball screw rotatably attached to the drive housing, the ball screw engaging the second housing, a first end of the ball screw having a handle attached thereto.
9. The synchronous conveyor drive of claim 8, further comprising a third drive assembly mounted to the drive frame, the third drive assembly having a third sprocket connected thereto, the ball screw having a fourth sprocket mounted thereto, and a second chain mounted between the third sprocket and the fourth sprocket.
10. The synchronous transport drive of claim 8, further comprising a guide optical axis, the guide optical axis being mounted on the drive frame, the second frame being slidably attached to the guide optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020503074.8U CN212064766U (en) | 2020-04-08 | 2020-04-08 | Swing mechanism and synchronous transmission driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020503074.8U CN212064766U (en) | 2020-04-08 | 2020-04-08 | Swing mechanism and synchronous transmission driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212064766U true CN212064766U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020503074.8U Active CN212064766U (en) | 2020-04-08 | 2020-04-08 | Swing mechanism and synchronous transmission driving device |
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| Country | Link |
|---|---|
| CN (1) | CN212064766U (en) |
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2020
- 2020-04-08 CN CN202020503074.8U patent/CN212064766U/en active Active
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