阅读说明：本技术 一种用于贴片机供料的飞达 (A fly to reach for chip mounter feed ) 是由 沈锐 沈坤 金长明 于 2020-12-29 设计创作，主要内容包括：本发明公开了一种用于贴片机供料的飞达,包括用于输送料带的料带传送机构、用于对料带上的贴膜进行撕掉的料膜张紧机构和用于对料带进行定位的定位夹紧机构；料带传送机构的输出端与定位夹紧机构的输入端连接,料膜张紧机构的输入端与定位夹紧机构上已定位料带的料膜连接；本申请的飞达通过设置料膜张紧机构对料带上的料膜进行撕掉,同时配合使用定位夹紧机构对料带进行定位固定,结构精度高,进料效率高,实现了对贴片机的机械化稳定供料。(The invention discloses a feeder for feeding of a chip mounter, which comprises a material belt conveying mechanism for conveying a material belt, a material film tensioning mechanism for tearing off a film pasted on the material belt and a positioning and clamping mechanism for positioning the material belt, wherein the material belt conveying mechanism is used for conveying the material belt; the output end of the material belt conveying mechanism is connected with the input end of the positioning and clamping mechanism, and the input end of the material film tensioning mechanism is connected with a material film of a positioned material belt on the positioning and clamping mechanism; the application flies to reach and tears the material membrane on taking the material through setting up material membrane straining device, and the cooperation is used simultaneously and is fixed a position clamping mechanism to take the material to fix a position the material, and the structure precision is high, and the feeding is efficient, has realized stabilizing the feed to the mechanization of chip mounter.)

1. A feeder for feeding of a chip mounter is characterized by comprising a material belt conveying mechanism (1) for conveying a material belt (10), a material film tensioning mechanism (2) for tearing off a film on the material belt (10), and a positioning and clamping mechanism (3) for positioning the material belt (10);

the output end of the material belt conveying mechanism (1) is connected with the input end of the positioning and clamping mechanism (3), and the input end of the material film tensioning mechanism (2) is connected with a material film on the positioning and clamping mechanism (3) on which the material belt (10) is positioned.

2. The feeder for the chip mounter according to claim 1, wherein the positioning and clamping mechanism (3) comprises a feeding wheel (31), a first gear (32), a first gear assembly (33) and a feeding motor (34), the feeding wheel (31) and the first gear (32) are coaxially arranged, the feeding motor (34) is in meshed transmission connection with the first gear (32) through the first gear assembly (33), a plurality of convex teeth (311) are uniformly arranged on the axial periphery of the feeding wheel (31), and the convex teeth (311) are matched and sleeved with through holes (101) formed in the material belt (10).

3. The feeder of the chip mounter according to claim 2, wherein the positioning and clamping mechanism (3) further comprises a sensor fixing plate (35) and a fixing plate (36), the fixing plate (36) is sleeved on the shaft of the first gear (32) through a bearing (37), and the sensor fixing plate (35) is provided with a hall sensor (38) and fixed on the fixing plate (36).

4. The feeder of the chip mounter according to claim 2, wherein the first gear assembly (33) comprises a first transmission gear (331) and a second transmission gear (332) meshed with the first transmission gear (331), the first transmission gear (331) is sleeved on the output end of the feeding motor (34), and the second transmission gear (332) is in transmission connection with the first gear (32).

5. The system of claim 2, wherein the arcuate length between adjacent teeth (311) is equal to the distance between adjacent through holes (101) in the web.

6. The feeder for the chip mounter feed according to claim 2, wherein the material belt conveying mechanism (1) comprises a material belt groove (11), a material belt cover plate assembly (12) and a buckle assembly (13), a fixed end of the material belt cover plate assembly (12) is rotatably connected with the feeder body (4), a rotating end of the buckle assembly (13) is rotatably connected with the feeder body (4), and a clamping end of the clamping end is clamped with an extension end of the material belt cover plate assembly (12), the material belt cover plate assembly (12) and the feeder body (4) form a first channel, an input end of the material belt groove (11) extends to the outer side of the feeder body (4), an output end of the material belt groove is connected with an input end of the first channel, and the feeding wheel (31) is communicated with the first channel and is matched and sleeved with a through hole (101) formed in the material belt (10) in the first channel.

7. The feeder for chip mounter according to claim 6, wherein the buckle assembly (13) is provided with a through hole (131) at a connection position with the first channel, and the material tape (10) is output through the through hole (131).

8. The Fedao for feeding of the chip mounter according to claim 6, wherein the film tensioning mechanism (2) comprises a tensioning motor (21), a second gear assembly (22), a first pressing gear (23) and a tensioning assembly (24) for driving the first pressing gear (23) to move, and an output end of the tensioning motor (21) is in meshing transmission with the first pressing gear (23) through the second gear assembly (22).

9. The Fedao for feeding of the chip mounter according to claim 8, wherein the second gear assembly (22) comprises a third transmission gear (221), a fourth transmission gear (222) and a second pressing gear (223), the third transmission gear (221) is sleeved at the output end of the tensioning motor (21), the third transmission gear (221), the fourth transmission gear (222) and the second pressing gear (223) are sequentially meshed and connected in a transmission manner, and a material film of the feeding belt (10) on the positioning and clamping mechanism (3) penetrates through the space between the first pressing gear (23) and the second pressing gear (223);

the tensioning assembly (24) comprises a tensioning handle (241), a pressing support (242) and a pressure spring (243), one end of the pressing support (242) is fixedly connected with the Fedada body (4) through the pressure spring (243), the other end of the pressing support is used for fixing a first pressing gear (23), and the tensioning handle (241) is rotatably connected with the Fedada body (4) and is fixedly connected with the Fedada body (4) through a steel wire rope in a rotating mode.

10. The feeder for the chip mounter according to claim 8, wherein the feeder body (4) is further provided with a positioning pin (5) and a guide slide rail (6), the feeder body (4) is fixedly connected with the chip mounter overall equipment through the guide slide rail (6), and the positioning pin (5) is in fit connection with a positioning hole formed in the chip mounter overall equipment.

Technical Field

The invention relates to the technical field of chip mounter feeding, in particular to a feeder for feeding a chip mounter.

Background

The feeder for the chip mounter is feeding equipment matched with the chip mounter, the chip mounter can quickly and accurately mount components, the feeder is generally fixed on one side of a mounting table, during mounting, a mounting head reciprocates between the feeder and a circuit board to be mounted, components needing to be mounted on the feeder are continuously sucked and then are mounted on the circuit board, and the continuous mounting process of the circuit board is completed.

Most of electric booms in the market are designed to be electric booms by changing the original pneumatic booms, the structure is redundant and complicated, the precision is low, the feeding efficiency is poor, the replication is difficult to operate when the feeding and the clamping are fixed, and the booms are very inconvenient to insert, pull out, maintain and maintain.

Disclosure of Invention

Based on the technical problems in the prior art, the invention provides the feeder for feeding the chip mounter, which has high structural precision and high feeding efficiency, and realizes the mechanical stable feeding of the chip mounter.

The invention provides a feeder for feeding of a chip mounter, which comprises a material belt conveying mechanism for conveying a material belt, a material film tensioning mechanism for tearing off a film pasted on the material belt and a positioning and clamping mechanism for positioning the material belt, wherein the material belt conveying mechanism is used for conveying the material belt; the output end of the material belt conveying mechanism is connected with the input end of the positioning and clamping mechanism, and the input end of the material film tensioning mechanism is connected with a material film of the positioned material belt on the positioning and clamping mechanism.

Further, location clamping mechanism includes feed wheel, first gear assembly and feeding motor, and the feed wheel sets up with first gear is coaxial, and the feeding motor is connected through first gear assembly and first gear engagement transmission, and the axial periphery of feed wheel evenly is provided with a plurality of dogteeth, and the dogtooth cup joints with the through-hole cooperation of seting up on the material area.

Furthermore, the positioning and clamping mechanism further comprises a sensor fixing plate and a fixing plate, the fixing plate is sleeved on the shaft of the first gear through a bearing, and the sensor fixing plate is provided with a Hall sensor and fixed on the fixing plate.

Furthermore, the first gear assembly comprises a first transmission gear and a second transmission gear meshed with the first transmission gear, the first transmission gear is sleeved at the output end of the feeding motor, and the second transmission gear is in transmission connection with the first gear.

Further, the arc length between the adjacent convex teeth is equal to the distance between the adjacent through holes on the material belt.

Further, material area transport mechanism includes the material trough, material area apron subassembly and buckle subassembly, the material area apron subassembly the stiff end with fly to reach body rotatable coupling, buckle subassembly rotate the end with fly to reach body rotatable coupling, the block end with take the extension end joint of material apron subassembly, material area apron subassembly with fly to reach the body and form first passageway, the input of material trough extends to fly to reach the body outside, the output is connected with the input of first passageway, the feed wheel communicates with first passageway, and cup joint with the through-hole cooperation of seting up in the first passageway on the material area.

Furthermore, a through hole is formed in the joint of the buckle assembly and the first channel, and the material strap is output through the through hole.

Further, the material film tensioning mechanism comprises a tensioning motor, a second gear assembly, a first pressing gear and a tensioning assembly for driving the first pressing gear to move, and the output end of the tensioning motor is in meshing transmission with the first pressing gear through the second gear assembly.

Furthermore, the second gear assembly comprises a third transmission gear, a fourth transmission gear and a second pressing gear, the third transmission gear is sleeved at the output end of the tensioning motor and is sequentially meshed and in transmission connection with the fourth transmission gear and the second pressing gear, and a material film of a material belt on the positioning and clamping mechanism penetrates through the space between the first pressing gear and the second pressing gear; the tensioning assembly comprises a tensioning handle, a pressing support and a pressure spring, one end of the pressing support is fixedly connected with the flying body through the pressure spring, the other end of the pressing support is used for fixing a first pressing gear, and the tensioning handle is rotatably connected with the flying body and is fixedly connected with the flying body through a steel wire rope.

Furthermore, the feeder body is also provided with a positioning pin and a guide slide rail, the feeder body is fixedly connected with the chip mounter overall equipment through the guide slide rail, and the positioning pin is matched and connected with a positioning hole formed in the chip mounter overall equipment.

The feeder for the chip mounter has the advantages that: according to the feeder for feeding of the chip mounter, the material film tensioning mechanism is arranged to tear off the material film on the material belt, and the positioning and clamping mechanism is used for positioning and fixing the material belt, so that the structure precision is high, the feeding efficiency is high, and the mechanical stable feeding of the chip mounter is realized; the convex teeth on the feeding wheel are matched and sleeved with the through holes on the material belt, so that on one hand, the feeding of the material belt is realized by rotating the feeding wheel, and on the other hand, the feeding of the material belt can be positioned by the sleeved relation, and the defect that a manipulator cannot grab the material belt according to an original program due to too fast/too slow feeding of the material belt is avoided; the accurate position of the feeding wheel can be judged by the arrangement of the Hall sensor, and the feeding motor is driven by the controller, so that the feeding wheel can automatically rotate to a fixed position after being electrified every time, and the automatic alignment and positioning functions are realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal structural view of FIG. 1;

FIG. 3 is a schematic view of the assembly between the feed wheel and the first gear;

FIG. 4 is an exploded view of FIG. 3;

fig. 5 is a schematic structural view of the material tape;

wherein, 1-a material belt conveying mechanism, 2-a material film tensioning mechanism, 3-a positioning clamping mechanism, 4-a feeder body, 5-a positioning pin, 6-a guiding slide rail, 7-a control panel, 8-a controller, 9-a material film storage chamber, 10-a material belt, 11-a material belt groove, 12-a material belt cover plate component, 13-a buckle component, 21-a tensioning motor, 22-a second gear component, 23-a first pressing gear, 24-a tensioning component, 31-a feeding wheel, 32-a first gear, 33-a first gear component, 34-a feeding motor, 35-a sensor fixing plate, 36-a fixing plate, 37-a bearing, 38-a Hall sensor, 39-a gasket, 101-a through hole and 131-a through hole, 221-a third transmission gear, 222-a fourth transmission gear, 223-a second pressing gear, 241-a tensioning handle, 242-a pressing support, 243-a pressure spring, 311-a convex tooth, 331-a first transmission gear and 332-a second transmission gear.

Detailed Description

The present invention is described in detail below with reference to specific embodiments, and in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

As shown in fig. 1 to 4, the feeder for feeding of a chip mounter according to the present invention includes a tape conveying mechanism 1 for conveying a tape 10, a film tensioning mechanism 2 for tearing off a film on the tape 10, and a positioning and clamping mechanism 3 for positioning the tape 10; the output end of the material belt conveying mechanism 1 is connected with the input end of the positioning and clamping mechanism 3, and the input end of the material film tensioning mechanism 2 is connected with the material film on the positioning and clamping mechanism 3, wherein the material belt 10 is positioned.

The material belt 10 enters the positioning and clamping mechanism 3 through the material belt conveying mechanism 1 for positioning and feeding, and as a certain material film is arranged on the material belt 10 and used for sealing components in the material belt 10, the material film on the material belt 10 needs to be torn off in the feeding process of the material belt 10 to expose the components in the material belt 10, so that a manipulator can conveniently take out the corresponding components, and the stable mounting of a chip mounter on a PCB (printed circuit board) is realized; consequently this application sets up material membrane straining device 2 and tears the material membrane on the material area 10, and the cooperation uses location clamping mechanism 3 to fix a position the material area 10 simultaneously and fixes a position, has realized the stable feed to the chip mounter.

Further, the positioning and clamping mechanism 3 comprises a feeding wheel 31, a first gear 32, a first gear assembly 33 and a feeding motor 34, the feeding wheel 31 and the first gear 32 are coaxially arranged, the feeding motor 34 is in meshed transmission connection with the first gear 32 through the first gear assembly 33, a plurality of convex teeth 311 are uniformly arranged on the axial periphery of the feeding wheel 31, and the convex teeth 311 are matched and sleeved with the through holes 101 formed in the material belt 10. The positioning and clamping mechanism 3 further comprises a sensor fixing plate 35 and a fixing plate 36, the fixing plate 36 is sleeved on the shaft of the first gear 32 through a bearing 37, and the sensor fixing plate 35 is provided with a hall sensor 38 and fixed on the fixing plate 36. In the fixed connection relationship between the sensor fixing plate 35 and the fixing plate 36, the sensor fixing plate 35, the fixing plate 36, and the washer 39 may be sequentially inserted through bolts and then fixedly connected to nuts.

The setting that the dogtooth 311 on the feed wheel 31 and the through-hole 101 cooperation on the material area 10 were cup jointed, on the one hand through rotating feed wheel 31, realizes the feeding in material area 10, and on the other hand through this kind of relation of cup jointing can fix a position the feed in material area 10, has avoided the material area 10 feed too fast/too slow, causes the manipulator to follow the defect that the procedure was decided not to snatch. In order to realize the stable sleeving relationship between the feeding wheel 31 and the material belt 10, the arc length between the adjacent convex teeth 311 is equal to the distance between the adjacent through holes 101 on the material belt, a component is nested on one side of each through hole 101 of the material belt 10, and in the rotating sleeving relationship between the through holes and the rotating convex teeth 311, the component nested on the material belt 10 moves along with the forward movement of the through holes, so that the continuous stable feeding of the component on the material belt 10 is realized.

The two Hall sensors 38 are arranged along the radial direction of the feeding wheel 31 and welded on the sensor fixing plate 35 in an angle of 90 degrees, the sensor fixing plate 35 is electrically connected with the controller 8 through an FPC (flexible printed circuit) and a plug, 2 magnets with opposite magnetic pole directions and arranged in an angle of 180 degrees are arranged on the feeding wheel 31, when the feeding wheel 31 rotates, the two Hall sensors 38 can detect the magnetic flux of the magnet of the feeding wheel 31 to generate analog voltages V1 and V2, and by detecting the difference value of the analog voltages V1 and V2, when the feeding wheel 31 is driven to rotate to the minimum absolute value of V1-V2, two possible accurate positions (distributed in an angle of 180 degrees) of the feeding wheel 31 can be determined, and then the accurate position can be judged by detecting the voltage value of the single Hall sensor 38; in sum, the accurate position of the feeding wheel 31 can be judged, the controller 8 drives the feeding motor 34, so that the feeding wheel 31 can automatically rotate to a fixed position after being electrified every time, and the automatic alignment and positioning function is realized.

Aiming at the first gear assembly 33 arranged in the positioning and clamping mechanism 3, the first gear assembly 33 comprises a first transmission gear 331 and a second transmission gear 332 meshed with the first transmission gear 331, the first transmission gear 331 is sleeved on the output end of the feeding motor 34, and the second transmission gear 332 is in transmission connection with the first gear 32. The first gear 32 is meshed with the first gear assembly 33 and is driven to rotate by the feeding motor 34, so that the transmission precision and the service life of the positioning and clamping mechanism 3 are improved, meanwhile, the transmission efficiency of the positioning and clamping mechanism 3 is improved, and the defects of low structure redundancy precision and feeding efficiency in the traditional flying reach are overcome.

Further, material area transport mechanism 1 includes material trough 11, material area apron subassembly 12 and buckle subassembly 13, the stiff end of material area apron subassembly 12 with fly to reach 4 rotatable coupling of body, buckle subassembly 13 rotate the end with fly to reach 4 rotatable coupling of body, the block end and the extension end joint of material area apron subassembly 12, material area apron subassembly 12 with fly to reach 4 first passageways of body formation, the input of material trough 11 extends to fly to reach 4 outsides of body, the output is connected with the input of first passageway, feed wheel 31 and first passageway intercommunication, and cup joint with the through-hole 101 cooperation of seting up in the first passageway on the material area 10. The buckle assembly 13 is provided with a through hole 131 at a connection position with the first channel, and the material strap 10 is output through the through hole 131.

Open material area apron subassembly 12, the manual feeding wheel 31 department of pulling to the material area 10 in the material trough 11, be connected with the cooperation of dogtooth 311 through-hole 101, take material 10 and feeding wheel 31 fixed connection, along with feeding motor 34's rotation, it rotates to drive feeding wheel 31, feeding wheel 31 is at the pivoted in-process, can drive material area 10 and rotate forward, material area 10 every distance that advances, components and parts on it will advance the certain distance forward, when advancing the certain distance to components and parts, take off through the manipulator, accomplish a feed, feeding motor 34 rotates more than the circulation, continuously be the chip mounter feed.

The material belt cover plate assembly 12 is arranged to limit the material belt 10 in the first channel, so that the through hole 101 and the convex tooth 311 are stably fixed, and the defect of separation between the through hole 101 and the convex tooth 311 is avoided; the buckle assembly 13 buckles and fixes the material belt cover plate assembly 12; the through hole 131 formed in the buckle assembly 13 enables the material tape 10 completing the feeding portion to leave the first passage stably, and meanwhile, the stable matching relationship between the subsequent material tape 110 and the feeding wheel 31 is not affected.

Further, the film tensioning mechanism 2 comprises a tensioning motor 21, a second gear assembly 22, a first pressing gear 23, and a tensioning assembly 24 for driving the first pressing gear 23 to move, and an output end of the tensioning motor 21 is in meshing transmission with the first pressing gear 23 through the second gear assembly 22.

Aiming at the second gear assembly 22 in the material film tensioning mechanism 2, the second gear assembly 22 comprises a third transmission gear 221, a fourth transmission gear 222 and a second pressing gear 223, the third transmission gear 221 is sleeved at the output end of the tensioning motor 21, the third transmission gear 221, the fourth transmission gear 222 and the second pressing gear 223 are sequentially meshed and in transmission connection, and a material film of the material belt 10 on the positioning and clamping mechanism 3 penetrates through the space between the first pressing gear 23 and the second pressing gear 223; the second pressing gear 223 is in meshing transmission through gear components with different transmission ratios, so that the transmission precision and the service life of the material film tensioning mechanism 2 are improved, meanwhile, the transmission efficiency of the material film tensioning mechanism 2 is improved, and the defects of low structure complexity precision and feeding efficiency in the traditional flying reach are overcome.

The feeding motor 34 and the tensioning motor 21 rotate synchronously to realize that the exposed speed of the components on the material belt 10 is the same as the tearing speed of the material film, so that the exposed components can be taken out when the manipulator takes the materials every time, and the overall feeding efficiency is improved.

Secondly, the first pressing gear 23 and the second pressing gear 223 are in meshing transmission, so that the material film moves in a direction away from the feeding wheel 31 along with the meshing transmission between the two pressing gears and enters the material film storage chamber 9, and finally the material film is torn off from the material belt 10; the material film is torn through mechanization, and the defect of labor cost of manually tearing the film in the prior art is overcome.

For the tensioning assembly 24, the tensioning assembly 24 may be implemented by using an existing handle tensioning manner, that is, the tensioning assembly 24 includes a tensioning handle 241, a pressing bracket 242 and a pressure spring 243, one end of the pressing bracket 242 is fixedly connected to the feeder body 4 through the pressure spring 243, the other end of the pressing bracket is used for fixing the first pressing gear 23, and the tensioning handle 241 is rotatably connected to the feeder body 4 and is rotatably and fixedly connected to the feeder body 4 through a steel wire rope.

The tensioning assembly 24 is mainly arranged to realize the meshing relationship between the first pressing gear 23 and the second pressing gear 223, so that the material film can be conveniently arranged to pass through the meshing position between the two pressing gears.

Further, in the process of feeding the chip mounter, the whole feeder body 4 is preferably directly fixed with the whole equipment of the chip mounter, so that stable feeding is realized; therefore, in the connection between the feeder body 4 and the chip mounter overall equipment, the feeder body 4 is further provided with a positioning pin 5 and a guide slide rail 6, the feeder body 4 is fixedly connected with the chip mounter overall equipment through the guide slide rail 6, and the positioning pin 5 is in fit connection with a positioning hole formed in the chip mounter overall equipment. The locating pin 5 can be provided with two or even a plurality of locating pins so as to limit and fix the fixed time of the body 4. The guide slide rail 6 can be directly connected with the whole device of the chip mounter or a slide rail arranged on the device in a sliding manner, so that the extension-type fixing of the flight reach body 4 is realized.

The working process is as follows: the material belt cover plate assembly 12 is opened, the material belt 10 in the material belt groove 11 is manually pulled to the feeding wheel 31, the material belt is connected with the convex teeth 311 in a matched mode through the through holes 101, a material film is pulled to the material film storage chamber 9 which penetrates through the meshing position of the first material pressing gear 23 and the second material pressing gear 223, the controller 8 controls the feeding motor 34 and the tensioning motor 21 to synchronously rotate, the feeding motor 34 rotates to drive the feeding wheel 31 to rotate and further drive the material belt 10 to move forwards, the tensioning motor 21 rotates to drive the second material pressing gear 223 to rotate, further, the material film moves to the material film storage chamber 9 through meshing transmission with the first material pressing gear 23, when the material belt 10 moves to the position of the next through hole 101, exposed components on the material belt 10 are taken away by a manipulator, and mechanical feeding of the material belt 10 is completed.

In the synchronous rotation of the feeding motor 34 and the tensioning motor 21 controlled by the controller 8, the control panel 7 can be used for controlling start/stop, parameter adjustment and the like, and the control panel 7 is arranged on the feeder body 4 and is electrically connected with the controller 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.