CN115666120A

CN115666120A - Feed mechanism of high-speed SMT chip mounter

Info

Publication number: CN115666120A
Application number: CN202211346628.8A
Authority: CN
Inventors: 马建忠; 梁建明
Original assignee: Jinggangshan Electrical Appliance Co ltd
Current assignee: Jinggangshan Electrical Appliance Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31

Abstract

The invention belongs to the field of chip mounters, in particular to a feeding mechanism of a high-speed SMT chip mounter, aiming at the problems that the feeding efficiency of a chip mounter is influenced because a conveying belt needs to be stopped in the dust removal process of the conventional feeding chip mounter, and the chip mounter is easily scratched in a mode of pressing the chip mounter by using a steel wire mesh, the feeding mechanism comprises a base and a concave frame fixedly connected with the top of the base, wherein a chip mounter body is arranged on one side of the concave frame; spacing clean mechanism, spacing clean mechanism is fixed to be located be used for spacing and clean the paster on the concave frame, air-draft dust removal mechanism are fixed to be located be used for removing dust to the paster surface of material loading on the concave frame, and the operation of dust removal process need not stop the material loading conveyer belt can promote SMT chip mounter's material loading efficiency, utilizes a flexible brush roller and No. two brush rollers closely to laminate the paster, can also clean the paster when playing fine guard action.

Description

Feed mechanism of high-speed SMT chip mounter

Technical Field

The invention relates to the technical field of chip mounters, in particular to a feeding mechanism of a high-speed SMT chip mounter.

Background

When the SMT chip mounter is used, a matched chip feeding device is needed, and the chip feeding device conveys the chip to the suction position of the chip mounter so as to facilitate the work of the chip mounter.

Notice that No. is CN 215188132U's authorization document discloses a paster material feeding unit for SMT chip mounter, including conveying platform, conveying platform top fixedly connected with bracing piece, bracing piece top fixedly connected with backup pad, install dust absorption component in the backup pad, dust absorption component includes suction hood, pneumatic cylinder, wind-guiding mouth, dust collection box, negative-pressure air fan, the pneumatic cylinder is connected at the suction hood top, just the pneumatic cylinder is installed in the backup pad bottom, the position that the suction hood inner chamber is close to the bottom is equipped with spacing silk screen, negative-pressure air fan has the battery through the connection of electric lines, and this SMT chip mounter's paster pay-off mode has following obvious problem:

1. the operation of the conveyer belt is required to be stopped in the dust removal process, so that the feeding efficiency of the patch is influenced;

2. the paster is easily scratched by pressing the paster with the steel wire mesh.

In order to solve the problems, the invention provides a feeding mechanism of a high-speed SMT chip mounter.

Disclosure of Invention

The invention provides a feeding mechanism of a high-speed SMT chip mounter, which solves the problems that in the prior art, the operation of a conveying belt needs to be stopped in the dust removal process of a loaded chip, the loading efficiency of the chip is influenced, and the chip is easily scratched by a method of pressing the chip by a steel wire mesh.

The invention provides the following technical scheme:

a feeding mechanism of a high-speed SMT chip mounter comprises a base and a concave frame fixedly connected with the top of the base, wherein a chip mounter body is arranged on one side of the concave frame;

the limiting cleaning mechanism is fixedly arranged on the concave frame and is used for limiting and cleaning the patch;

the air-draft type dust removal mechanism is fixedly arranged on the concave frame and is used for removing dust on the surface of the loaded patch;

and the feeding conveying mechanism is fixedly arranged on the base and is used for conveying the patches to feed.

In a possible design, the limiting cleaning mechanism comprises a first brush roller and a second brush roller which are horizontally and rotatably installed on the concave frame, and the tops of the first brush roller and the second brush roller can be separated from and tightly attached to the top of the patch conveyed on the feeding conveying mechanism.

In a possible design, be equipped with the cavity on the concave frame, including fixed locating on the formula of induced drafting dust removal mechanism the inside pipe that takes out of cavity, the bottom of taking out the pipe extends to the below of concave frame and sealed intercommunication have and are used for the suction the dust suction box of paster surface dust on the material loading conveyor, and the dust suction box is located the top of a brush roller with No. two brush rollers.

In a possible design, go up including fixed mounting in the gear box in the concave frame outside on the air-draft dust removal mechanism, the outside fixed mounting of gear box has driving motor, the tip of driving motor output shaft extends to the inside and the fixed mounting of gear box have a power shaft, the tip of power shaft extends to the inside of taking out the pipe, and the outside fixed mounting of power shaft has a plurality of fins that induced draft that are the annular and arrange.

In a possible design, including fixed mounting in on the material loading conveyer mechanism the supporting shoe at base top, the top fixed mounting of supporting shoe has a plurality of landing legs that are the matrix and arrange, and fixed mounting has same fixed plate on two landing legs that are located the homonymy, and one side that two fixed plates are close to each other is rotated and is installed same drive roll and same driven voller, and the outside transmission of drive roll and driven voller is connected with same material loading conveyer belt that is used for carrying the paster to carry out the material loading.

In a possible design, the fixed cover in the outside of power shaft is equipped with the transmission pinion, the internal rotation of gear box installs the speed reduction axle that is the level setting, the fixed cover in the outside of speed reduction axle is equipped with the speed reduction gear wheel that meshes with the transmission pinion mutually, the tip of a brush roller and No. two brush rollers all extends to the inside of gear box, and the fixed cover in the outside of a brush roller be equipped with the transmission gear wheel that the speed reduction gear wheel meshes mutually.

In a possible design, be equipped with on the chip mounter body and be located being used for receiving of material loading conveyor mechanism tip receive the room of expecting of going up the paster of material loading conveyor mechanism, receive and rotate on the room and install the connecting axle that is the level setting, the tip of connecting axle and the tip fixed connection of drive roll, the outside of connecting axle through No. two belts with the outside transmission of No. two brush rollers is connected.

In a possible design, the outside of a brush roller and No. two brush rollers is connected with the same belt through belt pulley transmission, the through-hole has been seted up in the outside of gear box, the tip of No. two belts runs through the through-hole and extends to the outside of gear box, it is provided with open-ended ash collecting box to run through fixedly connected with bottom on the cavity, the tip of taking out the pipe with ash collecting box's inside is sealed to be linked together, the outside of power shaft with ash collecting box's lateral wall rotates to be connected, ash collecting box's bottom has the sliding closure through slide rail and spout slidable mounting.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

According to the SMT chip mounter, the first brush roller and the second brush roller can rotate under the action of the driving motor, when a chip moves to the position below the dust collection box along with the feeding conveying belt, the chip can be pressed by the first brush roller and the second brush roller for dust collection, the first brush roller and the second brush roller cannot cause the chip to shift on the feeding conveying belt in the rotating and cleaning process, brushed dust can enter the interior of the dust collection box for collection through the dust collection box and the suction pipe, the operation of the feeding conveying belt is not required to be stopped in the dust collection process, and the feeding efficiency of the SMT chip mounter can be improved;

according to the invention, through the arrangement of the power shaft, the transmission pinion and the reduction gear wheel, the power shaft can drive the plurality of air suction fins to rotate at a high speed, so that a suction force can be formed inside the suction pipe, meanwhile, through the meshing of the reduction gear wheel and the transmission gear wheel, the linkage of the reduction shaft, the power shaft, the first brush roller and the second brush roller can be realized, and then through the second belt, the linkage of the second brush roller and the driving roller can be realized, only one power source part is needed in the whole operation process, the production cost is reduced, the flexible first brush roller and the flexible second brush roller are tightly attached to a patch, so that the patch can be cleaned while a good protection effect is achieved;

according to the invention, the operation of the feeding conveyer belt is not required to be stopped in the dust removal process, the feeding efficiency of the SMT chip mounter can be improved, and the flexible first brush roller and the flexible second brush roller are tightly attached to the surface mounted device, so that the surface mounted device can be cleaned while a good protection effect is achieved.

Drawings

Fig. 1 is a schematic structural view of a feeding mechanism of a high-speed SMT chip mounter, according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural diagram of a feeding mechanism of a high-speed SMT chip mounter according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of a concave frame of a feeding mechanism of a high-speed SMT chip mounter according to an embodiment of the present invention;

fig. 4 is a schematic view of a separation structure of an ash collecting box and an air draft impeller shaft of a feeding mechanism of a high-speed SMT chip mounter, provided by an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a part a of the structure in fig. 2 of a feeding mechanism of a high-speed SMT pick and place machine according to an embodiment of the present invention.

Reference numerals are as follows:

1. a base; 2. a chip mounter body; 3. a support block; 4. a feeding conveyor mechanism; 5. a first brush roller; 6. a second brush roller; 7. a concave frame; 8. a gear case; 9. a drive motor; 10. a power shaft; 11. air suction fins; 12. a chamber; 13. a dust collecting box; 14. a sliding cover; 15. drawing a pipe; 16. a deceleration shaft; 17. a deceleration gearwheel; 18. a transmission gear; 19. a first belt; 20. a second belt; 21. a connecting shaft; 22. a material receiving chamber; 23. a through hole; 24. a support leg; 25. a fixing plate; 26. a feeding conveyer belt.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings.

In the embodiment of the present invention, "and/or" is only one kind of association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically stated.

Example 1

Referring to fig. 1 and 2, a feeding mechanism of a high-speed SMT chip mounter includes a base 1, a concave frame 7 fixedly connected to the top of the base 1, and a chip mounter body 2 disposed on one side of the concave frame 7;

the limiting cleaning mechanism is fixedly arranged on the concave frame 7 and is used for limiting and cleaning the paster;

the air-draft type dust removal mechanism is fixedly arranged on the concave frame 7 and is used for removing dust on the surface of the loaded patch;

and the feeding conveying mechanism 4 is fixedly arranged on the base 1 and used for conveying the patch to feed.

Referring to fig. 1, the limiting cleaning mechanism comprises a first brush roller 5 and a second brush roller 6 which are horizontally and rotatably mounted on a concave frame 7, and the tops of the first brush roller 5 and the second brush roller 6 can be separated from and tightly attached to the top of a patch conveyed on the feeding conveying mechanism 4.

Referring to fig. 1, 3 and 4, a cavity 12 is arranged on the concave frame 7, the exhaust type dust removal mechanism comprises an exhaust pipe 15 fixedly arranged inside the cavity 12, the bottom of the exhaust pipe 15 extends to the lower portion of the concave frame 7 and is communicated with a dust suction box used for sucking dust on the surface of a patch on the feeding conveying mechanism 4 in a sealing mode, and the dust suction box is located above the first brush roller 5 and the second brush roller 6.

Referring to fig. 1, 3 and 4, the air-draft-type dust removal mechanism comprises a gear box 8 fixedly mounted on the outer side of a concave frame 7, a driving motor 9 is fixedly mounted on the outer side of the gear box 8, the end of an output shaft of the driving motor 9 extends to the inside of the gear box 8, a power shaft 10 is fixedly mounted on the end of the power shaft 10, the end of the power shaft extends to the inside of an air draft tube 15, and a plurality of air draft fins 11 which are annularly arranged are fixedly mounted on the outer side of the power shaft 10.

Referring to fig. 1 and 2, the feeding conveyor mechanism 4 includes a supporting block 3 fixedly mounted on the top of the base 1, a plurality of supporting legs 24 arranged in a matrix are fixedly mounted on the top of the supporting block 3, a same fixing plate 25 is fixedly mounted on two supporting legs 24 located on the same side, a same driving roller and a same driven roller are rotatably mounted on one side of the two fixing plates 25 close to each other, and a same feeding conveyor belt 26 for conveying a patch to feed is connected to the outer side of the driving roller and the outer side of the driven roller in a transmission manner.

Example 2

Referring to fig. 1 and 2, a feeding mechanism of a high-speed SMT chip mounter comprises a base 1 and a concave frame 7 fixedly connected with the top of the base 1, wherein a chip mounter body 2 is arranged on one side of the concave frame 7;

the limiting cleaning mechanism is fixedly arranged on the concave frame 7 and is used for limiting and cleaning the patch;

the feeding conveying mechanism 4 is fixedly arranged on the base 1 and used for conveying the patches to feed;

adopt flexible piece that compresses tightly to carry on spacingly to the paster on the spacing clean mechanism among the above-mentioned technical scheme, the situation of fish tail paster can not appear, and spacing clean mechanism can carry on spacingly to the paster on the one hand, and on the other hand can also clean the paster.

Referring to fig. 1, the limiting cleaning mechanism comprises a first brush roller 5 and a second brush roller 6 which are horizontally and rotatably mounted on a concave frame 7, and the tops of the first brush roller 5 and the second brush roller 6 can be separated from and tightly attached to the top of a patch conveyed on the feeding conveying mechanism 4;

the material of a brush roller 5 and No. two brush rollers 6 among the above-mentioned technical scheme is flexible material, still can not the fish tail paster when can be fine carrying out the cleanness to the paster.

Referring to fig. 1, 3 and 4, a cavity 12 is arranged on the concave frame 7, the air-draft dust removal mechanism comprises a suction pipe 15 fixedly arranged inside the cavity 12, the bottom of the suction pipe 15 extends to the lower part of the concave frame 7 and is hermetically communicated with a dust suction box for sucking dust on the surface of a patch on the feeding and conveying mechanism 4, and the dust suction box is positioned above the first brush roller 5 and the second brush roller 6;

the extraction tube 15 among the above-mentioned technical scheme is the L type setting, and the dust absorption box is rectangular form setting, can cover the width of paster, and is good to the effect of paster surface dust absorption.

Referring to fig. 1, 3 and 4, the air-draft dust removal mechanism comprises a gear box 8 fixedly mounted on the outer side of a concave frame 7, a driving motor 9 is fixedly mounted on the outer side of the gear box 8, the end part of an output shaft of the driving motor 9 extends into the gear box 8 and is fixedly mounted with a power shaft 10, the end part of the power shaft 10 extends into an extraction pipe 15, and a plurality of air-draft fins 11 annularly arranged are fixedly mounted on the outer side of the power shaft 10;

the specification of the driving motor 9 in the above technical scheme can be selected according to the actual use, the suction fins 11 on the power shaft 10 can form suction force when rotating at high speed, and the suction force formed by the high-speed rotation of the suction fins 11 is the power for removing dust from the patch.

Referring to fig. 1 and 2, the feeding conveyor mechanism 4 includes a supporting block 3 fixedly mounted on the top of the base 1, a plurality of supporting legs 24 arranged in a matrix are fixedly mounted on the top of the supporting block 3, the same fixing plate 25 is fixedly mounted on the two supporting legs 24 positioned on the same side, the same driving roller and the same driven roller are rotatably mounted on the side, close to each other, of the two fixing plates 25, and the same feeding conveyor belt 26 for conveying patches to feed is in transmission connection with the outer sides of the driving roller and the driven roller;

two fixed plates 25 among the above-mentioned technical scheme are that the horizontal symmetry sets up, and the effect of fixed plate 25 is installation material loading conveyer belt 26 on the one hand, and on the other hand can also carry on spacingly to the paster of carrying on the material loading conveyer belt 26.

Referring to fig. 2 and 5, a transmission pinion is fixedly sleeved on the outer side of the power shaft 10, a reduction shaft 16 which is horizontally arranged is rotatably installed in the gear box 8, a reduction gear wheel 17 which is meshed with the transmission pinion is fixedly sleeved on the outer side of the reduction shaft 16, the end parts of the first brush roller 5 and the second brush roller 6 extend into the gear box 8, and a transmission gear 18 which is meshed with the reduction gear wheel 17 is fixedly sleeved on the outer side of the first brush roller 5;

the condition that the reduction gear wheel 17 and the transmission pinion gear in the technical scheme are disengaged can not occur, the rotation speed of the reduction shaft 16 can be obviously reduced by the reduction gear wheel 17, and the reduction shaft 16 drives the first brush roller 5 to rotate in a buffering mode.

Referring to fig. 2 and 5, a receiving chamber 22 which is located at the end of the feeding conveyor mechanism 4 and used for receiving the patches on the feeding conveyor mechanism 4 is arranged on the chip mounter body 2, a connecting shaft 21 which is horizontally arranged is rotatably mounted on the receiving chamber 22, the end of the connecting shaft 21 is fixedly connected with the end of the driving roller, and the outer side of the connecting shaft 21 is in transmission connection with the outer side of the second brush roller 6 through a second belt 20;

the connecting shaft 21 and the second brush roller 6 in the technical scheme are arranged in parallel, and the connecting shaft 21 can rotate synchronously with the second brush roller 6.

Referring to fig. 2 and 4 and 5, the outer sides of the first brush roller 5 and the second brush roller 6 are connected with a first belt 19 through belt pulley transmission, the outer side of the gear box 8 is provided with a through hole 23, the end part of the second belt 20 penetrates through the through hole 23 and extends to the outer side of the gear box 8, the chamber 12 is fixedly connected with an ash collecting box 13 with an opening at the bottom in a penetrating manner, the end part of the suction pipe 15 is communicated with the inner part of the ash collecting box 13 in a sealing manner, the outer side of the power shaft 10 is rotatably connected with the side wall of the ash collecting box 13, and the bottom of the ash collecting box 13 is provided with a sliding cover 14 through a sliding rail and a sliding groove in a sliding manner;

the sliding cover 14 and the dust collecting box 13 in the above technical scheme can be separated, dust sucked from the suction pipe 15 can enter the dust collecting box 13 for storage, and the sliding cover 14 is arranged to facilitate cleaning of the dust collected in the dust collecting box 13.

However, as is well known to those skilled in the art, the working principle and wiring method of the chip mounter body 2 and the driving motor 9 are common and are all conventional means or common general knowledge, and thus detailed description is omitted here, and those skilled in the art can make any selection according to their needs or convenience.

The working principle and the using process of the technical scheme are as follows: during the use, the paster of waiting the material loading is placed and is carried on material loading conveyer belt 26, press the switch of driving motor 9, start driving motor 9, the output shaft of driving motor 9 can drive power shaft 10 and carry out high-speed rotation, power shaft 10 can drive a plurality of fins 11 that induced draft and carry out high-speed rotation, and then can form the suction force in the inside of suction tube 15 and suction box, meanwhile, via the meshing relation of the transmission pinion who sets up and speed reduction gear wheel 17, can realize the linkage of power shaft 10 and speed reduction shaft 16, again via the meshing relation of transmission gear 18 and speed reduction gear wheel 17 that set up, the same belt 19 that first hair brush roller 5 and No. two hair brush rollers 6 outside transmission are connected, can realize speed reduction shaft 16, power shaft 10, the linkage of a hair brush roller 5 and No. two hair brush rollers 6, utilize No. two belt 20, the pivoted No. two hair brush rollers 6 can drive connecting axle 21 and drive the drive roller and rotate, material loading conveyer belt 26 can carry out the paster motion, when the paster moves to the below the suction box of suction box, no. one hair brush roller 5 and No. two brush rollers can compress tightly the dust collection brush rollers 6 and dust collection brush roller 13 can not lead to carry out through the dust collection tube.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention; the embodiments of the invention and the features of the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a feed mechanism of high-speed SMT chip mounter which characterized in that includes:

the chip mounter comprises a base (1) and a concave frame (7) fixedly connected with the top of the base (1), wherein a chip mounter body (2) is arranged on one side of the concave frame (7);

the limiting cleaning mechanism is fixedly arranged on the concave frame (7) and is used for limiting and cleaning the patch;

the air-draft type dust removal mechanism is fixedly arranged on the concave frame (7) and is used for removing dust on the surface of the loaded patch;

the feeding conveying mechanism (4) is fixedly arranged on the base (1) and used for conveying the patches to feed.

2. The feeding mechanism of a high-speed SMT chip mounter according to claim 1, wherein the limiting cleaning mechanism includes a first brush roller (5) and a second brush roller (6) horizontally rotatably mounted on the concave frame (7), and tops of the first brush roller (5) and the second brush roller (6) and a top of a chip conveyed on the feeding conveyor mechanism (4) can be separated from each other and tightly attached to each other.

3. The feeding mechanism of a high-speed SMT chip mounter according to claim 2, wherein a chamber (12) is disposed on the concave frame (7), the air-suction type dust removal mechanism includes a suction pipe (15) fixedly disposed inside the chamber (12), a bottom of the suction pipe (15) extends below the concave frame (7) and is in sealed communication with a dust suction box for sucking dust on a surface of a chip on the feeding conveyor mechanism (4), and the dust suction box is located above the first brush roller (5) and the second brush roller (6).

4. The feeding mechanism of a high-speed SMT chip mounter according to claim 3, wherein the air-extracting type dust-removing mechanism includes a gear box (8) fixedly mounted on an outer side of the concave frame (7), a driving motor (9) is fixedly mounted on an outer side of the gear box (8), an end of an output shaft of the driving motor (9) extends into the gear box (8) and is fixedly mounted with a power shaft (10), an end of the power shaft (10) extends into the suction pipe (15), and a plurality of air-sucking fins (11) annularly arranged are fixedly mounted on an outer side of the power shaft (10).

5. The feeding mechanism of a high-speed SMT chip mounter according to claim 4, wherein the feeding conveyor mechanism (4) includes a supporting block (3) fixedly mounted on the top of the base (1), the top of the supporting block (3) is fixedly mounted with a plurality of supporting legs (24) arranged in a matrix, two supporting legs (24) on the same side are fixedly mounted with the same fixing plate (25), one side of the two fixing plates (25) close to each other is rotatably mounted with the same driving roller and the same driven roller, and the outer side of the driving roller and the driven roller is in transmission connection with the same feeding conveyor belt (26) for conveying a chip for feeding.

6. The feeding mechanism of the high-speed SMT chip mounter according to claim 5, wherein a transmission pinion is fixedly sleeved on the outer side of the power shaft (10), a speed reducing shaft (16) horizontally arranged is installed on the inner portion of the gear box (8) in a rotating mode, a speed reducing gear wheel (17) meshed with the transmission pinion is fixedly sleeved on the outer side of the speed reducing shaft (16), ends of the first brush roller (5) and the second brush roller (6) extend to the inner portion of the gear box (8), and a transmission gear (18) meshed with the speed reducing gear wheel (17) is fixedly sleeved on the outer side of the first brush roller (5).

7. The feeding mechanism of a high-speed SMT chip mounter according to any one of claims 4-6, wherein a material receiving chamber (22) located at an end of the feeding conveyor mechanism (4) and used for receiving a chip on the feeding conveyor mechanism (4) is arranged on the chip mounter body (2), a horizontally arranged connecting shaft (21) is rotatably mounted on the material receiving chamber (22), an end of the connecting shaft (21) is fixedly connected with an end of a driving roller, and the outer side of the connecting shaft (21) is in transmission connection with the outer side of the second brush roller (6) through a second belt (20).

8. The feeding mechanism of the high-speed SMT chip mounter according to claim 7, wherein the first brush roller (5) and the second brush roller (6) are connected to a same first belt (19) through belt pulley transmission, a through hole (23) is formed in the outer side of the gear box (8), the end of the second belt (20) penetrates through the through hole (23) and extends to the outer side of the gear box (8), an ash collecting box (13) with an opening is fixedly connected to the chamber (12) in a penetrating manner, the end of the suction pipe (15) is communicated with the inner portion of the ash collecting box (13) in a sealing manner, the outer side of the power shaft (10) is rotatably connected with the side wall of the ash collecting box (13), and a sliding cover (14) is slidably mounted at the bottom of the ash collecting box (13) through a sliding rail and a sliding groove.