CN216820225U

CN216820225U - SMT paster is with accurate positioner

Info

Publication number: CN216820225U
Application number: CN202123409604.6U
Authority: CN
Inventors: 陈竹均
Original assignee: Dongguan Aomijia Electronic Co Ltd
Current assignee: Dongguan Aomijia Electronic Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-24
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an accurate positioning device for an SMT chip mounter, which belongs to the technical field of chip mounting and comprises a mounting table, wherein the upper end of the mounting table is fixedly connected with a machine cover, the front end of the mounting table is provided with an operating groove, the upper end of the mounting table is provided with a pair of transverse grooves, the top end in the machine cover is fixedly provided with an electric slide rail, the electric slide rail is provided with a mounting head in a sliding manner, the upper end of the mounting table is connected with a pair of transverse plates in a sliding manner, the lower ends of the transverse plates are also fixedly connected with a connecting block, the connecting block extends to the lower side of the transverse grooves, the lower ends of the connecting block are fixedly connected with driven toothed plates, a driving gear is meshed and connected between the pair of driven toothed plates, the lower ends of the driving gears are fixedly connected with rotating shafts, the lower ends of the rotating shafts are fixedly provided with rotating mechanisms, the upper end of the mounting table is also fixedly connected with positioning substrates, and the positioning substrates are positioned between the pair of the transverse plates, so that accurate positioning of circuit boards can be automatically realized, and provide good fixed effect after the location, reduce the degree of difficulty for pasting dress work.

Description

SMT paster is with accurate positioner

Technical Field

The utility model relates to the technical field of surface mounting, in particular to an accurate positioning device for an SMT (surface mount technology) surface mounting machine.

Background

The SMT sheet refers to a series of process flows processed on the basis of a PCB (printed Circuit board), which is a printed Circuit board. SMT is Surface mount Technology (Surface mount Technology), an acronym for Surface Mounted Technology, which is one of the most popular techniques and processes in the electronic assembly industry.

Chip mounter: also known as a mounter or a Surface Mount System (Surface Mount System), which is disposed behind a dispenser or a screen printer in a production line, is an apparatus for accurately placing Surface Mount components on PCB pads by moving a mounting head. The method is divided into manual operation and full-automatic operation.

The existing chip mounter needs to fix the circuit board when mounting, but the existing positioning device has poor positioning effect, increases certain difficulty for mounting work of a mounting head, has poor fixing effect, and is easy to generate deviation due to displacement in the mounting process.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the accurate positioning device for the SMT chip mounter, which can automatically realize accurate positioning on a circuit board, provide a good fixing effect after positioning and reduce the difficulty of mounting work.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The precise positioning device for the SMT chip mounter comprises a chip mounter, wherein an engine hood is fixedly connected to the upper end of the chip mounter, an operation groove is formed in the front end of the chip mounter, a pair of transverse grooves are formed in the upper end of the chip mounter, an electric slide rail is fixedly mounted at the top end in the engine hood, a mounting head is slidably mounted on the electric slide rail, a pair of transverse plates are slidably connected to the upper end of the chip mounter, lower ends of the transverse plates are fixedly connected with connecting blocks, the connecting blocks extend to the lower sides of the transverse grooves, driven toothed plates are fixedly connected to the lower ends of the connecting blocks, a driving gear is meshed between the driven toothed plates, a rotating shaft is fixedly connected to the lower ends of the driving gear, a rotating mechanism is fixedly mounted at the lower ends of the rotating shafts, a positioning substrate is fixedly connected to the upper end of the chip mounter, the positioning substrate is located between the transverse plates, and precise positioning can be automatically realized on a circuit board, and provide good fixed effect after the location, reduce the degree of difficulty for pasting dress work.

Further, the board of transversing is close to location base plate one end fixedly connected with slider, set up on the location base plate with slider assorted spout, and sliding connection between slider and the spout, through the sliding fit between slider and the spout, can realize the guide effect when moving the board of transversing, be difficult for appearing the deviation to the promotion circuit board that can be comparatively accurate realizes the location.

Further, it is a pair of the horizontal movable plate is close to the equal fixedly connected with rubber layer of one end each other, inlay in the rubber layer and install the pressure perception chip, the rubber layer plays the flexible positioning effect to the circuit board, is difficult for causing the damage to it at the location in-process, realizes in addition at the circuit board after accurate location, and the rubber layer of both sides all can receive the extrusion, and the pressure perception knows the chip and can perceive pressure change simultaneously, can stop slewing mechanism's rotation this moment, fixes the circuit board simultaneously, can begin to paste dress work.

Further, paste and to have seted up a plurality of negative pressure holes on the platform, fixedly connected with negative pressure cover on the roof of operation inslot, and negative pressure hole and negative pressure cover communicate mutually, negative pressure cover lower extreme fixed mounting has negative pressure fan, receives the preliminary location of horizontal movable plate at the circuit board after, pressure perception chip perception pressure change send signal, and negative pressure fan can start to form the negative pressure in the negative pressure cover to adsorb fixedly to the circuit board, and fixed effect is better, is difficult for appearing the displacement at the subsides dress in-process.

Further, the operation slot roof is inlayed and is connected with the bearing, and the pivot runs through the driving gear and is connected with the bearing, and the bearing can improve the stability of pivot when rotating to indirectly improve the positioning accuracy of horizontal movable plate, make the location effect of circuit board better.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme can realize accurate location to the circuit board automatically to provide good fixed effect after the location, reduce the degree of difficulty for pasting dress work.

(2) The traverse motion board is close to location base plate one end fixedly connected with slider, the location base plate on seted up with slider assorted spout, and sliding connection between slider and the spout, through the sliding fit between slider and the spout, can realize the guide effect when moving the traverse motion board, be difficult for appearing the deviation to the promotion circuit board that can be comparatively accurate realizes fixing a position.

(3) A pair of horizontal movable plate is close to the equal fixedly connected with rubber layer of one end each other, inlays in the rubber layer and installs the pressure perception chip, and the rubber layer plays the flexible positioning effect to the circuit board, is difficult for causing the damage to it at the positioning process, in addition after the accurate location is realized to the circuit board, the rubber layer of both sides all can receive the extrusion, and the pressure perception knows the chip and can perceive pressure variation simultaneously, can stop slewing mechanism's rotation this moment, fixes the circuit board simultaneously, can begin to paste dress work.

(4) A plurality of negative pressure holes have been seted up on the subsides dress bench, fixedly connected with negative pressure cover on the roof in the operation inslot, and negative pressure hole and negative pressure cover communicate mutually, and negative pressure cover lower extreme fixed mounting has negative pressure fan, receives the preliminary location of horizontal movable plate after the circuit board, and pressure perception chip perception pressure change send signal, and negative pressure fan can start to form the negative pressure in the negative pressure cover to adsorb fixedly to the circuit board, and fixed effect is better, is difficult for appearing the displacement at the subsides dress in-process.

(5) The bearing is connected with to operation groove roof is inlayed, and the pivot runs through the driving gear and is connected with the bearing, and the bearing can improve the stability when the pivot rotates to indirectly improve the positioning accuracy of violently moving the board, make the location effect of circuit board better.

Drawings

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

FIG. 2 is a front elevational view of the drive gear portion of the present invention;

FIG. 3 is a top view of the drive gear portion of the present invention;

fig. 4 is a schematic structural view of the negative pressure fan of the present invention.

The reference numbers in the figures illustrate:

the device comprises a mounting table 1, a machine cover 2, an electric sliding rail 3, a mounting head 4, a transverse moving plate 5, a positioning base plate 6, a negative pressure hole 7, a driven toothed plate 8, a driving gear 9, a rotating shaft 10, a rotating mechanism 11, a rubber layer 12, a pressure sensing chip 13, a negative pressure fan 14, a negative pressure sleeve 15, a connecting block 16 and a sliding block 17.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an accurate positioning device for an SMT sheet mounter includes a mounting table 1, a housing 2 is fixedly connected to an upper end of the mounting table 1, an operation slot is formed in a front end of the mounting table 1, a pair of traverse slots is formed in an upper end of the mounting table 1, an electric slide rail 3 is fixedly mounted at a top end of the housing 2, a mounting head 4 is slidably mounted on the electric slide rail 3, the electric slide rail 3 and the mounting head 4 belong to the prior art, and are not described herein again, a pair of traverse plates 5 are slidably connected to an upper end of the mounting table 1, a connecting block 16 is fixedly connected to a lower end of each traverse plate 5, the connecting block 16 extends to a lower side of each traverse slot, a driven gear 8 is fixedly connected to a lower end of each connecting block 16, a driving gear 9 is engaged with one of the pair of driven gears 8, a rotating shaft 10 is fixedly connected to a lower end of the driving gear 9, a rotating mechanism 11 is fixedly mounted to a lower end of the rotating shaft 10, and a positioning substrate 6 is fixedly connected to an upper end of the mounting table 1, and the positioning substrate 6 is located between the pair of traverse moving plates 5.

The traverse motion board 5 is close to 6 one end fixedly connected with sliders 17 of location base plate, set up on the location base plate 6 with slider 17 assorted spout, and sliding connection between slider 17 and the spout, through the sliding fit between slider 17 and the spout, can realize the guide effect when moving traverse motion board 5, be difficult for appearing the deviation to promotion circuit board that can be comparatively accurate realizes the location.

A pair of horizontal movable plate 5 is close to the equal fixedly connected with rubber layer 12 of one end each other, inlay in the rubber layer 12 and install pressure perception chip 13, rubber layer 12 plays the flexible positioning effect to the circuit board, be difficult for causing the damage to it at the location in-process, after the accurate location is realized to the circuit board in addition, the rubber layer 12 of both sides all can receive the extrusion, pressure perception chip 13 can perceive the pressure change simultaneously, can stop slewing mechanism 11's rotation this moment, fix the circuit board simultaneously, can begin to paste dress work.

Referring to fig. 4, a plurality of negative pressure holes 7 are formed in the mounting table 1, a negative pressure sleeve 15 is fixedly connected to the top wall of the operation groove, the negative pressure holes 7 are communicated with the negative pressure sleeve 15, a negative pressure fan 14 is fixedly mounted at the lower end of the negative pressure sleeve 15, after the circuit board is preliminarily positioned by the transverse moving plate 5, a pressure sensing chip 13 senses pressure change and sends a signal, the negative pressure fan 14 can be started to form negative pressure in the negative pressure sleeve 15, and therefore the circuit board is adsorbed and fixed, the fixing effect is good, and displacement is not prone to occurring in the mounting process.

The bearing is connected with to operation groove roof is inlayed, and pivot 10 runs through driving gear 9 and is connected with the bearing, and the bearing can improve the stability when pivot 10 rotates to indirectly improve the positioning accuracy of violently moving plate 5, make the location effect of circuit board better.

During the use, the technical staff aligns the circuit board earlier and fixes a position base plate 6 and laminates, then control slewing mechanism 11 and rotate, thereby drive driving gear 9 synchronous rotation, and drive a pair of driven pinion rack 8 and be close to each other, thereby promote the circuit board, no matter where the place position of circuit board is, only need laminate location base plate 6 and place, finally all can reach the center under the pushing action of horizontal movable plate 5, can reduce the subsides dress degree of difficulty of subsides dress head 4, and send to negative-pressure air fan 14 after pressure perception chip 13 perception pressure signal, make negative-pressure air fan 14 begin work, thereby adsorb the circuit board of centering and fix, can begin to paste dress work this moment, the utility model can realize accurate location to the circuit board automatically, and provide good fixed effect after the location, reduce the degree of difficulty for pasting dress work.

It should be noted that the rotating mechanism 11 may be a manual rotating handle or an automatic motor, which is specifically selected by a technician, and the signal connection between the pressure sensing chip 13 and the negative pressure fan 14 also belongs to the prior art, and the specific connection mode is not described herein again.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

Accurate positioner is used to SMT chip mounter, including pasting dress platform (1), its characterized in that: paste dress platform (1) upper end fixedly connected with aircraft bonnet (2), the operation groove has been seted up to paste dress platform (1) front end, a pair of sideslip groove has been seted up to paste dress platform (1) upper end, top end fixed mounting has electronic slide rail (3) in aircraft bonnet (2), slidable mounting has first (4) of subsides on electronic slide rail (3), paste dress platform (1) upper end sliding connection has a pair of sideslip board (5), crossbeam board (5) lower extreme fixed connection also has connecting block (16), and connecting block (16) extend to sideslip groove downside, connecting block (16) lower extreme fixedly connected with driven pinion rack (8), it is a pair of meshing is connected with driving gear (9) between driven pinion rack (8), driving gear (9) lower extreme fixedly connected with pivot (10), pivot (10) lower extreme fixed mounting has slewing mechanism (11), the mounting table (1) is characterized in that the upper end of the mounting table (1) is fixedly connected with a positioning substrate (6), and the positioning substrate (6) is positioned between the pair of transverse moving plates (5).
2. An SMT chip machine accurate positioning device according to claim 1, wherein: the transverse moving plate (5) is close to one end of the positioning base plate (6) and is fixedly connected with a sliding block (17), a sliding groove matched with the sliding block (17) is formed in the positioning base plate (6), and the sliding block (17) is connected with the sliding groove in a sliding mode.
3. An SMT chip machine accurate positioning device according to claim 1, wherein: one end, close to each other, of each transverse moving plate (5) is fixedly connected with a rubber layer (12), and a pressure sensing chip (13) is embedded in each rubber layer (12).
4. An SMT chip machine accurate positioning device according to claim 1, wherein: paste and seted up a plurality of negative pressure holes (7) on dress platform (1), fixedly connected with negative pressure cover (15) on the operation inslot roof, and negative pressure hole (7) are linked together with negative pressure cover (15), negative pressure cover (15) lower extreme fixed mounting has negative-pressure air fan (14).
5. An SMT chip machine accurate positioning device according to claim 1, wherein: the top wall of the operation groove is embedded and connected with a bearing, and the rotating shaft (10) penetrates through the driving gear (9) and is connected with the bearing.