CN216852589U

CN216852589U - PCB multifunctional fixing carrier for SMT chip mounter

Info

Publication number: CN216852589U
Application number: CN202123408961.0U
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: 2022-06-28
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a PCB is with multi-functional fixed carrier for SMT paster machine, belong to paster technical field, PCB is with multi-functional fixed carrier for SMT paster machine, including pasting the dress platform, paste dress bench end fixedly connected with carrier board, carrier board upper end fixedly connected with L type frame, the corner of L type frame is equipped with PCB body, a pair of direction spout has been seted up to L type frame the inner, sliding connection has assorted magnetic slide in the direction spout, magnetic slide outer end fixedly connected with grip block, the direction spout is close to the one end of corner and inlays and installs the electro-magnet, a plurality of evenly distributed's ball groove is seted up to the one end that the grip block is close to the corner, ball inslot activity is inlayed and is had the assorted ball, can realize automatic positioning and fixed to electric PCB, the skew of real-time detection subsides dress in-process simultaneously, improve and paste dress quality.

Description

PCB multifunctional fixing carrier for SMT chip mounter

Technical Field

The utility model relates to a paster technical field, more specifically say, relate to SMT paster machine PCB is with multi-functional fixed carrier.

Background

The SMT sheet refers to a short name of 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 Mounted 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 efficiency is slower when fixing PCB to current chip mounter, mostly needs the manual work to adjust to fix after the adjustment again, lead to the paster inefficiency, and take place unknown deviation easily at the dress in-process.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a PCB is with multi-functional fixed carrier for SMT chip mounter can realize automatic positioning and fixed to electric PCB, and the skew of pasting the dress in-process is pasted in real-time detection simultaneously, improves and pastes dress quality.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

SMT paster is multi-functional fixed carrier for PCB, including pasting the dress platform, dress bench end fixedly connected with carrier board, carrier board upper end fixedly connected with L type frame, the corner of L type frame is equipped with PCB board body, a pair of direction spout has been seted up to L type frame inner, sliding connection has assorted magnetic slide in the direction spout, magnetic slide outer end fixedly connected with grip block, the one end that the direction spout is close to the corner is inlayed and is installed the electro-magnet, a plurality of evenly distributed's ball groove is seted up to the one end that the grip block is close to the corner, ball inslot activity is inlayed and is had the assorted ball, can realize automatic positioning and fixed to electric PCB, and the skew of real-time detection subsides dress in-process improves and pastes dress quality simultaneously.

Further, the one end that the grip block is close to the corner still sets up a plurality of and the crisscross gas expansion groove that distributes in ball groove, the outer silica gel layer of gas expansion groove opening part fixedly connected with, inlay in the grip block and install miniature air pump, miniature air pump communicates with the gas expansion groove mutually through many tracheas, after accomplishing the PCB location, aerifys the atmospheric pressure increase that makes the gas expansion inslot through miniature air pump to force outer silica gel layer to the outside inflation and support tight PCB and increase frictional force, realize good fixed to PCB.

Further, outer silica gel layer inner end fixedly connected with many evenly distributed's control lever, set up a plurality of pre-buried grooves corresponding with the control lever on the physiosis groove diapire, and the control lever extends to in the pre-buried groove, outer silica gel layer one end fixedly connected with stopper is kept away from to the control lever, pre-buried groove opening part fixedly connected with and control lever assorted barrier ring can be through the distance control of barrier ring to the stopper, not only can fix PCB, can carry out attitude adjustment to the PCB that has positioning deviation simultaneously.

Furthermore, the outer diameter of the limiting block is larger than the inner diameter of the blocking ring, and the distance between the limiting block and the blocking ring is consistent with the radius of the ball.

Furthermore, a pressure sensing chip is embedded in the outer silica gel layer, the pressure sensing chip not only assists the outer silica gel layer to fully expand and tightly support the PCB, but also can sense pressure change in the mounting process to judge whether the PCB deviates.

Furthermore, the cross-sectional shapes of the guide sliding groove and the magnetic sliding block are both T-shaped, and the magnetic sliding block is made of ferromagnetic materials, so that the precision of the clamping plate during movement can be well guaranteed, and the PCB can be well positioned.

3. Advantageous effects

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

(1) the scheme can realize automatic positioning and fixing of the electric PCB, simultaneously detect the offset in the mounting process in real time and improve the mounting quality.

(2) The one end that the grip block is close to the corner still sets up a plurality ofly and the crisscross gas pocket that distributes in ball groove, the outer silica gel layer of gas pocket opening part fixedly connected with, inlay in the grip block and install miniature air pump, miniature air pump communicates with the gas pocket through many trachea, after accomplishing the PCB location, aerify the atmospheric pressure increase that makes in the gas pocket through miniature air pump, thereby force outer silica gel layer to expand to the outside and support tight PCB and increase frictional force, realize good fixed to PCB.

(3) Outer silica gel layer inner end fixedly connected with has many evenly distributed's control lever, set up a plurality of pre-buried grooves corresponding with the control lever on the physiosis groove diapire, and the control lever extends to in the pre-buried groove, outer silica gel layer one end fixedly connected with stopper is kept away from to the control lever, pre-buried groove opening part fixedly connected with and control lever assorted barrier ring, through the distance control of barrier ring to the stopper, can be so that the inflation volume and the ball phase-match of control lever, not only can fix PCB, can carry out attitude adjustment to the PCB that has positioning deviation simultaneously.

(4) The outer diameter of the limiting block is larger than the inner diameter of the stop ring, and the distance between the limiting block and the stop ring is consistent with the radius of the ball.

(5) The pressure sensing chip is embedded in the outer silica gel layer, the pressure sensing chip not only assists the outer silica gel layer to fully expand and tightly support the PCB, but also can sense pressure change in the mounting process to judge whether the PCB deviates.

(6) The cross-sectional shapes of the guide sliding groove and the magnetic sliding block are both T-shaped, and the magnetic sliding block is made of ferromagnetic materials, so that the precision of the clamping plate during moving can be well guaranteed, and the PCB can be well positioned.

Drawings

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

FIG. 2 is a schematic structural view of the carrier plate of the present invention;

FIG. 3 is a schematic structural view of the clamping plate of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

fig. 5 is a schematic structural view of the clamping plate of the present invention when being fixed.

The reference numbers in the figures illustrate:

the device comprises a mounting table 1, a carrier plate 2, a 3L-shaped frame, a PCB plate 4, a clamping plate 5, a magnetic slider 6, an electromagnet 7, a ball 8, an outer silica gel layer 9, a miniature air pump 10, a control rod 11, a stop ring 12, a limiting block 13, an air pipe 14 and a pressure sensing chip 15.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, 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 based on the embodiments 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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," "second," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1-2, a multifunctional fixing carrier for a PCB of an SMT mounter, including a mounting table 1, a carrier plate 2 is fixedly connected to an upper end of the mounting table 1, an L-shaped frame 3 is fixedly connected to an upper end of the carrier plate 2, a PCB body 4 is arranged at a corner of the L-shaped frame 3, a pair of guide chutes are formed in an inner end of the L-shaped frame 3, a magnetic slider 6 is slidably connected to the guide chutes, a clamping plate 5 is fixedly connected to an outer end of the magnetic slider 6, an electromagnet 7 is embedded at one end of the guide chute close to the corner, a plurality of uniformly distributed ball grooves are formed in one end of the clamping plate 5 close to the corner, and balls 8 are movably embedded in the ball grooves.

Referring to fig. 3, one end of the clamping plate 5 near the corner is further provided with a plurality of air expansion grooves which are distributed in a staggered manner with the ball grooves, an outer silica gel layer 9 is fixedly connected to an opening of each air expansion groove, a miniature air pump 10 is embedded in the clamping plate 5, the miniature air pump 10 is communicated with the air expansion grooves through a plurality of air pipes 14, and after the PCB is positioned, the miniature air pump 10 inflates air to increase air pressure in the air expansion grooves, so that the outer silica gel layer 9 is forced to expand outwards and tightly abuts against the PCB to increase friction force, and the PCB is well fixed.

Please refer to fig. 4, the inner fixedly connected with control lever 11 of many evenly distributed of outer silica gel layer 9, set up a plurality of pre-buried grooves corresponding with control lever 11 on the physiosis groove diapire, and control lever 11 extends to in the pre-buried groove, 9 one end fixedly connected with stopper 13 of outer silica gel layer is kept away from to control lever 11, pre-buried groove opening part fixedly connected with and 11 assorted stop collar 12 of control lever, through the distance control of stop collar 12 to stopper 13, can make the swelling capacity and the ball 8 phase-match of control lever 11, not only can fix the PCB, can carry out attitude adjustment to the PCB that has positioning deviation simultaneously.

The outer diameter of the limiting block 13 is larger than the inner diameter of the stop ring 12, and the distance between the limiting block 13 and the stop ring 12 is consistent with the radius of the ball 8.

Referring to fig. 5, the pressure sensing chip 15 is embedded in the outer silicone layer 9, and the pressure sensing chip 15 not only assists the outer silicone layer 9 to fully expand and tightly abut against the PCB, but also senses pressure change during the mounting process to determine whether the PCB is offset.

The cross-sectional shapes of the guide sliding groove and the magnetic sliding block 6 are both T-shaped, and the magnetic sliding block 6 is made of ferromagnetic materials, so that the precision of the clamping plate 5 in moving can be well guaranteed, and the PCB can be well positioned.

When in use, a technician firstly places the PCB at the corner of the L-shaped frame 3, then starts the electromagnet 7 to generate magnetic attraction to the magnetic slider 6, so that the clamping plates 5 synchronously move and extrude the PCB body 4 to be gradually attached to the corner, because the length and the width of the PCB body 4 are inconsistent, one of the clamping plates 5 can firstly support the PCB body 4, at the moment, under the rolling action of the balls 8, the other clamping plate 5 can still push the PCB body 4 to be attached to the corner, after the PCB is attached, the PCBs with different sizes can be ensured to be positioned at the corner, at the moment, the miniature air pump 10 is started to inflate to expand the outer silica gel layer 9, not only the PCBs can be supported tightly, the balls 8 can be prevented from sliding, but also the PCB body 4 can be extruded, even if the PCB body 4 is inclined, the PCB body can also be adjusted to be attached to the corner, compared with the prior art, the utility model discloses can realize automatic positioning and fixed to electric PCB, the skew of real-time detection subsides dress in-process improves and pastes dress quality simultaneously.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

SMT paster is with multi-functional fixed carrier for PCB, including subsides dress platform (1), its characterized in that: subsides dress platform (1) upper end fixedly connected with carrier board (2), carrier board (2) upper end fixedly connected with L type frame (3), the corner of L type frame (3) is equipped with PCB body (4), a pair of direction spout has been seted up to L type frame (3) inner, sliding connection has assorted magnetism slider (6) in the direction spout, magnetism slider (6) outer end fixedly connected with grip block (5), the direction spout is close to the one end of corner and inlays and installs electro-magnet (7), a plurality of evenly distributed's ball groove has been seted up to the one end that grip block (5) are close to the corner, ball inslot activity is inlayed and is had assorted ball (8).
2. The multifunctional fixed carrier for the PCB of the SMT chip mounter according to claim 1, wherein: the one end that grip block (5) are close to the corner still sets up a plurality ofly and the crisscross gas expansion groove that distributes in ball groove, gas expansion groove opening part fixedly connected with outer silica gel layer (9), inlay in grip block (5) and install miniature air pump (10), miniature air pump (10) communicate with gas expansion groove through many trachea (14).
3. The multifunctional fixed carrier for the PCB of the SMT chip mounter according to claim 2, wherein: outer silica gel layer (9) inner fixedly connected with many evenly distributed's control lever (11), set up a plurality of pre-buried grooves corresponding with control lever (11) on the physiosis groove diapire, and control lever (11) extend to the pre-buried inslot, outer silica gel layer (9) one end fixedly connected with stopper (13) are kept away from in control lever (11), pre-buried groove opening part fixedly connected with and control lever (11) assorted stop ring (12).
4. The multifunctional fixed carrier for the PCB of the SMT chip mounter according to claim 3, wherein: the outer diameter of the limiting block (13) is larger than the inner diameter of the blocking ring (12), and the distance between the limiting block (13) and the blocking ring (12) is consistent with the radius of the ball (8).
5. The multifunctional fixed carrier for the PCB of the SMT chip mounter according to claim 2, wherein: and a pressure sensing chip (15) is embedded in the outer silica gel layer (9).
6. The multifunctional fixed carrier for the PCB of the SMT chip mounter according to claim 1, wherein: the cross-sectional shapes of the guide sliding groove and the magnetic sliding block (6) are both T-shaped, and the magnetic sliding block (6) is made of ferromagnetic materials.