CN216626233U

CN216626233U - A PCB fixed establishment for chip mounter

Info

Publication number: CN216626233U
Application number: CN202123004160.8U
Authority: CN
Inventors: 刘云波
Original assignee: Dongguan Anleji Intelligent Electronics Co ltd
Current assignee: Dongguan Anleji Intelligent Electronics Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-27
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a PCB fixing mechanism for a chip mounter, which comprises a fixed seat and two groups of clamping pieces symmetrically arranged on the fixed seat, wherein the fixed seat is connected with a positioning piece for fixing the fixed seat on the chip mounter; an adjusting cavity is arranged in the fixed seat, and an adjusting piece is arranged in the adjusting cavity; the clamping piece comprises a first clamping plate and a second clamping plate, one side of the bottom of the first clamping plate, which is close to the second clamping plate, is connected with the stabilizing plate, one side of the bottom of the second clamping plate, which is close to the first clamping plate, is connected with the stabilizing plate in sliding fit with the inner cavity of the stabilizing plate, and the stabilizing plate is internally provided with a telescopic piece; the utility model has small occupied area, is convenient to detach and replace from a chip mounter, has less parts arranged outside the fixed seat, reduces the influence on the mounting of the PCB, is convenient for placing and fixing the PCB by the fixed seat, and can stably clamp the PCB under the action of the telescopic piece.

Description

A PCB fixed establishment for chip mounter

Technical Field

The utility model relates to the technical field of chip mounters, in particular to a PCB fixing mechanism for a chip mounter.

Background

The chip mounter is a core device in an SMT production line and is mainly used for mounting a source chip component of an electronic product, and a mounting head mounts the component to a corresponding position of a PCB. Only support the PCB that the longest is 300m long, to 600mm long PCB, inconvenient fixing.

In the chip mounter PCB board mounting fixture disclosed in the prior patent publication No. CN212910253U, through the effect of first rotation handle, make first shank of bolt drive first bearing and first splint inwards slide, reach the first fixed to the PCB board of unidimensional not, through the slip slide bar, make guide bar and second splint and PCB board close contact, then through the effect of second rotation handle, make second shank of bolt drive second bearing and third splint downstream, reach the second fixed to the PCB board.

Although the fixing clamp can stably fix the PCB, the third clamping plate can contact the top of the PCB during fixing, and the first bolt rod and the second bolt rod which extend out of the clamp can occupy too much area of the chip mounter, so that the chip mounting operation of the PCB is influenced, and improvement is needed. In view of the above problems, a PCB fixing mechanism for a chip mounter is now provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a PCB fixing mechanism for a chip mounter, so as to solve the problems set forth in the above background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a PCB fixing mechanism for a chip mounter comprises a fixed seat and two groups of clamping pieces symmetrically arranged on the fixed seat, wherein a positioning piece used for fixing the fixed seat on the chip mounter is connected to the fixed seat;

an adjusting cavity is arranged in the fixed seat, and an adjusting part for stably adjusting the distance between the two groups of clamping parts is arranged in the adjusting cavity;

the clamping part comprises a first clamping plate and a second clamping plate, the bottom of the first clamping plate is close to one side of the second clamping plate to be connected with the stabilizing plate, the bottom of the second clamping plate is close to one side of the first clamping plate to be connected with the extending plate in sliding fit with the inner cavity of the stabilizing plate, and a telescopic part used for pulling the extending plate to be received into the inner cavity of the stabilizing plate is arranged in the stabilizing plate.

Preferably, the positioning piece comprises a positioning block, two ends of the fixing seat are connected with two sets of symmetrically arranged positioning blocks, and positioning holes matched with screws are formed in the positioning blocks.

Preferably, the adjusting part comprises a screw rod installed in the adjusting cavity, the bottom of the stabilizing plate is connected with a moving block in threaded connection with the screw rod, the bottom of the moving block is in sliding connection with the bottom plate surface of the adjusting cavity, two sets of threads corresponding to the two sets of moving blocks on the screw rod are opposite in rotating direction, one end of the screw rod is connected with a connecting rod in rotating fit with the fixed seat, and the connecting rod extends out of the fixed seat to be connected with the rotating disc.

Preferably, the bottom of the stabilizing plate is connected with two groups of guide blocks used for stably adjusting the positions of the clamping pieces, guide rods are installed in the fixed seats, and sliding holes which are slidably penetrated through the guide rods are formed in the guide blocks.

Preferably, the middle part of one side of the rotating disc, which is far away from the connecting rod, is provided with a hexagonal groove.

Preferably, one side that first grip block and second grip block are close to all is connected with the rubber pad, the rubber pad is equipped with anti-skidding line with the one side of PCB contact.

Preferably, one side of the fixing seat is provided with a second through groove for stabilizing the sliding of the plate, and one side of the fixing seat, which is far away from the second through groove, is provided with a first through groove for extending the sliding of the plate.

Preferably, the telescopic member comprises at least two groups of springs arranged in the stabilizing plate, and the other ends of the springs are connected with one end of the extending plate extending to the inner cavity of the stabilizing plate.

Preferably, the extensible member includes electric telescopic handle, electric telescopic handle one end is connected the steadying plate inner chamber and is kept away from extension board one side, the one end that the extension board extends to the steadying plate inner chamber is connected to the electric telescopic handle other end.

Compared with the prior art, the utility model has the beneficial effects that:

the PCB mounting device has the advantages that the occupied area is small, the number of the arranged components on the outer side of the fixed seat is small, the influence on the PCB mounting is reduced, the fixed seat is convenient for placing and fixing the PCB, and the first clamping plate and the second clamping plate can stably clamp the PCB under the action of the telescopic piece;

the positioning piece is arranged, so that the fixing seat can be stably fixed at the working position of the chip mounter, the fixing mechanism can conveniently fix the PCB, and the fixing mechanism can be conveniently detached from the chip mounter for replacement;

the distance between the two groups of clamping pieces can be adjusted by the arrangement of the adjusting pieces, so that the PCBs with different lengths can be conveniently and stably fixed.

Drawings

Fig. 1 is a schematic structural diagram of a PCB fixing mechanism for a chip mounter.

Fig. 2 is a schematic structural diagram of a clamping member in a PCB fixing mechanism for a chip mounter.

Fig. 3 is a schematic structural diagram of components in an adjustment cavity in a PCB fixing mechanism for a chip mounter.

Fig. 4 is a schematic structural diagram of a rotary disk and a positioning block in a PCB fixing mechanism for a chip mounter.

In the figure: 11-a fixed seat, 12-a first clamping plate, 13-a second clamping plate, 14-a rubber pad, 15-a stable plate, 16-an extending plate, 17-a guide block, 18-a moving block, 19-a first through groove, 20-a second through groove, 21-an adjusting cavity, 22-a guide rod, 23-a screw rod, 24-a rotating disc and 25-a positioning block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, a PCB fixing mechanism for a chip mounter includes a fixing base 11 and two sets of clamping members symmetrically disposed on the fixing base 11, where the fixing base 11 is connected with a positioning member for fixing the fixing base 11 on the chip mounter;

the positioning piece is arranged, so that the fixing seat 11 can be stably fixed at the working position of the chip mounter, the fixing mechanism can conveniently fix the PCB, and the fixing mechanism can be conveniently detached from the chip mounter for replacement;

an adjusting cavity 21 is arranged in the fixed seat 11, and an adjusting part for stably adjusting the distance between the two groups of clamping parts is arranged in the adjusting cavity 21;

the distance between the two groups of clamping pieces can be adjusted by arranging the adjusting pieces, so that the PCBs with different lengths can be conveniently and stably fixed;

the clamping piece comprises a first clamping plate 12 and a second clamping plate 13, one side, close to the second clamping plate 13, of the bottom of the first clamping plate 12 is connected with a stabilizing plate 15, one side, close to the first clamping plate 12, of the bottom of the second clamping plate 13 is connected with an extending plate 16 in sliding fit with an inner cavity of the stabilizing plate 15, and a telescopic piece used for pulling the extending plate 16 to be retracted into the inner cavity of the stabilizing plate 15 is arranged in the stabilizing plate 15;

the setting of extensible member makes second grip block 13 be close to first grip block 12, can realize that first grip block 12 and the cooperation of second grip block 13 carry out the fixed effect of centre gripping to PCB.

The positioning piece comprises positioning blocks 25, two ends of the fixing seat 11 are connected with two groups of symmetrically arranged positioning blocks 25, and the positioning blocks 25 are provided with positioning holes matched with screws;

when the fixing seat 11 needs to be fixed on the chip mounter, screws matched with the positioning holes can be taken and used, and the positioning block 25 is connected with the chip mounter, so that the fixing seat 11 is fixed at a working position.

The adjusting part comprises a lead screw 23 arranged in an adjusting cavity 21, the bottom of the stabilizing plate 15 is connected with a moving block 18 in threaded connection with the lead screw 23, the bottom of the moving block 18 is in sliding connection with the bottom plate surface of the adjusting cavity 21, the two groups of threads corresponding to the two groups of moving blocks 18 on the lead screw 23 are opposite in turning direction, one end of the lead screw 23 is connected with a connecting rod in rotating fit with the fixed seat 11, and the connecting rod extends out of the fixed seat 11 and is connected with a rotating disc 24;

when the rotating disc 24 rotates, the screw rod 23 is driven to rotate, and the rotation directions of the two groups of threads are opposite. Will drive two sets of stabilizer plates 15 to opposite direction motion, carry out the synchronization regulation, two sets of holders of messenger are close to in the corotation of lead screw 23, and two sets of holders of messenger are kept away from in the reversal of lead screw 23.

The bottom of the stabilizing plate 15 is connected with two groups of guide blocks 17 used for stably adjusting the positions of the clamping pieces, a guide rod 22 is installed in the fixed seat 11, and a sliding hole which is penetrated by the guide rod 22 in a sliding manner is formed in the guide block 17; when the screw 23 is used for adjusting the stabilizing plate 15 to move, the guide block 17 slides on the guide rod 22, so that the stability of adjusting the stabilizing plate 15 is improved.

One sides of the first clamping plate 12 and the second clamping plate 13 close to each other are connected with rubber pads 14, and anti-skid lines are arranged on one sides of the rubber pads 14 in contact with the PCB; the arrangement of the rubber pad 14 reduces the damage to the PCB during clamping and improves the stability of clamping.

A second through groove 20 for sliding the stabilizing plate 15 is formed in one side of the fixed seat 11, and a first through groove 19 for sliding the extending plate 16 is formed in one side of the fixed seat 11, which is far away from the second through groove 20; when the clamp is adjusted, the stabilizing plate 15 slides within the second through slot 20 and the extension plate 16 slides within the first through slot 19.

The telescopic piece comprises at least two groups of springs arranged in the stabilizing plate 15, and the other ends of the springs are connected with one end of the extending plate 16 extending to the inner cavity of the stabilizing plate 15; when the PCB is placed at the top of the fixed seat 11, the second clamping plate 13 can be pulled, the extension plate 16 pulls the spring at the same time, after the PCB is placed, the second clamping plate 13 is loosened, the force of the spring is received, the extension plate 16 is collected into the inner cavity of the stabilizing plate 15, the second clamping plate 13 contacts the PCB, and during actual operation, the second clamping plate 13 can be manually assisted by a person to be close to the PCB in order to reduce the impact of the second clamping plate 13 on the PCB.

Example 2

Compared with the embodiment 1, the middle part of one side of the rotating disc 24, which is far away from the connecting rod, is provided with a hexagonal groove; in practice, a tool can be used to penetrate the hexagonal slot to assist in the rotation of the rotatable disk 24.

Example 3

The difference from the embodiment 1 is that the telescopic part comprises an electric telescopic rod, one end of the electric telescopic rod is connected with one side of the inner cavity of the stabilizing plate 15, which is far away from the extension plate 16, and the other end of the electric telescopic rod is connected with one end of the inner cavity of the stabilizing plate 15, which extends to the extension plate 16;

when PCB placed at the 11 tops of fixing base, electronic telescopic link control extension board 16 stretches out the 15 inner chambers of stabilizer plate, and first grip block 12 is kept away from to second grip block 13, and later PCB placed the back that finishes, electric telescopic link drove and stretches 16 income stabilizer plate 15 inner chambers of board, and second grip block 13 contact PCB, second grip block 13 and first grip block 12 carry out the centre gripping to PCB.

The working principle of the utility model is as follows: when the PCB fixing mechanism for the chip mounter is used, a screw matched with the positioning hole is used, and the positioning block 25 is connected with the chip mounter, so that the fixing seat 11 is fixed at a working position;

adjusting the distance between the two groups of clamping pieces through the adjusting piece according to the length of the PCB;

make second grip block 13 keep away from first grip block 12, place PCB at fixing base 11 top, receive the extensible member effect, first grip block 12 and the cooperation of second grip block 13 are fixed to the centre gripping of PCB.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a PCB fixed establishment for chip mounter, includes fixing base (11) and two sets of holders of symmetry setting on fixing base (11), its characterized in that: the fixed seat (11) is connected with a positioning piece used for fixing the fixed seat (11) on the chip mounter;

an adjusting cavity (21) is arranged in the fixed seat (11), and an adjusting piece for stably adjusting the distance between the two groups of clamping pieces is arranged in the adjusting cavity (21);

the holder includes first grip block (12) and second grip block (13), first grip block (12) bottom is close to second grip block (13) one side and connects stabilizer plate (15), second grip block (13) bottom is close to first grip block (12) one side and connects extension board (16) with stabilizer plate (15) inner chamber sliding fit, be equipped with in stabilizer plate (15) and be used for pulling extension board (16) income stabilizer plate (15) inner chamber's extensible member.

2. The PCB fixing mechanism for a mounter according to claim 1, wherein: the locating piece includes locating piece (25), fixing base (11) both ends all are connected with locating piece (25) that two sets of symmetries set up, be equipped with on locating piece (25) with screw complex locating hole.

3. The PCB fixing mechanism for a mounter according to claim 1, wherein: the adjusting piece comprises a screw rod (23) installed in an adjusting cavity (21), the bottom of the stabilizing plate (15) is connected with a moving block (18) in threaded connection with the screw rod (23), the bottom of the moving block (18) is in sliding connection with the bottom plate surface of the adjusting cavity (21), two sets of threads corresponding to the two sets of moving blocks (18) on the screw rod (23) are opposite in rotating direction, one end of the screw rod (23) is connected with a connecting rod in rotating fit with the fixing seat (11), and the connecting rod extends out of the fixing seat (11) to be connected with a rotating disc (24).

4. The PCB fixing mechanism for a mounter according to claim 3, wherein: the utility model discloses a clamping piece, including stabilizer plate (15), fixing base (11), stabilizer plate (15) bottom is connected with two sets of guide blocks (17) that are used for the stable adjusting position of holder, installation guide bar (22) in fixing base (11), be equipped with the slide opening that slides and pass with guide bar (22) on guide block (17).

5. The PCB fixing mechanism for a mounter according to claim 3, wherein: the middle part of one side of the rotating disc (24) far away from the connecting rod is provided with a hexagonal groove.

6. The PCB fixing mechanism for a mounter according to claim 1, wherein: one side that first grip block (12) and second grip block (13) are close to mutually all is connected with rubber pad (14), one side of rubber pad (14) and PCB contact is equipped with anti-skidding line.

7. The PCB fixing mechanism for a mounter according to claim 1, wherein: fixing base (11) one side is equipped with and is used for the gliding second of stabilizer plate (15) to lead to groove (20), fixing base (11) are kept away from second and are led to groove (20) one side and are equipped with and are used for gliding first logical groove (19) of extension board (16).

8. The PCB fixing mechanism for a mounter according to claim 1, wherein: the telescopic piece comprises at least two groups of springs arranged in the stabilizing plate (15), and the other ends of the springs are connected with one end of the extending plate (16) extending to the inner cavity of the stabilizing plate (15).

9. The PCB fixing mechanism for a mounter according to claim 1, wherein: the extensible member includes electric telescopic handle, electric telescopic handle one end is connected stabilizer plate (15) inner chamber and is kept away from extension board (16) one side, electric telescopic handle other end is connected extension board (16) and is extended to the one end in stabilizer plate (15) inner chamber.