CN221354662U

CN221354662U - PCB carrier for reflow soldering

Info

Publication number: CN221354662U
Application number: CN202323219978.0U
Authority: CN
Inventors: 蓝杰
Original assignee: Yibin Ruiyijia Technology Co ltd
Current assignee: Yibin Ruiyijia Technology Co ltd
Filing date: 2023-11-28
Publication date: 2024-07-16
Anticipated expiration: 2033-11-28

Abstract

The utility model provides a PCB carrier for reflow soldering, which belongs to the technical field of PCB production equipment and comprises a carrier frame, wherein a carrier plate is connected in the carrier frame in a sliding way, two sliding ports are symmetrically formed in the lower end face of the carrier frame, limit posts are arranged in the rear ends of the two sliding ports, the top ends of the limit posts are respectively and fixedly connected with the carrier plate, two mounting frames are symmetrically and fixedly arranged in the carrier frame, a first bidirectional screw rod is respectively and rotatably connected in the two mounting frames, a rotating block is fixedly connected to the front side shaft end of one of the first bidirectional screw rods, and double-groove belt wheels are fixedly connected to the rear ends of the first bidirectional screw rods. According to the utility model, through the first bidirectional screw, the double-groove belt wheel, the synchronous belt, the pressing frame and the pressing sheet, the pressing fixation of a plurality of positions of the PCB in a single operation is realized, the same pressing fixation strength is ensured, the operation is convenient, the fixation efficiency is improved, and the problem of low efficiency of fixing the PCB through a plurality of bolts in the prior art is solved.

Description

PCB carrier for reflow soldering

Technical Field

The utility model relates to the technical field of PCB production equipment, in particular to a PCB carrier for reflow soldering.

Background

A PCB, chinese name printed circuit board, is an electronic component printed and spatially arranged for mounting electronic components. The surface mounting technology is a circuit mounting technology for mounting non-pin or short-lead surface assembly components on the surface of a PCB and performing welding assembly by a reflow soldering or dip soldering method. Usually, after the PCB blank is subjected to SMT (surface mount technology) loading, the solder paste on the PCB is required to be melted by a reflow furnace at high temperature and then cooled, and finally the parts of the PCB are in a stable state. In order to prevent the electronic components from deforming or falling when the PCB passes through the reflow oven, a carrier is required to fix the electronic components.

Through retrieving, in the prior art, the chinese patent with patent application number CN202021721403.2 discloses a PCB carrier for reflow soldering, and the technical scheme is as follows: including fixed slot and PCB board, the feed slot has been seted up to the front end of fixed slot, the passageway has been seted up along vertical direction to the fixed slot, first fixed orifices and second fixed orifices have been seted up to the upper surface of fixed slot, fixed setting up the locating piece on the upper end inner wall of fixed slot, the fixed screw hole that is provided with in upper end of locating piece, the upper end of fixed slot is provided with the fixed plate, the fixed a plurality of first springs that set up of lower surface mounting of fixed plate, the fixed briquetting that is provided with of lower extreme of first spring, first spring and briquetting and electronic component one-to-one, first through-hole and second through-hole have been seted up to the edge of fixed plate, the upper end of fixed plate is provided with the backup pad, the fixed bracing piece that is provided with in edge of backup pad, although the stationarity that keeps the clamp plate to remove that can be fine, but still have following defect:

(1) In the prior art, a plurality of bolts are required to be respectively rotated to fix the PCB in the process of fixing the PCB, so that on one hand, the operation is complicated, on the other hand, the rotation and pressing strength is different, and the fixing efficiency is low;

(2) In the prior art, the PCB carrier needs to carry and assemble parts such as the fixed plate in a reciprocating manner in the process of compressing elements on the PCB, so that the time consumption is long, the labor intensity of staff is high, and the operation and the use are inconvenient.

Therefore, we have made improvements to this and have proposed a PCB carrier for reflow soldering.

Disclosure of utility model

The utility model aims at: the PCB carrier for reflow soldering solves the problem that the existing PCB carrier for reflow soldering is inconvenient to fix and compress the PCB rapidly, and is complex in operation.

In order to achieve the above object, the present utility model provides the following technical solutions:

to improve the above problems.

The utility model is specifically as follows:

Including the carrying frame, sliding connection has the loading board in the carrying frame, two slide openings have been seted up to the lower terminal surface symmetry of carrying frame, two all be equipped with spacing post in the rear end of slide opening, and the top of spacing post respectively with loading board fixed connection, the symmetry just is fixed with two mounting brackets in the carrying frame, two all rotate in the mounting bracket and be connected with first bi-directional screw rod, one of them the front axle end fixedly connected with rotary block of first bi-directional screw rod, the equal fixedly connected with double flute band pulley of rear end of first bi-directional screw rod, the transmission is connected with the hold-in range between the double flute band pulley, equal threaded connection has two movable blocks on the first bi-directional screw rod, and two movable blocks respectively with mounting bracket sliding connection, two the tip of movable block is all rotated and is connected with the connecting rod, the top of connecting rod is rotated and is connected with the pressure frame, the lower terminal surface symmetry of pressure frame just is fixed with two fixed columns, the equal fixedly connected with preforming of bottom of fixed column, the upside of carrying frame is equipped with the pressure structure.

According to the technical scheme, the pressing structure comprises four upright posts fixed on the upper end face of a carrying frame, a pressing plate is connected between the four upright posts in a sliding manner, first springs are sleeved on the four upright posts, the upper end and the lower end of each first spring are respectively and fixedly connected with the pressing plate and the carrying frame, a group of damping rods are uniformly and fixedly connected to the lower end face of each pressing plate, pressing blocks are fixedly connected to the bottom ends of the damping rods, second springs are sleeved on the damping rods, the upper end and the lower end of each second spring are respectively and fixedly connected with the pressing plate and the pressing blocks, top frames are fixedly connected to the top ends of the four upright posts, second bidirectional screws are rotationally connected to the top frames, knobs are fixedly connected to the front ends of the second bidirectional screws, strip-shaped openings are formed in the top frames, two sliding seats are symmetrically arranged in the strip-shaped openings, the two sliding seats are respectively and in threaded connection with the second bidirectional screws, adjusting rods are respectively and rotatably connected to the bottom ends of the two sliding seats, connecting pieces are rotatably connected to the bottom ends of the adjusting rods, and the connecting pieces are fixedly connected to the pressing plates.

As the preferable technical scheme of the utility model, the inner sides of the upper end surfaces of the two mounting frames are fixedly connected with sliding rails, sliding strips are connected in the sliding rails in a sliding manner, and the inner side walls of the sliding strips are fixedly connected with the side walls of the bearing plates respectively.

As the preferable technical scheme of the utility model, one end of the front side wall of the bearing plate, which is far away from the rotary block, is fixedly connected with a connecting frame, the connecting frame is connected with a limit bolt in a threaded manner, and the side wall of the bearing frame is provided with a jack matched with the limit bolt.

As the preferable technical scheme of the utility model, the upper end face of the front side of the bearing plate is fixedly connected with a handle, and an anti-skid sleeve is fixedly sleeved on the handle.

As a preferable technical scheme of the utility model, the lower end face of the pressing sheet is fixedly connected with a protective pad, and the protective pad is made of rubber materials.

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

in the scheme of the utility model:

1. Through the first bidirectional screw rod, the double-groove belt wheel, the synchronous belt, the pressing frame and the pressing sheet, the multiple positions of the PCB are pressed and fixed through single operation, the same pressing and fixing strength is ensured, the operation is convenient, the fixing efficiency is improved, and the problem of low efficiency of fixing the PCB through multiple bolts in the prior art is solved;

2. Through loading board, spacing post, draw runner, spacing bolt and the compress tightly the structure that set up, realized pulling out the loading board and placing PCB and pushing it again, need not to carry the equipment and can compress tightly the component on the PCB fast, showing the reduction in time, still reduce operating personnel's working strength, make things convenient for operating personnel to operate and use, solved among the prior art to compressing tightly the PCB component and need carry the problem that equipment part inefficiency.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a PCB carrier for reflow soldering according to the present utility model;

Fig. 2 is a schematic view of a carrier board moving out structure of a PCB carrier for reflow soldering according to the present utility model;

fig. 3 is a schematic structural view of a mounting frame and a connecting component of a PCB carrier for reflow soldering according to the present utility model;

Fig. 4 is a schematic diagram of a bottom structure of a PCB carrier for reflow soldering according to the present utility model;

fig. 5 is a schematic side view of a PCB carrier for reflow soldering according to the present utility model;

fig. 6 is a schematic front view of a PCB carrier for reflow soldering according to the present utility model.

The figures indicate:

1. A carrying frame; 2. a carrying plate; 3. a sliding port; 4. a limit column; 5. a mounting frame; 6. a first bi-directional screw; 7. rotating the block; 8. a double groove belt wheel; 9. a synchronous belt; 10. a moving block; 11. a connecting rod; 12. a pressing frame; 13. fixing the column; 14. tabletting; 15. a compacting structure; 1501. a column; 1502. a pressing plate; 1503. a first spring; 1504. a damping rod; 1505. briquetting; 1506. a second spring; 1507. a top frame; 1508. a second bidirectional screw; 1509. a knob; 1510. a slide; 1511. an adjusting rod; 1512. a connecting sheet; 16. a slide rail; 17. a slide bar; 18. a connecting frame; 19. a limit bolt; 20. a handle; 21. and a protective pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the embodiment provides a PCB carrier for reflow soldering, which comprises a carrier frame 1, a carrier plate 2 is slidably connected in the carrier frame 1, the carrier plate 2 is convenient to pull out and place a PCB, abrasion to the carrier plate can be avoided, no carrying component is needed to compress, efficiency is improved, two sliding ports 3 are symmetrically arranged on the lower end face of the carrier frame 1, limit posts 4 are arranged in the rear ends of the two sliding ports 3, the top ends of the limit posts 4 are respectively fixedly connected with the carrier plate 2, the limit posts 4 can move along with the carrier plate 2, the maximum position of the carrier plate 2 which is moved out is conveniently limited, two mounting frames 5 are symmetrically and fixedly arranged in the carrier frame 1, first bidirectional screws 6 are rotationally connected in the two mounting frames 5, the front shaft end of one of the first bidirectional screws 6 is fixedly connected with a rotary block 7, the rear end of the first bidirectional screw rod 6 is fixedly connected with a double-groove belt wheel 8, a synchronous belt 9 is connected between the double-groove belt wheels 8 in a transmission way, two moving blocks 10 are connected on the first bidirectional screw rod 6 in a threaded way, the two moving blocks 10 are respectively connected with the mounting frame 5 in a sliding way, the end parts of the two moving blocks 10 are respectively connected with a connecting rod 11 in a rotating way, the top ends of the connecting rods 11 are rotatably connected with a pressing frame 12, the lower end surfaces of the pressing frame 12 are symmetrical and fixedly provided with two fixed columns 13, the bottom ends of the fixed columns 13 are fixedly connected with pressing sheets 14, the first bidirectional screw rod 6 connected with the pressing frame 12 is rotated through the rotating blocks 7, the rotating of the first bidirectional screw rod 6 drives the double-groove belt wheel 8 to synchronously rotate, the other first bidirectional screw rod 6 is synchronously rotated through the synchronous belt 9, the two moving blocks 10 synchronously move outwards, the connecting rods 11 move to move the pressing frame 12 to descend, thereby make fixed column 13 and preforming 14 decline, conveniently fix the PCB, compare with prior art, convenient quick fixed and compress tightly fixed intensity the same, the upside of carrying frame 1 is equipped with compress tightly structure 15.

As shown in fig. 1, 5 and 6, as a preferred embodiment, based on the above manner, the compacting structure 15 further includes four upright posts 1501 fixed on the upper end surface of the carrying frame 1, a pressing plate 1502 is slidingly connected between the four upright posts 1501, first springs 1503 are sleeved on the four upright posts 1501, the upper and lower ends of the first springs 1503 are respectively fixedly connected with the pressing plate 1502 and the carrying frame 1, a group of damping rods 1504 are uniformly and fixedly connected to the lower end surface of the pressing plate 1502, the bottom ends of the damping rods 1504 are fixedly connected with a pressing block 1505, second springs 1506 are sleeved on the damping rods 1504, the upper and lower ends of the second springs 1506 are respectively fixedly connected with the pressing plate 1502 and the pressing block 1505, the top ends of the four upright posts 1501 are fixedly connected with a top frame 1507, the top frame 1507 is rotationally connected with a second bidirectional screw 1508, the front ends of the second bidirectional screw 1508 are fixedly connected with a knob 1509, the top frame 1507 is provided with a strip-shaped opening, two sliding seats 1510 are symmetrically arranged in the strip-shaped opening, the two sliding seats 1510 are respectively in threaded connection with the second bidirectional screw 1508, the bottom ends of the two sliding seats 1510 are respectively, and the bottom ends of the two bidirectional screw rods 1510 are rotatably connected with the pressing plate 1502 and the connecting plates 1512 are fixedly connected with the pressing plates 1512; the second bi-directional screw 1508 is rotated by the knob 1509, which in turn moves the two carriages 1510 inwardly in synchronization, and the movement of the carriages 1510 moves the adjustment rod 1511, which in turn lowers the platen 1502, thereby compressing the components on the PCB by the press block 1505.

As shown in fig. 1, 2 and 6, as a preferred embodiment, on the basis of the above manner, further, the inner sides of the upper end surfaces of the two mounting frames 5 are fixedly connected with sliding rails 16, sliding strips 17 are slidably connected in the sliding rails 16, and the inner side walls of the sliding strips 17 are fixedly connected with the side walls of the bearing plates 2 respectively; the carrier plate 2 can be stably moved by the slide 17 and the slide rail 16, and the position thereof can be defined.

As shown in fig. 1, 2 and 6, as a preferred embodiment, based on the above manner, further, one end of the front side wall of the carrying plate 2 far away from the rotary block 7 is fixedly connected with a connecting frame 18, the connecting frame 18 is in threaded connection with a limit bolt 19, and the side wall of the carrying frame 1 is provided with a jack matched with the limit bolt 19; the position of the bearing plate 2 is conveniently fixed through the connecting frame 18 and the limiting bolt 19, and the operation is convenient.

As shown in fig. 1 and fig. 2, as a preferred embodiment, based on the above manner, further, a handle 20 is fixedly connected to the upper end surface of the front side of the carrying plate 2, and an anti-slip sleeve is fixedly sleeved on the handle 20; the carrying plate 2 is conveniently pulled out and pushed in through the handle 20, and the anti-slip sleeve can increase the friction force of hands.

As shown in fig. 1 and 2, as a preferred embodiment, further, based on the above manner, the lower end surface of the pressing sheet 14 is fixedly connected with a protection pad 21, and the protection pad 21 is made of rubber material; the protection pad 21 is used for protecting the PCB conveniently, and damage to the PCB in the fixing process is avoided.

Specifically, the present PCB carrier for reflow soldering is operative/in use: the limiting bolt 19 is unscrewed, the handle 20 is pulled to pull the bearing plate 2 outwards, the PCB is placed on the bearing plate 2, the bearing plate 2 is pushed into the bearing plate, the limiting bolt 19 is screwed again, the rotary block 7 is rotated to enable the first bidirectional screw rod 6 connected with the limiting bolt to rotate, the rotation of the first bidirectional screw rod 6 drives the double-groove belt pulley 8 to synchronously rotate, the other first bidirectional screw rod 6 is synchronously rotated through the synchronous belt 9, the two moving blocks 10 are synchronously moved outwards, the moving blocks 10 move to enable the connecting rod 11 to move to enable the pressing frame 12 to descend, the fixing column 13, the pressing sheet 14 and the protection pad 21 descend to fix the PCB, the rotary knob 1509 is rotated to enable the second bidirectional screw rod 1508 to rotate, the two sliding seats 1510 synchronously move inwards, the sliding seat 1510 moves the adjusting rod 1511, the pressing plate 1502 descends, and the pressing block 1505 compresses elements on the PCB.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims

1. The utility model provides a PCB carrier for reflow soldering, includes carrier frame (1), its characterized in that, sliding connection has loading board (2) in carrier frame (1), two slide opening (3) have been seted up to the lower terminal surface symmetry of carrier frame (1), two all be equipped with spacing post (4) in the rear end of slide opening (3), and the top of spacing post (4) respectively with loading board (2) fixed connection, symmetry just is fixed with two mounting brackets (5) in carrier frame (1), two all rotate in mounting bracket (5) and be connected with first bi-directional screw (6), one of them the front axle end fixedly connected with rotary block (7) of first bi-directional screw (6), the rear end all fixedly connected with double-grooved pulley (8) of first bi-directional screw (6), the transmission is connected with hold-in strip (9) between double-grooved pulley (8), all threaded connection has two movable blocks (10) on first bi-directional screw (6), and two movable blocks (10) respectively with carrier frame (5) sliding connection just are fixed with two mounting brackets (5), the front end fixedly connected with rotary compression bar (13) of two bi-directional screw (6) has, and the end of two connecting rod (12) has fixed compression bar (13), the upper side of the carrying frame (1) is provided with a pressing structure (15).

2. The PCB carrier for reflow soldering of claim 1, wherein the pressing structure (15) comprises four columns (1501) fixed on the upper end surface of the carrier frame (1), the four columns (1501) are connected with a pressing plate (1502) in a sliding manner, the four columns (1501) are respectively sleeved with a first spring (1507), the upper end and the lower end of the first spring (1503) are respectively and fixedly connected with the pressing plate (1502) and the carrier frame (1), a group of damping rods (1504) are uniformly and fixedly connected with the lower end surface of the pressing plate (1502), the bottom ends of the damping rods (1504) are fixedly connected with a pressing block (1505), the damping rods (1504) are respectively sleeved with a second spring (1506), the upper end and the lower end of the second spring (1506) are respectively and fixedly connected with the pressing plate (1502) and the pressing block (1505), the top ends of the four columns (1501) are respectively and fixedly connected with a top frame (1507), the top frame (1507) is rotationally connected with a second double-direction screw (1508), the bottom ends of the second spring (1502) are fixedly connected with a double-direction screw (1510), two screw rods (1510) are respectively connected with two screw rods (1510), two screw rods (1510) are respectively provided with two screw rods (1510), two screw rods (1510) are respectively, and two screw rods (1510) are respectively connected with two screw rods (1510), the bottom end of the adjusting rod (1511) is rotatably connected with a connecting sheet (1512), and the connecting sheet (1512) is fixedly connected with the pressing plate (1502).

3. The PCB carrier for reflow soldering according to claim 1, wherein the inner sides of the upper end surfaces of the two mounting frames (5) are fixedly connected with sliding rails (16), sliding strips (17) are slidably connected in the sliding rails (16), and the inner side walls of the sliding strips (17) are fixedly connected with the side walls of the bearing plate (2) respectively.

4. The PCB carrier for reflow soldering of claim 1, wherein one end of the front side wall of the bearing plate (2) far away from the rotary block (7) is fixedly connected with a connecting frame (18), the connecting frame (18) is connected with a limit bolt (19) in a threaded manner, and the side wall of the bearing frame (1) is provided with a jack matched with the limit bolt (19).

5. The PCB carrier for reflow soldering according to claim 1, wherein a handle (20) is fixedly connected to the upper end surface of the front side of the carrier plate (2), and an anti-slip sleeve is fixedly sleeved on the handle (20).

6. The PCB carrier for reflow soldering of claim 1, wherein the lower end surface of the pressing piece (14) is fixedly connected with a protection pad (21), and the protection pad (21) is made of rubber material.