CN207696239U - A circuit board edge grinding machine - Google Patents

Abstract

The utility model discloses a circuit board edge grinding machine, aiming at providing a device which can make the work of edge changing and grinding of the circuit board more convenient, the key point of the technical proposal is that the device comprises a frame and a transmission track which is arranged on the frame and is used for transmitting the circuit board, the transmission track comprises a first track and a second track which are mutually connected, the first track and the second track are mutually vertical, and two sides of the first track and the second track are both provided with a baffle; the baffle is provided with an opening which is positioned at the end part of the first track facing the second track and is used for the circuit board to enter the second track from the first track. When the circuit board moves from the first track to the second track in the device, two edges of the circuit board close to two edges of the transmission track are automatically converted into other opposite edges from two opposite edges of the circuit board, so that the work of edge changing and polishing of the circuit board is simpler and more convenient.

Description

A circuit board edge grinding machine

technical field

The utility model relates to the technical field of edging machine equipment, more specifically, it relates to a circuit board edging machine.

Background technique

Before the electronic components are mounted on the board, the edges of the original board are not smooth. Therefore, in actual production, it is necessary to smooth the burrs of the circuit board to reduce the defective rate of subsequent circuit board production. Now most of the automatic edging machines are used for edging, replacing the previous low-efficiency manual edging methods. When the circuit board moves on the conveying device of the edging machine, the corresponding grinding mechanism performs edging processing on the circuit board; most of the circuit boards are rectangular, and the circuit board should be automatically changed on the conveying device to make the four sides of the circuit board All sides are smoothed.

For example, the Chinese patent with the notification number CN204761841U discloses an edge-changing mechanism for an automatic circuit board edger, which includes a transmission, a clamping rotation device and a frame, and the transmission is horizontally installed on the inside of the frame, and the clamping The rotating device is installed in the middle of the inner side of the frame. The clamping rotating device includes two telescopic cylinders, two servo motors and two clamping rotary heads. The telescopic cylinders are fixed and installed on the frame symmetrically up and down. The shafts are fixedly connected, and the output shaft of the servo motor is equipped with a clamping rotary head.

This mechanism rotates the circuit board by 90° through the connection and cooperation of two telescopic cylinders, two servo motors and two clamping rotary heads to change the side of the circuit board; however, this method is too cumbersome and requires many structures. The work of changing the edge of the circuit board is not easy enough.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide a circuit board edging machine. In this device, when the circuit board moves from the first track to the second track, the circuit board is close to the two sides of the transmission track. Automatic switching from opposite sides of the circuit board to the other opposite two sides has the effect of simplifying the work of changing sides of the circuit board.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a circuit board edging machine, including a frame and a transmission track for transmitting circuit boards arranged on the frame, and the transmission track includes interconnected The first track and the second track, the first track and the second track are perpendicular to each other, both sides of the first track and the second track are provided with baffles; The end of the track and the opening for the circuit board to pass from the first track to the second track.

By adopting the above technical scheme, when the circuit board moves on the first track, the opposite sides of the circuit board are respectively close to the baffle plates on both sides of the first track; then the circuit board moves to the second track through the opening, and at this time the other The opposite two sides are respectively close to the baffles on both sides of the second track; the transmission track is divided into the first track and the second track which are perpendicular to each other, and the circuit board automatically switches on the transmission track to the opposite two sides close to the two sides of the transmission track, and then The two pairs of opposite sides of the circuit board are polished on the first track and the second track respectively; thus, complicated equipment and structures are not needed, and the work of changing sides of the circuit board to be polished is easier.

Preferably, both the first track and the second track are equipped with a transmission assembly, and the transmission assembly includes a support roller, a motor, a sprocket and a chain; there are multiple support rollers distributed along the transmission direction of the transmission track, The support roller is rotatably connected to the baffle plates on both sides of the transmission track and runs through one side of the baffle plate; the motor is arranged on the frame and located on one side of the transmission track, the sprocket ring is sleeved on the support roller, and the chain is elliptical and Engaged with each sprocket, the motor drives one of the support rollers to rotate.

By adopting the above technical scheme, the motor drives one of the supporting rollers to rotate, the meshing of the sprocket ring and the chain drives the chain to move, and then the chain drives the other supporting rollers to rotate synchronously, and the steering direction of each supporting roller is the same; the circuit board is on the supporting roller There is mutual friction with the support roller, and the circuit board moves with the rotation of the support roller, so that the circuit board is conveyed, which is convenient for the grinding of the circuit board and the collection of the circuit board after grinding, and the first track and the second track only use two Motor drive to achieve energy saving effect.

Preferably, the height of the support rollers on the second track is lower than the height of the support rollers on the first track.

By adopting the above technical solution, the circuit board moves from the first track to the second track more smoothly, and the circuit board moves out of the first track for a greater distance and touches the support roller on the second track, so that the circuit board is in the opening. With less friction from the supporting rollers on the second track, the circuit board moves to the second track more quickly.

Preferably, the baffle plate of the first track is rotatably connected to a limit roller, and the limit roller is close to the opening and directly above the support roller.

By adopting the above technical solution, when the circuit board is close to the opening on the first track, the circuit board is clamped between the support roller and the limit roller, so that the circuit board transitions from the opening to the second track more smoothly, and the circuit board is not easy to appear. Dislocation between the circuit board and the second track caused by skewing; the limit roller is rotatably connected to the baffle, which reduces the frictional resistance of the limit roller to the circuit board when the circuit board moves.

Preferably, the baffle is provided with a rolling bearing sleeved on the limiting roller.

By adopting the above technical solution, the rolling bearing makes the friction between the limit roller and the baffle plate smaller when rotating, so that the circuit board moves with less resistance, and the circuit board moves from the first track to the second track more smoothly and quickly .

Preferably, the limiting roller is provided with a rubber layer.

By adopting the above technical solution, the circuit board abuts against the lower surface of the limiting roller, the rubber layer plays a role of protecting the circuit board, and the circuit board is less likely to be damaged by the limiting roller.

Preferably, the supporting roller is covered with a plurality of plastic rings distributed along the length direction of the supporting roller.

By adopting the above technical solution, under the premise of having the same conveying effect on the circuit board, the plurality of plastic rings distributed along the length direction of the support roller have the effect of saving material and reducing production cost.

Preferably, both sides of the transmission track are equipped with edging assemblies, and the edging assemblies include a motor mounted on the frame and a grinding wheel fixed to the output shaft of the motor, and the grinding wheel passes through the baffle.

By adopting the above technical scheme, when the circuit board passes through the grinding wheel, the grinding wheel rotates to grind the circuit board, and the structure is simple and convenient.

In summary, the utility model has the following beneficial effects: the first track and the second track are perpendicular to each other, the circuit board moves from the first track to the second track through the opening; the opposite sides of the circuit board are close to the two sides of the first track The baffle plate, the other two opposite sides of the circuit board are close to the baffle plates on both sides of the second track, which is convenient for grinding the four sides of the circuit board, making the work of changing sides of the circuit board easier.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is a schematic diagram of the assembly relationship between the limit roller and the baffle in the embodiment of the utility model;

Fig. 3 is an enlarged view of part A in Fig. 2 .

Among the figure: 1, frame; 21, first track; 22, second track; 3, baffle plate; 4, opening; 51, supporting roller; 52, motor; 53, sprocket gear; 54, chain; 6, Limiting roller; 7, rolling bearing; 8, rubber layer; 9, plastic ring; 10, edging assembly; 101, electric motor; 102; grinding wheel.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

A circuit board edging machine, as shown in FIG. 1 , includes a frame 1 and a transmission track arranged on the frame 1 for conveying circuit boards. The transmission track comprises a first track 21 and a second track 22 perpendicular to each other, and both sides of the first track 21 and the second track 22 are fixed with baffle plates 3; The opening 4 is located at the end of the first rail 21 facing the second rail 22 .

As shown in FIG. 1 and FIG. 2 , an edge grinding assembly 10 is provided on both sides of the first track 21 and the second track 22 , and the edge grinding assembly 10 includes a motor 101 and a grinding wheel 102 . The motor 101 is fixed on the frame 1 , the grinding wheel 102 is fixed on the output shaft of the motor 101 and arranged along the horizontal direction, the grinding wheel 102 penetrates the baffle 3 and extends into the first track 21 and the second track 22 .

When the circuit board moved on the first track 21, the opposite two sides of the circuit board were close to the baffle plate 3 on both sides of the first track 21; Baffle plate 3 on track 22 both sides. When the circuit board passes through the grinding wheel 102, the grinding wheel 102 driven by the motor 101 performs edge grinding; the circuit board moves on the first rail 21 and the second rail 22 successively, and then the four sides of the circuit board are all polished. The circuit board is automatically changed and polished on the transmission track, without taking complicated structures and cumbersome steps, so that the work of automatically changing and grinding is more convenient.

As shown in FIG. 1 and FIG. 3 , both the first track 21 and the second track 22 are provided with a transmission assembly, and the transmission assembly includes a support roller 51 , a motor 52 , a sprocket ring 53 and a chain 54 . There are a plurality of support rollers 51 evenly distributed along the moving direction of the circuit board, and the plurality of support rollers 51 are at the same height and parallel to each other; One end of the roller 51 protrudes from the transmission track, and the length direction of the supporting roller 51 is perpendicular to the moving direction of the circuit board. The motor 52 is fixed on the frame 1 , and the output shaft of the motor 52 is fixedly connected to the endmost support roller 51 among the plurality of support rollers 51 . The sprocket ring 53 is sleeved and fixed on the end of the support roller 51 protruding from the transmission track, and the chain 54 is elliptical and meshes with each sprocket ring 53 .

The motor 52 drives a support roller 51 located at the end to rotate, and the sprocket gear 53 on the support roller 51 drives the chain 54 to move along a fixed elliptical track, and then the chain 54 drives other support rollers 51 to rotate synchronously; the circuit board is on the support roller 51 , there is friction between the supporting roller 51 and the circuit board, so that the circuit board moves forward, and the transmission of the circuit board is realized.

The baffle 3 of the first track 21 is rotatably connected to the limit roller 6 (see Figure 2), and the baffle 3 is fixedly installed with a rolling bearing 7 sleeved on the limit roller 6; the limit roller 6 is close to the opening 4, and the first track 21 The supporting roller 51 close to the opening 4 is located directly below the limiting roller 6 . When the circuit board passes through the opening 4, the circuit board is clamped between the limit roller 6 and the support roller 51, so that the circuit board moves from the first track 21 to the second track 22 more stably; and the limit roller 6 rotates through the rolling bearing 7 It is connected to the baffle plate 3 so that when the circuit board abuts against the limiting roller 6, the friction between the circuit board and the limiting roller 6 is smaller, and the circuit board moves faster.

The height of the support roller 51 on the second track 22 is lower than that of the support roller 51 on the first track 21, so that the circuit board falls on the support roller 51 of the first track 21 after the circuit board is completely separated from the opening 4, and the circuit board is at the opening 4. The support rollers 51 of the first track 21 are not contacted when moving, so that the circuit board transitions from the first track 21 to the second track 22 more smoothly.

As shown in Figure 2, the support roller 51 is sleeved and fixed with a plurality of plastic rings 9 evenly distributed along the length direction of the support roller 51. Under the premise of having the same effect of conveying the circuit board, the plastic ring 9 saves the production of the support roller 51. materials and costs. A rubber layer 8 is fixedly arranged on the outside of the limiting roller 6, and the rubber layer 8 plays a good role in protecting the circuit board.

The overall working process: the circuit board moves on the first track 21, and the opposite sides of the circuit board are close to the baffle plates 3 on both sides of the first track 21; Relative two sides are close to the baffle plate 3 on both sides of the second rail 22; Smooth the four sides.

The above-mentioned embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution as required after reading this specification, but as long as the utility model All claims are protected by patent law.

Claims (8)

1. a kind of circuit board edge polishers, including rack (1) and the transmission rail for transmitting circuit plate set on rack (1), It is characterized in that：The transmission rail includes the first track (21) being connected with each other and the second track (22), first track (21) it is mutually perpendicular to the second track (22), the both sides of first track (21) and the second track (22) are equipped with baffle (3)； The baffle (3), which is equipped with, is located at the first track (21) towards the end of the second track (22) and power circuit board is from the first track (21) Into the opening (4) of the second track (22).

2. a kind of circuit board edge polishers according to claim 1, it is characterized in that：First track (21) and the second track (22) it is equipped with transfer assembly, the transfer assembly includes support roller (51), motor (52), chain gear ring (53) and chain (54)；The support roller (51) has multiple and transmission direction distributions along transmission rail, the support roller (51) to be rotationally connected with The baffle (3) on transmission rail both sides and therethrough a side guard (3)；The motor (52) is set to rack (1) and positioned at transmission On one side, the chain gear ring (53) is sheathed on support roller (51) to track, the chain (54) be ellipticity and with each chain gear ring (53) it is meshed, the motor (52) drives one of support roller (51) rotation.

3. a kind of circuit board edge polishers according to claim 2, it is characterized in that：Second track (22) upper backup roll (51) height is less than the height of the first track (21) upper backup roll (51).

4. a kind of circuit board edge polishers according to claim 2, it is characterized in that：The baffle (3) of first track (21) It is rotatably connected to limit roller (6), surface of the limit roller (6) close to opening (4) and positioned at support roller (51).

5. a kind of circuit board edge polishers according to claim 4, it is characterized in that：The baffle (3) is equipped with and is socketed on limit The rolling bearing (7) of roller (6).

6. a kind of circuit board edge polishers according to claim 4 or 5, it is characterized in that：The limit roller (6) is equipped with rubber layer (8)。

7. a kind of circuit board edge polishers according to claim 2, it is characterized in that：It is arranged with outside the support roller (51) multiple Along the plastic hoop (9) of support roller (51) length direction distribution.

8. a kind of circuit board edge polishers according to claim 1, it is characterized in that：The both sides of the transmission rail are equipped with mill Side component (10), the edging component (10) include being set to the motor (101) of rack (1) and being fixed on motor (101) The grinding wheel (102) of output shaft, the grinding wheel (102) run through baffle (3).