Feeding device of chip mounter

Abstract

The utility model provides a feeding device of a chip mounter, which belongs to the technical field of chip mounters and comprises a base, a first guide rail fixedly arranged on the base and a second guide rail adjustably arranged on the base, a slideway is arranged between the first guide rail and the second guide rail, the second guide rail is connected with a limiting mechanism, and the limiting mechanism is located in the slideway. The limiting mechanism comprises a push plate arranged through a buffer assembly, the buffer assembly can be used for pushing the push plate to the first guide rail, and the push plate and the first guide rail can clamp the circuit board; according to the utility model, the position of the printing plate can be limited when the printing plate is fed, so that the bad influence caused by position deviation of the printing plate can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a patch machine equipment technical field, concretely relates to a feeding device of patch machine. BACKGROUND

[0002] The patch machine is also called "mounting machine", "surface mounting system", in the production line, it is configured after the glue dispenser or silk screen printing machine, is through moving mounting head accurately places surface mounting component on PCB pad one kind of equipment, after PCB (printed circuit board) surface printing soldering paste, through the conveying belt of connecting patch machine feed inlet transmission, enters the inside station of patch machine and pastes component, finally through reflow soldering completes the welding process.

[0003] The feeding mechanism of most patch machines is usually fixed, after the printed board is placed on the feeding mechanism, the feeding mechanism transmits, cannot adjust the width, is not flexible enough.

[0004] In view of the above problem, the market develops a kind of guide rail that can slide, and another fixed guide rail can be used to transmit printed boards of different widths, such as the feeding mechanism of the patch machine disclosed in CN203851420U, the width of the feeding track can be adjusted by the above-mentioned method, thereby increasing the practicability of the device.

[0005] Although the above-mentioned method can be used to transmit the printed board, since the printed board needs to slide between the two guide rails, there will be a gap between the two sides of the printed board and the two guide rails, so that the printed board will be slightly inclined after being lifted by the ejector pin, thereby reducing the quality of the printed board mounting. INVENTION CONTENTS

[0006] Therefore, the feeding device of the patch machine can limit the position of the printed board during feeding, thereby preventing the adverse effects caused by position deviation.

[0007] To solve the above technical problems, the utility model provides a kind of feeding device of patch machine, including base and the first guide rail and adjustablely arranged second guide rail of fixed setting on base, first guide rail and second guide rail are symmetrically arranged, first guide rail and second guide rail have slide between them, printed board can move in slide, second guide rail is connected with limiting mechanism, limiting mechanism is located in slide, limiting mechanism is used to limit the position of printed board, limiting mechanism includes the push plate of the buffer assembly, buffer assembly can be used to push push plate to first guide rail, push plate and first guide rail can clamp circuit board.

[0008] The end of the push plate close to the feeding end is also provided with a guide plate, and the printed circuit board can be automatically corrected through the guide plate.

[0009] The guide plate is hingedly arranged at the end of the push plate, and a torsion spring is further connected between the push plate and the guide plate, which can be used to push the end of the guide plate away from the push plate to the end away from the first guide rail, and the guide plate can be automatically adjusted according to the position of the push plate.

[0010] A plurality of perforations are further arranged on the push plate, and a rubbing roller is rotatably arranged in the perforation, so that the printed circuit board can be moved more smoothly through the rubbing roller.

[0011] A rubber layer is arranged on the outer surface of the rubbing roller, which can increase the friction between the rubbing roller and the printed circuit board.

[0012] The limiting mechanism comprises a connecting plate connected with the second guide rail, and the buffer assembly comprises a plurality of telescopic rods arranged on the connecting plate, which are arranged towards the first guide rail, and the end of the telescopic rod is connected with the push plate, which can provide support and guidance for the push plate, and a thrust spring is further arranged outside the telescopic rod, one end of which is connected with the push plate, and the other end is connected with the connecting plate, which can push the push plate to the first guide rail.

[0013] The connecting plate is connected with the second guide rail through bolts, which can facilitate the installation or disassembly of the limiting mechanism.

[0014] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0015] 1. The push plate can push the printed circuit board against the first guide rail through the buffer assembly, so that the printed circuit board can be slightly inclined when the printed circuit board is lifted by the ejector pin, and the quality of the printed circuit board can be further improved.

[0016] 2. The guide plate can guide and correct the printed circuit board when it enters between the push plate and the first guide rail, and the guide plate can be rotated through the torsion spring, so as to adapt to the position-adjusted push plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the feeding device of the patching machine.

[0018] Figure 2 It is a structure schematic view of the limiting mechanism.

[0019] Figure 3 It is a structure schematic view of the patching machine. Figure 2 It is a structure schematic view of the patching machine.

[0020] MARKED DESCRIPTION:

[0021] 100, first guide rail; 101, second guide rail; 102, slide; 103, limiting mechanism;

[0022] 200, buffer assembly; 201, telescopic rod; 202, push spring;

[0023] 300, push plate; 301, perforation; 302, abutting roller; 303, guide plate; 304, torsion spring;

[0024] 400, connecting plate. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings of the embodiments of the present application to make a detailed description. Figures 1-3 The technical scheme of the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0026] As shown in Figure 1 , 2 : it includes a base and a first guide rail 100 and an adjustable second guide rail 101 fixedly arranged on the base, the first guide rail 100 and the second guide rail 101 are arranged in parallel, and the first guide rail 100 and the second guide rail 101 are arranged symmetrically with each other, and the first guide rail 100 and the second guide rail 101 have a slide 102 between them, and when the second guide rail 101 is adjusted to move, the distance between the first guide rail 100 and the second guide rail 101 can be changed, that is, the width of the slide 102 can be changed;

[0027] In the embodiment, the second guide rail 101 is connected with a limiting mechanism 103 for limiting the push plate 300, the limiting mechanism 103 is located in the slide 102 and is arranged towards the first guide rail 100, the limiting mechanism 103 includes the push plate 300 arranged on the second guide rail 101 through the buffer assembly 200, the buffer assembly 200 can be used to push the push plate 300 towards the first guide rail 100, and the push plate 300 and the first guide rail 100 can clamp the circuit board;

[0028] That is, when the printed board is transmitted in the slide 102, the buffer assembly 200 can push the push plate 300 so that the push plate 300 abuts against the side wall of the printed board, so that the other side of the printed board can abut against the first guide rail 100, so that the printed board can be prevented from being inclined, and then the push rod can avoid the inclination of the patch work when the printed board is lifted to patch, so that the quality of the printed board patch can be indirectly ensured.

[0029] AsFigure 1 、 2 , as shown in FIG. 3,

[0030] The end of the push plate 300 close to the feeding end is also provided with a guide plate 303, that is, the end of the guide plate 303 away from the push plate 300 is inclined towards the second guide rail 101. In this way, during the transmission of the printing plate, the end of the printing plate will be in contact with the guide plate 303, and then the inclined angle of the guide plate 303 will make the printing plate gradually move between the push plate 300 and the first guide rail 100. During the movement of the printing plate, the end of the printing plate in the transmission process can also be in contact with the guide plate 303 to make the push plate 300 move away from the first guide rail 100 until the printing plate moves between the push plate 300 and the first guide rail 100.

[0031] As shown in FIG. 4, Figure 1 、 2 , as shown in FIG. 3,

[0032] The guide plate 303 is hingedly arranged at the end of the push plate 300, that is, the guide plate 303 can rotate at the end of the push plate 300, and a torsion spring 304 is further connected between the push plate 300 and the guide plate 303. The torsion spring 304 can be used to push the end of the guide plate 303 away from the push plate 300 to the end away from the first guide rail 100, that is, the torsion spring 304 can always make the end of the guide plate 303 always in contact with the second guide rail 101, so that the guide plate 303 can still normally guide even after the displacement of the push plate 300.

[0033] As shown in FIG. 4, Figure 1 、 2 , as shown in FIG. 3,

[0034] The push plate 300 is also provided with a plurality of perforations 301, which are arranged through the push plate 300. A contact roller 302 is rotatably arranged in the perforation 301. The contact roller 302 can rotate on the push plate 300. In this embodiment, the plurality of contact rollers 302 are arranged in a linear array, so that the side wall of the printing plate can be in contact with the outer surface of the contact roller 302 during the transmission of the printing plate. In this way, the side wall of the printing plate will not be in hard contact with the push plate 300, and the printing plate can be transmitted more smoothly.

[0035] As shown in FIG. 4, Figure 1 、 2 , as shown in FIG. 3,

[0036] The outer surface of the contact roller 302 is provided with a rubber layer, that is, the rubber layer can increase the friction between the contact roller 302 and the printing plate, so as to avoid slipping between the printing plate and the contact roller 302 during the transmission of the printing plate.

[0037] As shown in FIG. 4, Figure 2 、 3 , as shown in FIG. 3,

[0038] The limiting mechanism 103 further comprises a connecting plate 400 connected with the second guide rail 101, and the buffer assembly 200 comprises a plurality of telescopic rods 201 arranged on the connecting plate 400, the telescopic rods 201 are vertically arranged between the connecting plate 400, and the telescopic rods 201 are arranged on the connecting plate 400 and directed to the first guide rail 100, the telescopic rods 201 are connected with the push plate 300, the telescopic rods 201 can provide support and guidance for the push plate 300, the telescopic rods 201 are further sleeved with a push spring 202, the telescopic rods 201 can further provide guidance for the push spring 202, that is, the push spring 202 will not be bent during stretching, one end of the push spring 202 is connected with the push plate 300, and the other end of the push spring 202 is connected with the connecting plate 400; that is, the push spring 202 can always push the push plate 300 to the first guide rail 100.

[0039] As shown in Figure 2

[0040] The connecting plate 400 is connected with the second guide rail 101 through bolts, that is, the limiting mechanism 103 can be quickly installed as a whole through the bolts, and the limiting mechanism 103 can be quickly disassembled as a whole, so that the limiting mechanism 103 can be conveniently maintained or replaced.

[0041] In addition, it should be noted that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] The above is the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, some improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.​

Claims

1. A feeding device of a chip mounter, comprising a base and a first guide rail (100) fixedly arranged on the base and a second guide rail (101) adjustably arranged, wherein a sliding channel (102) is formed between the first guide rail (100) and the second guide rail (101), characterized in that: The second guide rail (101) is connected with a limiting mechanism (103), the limiting mechanism (103) is located in the slide (102), the limiting mechanism (103) comprises a push plate (300) provided on the second guide rail (101) through a buffer assembly (200), the buffer assembly (200) can be used for pushing the push plate (300) to the first guide rail (100), and the push plate (300) and the first guide rail (100) can clamp the circuit board.

2. The feeding device of a chip mounter according to claim 1, wherein: The end of the push plate (300) close to the feeding end is also provided with a guide plate (303).

3. A feed device for a chip mounter as claimed in claim 2, characterized in that: The guide plate (303) is hinged to the end of the push plate (300), and a torsion spring (304) is further connected between the push plate (300) and the guide plate (303), the torsion spring (304) can be used for pushing the end of the guide plate (303) away from the push plate (300) to the end away from the first guide rail (100).

4. The feed device of a chip mounter according to claim 1, wherein: A plurality of perforations (301) are further provided on the push plate (300), and a resisting roller (302) is rotatably arranged in the perforation (301).

5. A feed device for a chip mounter as claimed in claim 4, wherein: The outer surface of the resisting roller (302) is provided with a rubber layer.

6. The feed device of a chip mounter according to claim 1, wherein: The limiting mechanism (103) comprises a connecting plate (400) connected with the second guide rail (101), the buffer assembly (200) comprises a plurality of telescopic rods (201) arranged on the connecting plate (400), the end of the telescopic rod (201) is connected with the push plate (300), the outer side of the telescopic rod (201) is further provided with a push spring (202), one end of the push spring (202) is connected with the push plate (300), and the other end of the push spring (202) is connected with the connecting plate (400).

7. A feed device for a chip mounter as claimed in claim 6, wherein: The connecting plate (400) is connected with the second guide rail (101) through bolts.

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