SMT printing device with positioning mechanism

Abstract

The utility model provides an SMT printing device with a positioning mechanism, belongs to the field of SMT printing equipment, aims to solve the problem that a processed circuit board is inconvenient to limit and straighten, and comprises a mounting box, a fixing plate is fixedly connected in the mounting box, a rotating disc is connected in the fixing plate through a bearing, a flitch is fixedly connected to a connecting shaft, and the flitch is fixedly connected to the rotating disc. A fixing rod is fixedly connected to the connecting shaft, an electric push rod is fixedly connected to the partition plate, and a printing plate is fixedly connected to the electric push rod. The device is provided with a fixed box; when a circuit board to be machined is placed and limited, the circuit board can be placed on a supporting plate of the fixing box, a self-locking motor is started to drive a gear to rotate, the gear rotates to drive racks on the two sides to move inwards, and meanwhile the racks can stably move through guiding of limiting blocks; the racks on the two sides can be matched with the clamping plates to clamp and limit the placed circuit boards, and the circuit boards of different sizes can be clamped and limited.

Description

TECHNICAL FIELD

[0001] The utility model relates to SMT printing equipment field, specifically, relate to a kind of SMT printing device with positioning mechanism. BACKGROUND

[0002] SMT printing device is a kind of equipment for welding electronic components to circuit board, is widely used in electronic manufacturing industry, especially surface mount technology (SMT) production line. Its main function is to accurately print solder paste to the specific position on PCB (printed circuit board), so that subsequent component mounting and welding process, SMT printing device plays a vital role in electronic manufacturing industry, especially in the production of precision and high-density electronic equipment, its efficient, accurate characteristics make it become one of the core equipment in modern SMT production line.

[0003] And most of the SMT printing device exists following several problems at present:

[0004] One, the existing SMT printing device, when using, most need staff to place circuit board etc. on workbench, printing processing, the circuit board placed is prone to tilt etc. Inhomogeneous or inaccurate processing is prone to occur when printing, it is inconvenient to limit and arrange the processed circuit board.

[0005] Two, the existing SMT printing device can process circuit board, but staff needs to place a material for printing and take out during processing, repeated processing process, material placement and taking out processing efficiency is low, and it is inconvenient to realize annular transportation and processing.

[0006] Therefore we make improvement, propose a kind of SMT printing device with positioning mechanism. INVENTION CONTENT

[0007] The utility model aims at: for the problem that the present inconvenient limit and arrange the processed circuit board simultaneously, it is inconvenient to realize annular transportation and processing.

[0008] In order to achieve the above object, the utility model provides the following technical scheme:

[0009] SMT printing device with positioning mechanism, to improve the above problem.

[0010] The application is as follows:

[0011] The utility model provides a kind of circuit board processing device, including installation box, fixedly connected with fixed plate in the installation box, bearing connection is carried out in the fixed plate with carousel, fixedly connected with fixed box on the carousel, fixedly connected with self-locking motor on the fixed box, the output shaft of self-locking motor is fixedly connected with gear, gear is engaged with rack, limiting block is fixedly connected on the rack, limiting block is limited slidingly connected in fixed box, fixedly connected with the supporting plate of control motor on the output shaft of control motor, fixedly connected with push frame on the supporting plate, rotationally connected with connecting shaft in the installation box, the other end of connecting shaft is fixedly connected on carousel, fixedly connected with the paste plate of connecting shaft, fixedly connected with fixed rod on the connecting shaft, fixedly connected with electric push rod on the partition, fixedly connected with printing plate on the electric push rod.

[0012] As a preferred technical solution of the present application, the output shaft of the self-locking motor is fixedly connected at the center of the gear, and the gear and the rack are in the same horizontal line.

[0013] As a preferred technical solution of the present application, the rack is symmetrically distributed at the left and right sides of the gear, and the rack is one-to-one corresponding to the clamping plate through the limiting block.

[0014] As a preferred technical solution of the present application, the limiting block is in the shape of "T" in cross section, and the supporting plate is fixedly connected at the center of the top of the fixed box.

[0015] As a preferred technical solution of the present application, the output shaft of the control motor is fixedly connected at the center of the supporting plate, and the push frame is in the shape of "L" in cross section.

[0016] As a preferred technical solution of the present application, the side end face of the supporting plate is fitted with the side end face of the paste plate, and the fixed rods are equally angularly distributed on the connecting shaft.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] In the scheme of the present application:

[0019] 1. The fixed box is provided; when placing and limiting the processed circuit board, the circuit board can be placed on the supporting plate of the fixed box, the self-locking motor is started to drive the gear to rotate, the gear rotation can drive the two side racks to move inward, and the rack can move stably through the guidance of the limiting block, the two side racks can cooperate with the clamping plate to clamp and limit the placed circuit board, avoid affecting the processing effect, and can clamp and limit circuit boards of different sizes.

[0020] 2. Set up with the rotating disc, open the control motor on the installation box to drive the support plate to rotate, the push frame on the support plate can push the fixed rod on the connecting shaft, drive the connecting shaft to rotate a quarter of a circle, and the groove of the support plate can avoid the paste plate from being rotated when rotating, after the support plate rotates, the paste of the support plate and the paste plate can avoid the rotation of the connecting shaft, can rotate a section, rotate and move the installed circuit board, can rotate a section to print the installed circuit board, continue to rotate a quarter of a circle to replace the circuit board, can carry out annular transportation and processing. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The overall three-dimensional structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0022] Figure 2 The rotating disc side view structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0023] Figure 3 The gear top view structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0024] Figure 4 The limiting block side view structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0025] Figure 5 The clamping plate top view structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0026] Figure 6 The push frame side view structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0027] Figure 7 The paste plate top view structure schematic diagram of the SMT printing device with a positioning mechanism is provided.

[0028] Indicated in the figure: 1, installation box; 2, fixed plate; 3, rotating disc; 4, fixed box; 5, self-locking motor; 6, gear; 7, rack; 8, limiting block; 9, clamping plate; 10, supporting plate; 11, partition plate; 12, control motor; 13, support plate; 14, push frame; 15, connecting shaft; 16, paste plate; 17, fixed rod; 18, electric push rod; 19, printing plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments.

[0030] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0031] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] Example 1:

[0035] like Figures 1-7 As shown, this embodiment proposes an SMT printing device with a positioning mechanism, including a mounting box 1. A fixing plate 2 is fixedly connected inside the mounting box 1. A turntable 3 is connected to the fixing plate 2 by a bearing. A fixing box 4 is fixedly connected to the turntable 3. A self-locking motor 5 is fixedly connected to the fixing box 4. A gear 6 is fixedly connected to the output shaft of the self-locking motor 5. A rack 7 is meshed with the gear 6. A limit block 8 is fixedly connected to the rack 7. The limit block 8 is slidably connected to the rack 7. A support plate 10 is fixedly connected to the rack 7. A partition plate 11 is bolted to the mounting box 1. A control motor 12 is fixedly connected to the mounting box 1. A support plate 13 is fixedly connected to the output shaft of the control motor 12. A pusher 14 is fixedly connected to the support plate 13. A connecting shaft 15 is rotatably connected inside the mounting box 1. The other end of the connecting shaft 15 is fixedly connected to the turntable 3. A plate 16 is fixedly connected to the connecting shaft 15. A fixing rod 17 is fixedly connected to the connecting shaft 15. An electric push rod 18 is fixedly connected to the partition plate 11. A printing plate 19 is fixedly connected to the electric push rod 18.

[0036] Example 2:

[0037] The solution in Example 1 will be further described below with reference to its specific working method.

[0038] like Figure 4 As shown, in a preferred embodiment, based on the above method, the output shaft of the self-locking motor 5 is further fixedly connected to the center of the gear 6, and the gear 6 and the rack 7 are on the same horizontal line, which can ensure that the gear 6 can drive the rack 7 to move smoothly when it rotates.

[0039] like Figure 3 As shown, in a preferred embodiment, based on the above method, the racks 7 are further symmetrically distributed on the left and right sides of the gear 6. The racks 7 correspond one-to-one with the clamping plates 9 through the limiting blocks 8, which can ensure that the cooperation between the racks 7 on both sides and the clamping plates 9 can clamp and limit the placement of the circuit board.

[0040] like Figure 4 As shown, in a preferred embodiment, based on the above method, the limiting block 8 has a "T" shaped cross section, and the support plate 10 is fixedly connected to the center of the top of the fixed box 4, which can ensure that the "T" shaped limiting block 8 can slide within the fixed box 4.

[0041] like Figure 6 As shown, in a preferred embodiment, based on the above method, the output shaft of the control motor 12 is further fixedly connected to the center of the support plate 13, and the pusher 14 has an "L" shaped cross-section, which can ensure that the protruding part of the "L" shaped pusher 14 can push the fixed rod 17 on the connecting shaft 15 to rotate a quarter turn.

[0042] like Figure 7 As shown, in a preferred embodiment, based on the above method, the side end face of the support plate 13 is further fitted with the side end face of the plate 16, and the fixing rods 17 are distributed at equal angles on the connecting shaft 15, which can ensure the fit between the support plate 13 and the plate 16 and limit the connection shaft 15 on the plate 16.

[0043] Specifically, when using this SMT printing device with a positioning mechanism: [combined with...] Figures 1-7 When placing and limiting the circuit boards being processed, the circuit boards can be placed on the tray 10 of the fixed box 4. The self-locking motor 5 is turned on to drive the gear 6 to rotate. The rotation of the gear 6 can drive the racks 7 on both sides to move inward. At the same time, the racks 7 can move smoothly through the guide of the limiting block 8. The racks 7 on both sides can cooperate with the clamping plate 9 to clamp and limit the placed circuit boards, so as to avoid affecting the processing effect. It can clamp and limit circuit boards of different sizes.

[0044] Turning on the control motor 12 on the installation box 1 drives the support plate 13 to rotate, the push frame 14 on the support plate 13 can push the fixed rod 17 on the connecting shaft 15, drive the connecting shaft 15 to rotate a quarter of a circle, the connecting shaft 15 drives the rotating disc 3 to rotate on the fixed plate 2, and the recess of the support plate 13 can avoid the paste plate 16 from being unable to be rotated when rotating, after the support plate 13 rotates, the support plate 13 and the paste plate 16 are combined to avoid the connecting shaft 15 from rotating, and can rotate a section to move the installed circuit board, turning on the electric push rod 18 on the partition plate 11 drives the printing plate 19 to move downward, the printing plate 19 can print the circuit board installed below, and continue to rotate a quarter of a circle to replace the circuit board below, and the circuit board below can be circularly transported and processed.

[0045] The above embodiments are only used to illustrate the present application and are not limited to the technical solutions described in the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments, and any modification or equivalent replacement of the present application; all technical solutions and improvements within the spirit and scope of the application are included in the scope of the claims of the present application.

Claims

1. An SMT printing apparatus having a positioning mechanism, comprising a mounting box (1), characterized in that, The mounting box (1) is fixedly connected with a fixed plate (2), the fixed plate (2) is bearing connected with a rotating disc (3), the rotating disc (3) is fixedly connected with a fixed box (4), the fixed box (4) is fixedly connected with a self-locking motor (5), the output shaft of the self-locking motor (5) is fixedly connected with a gear (6), the gear (6) is meshingly connected with a rack (7), the rack (7) is fixedly connected with a limiting block (8), the limiting block (8) is limitingly and slidingly connected in the fixed box (4), the rack (7) is fixedly connected with a supporting plate (10), the mounting box (1) is boltedly connected with a partition plate (11), the mounting box (1) is fixedly connected with a control motor (12), the output shaft of the control motor (12) is fixedly connected with a supporting plate (13), the supporting plate (13) is fixedly connected with a push frame (14), the mounting box (1) is rotatably connected with a connecting shaft (15), the other end of the connecting shaft (15) is fixedly connected on the rotating disc (3), the connecting shaft (15) is fixedly connected with a sticking plate (16), the connecting shaft (15) is fixedly connected with a fixed rod (17), the partition plate (11) is fixedly connected with an electric push rod (18), the electric push rod (18) is fixedly connected with a printing plate (19).

2. The SMT printing device with a positioning mechanism according to claim 1, characterized in that, The output shaft of the self-locking motor (5) is fixedly connected at the center of the gear (6), and the gear (6) and the rack (7) are in the same horizontal line.

3. The SMT printing device with a positioning mechanism according to claim 1, characterized in that, The rack (7) is symmetrically distributed at the left and right sides of the gear (6), and the rack (7) is one-to-one corresponding with the clamping plate (9) through the limiting block (8).

4. The SMT printing device with a positioning mechanism according to claim 1, characterized in that, The limiting block (8) is in "T" shape in cross section, and the supporting plate (10) is fixedly connected at the top center of the fixed box (4).

5. The SMT printing device with a positioning mechanism according to claim 1, wherein, The output shaft of the control motor (12) is fixedly connected at the center of the supporting plate (13), and the push frame (14) is in "L" shape in cross section.

6. The SMT printing device with a positioning mechanism according to claim 1, characterized in that, The side end face of the supporting plate (13) is fitted with the side end face of the sticking plate (16), and the fixed rod (17) is equally angularly distributed on the connecting shaft (15).

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