Solder paste screen printing table positioning device

Abstract

The utility model belongs to the technical field of printing equipment, and particularly relates to a solder paste screen printing table positioning device which comprises a positioning piece body, a sliding groove is formed in the positioning piece body, a positioning block is integrally arranged on one side of the sliding groove in the positioning piece body, and a first right-angle limiting groove and a second right-angle limiting groove are formed in the positioning block. The first right-angle limiting groove and the second right-angle limiting groove are formed in the same side, the first right-angle limiting groove is longer than the second right-angle limiting groove, arc-shaped grooves are formed in the right-angle positions of the first right-angle limiting groove and the second right-angle limiting groove, and a clamping groove is formed in the lower end of the inner wall of the first right-angle limiting groove. Compared with the prior art, the limiting device meets the limiting function of a common circuit board, and can fix a circuit board with the specification of 15mm to 15mm and even a smaller circuit board.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field more specifically, it relates to a tin paste silk screen printing platform positioning device. BACKGROUND

[0002] Now with the development of the times, the demand of circuit board is also increasing, so the quality and efficiency of circuit board production and processing are gradually improved, tin paste silk screen printing platform is located in the forefront of SMT production line in the circuit board processing process, generally by printing template, printing platform, tin paste, printing, circuit board and so on mechanism is composed, it mainly is to steel screen printing to the solder pad on the circuit board.

[0003] For example, the authorized announcement number CN205951460U discloses a kind of high-precision silk screen printing platform, by being equipped with multiple positioning pieces on work platform, positioning piece is equipped with a sliding slot, locking screw is set through the sliding slot of positioning piece, locking screw is threadedly connected work platform, positioning needle is connected on each positioning piece.

[0004] In the above, positioning device is all in the form of positioning needle, positioning needle can only be fixed to the circuit board with positioning hole. Now the trend of circuit board is miniaturization, high integration, more and more circuit board cancels positioning hole. Positioning needle positioning device cannot meet the tin paste printing of no positioning hole circuit board, and its positioning device is redesigned to meet the tin paste printing of no positioning hole circuit board. Utility model content

[0005] In view of the deficiencies existing in the prior art, the utility model aims at providing a tin paste silk screen printing platform positioning device which can solve the problem that no positioning hole circuit board cannot be fixed.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of tin paste silk screen printing platform positioning device, including positioning piece body, sliding slot is set up on positioning piece body, positioning piece body is integrally equipped with positioning block on one side of sliding slot, the right angle limit slot one and the right angle limit slot two are set up on the positioning block, the right angle limit slot one and the right angle limit slot two are located in the same side, and the length of the right angle limit slot one is greater than the length of the right angle limit slot two,

[0008] Arc-shaped groove is set up in the right angle of the right angle limit slot one and the right angle limit slot two, and clamping groove is set up in the lower end of the inner wall of the right angle limit slot one.

[0009] The utility model is further provided as follows: the right angle limit slot one and the right angle limit slot two are equipped with positioning hole on both sides, and limiting piece is threadedly connected in the positioning hole.

[0010] The utility model further sets up: the stop piece includes two limit screw and limit board, limit board is set in two limit screw outer wall, two limit screw outer wall is equipped with spring, spring one end is fixed with limit board another end and limit screw end fixed.

[0011] The utility model further sets up: limit board lower end surface is fixed with antiskid piece, antiskid piece adopts silica gel material to make.

[0012] The utility model further sets up: the inner wall of right angle limit groove no.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] By using right angle type limit groove on the plane of installing the positioning needle originally, the circuit board edge is embedded into the right angle limit groove of the positioning device and plays a fixing role, by setting the right angle limit groove no. 15mm specification size circuit board even smaller circuit board, further, the arc groove can avoid the right angle edge of the circuit board, prevents damage, the clamping groove can avoid the component of the circuit board, further, the setting of the stop piece can make the fixation of the circuit board more stable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is structure schematic diagram of the utility model embodiment;

[0016] Fig. 2 It is side view of the utility model embodiment.

[0017] Positioning member body 1, sliding groove 2, positioning block 3, right angle limit groove no. DETAILED DESCRIPTION

[0018] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0019] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0020] Working principle: when using, the four corners of the circuit board to be processed according to the specification are placed into the corresponding right-angle limiting groove one 4 or right-angle limiting groove two 5, then the limiting screw rod 9 is connected with the corresponding positioning hole 8, under the elastic force of the spring 11, the anti-skid sheet 12 below the limiting plate 10 is in abutment with the upper end face of the circuit board, since the anti-skid sheet 12 is made of silica gel material, the circuit board can be fixed and at the same time the circuit board can be prevented from being scratched, the arc-shaped groove 6 can avoid the right-angle edge of the circuit board, preventing damage, and the clamping groove 7 can avoid the components of the circuit board.

[0021] As shown in the figure, Figs. 1-2

[0022] The positioning member body 1 is provided with a sliding groove 2, a positioning block 3 is integrally arranged on one side of the sliding groove 2, right-angle limiting groove one 4 and right-angle limiting groove two 5 are arranged on the positioning block 3, the right-angle limiting groove one 4 and the right-angle limiting groove two 5 are arranged on the same side, the length of the right-angle limiting groove one 4 is greater than that of the right-angle limiting groove two 5, the right-angle limiting groove one 4 and the right-angle limiting groove two 5 are designed to be large and small, the right-angle limiting groove one 4 satisfies the limiting effect of a general circuit board, and the right-angle limiting groove two 5 can fix a circuit board with a size of 15mm 15mm or even a smaller circuit board.

[0023] The inner walls of the right-angle limiting groove one 4 and the right-angle limiting groove two 5 are adhered with rubber sheets 13, so that the friction between the right-angle limiting grooves and the circuit board is increased, and the connection is more stable.

[0024] The right-angle limiting groove one 4 and the right-angle limiting groove two 5 are provided with arc-shaped grooves 6 at right angles, and the inner wall of the right-angle limiting groove one 4 is provided with a clamping groove 7 at the lower end, so that the problem of interference between the edge resistors and capacitors and the components of the device-dense circuit board and the positioning device can be avoided.

[0025] ​The two sides of the right-angle limiting groove one 4 and the right-angle limiting groove two 5 are provided with positioning holes 8, the positioning holes 8 are threadedly connected with limiting pieces, the limiting pieces comprise two limiting screws 9 and a limiting plate 10, the limiting plate 10 is sleeved on the outer circumferential walls of the two limiting screws 9, the outer circumferential walls of the two limiting screws 9 are sleeved with springs 11, one end of the spring 11 is fixedly connected with the limiting plate 10 and the other end is fixedly connected with the end of the limiting screw 9, the limiting plate 10 is extruded by the spring 11 to make the anti-skid piece 12 abut against the circuit board, and the circuit board is limited.

[0026] The lower end surface of the limiting plate 10 is fixedly connected with the anti-skid piece 12, the anti-skid piece 12 is made of silica gel material, and the surface of the circuit board is protected from being scratched.

[0027] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and the person skilled in the art should include the protection scope of the utility model within the technical scheme range of the utility model to make the usual change and replacement.

Claims

1. A tin paste screen printing station positioning device, comprising a positioning member body (1), a sliding groove (2) is formed on the positioning member body (1), a positioning block (3) is integrally arranged on one side of the sliding groove (2) of the positioning member body (1), characterized in that: The positioning block (3) is provided with a right-angle limiting slot one (4) and a right-angle limiting slot two (5), the right-angle limiting slot one (4) and the right-angle limiting slot two (5) are arranged on the same side, and the length of the right-angle limiting slot one (4) is greater than that of the right-angle limiting slot two (5), The right-angle limiting slot one (4) and the right-angle limiting slot two (5) are provided with an arc-shaped slot (6) at the right-angle position, and the inner wall of the right-angle limiting slot one (4) is provided with a clamping slot (7) at the lower end.

2. The tin paste screen printing station positioning device of claim 1, wherein: The right-angle limiting slot one (4) and the right-angle limiting slot two (5) are provided with a positioning hole (8) on both sides, and the positioning hole (8) is threadedly connected with a limiting piece.

3. The tin paste screen printing station positioning device of claim 2, wherein: The limiting piece comprises two limiting screws (9) and a limiting plate (10), the limiting plate (10) is sleeved on the outer circumferential wall of the two limiting screws (9), the outer circumferential wall of the two limiting screws (9) is sleeved with a spring (11), one end of the spring (11) is fixedly connected with the limiting plate (10), and the other end is fixedly connected with the end of the limiting screw (9).

4. The tin paste screen printing station positioning device of claim 3, wherein: The lower end surface of the limiting plate (10) is fixedly connected with an anti-skid piece (12) made of silica gel.

5. The tin paste screen printing station positioning device of claim 1, wherein: The inner walls of the right-angle limiting slot one (4) and the right-angle limiting slot two (5) are adhered with rubber pieces (13).

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