Limiting device for dispensing glue on circuit board

Abstract

The utility model discloses a limit device for circuit board dispensing, which belongs to the technical field of circuit board production and processing and comprises a movable seat, a limit frame and two side plates, the limit frame and the two side plates are integrally formed, the two side plates are respectively mounted on two sides of the top of the limit frame, and the movable seat is slidably connected with the limit frame. Wherein one side plate is provided with a clamping structure, the clamping structure comprises a clamping plate and an adjusting screw rod movably connected with the clamping plate, an auxiliary limiting rod is further arranged between the clamping plate and the side plate, and a mounting groove is formed in the side plate; according to the utility model, the limiting frame with two open sides is arranged, the side plates are arranged on the limiting frame, the circuit board is clamped through the cooperation of the adjusting screw rods and the clamping plates, the clamping plates are pushed by the adjusting screw rods, the clamping force can be better controlled, the circuit board cannot be damaged, and the two sides of the limiting frame are open, so that a longer circuit board can be placed; and the use is not limited any more and is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit board production and processing technical field, concretely relates to a limiting device for circuit board point gum. BACKGROUND

[0002] Circuit board can be called printed wiring board or printed circuit board, circuit board makes circuit miniaturization, intuition, for the batch production and optimization of fixed circuit and the important role of electric appliance layout, PCB board in the production and processing process, usually need to point gum to the weak area on the PCB board, so that the welding point is completely surrounded, prevent the welding point loose and moisture insulation, point gum can improve the reliability of product.

[0003] In patent CN202223540394.9, the utility model discloses a limiting device for circuit board point gum, through placing the circuit board on the moving seat, then loosens the sliding block, under the action of the reset of the first elastic member, the fixed plate and the rubber block can be moved inwards to clamp the circuit board, the function of clamping circuit boards of different sizes is realized;However, the size of the limiting frame in the patent is relatively fixed, and the longer circuit board cannot be clamped, and the use is limited, and the limiting frame is installed on the moving seat through bolts, so that the position of the moving seat is not convenient to adjust. UTILITY MODEL CONTENTS

[0004] The utility model discloses a limiting device for circuit board point gum to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a limiting device for circuit board point gum, including moving seat and integrally formed limiting frame and two side plates, two side plates are installed on the top of limiting frame two sides respectively, the moving seat is slidably connected with the limiting frame, one of the side plates is provided with clamping structure, the clamping structure includes the clamping plate and the adjusting screw that is movably connected with the clamping plate, the clamping plate and the side plate are further provided with auxiliary limiting rod, the inside of the side plate is provided with installation groove, and the auxiliary limiting rod is fixed in the installation groove, and the part of auxiliary limiting rod in installation groove is provided with spring.

[0006] Preferably, the other two sides of the limiting frame are open.

[0007] Preferably, the bottom of the limiting frame is provided with the fixed plate on both sides, and the inner side of the two fixed plates is provided with the sliding block.

[0008] Preferably, the two side walls of the moving seat are provided with the sliding groove matched with the two sliding blocks, and the moving seat and the limiting frame are slidably connected through the sliding block and the sliding groove.

[0009] Preferably, the inside of the clamping plate is provided with a rotating groove for installing an adjusting screw rod, the end of the adjusting screw rod is provided with a rotating block, the rotating block is located in the rotating groove and can rotate in the rotating groove, and the diameter of the rotating block is greater than the diameter of the hole at the opening of the rotating groove.

[0010] Preferably, the outer diameter of the spring is slightly greater than the diameter of the mounting groove, and the spring is always located inside the mounting groove.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) The utility model discloses a limiting frame and a movable seat are provided as sliding connection, through the cooperation of the sliding block and the sliding groove, the limiting frame can slide on the movable seat, and the position of the circuit board on the limiting frame can be adjusted according to the different size and the dispensing position of the circuit board in the dispensing process.

[0013] (2) The utility model discloses a limiting frame and a movable seat are provided as sliding connection, through the cooperation of the sliding block and the sliding groove, the limiting frame can slide on the movable seat, and the position of the circuit board on the limiting frame can be adjusted according to the different size and the dispensing position of the circuit board in the dispensing process. ACCURATE DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a side sectional view of the limiting frame of the utility model;

[0016] Figure 3 It is a front view of the utility model;

[0017] Figure 4 It is Figure 1 A area enlarged view in;

[0018] Figure 5 It is Figure 2 B area enlarged view in.

[0019] In the drawing: 1 - movable seat;2 - clamping plate;3 - limiting frame;4 - side plate;5 - auxiliary limiting rod;6 - adjusting screw rod;7 - fixed plate;8 - sliding block;9 - sliding groove;10 - spring;11 - rotating groove;12 - rotating block. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Please refer to Figures 1-5 As shown in the accompanying drawings, the utility model provides technical scheme as follows: A kind of limiting device for circuit board dispensing, including mobile seat 1 and integrally-formed limiting frame 3 and two side plates 4, two side plates 4 are respectively installed in the top two sides of limiting frame 3, and the other two sides of limiting frame 3 are all open, mobile seat 1 is slidably connected with limiting frame 3, one of side plate 4 is provided with clamping structure, clamping structure includes clamping plate 2 and the adjusting screw 6 movably connected with clamping plate 2, adjusting screw 6 is screw-connected with side plate 4, auxiliary limiting rod 5 is further provided between clamping plate 2 and side plate 4, installation groove is opened in the inside of side plate 4, and auxiliary limiting rod 5 is fixed in installation groove, and the part of auxiliary limiting rod 5 in installation groove is sleeved with spring 10, the end of auxiliary limiting rod 5 is provided with limiting plate, limiting plate is arranged at the inside of spring 10, and the diameter of limiting plate is greater than the inner diameter of spring 10 port, to ensure that auxiliary limiting rod 5 does not separate from spring 10, guarantee that the two sides of clamping plate 2 are uniformly stressed, and clamping is more stable.

[0022] For the above, when using the limiting device for circuit board dispensing, first, mobile seat 1 is installed on dispensing equipment, circuit board is placed on limiting frame 3, adjusting screw 6 is rotated, auxiliary limiting rod 5 is moved to circuit board direction at the same time, so that clamping plate 2 is pushed to one side of circuit board, until circuit board is clamped tightly.

[0023] After circuit board is clamped, limiting frame 3 is pushed, so that limiting frame 3 is slid on mobile seat 1, to push circuit board on limiting frame 3 to the appropriate position of dispensing, more convenient to adjust.

[0024] Specifically, as shown in Figure 2 And Figure 3 As shown in the utility model, the bottom two sides of limiting frame 3 are provided with fixed plate 7, and the inside of two fixed plates 7 is provided with sliding block 8.

[0025] The two side walls of mobile seat 1 are provided with sliding groove 9 matched with two sliding blocks 8, and mobile seat 1 is slidably connected with limiting frame 3 through sliding block 8 and sliding groove 9.

[0026] In view of the above, when the limiting frame 3 is moved, the fixed plate 7 is pushed from both sides of the limiting frame 3, and then the sliding block 8 slides in the sliding groove 9, thereby driving the limiting frame 3 to move on the moving seat 1, so as to move the circuit board clamped on the limiting frame 3 to the use position, which is suitable for different circuit boards.

[0027] And the sliding block 8 is slid out of the sliding groove 9, and the limiting frame 3 can be removed.

[0028] Preferably, as shown in Figure 2 and Figure 5 In the utility model, the inside of the clamping plate 2 is provided with a rotating groove 11 for installing the adjusting screw 6, the end of the adjusting screw 6 is provided with a rotating block 12, the material of the rotating block 12 is relatively soft, so that the rotating block 12 can be placed in the rotating groove 11, the rotating block 12 is located in the rotating groove 11 and can rotate in the rotating groove 11, the diameter of the rotating block 12 is greater than the hole diameter of the opening of the rotating groove 11, when clamping, the adjusting screw 6 is rotated, the adjusting screw 6 rotates inward on the side plate 4, the rotating block 12 rotates in the rotating groove 11, thereby pushing the clamping plate 2 to one side of the circuit board and clamping the circuit board.

[0029] In addition, as shown in Figure 1 and Figure 4 In the utility model, the outer diameter of the spring 10 is slightly larger than the hole diameter of the installation groove, so that the spring 10 cannot come out of the installation groove, the normal use of the auxiliary limiting rod 5 is ensured, and the spring 10 is always located in the inside of the installation groove.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A limiting device for dispensing adhesive onto a circuit board, characterized in that: The utility model provides a mobile seat (1) and integral moulded limiting frame (3) and two side plates (4), two side plates (4) are installed respectively in the top two sides of limiting frame (3), mobile seat (1) is connected with limiting frame (3) slidingly, one of side plates (4) is provided with clamping structure, clamping structure includes clamping plate (2) and the adjusting screw rod (6) of being connected with clamping plate (2) movably, still be provided with auxiliary limiting rod (5) between clamping plate (2) and side plate (4), the inside of side plate (4) is seted up with installation groove, and auxiliary limiting rod (5) is fixed in installation groove, and the part of auxiliary limiting rod (5) in installation groove is covered with spring (10).

2. The limiting device for dispensing adhesive on a circuit board according to claim 1, wherein: The other two sides of the limiting frame (3) are open.

3. The limiting device for dispensing adhesive on a circuit board according to claim 1, wherein: The bottom of the limiting frame (3) is provided with a fixed plate (7) on both sides.

4. The limiting device for dispensing adhesive on a circuit board according to claim 3, wherein: The two sides of the mobile seat (1) are provided with a sliding groove (9) matched with the two sliding blocks (8).

5. The limiting device for dispensing adhesive on a circuit board according to claim 1, wherein: The inside of the clamping plate (2) is provided with a rotating groove (11) for installing the adjusting screw rod (6).

6. The limiting device for dispensing adhesive on a circuit board according to claim 1, wherein: The end of the adjusting screw rod (6) is provided with a rotating block (12) located in the rotating groove (11) and rotatable in the rotating groove (11). The diameter of the spring (10) is slightly larger than the hole diameter of the installation groove, and the spring (10) is always located inside the installation groove.

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