An adjustable circuit board clamp for solder paste printing

Abstract

This utility model relates to the field of circuit board clamping technology, specifically an adjustable circuit board clamp for solder paste printing. It includes two support plates, with a rectangular frame fixedly connected to the upper ends of the two support plates. The rectangular frame has an adjustment structure on its surface, comprising two clamping plates slidably connected to the side walls of the rectangular frame. Two sliding plates are slidably connected inside the rectangular frame, and two sliding strips are slidably connected inside the sliding plates. Two positioning strips are fixedly connected to the surfaces of the clamping plates. Two support blocks are fixedly connected to the upper surface of the rectangular frame, with pins slidably connected inside the support blocks. A row of insertion holes is formed on the surface of the sliding plates, and the size of the pins matches the size of the insertion holes. This utility model, by setting an adjustment structure, facilitates quick and precise adjustment of the clamping plate position through two adjustments, thereby improving the efficiency of clamping the circuit board to a certain extent.

Description

Technical Field

[0001] This utility model relates to the field of circuit board clamping technology, and in particular to an adjustable circuit board clamp for solder paste printing. Background Technology

[0002] Adjustable circuit board fixtures for solder paste printing are tooling devices adapted to circuit boards of different sizes and specifications. They can quickly and accurately fix and position circuit boards through structures such as sliding clamps, positioning posts or adjustment knobs.

[0003] Existing technologies often have the following drawbacks: during the clamping process of circuit boards, the circuit boards are often clamped vertically or horizontally. When it is necessary to switch between the two clamping methods, the operator often needs to drive the clamping plate for a longer period of time to achieve the clamping work at different positions of the circuit board, which increases the difficulty of clamping the circuit board.

[0004] Therefore, this utility model provides an adjustable circuit board clamp for solder paste printing. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies that make it inconvenient to quickly adjust and clamp circuit boards in the longitudinal and lateral directions, and to propose an adjustable circuit board clamp for solder paste printing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable circuit board fixture for solder paste printing, comprising two support plates, a rectangular frame fixedly connected to the upper end of the two support plates, an adjustment structure provided on the surface of the rectangular frame, the adjustment structure comprising two clamping plates slidably connected to the side wall of the rectangular frame, two sliding plates slidably connected inside the rectangular frame, two sliding strips slidably connected inside the sliding plates, two positioning strips fixedly connected to the surface of the clamping plates, two support blocks fixedly connected to the upper surface of the rectangular frame, pins slidably connected inside the support blocks, a row of insertion holes opened on the surface of the sliding plates, the size of the pins matching the size of the insertion holes.

[0007] The effect achieved by the above components is that by setting up an adjustment structure and adjusting the position of the clamping plate twice, the quick and accurate adjustment of the clamping plate position is facilitated, which improves the efficiency of clamping the circuit board to a certain extent.

[0008] Preferably, a stop block is fixedly connected to the end of the pin, and a spring is sleeved on the surface of the pin, with the two ends of the spring being fixedly connected to the support block and the stop block, respectively.

[0009] The effect achieved by the above components is that the spring returns to its original position, causing the pin to insert into the corresponding hole, thus fixing the slide plate.

[0010] Preferably, the skateboard is internally threaded with a drive rod, and the drive rod is internally rotatably connected to the clamping plate.

[0011] The effect achieved by the above components is that rotating the drive rod, because the drive rod is threadedly connected to the slide plate and rotatably connected to the clamping plate, will cause the clamping plate to slide along the slide bar.

[0012] Preferably, each of the two clamping plates has a slot on the side closest to each other, and the slot is a right-angled slot.

[0013] The effect achieved by the above components is that the sloping structure of the slot can accurately position the circuit board.

[0014] Preferably, the lower end of the support plate is provided with an auxiliary device, the auxiliary device including a first base plate fixedly connected to the lower ends of the two support plates, two positioning strips being slidably connected inside the first base plate, and a second base plate being fixedly connected to the lower ends of the two positioning strips.

[0015] The effect achieved by the above-mentioned components is that by setting up auxiliary devices, it is convenient to use the first base plate and the second base plate to clamp the fixture on the side of the worktable, which further improves the stability of subsequent operations after clamping the circuit board.

[0016] Preferably, the first base plate is internally threaded with a screw, and the screw is internally rotatably connected to the second base plate.

[0017] The effect achieved by the above components is that, by rotating the screw and guided by the positioning strip, the second base plate will move closer to the first base plate.

[0018] Preferably, a rubber pad is glued to the upper surface of the second base plate, and the upper surface of the rubber pad is provided with anti-slip texture.

[0019] The effect achieved by the above components is that the anti-slip texture on the rubber pad increases friction and prevents the clamp from slipping.

[0020] In summary:

[0021] 1. By setting an adjustment structure, the clamping plate position can be adjusted quickly and accurately through two adjustments, which improves the efficiency of clamping the circuit board to a certain extent.

[0022] 2. By setting an auxiliary device, the present invention facilitates the clamping of the fixture on the side of the worktable using the first base plate and the second base plate, thereby further improving the stability of subsequent operations after clamping the circuit board. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the adjustment structure in this utility model;

[0025] Figure 3 In this utility model Figure 2 Enlarged view of point A;

[0026] Figure 4 This is a schematic diagram of the auxiliary device in this utility model.

[0027] Legend: 1. Support plate; 2. Rectangular frame; 3. Adjustment structure; 31. Clamping plate; 32. Slide plate; 33. Drive rod; 34. Slide bar; 35. Slot; 36. Support block; 37. Pin; 38. Spring; 39. Stop block; 4. Auxiliary device; 41. First base plate; 42. Positioning bar; 43. Screw; 44. Rubber pad; 45. Anti-slip texture; 46. Second base plate. Detailed Implementation

[0028] Reference Figure 1 As shown, this utility model provides a technical solution: an adjustable circuit board fixture for solder paste printing, including two support plates 1, a rectangular frame 2 fixedly connected to the upper end of the two support plates 1, an adjustment structure 3 provided on the surface of the rectangular frame 2, and an auxiliary device 4 provided at the lower end of the support plates 1.

[0029] The specific settings and functions of its adjustment structure 3 and auxiliary device 4 will be discussed below.

[0030] Reference Figures 1-3As shown in this embodiment: the adjustment structure 3 includes two clamping plates 31 slidably connected to the side wall of the rectangular frame 2; two sliding plates 32 slidably connected inside the rectangular frame 2; two sliding strips 34 slidably connected inside the sliding plates 32; two positioning strips 42 fixedly connected to the surface of the clamping plates 31; two support blocks 36 fixedly connected to the upper surface of the rectangular frame 2; pins 37 slidably connected inside the support blocks 36; a row of insertion holes is formed on the surface of the sliding plates 32; the size of the pins 37 matches the size of the insertion holes. By setting the adjustment structure 3, the position of the clamping plates 31 can be adjusted quickly and accurately through two adjustments, which improves the efficiency of clamping the circuit board to a certain extent. A stop block 39 is fixedly connected to the end of the pin 37; a spring 38 is sleeved on the surface of the pin 37; the two ends of the spring 38 are fixedly connected to the support block 36 and the stop block 39, respectively. When the spring 38 returns to its original position, it drives the pin 37 to insert into the corresponding insertion hole, thus fixing the sliding plate 32. The sliding plate 32 has an internal threaded connection to a drive rod 33, which is rotatably connected to the clamping plate 31. Rotating the drive rod 33, due to its threaded connection to the sliding plate 32 and its rotatable connection to the clamping plate 31, causes the clamping plate 31 to slide along the slide bar 34. Each of the two clamping plates 31 has a slot 35 on its closest side; the slot 35 is a right-angle slot. The beveled structure of the slot 35 allows for precise positioning of the circuit board.

[0031] Reference Figure 1 and Figure 4 As shown, specifically, the auxiliary device 4 includes a first base plate 41 fixedly connected to the lower ends of the two support plates 1. Two positioning strips 42 are slidably connected inside the first base plate 41, and a second base plate 46 is fixedly connected to the lower ends of the two positioning strips 42. By setting up the auxiliary device 4, it is convenient to use the first base plate 41 and the second base plate 46 to clamp the fixture to the side of the worktable, further improving the stability of subsequent operations after clamping the circuit board. A screw 43 is threaded inside the first base plate 41, and the screw 43 is rotatably connected to the inside of the second base plate 46. Rotating the screw 43, guided by the positioning strips 42, causes the second base plate 46 to move closer to the first base plate 41. A rubber pad 44 is glued to the upper surface of the second base plate 46, and the upper surface of the rubber pad 44 is provided with anti-slip textures 45. The anti-slip textures 45 on the rubber pad 44 increase friction and prevent the fixture from slipping.

[0032] Working principle: When using this adjustable circuit board fixture for solder paste printing, the fixture is first fixed in a suitable position on the worktable by the auxiliary device 4. By rotating the screw 43, the second base plate 46 will move closer to the first base plate 41 under the guidance of the positioning strip 42. The clamping force of the two will stabilize the fixture on the side of the worktable. The anti-slip texture 45 on the rubber pad 44 can increase the friction and prevent the fixture from sliding. By setting the auxiliary device 4, it is convenient to use the first base plate 41 and the second base plate 46 to clamp the fixture on the side of the worktable, which further improves the stability of subsequent operations after clamping the circuit board.

[0033] Next, the circuit board is clamped. Pulling the stop 39 outward causes the pin 37 to disengage from the socket of the slide plate 32, stretching the spring 38 and pushing the slide plate 32 to slide within the rectangular frame 2, thus achieving initial position adjustment of the clamping plate 31. Releasing the stop 39 causes the spring 38 to reset, driving the pin 37 to insert into the corresponding socket, completing the fixation of the slide plate 32. Then, rotating the drive rod 33 causes the clamping plate 31 to slide along the slide bar 34 due to the threaded connection between the drive rod 33 and the slide plate 32 and the rotatable connection between the drive rod 33 and the clamping plate 31, achieving fine position adjustment of the clamping plate 31. The corner of the circuit board is placed into the slot 35 of the clamping plate 31. The inclined structure of the slot 35 can accurately position the circuit board, ensuring that the circuit board remains stable during solder paste printing and avoiding problems such as displacement, thus ensuring the smooth progress of the printing work. By setting the adjustment structure 3, the position of the clamping plate 31 is adjusted quickly and accurately through two adjustments, which improves the efficiency of clamping the circuit board to a certain extent.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. An adjustable circuit board clamp for solder paste printing, comprising two support plates (1), characterized in that: A rectangular frame (2) is fixedly connected to the upper end of the two support plates (1). The surface of the rectangular frame (2) is provided with an adjustment structure (3). The adjustment structure (3) includes two clamps (31) slidably connected to the side wall of the rectangular frame (2). Two sliding plates (32) are slidably connected inside the rectangular frame (2). Two sliding strips (34) are slidably connected inside the sliding plates (32). The two positioning strips (42) are fixedly connected to the surface of the clamps (31). Two support blocks (36) are fixedly connected to the upper surface of the rectangular frame (2). A pin (37) is slidably connected inside the support blocks (36). A row of insertion holes is opened on the surface of the sliding plate (32). The size of the pin (37) is adapted to the size of the insertion hole.

2. The adjustable circuit board clamp for solder paste printing according to claim 1, wherein: A stop (39) is fixedly connected to the end of the pin (37), and a spring (38) is sleeved on the surface of the pin (37). The two ends of the spring (38) are fixedly connected to the support block (36) and the stop (39) respectively.

3. The adjustable circuit board clamp for solder paste printing of claim 1, wherein: The internal thread of the slide plate (32) is connected to a drive rod (33), and the drive rod (33) is rotatably connected to the internal clamping plate (31).

4. The adjustable circuit board clamp for solder paste printing of claim 1, wherein: Each of the two clamping plates (31) has a slot (35) on one side that is close to each other. The slot (35) is a right-angle slot.

5. The adjustable circuit board clamp for solder paste printing of claim 1, wherein: The lower end of the support plate (1) is provided with an auxiliary device (4). The auxiliary device (4) includes a first base plate (41) fixedly connected to the lower end of the two support plates (1). The interior of the first base plate (41) is slidably connected with two positioning strips (42). The lower ends of the two positioning strips (42) are fixedly connected with a second base plate (46).

6. The adjustable circuit board clamp for solder paste printing of claim 5, wherein: The first base plate (41) is internally threaded with a screw (43), and the screw (43) is internally rotatably connected to the second base plate (46).

7. The adjustable circuit board clamp for solder paste printing of claim 5, wherein: The upper surface of the second base plate (46) is glued with a rubber pad (44), and the upper surface of the rubber pad (44) is provided with anti-slip texture (45).

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