A clamping tool for patch processing

Abstract

This utility model discloses a clamping fixture for surface mount technology (SMT) processing, comprising: a vertical clamping mechanism including a support plate, wherein two support plates are provided, and a guide frame, a threaded seat, and a positioning plate are fixedly arranged on one side of the support plate from top to bottom, respectively. A guide rod is movably arranged inside the guide frame. In use, by rotating the first screw and the first knob, the moving plate moves precisely up and down vertically along the guide rod. Simultaneously, the first and second connecting rods in the pressing assembly, through the action of the rotating seat and the sliding seat, can achieve uniform downward pressure on both sides of the SMT, ensuring the stability of the SMT in the vertical direction. This vertical clamping method greatly improves positioning accuracy and solves the problems of inaccurate positioning and unstable clamping caused by lateral peripheral clamping in the prior art. It is especially suitable for SMTs with varying heights, thereby improving the overall quality and efficiency of SMT processing.

Description

Technical Field

[0001] This utility model relates to the field of surface mount technology (SMT) processing, and in particular to a clamping fixture for SMT processing. Background Technology

[0002] Surface mount technology (SMT) is an electronic assembly technology that uses specialized equipment to accurately place surface mount components (such as resistors, capacitors, ICs, etc.) on designated locations on a printed circuit board (PCB) and fix them through processes such as reflow soldering, thereby achieving fast, high-density, and high-reliability circuit connections.

[0003] In the field of surface mount technology (SMT) manufacturing, existing clamping fixtures generally adopt a lateral peripheral clamping method. However, this method suffers from problems such as insufficient positioning accuracy, limited clamping range, and poor adaptability when dealing with surface mount electronic components of varying heights, resulting in unstable clamping. Meanwhile, designs for vertical clamping are still immature, and there is a lack of clamping fixtures that can effectively adapt to SMT components of different heights to meet the industry's urgent need for precise fixation and efficient production. Utility Model Content

[0004] One objective of this invention is to provide a clamping fixture for surface mount technology (SMT) assembly. This invention addresses the aforementioned issues in the SMT assembly field, where existing clamping fixtures generally employ a lateral peripheral clamping method. However, this method suffers from insufficient positioning accuracy, limited clamping range, and poor adaptability when dealing with surface mount electronic components of varying heights, leading to unstable clamping. Furthermore, designs for vertical clamping are still immature, lacking a clamping fixture that can effectively adapt to SMT components of different heights to meet the industry's urgent need for precise fixation and efficient production.

[0005] A clamping fixture for patch panel assembly according to an embodiment of the present invention includes:

[0006] A vertical clamping mechanism includes a support plate, of which two support plates are provided. A guide frame, a threaded seat, and a positioning plate are fixedly provided on one side of the support plate from top to bottom. A guide rod is movably provided inside the guide frame. A movable plate is fixedly provided at the bottom of the guide rod. A rotating seat and a sliding seat are symmetrically fixed at the bottom of the movable plate. The movable plate moves up and down through a rotating component and a threaded seat. A first slider is movably provided inside the sliding seat. A clamping amplitude adjustable pressing component is provided between the rotating seat and the sliding seat.

[0007] The adjustment mechanism, installed on the top of the processing table, is used to adjust the vertical clamping mechanism to clamp the patch laterally.

[0008] Preferably, there are two guide frames arranged symmetrically.

[0009] Preferably, the rotating assembly consists of a first screw and a first knob. The first screw is rotatably disposed inside the threaded seat and is rotatably disposed between the first screw and the moving plate. The first knob is fixedly disposed on the top of the first screw.

[0010] Preferably, the pressing assembly includes a first connecting rod and a second connecting rod. The first connecting rod is rotatably connected between the rotating seat and the first slider, and the second connecting rod is rotatably connected between the two first sliders. A rotating shaft is rotatably connected between the first connecting rod and the second connecting rod and the lower inner ends of the two second connecting rods. An extrusion plate is fixedly connected to the outer side of the rotating shaft.

[0011] Preferably, a limit buckle is fixedly provided on the outer side of the rotating shaft, and the limit buckle is arranged in a ring between the first and second connecting rods.

[0012] Preferably, the adjustment mechanism includes a base, a second screw is rotatably disposed on the top of the base, a second slider is threaded on the outer side of the second screw, and the second slider is fixedly disposed on the bottom of the support plate on the right side.

[0013] Preferably, a second knob is fixedly provided at one end of the second screw.

[0014] The beneficial effects of this utility model are:

[0015] This invention achieves high-precision clamping of surface mount components of varying heights during surface mount technology (SMT) processing through a vertical clamping mechanism. During operation, rotating the first screw and the first knob causes the moving plate to precisely rise and fall vertically along the guide rod. Simultaneously, the first and second connecting rods in the pressing assembly, through the action of the rotating and sliding seats, ensure uniform downward pressure on both sides of the component, guaranteeing its vertical stability. This vertical clamping method significantly improves positioning accuracy and solves the problems of inaccurate positioning and unstable clamping caused by lateral peripheral clamping in existing technologies. It is particularly suitable for surface mount components of varying heights, thereby improving the overall quality and efficiency of SMT processing.

[0016] This invention, through its adjustable mechanism, enables lateral adjustment of the vertical clamping mechanism, allowing the clamping fixture to adapt to patches of different sizes and shapes. During use, rotating the second screw and the second knob causes the second slider to move laterally along the second screw, thereby adjusting the support plate laterally. This achieves efficient adjustment of the patch's lateral position, effectively solving the problems of limited clamping range and poor adaptability in existing technologies. The clamping fixture can flexibly meet various patch processing needs, improving its versatility and significantly reducing adjustment time and production costs due to different patch sizes, thus meeting the industry's urgent need for precise fixing and efficient production. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a three-dimensional structural diagram of one side of a clamping fixture for patch manufacturing proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the second screw structure of a clamping fixture for patch manufacturing proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the clamping mechanism of a clamping fixture for patch panel processing proposed in this utility model.

[0021] Figure 4 This is a schematic diagram of the guide frame structure of a clamping fixture for patch manufacturing proposed in this utility model;

[0022] In the diagram: 1. Vertical clamping mechanism; 101. Support plate; 102. Guide frame; 103. Threaded seat; 104. Positioning plate; 105. Guide rod; 106. Moving plate; 107. First screw; 108. First knob; 109. Rotating seat; 110. Sliding seat; 111. First slider; 112. First connecting rod; 113. Second connecting rod; 114. Rotating shaft; 115. Pressing plate; 116. Limiting buckle; 2. Adjusting mechanism; 201. Base; 202. Second screw; 203. Second knob; 204. Second slider. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0024] refer to Figure 1-4 A clamping fixture for surface mount technology (SMT) assembly, comprising:

[0025] The vertical clamping mechanism 1 includes a support plate 101, of which two support plates 101 are provided. A guide frame 102, a threaded seat 103, and a positioning plate 104 are fixedly mounted on one side of each support plate 101 from top to bottom. A guide rod 105 is movably mounted inside the guide frame 102. A movable plate 106 is fixedly mounted at the bottom of the guide rod 105. A rotating seat 109 and a sliding seat 110 are symmetrically fixed at the bottom of the movable plate 106. The movable plate 106 moves up and down via a rotating assembly and the threaded seat 103. A first slider 111 is movably mounted inside the sliding seat 110. An adjustable clamping range pressing assembly is provided between the rotating seat 109 and the sliding seat 110. The pressing assembly includes a first connecting rod 112. A first connecting rod 112 is rotatably connected between the rotating seat 109 and the first slider 111, and a second connecting rod 113 is rotatably connected between the two first sliders 111. A rotating shaft 114 is rotatably connected between the first connecting rod 112, the second connecting rod 113, and the lower inner ends of the two second connecting rods 113. A pressing plate 115 is fixedly installed on the outer side of the rotating shaft 114. Inside the sliding seat 110, the first slider 111 can move along the track of the sliding seat 110. The rotating seat 109 and the first slider 111 are rotatably connected through the first connecting rod 112, and the two first sliders 111 are rotatably connected through the second connecting rod 113, forming a pressing assembly with adjustable clamping amplitude. The rotating shaft 114 connects the first connecting rod 112 and the second connecting rod 113 respectively, and a pressing plate 115 is fixed on its outer side. The function of the pressing plate 115 is to clamp the patch with uniform and adjustable vertical pressure. By rotating the first knob 108, the operator can control the lifting and lowering of the moving plate 106, thereby using the pressing component to stably and accurately clamp the patch, ensuring the positioning accuracy of the patch during the processing.

[0026] Adjustment mechanism 2, installed on the top of the processing table, is used to adjust the vertical clamping mechanism 1 to clamp the patch after lateral adjustment. Adjustment mechanism 2 includes base 201, with a second screw 202 rotatably mounted on the top of base 201. A second slider 204 is threaded on the outer side of the second screw 202. The second slider 204 is fixedly mounted on the bottom of the right support plate 101. By rotating the second screw 202, the second slider 204 moves along the thread, thereby driving the support plate 101 to move laterally, realizing the lateral adjustment of the vertical clamping mechanism 1. Therefore, this clamping mechanism can be precisely adjusted according to patches of different sizes and positions, improving the flexibility and accuracy of patch processing.

[0027] Example 1: The rotating assembly consists of a first screw 107 and a first knob 108. The first screw 107 is rotatably disposed inside the threaded seat 103 and is rotatably disposed between the first screw 107 and the moving plate 106. The first knob 108 is fixedly disposed on the top of the first screw 107. By rotating the first knob 108, the operator can drive the first screw 107 to rotate, thereby causing the moving plate 106 to rise and fall vertically along the guide rod 105, so as to achieve precise clamping of the patch. A limit buckle 116 is fixedly disposed on the outside of the rotating shaft 114. The limit buckle 116 passes through the first and second connecting rods 113 and is arranged in a ring. The limit buckle is used to limit the rotation angle of the extrusion plate.

[0028] Example 2: A second knob 203 is fixedly installed at one end of the second screw 202. By rotating the second knob, one of the support plates can be moved towards the other support plate, thus achieving the effect of lateral positioning.

[0029] Working principle: First, the vertical clamping mechanism 1 consists of two support plates 101. Each support plate 101 has a guide frame 102, a threaded seat 103, and a positioning plate 104 fixed sequentially on it. A guide rod 105 is movably disposed within the guide frame 102, and a movable plate 106 is fixed to its bottom. A rotating seat 109 and a sliding seat 110 are symmetrically fixed to the bottom of the movable plate 106. The movable plate 106 is connected to the threaded seat 103 via a rotating assembly (first screw 107 and first knob 108), achieving vertical lifting. To adjust the clamping height, the operator rotates the first knob 108 to drive the first screw 107 to rotate, causing the moving plate 106 to rise and fall vertically along the guide rod 105. The sliding seat 110 contains a first slider 111. The rotating seat 109 and the first slider 111 are rotatably connected via a first connecting rod 112. The two first sliders 111 are rotatably connected via a second connecting rod 113, forming a downward pressing assembly with adjustable clamping amplitude. The rotating shaft 114 connects the first connecting rod 112 and the second connecting rod 113. A rod 113 has a pressing plate 115 fixed to its outer side for uniform and adjustable vertical pressure clamping of the patch. A limiting buckle 116 is set on the outer side of the rotating shaft 114 to limit the rotation angle of the pressing plate and prevent excessive compression of the patch. Next, the adjustment mechanism 2 is installed on the top of the processing table, including a base 201, a second screw 202 and a second knob 203. The second screw 202 is rotatably set on the top of the base 201, and its outer side is threadedly engaged with a second slider 204. The second slider 204 is fixed to the bottom of the right support plate 101. By rotating the second knob 203, the second slider 204 moves along the thread of the second screw 202, driving the support plate 101 to move laterally, realizing the lateral adjustment of the vertical clamping mechanism 1. In summary, this clamping fixture, through the combined use of the vertical clamping mechanism 1 and the adjustment mechanism 2, can make precise vertical and lateral adjustments according to patches of different sizes and positions, ensuring the positioning accuracy of the patch during the processing, and improving the flexibility and efficiency of patch processing.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamping fixture for surface mount technology (SMT) assembly, characterized in that, include: A vertical clamping mechanism (1) includes a support plate (101), two support plates (101) are provided, a guide frame (102), a threaded seat (103) and a positioning plate (104) are fixedly provided on one side of the support plate (101) from top to bottom, a guide rod (105) is movably provided inside the guide frame (102), a movable plate (106) is fixedly provided at the bottom of the guide rod (105), a rotating seat (109) and a sliding seat (110) are symmetrically fixed at the bottom of the movable plate (106), the movable plate (106) moves up and down through a rotating component and the threaded seat (103), a first slider (111) is movably provided inside the sliding seat (110), and a clamping amplitude adjustable pressing component is provided between the rotating seat (109) and the sliding seat (110); Adjustment mechanism (2) is installed on the top of the processing table to adjust the vertical clamping mechanism (1) to clamp the patch after lateral adjustment.

2. The clamping fixture for Patch Panel Assembly according to claim 1, characterized in that, The guide frame (102) is symmetrically arranged in two parts.

3. The clamping fixture for surface mount technology (SMT) assembly according to claim 1, characterized in that, The rotating assembly consists of a first screw (107) and a first knob (108). The first screw (107) is rotatably disposed inside the threaded seat (103) and is rotatably disposed between the first screw (107) and the moving plate (106). The first knob (108) is fixedly disposed on the top of the first screw (107).

4. The clamping fixture for surface mount technology (SMT) assembly according to claim 1, characterized in that, The pressing assembly includes a first connecting rod (112) and a second connecting rod (113). The first connecting rod (112) is rotatably arranged between the rotating seat (109) and the first slider (111). The second connecting rod (113) is rotatably arranged between the two first sliders (111). A rotating shaft (114) is rotatably arranged between the first connecting rod (112) and the second connecting rod (113) and the lower inner end of the two second connecting rods (113). An extrusion plate (115) is fixedly arranged on the outer side of the rotating shaft (114).

5. The clamping fixture for patch panel assembly according to claim 4, characterized in that, A limiting buckle (116) is fixedly provided on the outer side of the rotating shaft (114), and the limiting buckle (116) is arranged in a ring between the first and second connecting rods (113).

6. The clamping fixture for surface mount technology (SMT) assembly according to claim 1, characterized in that, The adjustment mechanism (2) includes a base (201), a second screw (202) is rotatably provided on the top of the base (201), a second slider (204) is threaded on the outer side of the second screw (202), and the second slider (204) is fixedly provided on the bottom of the support plate (101) on the right side.

7. The clamping fixture for surface mount technology (SMT) assembly according to claim 6, characterized in that, A second knob (203) is fixedly provided at one end of the second screw (202).

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