Positioning jig for processing power adapter

Abstract

The utility model relates to the technical field of power adapter processing and positioning, in particular to a positioning jig for processing a power adapter, and adopts the technical scheme that the positioning jig comprises a placing plate and a positioning adjusting box, a first mounting cavity and a second mounting cavity are formed in the upper end of the placing plate, and a first screw rod is rotationally mounted in the first mounting cavity; a first screw rod is rotationally installed in the first installation cavity, first movable blocks which are symmetrically distributed are installed on the first screw rod in a threaded mode, a fixing plate is installed at the upper ends of the first movable blocks, a second screw rod is rotationally installed in the second installation cavity, second movable blocks which are symmetrically distributed are installed on the second screw rod in a threaded mode, and the positioning adjusting box is installed at the upper ends of the second movable blocks; and a second movable opening is formed in the upper end of the positioning adjusting box, a third screw rod is rotationally installed in the positioning adjusting box, a third movable block is installed on the third screw rod in a threaded mode, and a rectangular sleeve block is installed at the upper end of the third movable block. The welding fixture has the advantages that the power adapters with different sizes can be positioned, and the welding work of a PCB (Printed Circuit Board) is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of power adapter processing positioning, in particular to a positioning fixture for power adapter processing. Background Technique

[0002] A power adapter is an external device that converts alternating current into direct current and is used to provide stable power supply for various electronic devices such as laptop computers, mobile phones, tablet computers, routers, monitors, etc. Its main function is to provide a stable voltage and current to ensure that the device can work properly and avoid device damage caused by power fluctuations.

[0003] In the processing of power adapters, in order to ensure the precise position of the power adapter during the processing, a positioning fixture needs to be used for positioning. At present, the power adapter positioning fixture mainly positions its housing and PCB board, but it cannot position the small components on the PCB board during PCB board welding, and the positioning fixture has poor adjustability and cannot be adapted to the positioning and processing work of power adapters of different sizes. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning fixture for power adapter processing, which has the advantages of being able to position power adapters of different sizes and facilitating PCB board welding work, and solves the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning fixture for power adapter processing, including a placement plate and a positioning adjustment box. A first installation cavity and a second installation cavity are provided at the upper end of the placement plate. A first screw rod is rotatably installed in the first installation cavity, and symmetrically distributed first movable blocks are threadedly installed on the first screw rod. A fixed plate is installed at the upper end of the first movable block. A second screw rod is rotatably installed in the second installation cavity, and symmetrically distributed second movable blocks are threadedly installed on the second screw rod. The positioning adjustment box is installed at the upper end of the second movable block. A second movable opening is provided at the upper end of the positioning adjustment box. A third screw rod is rotatably installed in the positioning adjustment box, and a third movable block is threadedly installed on the third screw rod. A rectangular sleeve block is installed at the upper end of the third movable block, and an adjustment rod is movably sleeved in the rectangular sleeve block.

[0006] When using the positioning fixture for power adapter processing of the utility model,

[0007] When processing the power adapter, place its housing or PCB board at the center of the upper end of the placement plate. By operating the first driving device, the fixing plates can be made to approach each other. By operating the second driving device, the positioning and adjusting boxes can be made to approach each other. The power adapter can be clamped and positioned by the two fixing plates and the two positioning and adjusting boxes, preventing it from moving during processing. When welding the PCB board, operate the third driving device to adjust the front - rear position of the positioning plate, and then manually adjust the adjusting rod to change the left - right position of the positioning plate, so that the positioning plate is located above the small components or SMT patches. By operating the electric push rod, the positioning plate can be lowered to position it, facilitating the PCB board welding work.

[0008] Preferably, the first installation cavity and the second installation cavity are distributed in a cross shape, the second installation cavity is located below the first installation cavity, and the intersection of the first installation cavity and the second installation cavity is connected.

[0009] Preferably, a first movable opening communicating with the first installation cavity and the second installation cavity is provided on the placement plate.

[0010] Preferably, a first driving device is installed at the rear end of the placement plate, and the main shaft of the first driving device is connected to the axis of the first screw. A second driving device is provided at the side end of the placement plate, and the main shaft of the second driving device is connected to the axis of the second screw.

[0011] Preferably, both the first screw and the second screw are provided with symmetrically distributed right - hand threads and left - hand threads.

[0012] Preferably, an installation plate is installed at the end of the adjusting rod, an electric push rod is installed at the upper end of the installation plate, and the movable rod of the electric push rod extends below the installation plate and is installed with a positioning plate.

[0013] Preferably, a third driving device is installed at the side end of the positioning and adjusting box, and the main shaft of the third driving device is connected to the axis of the third screw.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: When processing the power adapter, place its housing or PCB board at the center of the upper end of the placement plate. Clamp and position it through two fixing plates and two positioning and adjusting boxes. It is adjusted through a lead - screw structure, and the adjustment range is large, which can adapt to the positioning work of power adapters of different sizes. When welding the PCB board, the position of the positioning plate can also be adjusted, and the SMT patches and small components can be positioned by lowering the positioning plate, facilitating the PCB board welding work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the present utility model;

[0016] Figure 2 is the front - view structural schematic diagram of the present utility model;

[0017] Figure 3 is a partial sectional structural view of the present utility model;

[0018] Figure 4 is a sectional structural view of the present utility model;

[0019] Figure 5 is a sectional structural view of the present utility model when viewed from above.

[0020] The reference numerals and names in the figure are as follows:

[0021] 101, placing plate; 102, first installation cavity; 103, first screw rod; 104, first movable block; 105, first driving device; 106, second installation cavity; 107, second screw rod; 108, second movable block; 109, second driving device; 110, fixing plate; 201, positioning and adjusting box; 202, third screw rod; 203, third driving device; 204, third movable block; 205, rectangular sleeve block; 206, adjusting rod; 207, installation plate; 208, electric push rod; 209, positioning plate. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1 to 5 , an embodiment provided by the present utility model: a positioning jig for power adapter processing, including:

[0025] A placement plate 101 and a positioning and adjusting box 201 are provided. A first installation cavity 102 and a second installation cavity 106 are arranged at the upper end of the placement plate 101. A first screw rod 103 is rotatably installed in the first installation cavity 102. Symmetrically distributed first movable blocks 104 are threadedly installed on the first screw rod 103. A fixing plate 110 is installed at the upper end of the first movable block 104. A second screw rod 107 is rotatably installed in the second installation cavity 106. Symmetrically distributed second movable blocks 108 are threadedly installed on the second screw rod 107. The positioning and adjusting box 201 is installed at the upper end of the second movable block 108. A second movable opening is formed at the upper end of the positioning and adjusting box 201. A third screw rod 202 is rotatably installed in the positioning and adjusting box 201. A third movable block 204 is threadedly installed on the third screw rod 202. A rectangular sleeve block 205 is installed at the upper end of the third movable block 204. An adjusting rod 206 is movably sleeved in the rectangular sleeve block 205.

[0026] In this embodiment, when processing the power adapter, its housing or PCB board is placed at the center of the upper end of the placement plate 101. By the operation of the first driving device 105, the fixing plates 110 can be made to approach each other. By the operation of the second driving device 109, the positioning and adjusting boxes 201 can be made to approach each other. The power adapter can be clamped and positioned by the two fixing plates 110 and the two positioning and adjusting boxes 201, and its movement can be prevented during processing. When welding the PCB board, the front and rear positions of the positioning plate 209 are adjusted by the operation of the third driving device, and then the left and right positions of the positioning plate 209 are manually adjusted by changing the adjusting rod 206, so that the positioning plate 209 is located above the small components or patches. By the operation of the electric push rod 208, the positioning plate 209 can be lowered to position it, which can facilitate the welding work of the PCB board.

[0027] Further, the first installation cavity 102 and the second installation cavity 106 are cross - distributed. The second installation cavity 106 is located below the first installation cavity 102, and the intersection of the first installation cavity 102 and the second installation cavity 106 is communicated.

[0028] Further, a first movable opening communicating with the first installation cavity 102 and the second installation cavity 106 is formed on the placement plate 101. The setting of the first movable opening can facilitate the movement of the fixing plate 110 and the positioning and adjusting box 201.

[0029] Further, a first driving device 105 is installed at the rear end of the placement plate 101. The main shaft of the first driving device 105 is connected to the axis of the first screw rod 103. A second driving device 109 is arranged at the side end of the placement plate 101. The main shaft of the second driving device 109 is connected to the axis of the second screw rod 107. The operation of the first driving device 105 and the second driving device 109 can make the first screw rod 103 and the second screw rod 107 rotate clockwise or counterclockwise.

[0030] Further, symmetrically distributed right-handed threads and left-handed threads are provided on both the first screw rod 103 and the second screw rod 107.

[0031] Further, an installation plate 207 is installed at the end of the adjusting rod 206, an electric push rod 208 is installed at the upper end of the installation plate 207, and a positioning plate 209 is installed at the lower end of the movable rod of the electric push rod 208 extending below the installation plate 207.

[0032] Further, a third driving device 203 is installed at the side end of the positioning and adjusting box 201, and the main shaft of the third driving device 203 is connected to the axis of the third screw rod 202. The operation of the third driving device 203 can rotate the third screw rod 202 clockwise or counterclockwise.

[0033] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A positioning jig for processing a power adapter, comprising a placement plate (101) and a positioning adjustment box (201), characterized in that: The upper end of the placement plate (101) is provided with a first installation cavity (102) and a second installation cavity (106); a first screw rod (103) is rotatably installed in the first installation cavity (102); first movable blocks (104) are symmetrically arranged and threadedly installed on the first screw rod (103); a fixed plate (110) is installed on the upper end of the first movable block (104); a second screw rod (107) is rotatably installed in the second installation cavity (106); first movable blocks (104) are symmetrically arranged and threadedly installed on the second screw rod (107); The second movable block (108) of the cloth is provided, the positioning and adjusting box (201) is installed at the upper end of the second movable block (108), the upper end of the positioning and adjusting box (201) is provided with a second movable opening, a third screw rod (202) is rotatably installed in the positioning and adjusting box (201), a third movable block (204) is threadedly installed on the third screw rod (202), a rectangular sleeve block (205) is installed at the upper end of the third movable block (204), and an adjusting rod (206) is movably sleeved in the rectangular sleeve block (205).

2. The positioning fixture for processing a power adapter according to claim 1, characterized in that: The first installation cavity (102) and the second installation cavity (106) are distributed in a cross shape, the second installation cavity (106) is located below the first installation cavity (102), and the first installation cavity (102) and the second installation cavity (106) are connected at the intersection.

3. The positioning fixture for processing a power adapter according to claim 1, characterized in that: The placement plate (101) is provided with a first movable opening which is in communication with the first installation cavity (102) and the second installation cavity (106).

4. The positioning fixture for processing a power adapter according to claim 1, characterized in that: A first driving device (105) is installed at the rear end of the placement plate (101), and the main shaft of the first driving device (105) is connected to the axis of the first screw (103). A second driving device (109) is arranged at the side end of the placement plate (101), and the main shaft of the second driving device (109) is connected to the axis of the second screw (107).

5. The positioning fixture for processing a power adapter according to claim 1, characterized in that: The first screw (103) and the second screw (107) are both provided with positive threads and negative threads which are symmetrically distributed.

6. The positioning jig for processing a power adapter according to claim 1, characterized in that: A mounting plate (207) is installed at the end of the adjusting rod (206), an electric push rod (208) is installed at the upper end of the mounting plate (207), and a movable rod of the electric push rod (208) extends to the bottom of the mounting plate (207) and a positioning plate (209) is installed.

7. The positioning fixture for processing a power adapter according to claim 1, characterized in that: A third driving device (203) is installed at the side end of the positioning and adjusting box (201), and the main shaft of the third driving device (203) is connected to the axis of the third screw rod (202).

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