Fixing jig for welding probe connector
By introducing a rotating clamp structure into the welding fixture, adjusting the angle of the clip according to the PCB thickness, the problem of difficulty in adapting to PCBs in the prior art is solved, and a more stable and flexible welding process is achieved.
Patent Information
- Application Number
- CN202421783886.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing welding fixtures are difficult to adapt to PCBs of different specifications, especially when the thickness of the PCB is large, it is difficult to ensure the stability during welding.
A fixed fixture for welding probe connectors is designed, and a rotating clamp structure is adopted. The rotating clamp rotates around the base through a fixed shaft and locks itself through friction. The angle of the rotating clamp is adjusted according to the thickness of the PCB to be welded to ensure that the clip can effectively resist the PCB.
The design can be adapted to different specifications of PCBs, reducing the possibility of excessive pressurization, and improving stability and flexibility during welding.
Smart Images
Figure CN222919755U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of welding machine auxiliary tools, and in particular relates to a fixing fixture used for welding a probe connector. Background Art
[0002] The probe cable assembly refers to a cable assembly used to connect sensors and measuring instruments in electronic devices, and can be used to measure various parameters. At present, the probe cable assembly includes a connector and a PCB, wherein the connector is used to connect the probe cable to the measuring instrument to effectively transmit the signal, power or data in the probe cable to the target device and ensure the stability and reliability of the connection, while the PCB, as a carrier of the circuit, can ensure efficient transmission of the signal in the probe cable assembly after being welded with the connector. In the production process, welding is required to achieve a stable connection between the connector and the PCB. The connector and the PCB can be welded using a welding machine, which firmly connects the pins of the connector to the pads of the PCB board.
[0003] In the related art, the welding machine usually includes a fixing fixture, which includes a base, a positioning groove for placing the PCB board is opened on the base, and a spring clip is arranged on the base. During the welding process, after the PCB is placed in the positioning groove, the spring clip abuts against the surface of the PCB, and the spring clip is tightly attached to the PCB through the elastic force to fix the PCB in the positioning groove, thereby ensuring the stability of the PCB during the welding process and improving the welding effect.
[0004] However, the spring clip has a limited range of movement, and existing fixing fixtures are difficult to adapt to PCBs of different specifications. When the actual thickness of the PCB boards varies, the positioning clips may over-squeeze the PCBs or may be difficult to press against the PCBs, and the fixing fixtures may be difficult to ensure stability during welding. Utility Model Content
[0005] In order to solve the shortcomings of the prior art, the utility model provides a fixing fixture for welding a probe connector. The rotating clamp rotates relative to the base and presses the PCB to be welded to press the PCB to be welded. The fixing part adjusts the rotation amplitude according to the thickness of the PCB to be welded, which is conducive to adapting to PCB boards of different specifications and improving the convenience and flexibility of use.
[0006] The technical effects to be achieved by the utility model are achieved through the following technical aspects:
[0007] The utility model discloses a fixing jig for welding a probe connector, comprising a base, provided with a positioning groove and a receiving groove, wherein a PCB to be welded is placed in the positioning groove, and the receiving groove is located at one side of the positioning groove and is communicated with the positioning groove; and a rotating clamp, through which a fixed shaft is passed, the fixed shaft is arranged in the receiving groove, and a connecting piece for fixing the fixed shaft is arranged between the rotating clamp and the base, the rotating clamp rotates around the fixed shaft to enter or move away from the positioning groove, and is locked with the fixed shaft by friction.
[0008] In some implementations, the space in the positioning groove extends toward the interior of the base, a shallow groove area and a deep groove area are formed in the positioning groove, and a groove opening of the positioning groove in the shallow groove area is larger than a groove opening of the positioning groove in the deep groove area.
[0009] In some implementations, the base is provided with a side groove at an edge of the notch of the positioning groove.
[0010] In some implementations, the depth of the deep groove region is 5 to 8 mm, and the depth of the shallow groove region is 0.5 to 3 mm.
[0011] In some implementations, the rotating clamp includes a clamping piece and a toggle portion, the clamping piece presses against the PCB to be soldered, and the toggle end is in the shape of an arc-shaped convex block and protrudes outward from the clamping piece.
[0012] In some implementations, the clip includes a thickened section and a pressing section, the toggle portion is located on the thickened section, and the pressing section presses the PCB to be soldered.
[0013] In some implementations, the rotating clamp includes a connecting portion, which is in the shape of an arc-shaped convex strip, protrudes outward from the thickened section, and is arranged opposite to the toggle portion, and the fixed shaft passes through the connecting portion.
[0014] In some implementations, a bottom wall of the positioning groove is provided with an anti-slip strip.
[0015] In some implementations, a mounting groove is formed on a side of the base away from the notch of the positioning groove.
[0016] In some implementations, the connecting member is a fixing screw, and the fixing screw passes through the fixing shaft and the base in sequence.
[0017] In summary, the utility model has at least the following benefits:
[0018] The utility model provides a fixing fixture for welding a probe connector. Before welding, the rotating clamp is rotated to place the PCB to be welded in the positioning groove, and then the rotating clamp is rotated back to its original position. The rotating clamp is self-locking through friction. The rotating clamp adjusts the rotation angle according to the thickness of the PCB to be welded, and can always press against the surface of the PCB to be welded, and can reduce the situation of excessive pressure on the PCB to be welded. The PCB to be welded is positioned and fixed, which is conducive to ensuring stability during welding. Compared with the traditional spring clip clamp, the rotating clamp rotates around the fixed axis to adjust to a suitable pressing angle, which can increase the adjustment range, so that the fixing fixture can adapt to PCBs of different specifications, and improve the convenience and flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 The present invention is a schematic diagram of the overall structure of a fixing fixture for welding a probe connector according to a specific embodiment of the present invention.
[0020] Figure 2 The present invention is a structural schematic diagram of a fixing fixture for welding a probe connector after a connecting piece is hidden in a specific embodiment of the utility model.
[0021] Figure 3 It is a structural schematic diagram of a rotating clamp according to a specific embodiment of the utility model.
[0022] Figure 4 This is a schematic diagram of the overall structure of a fixing fixture for welding a probe connector according to Example 3 of the utility model.
[0023] Figure 5 for Figure 4 Schematic diagram of the structure from another angle.
[0024] Markings in the figure:
[0025] 1. Base; 11. Positioning groove; 111. Shallow groove area; 112. Deep groove area; 113. First positioning surface; 114. Second positioning surface; 115. Third positioning surface; 12. Accommodating groove; 13. Anti-slip strip; 14. Assembly groove; 15. Side groove; 16. Avoidance groove;
[0026] 2. Rotating clamp; 21. Fixed shaft; 22. Connecting piece; 221. Fixing screw; 23. Clip; 231. Thickened section; 232. Pressing section; 24. Driving section; 25. Connecting section. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. The described implementation is a part of the implementation of the utility model, not all of the implementations.
[0028] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts fall within the scope of protection of the present utility model.
[0029] Embodiment 1:
[0030] Please refer to the attached Figure 1 and Figure 2 , a fixing jig for probe connector welding of the present utility model includes a base 1 and a rotating clamp 2. The rotating clamp 2 is rotatably arranged on the base 1 to cooperate with positioning the PCB to be welded, and is applicable to a welding machine as an auxiliary tool.
[0031] Among them, the base 1 is specifically a horizontally arranged plate. A positioning groove 11 is formed on the base 1. The positioning groove 11 is specifically a vertically opened rectangular groove, and the positioning groove 11 is adapted to the PCB to be welded. When the PCB to be welded is placed in the positioning groove 11, the positioning groove 11 can play a certain positioning role for the PCB. A receiving groove 12 is formed on the base 1. The receiving groove 12 is located on one side of the positioning groove 11. The receiving groove 12 is specifically a vertically opened groove, and the receiving groove 12 communicates with the positioning groove 11.
[0032] A rotating clamp 2 is rotatably arranged on the base 1. The rotating clamp 2 is specifically a horizontally arranged sheet. The rotating clamp 2 is located in the receiving groove 12 and the positioning groove 11. A fixing shaft 21 is penetrated through the rotating clamp 2. Specifically, the fixing shaft 21 is a horizontally arranged round rod and is located in the receiving groove 12. The rotating clamp 2 rotates around the fixing shaft 21 to enter or leave the positioning groove 11, thereby pressing or loosening the PCB to be welded. The fixing shaft 21 and the rotating clamp 2 achieve self-locking through friction. In some specific embodiments shown, an anti-slip pad can be arranged on the outer wall of the fixing shaft 21 to increase the friction between the fixing shaft 21 and the rotating clamp 2, so that the rotating clamp 2 is locked after rotating relative to the fixing shaft 21 under the action of an external force. The structure is simple and easy to operate.
[0033] A connecting member 22 is arranged between the fixing shaft 21 and the base 1. In a preferred embodiment, the connecting member 22 is a fixing screw 221. The threaded end of the fixing screw 221 penetrates through the fixing shaft 21 and the base 1 to fix the fixing shaft 21 in the receiving groove 12. The fixing shaft 21 is detachably connected to the base 1 through the connecting member 22. When the fixing shaft 21 or the rotating clamp 2 is damaged, it can be conveniently replaced, and the connecting member 22 can cooperate with the rotating clamp 2 to adjust the fastening degree of the connection between the fixing shaft 21 and the base 1 according to the thickness of the PCB to be welded.
[0034] When the probe connector is welded, the PCB to be welded is placed in the receiving groove 12, and then the rotating clamp 2 is rotated, and the rotating clamp 2 presses the PCB board. By adjusting the angle of the rotating clamp 2, it can be applied to PCBs of different thicknesses. Compared with the traditional spring clip clamp, the adaptability of the fixing fixture and the PCB to be welded can be improved. When the PCB to be welded is thicker, the rotating clamp 2 rotates in the direction away from the positioning groove 11; when the PCB to be welded is thinner, the rotating clamp 2 rotates in the direction close to the positioning groove 11, so that the rotating clamp 2 can always press against the PCB to be welded, and ensure that the rotating clamp 2 is not too close to the surface of the PCB to be welded, reducing the possibility of damage to the PCB board due to extrusion. The setting of the rotating clamp 2 is conducive to improving the convenience and flexibility of use.
[0035] Embodiment 2:
[0036] The difference between this embodiment and embodiment 1 is that, see Figure 2 and Figure 3 , the space in the positioning groove 11 of this embodiment extends vertically toward the inside of the base 1, and the space in the positioning groove 11 forms a shallow groove area 111 and a deep groove area 112, wherein the notch of the positioning groove 11 in the shallow groove area 111 is larger than the notch of the deep groove area 112. In a preferred embodiment, the depth of the deep groove area 111 is 5 to 8 mm, and the shallow groove area is the distance between the first positioning surface 113 and the second positioning surface 114. Specifically, the depth of the deep groove area 112 can be 5 mm, 6 mm, 6.5 mm, 7 mm, 8 mm, etc. The depth of the shallow groove area 111 is 0.5 to 4 mm, and the shallow groove area is the distance between the first positioning surface 113 and the third positioning surface 115. Specifically, the depth of the shallow groove area 111 can be 0.5 mm, 1 mm, 2 mm, 3 mm, 4 mm, etc. When the probe connector is soldered, if the PCB to be soldered is thicker, the PCB to be soldered can be placed in the deep groove area 112, and if the PCB to be soldered is thinner, the PCB to be soldered can be placed in the shallow groove area 111. The setting of the shallow groove area 111 and the deep groove area 112 is conducive to further adapting to PCB boards of different thicknesses.
[0037] In a preferred embodiment, the rotating clamp 2 includes a clamp 23 and a toggle portion 24, wherein the clamp 23 is specifically a horizontally arranged sheet to press against the PCB to be soldered placed in the positioning groove 11, and the toggle portion 24 is specifically protruding from the clamp 23 to form an arc-shaped convex block extending toward the notch of the receiving groove 12. The setting of the toggle portion 24 is conducive to the operator to toggle and rotate the rotating sheet, thereby improving the convenience of use. Further, the clamp 23 includes a thickened section 231 and a pressing section 232, and the thickened section 231 and the pressing section 232 are distributed in the horizontal direction. The toggle portion 24 is located on the thickened section 231, and the pressing section 232 presses against the PCB to be soldered. The setting of the thickened section 231 is conducive to improving the structural strength of the clamp 23, so as to extend the service life of the rotating clamp 2.
[0038] In a preferred embodiment, the rotating clamp 2 includes a connecting portion 25, which is in the shape of an arc-shaped convex strip and protrudes outward from the thickened section 231. The connecting portion 25 is arranged opposite to the toggle portion 24, and the fixed shaft 21 is passed through the connecting portion 25. When the rotating clamp 2 rotates, the arc-shaped outer wall of the connecting portion 25 is slidably connected with the inner wall of the corresponding side of the receiving groove 12, which is conducive to improving the smoothness of the rotation of the rotating clamp 2. In some specific embodiments shown, a certain height difference is formed between the raised end of the connecting portion 25 and the bottom surface of the pressing section 232, and the range of the height difference is 2 to 6 mm. Specifically, the height difference between the raised end of the connecting portion 25 and the bottom surface of the pressing section 232 can be 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, etc., which is conducive to the rotating clamp 2 to be adapted to the PCB to be soldered after rotation.
[0039] Embodiment 3:
[0040] The difference between this embodiment and the above embodiment is that, see Figure 4 and Figure 5 In this embodiment, the bottom wall of the base 1 in the positioning groove 11 and the side of the rotating clip 2 close to the positioning groove 11 are both provided with anti-slip strips 13. The anti-slip strips 13 are preferably, but not limited to, rubber strips or silicone strips. In some specific embodiments shown, a plurality of anti-slip strips 13 are provided, and the plurality of anti-slip strips 13 are respectively distributed on the base 1 and the rotating clip 2 at intervals. When the space in the positioning groove 11 is large, the PCB to be welded is placed in the positioning groove 11, and there is a small gap between the edge of the PCB to be welded and the groove wall of the positioning groove 11. The provision of the anti-slip strips 13 is conducive to reducing the situation where the PCB to be welded moves randomly, and improving the stability of the PCB when the probe connector is welded, so as to ensure the welding effect.
[0041] In a preferred embodiment, a clearance groove is provided on the base 1, and specifically, the clearance groove is a long strip groove, which can be used to accommodate the device on the PCB to be soldered. A side groove 15 is provided at the notch of the positioning groove 11, and specifically, the side groove 15 is a straight notch, which is convenient for the operator to place and take out the PCB to be soldered, thereby improving the convenience of use.
[0042] In a preferred embodiment, an assembly groove 14 is provided on one side of the base 1 away from the positioning groove 11. Specifically, the assembly groove 14 is a rectangular groove. The base 1 is positioned in cooperation with the welding machine at the assembly groove 14. The welding machine can be provided with a positioning block adapted to the assembly groove 14. When welding, the base 1 is placed on the positioning block, and the positioning groove 11 and the positioning block are mutually engaged. The base 1 is positioned, which is beneficial to improve the accuracy of welding.
[0043] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0044] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is customarily placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0045] In addition, terms such as "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but may be slightly inclined.
[0046] In the present utility model, unless otherwise clearly specified and defined, the first feature being above or below the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being above, over and on the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being below, under and beneath the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.
[0047] Although the description of the present utility model is made in combination with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above content. Therefore, all such substitutions, improvements and changes are included within the spirit and scope of the appended claims.
Claims
1. A fixing fixture for welding a probe connector, characterized in that: include A base (1) is provided with a positioning groove (11) and a receiving groove (12), wherein a PCB to be soldered is placed in the positioning groove (11), and the receiving groove (12) is located on one side of the positioning groove (11) and is in communication with the positioning groove (11); and The rotating clamp (2) is provided with a fixed shaft (21), the fixed shaft (21) is arranged in the receiving groove (12), and a connecting piece (22) for fixing the fixed shaft (21) is arranged between the rotating clamp (2) and the base (1), and the rotating clamp (2) rotates around the fixed shaft (21) to enter or move away from the positioning groove (11), and is locked with the fixed shaft (21) by friction.
2. The fixing fixture for probe connector welding according to claim 1, characterized in that: The space in the positioning groove (11) extends toward the interior of the base (1), and a shallow groove area (111) and a deep groove area (112) are formed in the positioning groove (11), and the groove opening of the positioning groove (11) in the shallow groove area (111) is larger than the groove opening of the positioning groove (11) in the deep groove area (112).
3. The fixing fixture for probe connector welding according to claim 1 or 2, characterized in that: The base (1) is provided with a side groove (15) at the edge of the notch of the positioning groove (11).
4. The fixing fixture for probe connector welding according to claim 2, characterized in that: The depth of the deep groove area (112) is 5 to 8 mm, and the depth of the shallow groove area (111) is 0.5 to 4 mm.
5. The fixing fixture for probe connector welding according to claim 1, characterized in that: The rotating clamp (2) comprises a clamping piece (23) and a toggle portion (24); the clamping piece (23) presses against the PCB to be soldered; the toggle portion (24) is in the shape of an arc-shaped convex block and protrudes outward from the clamping piece (23).
6. The fixing fixture for probe connector welding according to claim 5, characterized in that: The clip (23) comprises a thickened section (231) and a pressing section (232), the toggle portion (24) is located on the thickened section (231), and the pressing section (232) presses the PCB to be welded.
7. The fixing fixture for probe connector welding according to claim 6, characterized in that: The rotating clamp (2) comprises a connecting portion (25), the connecting portion (25) is in the shape of an arc-shaped convex strip, the connecting portion (25) protrudes outward from the thickened section (231), and is arranged opposite to the toggle portion (24), and the fixed shaft (21) is passed through the connecting portion (25).
8. The fixing fixture for welding the probe connector according to claim 1, characterized in that: The bottom wall of the positioning groove (11) is provided with an anti-slip strip (13).
9. The fixing fixture for probe connector welding according to claim 1, characterized in that: A mounting groove (14) is provided on one side of the base (1) away from the notch of the positioning groove (11).
10. The fixing fixture for welding the probe connector according to claim 1, characterized in that: The connecting member (22) is a fixing screw (221), and the fixing screw (221) passes through the fixing shaft (21) and the base (1) in sequence.