Foreign matter prevention cover plate
By designing anti-foreign object cover plates, the coupling of cover rack assembly, baffle assembly and support column assembly can achieve effective barrier of flux, solving the problem of flux falling into the connector pins on the PCBA surface, and optimizing the processing requirements of PCB.
Patent Information
- Application Number
- CN202422127222.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-30
AI Technical Summary
During PCBA oversoldering, flux is sprayed into atomized form and easily falls into the connector pins on the PCBA surface, resulting in poor contact with the connector and may even short circuit.
A foreign object-proof cover plate is designed, including a cover rack assembly, a baffle assembly and a support column assembly. By adjusting the coordination between the rack assembly and the barrier plate assembly, effective barrier to flux is achieved.
Effectively block the flux to prevent it from falling into the connector pins on the PCBA surface, avoiding poor contact and short circuit problems, and optimizes the processing requirements of the PCB.
Smart Images

Figure CN222971191U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the PCB processing industry, and specifically relates to a foreign object prevention cover plate. Background Technique
[0002] PCBA through-hole wave soldering is the process of soldering through the wave soldering process, which is an important part in the process of electronic product assembly. Wave soldering is a process in which molten liquid solder forms a specific solder wave, and components are inserted into the PCB and passed through the solder wave peak to achieve soldering of solder joints.
[0003] Currently, during the PCBA through-hole wave soldering process, after the flux is sprayed into a mist, it will fall into the connector pins on the surface of the PCBA, causing poor contact of the connector. The solder splashing during soldering in the furnace will fall within the minimum electrical distance of the components, resulting in a short circuit. In view of the above problems, it is urgent to develop a foreign object prevention cover plate. Content of the Utility Model
[0004] The purpose of the utility model is to provide a foreign object prevention cover plate to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A foreign object prevention cover plate, comprising:
[0007] A holding frame;
[0008] A cover plate frame assembly, which is connected to the holding frame;
[0009] A partition plate assembly, which is connected to the cover plate frame assembly;
[0010] A support column assembly, which is connected to the cover plate frame assembly and is used for supporting and fixing the cover plate frame assembly;
[0011] Among them, the partition plate assembly includes:
[0012] An adjustment frame assembly, which is slidably connected to the cover plate frame assembly;
[0013] A blocking partition assembly, which is connected to the adjustment frame assembly and is used to cooperate with the adjustment frame assembly to complete the isolation of the flux.
[0014] Compared with the prior art, the beneficial effect of the utility model is that the cooperation of the cover plate frame assembly and the partition plate assembly of the device can effectively block the flux. At the same time, the cooperation of the adjustment frame assembly and the blocking partition assembly can adjust the blocking range and position according to the blocking requirements, further optimizing the processing requirements of the PCB. Description of the Drawings
[0015] Figure 1 Schematic top view of the front side of an anti-foreign object cover plate in an embodiment of the present utility model.
[0016] Figure 2 Schematic top view of the bottom side of an anti-foreign object cover plate in an embodiment of the present utility model.
[0017] Figure 3 Schematic structure diagram of an adjusting frame assembly in an anti-foreign object cover plate in an embodiment of the present utility model.
[0018] Figure 4 It is Figure 2 Partial structure diagram at position A in
[0019] Figure 5 It is Figure 4 Partial structure diagram at position B in
[0020] In the figure: 1 - holding frame, 2 - cover plate frame assembly, 3 - partition plate assembly, 4 - adjusting frame assembly, 5 - blocking plate assembly, 6 - support column assembly, 201 - cover plate frame, 202 - limiting frame, 203 - through slot, 204 - limiting sliding groove, 401 - limiting disc, 402 - limiting plate, 403 - damping shaft frame, 404 - first driving member, 405 - anti-slip plate, 406 - connecting groove, 407 - magnetic attraction seat, 501 - inserting block, 502 - partition plate, 503 - magnetic attraction plate, 601 - second driving member, 602 - support column, 603 - first movable shaft frame, 604 - tensioning frame, 605 - third driving member, 606 - second movable shaft frame. Detailed implementation manners
[0021] 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.
[0022] An anti-foreign object cover plate, in an embodiment of the present utility model, as Figure 1 and Figure 2 shown, includes: a holding frame 1; a cover plate frame assembly 2, the cover plate frame assembly 2 is connected to the holding frame 1; a partition plate assembly 3, the partition plate assembly 3 is connected to the cover plate frame assembly 2; a support column assembly 6, the support column assembly 6 is connected to the cover plate frame assembly 2 and is used for the support and fixation of the cover plate frame assembly 2; wherein, the partition plate assembly 3 includes: an adjusting frame assembly 4, the adjusting frame assembly 4 is slidably connected to the cover plate frame assembly 2; a blocking plate assembly 5, the blocking plate assembly 5 is connected to the adjusting frame assembly 4 and is used to cooperate with the adjusting frame assembly 4 to complete the isolation of the soldering flux.
[0023] In an embodiment of the present utility model:
[0024] As Figure 1 and Figure 2 shown, the cover plate frame assembly 2 includes: a cover plate frame 201, the cover plate frame 201 is connected to the holding frame 1; several groups of limiting frames 202, several groups of limiting frames 202 are connected to the cover plate frame 201; several through slots 203, the through slots 203 are arranged in the middle of each group of limiting frames 202; several groups of limiting sliding slots 204, several groups of limiting sliding slots 204 are arranged on both sides of the through slots 203;
[0025] When in use, a slot (not shown in the figure) matching the several support column assemblies 6 is arranged in the PCBA fixture (not shown in the figure), the support column assemblies 6 are embedded and connected with the slots at corresponding positions, and the connection and fixation of the cover plate frame assembly 2 and the PCBA fixture are completed through the support column assemblies 6. The support column assemblies 6 can adjust the relative distance between the cover plate frame assembly 2 and the PCBA fixture. After the flux is sprayed into a mist, it will fall on the connector pins on the surface of the PCBA, causing poor contact of the connector. The baffle plate assembly 5 can complete the directional blocking of the through slots 203, thereby preventing the flux from falling on the surface of the PCBA. The baffle plate assembly 5 is provided with multiple groups with different hollow shapes, so as to meet different blocking requirements.
[0026] In an embodiment of the present utility model:
[0027] As Figures 1 to 3 shown, the adjusting frame assembly 4 includes: a limiting disk 401, the limiting disk 401 is slidably connected to the side of the cover plate frame 201 away from the support column assembly 6; at least two limiting plates 402, the limiting plates 402 are inserted and slidably connected to the limiting sliding slots 204; a damping shaft frame 403, the shaft frame 403 is rotatably connected through the limiting disk 401 and is movably connected through the through slot 203; at least two first driving members 404, the first driving members 404 are arranged on the side of the cover plate frame 201 away from the support column assembly 6 and are connected to the damping shaft frame 403; the first driving members 404 are selected as electric telescopic rods; an anti-slip plate 405, the anti-slip plate 405 is connected to the end of the first driving member 404 away from the damping shaft frame 403; several connecting slots 406, several connecting slots 406 are arranged on the outer side of the damping shaft frame 403; a magnetic attraction seat 407, the magnetic attraction seat 407 is arranged on the bottom side of the damping shaft frame 403;
[0028] The damping shaft frame 403 penetrates through the through slot 203, two first driving members 404 are connected to the top side of the damping shaft frame 403, and several baffle plate assemblies 5 are connected to the bottom side of the damping shaft frame 403. As Figure 3As shown, when manually rotating the top square of the damping shaft bracket 403, the bottom square of the damping shaft bracket 403 rotates synchronously. A number of connecting grooves 406 are arranged on the outside of the bottom square of the damping shaft bracket 403, thereby driving the bottom damping partition plate assembly 5 to rotate. And when the type and position of the partition plate assembly 5 are determined, the two first driving members 404 operate synchronously, which can drive the two anti-slip plates 405 to move towards the side close to the limit frame 202, so that the anti-slip plates 405 are in contact with the limit frame 202, completing the limit fixation of the partition plate assembly 3;
[0029] In this application, the first driving member 404 is not limited to an electric telescopic rod. A linear motor, an electric cylinder or a cylinder drive, etc. can also be used, as long as the movement adjustment of the anti-slip plate 405 can be realized, and no specific limitation is made here.
[0030] In an embodiment of the present utility model:
[0031] As Figure 4 shown, the partition plate assembly 5 includes: an insertion block 501, and the insertion block 501 is inserted and movably connected with the connecting groove 406; a partition plate 502, and the partition plate 502 is connected to the insertion block 501; a magnetic attraction plate 503, and the magnetic attraction plate 503 is connected to the partition plate 502;
[0032] The magnetic attraction plate 503 has a magnetic property opposite to that of the magnetic attraction seat 407. The partition plate 502 can select different types of hollow or solid shapes, thereby realizing different ways of blocking the through groove 203. When the insertion block 501 is inserted into the connecting groove 406 at the corresponding position, the magnetic attraction plate 503 is magnetically connected to the magnetic attraction seat 407 at the bottom of the damping shaft bracket 403, completing the magnetic attraction fixation of the partition plate 502. When manually rotating the top square of the damping shaft bracket 403 clockwise or counterclockwise by 90 degrees, several bottom partition plates 502 can be driven to rotate, thereby realizing the switching of different types of partition plates 502.
[0033] In an embodiment of the present utility model:
[0034] As Figure 4 and Figure 5As shown in the figure, the support column assembly 6 includes: a plurality of second driving members 601, and the plurality of second driving members 601 are connected to the side of the cover plate frame 201 away from the limit disc 401; the second driving member 601 is selected as an electric telescopic rod; a support column 602, and the support column 602 is connected to the end of the second driving member 601 away from the cover plate frame 201; a plurality of first movable shaft frames 603, and the plurality of first movable shaft frames 603 are connected to the support column 602; a tensioning frame 604, and the tensioning frame 604 is movably connected to the first movable shaft frame 603; a third driving member 605, and the third driving member 605 is movably connected to the tensioning frame 604; the third driving member 605 is selected as an electric telescopic rod; a second movable shaft frame 606, and the second movable shaft frame 606 is fixedly connected to the support column 602 and is movably connected to the end of the third driving member 605 away from the tensioning frame 604;
[0035] When the support column 602 is inserted into the corresponding slot of the PCBA fixture, a plurality of third driving members 605 run synchronously, driving the tensioning frame 604 to rotate a certain angle around the first movable shaft frame 603, so that the tensioning frame 604 is tightly abutted against the slot wall of the slot, completing the fixation of the support column 602. When the second driving member 601 runs, the relative distance between the cover plate frame 201 and the PCBA fixture can be adjusted;
[0036] In this application, the second driving member 601 is not limited to an electric telescopic rod. Other devices such as a linear motor, an electric cylinder or a cylinder drive can also be used, as long as the movement adjustment of the support column 602 can be realized, and no specific limitation is made here; in this application, the third driving member 605 is not limited to an electric telescopic rod. Other devices such as a linear motor, an electric cylinder or a cylinder drive can also be used, as long as the rotational adjustment of the tensioning frame 604 around the first movable shaft frame 603 can be realized, and no specific limitation is made here.
[0037] The working principle of the present utility model is: when in use, there are slots (not shown in the figure) in the PCBA fixture (not shown in the figure) that match a plurality of support column assemblies 6. The support column assemblies 6 are embedded and connected to the slots at corresponding positions, and the connection and fixation between the cover plate frame assembly 2 and the PCBA fixture are completed through the support column assemblies 6. The support column assemblies 6 can adjust the relative distance between the cover plate frame assembly 2 and the PCBA fixture. After the flux is sprayed into a mist, it will fall on the connector pins on the surface of the PCBA, causing poor contact of the connector. The baffle plate assembly 5 can complete the directional blockage of the through slot 203, thereby preventing the flux from falling on the surface of the PCBA. The baffle plate assembly 5 is provided with multiple groups with different hollow shapes to meet different blocking requirements. The damping shaft frame 403 penetrates the through slot 203, two first driving members 404 are connected to the top side of the damping shaft frame 403, and a plurality of baffle plate assemblies 5 are connected to the bottom side of the damping shaft frame 403, as Figure 3As shown, when manually rotating the top square of the damping shaft frame 403, the bottom square of the damping shaft frame 403 rotates synchronously. A number of connecting grooves 406 are arranged on the outside of the bottom square of the damping shaft frame 403, thereby driving the bottom damping partition plate assembly 5 to rotate. And when the type and position of the partition plate assembly 5 are determined, the two first driving members 404 operate synchronously, which can drive the two anti-slip plates 405 to move towards the side close to the limit frame 202, so that the anti-slip plates 405 are in contact with the limit frame 202, completing the limit fixation of the partition plate assembly 3. The first driving member 404 is not limited to an electric telescopic rod. Other devices such as a linear motor, an electric cylinder or a cylinder drive can also be used, as long as the movement adjustment of the anti-slip plate 405 can be realized, and no specific limitation is made here;
[0038] The magnetic attraction plate 503 has the opposite magnetism to the magnetic attraction seat 407. The partition plate 502 can select different types of hollow or solid shapes, thereby achieving different ways of blocking the through groove 203. When the insertion block 501 is inserted into the connecting groove 406 at the corresponding position, the magnetic attraction plate 503 is magnetically connected to the magnetic attraction seat 407 at the bottom of the damping shaft frame 403, completing the magnetic attraction fixation of the partition plate 502. When manually rotating the top square of the damping shaft frame 403 clockwise or counterclockwise by 90 degrees, it can drive several bottom partition plates 502 to rotate, thereby realizing the switching of different types of partition plates 502. When the support column 602 is inserted into the corresponding groove of the PCBA fixture, several third driving members 605 operate synchronously, driving the tensioning frame 604 to rotate a certain angle around the first movable shaft frame 603, so that the tensioning frame 604 is in tight contact with the groove wall of the groove, completing the fixation of the support column 602. When the second driving member 601 operates, the relative distance between the cover plate frame 201 and the PCBA fixture can be adjusted. The second driving member 601 is not limited to an electric telescopic rod. Other devices such as a linear motor, an electric cylinder or a cylinder drive can also be used, as long as the movement adjustment of the support column 602 can be realized, and no specific limitation is made here; In this application, the third driving member 605 is not limited to an electric telescopic rod. Other devices such as a linear motor, an electric cylinder or a cylinder drive can also be used, as long as the rotational adjustment of the tensioning frame 604 around the first movable shaft frame 603 can be realized, and no specific limitation is made here.
[0039] In summary, the cooperation of the cover plate frame assembly 2 and the partition plate assembly 3 of this device can effectively block the flux. At the same time, the cooperation of the adjustment frame assembly 4 and the damping partition plate assembly 5 can adjust the blocking range and position according to the blocking requirements, further optimizing the processing requirements of the PCB.
[0040] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A foreign body protection cover, characterized in that: include: Grip frame; A cover frame assembly, wherein the cover frame assembly is connected to the holding frame; A baffle assembly, wherein the baffle assembly is connected to the cover frame assembly; A support column assembly, wherein the support column assembly is connected to the cover frame assembly and is used to support and fix the cover frame assembly; Wherein, the baffle assembly comprises: An adjustment frame assembly, wherein the adjustment frame assembly is slidably connected to the cover frame assembly; The baffle plate assembly is connected to the adjusting frame assembly and is used to cooperate with the adjusting frame assembly to complete the isolation of the soldering flux.
2. The foreign body protection cover according to claim 1, characterized in that: The cover frame assembly comprises: A cover frame, wherein the cover frame is connected to the holding frame; A plurality of groups of limit frames, wherein the plurality of groups of limit frames are connected to the cover frame; A plurality of through slots, wherein the through slots are arranged in the middle of each set of limiting frames; A plurality of groups of limiting slide grooves are arranged on both sides of the through groove.
3. The foreign body protection cover according to claim 2, characterized in that: The adjustment frame assembly comprises: A limiting plate, the limiting plate being slidably connected to a side of the cover frame away from the support column assembly; At least two limit plates, the limit plates are inserted and slidably connected with the limit sliding grooves; A damping shaft frame, the shaft frame is rotatably connected to the limit plate and is movably connected to the through slot; At least two first driving members, wherein the first driving members are arranged on a side of the cover frame away from the support column assembly and connected to the damping shaft frame; An anti-skid plate, the anti-skid plate being connected to an end of the first driving member away from the damping shaft frame; A plurality of connecting grooves, wherein the plurality of connecting grooves are arranged on the outer side of the damping shaft frame; A magnetic seat is arranged on the bottom side of the damping shaft frame.
4. The foreign body protection cover according to claim 3, characterized in that: The baffle plate assembly comprises: An insert block, the insert block is movably connected to the connecting slot by inserting; A partition, the partition being connected to the plug block; A magnetic attraction plate is connected to the partition.
5. The foreign body protection cover according to claim 4, characterized in that: The support column assembly comprises: A plurality of second driving members, wherein the plurality of second driving members are connected to a side of the cover frame away from the limiting plate; A support column, the support column is connected to an end of the second driving member away from the cover frame; A plurality of first movable shaft frames, wherein the plurality of first movable shaft frames are connected to the support columns; A tensioning frame, the tensioning frame is movably connected to the first movable shaft frame; a third driving member, the third driving member being movably connected to the tensioning frame; A second movable shaft frame is fixedly connected to the support column and movably connected to an end of the third driving member away from the tensioning frame.