PCBA (printed circuit board assembly) multi-layer alignment clamp
Through innovative design of support rods, shelves, alignment clamping structures and top limiting structures, the problem that existing multi-layer alignment fixtures cannot adapt to PCBA boards of different sizes is solved, achieving stable clamping and limiting, and ensuring smooth processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-27
AI Technical Summary
Existing multi-layer alignment fixtures cannot meet the clamping requirements of PCBA boards of different sizes, thus affecting the processing flow.
The design incorporates support rods, shelves, alignment clamping structures, and top limiting structures. Through the coordinated movement of screws and connecting rods, it achieves the fixation and limiting of PCBA boards of different sizes.
It achieves stable clamping and positioning of PCBA boards of different sizes, ensuring smooth processing.
Smart Images

Figure CN224054501U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to multilayer alignment fixture technical field especially relates to a PCBA board multilayer alignment fixture. BACKGROUND
[0002] PCBA board generally refers to printed circuit board, also be called printed circuit board, printed circuit board, it is important electronic component, it is the support body of electronic component, in the PCBA board manufacturing process, often layering is placed and processes, at this moment need to each layer's PCBA board is assisted and fixed, at this moment need to use multilayer alignment fixture and fix.
[0003] In actual work, the structure and function of the multilayer alignment fixture of prior art are relatively perfect, and can basically meet the daily use demand, but there will be the following problems:
[0004] In actual use process, in the process of clamping each layer's PCBA board, if the size of each layer's PCBA board is different, at this moment, the same clamping mechanism and structure cannot meet the clamping demand of different size PBCA board, and thus each layer's PCBA board cannot be effectively aligned, and thus the actual processing flow is affected.
[0005] Therefore, the utility model provides a PCBA board multilayer alignment fixture. UTILITY MODEL CONTENT
[0006] The utility model aims at solving the shortcomings in the prior art, and provides a PCBA board multilayer alignment fixture.
[0007] In order to achieve the above object, the utility model adopts the following technical scheme: a PCBA board multilayer alignment fixture, including four support rods, the outer surface of four support rods is fixedly connected with five layer plates;The outer surface of the layer plate in the middle position is provided with alignment clamping structure one side;The inside of alignment clamping structure is provided with top limiting structure;Alignment clamping structure includes rectangular frame, the outer surface one side of rectangular frame is fixedly connected with the outer surface one side of the layer plate in the middle position, the outer surface one side of rectangular frame is fixedly installed with drive motor, the output of drive motor is fixedly connected with first screw rod, and the thread rotation direction of both ends of first screw rod is opposite.
[0008] As a preferred implementation manner, the outer surface of the first screw rod is threadedly connected with a screw hole block, the outer surface of the screw hole block is slidably connected with the inner wall of the rectangular frame, the top and bottom of the rectangular frame are both provided with a rectangular through slot, the inner wall of the rectangular through slot is respectively slidably provided with a first connecting rod and a second connecting rod, the first connecting rod is fixedly connected with the bottom of the screw hole block, the second connecting rod is fixedly connected with the top of the screw hole block, the outer surface of the first connecting rod is fixedly connected with two connecting blocks, the outer surface of the second connecting rod is fixedly connected with three connecting blocks, one side of the outer surface of the connecting block is fixedly connected with an auxiliary connecting rod, one end of the outer surface of the auxiliary connecting rod is fixedly connected with an auxiliary plate, the inner wall of one side of the auxiliary plate is threadedly connected with a second screw rod, one end of the outer surface of the second screw rod is fixedly connected with a first operating block, the end of the second screw rod away from the first operating block is rotatably connected with a first clamping plate, one side of the outer surface of the first clamping plate is fixedly connected with a first limiting rod, and the first limiting rod is slidably arranged on the inner wall of the auxiliary plate.
[0009] The technical effect of the above further scheme is that under the action of the first screw rod and the screw hole block, the first connecting rod and the second connecting rod can be driven to move, and then the auxiliary connecting rod and the auxiliary plate can be driven to move, so that the PCBA plate on the layer plate can be assisted and limited in position, at this time, the second screw rod can be rotated according to different sizes, so that the first clamping plate can be driven to move, and then different sizes of PCBA plates can be fixed.
[0010] As a preferred implementation manner, the top limiting structure comprises an L-shaped rod, one end of the outer surface of the L-shaped rod is fixedly connected with a mounting plate, the inner wall of the mounting plate is threadedly connected with a third screw rod, the top end of the third screw rod is fixedly connected with a second operating block, the bottom end of the third screw rod is rotatably connected with a pressing plate, the top of the outer surface of the pressing plate is fixedly connected with a second limiting rod, and the second limiting rod is slidably arranged on the inner wall of the mounting plate.
[0011] The technical effect of the above further scheme is that by arranging the third screw rod and the pressing plate, the pressing plate can assist in limiting the top of the PCBA plate on the layer plate, so that the instability of clamping on both sides can be avoided, and the position deviation of the PCBA plate can be avoided.
[0012] As a preferred implementation manner, the top of the outer surface of the auxiliary plate is fixedly connected with a rectangular clamping block, one end of the L-shaped rod away from the mounting plate is fixedly connected with a rectangular clamping frame, the inner wall of the rectangular clamping block is provided with a first insertion hole, the inner walls of the two sides of the rectangular clamping frame are both provided with a second insertion hole, the inner walls of the first insertion hole and the second insertion hole are both inserted with a threaded insertion rod, and one end of the threaded insertion rod is threadedly connected with a fixed nut.
[0013] The technical effect of adopting the further scheme is that the rectangular clamping block and the rectangular clamping frame can be fixed through the first jack and the second jack and the threaded insertion rod and the fixing nut.
[0014] Compared with the prior art, the utility model has the advantages and positive effects that,
[0015] Through the alignment clamping structure, the first connecting rod and the second connecting rod can be driven to move under the action of the first screw rod and the screw hole block, thereby driving the auxiliary connecting rod and other components to move, so that the auxiliary plate can fix the PCBA plate, and the auxiliary clamping can be performed according to the PCBA plate of different sizes under the action of the second screw rod and the first clamping plate. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides a kind of structure schematic diagram of PCBA plate multilayer alignment clamp;
[0017] Figure 2 The utility model provides a kind of structure schematic diagram of rectangular frame of PCBA plate multilayer alignment clamp;
[0018] Figure 3 The utility model provides a kind of structure schematic diagram of auxiliary plate of PCBA plate multilayer alignment clamp;
[0019] Figure 4 The utility model provides a kind of structure schematic diagram of mounting plate of PCBA plate multilayer alignment clamp.
[0020] LEGEND:
[0021] 1, support rod;2, layer plate;
[0022] 3, alignment clamping structure;31, rectangular frame;32, driving motor;33, first screw rod;34, screw hole block;35, rectangular through slot;36, first connecting rod;37, second connecting rod;38, connecting block;39, auxiliary connecting rod;310, auxiliary plate;311, second screw rod;312, first operating block;313, first clamping plate;314, first limiting rod;
[0023] 4, top limiting structure; 41, rectangular clamping block; 42, rectangular clamping frame; 43, first jack; 44, second jack; 45, threaded insertion rod; 46, fixing nut; 47, L-shaped rod; 48, mounting plate; 49, third screw; 410, second operating block; 411, pressing plate; 412, second limiting rod. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] As shown in the drawings, Figures 1-4 The present embodiment provides a technical solution: a PCBA board multi-layer alignment clamp, comprising four supporting rods 1, the outer surfaces of the four supporting rods 1 are fixedly connected with five layer plates 2; the outer surface of the layer plate 2 located in the middle position is provided with an alignment clamping structure 3 on one side; the inside of the alignment clamping structure 3 is provided with a top limiting structure 4; the alignment clamping structure 3 comprises a rectangular frame 31, the outer surface of the rectangular frame 31 is fixedly connected with the outer surface of the layer plate 2 located in the middle position on one side, a driving motor 32 is fixedly installed on one side of the outer surface of the rectangular frame 31, the output end of the driving motor 32 is fixedly connected with a first screw rod 33, the thread rotation directions of the two ends of the first screw rod 33 are opposite;
[0026] By setting the alignment clamping structure 3, under the action of the first screw rod 33 and the threaded hole block 34, the first connecting rod 36 and the second connecting rod 37 can be driven to move, and then the auxiliary connecting rod 39 and other components can be driven to move, so that the auxiliary plate 310 can fix the PCBA board, and at the same time, under the action of the second screw rod 311 and the first clamping plate 313, the auxiliary clamping can be performed according to PCBA boards of different sizes, by setting the top limiting structure 4, the third screw rod 49 can drive the pressing plate 411 to move, and then the top of the PCBA board can be auxiliary limited, and under the action of the rectangular clamping block 41 and the rectangular clamping frame 42, the mounting plate 48 and other components and the auxiliary plate 310 can be disassembled and fixed.
[0027] Further, Figure 2 and Figure 3As shown: the outer surface of the first screw rod 33 is threadedly connected with the screw hole block 34, the outer surface of the screw hole block 34 is slidably connected with the inner wall of the rectangular frame 31, the top and bottom of the rectangular frame 31 are provided with rectangular through grooves 35, the inner wall of the rectangular through groove 35 is slidably provided with a first connecting rod 36 and a second connecting rod 37 respectively, the first connecting rod 36 is fixedly connected with the bottom of the screw hole block 34, the second connecting rod 37 is fixedly connected with the top of the screw hole block 34, the outer surface of the first connecting rod 36 is fixedly connected with two connecting blocks 38, the outer surface of the second connecting rod 37 is fixedly connected with three connecting blocks 38, one side of the outer surface of the connecting block 38 is fixedly connected with an auxiliary connecting rod 39, one end of the outer surface of the auxiliary connecting rod 39 is fixedly connected with an auxiliary plate 310, one side of the inner wall of the auxiliary plate 310 is threadedly connected with a second screw rod 311, one end of the outer surface of the second screw rod 311 is fixedly connected with a first operating block 312, the end of the second screw rod 311 away from the first operating block 312 is rotatably connected with a first clamping plate 313, one side of the outer surface of the first clamping plate 313 is fixedly connected with a first limiting rod 314, the first limiting rod 314 is slidably arranged on the inner wall of the auxiliary plate 310, under the action of the first screw rod 33 and the screw hole block 34, the first connecting rod 36 and the second connecting rod 37 can be driven to move, thereby the auxiliary connecting rod 39 and the auxiliary plate 310 can be driven to move, thereby the PCBA board on the layer plate 2 can be assisted and limited, at this time, the second screw rod 311 can be rotated according to different sizes, thereby the first clamping plate 313 is driven to move, thereby the PCBA board of different sizes can be fixed.
[0028] The above scheme also has a structure that the top of the PCBA board is not fixedly limited, which is prone to up and down shaking when the two sides are not clamped stably, for example Figure 4 As shown: in the present scheme, the top limiting structure 4 includes an L-shaped rod 47, one end of the outer surface of the L-shaped rod 47 is fixedly connected with a mounting plate 48, the inner wall of the mounting plate 48 is threadedly connected with a third screw rod 49, the top end of the third screw rod 49 is fixedly connected with a second operating block 410, the bottom end of the third screw rod 49 is rotatably connected with a pressing plate 411, the top of the outer surface of the pressing plate 411 is fixedly connected with a second limiting rod 412, the second limiting rod 412 is slidably arranged on the inner wall of the mounting plate 48, by arranging the third screw rod 49 and the pressing plate 411, the pressing plate 411 can assist in limiting the top of the PCBA board on the layer plate 2, thereby avoiding the displacement of the PCBA board due to unstable clamping on both sides.
[0029] In the above scheme, the pressing plate 411 and other components need to be fixed and disassembled by multiple bolts when maintaining and disassembling, which leads to more disassembly steps, for example Figure 4As shown: In this scheme, a rectangular card block 41 is fixedly connected to the top of the outer surface of the auxiliary plate 310, and a rectangular card frame 42 is fixedly connected to the end of the L-shaped rod 47 away from the mounting plate 48. A first insertion hole 43 is opened on the inner wall of the rectangular card block 41, and a second insertion hole 44 is opened on both sides of the inner wall of the rectangular card frame 42. A threaded insertion rod 45 is inserted into the inner wall of the first insertion hole 43 and the second insertion hole 44. A fixing nut 46 is threaded to one end of the threaded insertion rod 45. By setting the rectangular card block 41 and the rectangular card frame 42, they can cooperate with the first insertion hole 43 and the second insertion hole 44. At the same time, the threaded insertion rod 45 can be used to assist in fixing with the fixing nut 46, so that the rectangular card block 41 and the rectangular card frame 42 can be fixed.
[0030] Working principle:
[0031] like Figures 1-4 As shown:
[0032] When in use: Place the PCBA board on the shelf 2. At this time, start the drive motor 32 so that the first screw 33 can drive the screw hole block 34 to move, which in turn can drive the first connecting rod 36 and the second connecting rod 37 to move, so that the connecting block 38 can drive the auxiliary connecting rod 39 and the auxiliary plate 310 to move.
[0033] Rotate the second screw 311 so that the first clamping plate 313 can move along the direction of the second screw 311, thereby cooperating with the auxiliary plate 310 on the other side for fixation and clamping;
[0034] At this time, the rectangular clip 41 is inserted into the inner wall of the rectangular clip frame 42, and the threaded rod 45 is inserted into the inner wall of the first insertion hole 43 and the second insertion hole 44. Then, the fixing nut 46 is fixed to the threaded rod 45. Then, the third screw 49 is rotated, which can drive the pressure plate 411 to move, thereby assisting in clamping and fixing the top of the PVBA board.
[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A PCBA board multi-layer alignment clamp, comprising four supporting rods (1), characterized in that, the outer surface of the four supporting rods (1) is fixedly connected with five layer plates (2); the outer surface of the layer plate (2) located in the middle position is provided with an alignment clamping structure (3) on one side; the inside of the alignment clamping structure (3) is provided with a top limiting structure (4); the alignment clamping structure (3) comprises a rectangular frame (31), one side of the outer surface of the rectangular frame (31) is fixedly connected with the outer surface of the layer plate (2) located in the middle position, a driving motor (32) is fixedly installed on one side of the outer surface of the rectangular frame (31), the output end of the driving motor (32) is fixedly connected with a first screw rod (33), and the thread rotation directions of the two ends of the first screw rod (33) are opposite.
2. The PCBA board multi-layer alignment fixture of claim 1, wherein: a screw hole block (34) is threadedly connected to the outer surface of the first screw rod (33), and the outer surface of the screw hole block (34) is in sliding connection with the inner wall of the rectangular frame (31).
3. The PCBA board multi-layer alignment fixture of claim 2, wherein: rectangular through grooves (35) are formed in the top and bottom of the rectangular frame (31), and a first connecting rod (36) and a second connecting rod (37) are respectively slidably arranged on the inner walls of the rectangular through grooves (35), the bottom of the first connecting rod (36) is fixedly connected with the screw hole block (34), and the top of the second connecting rod (37) is fixedly connected with the screw hole block (34).
4. The PCBA board multi-layer alignment fixture of claim 3, wherein: two connecting blocks (38) are fixedly connected to the outer surface of the first connecting rod (36), and the outer surface of the second connecting rod (37) is fixedly connected with three connecting blocks (38).
5. The PCBA board multi-layer alignment fixture of claim 4, wherein: an auxiliary connecting rod (39) is fixedly connected to one side of the outer surface of the connecting block (38), one end of the outer surface of the auxiliary connecting rod (39) is fixedly connected with an auxiliary plate (310), a second screw rod (311) is threadedly connected to the inner wall of one side of the auxiliary plate (310), and one end of the outer surface of the second screw rod (311) is fixedly connected with a first operation block (312).
6. The PCBA board multi-layer alignment fixture of claim 5, wherein: a first clamping plate (313) is rotatably connected to the end of the second screw rod (311) away from the first operation block (312), one side of the outer surface of the first clamping plate (313) is fixedly connected with a first limiting rod (314), and the first limiting rod (314) is slidably arranged on the inner wall of the auxiliary plate (310).
7. The PCBA board multi-layer alignment fixture of claim 6, wherein: the top limiting structure (4) comprises an L-shaped rod (47), one end of the outer surface of the L-shaped rod (47) is fixedly connected with a mounting plate (48), a third screw rod (49) is threadedly connected to the inner wall of the mounting plate (48), the top end of the third screw rod (49) is fixedly connected with a second operation block (410), the bottom end of the third screw rod (49) is rotatably connected with a pressing plate (411), the top of the outer surface of the pressing plate (411) is fixedly connected with a second limiting rod (412), and the second limiting rod (412) is slidably arranged on the inner wall of the mounting plate (48).
8. The PCBA board multi-layer alignment fixture of claim 7, wherein: The outer surface top of the auxiliary plate (310) is fixedly connected with a rectangular clamping block (41), one end of the L-shaped rod (47) away from the mounting plate (48) is fixedly connected with a rectangular clamping frame (42), the inner wall of the rectangular clamping block (41) is provided with a first jack (43), the inner walls of the two sides of the rectangular clamping frame (42) are both provided with a second jack (44), the inner walls of the first jack (43) and the second jack (44) are both inserted with a threaded plug rod (45), one end of the threaded plug rod (45) is threadedly connected with a fixed nut (46).