A frame clamp fixture for PCB

By designing a frame clamp fixture combined with mobile components and vertical bar fixtures, the problems of unstable clamping and ablation of existing PCB fixtures are solved, and efficient and stable board handling and fast moving functions are achieved.

CN113795083BActive Publication Date: 2025-01-03GUANGDONG ZHILIAN SEMICON EQUIP CO LTD
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Patent Information

Application Number
CN202111130442.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-09-26
Publication Date
2025-01-03
Estimated Expiration
2041-09-26

AI Technical Summary

Technical Problem

The clamping equipment of existing PCB fixtures has a simple structure, resulting in low processing efficiency, unstable clamping position and easy to cause ablation of the board, lacking positioning and in-place display functions, making it difficult to ensure stable clamping of the board.

Method used

A frame clamp fixture including moving components, vertical strip fixtures and main frames are designed, and the inlayed slots and bolts are fixedly connected by equidistant arrangement. Combined with the rotor, limit strip and insulating strip, it provides the limit of the plate. Fix and fast movement functions to prevent conductive ablation.

Benefits of technology

It realizes stable clamping and rapid movement of the plate, improves processing efficiency, avoids ablation of the plate, and has a reasonable structure that is replaceable for easy maintenance and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a frame clamp fixture for PCB, comprising a moving component, a vertical bar clamp and a main frame, wherein a first end frame is fixedly installed at the front end of the main frame, and a second end frame is fixedly installed at the rear end of the main frame, and the top side walls of the first end frame and the second end frame are provided with equally spaced embedded slots, and the first end frame and the second end frame are plugged and installed with vertical bar clamps at the embedded slots, and the vertical bar clamps are respectively fixedly connected to the first end frame and the second end frame by bolts, and a symmetrically arranged moving component is assembled and installed at the bottom of the main frame. The present invention is structurally reasonable in design, and the combined structure can be used for quick replacement of individual components, and is convenient for later replacement, and has plate limiting and alignment functions to ensure stable insertion of the plate, and has the ability to move quickly, and the moving components are assembled separately, firmly assembled, and convenient for separate replacement and use.
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Description

Technical Field

[0001] The invention relates to the field of PCB fixtures, in particular to a frame clamp fixture for PCB. Background Art

[0002] It has been widely used before the industrial age, including mechanical jigs, woodworking jigs, welding jigs, jewelry jigs, and other fields. Some types of jigs are also called "molds" or "auxiliary tools". Their main purpose is to repeat and accurately reproduce a part. PCB, the Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component, the support of electronic components, and the carrier of electrical connection of electronic components. Because it is made by electronic printing, it is called "printed" circuit board.

[0003] When processing existing PCBs, the clamping device of the fixture has a simple structure, a small number of clamps each time, low processing efficiency, and the clamping position is prone to cause board ablation due to conduction. The structure of the device has no positioning and in-place display functions, making it difficult to ensure the stability of board clamping. Summary of the invention

[0004] The object of the present invention is to provide a frame clamp for PCB to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A frame clamp fixture for PCB includes a moving component, a vertical bar clamp and a main frame, wherein a first end frame is fixedly installed at the front end of the main frame, and a second end frame is fixedly installed at the rear end of the main frame. The top side walls of the first end frame and the second end frame are provided with equidistantly arranged embedded slots, and the first end frame and the second end frame are plugged and installed with vertical bar clamps at the embedded slots. The vertical bar clamps are fixedly connected to the first end frame and the second end frame respectively by bolts, and a symmetrically arranged moving component is assembled and installed at the bottom end of the main frame.

[0007] As a further solution of the present invention: the moving assembly includes a rotating wheel, a wheel seat, an embedded plate, a connecting plate, a torsion washer, an axle washer, a self-locking nut, an axle, a limit strip, a plug-in table, a pressure pad, a nut, a screw and an axle sleeve. The top cover of the wheel seat is provided with a connecting plate, a limit strip is provided in the middle of the top of the connecting plate, a plug-in table is provided at the top edge of the connecting plate, a through bolt hole is provided in the middle of the plug-in table, a bolt blind hole is provided on the top side wall of the wheel seat, an embedded plate is provided on the top cover of the plug-in table, a screw is installed through the middle of the embedded plate The screw is screwed and assembled with the bolt blind hole in the wheel seat, and a pressure pad is sleeved and installed on the outer side of the screw above the embedded plate, and a torsion pad is sleeved and installed on the outer side of the screw above the pressure pad. A wheel axle sleeve is embedded and fixedly installed in the middle of the wheel seat, and a wheel axle is installed through the middle of the wheel axle sleeve, and a rotating wheel is rotatably installed on the end of the wheel axle. A threaded groove is provided at one end of the wheel axle, and a self-locking nut is screwed and installed on one end of the wheel axle at the threaded groove, and a wheel axle pad is sleeved and installed on the outer side of the wheel axle between the self-locking nut and the side wall of the wheel seat.

[0008] As a further solution of the present invention: the vertical bar clamp includes a card strip, a bracket, a slot, a bolt hole, an insulating strip, an inspection hole and a wedge-shaped surface. A slot is provided in the middle of the card strip, and one end of the slot passes through the side wall of the card strip. An insulating strip is fixedly installed on the inner wall of the card strip at the slot, and a wedge-shaped surface is provided on the inner wall of the end of the insulating strip. A bracket is sleeved and installed in the middle of the outer side of the card strip, and the bracket is fixedly connected to the card strip by bolts. Bolt holes are provided at the end of the card strip, and the card strip is fixedly connected to the first end frame and the second end frame by bolts and bolt holes. The middle of the card strip is provided with equidistantly arranged inspection holes, and the middle of the insulating strip is provided with a through hole matching the inspection hole.

[0009] As a further solution of the present invention: the main frame includes a vertical plate, a first reinforcement plate, an indicating groove, a first assembly plate, a second assembly plate, a second reinforcement plate and an alignment rod, the first reinforcement plate and the second reinforcement plate are fixedly installed between the two vertical plates by bolts, the first assembly plate and the second assembly plate are fixedly installed between the two vertical plates by bolts, the first assembly plate and the second assembly plate are close to the ends of the vertical plates, and the tops of the first assembly plates and the second assembly plates are fixedly installed with symmetrically arranged alignment rods, the top side walls of the vertical plates are provided with embedding grooves that cooperate with the embedded plates, the bottom side walls of the vertical plates are provided with assembly grooves that cooperate with the connecting plates, the bottom side walls of the vertical plates located at the assembly grooves are provided with card grooves that cooperate with the limit strips, and the top side walls of the vertical plates are engraved with indicating grooves.

[0010] As a further solution of the present invention: a circular hole is opened in the middle of the first reinforcing plate and the second reinforcing plate to reduce weight and improve torsional strength, and the first reinforcing plate and the second reinforcing plate are arranged horizontally with each other.

[0011] As a further solution of the present invention: symmetrically arranged anti-collision blocks are fixedly installed on the side walls of the first end frame and the second end frame, and the anti-collision blocks are fixedly connected to the first end frame and the second end frame respectively by countersunk bolts.

[0012] As a further solution of the present invention: the rotating wheel and the insulating strip are made of nylon insulating material.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention has a reasonable structural design and a combined structure, which can quickly replace individual components and is convenient for later replacement. It has plate limiting and alignment functions to ensure stable plate insertion and rapid movement capabilities. The moving components are assembled separately and firmly, and are easy to replace and use separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the frame clamp fixture for PCB.

[0016] Figure 2 This is a schematic diagram of the structure between the vertical plate, the second assembly plate and the alignment rod in the frame clamp fixture for PCB.

[0017] Figure 3 This is a schematic diagram of the structure between the vertical plate and the moving component in the frame clamp for PCB.

[0018] Figure 4 This is a schematic diagram of the structure of the upper left part of the frame clamp fixture for PCB.

[0019] Figure 5 This is a schematic diagram of the structure of the moving components in the frame clamp fixture for PCB.

[0020] Figure 6 This is a schematic diagram of the structure of the vertical bar clamp in the frame clamp fixture for PCB.

[0021] In the figure: vertical plate 1, first reinforcement plate 2, indicating groove 3, first assembly plate 4, first end frame 5, rotating wheel 6, wheel seat 7, embedded plate 8, second assembly plate 9, clamping strip 10, second end frame 11, holding frame 12, alignment rod 13, second reinforcement plate 14, slot 15, bolt hole 16, insulating strip 17, connecting plate 18, torsion pad 19, axle pad 20, self-locking nut 21, axle 22, limiting strip 23, inserting platform 24, pressure pad 25, anti-collision block 26, inspection hole 27, wedge surface 28, nut 29, screw 30, clamping slot 31, axle sleeve 32. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 cannot be understood as a limitation on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figures 1 to 6 In an embodiment of the present invention, a frame clamp fixture for PCB includes a moving component, a vertical bar clamp and a main frame, wherein a first end frame 5 is fixedly installed at the front end of the main frame, and a second end frame 11 is fixedly installed at the rear end of the main frame. The top side walls of the first end frame 5 and the second end frame 11 are provided with equidistantly arranged embedded slots, and the first end frame 5 and the second end frame 11 are plugged and installed with vertical bar clamps at the embedded slots. The vertical bar clamps are fixedly connected to the first end frame 5 and the second end frame 11 respectively by bolts, and a symmetrically arranged moving component is assembled and installed at the bottom end of the main frame.

[0026] The moving assembly includes a rotating wheel 6, a wheel seat 7, an embedded plate 8, a connecting plate 18, a torsion washer 19, an axle washer 20, a self-locking nut 21, an axle 22, a limit strip 23, a plug-in platform 24, a pressure pad 25, a nut 29, a screw 30 and an axle sleeve 32. The top cover of the wheel seat 7 is provided with a connecting plate 18, a limit strip 23 is provided in the middle of the top of the connecting plate 18, a plug-in platform 24 is provided at the top edge of the connecting plate 18, a through bolt hole is opened in the middle of the plug-in platform 24, a blind bolt hole is opened on the top side wall of the wheel seat 7, the top cover of the plug-in platform 24 is provided with an embedded plate 8, a screw 30 is inserted and installed in the middle of the embedded plate 8, and the screw The rod 30 is screwed and assembled with the bolt blind hole in the wheel seat 7, and a pressure pad 25 is sleeved and installed on the outer side of the screw rod 30 above the embedded plate 8, and a torsion pad 19 is sleeved and installed on the outer side of the screw rod 30 above the pressure pad 25. A wheel axle sleeve 32 is embedded and fixedly installed in the middle of the wheel seat 7, and a wheel axle 22 is installed in the middle of the wheel axle sleeve 32. A rotating wheel 6 is rotatably installed on the end of the wheel axle 22. A threaded groove is provided at one end of the wheel axle 22, and a self-locking nut 21 is screwed and installed on one end of the threaded groove of the wheel axle 22, and a wheel axle pad 20 is sleeved and installed on the outer side of the wheel axle 22 between the self-locking nut 21 and the side wall of the wheel seat 7.

[0027] The vertical bar clamp includes a clamping strip 10, a bracket 12, a slot 15, a bolt hole 16, an insulating strip 17, an inspection hole 27 and a wedge-shaped surface 28. A slot 15 is provided in the middle of the clamping strip 10, and one end of the slot 15 passes through the side wall of the clamping strip 10. The inner wall of the clamping strip 10 located at the slot 15 is fixedly installed with an insulating strip 17, and a wedge-shaped surface 28 is provided on the inner wall of the end of the insulating strip 17. A bracket 12 is sleeved and installed in the middle of the outer side of the clamping strip 10, and the bracket 12 is fixedly connected to the clamping strip 10 by bolts. A bolt hole 16 is provided at the end of the clamping strip 10, and the clamping strip 10 is fixedly connected to the first end frame 5 and the second end frame 11 by bolts and bolt holes 16. The middle of the clamping strip 10 is provided with equidistantly arranged inspection holes 27, and the middle of the insulating strip 17 is provided with a through hole matching the inspection hole 27.

[0028] The main frame includes a vertical plate 1, a first reinforcement plate 2, an indicating groove 3, a first assembly plate 4, a second assembly plate 9, a second reinforcement plate 14 and an alignment rod 13. The first reinforcement plate 2 and the second reinforcement plate 14 are fixedly installed between the two vertical plates 1 by bolts. The first assembly plate 4 and the second assembly plate 9 are fixedly installed between the two vertical plates 1 by bolts. The first assembly plate 4 and the second assembly plate 9 are close to the end of the vertical plate 1. The first assembly plate 4 and the second assembly plate 9 are fixedly installed with symmetrically arranged alignment rods 13 on the top. The top side wall of the vertical plate 1 is provided with an embedding groove that cooperates with the embedded plate 8. The bottom side wall of the vertical plate 1 is provided with an assembly groove that cooperates with the connecting plate 18. The side wall of the bottom end of the vertical plate 1 located at the assembly groove is provided with a card groove 31 that cooperates with the limit strip 23. The top side wall of the vertical plate 1 is engraved with an indicating groove 3.

[0029] A circular hole is opened in the middle of the first reinforcing plate 2 and the second reinforcing plate 14 to reduce weight and improve torsional strength. The first reinforcing plate 2 and the second reinforcing plate 14 are arranged horizontally with each other.

[0030] Symmetrically arranged anti-collision blocks 26 are fixedly mounted on the side walls of the first end frame 5 and the second end frame 11 , and the anti-collision blocks 26 are respectively fixedly connected to the first end frame 5 and the second end frame 11 through countersunk bolts.

[0031] The rotating wheel 6 and the insulating strip 17 are made of nylon insulating material.

[0032] The working principle of the present invention is:

[0033] The present invention relates to a frame clamp fixture for PCB. When in use, the main frame is laid flat, the moving assembly allows the device to move, and the opening of the vertical bar fixture can be upward, so that the plate can be inserted and taken out conveniently;

[0034] Fifteen pallet jigs can be loaded and unloaded at one time, which improves the efficiency of the machine. It is equipped with a holding frame 12 to ensure the service life of the device. The alignment rod 13 is used to locate the insertion depth of the plate and cushion the shock and collision. It is equipped with an inspection hole 27 to facilitate the inspection of the insertion depth of the plate to ensure that the plate is in place.

[0035] The vertical bars of the fixed pallet jig are added with insulating materials to prevent the frame clamp jig and the pallet jig from being electrified. The rotating wheel 6 and the insulating strip 17 are made of nylon insulating material to prevent the occurrence of electrical conduction, thereby avoiding the occurrence of burning of the board and the ablation of the board;

[0036] The setting of the moving assembly enables the device to move quickly. The connecting plate 18 with the limit strip 23 and the inserting platform 24 is plugged into the vertical plate 1, and the assembly is stable. The wheel axle locked with a nut is used for assembly and combination, and the replacement is convenient.

[0037] The present invention has a reasonable structural design and a combined structure, which can quickly replace individual components and is convenient for later replacement. It has plate limiting and alignment functions to ensure stable plate insertion and rapid movement capabilities. The moving components are assembled separately and firmly, and are easy to replace and use separately.

[0038] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A frame clamp for PCB, comprising a moving assembly, a vertical bar clamp and a main frame, characterized in that: The front end of the main frame is fixedly installed with a first end frame (5), and the rear end of the main frame is fixedly installed with a second end frame (11). The top side walls of the first end frame (5) and the second end frame (11) are provided with equidistantly arranged embedded slots. The first end frame (5) and the second end frame (11) are plugged and installed with vertical bar clamps at the embedded slots. The vertical bar clamps are fixedly connected to the first end frame (5) and the second end frame (11) respectively by bolts. The bottom end of the main frame is equipped with a symmetrically arranged moving component; the moving component includes a rotating wheel (6), a wheel seat (7), an embedded plate (8), a connecting plate (18), a torsion washer (19), an axle washer (20), a self-locking nut (21), an axle (22), a limit strip (23), an insert (24), and a pressure pad. (25), a nut (29), a screw (30) and a wheel axle sleeve (32), the top end cover of the wheel seat (7) is provided with a connecting plate (18), a limiting strip (23) is provided at the middle of the top end of the connecting plate (18), a plug-in platform (24) is provided at the top edge of the connecting plate (18), a through bolt hole is provided in the middle of the plug-in platform (24), a bolt blind hole is provided at the top side wall of the wheel seat (7), the top end cover of the plug-in platform (24) is provided with an embedded plate (8), a screw (30) is installed through the middle of the embedded plate (8), the screw (30) is screwed and assembled with the bolt blind hole in the wheel seat (7), a pressure pad (25) is sleeved and installed on the outer side of the screw (30) above the embedded plate (8), and the outer side of the screw (30) is located on the pressure pad (25) A torsion washer (19) is installed in a square sleeve, a wheel seat (7) is embedded and fixedly installed with a wheel axle sleeve (32) penetrating the middle of the wheel seat (7), a wheel axle (22) is installed in the middle of the wheel axle sleeve (32), a rotating wheel (6) is rotatably installed at the end of the wheel axle (22), one end of the wheel axle (22) is provided with a threaded groove, a self-locking nut (21) is screwed and installed at one end of the wheel axle (22), and a wheel axle washer (20) is sleeved and installed on the outer side of the wheel axle (22) between the self-locking nut (21) and the side wall of the wheel seat (7); the vertical bar clamp comprises a clamping bar (10), a bracket (12), a slot (15), a bolt hole (16), an insulating strip (17), an inspection hole (27) and a wedge surface (28), and a clamping bar (10) is provided in the middle A slot (15), one end of the slot (15) passes through the side wall of the card strip (10), an insulating strip (17) is fixedly installed on the inner wall of the card strip (10) located at the slot (15), and a wedge-shaped surface (28) is provided on the inner wall of the end of the insulating strip (17). A bracket (12) is sleeved and installed in the middle of the outer side of the card strip (10), and the bracket (12) is fixedly connected to the card strip (10) by bolts. A bolt hole (16) is opened at the end of the card strip (10), and the card strip (10) is fixedly connected to the first end frame (5) and the second end frame (11) by bolts and bolt holes (16). An inspection hole (27) arranged at equal intervals is opened in the middle of the card strip (10), and a through hole matching the inspection hole (27) is opened in the middle of the insulating strip (17);The main frame comprises a vertical plate (1), a first reinforcing plate (2), an indicating groove (3), a first assembly plate (4), a second assembly plate (9), a second reinforcing plate (14) and an alignment rod (13). The first reinforcing plate (2) and the second reinforcing plate (14) are fixedly installed between the two vertical plates (1) by bolts. The first assembly plate (4) and the second assembly plate (9) are fixedly installed between the two vertical plates (1) by bolts. The first assembly plate (4) and the second assembly plate (9) are close to the ends of the vertical plates (1). The top ends of the first assembly plate (4) and the second assembly plate (9) are fixedly installed with symmetrically arranged alignment rods (13). The top side wall of the vertical plate (1) is provided with an embedding groove matched with the embedding plate (8). The bottom side wall of the vertical plate (1) is provided with an assembly groove matched with the connecting plate (18). The bottom side wall of the vertical plate (1) located at the assembly groove is provided with a clamping groove (31) matched with the limit strip (23). The top side wall of the vertical plate (1) is engraved with an indicating groove (3). ; 2. The PCB frame clamp according to claim 1, characterized in that: A circular hole is provided in the middle of the first reinforcing plate (2) and the second reinforcing plate (14) to reduce weight and improve torsional strength. The first reinforcing plate (2) and the second reinforcing plate (14) are arranged horizontally with each other.

3. The PCB frame clamp according to claim 1, characterized in that: The side walls of the first end frame (5) and the second end frame (11) are fixedly mounted with symmetrically arranged anti-collision blocks (26), and the anti-collision blocks (26) are respectively fixedly connected to the first end frame (5) and the second end frame (11) via countersunk bolts.

4. The PCB frame clamp according to claim 1, characterized in that: The rotating wheel (6) and the insulating strip (17) are made of nylon insulating material.