CN215268919U

CN215268919U - Fixing device is used in processing of printed circuit board

Info

Publication number: CN215268919U
Application number: CN202121095892.XU
Authority: CN
Inventors: 宋国伟; 殷大望
Original assignee: Shenzhen Xinqiang Zhichuang Circuit Board Co ltd
Current assignee: Shenzhen Xinqiang Zhichuang Circuit Board Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-21
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to a printed circuit board processing technology field especially relates to a fixing device is used in printed circuit board processing, to the problem that the background art provided, now proposes following scheme, the on-line screen storage device comprises a base, the base includes bottom plate and two-way screw rod, and the equal spiro union in outer wall both ends of two-way screw rod has the moving mechanism, the moving mechanism includes the movable block of spiro union on the two-way screw rod outer wall, welds in the mounting panel at movable block top, welds in the piece that receives at mounting panel one side inner wall both ends and welds the U template at mounting panel top. The utility model discloses can make fixing device can be applicable to the printed circuit board of some different specifications, it is good to have the flexibility, and convenient to use's characteristics can carry out unsettled centre gripping to printed circuit board's both sides and fix, both can avoid printed circuit board's the back and bottom plate 2's top to damage because of mutual extrusion, also can avoid because of the cracked condition appearance that leads to printed circuit board to extrude the centre gripping to printed circuit board both sides.

Description

Fixing device is used in processing of printed circuit board

Technical Field

The utility model relates to a printed circuit board processing technology field especially relates to a fixing device is used in printed circuit board processing.

Background

Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate. Printed circuit boards have evolved from single-layer to double-sided, multi-layer and flex boards, and have continued to evolve toward high precision, high density and high reliability. The size is continuously reduced, the cost is reduced, and the performance is improved, so that the printed circuit board still keeps strong vitality in the development process of future electronic products. The development trend of the production and manufacturing technology of the future printed circuit board is to develop the printed circuit board in the directions of high density, high precision, fine aperture, fine lead, small spacing, high reliability, multilayering, high-speed transmission, light weight and thin type.

In the process of processing the printed circuit board, in order to enhance the stability of the printed circuit board during processing, a fixing device is generally used for clamping the printed circuit board; however, in the process of using most of the existing printed circuit board fixing devices, due to the fact that the thickness of the printed circuit board is relatively thin, the printed circuit board is easily broken and damaged due to overlarge extrusion force when being fixed, and therefore the printed circuit board is scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fixing device for processing a printed circuit board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fixing device is used in processing of printed circuit board, the on-line screen storage device comprises a base, the base includes bottom plate and two-way screw rod, and the equal spiro union in outer wall both ends of two-way screw rod has the moving mechanism, the moving mechanism includes the spiro union on the two-way screw rod outer wall, welds in the mounting panel at moving block top, welds in the piece that receives at mounting panel one side inner wall both ends and welds in the U template at mounting panel top, the internally mounted of moving mechanism has fixture, and fixture is including installing the push rod motor on U template top inner wall, installing in the centre gripping subassembly at the fixed plate and the cover of push rod motor bottom, the centre gripping subassembly includes stopper, inserted bar, expanding spring and ejector pad.

Preferably, the mounting groove has been seted up at the top of bottom plate, and the both ends inner wall of mounting groove rotates with the both ends of two-way screw rod respectively and is connected, and wherein one end of two-way screw rod runs through one side outer wall of bottom plate and is connected with the crank.

Preferably, one side outer wall of movable block all sets up threaded hole, and the screw thread looks adaptation at screw hole and two-way screw rod outer wall both ends, the jack with push rod motor looks adaptation is seted up at the top of mounting panel.

Preferably, the spout has all been seted up at one side inner wall both ends of mounting panel, and the slider with spout looks adaptation is all welded at one side outer wall both ends of fixed plate.

Preferably, the through-hole with inserted bar looks adaptation is all seted up at the top both ends of fixed plate, and the bottom welding of through-hole and stopper is passed at the top of inserted bar, the bottom of inserted bar and the top welding of ejector pad, and the outer wall of inserted bar is located to the expanding spring cover, and expanding spring's both ends are connected fixedly with the bottom of fixed plate and the top of ejector pad respectively, and the bottom of ejector pad and the top of receiving the piece all bond and have the foam-rubber cushion.

Preferably, the push rod motor is connected with a switch positioned on the outer wall of one side of the bottom plate through a wire, and the switch is connected with an external power supply through a wire.

The utility model has the advantages that:

1. through the thread fit between the two-way screw and the movable mechanisms, the relative positions of the two movable mechanisms on the top of the bottom plate can be adjusted, and the fixing device can be adjusted according to the specification of the processed printed circuit board, so that the fixing device can be suitable for printed circuit boards with different specifications, and has the characteristics of good flexibility and convenient use;

2. through the fixture who sets up mutually supporting with the piece that receives, can carry out unsettled centre gripping to printed circuit board's both sides and fix, both can avoid printed circuit board's the back to damage because of mutual extrusion with the top of bottom plate, also can avoid leading to printed circuit board's cracked condition to appear because of the centre gripping of extrudeing to printed circuit board both sides, set up at the foam-rubber cushion who receives piece top and ejector pad bottom, can prevent to leave the impression on printed circuit board's surface.

Drawings

Fig. 1 is a schematic view of a split structure of a clamping mechanism of a fixing device for processing a printed circuit board according to the present invention;

fig. 2 is a schematic view of an overall structure of a fixing device for processing a printed circuit board according to the present invention;

fig. 3 is a schematic view of a base structure of the fixing device for processing a printed circuit board according to the present invention;

fig. 4 is a schematic structural view of a moving mechanism of the fixing device for processing the printed circuit board according to the present invention.

In the figure: the device comprises a base 1, a base plate 2, a mounting groove 201, a bidirectional screw rod 3, a crank 301, a movable mechanism 4, a clamping mechanism 5, a movable block 6, a mounting plate 7, a sliding chute 701, a pressed block 8, a U-shaped plate 9, a push rod motor 10, a fixing plate 11, a clamping assembly 12, a limiting block 1201, an inserted link 1202, a 1203 extension spring 1204 pushing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a fixing device for processing a printed circuit board, comprising a base 1, wherein the base 1 comprises a bottom plate 2 and a bidirectional screw 3, two ends of the outer wall of the bidirectional screw 3 are respectively screwed with a movable mechanism 4, the top of the bottom plate 2 is provided with a mounting groove 201, inner walls of two ends of the mounting groove 201 are respectively rotatably connected with two ends of the bidirectional screw 3, one end of the bidirectional screw 3 penetrates through the outer wall of one side of the bottom plate 2 and is connected with a crank 301, the movable mechanism 4 comprises a movable block 6, a mounting plate 7, a pressed block 8 and a U-shaped plate 9, the movable block 6 is screwed on the outer wall of the bidirectional screw 3, the bottom of the mounting plate 7 is welded on the top of the movable block 6, the outer wall of one side of the pressed block 8 is welded on two ends of the inner wall of one side of the mounting plate 7, two ends of the bottom of the U-shaped plate 9 are both welded on the top of the mounting plate 7, and are matched with the movable mechanism 4 through threads between the set bidirectional screw 3, the relative positions of the two movable mechanisms 4 on the top of the bottom plate 2 can be adjusted, and the fixing device can be adjusted according to the specification of the processed printed circuit board, so that the fixing device can be suitable for printed circuit boards with different specifications, and has the characteristics of good flexibility and convenience in use;

the clamping mechanism 5 is installed inside the movable mechanism 4, the clamping mechanism 5 comprises a push rod motor 10, a fixed plate 11 and a clamping assembly 12, a threaded hole is formed in the outer wall of one side of the movable block 6 and matched with threads at two ends of the outer wall of the two-way screw 3, a jack matched with the push rod motor 10 is formed in the top of the mounting plate 7, the top of the push rod motor 10 is installed on the inner wall of the top of the U-shaped plate 9, the top of the fixed plate 11 is installed at the bottom of the push rod motor 10, sliding grooves 701 are formed in two ends of the inner wall of one side of the mounting plate 7, sliding blocks 1101 matched with the sliding grooves 701 are welded at two ends of the outer wall of one side of the fixed plate 11, the clamping assembly 12 is sleeved at two ends of the fixed plate 11 and comprises a limiting block 1201, an inserting rod 1202, a telescopic spring 1203 and a push block 1204, through holes matched with the inserting rod 1202 are formed in two ends of the top of the fixed plate 11, the top of the inserting rod 1202 penetrates through the through hole to be welded with the bottom of the limiting block 1201, the bottom of the inserting rod 1202 is welded with the top of the pushing block 1204, the telescopic spring 1203 is sleeved on the outer wall of the inserting rod 1202, two ends of the telescopic spring 1203 are respectively connected and fixed with the bottom of the fixing plate 11 and the top of the pushing block 1204, sponge pads are respectively bonded on the bottom of the pushing block 1204 and the top of the pressed block 8, the push rod motor 10 is connected with a switch positioned on the outer wall of one side of the base plate 2 through a lead, the switch is connected with an external power supply through a lead, the clamping mechanism 5 and the pressed block 8 are matched with each other through arrangement, two sides of the printed circuit board can be clamped and fixed in a suspending way, the damage of the back of the printed circuit board and the top of the base plate 2 due to mutual extrusion can be avoided, the fracture of the printed circuit board due to extrusion clamping of two sides of the printed circuit board can be avoided, the sponge pads are arranged on the top of the pressed block 8 and the bottom of the pushing block 1204, it is possible to prevent the surface of the printed circuit board from being marked.

The working principle is as follows: the crank 301 is rotated according to the specification of the processed printed circuit board, the bidirectional screw 3 is driven to rotate by the rotation of the crank 301, the two movable blocks 6 move relatively through the thread matching between the bidirectional screw rod 3 and the movable blocks 6, the position of the movable mechanisms 4 at the two ends is adjusted through the two movable blocks 6, after the position is adjusted, the two sides of the printed circuit board are placed at the tops of the pressure blocks 8 in the movable mechanisms 4 at the two sides, by starting the switch, the push rod motor 10 extends downwards to drive the fixing plate 11 and the clamping components 12 at the two ends of the fixing plate 11 to move downwards, when the bottom of the push block 1204 in the clamping assembly 12 contacts with the top of the printed circuit board, the extension spring 1203 can make the insertion rod 1202 push the stop block 1201 away from the top of the fixing plate 11 by elastic contraction, therefore, excessive pressure on the printed circuit board is counteracted, and meanwhile, the worker can be reminded that the printed circuit board is clamped and fixed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The fixing device for processing the printed circuit board comprises a base (1) and is characterized in that the base (1) comprises a bottom plate (2) and a two-way screw rod (3), movable mechanisms (4) are screwed at two ends of the outer wall of the two-way screw rod (3), each movable mechanism (4) comprises a movable block (6) screwed on the outer wall of the two-way screw rod (3), a mounting plate (7) welded at the top of the movable block (6), pressure blocks (8) welded at two ends of the inner wall of one side of the mounting plate (7) and a U-shaped plate (9) welded at the top of the mounting plate (7), a clamping mechanism (5) is arranged inside the movable mechanism (4), the clamping mechanism (5) comprises a push rod motor (10) arranged on the inner wall of the top of the U-shaped plate (9), a fixing plate (11) arranged at the bottom of the push rod motor (10) and clamping components (12) sleeved at two ends of the fixing plate (11), the clamping assembly (12) comprises a limiting block (1201), an inserting rod (1202), a telescopic spring (1203) and a push block (1204).

2. The fixing device for processing the printed circuit board according to claim 1, wherein a mounting groove (201) is formed at the top of the bottom plate (2), inner walls of two ends of the mounting groove (201) are respectively rotatably connected with two ends of the bidirectional screw (3), and one end of the bidirectional screw (3) penetrates through an outer wall of one side of the bottom plate (2) and is connected with a crank (301).

3. The fixing device for processing the printed circuit board according to claim 1, wherein the outer wall of one side of the movable block (6) is provided with a threaded hole, the threaded hole is matched with the threads at two ends of the outer wall of the bidirectional screw rod (3), and the top of the mounting plate (7) is provided with a jack matched with the push rod motor (10).

4. The fixing device for processing the printed circuit board according to claim 1, wherein sliding grooves (701) are formed in both ends of an inner wall of one side of the mounting plate (7), and sliding blocks (1101) matched with the sliding grooves (701) are welded to both ends of an outer wall of one side of the fixing plate (11).

5. The fixing device for processing the printed circuit board according to claim 1, wherein through holes matched with the inserting rod (1202) are formed in both ends of the top of the fixing plate (11), the top of the inserting rod (1202) penetrates through the through holes to be welded with the bottom of the limiting block (1201), the bottom of the inserting rod (1202) is welded with the top of the pushing block (1204), the outer wall of the inserting rod (1202) is sleeved with the expansion spring (1203), both ends of the expansion spring (1203) are respectively connected and fixed with the bottom of the fixing plate (11) and the top of the pushing block (1204), and sponge pads are bonded on the bottom of the pushing block (1204) and the top of the pressed block (8).

6. The fixing device for processing the printed circuit board as claimed in claim 1, wherein the push rod motor (10) is connected with a switch on the outer wall of one side of the bottom plate (2) through a lead, and the switch is connected with an external power supply through a lead.