CN201467566U - Vacuum flexible thimble movable bracket - Google Patents

Abstract

The utility model relates to the technical field of printed circuit board brackets, and particularly refers to a vacuum flexible ejector pin movable bracket; the utility model comprises a base, an ejector pin, an upper fixed limit plate, a dynamic limit plate, a driving rod and a clamping handle; the upper fixed limit plate with an upper ejector pin hole is fixed on the upper end surface of a cavity, the upper end of the ejector pin extends upward from the upper ejector pin hole, the dynamic limit plate with an ejector pin hole is located below the upper fixed limit plate, the ejector pin is movably inserted in the corresponding ejector pin hole, the driving rod and the clamping handle are arranged on one side of the base, the first end of the driving rod is connected to or abuts against the dynamic limit plate, the first end of the clamping handle is connected to or abuts against the clamping handle, and when the clamping handle is driven, the clamping handle drives the dynamic limit plate to move through the driving rod to clamp each ejector pin at a set position; the utility model can keep the printed circuit board on a horizontal plane, and the ejector pin will not damage the printed circuit board and the components on the printed circuit board.

Description

A vacuum flexible thimble movable bracket

technical field

The utility model relates to the technical field of printed circuit board brackets, in particular to a vacuum flexible thimble movable bracket.

Background technique

When the printed circuit board is processed, it is necessary to use the thimble movable bracket to fix the printed circuit board, so as to facilitate the transfer of the printed circuit board and the printing of circuits and soldering components on it. The thimbles on the thimble movable bracket used to fix the printed circuit board in the prior art are not adjustable, and the thimbles are fixed. When the thimble movable bracket is used to fix the double-sided printed circuit board, the thimble on the thimble movable bracket will be against the components of the printed circuit board. When the second side of the printed circuit board is processed, the thimble movable bracket cannot Keeping the printed circuit board on a horizontal plane is not conducive to printing and soldering components on the printed circuit by automated equipment, and the ejector pins are easy to damage the components on the printed circuit board.

Utility model content

The purpose of this utility model is to provide a vacuum flexible thimble movable bracket for the deficiencies of the prior art, which can keep the printed circuit board on a horizontal plane, and the thimble will not damage the printed circuit board and the components on the printed circuit board.

In order to achieve the above object, the utility model is achieved through the following technical solutions:

A vacuum flexible thimble movable bracket, including a base, a thimble, an upper positioning limiting plate, a moving limiting plate, a driving rod and a clamping handle, the base is provided with a cavity, and the upper positioning limiting plate is fixed in the cavity of the base The upper end surface of the upper limit plate is provided with an upper thimble hole, and the upper end of the thimble protrudes upwards from the corresponding upper thimble hole. The movable limit plate is arranged in the cavity of the base, and the movable limit plate is located on the Below the upper positioning limit plate, there are thimble holes corresponding to the upper thimble holes on the moving limit plate. On one side, the first end of the driving rod is connected to or against the moving limit plate, and the first end of the clamping handle is connected to or against the driving rod. When the clamping handle is driven, the clamping handle moves through the driving rod to drive the moving limit plate. Clamp each thimble at the set position.

A lower fixed limiting plate is arranged inside the base, and the lower fixed limiting plate is located below the moving limiting plate.

The lower thimble hole corresponding to the upper thimble hole is opened on the lower positioning limiting plate, and the lower end of the thimble is movably inserted in the lower thimble hole.

The lower end of the thimble is formed with a boss.

A thimble spring is arranged on the moving limiting plate, and the thimble spring is movably placed in the thimble hole of the moving limiting plate and the lower thimble hole of the thimble of the lower fixing limiting plate. The lower end of the spring bears against the inner surface of the lower limiting plate or the base.

The first end of the driving rod extends into the cavity of the base, the first end of the driving rod is connected to or abuts against the end face of the moving limit plate, the end face of the first side of the base is provided with a through hole, and the second end of the driving rod The end protrudes from the through hole, the clamping handle is hinged on the end surface of the first side of the base, and the inner side of the clamping handle is connected or abutted against the second end of the matching driving rod.

The inner side of the clamping handle is provided with a cam surface for pushing the driving rod, and the outer side of the clamping handle is provided with a power rod that can be manually driven or driven by a power device.

The base is provided with a return spring, the return spring is provided on the second side of the base, one end of the return spring is against the inner end surface of the base, and the other end of the return spring is against the end surface of the moving limiting plate.

The outer end of the second side of the base is connected with a vacuum suction seat for connecting the vacuum device, and the vacuum suction seat communicates with the cavity of the base; a vacuum adsorption hole is opened on the upper positioning limit plate, and the vacuum adsorption hole communicates with the cavity and the upper Determine the space above the limiter plate.

The base is made of a thin-walled aluminum profile and is hollow inside. The end faces of the first side and the second side of the base are respectively provided with end panels, and a cavity is formed inside the base. The clamping handle and the vacuum suction seat are respectively arranged on On the end panels of the first side and the second side of the base, the upper end surface of the base is provided with a gap for installing the upper limit plate, and the upper end surface of the upper limit plate is lower than the upper end surface of the base.

Beneficial effects of the utility model: the utility model includes a base, a thimble, an upper limit plate, a moving limit plate, a driving rod and a clamping handle, and a cavity is opened on the base, and the upper limit plate is fixed in the cavity of the base. On the upper end surface of the cavity, the upper positioning limit plate is provided with an upper thimble hole, and the upper end of the thimble protrudes upwards from the corresponding upper thimble hole. The movable limit plate is arranged in the cavity of the base, and the movable limit plate Located under the upper positioning limit plate, there are thimble holes corresponding to the upper thimble holes on the moving limit plate, and the thimbles are movably inserted in the corresponding thimble holes, and the driving rod and clamping handle are set on the base The first end of the driving rod is connected to or against the moving limit plate, and the first end of the clamping handle is connected or against the driving rod. When the clamping handle is driven, the clamping handle drives the moving limit plate to move through the driving rod. Instead, each thimble is clamped at the set position; it can keep the printed circuit board in a horizontal plane, and the thimble will not damage the printed circuit board and the components on the printed circuit board.

Another beneficial effect of the utility model: the utility model is connected with a vacuum suction seat for connecting a vacuum device at the outer end of the second side of the base, and the vacuum suction seat communicates with the cavity of the base; The suction hole, the vacuum suction hole connects the cavity and the space above the upper limit plate; through the vacuum suction hole, the printed circuit board placed above the thimble can be sucked, so that the printed circuit board is fixed on the top of the thimble, which simplifies the structure and uses convenient.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the perspective view of the utility model;

Fig. 3 is an exploded schematic view of the utility model.

Detailed ways

The embodiment of a vacuum flexible thimble movable bracket of the utility model is shown in Figures 1 to 3, including a base 1, a plurality of thimbles 2, an upper positioning limit plate 6, a moving limit plate 7, a drive rod 8 and Clamping the handle 9, a cavity 5 is opened on the base 1, wherein the base 1 is a base 1 made of thin-walled aluminum profiles and the interior is hollow, and the end faces of the first side and the second side of the base 1 are respectively provided with The end panel 18 forms a cavity 5 inside the base 1 . Each thimble 2 is not connected to each other, and each thimble 2 can move independently.

The upper end surface of the cavity 5 of the upper fixed limit plate 6 is fixed on the base 1, and it is further pointed out that the upper end surface of the base 1 is provided with a gap for installing the upper fixed limit plate 6, and the upper end surface of the upper fixed limit plate 6 It is lower than the upper end surface of the base 1 , so that a space platform for placing the printed circuit board is formed on the upper end surface of the base 1 .

The upper positioning limit plate 6 is provided with an upper thimble hole 3, and the upper end of the thimble 2 protrudes upward from the corresponding upper thimble hole 3, and the movable limit plate 7 is arranged in the cavity 5 of the base 1, The movable limit plate 7 is located below the upper fixed limit plate 6, and the movable limit plate 7 is provided with a thimble hole 10 corresponding to the upper thimble hole 3 one by one, and the thimble 2 is movably inserted in the corresponding thimble hole 10 Among them, the base 1 is provided with a lower fixed limit plate 11, which is located below the movable limit plate 7, and the lower fixed limit plate 11 is provided with lower holes corresponding to the upper thimble holes 3 one by one. The thimble hole 4, the lower end of the thimble 2 is movably inserted in the lower thimble hole 4. The lower end of the thimble 2 is formed with a boss 12. The movable limiting plate 7 is provided with a thimble spring 13, and the thimble spring 13 is movable. Based on the thimble hole 10 of the movable limiter 7 and the lower thimble hole 4 of the lower limiter 11, the upper end of the thimble spring 13 is against the bottom surface of the boss 12, and the lower end of the thimble spring 13 is against the lower limiter 11 or the inner surface of the base 1. It is further pointed out that the thimble 2 is inserted into the upper thimble hole 3 of the upper positioning limit plate 6 and the thimble hole 10 of the moving limit plate 7. When the thimble 2 is pressed down, the thimble The lower end of 2 can also be inserted in the lower thimble hole 4 of the lower positioning plate 11. When the thimble 2 is clamped, the middle part of the thimble 2 is squeezed by the thimble hole 10 of the limiting plate 7, and the upper end of the thimble 2 is obtained. Supported by the upper thimble hole 3, the lower end of the thimble 2 is supported by the lower thimble hole 4, and the upper and lower forces of the thimble 2 are balanced to increase the balance of the thimble 2. When the thimble 2 is fixed, the thimble 2 will not be skewed. In addition, in the initial In this state, the upper thimble hole 3 of the upper fixed limit plate 6, the thimble hole 10 of the movable limit plate 7, and the lower thimble hole 4 of the lower fixed limit plate 11 are vertically aligned, and the thimble 2 is pushed upward by the thimble spring 13. Lifting. For example, the lower surface of the printed circuit board has been installed with components. When the lower surface of the printed circuit board is pressed above the ejector pin 2, the upper surface of the printed circuit board is limited to the horizontal plane, and the lower surface of the printed circuit board and The components on it press down each thimble 2 respectively, and each thimble 2 is independent of each other, and each thimble 2 can be pressed down by different distances, which ensures that the upper surface of the printed circuit board remains on a horizontal plane.

The base 1 is provided with a return spring 15, the return spring 15 is arranged on the second side of the base 1, one end of the return spring 15 is against the inner end surface of the base 1, and the other end of the return spring 15 is against the moving limit plate 7 end face. The return spring 15 is used to force the moving limiting plate 7 to reset.

The driving rod 8 and the clamping handle 9 are arranged on one side of the base 1, the first end of the driving rod 8 is connected to or abuts against the moving limit plate 7, and the first end of the clamping handle 9 is connected or abutted against the driving rod 8 When the clamping handle 9 is driven, the clamping handle 9 drives the moving limit plate 7 to move through the driving rod 8 to clamp each thimble 2 at a set position. It is further pointed out that the first end of the driving rod 8 extends into the cavity 5 of the base 1, the first end of the driving rod 8 is connected to or abuts against the end face of the moving limit plate 7, and the end face of the first side of the base 1 is opened There is a through hole, the second end of the driving rod 8 protrudes from the through hole, the clamping handle 9 is hinged on the end surface of the first side of the base 1, and the inner side of the clamping handle 9 is connected or abutted against the second end of the driving rod 8 . end. It is further pointed out that the inner side of the clamping handle 9 is provided with a cam surface for pushing the driving rod 8, the hinge shaft of the clamping handle 9 is arranged between the cam surface and the power rod 14, and the outer side of the clamping handle 9 is provided with a Power bar 14 driven manually or powered. When the power rod 14 is driven manually or by a power device, the power rod 14 rotates the clamping handle 9, and the cam surface on the inside of the clamping handle 9 pushes against the driving rod 8, pushing the driving rod 8 into the cavity 5, and the driving rod 8 then Push the moving limiting plate 7 to move to the second side of the base 1, after the moving limiting plate 7 moves, the thimble hole 10 of the moving limiting plate 7 is misaligned with the upper thimble hole 3 of the upper positioning limiting plate 6, and the moving limiting plate The thimble hole 10 of the plate 7 is also misplaced with the lower thimble hole 4 of the lower fixed limit plate 11, the upper thimble hole 3 of the upper fixed limit plate 6, the thimble hole 10 of the movable limit plate 7 and the lower fixed limit plate. The lower thimble hole 4 of the board 11 clamps each thimble 2, and then fixes each thimble 2, and keeps each thimble 2 at the corresponding position. After canceling the restrictions or constraints of the printed circuit board, each thimble 2 supports Printed circuit board, and keep the printed circuit board on the horizontal plane, and will not damage the printed circuit board and the components on it; when resetting, drive the power lever 14 by hand or power device, so that the clamping handle 9 is reversely rotated and reset , the cam surface on the inner side of the clamping handle 9 retreats, the driving rod 8 no longer presses the moving limit plate 7, and the moving limit plate 7 resets under the action of the return spring 15, and the thimble hole 10 of the moving limit plate 7 is aligned with the upper fixed plate. The upper thimble hole 3 of the limit plate 6 is aligned and reset up and down, the thimble hole 10 of the movable limit plate 7 is aligned with the lower thimble hole 4 of the lower limit plate 11 and resets up and down, and the thimble 2 is moved upward under the action of the thimble spring 13 Extend to reset.

The outer end of the second side of the base 1 is connected with a vacuum suction seat 16 for connecting to a vacuum device, and the vacuum suction seat 16 communicates with the cavity 5 of the base 1; the upper positioning plate 6 is provided with a vacuum suction hole 17, and the vacuum suction The suction hole 17 communicates with the cavity 5 and the space above the upper limit plate 6, and the clamping handle 9 and the vacuum suction seat 16 are respectively arranged on the end panels 18 on the first side and the second side of the base 1. Through the vacuum suction seat 16 The cavity 5 can be connected to a vacuum device to form a vacuum or negative pressure in the cavity 5. During operation, the printed circuit board placed on the thimble 2 is adsorbed through the vacuum suction hole 17, and the printed circuit board is fixed.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (10)

1. A vacuum flexible thimble movable bracket, comprising a base (1), a thimble (2) and an upper limiting plate (6), the base (1) is provided with a cavity (5), and an upper limiting plate ( 6) Fixed on the upper end surface of the cavity (5) of the base (1), the upper positioning plate (6) is provided with an upper thimble hole (3), and the upper end of the thimble (2) is connected from the corresponding upper thimble It protrudes upwards from the hole (3), and it is characterized in that it also includes a moving limiting plate (7), a driving rod (8) and a clamping handle (9), and the moving limiting plate (7) is arranged on the base (1) In the cavity (5), the movable limit plate (7) is located below the upper fixed limit plate (6), and the movable limit plate (7) is provided with top pinholes (3) corresponding to each other. The needle hole (10), the thimble (2) is movably inserted in the corresponding thimble hole (10), the driving rod (8) and the clamping handle (9) are arranged on one side of the base (1), and the driving rod (8 ) is connected to or abuts against the moving limit plate (7), and the first end of the clamping handle (9) is connected or abutted against the driving rod (8), and the clamping handle (9) is clamped when the clamping handle (9) is driven. ) through the driving rod (8) to drive the moving limit plate (7) to move to clamp each thimble (2) at the set position. 2. A vacuum flexible thimble movable bracket according to claim 1, characterized in that: the base (1) is provided with a lower fixed limit plate (11), and the lower fixed limit plate (11) is located at the movable limit below the plate (7). 3. A vacuum flexible thimble movable bracket according to claim 2, characterized in that: the lower thimble hole (11) is provided with a lower thimble hole corresponding to the upper thimble hole (3) one by one (4), the lower end of the thimble (2) is movably inserted in the lower thimble hole (4). 4. A vacuum flexible thimble movable bracket according to claim 3, characterized in that: a boss (12) is formed on the lower end of the thimble (2). 5. A vacuum flexible thimble movable bracket according to claim 4, characterized in that: the thimble spring (13) is arranged on the moving limit plate (7), and the thimble spring (13) is placed at the moving limit The thimble hole (10) of the positioning plate (7) and the lower thimble hole (4) of the lower positioning plate (11), the upper end of the thimble spring (13) is against the bottom surface of the boss (12), and the thimble spring ( The lower end of 13) butts against the inner surface of the lower limiting plate (11) or the base (1). 6. A vacuum flexible thimble movable bracket according to claim 5, characterized in that: the first end of the driving rod (8) extends into the cavity (5) of the base (1), and the driving rod The first end of (8) connects or touches the end surface of the moving limit plate (7), the end surface of the first side of the base (1) is provided with a through hole, and the second end of the driving rod (8) protrudes from the through hole , the clamping handle (9) is hinged on the end face of the first side of the base (1), and the inner side of the clamping handle (9) is connected or butted against the second end of the driving rod (8). 7. A vacuum flexible thimble movable bracket according to claim 6, characterized in that: the inner side of the clamping handle (9) is provided with a cam surface for pushing the driving rod (8), and the clamping handle (9) ) is provided with a power rod (14) that can be manually driven or driven by a power device. 8. A vacuum flexible thimble movable bracket according to claim 7, characterized in that: a return spring (15) is arranged in the base (1), and the return spring (15) is set on the second side of the base (1). On the side, one end of the back-moving spring (15) abuts against the inner end face of the base (1), and the other end of the back-moving spring (15) abuts against the end face of the moving limiting plate (7). 9. A vacuum flexible thimble movable bracket according to any one of claims 1 to 8, characterized in that: the outer end of the second side of the base (1) is connected with a vacuum suction seat ( 16), the vacuum suction seat (16) communicates with the cavity (5) of the base (1); the upper positioning plate (6) is provided with a vacuum adsorption hole (17), and the vacuum adsorption hole (17) communicates with the cavity (5) ) and the space above the upper limit plate (6). 10. A vacuum flexible thimble movable bracket according to claim 9, characterized in that: the base (1) is a hollow base (1) made of thin-walled aluminum profiles, the base (1) The end faces of the first side and the second side are respectively provided with end panels (18), and a cavity (5) is formed inside the base (1), and the clamping handle (9) and the vacuum suction seat (16) are respectively arranged on the base (1) On the end panels (18) of the first side and the second side, the upper end surface of the base (1) is provided with a gap for installing the upper limit plate (6), and the upper end surface of the upper limit plate (6) is lower than The upper end surface of the base (1).

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