CN212422510U

CN212422510U - Aluminum alloy printing vacuum base

Info

Publication number: CN212422510U
Application number: CN202020995562.5U
Authority: CN
Inventors: 全崇廷
Original assignee: Chongqing Jiuqian Electronic Technology Co Ltd
Current assignee: Chongqing Jiuqian Electronic Technology Co Ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-29
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses an aluminum alloy printing vacuum base, the on-line screen storage device comprises a base, base bilateral symmetry fixedly connected with loading board, fixed mounting has the vacuum pump on the loading board, negative pressure chamber has been seted up in the base, fixedly connected with grid plate on the base, a plurality of absorption holes have been seted up on the grid plate, and are a plurality of absorption hole is the even array distribution of rectangle, fixedly connected with limiting plate on the negative pressure intracavity wall, it has a plurality of guide bars, every to slide to alternate on the limiting plate the upper end of guide bar all is equipped with sealing mechanism. The utility model discloses a pulling push rod drives the permanent magnet slide bar and moves to the outside for mutual repulsion force between powerful magnet and the permanent magnet slide bar disappears, drives the guide bar and moves down under the effect of spring force, makes sealed the pad no longer support the grid plate, thereby control adsorbs the uncovered quantity in hole, and then controls the adsorption plane size of grid plate, adapts to the absorption of the big or small object in different bottom surfaces, and the use flexibility is higher.

Description

Aluminum alloy printing vacuum base

Technical Field

The utility model relates to a printing technology field especially relates to an aluminum alloy printing vacuum base.

Background

Patent document CN205631672U discloses a vacuum base for a printing machine, which comprises a hollow support base body, a PCB printing base plate and a fixed magnet, wherein the support base body comprises a hollow cavity; the PCB printing base plate is arranged on the supporting base body, a through hole is formed in the middle of the PCB printing base plate and is communicated with the hollow cavity, limiting bosses, namely a first limiting boss and a second limiting boss, are arranged on two corresponding sides of the PCB printing base plate respectively, and the distance between the first limiting boss and the second limiting boss is equal to the length or the width of the PCB; the fixed magnet is connected with the side wall of the support base body, and the bottom of the fixed magnet is connected with the track of the printing machine. The device improves the printing quality, improves the first pass rate of product printing, and can reach more than 95 percent; and when changing the line, easy operation has improved the line efficiency of changeing.

But because the adsorption hole on the adsorption plane of vacuum base is fixed, this also leads to the unable change of adsorption plane size of base during operation, when needing some objects that the bottom surface is less, other adsorption holes are uncovered, lead to the adsorption effect variation of whole object, and the flexibility of use is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "because the adsorption hole on the adsorption plane of vacuum base is fixed, this adsorption plane size that also leads to the base during operation can't change, when needing the less object in some bottom surfaces, other adsorption holes are spacious and leak, lead to the adsorption effect variation of whole object, use the not high defect of flexibility" to an aluminum alloy printing vacuum base is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an aluminum alloy printing vacuum base comprises a base, wherein bearing plates are symmetrically and fixedly connected with two sides of the base, a vacuum pump is fixedly arranged on the bearing plate, a negative pressure cavity is arranged in the base, a grid plate is fixedly connected on the base, the grid plate is provided with a plurality of adsorption holes which are distributed in a rectangular uniform array, a limiting plate is fixedly connected on the inner wall of the negative pressure cavity, a plurality of guide rods are slidably inserted in the limiting plate, a sealing mechanism is arranged at the upper end of each guide rod, a strong magnet is fixedly connected at the bottom end of each guide rod, a spring is sleeved on each guide rod, one end of the spring is fixedly connected to the powerful magnet, the other end of the spring is fixedly connected to the limiting plate, permanent magnet slide bars are symmetrically inserted into the two sides of the base in a sliding mode, and annular sealing rings are arranged between the permanent magnet slide bars and the base.

Preferably, the sealing mechanism comprises a pressure plate, the pressure plate is fixedly connected to the upper end of the guide rod, and a sealing gasket is fixedly connected to the upper side of the pressure plate.

Preferably, an exhaust pipe is fixedly connected to an exhaust end of the vacuum pump, the exhaust pipe extends into the negative pressure cavity, and a control valve is arranged on the exhaust pipe.

Preferably, the inner wall of the negative pressure cavity is fixedly connected with a guide rail plate, the bottom side of the permanent magnet slide bar is fixedly connected with a damping block, and the guide rail plate is provided with a damping groove matched with the damping block.

Preferably, a push rod is fixedly connected to the permanent magnet slide rod, and a rubber sleeve is sleeved on the push rod.

Compared with the prior art, the beneficial effects of the utility model are that: the permanent magnet slide bars are driven to move outwards by pulling the push rods, so that mutual repulsion force between the powerful magnets and the permanent magnet slide bars disappears, the guide rods are driven to move downwards under the action of spring elasticity, the sealing gaskets do not abut against the grid plates any more, the opening and leakage quantity of the adsorption holes is controlled, the size of the adsorption surfaces of the grid plates is controlled, the grid plates are adaptive to adsorption of objects with different bottom surface sizes, and the use flexibility is higher; drive the inside slip of permanent magnet slide bar through promoting the push rod, when the permanent magnet slide bar removed the below of powerful magnet, through the mutual repulsion between permanent magnet slide bar and the powerful magnet for the guide bar upwards slides and drives the spring and compress, and the clamp plate drives sealed the pad and shifts up, thereby plugs up the absorption hole on the same column and seals convenient operation.

Drawings

Fig. 1 is a schematic front structural view of an aluminum alloy printing vacuum base provided by the present invention;

fig. 2 is a schematic side view of the platen.

In the figure: the method comprises the following steps of 1-base, 2-vacuum pump, 3-exhaust pipe, 4-control valve, 5-negative pressure cavity, 6-guide rail plate, 7-grid plate, 8-permanent magnet slide bar, 9-push rod, 10-adsorption hole, 11-limit plate, 12-press plate, 13-strong magnet, 14-guide rod, 15-spring and 16-sealing gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-2, an aluminum alloy printing vacuum base, including base 1, base 1 bilateral symmetry fixedly connected with loading board, fixed mounting has vacuum pump 2 on the loading board, the exhaust end fixedly connected with exhaust tube 3 of vacuum pump 2, exhaust tube 3 extends to in the negative pressure chamber 5, be equipped with control valve 4 on the exhaust tube 3, after starting vacuum pump 2 after opening control valve 4, take out negative pressure chamber 5 to be the negative pressure state under the intercommunication of exhaust tube 3, negative pressure chamber 5 has been seted up in the base 1, fixedly connected with grid plate 7 on the base 1, grid plate 7 is the aluminum alloy material, grid plate 7 is last to have seted up a plurality of absorption holes 10, a plurality of absorption holes 10 are the even array distribution of rectangle, fixedly connected with limiting plate 11 on the 5 inner walls in negative pressure chamber, sliding cross-insert on limiting plate 11 has a plurality of guide bars 14.

The upper end of each guide rod 14 is provided with a sealing mechanism, the sealing mechanism comprises a pressure plate 12, the pressure plate 12 and the grid plate 7 are equal in width, the pressure plate 12 is fixedly connected to the upper end of each guide rod 14, and a sealing gasket 16 is fixedly connected to the upper side of the pressure plate 12. By controlling the pressing plate 12 to move upwards, the sealing gasket 16 can block the adsorption holes 10 in the same longitudinal column for sealing, the bottom end of each guide rod 14 is fixedly connected with a strong magnet 13, each guide rod 14 is sleeved with a spring 15, one end of each spring 15 is fixedly connected to the strong magnet 13, the other end of each spring 15 is fixedly connected to the limiting plate 11, permanent magnet slide rods 8 are symmetrically inserted in the two sides of the base 1 in a sliding mode, the inner wall of the negative pressure cavity 5 is fixedly connected with a guide rail plate 6, the bottom side of each permanent magnet slide rod 8 is fixedly connected with a damping block, the guide rail plate 6 is provided with a damping groove matched with the damping block, the damping block is attached to the damping groove to move, the permanent magnet slide rods 8 have strong static friction force when the permanent magnet slide rods 8 are static due to the matching between the damping block and the damping groove, so as to avoid the slipping of the permanent magnet slide, the push rod 9 is sleeved with a rubber sleeve, and the permanent magnet slide rod 8 is controlled to stretch and retract by pushing and pulling the push rod 9.

When the device is used, the permanent magnet slide bar 8 is driven to move outwards by pulling the push rod 9, so that the mutual repulsive force between the strong magnet 13 and the permanent magnet slide bar 8 disappears, the guide bar 14 is driven to move downwards by the elastic force of the spring 15, so that the sealing gasket 16 is not abutted against the grid plate 7 any more, thereby controlling the open amount of the adsorption holes 10, thereby controlling the size of the adsorption surface of the grid plate 7, adapting to the adsorption of objects with different bottom surfaces, having higher use flexibility, driving the permanent magnet slide bar 8 to slide inwards by pushing the push rod 9, when the permanent magnet slide bar 8 moves below the strong magnet 13, through the mutual repulsion between the permanent magnet slide bar 8 and the strong magnet 13, the guide rod 14 slides upwards to drive the spring 15 to compress, and the pressing plate 12 drives the sealing gasket 16 to move upwards, so that the adsorption holes 10 in the same column are blocked for sealing, and the operation is convenient.

Claims

1. The aluminum alloy printing vacuum base comprises a base (1) and is characterized in that bearing plates are symmetrically and fixedly connected with two sides of the base (1), a vacuum pump (2) is fixedly mounted on each bearing plate, a negative pressure cavity (5) is formed in each base (1), a grid plate (7) is fixedly connected onto each base (1), a plurality of adsorption holes (10) are formed in each grid plate (7), the adsorption holes (10) are distributed in a rectangular uniform array mode, a limiting plate (11) is fixedly connected onto the inner wall of each negative pressure cavity (5), a plurality of guide rods (14) are slidably inserted into each limiting plate (11), a sealing mechanism is arranged at the upper end of each guide rod (14), a powerful magnet (13) is fixedly connected to the bottom end of each guide rod (14), and a spring (15) is sleeved on each guide rod (14), one end fixed connection of spring (15) is on powerful magnet (13), the other end fixed connection of spring (15) is on limiting plate (11), base (1) bilateral symmetry slides and alternates there is permanent magnetism slide bar (8), be equipped with ring packing between permanent magnetism slide bar (8) and base (1).

2. The aluminum alloy printing vacuum base as claimed in claim 1, wherein the sealing mechanism comprises a pressure plate (12), the pressure plate (12) is fixedly connected to the upper end of the guide rod (14), and a sealing gasket (16) is fixedly connected to the upper side of the pressure plate (12).

3. The aluminum alloy printing vacuum base as claimed in claim 1, wherein an exhaust pipe (3) is fixedly connected to an exhaust end of the vacuum pump (2), the exhaust pipe (3) extends into the negative pressure cavity (5), and a control valve (4) is arranged on the exhaust pipe (3).

4. The aluminum alloy printing vacuum base as claimed in claim 1, wherein a guide rail plate (6) is fixedly connected to the inner wall of the negative pressure cavity (5), a damping block is fixedly connected to the bottom side of the permanent magnet slide bar (8), and a damping groove matched with the damping block is formed in the guide rail plate (6).

5. The aluminum alloy printing vacuum base as claimed in claim 1, wherein a push rod (9) is fixedly connected to the permanent magnet slide rod (8), and a rubber sleeve is sleeved on the push rod (9).