CN217002625U - Vacuum chuck of exposure machine - Google Patents

Abstract

The utility model discloses a vacuum sucker of an exposure machine in the technical field of vacuum suckers, which comprises a sucker body, wherein an inner cavity of the sucker body is provided with an adsorption cavity, the inner cavity of the sucker body is provided with an air passage at the top of the adsorption cavity, the air passage is communicated with the adsorption cavity, the top of the sucker body is in threaded connection with a connecting joint, the connecting end of the connecting joint is connected with the connecting end of the air passage, the inner cavity of the sucker body is fixedly connected with fixing plates at the left side wall and the right side wall of the adsorption cavity, a filter screen is clamped and connected in the adsorption cavity and below the two fixing plates, the vacuum sucker of the exposure machine has reasonable structural design, the bottom of the filter screen is additionally provided with a grid plate, and sponge is filled in the grid plate at the same time, so that the filtering effect of impurities in the sucker body is improved, the adsorption capacity of the product is not influenced by external factors, and the actual working efficiency of the product is ensured.

Description

Vacuum chuck of exposure machine

Technical Field

The utility model relates to the technical field of vacuum chucks, in particular to a vacuum chuck of an exposure machine.

Background

In the manufacturing process of the printed circuit board, an exposure machine is one of the essential devices in the process, the exposure machine is a machine device which transfers image information on a film or other transparent bodies to a surface coated with photosensitive materials through ultraviolet rays, and the exposure machine generally performs adsorption action on the circuit board through a vacuum chuck in the operation process, so that the automation of feeding the circuit board is achieved.

However, strip-shaped scraps are often remained at the corners of the circuit board in the production and manufacturing process, the scraps are adsorbed by the vacuum chuck and are sucked into the vacuum chuck, so that the filter screen in the vacuum chuck is damaged, the filtering effect of the vacuum chuck on impurities is greatly reduced, the adsorption capacity of the vacuum chuck is directly influenced, and the vacuum chuck of the exposure machine is provided for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum chuck of an exposure machine, which aims to solve the problem that strip-shaped scraps are always remained at the corners of a circuit board in the production and manufacturing process, and the scraps are absorbed into the vacuum chuck by the vacuum chuck so as to damage a filter screen in the vacuum chuck.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an exposure machine vacuum chuck, includes the sucking disc body, the inner chamber of sucking disc body has been seted up and has been adsorbed the cavity, the inner chamber of sucking disc body just is located the air flue has been seted up at the top of adsorbing the cavity, just the air flue with be linked together between the adsorption cavity, the top threaded connection of sucking disc body has attach fitting, just attach fitting's link with the link of air flue is connected, the inner chamber of sucking disc body just is located adsorb the equal fixedly connected with fixed plate of the left and right sides wall of cavity, the inside of adsorbing the cavity just is located two the below joint of fixed plate has the filter screen, the inside of adsorbing the cavity just is located the below joint of filter screen has the grid board, the inside packing of grid board has the sponge.

Preferably, the four side walls of the periphery of the sucker body are fixedly connected with mounting brackets, and the bottom of each mounting bracket is fixedly connected with a foaming adhesive tape.

Preferably, the foaming rubber strip is an ethylene propylene diene monomer rubber strip, and the thickness of the foaming rubber strip is not less than 5 mm.

Preferably, the inside of the adsorption cavity is located at the left side and the right side of the bottom of the grid plate, clamping plates are clamped at the left side and the right side of the bottom of the grid plate, the centers of the clamping plates are horizontally aligned with the center of the fixed plate, two locking bolts are connected to the inside of the clamping plates in a threaded mode, and the two locking bolts are far away from the equal threaded connection of one ends of the clamping plates in the inside of the fixed plate.

Preferably, the sucking disc body the filter screen with the grating plate all adopts the polypropylene material to make.

Preferably, all fixedly connected with sealing strip on four lateral walls of grid plate a week, just the lateral wall of sealing strip with the inside wall of adsorbing the cavity is connected.

Compared with the prior art, the utility model has the beneficial effects that:

this exposure machine vacuum chuck, through the bottom at the filter screen installs the grid board additional, fill the sponge in the inside of grid board simultaneously, when using, at first stop the suction of remaining angle material on the circuit board through the grid board, make it avoid causing the damage to the surface of filter screen, the sponge in the rethread grid board keeps apart the processing to the dust that inhales in the air, thereby further improve this internal filter effect to impurity of sucking disc, ensure that the adsorption efficiency of this product does not receive the influence of external factor, guaranteed its actual work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 100. a suction cup body; 110. connecting a joint; 120. mounting a bracket; 121. foaming adhesive tape; 130. an airway; 140. an adsorption chamber; 150. a fixing plate; 160. a filter screen; 170. a grid plate; 171. a sponge; 172. a sealing strip; 180. clamping a plate; 181. and locking the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a vacuum chuck of an exposure machine, which is characterized in that a grating plate 170 is additionally arranged at the bottom of a filter screen 160, and a sponge 171 is filled in the grating plate 170, so that the filtering effect of impurities in a chuck body 100 is improved, the adsorption capacity of the vacuum chuck is not influenced by external factors, the actual working efficiency is ensured, and please refer to fig. 1-4, wherein the vacuum chuck comprises a chuck body 100;

referring to fig. 1-4 again, the suction cup body 100 has an inner cavity with an adsorption chamber 140, the inner cavity of the suction cup body 100 is provided with an air passage 130 at the top of the adsorption chamber 140, the air passage 130 is communicated with the adsorption chamber 140, the top of the suction cup body 100 is connected with a connection joint 110 by a screw thread, the connection end of the connection joint 110 is connected with the connection end of the air passage 130, the inner cavity of the suction cup body 100 is fixedly connected with a fixing plate 150 at the left and right side walls of the adsorption chamber 140, a filter screen 160 is clamped inside the adsorption chamber 140 and below the two fixing plates 150, a grid plate 170 is clamped inside the adsorption chamber 140 and below the filter screen 160, a sponge 171 is filled inside the grid plate 170, the suction cup body 100 is used for connecting and fixing the connection joint 110 and the fixing plate 150, the connection joint 110 is used for connecting with an external air nozzle, air flue 130 is used for putting through between the gas that connector 110 transmitted and the absorption chamber 140, absorption chamber 140 is used for storing the atmospheric pressure of transmission in air flue 130, fixed plate 150 is used for placing filter screen 160 and grid plate 170's use, filter screen 160 and grid plate 170 all are used for in the impurity inflow to absorption chamber 140 in preventing the outside air, in order to guarantee the availability factor of this product, sponge 171 is used for filling the processing to the gap in grid plate 170, when guaranteeing the transport of the interior air current of grid plate 170, prevent that the fine impurity in the outside air from passing through.

Referring to fig. 1-4 again, in order to effectively prevent the surface of the circuit board from being damaged by the suction cup body 100 due to pressure by using the foaming rubber strip 121, the four sidewalls of the circumference of the suction cup body 100 are all fixedly connected with the mounting brackets 120, and the bottoms of the four mounting brackets 120 are all fixedly connected with the foaming rubber strip 121.

Referring to fig. 1-4 again, in order to facilitate later-stage workers to purchase the foaming rubber strip 121 and improve the utilization efficiency of the foaming rubber strip 121, the foaming rubber strip 121 is an epdm rubber strip, and the thickness of the foaming rubber strip 121 is not less than 5 mm.

Referring to fig. 1-4 again, in order to lock the usage positions of the filter screen 160 and the grid plate 170 and prevent the filter screen 160 and the grid plate 170 from shaking due to the absorption force, the clamping plates 180 are clamped inside the absorption chamber 140 and on the left and right sides of the bottom of the grid plate 170, the centers of the clamping plates 180 and the center of the fixing plate 150 are horizontally aligned, the two locking bolts 181 are connected to the internal threads of the clamping plates 180, and the ends of the two locking bolts 181 far away from the clamping plates 180 are all connected to the inside of the fixing plate 150 by threads.

Referring to fig. 1-4 again, in order to effectively reduce the overall weight of the product and improve the overall material strength compared to the conventional product, so as to handle higher wind pressure, the suction cup body 100, the filter screen 160 and the grid plate 170 are made of polypropylene.

Referring to fig. 1-4 again, in order to improve the connection sealing performance between the grid plate 170 and the adsorption chamber 140, sealing strips 172 are fixedly connected to four sidewalls of a circumference of the grid plate 170, and an outer sidewall of each sealing strip 172 is connected to an inner sidewall of the adsorption chamber 140.

In a specific use, a person skilled in the art firstly places the filter screen 160 on the fixing plate 150, then places the filter screen 160 on the filter screen 160, then coats glue on the inner side walls of the through holes in the grid plate 170, then fills the sponge 171 into the through holes in the grid plate 170, places the clamping plates 180 on the left and right sides of the bottom of the grid plate 170, and ensures that the positions between the clamping plates 180 and the fixing plate 150 are horizontally aligned, screws the locking bolts 181 into the clamping plates 180 by using a tool, presses the clamping plates 180 upwards by using the locking bolts 181, thereby fixedly mounting the grid plate 170 and the filter screen 160 below the fixing plate 150, finally screws one end of the connecting joint 110 into the air passage 130 in the suction cup body 100, then connects the other end of the connecting joint 110 with the nozzle of an external air pump, and inputs air pressure into the adsorption chamber 140 through the air passage 130 by starting the external air pump by using the connecting joint 110, thereby, the air pressure in the adsorption chamber 140 is adjusted, and the adsorption force is formed by the air pressure difference in the adsorption chamber 140, and the surface of the external circuit board is adsorbed and taken by the adsorption force.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the utility model has been described with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides an exposure machine vacuum chuck which characterized in that: comprises a sucker body (100), an adsorption cavity (140) is arranged in an inner cavity of the sucker body (100), an air passage (130) is arranged at the top of the adsorption cavity (140) and positioned in the inner cavity of the sucker body (100), the air passage (130) is communicated with the adsorption cavity (140), a connecting joint (110) is in threaded connection with the top of the sucker body (100), the connecting end of the connecting joint (110) is connected with the connecting end of the air passage (130), fixing plates (150) are fixedly connected with the left side wall and the right side wall of the adsorption cavity (140) and positioned in the inner cavity of the sucker body (100), a filter screen (160) is clamped and connected in the inner part of the adsorption cavity (140) and positioned below the two fixing plates (150), a grid plate (170) is clamped and connected in the inner part of the adsorption cavity (140) and positioned below the filter screen (160), the interior of the grid plate (170) is filled with sponge (171).

2. The vacuum chuck of claim 1, wherein: the novel sucker is characterized in that mounting supports (120) are fixedly connected to four side walls of the sucker body (100) in one circle, and foaming rubber strips (121) are fixedly connected to the bottoms of the mounting supports (120).

3. The vacuum chuck of claim 2, wherein: the foaming rubber strip (121) is an ethylene propylene diene monomer rubber strip, and the thickness of the foaming rubber strip (121) is not less than 5 mm.

4. The vacuum chuck of claim 1, wherein: clamping plates (180) are clamped on the left side and the right side of the bottom of the grid plate (170) inside the adsorption cavity (140), the centers of the clamping plates (180) are horizontally aligned with the center of the fixing plate (150), two locking bolts (181) are in threaded connection inside the clamping plate (180), and one ends, far away from the clamping plates (180), of the two locking bolts (181) are in threaded connection inside the fixing plate (150).

5. The vacuum chuck of claim 1, wherein: the sucker body (100), the filter screen (160) and the grating plate (170) are all made of polypropylene materials.

6. The vacuum chuck of claim 1, wherein: all fixedly connected with sealing strip (172) on four lateral walls of grid plate (170) a week, just the lateral wall of sealing strip (172) with the inside wall of adsorption cavity (140) is connected.

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