CN217936096U

CN217936096U - Supporting plate and PCB drilling machine workbench

Info

Publication number: CN217936096U
Application number: CN202221275917.9U
Authority: CN
Inventors: 姜华; 黎勇军; 杨朝辉
Original assignee: Shenzhen Hans CNC Technology Co Ltd
Current assignee: Shenzhen Hans CNC Technology Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-29
Anticipated expiration: 2032-05-25

Abstract

The embodiment of the utility model discloses a backup pad and PCB drilling machine workstation belongs to PCB drilling machine field. The utility model provides a support plate, it is dull and stereotyped including support core, braced frame body, first flat board and second, first flat board the support core with the second flat board is range upon range of the setting in proper order, braced frame body set up in the support core is peripheral, the support core is used for supporting first flat board. The supporting frame body comprises a first flat plate in contact with the first flat plate, a second flat plate in contact with the second flat plate, and a side plate which is arranged between the first flat plate and the second flat plate and supports the first flat plate and the second flat plate, and the first flat plate, the second flat plate, the side plate, the first flat plate and the second flat plate seal the supporting core. The utility model discloses a set up first flat board and second flat board, make backup pad surface smoothness high. Through setting up braced frame, promote the firm in connection nature.

Description

Supporting plate and PCB drilling machine workbench

Technical Field

The utility model relates to a PCB drilling machine field, concretely relates to backup pad and PCB drilling machine workstation.

Background

The PCB is called a printed circuit board, also called a printed circuit board, and is a carrier for electrical connection of electronic components.

Generally, a PCB workpiece to be drilled is positioned on a PCB drilling machine workbench, a PCB drilling machine is used for drilling the PCB workpiece to be drilled, the bedplate 10 is a main structure of the PCB drilling machine workbench for bearing and fixing the PCB workpiece to be drilled, referring to fig. 1, the bedplate 10 comprises a honeycomb core 12, an upper metal cover 11 and a lower metal cover 13, the edge of the upper metal cover 11 is bent and then connected with the lower metal cover 13, so as to seal the honeycomb core 12 between the upper metal cover 11 and the lower metal cover 13, however, when the edge of the upper metal cover 11 is bent, the surface of the upper metal cover 11 is easily deformed under the action of external force, thereby affecting the flatness of the surface of the upper metal cover 11, and causing inaccurate positioning of the PCB workpiece to be drilled on the surface of the upper metal cover 11.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a backup pad and PCB drilling machine workstation has solved among the prior art problem that the backup pad surface is uneven, positioning accuracy is not high.

The utility model discloses a backup pad is protected to the first aspect for circuit board processing equipment, including support core, braced frame body, first flat board and second are dull and stereotyped, first flat board braced frame body the second flat board stacks gradually the setting to it is used for fixing to form the airtight space of support core.

Further, the supporting frame body is formed by one or more profiles in a surrounding mode.

Further, the profile comprises a first side plate in contact with the first plate, a second side plate in contact with the second plate and arranged parallel to the first side plate, and at least one third side plate located between the first side plate and the second side plate.

Further, the first side plate, the plurality of third side plates and the second side plate are enclosed to form a hollow structure.

Further, the supporting frame body comprises a first section bar and a second section bar which are oppositely arranged, and a third section bar and a fourth section bar which are oppositely arranged; the first section bar, the third section bar, the second section bar and the fourth section bar are sequentially connected end to form the supporting frame body.

The cross-sectional shapes of the first section bar, the second section bar, the third section bar and the fourth section bar are respectively in one of an I shape, a U shape or a mouth shape.

Further, the first flat plate and the second flat plate are respectively one of a carbon fiber plate, an aluminum alloy plate, a magnesium alloy plate and a titanium alloy plate.

Further, the supporting core is a hollow supporting core; the hollow support core is in a honeycomb shape, a transverse and longitudinal grid shape or an irregular hollow shape.

Further, the material of the support core is aluminum, carbon fiber or engineering plastic.

Furthermore, the supporting frame body is connected with the first flat plate through a first adhesive layer, and the supporting frame body is connected with the second flat plate through a second adhesive layer.

The utility model discloses the protection of second aspect is a PCB drilling machine workstation, including foretell backup pad, PCB drilling machine workstation still including set up in the setting element of backup pad top, the setting element is used for the location to treat drilling PCB work piece.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the embodiment of the utility model differs from the prior art in that the upper metal cover adopts a split design, and the upper metal cover is split into the supporting frame body and the first plate, thereby effectively avoiding the deformation of the first plate and improving the surface flatness of the whole supporting plate; through setting up braced frame, provide the holding power to first flat board and second flat board, improve the stability of backup pad.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic diagram of an exploded structure of a bedplate in a workbench of a conventional PCB drilling machine;

fig. 2 is an exploded view of a support plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a PCB drilling machine workbench according to an embodiment of the present invention;

fig. 4 is a schematic view of another angle of the PCB drill table shown in fig. 3.

In the figure, 10, a platen; 11. an upper metal cover; 12. a honeycomb core; 13. a lower metal envelope; 20. a PCB drilling machine workbench; 21. a positioning member; 22. a support plate; 221. a first plate; 222. a support core; 223. a support frame body; 2231. a first profile; 2232. a third section bar; 2233. a second profile; 2234. a fourth section bar; 22341. a first side plate; 22342. a third side plate; 22343. a second side plate; 22344. a hollow structure; 224. a second plate; 23. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 2, the present invention provides a supporting plate 22 for a circuit board processing device, including a supporting core 222, a supporting frame 223, a first plate 221 and a second plate 224, wherein the first plate 221, the supporting frame 223 and the second plate 224 are sequentially stacked to form a closed space for fixing the supporting core 222. The first flat plate 221 is a flat plate structure, the edge of the first flat plate does not need to be bent, the first flat plate is directly arranged on the supporting frame 223, the flatness is high, the positioning piece 21 such as a T-shaped section is arranged on the surface of the first flat plate, the positioning precision is high, in addition, the supporting frame 223 is arranged, the first flat plate 221 and the second flat plate 224 are provided with supporting force, and the stability of the supporting plate 22 is improved.

Referring to fig. 2, in one embodiment, the support frame 223 is enclosed by one or more profiles. The section bar has the advantages of high strength, light weight, easy processing, large yield, low price and the like, and not only provides larger supporting force, but also has light weight.

Referring to fig. 2, in a particular embodiment, the profile includes a first side panel 22341 in contact with the first flat panel 221, a second side panel 22343 in contact with the second flat panel 224 and disposed parallel to the first side panel 22341, and at least one third side panel 22342 located between the first side panel 22341 and the second side panel 22343. The surface contact between the first side plate 22341 and the first flat plate 221 can increase the connection area, which, on one hand, improves the connection firmness and facilitates the use of the adhesive connection method, and on the other hand, increases the support strength and the support area of the support frame 223 to the first flat plate 221, and enhances the surface flatness of the first flat plate 221.

Referring to fig. 2, further, the first side plate 22341, the third side plate 22342 and the second side plate 22343 enclose to form a hollow structure 22344, and the hollow structure 22344 not only provides a large supporting force, but also reduces the weight.

Referring to fig. 2, in a particular embodiment, the support frame 223 includes first and second oppositely disposed

profiles

2231 and 2233, and third and fourth oppositely disposed

profiles

2232 and 2234; the first section 2231, the third section 2232, the second section 2233 and the fourth section 2234 are sequentially connected end to form the supporting frame 223, and the cross-sectional shapes of the first section 2231, the second section 2233, the third section 2232 and the fourth section 2234 can be respectively one of an i shape, a U shape or a mouth shape. In this embodiment, the four profiles have the same structure, and the cross-sectional shapes thereof are respectively "mouth" shapes, which not only can provide a larger supporting force, but also can be conveniently bonded and fixed with the first plate 221 and the second plate 224 by using a bonding connection manner.

In the above embodiments, the first flat plate 221 and the second flat plate 224 may be one of a carbon fiber plate, an aluminum alloy plate, a magnesium alloy plate, and a titanium alloy plate, respectively. The first plate 221 made of the above material has the characteristics of high flatness, high strength, light weight, and low deformation resistance. Preferably, the first plate 221 and the second plate 224 are both made of carbon fiber, and the density of the first plate 221 and the second plate 224 is about 1.6g/cm ³ The tensile strength can reach 1600MPa to 1700MPa, and the support plate 22 in the embodiment has light weight and heavy bearing weight.

Referring to fig. 2, in each of the above embodiments, the support core 222 may be a honeycomb support core having high structural stability, light weight, and uniform support force to the first plate 221. Of course, the supporting core 222 may also be hollow in the horizontal and vertical lattices or irregular hollow.

In one embodiment, the material of the support core 222 may be aluminum, carbon fiber, or engineering plastic, among others.

In one embodiment, the support frame 223 is attached to the first plate 221 by a first adhesive layer, and the support frame 223 is attached to the second plate 224 by a second adhesive layer.

Referring to fig. 3, the present invention further provides a PCB drilling machine workbench 20, which includes the above-mentioned support plate 22, the PCB drilling machine workbench 20 further includes a positioning member 21 disposed above the support plate 22, and the positioning member 21 is used for positioning a PCB workpiece to be drilled. In this embodiment, the positioning member 21 is specifically a T-shaped member, the number of the T-shaped members is plural, and of course, the positioning member 21 may be designed into any shape and pattern according to the positioning requirement.

Referring to fig. 4, the pcb drill table 20 further includes a connection plate 23 disposed below the support plate 22, the connection plate 23 being used to connect the power unit.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The supporting plate is used for circuit board processing equipment and is characterized by comprising a supporting core, a supporting frame body, a first flat plate and a second flat plate, wherein the first flat plate, the supporting frame body and the second flat plate are sequentially stacked to form a closed space for fixing the supporting core.

2. The support plate as in claim 1, wherein the support frame is enclosed by one or more profiles.

3. The support plate of claim 2, wherein the one or more profiles comprise a first side plate in contact with the first plate, a second side plate in contact with the second plate and disposed parallel to the first side plate, and at least one third side plate between the first and second side plates.

4. The support plate of claim 3, wherein the first side plate, the plurality of third side plates, and the second side plate enclose a hollow structure.

5. The support plate as in claim 2, wherein the support frame includes first and second oppositely disposed profiles and third and fourth oppositely disposed profiles; the first section bar, the third section bar, the second section bar and the fourth section bar are sequentially connected end to form the supporting frame body;

the cross-sectional shapes of the first section bar, the second section bar, the third section bar and the fourth section bar are respectively in one of I shape, U shape or mouth shape.

6. The support plate of claim 1, wherein the first plate and the second plate are each one of a carbon fiber plate, an aluminum alloy plate, a magnesium alloy plate, and a titanium alloy plate.

7. The support plate according to any one of claims 1 to 6, wherein the support core is a hollowed support core;

the hollow support core is in a honeycomb shape or a transverse and longitudinal grid shape.

8. The support plate as in claim 7, wherein the material of the support core is aluminum, carbon fiber or engineering plastic.

9. The support plate of claim 1, wherein the support frame is coupled to the first plate via a first layer of adhesive and the support frame is coupled to the second plate via a second layer of adhesive.

10. The PCB drilling machine workbench is characterized by comprising a supporting plate according to any one of claims 1 to 9, and further comprising a positioning piece arranged above the supporting plate, wherein the positioning piece is used for positioning a PCB workpiece to be drilled.