CN212736238U - Vacuum table top device - Google Patents
Vacuum table top device Download PDFInfo
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- CN212736238U CN212736238U CN202021198249.5U CN202021198249U CN212736238U CN 212736238 U CN212736238 U CN 212736238U CN 202021198249 U CN202021198249 U CN 202021198249U CN 212736238 U CN212736238 U CN 212736238U
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Abstract
The utility model discloses a vacuum table-board device, which comprises a base and a vacuum table-board combination, wherein the vacuum table-board combination comprises a processing table-board, a sealing cover plate, a vacuum pipe joint and a processing backing plate, two opposite sides of the processing table surface are respectively provided with a first groove and a second groove matched with the processing base plate, the bottom of the first groove is provided with a third groove, the bottom of the third groove is provided with a plurality of first through holes, one side of the third groove is provided with a second through hole, the sealing cover plate is arranged at the bottom of the first groove, a plurality of third through holes are arranged on the processing base plate, when the processing backing plate is positioned in the second groove, the top surface of the processing backing plate is flush with the processing table surface, one end of the vacuum pipe joint is communicated with the second through hole, the other end of the vacuum pipe joint is connected with a vacuum pumping device, the third through hole is communicated with the first through hole, and the processing table top is fixed on the base in the direction that the opening of the second groove is upward. The utility model provides a vacuum table device has improved PCB's machining efficiency, has reduced the processing cost.
Description
Technical Field
The utility model relates to a machine tool machining field, concretely says so and relates to a vacuum table top device.
Background
The PCB, which is called printed circuit board in Chinese, is an important electronic component, a support body of the electronic component and a carrier for electrical connection, for the mounting of electronic components, the PCB board needs to process device mounting holes by a drilling machine, because the surface of the PCB is not high in flatness, when the PCB is placed on a processing table, the local part of the PCB is tilted, when holes are punched at the raised positions of the PCB, the holes are easy to deflect, and the current common practice is that, after a PCB is placed on the backing plate on the processing table, gummed paper is manually pasted around the PCB to prevent the periphery of the PCB from tilting, after the PCB is processed, the gummed paper is manually torn off, so that the operation of repeatedly pasting and tearing the gummed paper wastes working hours, and the adhesive paper is wasted because the adhesive paper can not be used repeatedly, and the working hours are wasted, so that the processing efficiency of the PCB is low, and the processing cost is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum table device not only can improve the machining efficiency of PCB board, can reduce the processing cost of PCB board moreover.
The utility model discloses a technical scheme that vacuum table device adopted is:
a vacuum table-board device comprises a base and a vacuum table-board combination, wherein the vacuum table-board combination comprises a processing table-board, a sealing cover plate, a vacuum pipe joint and a processing base plate, two opposite sides of the processing table surface are respectively provided with a first groove and a second groove matched with the processing base plate, the bottom of the first groove is provided with a third groove, the bottom of the third groove is provided with a plurality of first through holes, one side of the third groove is provided with a second through hole, the sealing cover plate is arranged at the bottom of the first groove, one side of the processing base plate is provided with a plurality of third through holes, when the processing backing plate is positioned in the second groove, the top surface of the processing backing plate is flush with the processing table surface, one end of the vacuum pipe joint is communicated with the second through hole, the other end of the vacuum pipe joint is connected with a vacuum pumping device, the third through hole is communicated with the first through hole, and when the processing table-board is fixed on the base, the side of the processing table-board, where the second groove is formed, faces upwards.
As a preferred scheme, the number of the vacuum table top combinations is two, the two vacuum table top combinations are arranged on the base side by side, and the processing table top is connected with the base through screws.
Preferably, the vacuum table top assembly further comprises a support column, two ends of the support column are respectively connected with the bottom of the third groove and the sealing cover plate, and the support column is used for supporting the sealing cover plate.
Preferably, the number of the supporting columns is four, and the four supporting columns are uniformly distributed between the bottom of the third groove and the sealing cover plate.
Preferably, the vacuum table top assembly further comprises an inductor, a fourth groove is formed in the bottom of the second groove, the inductor is installed in the fourth groove, and the inductor is used for monitoring whether a processing base plate exists in the second groove or not.
The utility model discloses a vacuum table device's beneficial effect is: because the sealing cover plate is arranged at the bottom of the first groove of the processing table surface, the processing cushion plate is positioned in the second groove, the third through hole is communicated with the first through hole, when the vacuuming equipment starts to suck air after the PCB to be punched is placed on the processing table surface, the air between the PCB and the processing cushion plate sequentially enters the third groove through the third through hole and the first through hole and then is sucked away by the vacuuming equipment through the second through hole, the air between the PCB and the processing table surface enters the third groove through the first through hole and then is sucked away by the vacuuming equipment through the second through hole, the air pressure at the upper side of the PCB is larger than the air pressure between the PCB and the processing cushion plate and the processing table surface, so that the PCB can be tightly and smoothly attached to the processing cushion plate and the processing table surface, manual adhesive tape attachment is not needed, and the adhesive tape tearing is not needed after processing is finished, thereby the processing efficiency of the PCB is improved, the processing cost is reduced, and especially, the processing efficiency can be improved when the flexible PCB or the PCB with thin thickness is punched.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an exploded view of a vacuum table assembly of the vacuum table device of the present invention;
FIG. 2 is a schematic view of a vacuum table assembly of the vacuum table device of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic view of a processing table of the vacuum table apparatus of the present invention;
fig. 5 is an assembly diagram of the vacuum table device of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
referring to fig. 1, 4 and 5, a vacuum table device includes a base 1 and two vacuum table assemblies 2, each vacuum table assembly 2 includes a processing table 21, a sealing cover 22, a vacuum tube connector 23 and a processing pad 24, two opposite sides of the processing table 21 are respectively provided with a first groove 211 and a second groove 212, the second groove 212 is matched with the processing pad 24, the bottom of the first groove 211 is provided with a third groove 213, the bottom of the third groove 213 is provided with a plurality of first through holes 214, one side of the third groove 213 is provided with a second through hole 215, the sealing cover 22 is mounted at the bottom of the first groove 211 by glue and screws, the processing pad 24 is provided with a plurality of third through holes 241, when the processing pad 24 is placed in the second groove 212, the side of the processing pad 24 provided with the third through holes 241 is flush with the processing table 21, four sides of the processing pad 24 are tightly attached to four sides of the second groove 212, the third through hole 241 is communicated with the first through hole 214, one end of the vacuum pipe joint 23 is connected with the second through hole 215, the other end of the vacuum pipe joint is connected with an external vacuum pumping device, the two vacuum table top assemblies 2 are arranged on the base 1 side by side, and when the processing table top 21 is fixed on the base 1 through screws, one side of the processing table top 21, which is provided with the second groove 212, is upward.
When the vacuum-pumping equipment is turned on after the PCB to be processed is placed on the processing table 21, the air between the PCB and the processing table 21 enters the third groove 213 through the first through hole 214 and then is sucked away by the vacuum-pumping equipment through the second through hole 215, the air between the PCB and the processing backing plate 24 enters the third groove 213 through the third through hole 241 and the first through hole 214 in sequence and then is sucked away by the vacuum-pumping equipment through the second through hole 215, so that the air pressure on the upper side of the PCB is greater than the air pressure between the PCB and the processing table 21, the air pressure on the upper side of the PCB is greater than the air pressure between the PCB and the processing backing plate 24, the PCB is tightly and flatly attached to the processing backing plate 24 and the processing table 21 under the action of the difference between the upper air pressure and the lower air pressure, the manual work is not needed to attach the PCB to the processing backing plate 24 through the adhesive paper, after the PCB is punched, the vacuum-pumping equipment is turned off, the PCB can be taken away from the processing table 21, therefore, the adhesive tape for sticking the PCB is not required to be torn off manually, the processing efficiency of the PCB is improved, the adhesive tape is saved, and the processing cost is reduced.
Referring to fig. 1 to 3, the vacuum table assembly 2 further includes four supporting pillars 25, the four supporting pillars 25 are uniformly distributed between the bottom of the third groove 213 and the sealing cover plate 22, two ends of the four supporting pillars 25 are respectively connected to the bottom of the third groove 213 and the sealing cover plate 22, and the four supporting pillars 25 prop against the sealing cover plate 22, so as to prevent the sealing cover plate 22 from sinking toward the third groove 213 due to long-term suction of the vacuum pumping apparatus, and prevent the sealing cover plate 22 from generating a gap with the bottom of the first groove 211 and leaking air, so that the PCB cannot be tightly and smoothly attached to the processing pad 24.
Referring to fig. 1 and 4, the vacuum table assembly 2 further includes an inductor 26, a fourth groove 216 is formed at the bottom of the second groove 212, the inductor 26 is installed in the fourth groove 216, a connection line of the inductor 26 passes through a notch 217 on one side of the fourth groove 216 and is connected to the control unit, when the inductor 26 senses that the processing pad 24 is placed in the second groove 212, the inductor 26 feeds back a signal to the vacuum pumping device, the vacuum pumping device is turned on, if the processing pad 24 is not placed in the second groove 212, the inductor 26 does not feed back the turned-on signal to the vacuum pumping device, and the vacuum pumping device cannot be turned on, so that the processing pad 24 can be effectively prevented from being missed, the occurrence of the situation that a worker performs a punching operation without placing the processing pad 24 is effectively prevented, the yield of PCB board processing is improved, and the processing cost is further reduced.
To sum up, the sealing cover plate 22 is installed at the bottom of the first groove 211 of the processing table 21, the processing pad 24 is placed in the second groove 212, one side of the processing pad 24, on which the third through hole 241 is opened, is flush with the processing table 21, the third through hole 241 is communicated with the first through hole 214, when the PCB to be punched is placed on the processing table 21, the vacuum equipment sucks air between the PCB and the processing pad 24 sequentially through the third through hole 241, the first through hole 214, the third groove 213 and the second through hole 215, the vacuum equipment sucks air between the PCB and the processing table 21 sequentially through the first through hole 214, the third groove 213 and the second through hole 215, the air pressure on the upper side of the PCB is greater than the air pressure between the processing pad 24 and the processing table 21, so that the PCB is tightly and flatly attached to the processing pad 24 and the processing table 21 under the action of the atmospheric pressure on the upper side of the PCB, therefore, the manual operation of pasting and tearing the gummed paper on the PCB is reduced, the operation efficiency is improved, and the cost is saved.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The vacuum table top device is characterized by comprising a base and a vacuum table top assembly, wherein the vacuum table top assembly comprises a processing table top, a sealing cover plate, a vacuum pipe joint and a processing base plate, two opposite sides of the processing table top are respectively provided with a first groove and a second groove matched with the processing base plate, the bottom of the first groove is provided with a third groove, the bottom of the third groove is provided with a plurality of first through holes, one side of the third groove is provided with a second through hole, the sealing cover plate is arranged at the bottom of the first groove, one side of the processing base plate is provided with a plurality of third through holes, when the processing base plate is positioned in the second groove, the top surface of the processing base plate is flush with the processing table top, one end of the vacuum pipe joint is communicated with the second through hole, the other end of the vacuum pipe joint is connected with a vacuum pumping device, the third through hole, The side of the second groove is upward.
2. The vacuum table arrangement of claim 1, wherein the number of vacuum table combinations is two, the two vacuum table combinations are located side by side on a base, and the processing table is connected to the base by screws.
3. The vacuum table assembly of claim 1, further comprising a support post, wherein the support post is connected to the bottom of the third groove and the sealing cover plate at two ends, and the support post is used for supporting the sealing cover plate.
4. The vacuum table arrangement of claim 3, wherein the number of the support posts is four, and the four support posts are evenly distributed between the third groove bottom and the sealing cover plate.
5. The vacuum table device as claimed in any one of claims 1 to 4, wherein the vacuum table assembly further comprises an inductor, a fourth groove is formed at the bottom of the second groove, the inductor is installed in the fourth groove, and the inductor is used for monitoring whether the machining backing plate exists in the second groove or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198249.5U CN212736238U (en) | 2020-06-24 | 2020-06-24 | Vacuum table top device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198249.5U CN212736238U (en) | 2020-06-24 | 2020-06-24 | Vacuum table top device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212736238U true CN212736238U (en) | 2021-03-19 |
Family
ID=75010962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021198249.5U Active CN212736238U (en) | 2020-06-24 | 2020-06-24 | Vacuum table top device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212736238U (en) |
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2020
- 2020-06-24 CN CN202021198249.5U patent/CN212736238U/en active Active
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