CN207710380U - A kind of vacuum suction backing plate - Google Patents
A kind of vacuum suction backing plate Download PDFInfo
- Publication number
- CN207710380U CN207710380U CN201721574109.1U CN201721574109U CN207710380U CN 207710380 U CN207710380 U CN 207710380U CN 201721574109 U CN201721574109 U CN 201721574109U CN 207710380 U CN207710380 U CN 207710380U
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- hole
- backing plate
- vacuum suction
- binding domain
- sleeve pipe
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Abstract
The utility model is related to a kind of vacuum suction backing plates, including plate body, the plate body includes drilling region and binding domain, the binding domain is around the setting of drilling region, the binding domain includes the through-hole on multiple perforation plate body two sides, the two-port of the through-hole is respectively arranged with hermetically sealed connector and sealing ring, and the hermetically sealed connector includes the sealing sleeve pipe being embedded in through-hole.Vacuum suction backing plate provided by the utility model can effectively solve the problem that the technical barrier proposed in background technology.Optimization is realized on the positioning process of PCB backing plates first, the double limitation effect stability with adsorption capacity and sealing sleeve pipe is splendid.Next positions between pcb board and backing plate and equally uses absorption principle so that heated extension is unrestricted in the horizontal direction for pcb board, while pcb board increases under the premise of adsorption capacity longitudinally acts on the frictional force between backing plate, it is sufficient to ensure not influenced by drill thrust.
Description
Technical field
The utility model is related to PCB backing plates fields, more particularly to a kind of vacuum suction backing plate.
Background technology
Backing plate is horizontally mounted in below pcb board material for protecting platen face by PCB drillings often, is needed before processing
Pcb board, backing plate are fixed, being shifted to avoid plank in process influences machining accuracy.Usual fixing means is
Pin is fixed or adhesive tape is fixed, but kind pin or Continuous pressing device for stereo-pattern are relatively complicated first in technological process, and fixation procedure easily makes
Plank local deformation influences the planarization of plate face, and main is the extension surplus that can not be given pcb board and be heated harmomegathus.Therefore it designs
A kind of dismounting is simple and does not damage the Novel backing plate of backing plate body construction.
Utility model content
To achieve the above object, the utility model adopts the following technical solution：A kind of vacuum suction backing plate, including plate body,
The plate body includes drilling region and binding domain, and the binding domain includes around the setting of drilling region, the binding domain
The through-hole on multiple perforation plate body two sides, the two-port of the through-hole are respectively arranged with hermetically sealed connector and sealing ring, the sealing
Connector includes the sealing sleeve pipe being embedded in through-hole.
The operation principle of the utility model is：The utility model backing plate is in machine operation table top equipped with adsorption structure
On the basis of adsorption capacity is transferred to by through-hole is positioned over the pcb board bottom surface on backing plate upper layer and carries out absorption fixation.Through-hole both ends point
It She Zhi not sealing ring, sealing sleeve pipe.Sealing ring is made of materials such as soft plastic, silica gel, soft rubbers, has good deformation energy
Power protrudes from the aperture setting of through-hole, sealing ring can be pressed into through-hole when pcb board lid is pressed on pad surfaces, and due to
Sealing ring compression deformation can preferably ensure the air-tightness between through-hole and pcb board face, enhance adsorption effect.Sealing sleeve pipe is one
End is fixed and is sealedly attached to the air-tightness pipeline of through-hole wall, protrudes from the setting of the through-hole other end.It is needed when disposing backing plate
Sealing sleeve pipe and the connecting hole being arranged on board are correspondingly connected with setting, multiple sealing sleeve pipes are connect with connecting hole to avoid pad
Sidesway phenomenon occurs plate for board horizontal plane direction again, while being sequentially connected by connecting hole, sealing sleeve pipe, through-hole, sealing ring,
So that being transferred to pcb board bottom surface with adsorption capacity is adsorbed fixation.
Further, further include the adsorption hole being arranged on PCB drilling machine operation consoles surface, the adsorption hole includes that backing plate is inhaled
Attached hole and connecting hole.
Backing plate provided by the utility model need to coordinate correspondingly modified PCB drilling machines, on the operation console surface of PCB drilling machines
Adsorption hole is set, multiple adsorption holes are drilled in array-like in being connect with vacuum pump by air-tightness pipeline in operation console surface, hole,
It opens vacuum pump and detaches air in adsorption hole so that hole is inside and outside to generate pressure difference, and backing plate and pcb board absorption are fixed.Adsorption hole
It is divided into two kinds, one of which is backing plate adsorption hole, and the backing plate being in direct contact for being adsorbed in operation console surface, another kind is connection
Hole, for being connect with the sealing sleeve pipe on backing plate, adsorption capacity is acted on pcb board bottom surface through backing plate is fixed it.
Further, backing plate adsorption hole port is provided with sealing ring.
Be provided with sealing ring at the port of operation console surface backing plate adsorption hole, the sealing ring with set at through-hole port on backing plate
The sealing ring set is identical, for increasing air-tightness to ensure that adsorption capacity effectively transmits.
Further, the sealing sleeve pipe is corresponding with connection hole site and cooperates.
Backing plate adsorption hole corresponds to backing plate drilling region setting, and backing plate is fixed.Connecting hole corresponds to binding domain, and even
The position of the position and sealing sleeve pipe that connect hole is arranged in a one-to-one correspondence.
The beneficial effects of the utility model are：Vacuum suction backing plate provided by the utility model can effectively solve the problem that background skill
The technical barrier proposed in art.Optimization is realized on the positioning process of PCB backing plates first, with adsorption capacity and sealing sleeve pipe
Double limitation effect stability is splendid.Secondly it is positioned between pcb board and backing plate and equally uses absorption principle so that pcb board is in water
Square to it is heated extend it is unrestricted, while pcb board adsorption capacity longitudinally act under the premise of with backing plate between frictional force increase,
Be enough to ensure that is not influenced by drill thrust.
Description of the drawings
The utility model is described in further detail for attached drawing, but the embodiment in attached drawing is not constituted to any of the utility model
Limitation.
Fig. 1 is a kind of vacuum suction backing plate schematic cross-sectional view that one embodiment of the utility model provides；
Fig. 2 is a kind of vacuum suction backing plate overlooking structure diagram that one embodiment of the utility model provides；
Fig. 3 is a kind of PCB drilling machines operating table surface overlooking structure diagram that one embodiment of the utility model provides.
Specific implementation mode
As illustrated in fig. 1-3, a kind of vacuum suction backing plate that one embodiment of the utility model provides, including plate body 1, it is described
Plate body 1 includes drilling region 2 and binding domain 3, and the binding domain 3 is arranged around drilling region 2, and the binding domain 3 wraps
The through-hole 31 on 1 two sides of multiple perforation plate bodys is included, the two-port of the through-hole 31 is respectively arranged with hermetically sealed connector 32 and sealing ring
33, the hermetically sealed connector 32 includes the sealing sleeve pipe 321 being embedded in through-hole 31.
The operation principle of the utility model is：The utility model backing plate is in machine operation table top equipped with adsorption structure
On the basis of adsorption capacity is transferred to by through-hole 31 is positioned over the pcb board bottom surface on backing plate upper layer and carries out absorption fixation.31 liang of through-hole
Sealing ring 33, sealing sleeve pipe 321 is respectively set in end.Sealing ring 33 is made of materials such as soft plastic, silica gel, soft rubbers, is had
Good deformability protrudes from the aperture setting of through-hole 31, can press sealing ring 33 when pcb board lid is pressed on pad surfaces
Enter in through-hole 31, and since 33 compression deformation of sealing ring can preferably ensure the air-tightness between through-hole 31 and pcb board face, enhances
Adsorption effect.Sealing sleeve pipe 321 is that the air-tightness pipeline of 31 inner wall of through-hole is fixed and be sealedly attached in one end, protrudes from through-hole
31 other ends are arranged.Sealing sleeve pipe 321 need to be correspondingly connected with the connecting hole being arranged on board 412 and be set when disposing backing plate
Set, multiple sealing sleeve pipes 321 connect with connecting hole 412 to avoid backing plate again board horizontal plane direction occur sidesway phenomenon, simultaneously
It is sequentially connected by connecting hole 412, sealing sleeve pipe 321, through-hole 31, sealing ring 33 so that with adsorption capacity be transferred to pcb board bottom
Adsorbed fixation in face.
Further, further include the adsorption hole 41 being arranged on PCB drilling machine operation consoles surface 4, the adsorption hole 41 includes
Backing plate adsorption hole 411 and connecting hole 412.
Backing plate provided by the utility model need to coordinate correspondingly modified PCB drilling machines, on the operation console surface of PCB drilling machines
4 setting adsorption holes 41, multiple adsorption holes 41 in array-like be drilled in operation console surface 4, hole by air-tightness pipeline and vacuum
Pump connection opens vacuum pump and detaches air in adsorption hole 41 so that hole is inside and outside to generate pressure difference, backing plate and pcb board is adsorbed solid
It is fixed.It is two kinds that adsorption hole 41, which is divided to, and one of which is backing plate adsorption hole 411, the pad being in direct contact for being adsorbed in operation console surface 4
Plate, another kind are that adsorption capacity is acted on PCB by connecting hole 412 for being connect with the sealing sleeve pipe 321 on backing plate through backing plate
Board bottom is fixed in face of it.
Further, 411 port of backing plate adsorption hole is provided with sealing ring 33.
It is provided with sealing ring 33 at the port of 4 backing plate adsorption hole 411 of operation console surface, the sealing ring 33 and through-hole on backing plate
The sealing ring 33 being arranged at 31 ports is identical, for increasing air-tightness to ensure that adsorption capacity effectively transmits.
Further, the sealing sleeve pipe 321 is corresponding with 412 position of connecting hole and cooperates.
Backing plate adsorption hole 411 corresponds to backing plate drilling region 2 and is arranged, and backing plate is fixed.Connecting hole 412 corresponds to adsorption zone
Domain 3, and the position of connecting hole 412 and the position of sealing sleeve pipe 321 are arranged in a one-to-one correspondence.
The beneficial effects of the utility model are：Vacuum suction backing plate provided by the utility model can effectively solve the problem that background skill
The technical barrier proposed in art.Optimization is realized on the positioning process of PCB backing plates first, there is adsorption capacity and sealing sleeve pipe
321 double limitation effect stability is splendid.Secondly it is positioned between pcb board and backing plate and equally uses absorption principle so that pcb board
In the horizontal direction be heated extend it is unrestricted, while pcb board adsorption capacity longitudinally act under the premise of with backing plate between frictional force
Increase, it is sufficient to which guarantee is not influenced by drill thrust.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (4)
1. a kind of vacuum suction backing plate, it is characterised in that：Including plate body, the plate body includes drilling region and binding domain, institute
Binding domain is stated around the setting of drilling region, the binding domain includes the through-hole on multiple perforation plate body two sides, the through-hole
Two-port is respectively arranged with hermetically sealed connector and sealing ring, and the hermetically sealed connector includes the sealing sleeve pipe being embedded in through-hole.
2. vacuum suction backing plate according to claim 1, it is characterised in that：Further include being arranged in PCB drilling machine operation console tables
The adsorption hole in face, the adsorption hole include backing plate adsorption hole and connecting hole.
3. vacuum suction backing plate according to claim 2, it is characterised in that：Backing plate adsorption hole port is provided with sealing
Circle.
4. vacuum suction backing plate according to claim 2, it is characterised in that：The sealing sleeve pipe with connection hole site it is corresponding and
It cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574109.1U CN207710380U (en) | 2017-11-22 | 2017-11-22 | A kind of vacuum suction backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574109.1U CN207710380U (en) | 2017-11-22 | 2017-11-22 | A kind of vacuum suction backing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207710380U true CN207710380U (en) | 2018-08-10 |
Family
ID=63061850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721574109.1U Active CN207710380U (en) | 2017-11-22 | 2017-11-22 | A kind of vacuum suction backing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207710380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807659A (en) * | 2017-11-22 | 2019-05-28 | 广东工业大学 | A kind of vacuum suction backing plate and application method |
-
2017
- 2017-11-22 CN CN201721574109.1U patent/CN207710380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807659A (en) * | 2017-11-22 | 2019-05-28 | 广东工业大学 | A kind of vacuum suction backing plate and application method |
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