CN203951685U - Spray equipment - Google Patents
Spray equipment Download PDFInfo
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- CN203951685U CN203951685U CN201420354266.1U CN201420354266U CN203951685U CN 203951685 U CN203951685 U CN 203951685U CN 201420354266 U CN201420354266 U CN 201420354266U CN 203951685 U CN203951685 U CN 203951685U
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- driving shaft
- installing hole
- eccentric wheel
- block reinforcement
- spray equipment
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Abstract
The utility model provides a kind of spray equipment, be arranged in the development cylinder and etching cylinder for making printed circuit board (PCB), spray equipment comprises: driving shaft, eccentric wheel and rocking carrier, driving shaft has the tangential section arranging along self axial direction, and the block reinforcement arranging along self radial direction, and driving shaft can rotate along self axis, eccentric circle centre position is provided with the installing hole identical with the shape of cross section of driving shaft, driving shaft is through installing hole, eccentric bottom surface is resisted against in block reinforcement, driving shaft and eccentric wheel are linked into an integrated entity, on rocking carrier, be provided with multiple nozzles, rocking carrier is connected with eccentric wheel by connecting plate, the rotation band movable eccentric wheel of driving shaft rotates, eccentric rotation drives connecting plate to move, the moving belt of connecting plate shakes rocker and moves.The spray equipment that the utility model provides, has avoided effectively because eccentric wheel drops, and causes rocking carrier normally to work, and causes the situation that printed circuit board (PCB) is scrapped in enormous quantities to occur.
Description
Technical field
The utility model relates to printed circuit board (PCB) and manufactures field, more specifically, relates to a kind of spray equipment.
Background technology
In print circuit plates making field, printed circuit board (PCB) is according to the different production equipment of technological process process, to meet different manufacturing conditions, the mode of generally walking in equipment according to printed circuit board (PCB) in industry, is divided into two kinds of horizontal line and vertical lines by chemically treated equipment.
In horizontal line production equipment, in the cylinder position of chemical medicinal liquid processing, conventionally adopt swing motor to drive drive shaft turns, eccentric wheel on driving shaft rotates thereupon, eccentric wheel drives rocking carrier to make horizontal back and forth movement, chemical medicinal liquid in cylinder body is transported in rocking carrier by water pump, then sprays on printed circuit board (PCB) by the nozzle of arranging rule on rocking carrier, thereby completes corresponding chemical treating process.Wherein, as shown in Figure 1, on driving shaft 10 ', be provided with keyway 11 ', driving shaft 10 ' adopts key connected mode to be connected with eccentric wheel, adding single screw is fixed again, prevent axial jump, after the long-time use of rocking bar, easily occur waving eccentric wheel screw and get loose, cause eccentric wheel to drop, rocking carrier cannot normally be worked, thereby cause printed circuit board (PCB) because of poor visualization, overdevelop, the problem such as etching is bad, etching is excessive, the accident of scrapping in enormous quantities causing, and then increased the product replacement cost, wasting manpower and material resources.
Utility model content
In order one of to solve the problems of the technologies described above at least, the purpose of this utility model is, a kind of spray equipment is provided, being connected between driving shaft and eccentric wheel is simple and reliable, can effectively avoid because eccentric wheel drops, rocking carrier cannot normally be worked, and causes the situation that printed circuit board (PCB) is scrapped in enormous quantities to occur, thereby the reliability and stability that effectively promoted rocking carrier work, have reduced product rejection risk.
In view of this, the utility model provides a kind of spray equipment, be arranged in the development cylinder and etching cylinder for making printed circuit board (PCB), described spray equipment comprises: driving shaft, described driving shaft has the tangential section arranging along self axial direction, and the block reinforcement arranging along self radial direction, and described driving shaft can rotate along self axis; Eccentric wheel, described eccentric circle centre position is provided with the installing hole identical with the shape of cross section of described driving shaft, described driving shaft is through described installing hole, and described eccentric bottom surface is resisted against in described block reinforcement, and described driving shaft and described eccentric wheel are linked into an integrated entity; And rocking carrier, on described rocking carrier, be provided with multiple nozzles, described rocking carrier is connected with described eccentric wheel by connecting plate, the rotation of described driving shaft drives described eccentric wheel to rotate, described eccentric rotation drives described connecting plate to move, and the mobile of described connecting plate drives described rocking carrier to move.
The spray equipment that the utility model provides, at driving shaft block reinforcement is set in the radial direction, and eccentric bottom surface is resisted against in block reinforcement, thereby effectively avoid dropping because of eccentric wheel, rocking carrier cannot normally be worked, cause the situation that printed circuit board (PCB) is scrapped in enormous quantities to occur, and then the reliability and stability of rocking carrier work are promoted, reduce product rejection risk, specifically, the tangential section arranging at driving shaft axial direction, the cross section that makes driving shaft is non-circular, the eccentric center of circle goes out to be provided with the installing hole identical with the shape of cross section of driving shaft, driving shaft is through installing hole, make between driving shaft and installing hole without relatively moving, be can not relatively rotate between eccentric wheel and driving shaft, thereby eccentric wheel can be rotated together with driving shaft, and eccentric bottom surface is resisted against in the block reinforcement of driving shaft radial direction setting, make eccentric wheel there will not be the problem of coming off, thereby the reliability and stability of rocking carrier work are effectively promoted, reduce product rejection risk, reduced maintenance personal's labour intensity simultaneously.
In sum, the spray equipment that the utility model provides, effectively ensure the bonding strength between eccentric wheel and driving shaft, avoid dropping because of eccentric wheel, cause rocking carrier normally to work, cause the situation that printed circuit board (PCB) is scrapped in enormous quantities to occur, thereby effectively promoted the reliability and stability of rocking carrier work, reduced product rejection risk.
In addition, the spray equipment providing according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, described driving shaft and described installing hole are matched in clearance.
According to an embodiment of the present utility model, described eccentric wheel comprises: upper eccentric wheel, and described eccentric circle centre position is provided with first installing hole identical with described driving shaft shape; With lower eccentric wheel, described lower eccentric circle centre position is provided with second installing hole identical with described driving shaft shape, and the aperture of described the second installing hole is greater than the aperture of described the first installing hole;
Described block reinforcement comprises: the first annular block reinforcement, and the external diameter of described the first annular block reinforcement is greater than the aperture of described the first installing hole and is less than the aperture of described the second installing hole, and described eccentric bottom surface is resisted against in described the first annular block reinforcement; With the second annular block reinforcement, the external diameter of described the second annular block reinforcement is greater than the aperture of described the second installing hole, and described lower eccentric bottom surface is resisted against in described the second annular block reinforcement.
According to an embodiment of the present utility model, described the first annular block reinforcement, described the second annular block reinforcement and described driving shaft are integral type structure.
According to an embodiment of the present utility model, described driving shaft comprises: Part I, and the diameter of described Part I is less than the aperture of described the first installing hole, and described the first annular block reinforcement is arranged on described Part I; And Part II, the diameter of described Part II is greater than the diameter of described Part I and is less than the aperture of described the second installing hole, and described the second annular block reinforcement is arranged on described Part II.
According to an embodiment of the present utility model, on the described installing hole hole wall corresponding with described tangential section, be provided with two screw holes, two screws are screwed into respectively in two described screw holes, and are pressed on described tangential section.
According to an embodiment of the present utility model, described in two, the central point line of screw hole is parallel to described eccentric axis.
According to an embodiment of the present utility model, described eccentric wheel is polypropylene eccentric wheel.
According to an embodiment of the present utility model, the described driving shaft being arranged in development cylinder is stainless steel driving shaft.
According to an embodiment of the present utility model, the described driving shaft being arranged in etching cylinder is titanium alloy driving shaft.
Brief description of the drawings
Fig. 1 is the structural representation of the rocking bar of prior art use;
Fig. 2 is according to the structural representation of driving shaft in the spray equipment described in the utility model one embodiment;
Fig. 3 is the left TV structure schematic diagram of the driving shaft shown in Fig. 2;
Fig. 4 is according to eccentric structural representation in the spray equipment described in the utility model one embodiment;
Fig. 5 is the eccentric left TV structure schematic diagram shown in Fig. 4;
Fig. 6 is the eccentric plan structure schematic diagram shown in Fig. 4;
Fig. 7 is according to the syndeton schematic diagram of eccentric wheel and connecting plate in the spray equipment described in the utility model one embodiment.
Fig. 8 is the plan structure schematic diagram of eccentric wheel shown in Fig. 7 and connecting plate.
Wherein, in Fig. 1, the corresponding relation between Reference numeral and component names is:
10 ' driving shaft, 11 ' keyway;
Wherein, in Fig. 2 to Fig. 8, the corresponding relation between Reference numeral and component names is:
10 driving shafts, 11 Part I, 12 Part II, 20 block reinforcements, 21 first annular block reinforcements, 22 second annular block reinforcements, 30 eccentric wheels, 31 installing holes, 311 screw holes, 40 connecting plates.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection range of the present utility model is not subject to the restriction of following public specific embodiment.
2 the spray equipment providing according to some embodiment of the utility model is described to accompanying drawing 8 with reference to the accompanying drawings, in Fig. 2 to Fig. 8, because of installing hole and/or screw hole structure invisible, for installing hole and screw hole structure are shown, adopt dotted line to illustrate.
As shown in Fig. 2 to 8, the spray equipment that some embodiment of the utility model provide, is arranged in the development cylinder and etching cylinder for making printed circuit board (PCB), and spray equipment comprises: driving shaft 10, eccentric wheel 30 and rocking carrier (not shown);
Particularly, as shown in Figures 2 and 3, driving shaft 10 has the tangential section arranging along self axial direction, and the block reinforcement 20 arranging along self radial direction, and driving shaft 10 can rotate along self axis, as Fig. 4, shown in Fig. 5 and Fig. 6, the circle centre position of eccentric wheel 30 is provided with the installing hole 31 identical with driving shaft 10 shapes, driving shaft 10 is through installing hole 31, the bottom surface of eccentric wheel 30 is resisted against in block reinforcement 20, driving shaft 10 and eccentric wheel 30 are linked into an integrated entity, on rocking carrier, be provided with multiple nozzles, as shown in Figure 7 and Figure 8, rocking carrier is connected with eccentric wheel 30 by connecting plate 40, the rotation band movable eccentric wheel 30 driving rotates, the rotation of eccentric wheel 30 drives connecting plate 40 to move, the moving belt of connecting plate 40 shakes rocker and moves.
The spray equipment that the present embodiment provides, at driving shaft 10 block reinforcement 20 is set in the radial direction, and the bottom surface that makes eccentric wheel 30 is resisted against in block reinforcement 20, thereby effectively avoid dropping because of eccentric wheel 30, rocking carrier cannot normally be worked, cause the situation that printed circuit board (PCB) is scrapped in enormous quantities to occur, and then the reliability and stability of rocking carrier work are promoted, reduce product rejection risk, specifically, the tangential section arranging at driving shaft 10 axial directions, the cross section that makes driving shaft 10 is non-circular, the center of circle of eccentric wheel 30 goes out to be provided with the installing hole identical with the shape of cross section of driving shaft 10 31, driving shaft 10 is through installing hole 31, make between driving shaft 10 and installing hole 31 without relatively moving, be can not relatively rotate between eccentric wheel 30 and driving shaft 10, thereby eccentric wheel 30 can be rotated together with driving shaft 10, and the bottom surface of eccentric wheel 30 is resisted against the block reinforcement 20 that driving shaft 10 radial direction arrange, make eccentric wheel 30 there will not be the problem of coming off, thereby the reliability and stability of rocking carrier work are effectively promoted, reduce product rejection risk, quality and the production efficiency of product are ensured, reduced maintenance personal's labour intensity simultaneously.
Wherein, preferably, driving shaft 10 is matched in clearance with installing hole 31.
Matched in clearance makes driving shaft 10 more easily through installing hole 31, thereby has effectively reduced assembly difficulty, and still, in order to ensure that driving shaft 10 is with movable eccentric wheel 30 synchronously to rotate, the gap between driving shaft 10 and installing hole 31 should not be excessive.
In a specific embodiment of the present utility model, as shown in Figure 4, Figure 5 and Figure 6, on installing hole 31 hole wall corresponding with tangential section, be provided with 311, two screws of two screw holes and be screwed into respectively in two screw holes 311, and be pressed on tangential section.
Particularly, as shown in Figure 4 and Figure 5, the central point line of two screw holes 311 is parallel to the axis of eccentric wheel 30.
In order further to ensure the bonding strength between driving shaft 10 and installing hole 31, prevent that situation about relatively rotating between driving shaft 10 and installing hole 31 from occurring, use two screws that the cambered surface part of the cambered surface part of driving shaft 10 and installing hole 31 is tightly fit together, effectively avoided radially jumping of driving shaft 10.
Certainly, also can be according to different demands, select a screw hole or plural screw hole are set, do not repeat them here.
Preferably, eccentric wheel 30 is polypropylene eccentric wheel 30, and the driving shaft 10 being arranged in development cylinder is stainless steel driving shaft 10, and the driving shaft 10 being arranged in etching cylinder is titanium alloy driving shaft 10.
Polypropylene has good corrosion, mechanical strength excellence, and the feature such as easy to process, thus make the processing of eccentric wheel 30 simple and convenient, and there is good corrosion, good bonding strength; In order to ensure working strength and the useful life of driving shaft 10, according to chemical medicinal liquid characteristic, adopt stainless steel material to make the driving shaft 10 being arranged in development cylinder, adopt titanium alloy material to make the driving shaft 10 being arranged in etching cylinder, to ensure spray equipment reliability in use.
In a concrete example of the present embodiment, eccentric wheel 30 comprises: upper eccentric wheel 30 and lower eccentric wheel 30;
Particularly, the circle centre position of upper eccentric wheel 30 is provided with first installing hole 31 identical with driving shaft 10 shapes, the circle centre position of lower eccentric wheel 30 is provided with second installing hole 31 identical with driving shaft 10 shapes, and the aperture of the second installing hole 31 is greater than the aperture of the first installing hole 31;
As shown in Figure 2, block reinforcement 20 comprises: the first annular block reinforcement 20 and the second annular block reinforcement 20;
Particularly, the external diameter of the first annular block reinforcement 20 is greater than the aperture of the first installing hole 31 and is less than the aperture of the second installing hole 31, the bottom surface of upper eccentric wheel 30 is resisted against in the first annular block reinforcement 20, the external diameter of the second annular block reinforcement 20 is greater than the aperture of the second installing hole 31, and the bottom surface of lower eccentric wheel 30 is resisted against in the second annular block reinforcement 20.
The external diameter of the first annular block reinforcement 20 is greater than the aperture of the first installing hole 31 and is less than the aperture of the second installing hole 31, make the first annular block reinforcement 20 can effectively stop that eccentric wheel 30 comes off, the external diameter of the second annular block reinforcement 20 is greater than the aperture of the second installing hole 31, the aperture of cause the second installing hole 31 is greater than the aperture of the first installing hole 31, following eccentric wheel 30 can be from installing near one end of the first annular block reinforcement 20, and under the stopping of the second annular block reinforcement 20, be arranged on driving shaft 10.
Alternatively, the first annular block reinforcement 20, the second annular block reinforcement 20 are integral type structure with driving shaft 10.
The mechanical property of integral structure is good, the first annular block reinforcement 20, the second annular block reinforcement 20 are integral type structure with driving shaft 10, effectively ensure the bonding strength between the first annular block reinforcement 20, the second annular block reinforcement 20 and driving shaft 10, in order to reduce production costs, enhance productivity, the first annular block reinforcement 20, the second annular block reinforcement 20 can be made into integration to batch production with driving shaft 10.
As shown in Figure 2, preferably, driving shaft 10 comprises: Part I 11 and Part II 12;
Particularly, the diameter of Part I 11 is less than the aperture of the first installing hole 31, the first annular block reinforcement 20 is arranged on Part I 11, and the diameter of Part II 12 is greater than the diameter of Part I 11 and is less than the aperture of the second installing hole 31, and the second annular block reinforcement 20 is arranged on Part II 12.
Driving shaft 10 comprise the Part I 11 suitable with the first installing hole 31 and with the suitable Part II 12 of the second installing hole 31, like this, effectively avoid being greater than because of the aperture of the second installing hole 31 aperture of the first installing hole 31, situation about relatively rotating between the driving shaft 10 causing and the second installing hole 31 occurs, thereby makes driving shaft 10 can synchronously drive two eccentric wheels 30 to rotate.
In sum, the spray equipment that the utility model provides, effectively ensure the bonding strength between eccentric wheel and driving shaft, avoid dropping because of eccentric wheel, cause rocking carrier normally to work, cause the situation that printed circuit board (PCB) is scrapped in enormous quantities to occur, thereby effectively promoted the reliability and stability of rocking carrier work, reduced product rejection risk.
In the description of this specification, term " first ", " second ", " the 3rd " only object for describing, and can not be interpreted as instruction or hint relative importance, unless otherwise clearly defined and limited; The terms such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this specification, the description of term " embodiment ", " some embodiment ", " specific embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a spray equipment, is arranged in the development cylinder and etching cylinder for making printed circuit board (PCB), it is characterized in that, described spray equipment comprises:
Driving shaft, described driving shaft has the tangential section arranging along self axial direction, and the block reinforcement arranging along self radial direction, and described driving shaft can rotate along self axis;
Eccentric wheel, described eccentric circle centre position is provided with the installing hole identical with the shape of cross section of described driving shaft, described driving shaft is through described installing hole, and described eccentric bottom surface is resisted against in described block reinforcement, and described driving shaft and described eccentric wheel are linked into an integrated entity; With
Rocking carrier, on described rocking carrier, be provided with multiple nozzles, described rocking carrier is connected with described eccentric wheel by connecting plate, and the rotation of described driving shaft drives described eccentric wheel to rotate, described eccentric rotation drives described connecting plate to move, and the mobile of described connecting plate drives described rocking carrier to move.
2. spray equipment according to claim 1, is characterized in that,
Described driving shaft and described installing hole are matched in clearance.
3. spray equipment according to claim 2, is characterized in that,
Described eccentric wheel comprises:
Upper eccentric wheel, described eccentric circle centre position is provided with first installing hole identical with described driving shaft shape; With
Lower eccentric wheel, described lower eccentric circle centre position is provided with second installing hole identical with described driving shaft shape, and the aperture of described the second installing hole is greater than the aperture of described the first installing hole;
Described block reinforcement comprises:
The first annular block reinforcement, the external diameter of described the first annular block reinforcement is greater than the aperture of described the first installing hole and is less than the aperture of described the second installing hole, and described eccentric bottom surface is resisted against in described the first annular block reinforcement; With
The second annular block reinforcement, the external diameter of described the second annular block reinforcement is greater than the aperture of described the second installing hole, and described lower eccentric bottom surface is resisted against in described the second annular block reinforcement.
4. spray equipment according to claim 3, is characterized in that,
Described the first annular block reinforcement, described the second annular block reinforcement and described driving shaft are integral type structure.
5. spray equipment according to claim 3, is characterized in that,
Described driving shaft comprises:
Part I, the diameter of described Part I is less than the aperture of described the first installing hole, and described the first annular block reinforcement is arranged on described Part I; With
Part II, the diameter of described Part II is greater than the diameter of described Part I and is less than the aperture of described the second installing hole, and described the second annular block reinforcement is arranged on described Part II.
6. according to the spray equipment described in any one in claim 1 to 5, it is characterized in that,
On the described installing hole hole wall corresponding with described tangential section, be provided with two screw holes, two screws are screwed into respectively in two described screw holes, and are pressed on described tangential section.
7. spray equipment according to claim 6, is characterized in that,
The central point line of two described screw holes is parallel to described eccentric axis.
8. spray equipment according to claim 6,
Described eccentric wheel is polypropylene eccentric wheel.
9. spray equipment according to claim 6, is characterized in that,
The described driving shaft being arranged in development cylinder is stainless steel driving shaft.
10. spray equipment according to claim 6, is characterized in that,
The described driving shaft being arranged in etching cylinder is titanium alloy driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354266.1U CN203951685U (en) | 2014-06-27 | 2014-06-27 | Spray equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354266.1U CN203951685U (en) | 2014-06-27 | 2014-06-27 | Spray equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203951685U true CN203951685U (en) | 2014-11-19 |
Family
ID=51893698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354266.1U Active CN203951685U (en) | 2014-06-27 | 2014-06-27 | Spray equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203951685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382413A (en) * | 2015-12-23 | 2016-03-09 | 江苏启澜激光科技有限公司 | Industrial laser cutting machine |
-
2014
- 2014-06-27 CN CN201420354266.1U patent/CN203951685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382413A (en) * | 2015-12-23 | 2016-03-09 | 江苏启澜激光科技有限公司 | Industrial laser cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220627 Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031 Patentee after: New founder holdings development Co.,Ltd. Patentee after: ZHUHAI FOUNDER TECH. MULTILAYER PCB Co.,Ltd. Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 9 floor Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER TECH. MULTILAYER PCB Co.,Ltd. |
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| TR01 | Transfer of patent right |