CN202877968U - Vacuum clamp for machining sheet type parts - Google Patents
Vacuum clamp for machining sheet type parts Download PDFInfo
- Publication number
- CN202877968U CN202877968U CN 201220447017 CN201220447017U CN202877968U CN 202877968 U CN202877968 U CN 202877968U CN 201220447017 CN201220447017 CN 201220447017 CN 201220447017 U CN201220447017 U CN 201220447017U CN 202877968 U CN202877968 U CN 202877968U
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- groove
- longitudinal fluting
- control hole
- base plate
- hole
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Abstract
The utility model discloses a vacuum clamp for machining sheet type parts. The vacuum clamp comprises a base plate with the smooth upper surface. A vacuum absorption groove is machined in upper surface of the base plate, a groove is machined in the bottom surface of the base plate, a sealing cover plate covers the groove, at least one groove control hole I is arranged inside the vacuum absorption groove, and the vacuum absorption groove is communicated with the groove through the groove control hole I. A vacuum pump connector is machined in the side surface of the base plate, a through hole is machined inside the groove, and the vacuum pump connector is communicated with the groove through the through hole. By utilizing a vacuum pump principle, parts to be machined are absorbed on the vacuum clamp, the parts are machined according to sizes in the process of machining, and high machining accuracy can be achieved.
Description
Technical field
The utility model relates to a kind of anchor clamps, relates in particular to the vacuum fixture of the sheet parts processing of using on a kind of CNC milling machine.
Background technology
In existing mechanical processing industry, the sheet parts processing of metal or nonmetallic materials is many especially, because the rigidity of part is lower, and needed part is thin especially, use traditional clamp workpiece under the effect of the factors such as clamping power, cutting force, cutting vibration, be out of shape after causing part processing, can't satisfy machining accuracy; And during the plate parts thinner thickness, existing jig can't with parts fixation to be processed on CNC milling machine, can not be realized the processing of thinner part.
The utility model content
The purpose of this utility model is to overcome the problem that above prior art exists, and a kind of vacuum fixture for sheet parts processing is provided.
For realizing the purpose of this utility model, the vacuum fixture of sheet parts processing, comprise the base plate with flat top surface, be processed with the vacuum suction groove above this base plate, the bottom surface of base plate is processed with groove, be coated with seal cover board on the groove, described vacuum suction inside grooves has at least one groove control hole I, and the vacuum suction groove is connected with groove by groove control hole I;
The side of described base plate is processed with the vavuum pump connector, is processed with through hole in the described groove, and the vavuum pump connector is connected with groove by through hole;
During work, the upper surface of described vacuum suction groove is coated with sheet parts, vacuum suction groove, groove control hole I, groove, seal cover board, the inner space that forms a connection of through hole, when the air of this interior volume by after extracting out with the vavuum pump of described vavuum pump connector, interior volume forms negative pressure, sheet parts is adsorbed on the upper surface of described base plate.
Be processed with the workbench connecting hole on the described base plate.
Described groove is the notch cuttype groove, is processed with annular groove at the upper surface of groove ladder, is provided with sealing rubber ring in this annular groove inside; The ladder upper surface of described groove also is processed with a plurality of bolts hole, described seal cover board by bolted on described sealing rubber ring.
Described vacuum suction groove is an annular groove that matches with the base plate shape, has a middle part transverse concave groove, and described groove control hole I is positioned at this middle part transverse concave groove, also has groove control hole II and groove control hole III in the transverse concave groove of middle part;
Described vacuum suction groove also comprises: with the first longitudinal fluting, the 3rd longitudinal fluting, the 5th longitudinal fluting that described middle part transverse concave groove crosses and is communicated with, described groove control hole I, groove control hole II and groove control hole III lay respectively at the intersection of described the first longitudinal fluting, the 3rd longitudinal fluting, the 5th longitudinal fluting and middle part transverse concave groove.
Have seal plug I, seal plug II, seal plug III on groove control hole I, groove control hole II, the groove control hole III, described seal plug and the releasable connection of groove control hole.
Between the first longitudinal fluting and the 3rd longitudinal fluting, has the second longitudinal fluting; Between the 3rd longitudinal fluting and the 5th longitudinal fluting, has the 4th longitudinal fluting; Difference filling with sealant bar I, sealing joint strip II in described the second longitudinal fluting, the 4th longitudinal fluting, described sealing joint strip I and sealing joint strip II and described the second longitudinal fluting, the 4th longitudinal fluting interference connect.
The utility model has the advantage of: utilize the vavuum pump principle that part to be processed tightly is adsorbed on the vacuum suction groove, both adopted reliable locate mode, reach higher machining accuracy.
Description of drawings
Fig. 1 is the top view of base plate 1.
Fig. 2 is the top view of base plate 1.
Fig. 3 is the cutaway view in A-A cross section.
Fig. 4 is the cutaway view in B-B cross section.
The specific embodiment
For making embodiment purpose of the present utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is known complete description:
Such as Fig. 1, Fig. 2, Fig. 3, the vacuum fixture that is used for sheet parts processing shown in Figure 4, comprising: 1. base plate; 2. seal cover board; 3. vavuum pump connecting hole; 4. sealing joint strip I; 4.1. sealing joint strip II; 6. through hole; 7. workbench connecting hole; 8. bolt hole; 9. sealing rubber ring; 10. vacuum suction groove; 11. groove; 12. annular groove; 20. groove control hole I; 21. groove control hole II; 22. groove control hole III; 30. seal plug I; 31. seal plug II; 32 seal plug III; 50. middle part transverse concave groove; 51 first longitudinal flutings; 52. the second longitudinal fluting; 53. the 3rd longitudinal fluting; 54. the 4th longitudinal fluting; 55. the 5th longitudinal fluting.
As shown in Figure 1, be processed with workbench connecting hole 7 on the base plate 1, before the processing parts, the vacuum fixture that sheet parts is processed is fixed on the CNC milling machine workbench.
As shown in Figure 3, Figure 4, groove 11 is stepped groove, and the ladder upper surface of groove 11 is processed with annular groove 12, and sealing rubber ring 9 and bolt hole 8 are arranged on the inside of annular groove 12, by bolt seal cover board 2 is fastened on the rubber ring 9 during processing parts, makes 11 one-tenth sealing states of groove.
As shown in Figures 2 and 3, vacuum suction groove 10 has middle part transverse concave groove 50, the first longitudinal fluting 51, the second longitudinal fluting 52, the 3rd longitudinal fluting 53, the 4th longitudinal fluting 54, the 5th longitudinal fluting 55, and middle part transverse concave groove 50 intersects at groove control hole I 20, groove control hole II 21, groove control hole III 22 places with the first longitudinal fluting 51, the 3rd longitudinal fluting 53, the 5th longitudinal fluting 55 respectively.
As another kind of improvement project, as shown in Figure 3, be filled with seal plug I30, seal plug II 31 and seal plug III32 in groove control hole I 20, groove control hole II 21, the groove control hole III 22,3 seal plugs can optionally use during processing parts, when the machining large plate parts, should open all seal plug I30, seal plug II 31 and seal plug III32, optionally open sealing joint strip I 4 or sealing joint strip I 4 and sealing joint strip II4.1 are all opened, can make like this vacuum suction groove 10 be subject to larger absorption affinity.
As shown in Figure 2, be filled with sealing joint strip I 4 and sealing joint strip II 7 in the second longitudinal fluting 52 and the 4th longitudinal fluting 54, during processing parts, optionally use sealing joint strip I 4, can regulate the size of vacuum suction groove 10 suffered absorption affinities, thereby make anchor clamps can process large, medium and small plate parts.
The vacuum fixture that is used for sheet parts processing, it uses step as follows:
Step is fixed on the workbench anchor clamps 1. at workbench connecting hole 7 construction bolts, seal cover board 2 is covered on groove 11, and with bolt seal cover board 2 is fastened on the groove 11;
2. step puts into sealing joint strip I 4, sealing joint strip II 4.1 the second longitudinal fluting 52, the 4th longitudinal fluting 54 of vacuum suction groove 10, and seal plug I 30 puts into that groove control hole I 20, seal plug II 31 are put into groove control hole II 21, seal plug III 32 is put into groove control hole III 22;
3. step is connected vavuum pump connector 3 and vavuum pump, utilizes vavuum pump with the air sucking-off in the groove 11, makes its groove 11 form negative pressure;
4. step opens seal plug I 30, seal plug II 31, seal plug III 32, and sealing joint strip I4 and sealing joint strip II 4.1, make the vacuum suction groove 10 that contacts with workpiece also become negative pressure state, because the air pressure of vacuum suction groove 10 tightly is adsorbed on the vacuum suction groove 10 part to be processed less than outdoor air pressure.
During processing parts, the adjustment combination by three groove control holes and two sealing joint strips can realize processing large, medium and small type part: all open when three seal plugs, two sealing joint strips all remove, and can process the thin large-scale plate parts of base thickness 4～5mm; When seal plug I 30, seal plug II 31 are opened, sealing joint strip I 4 is removed (or seal plug II 31, seal plug III 32 open, corresponding sealing joint strip II 4.1 is removed), can process the thin medium-sized plate parts of base thickness 3～4mm; When seal plug I 30(is only arranged or seal plug II 31 only being arranged or seal plug III 32 is only arranged) open and just can process the thin small-sized plate parts of base thickness 2～3mm.
Statement and description of drawings by above-mentioned literal can find out that the utility model utilizes the vavuum pump principle, and part to be processed is adsorbed on the vacuum fixture, add to adopt man-hour a minute part dimension to process, and therefore reach higher machining accuracy.
The above; it only is the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. the vacuum fixture of sheet parts processing, it is characterized in that: described anchor clamps comprise the base plate (1) with flat top surface, be processed with vacuum suction groove (10) above this base plate (1), the bottom surface of base plate (1) is processed with groove (11), be coated with seal cover board (2) on the groove (11), described vacuum suction groove (10) inside has at least one groove control hole I(20), vacuum suction groove (10) is by groove control hole I(20) be connected with groove (11);
The side of described base plate (1) is processed with vavuum pump connector (3), is processed with through hole (6) in the described groove (11), and vavuum pump connector (3) is connected with groove (11) by through hole (6);
During work, the upper surface of described vacuum suction groove (10) is coated with sheet parts, vacuum suction groove (10), groove control hole I(20), the inner space that forms a connection of groove (11), seal cover board (2), through hole (6), when the air of this interior volume by after extracting out with the vavuum pump of described vavuum pump connector (3), interior volume forms negative pressure, sheet parts is adsorbed on the upper surface of described base plate (1).
2. the vacuum fixture of sheet parts processing according to claim 1 is further characterized in that: be processed with workbench connecting hole (7) on the described base plate (1).
3. the vacuum fixture of sheet parts according to claim 1 processing, be further characterized in that: groove (11) is the notch cuttype groove, upper surface at groove (11) ladder is processed with annular groove (12), is provided with sealing rubber ring (9) in this annular groove (12) inside; The ladder upper surface of described groove (11) also is processed with a plurality of bolts hole (8), described seal cover board (2) by bolted on described sealing rubber ring (9).
4. the vacuum fixture of sheet parts according to claim 1 processing, be further characterized in that: described vacuum suction groove (10) is an annular groove that matches with base plate (1) shape, has a middle part transverse concave groove (50), described groove control hole I(20) be positioned at this middle part transverse concave groove (50), in middle part transverse concave groove (50), also have groove control hole II(21) and groove control hole III(22);
Described vacuum suction groove (10) also comprises: with the first longitudinal fluting (51), the 3rd longitudinal fluting (53), the 5th longitudinal fluting (55) that described middle part transverse concave groove (50) crosses and is communicated with, described groove control hole I(20), groove control hole II(21) and groove control hole III(22) lay respectively at the intersection of described the first longitudinal fluting (51), the 3rd longitudinal fluting (53), the 5th longitudinal fluting (55) and middle part transverse concave groove (50).
5. the vacuum fixture of sheet parts according to claim 4 processing, be further characterized in that: groove control hole I(20), groove control hole II(21), groove control hole III(22) on have seal plug I(30), seal plug II(31), seal plug III(32), described seal plug and the releasable connection of groove control hole.
6. the vacuum fixture of sheet parts processing according to claim 4 is further characterized in that: have the second longitudinal fluting (52) between the first longitudinal fluting (51) and the 3rd longitudinal fluting (53); Between the 3rd longitudinal fluting (53) and the 5th longitudinal fluting (55), has the 4th longitudinal fluting (54); Filling with sealant bar I(4 respectively in described the second longitudinal fluting (52), the 4th longitudinal fluting (54)), sealing joint strip II(4.1), described sealing joint strip I(4) be connected with sealing joint strip II(4.1 and be connected with described the second longitudinal fluting (52), the 4th longitudinal fluting (54) interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447017 CN202877968U (en) | 2012-09-04 | 2012-09-04 | Vacuum clamp for machining sheet type parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447017 CN202877968U (en) | 2012-09-04 | 2012-09-04 | Vacuum clamp for machining sheet type parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202877968U true CN202877968U (en) | 2013-04-17 |
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ID=48069433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220447017 Expired - Fee Related CN202877968U (en) | 2012-09-04 | 2012-09-04 | Vacuum clamp for machining sheet type parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202877968U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668684A (en) * | 2015-03-19 | 2015-06-03 | 柳州市永益机械制造有限公司 | Linear cutting machine tool processing part clamping method |
| CN106216530A (en) * | 2016-07-30 | 2016-12-14 | 深圳科瑞技术股份有限公司 | A kind of based on mobile phone automatized equipment quickly accurate cover replacing device |
| CN106514382A (en) * | 2016-12-14 | 2017-03-22 | 中航飞机股份有限公司西安飞机分公司 | Vacuum absorbing method for machining multi-rib parts and milling fixture |
| CN110027904A (en) * | 2019-04-12 | 2019-07-19 | 佛山市汇创科技有限公司 | A kind of feeding system of lithium cell up- coiler |
-
2012
- 2012-09-04 CN CN 201220447017 patent/CN202877968U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668684A (en) * | 2015-03-19 | 2015-06-03 | 柳州市永益机械制造有限公司 | Linear cutting machine tool processing part clamping method |
| CN106216530A (en) * | 2016-07-30 | 2016-12-14 | 深圳科瑞技术股份有限公司 | A kind of based on mobile phone automatized equipment quickly accurate cover replacing device |
| CN106216530B (en) * | 2016-07-30 | 2018-04-17 | 深圳科瑞技术股份有限公司 | One kind is based on mobile phone automatized equipment quickly accurate cover replacing device |
| CN106514382A (en) * | 2016-12-14 | 2017-03-22 | 中航飞机股份有限公司西安飞机分公司 | Vacuum absorbing method for machining multi-rib parts and milling fixture |
| CN110027904A (en) * | 2019-04-12 | 2019-07-19 | 佛山市汇创科技有限公司 | A kind of feeding system of lithium cell up- coiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20150904 |
|
| EXPY | Termination of patent right or utility model |