CN202491083U - Special fixture for flashboard processing - Google Patents
Special fixture for flashboard processing Download PDFInfo
- Publication number
- CN202491083U CN202491083U CN2012200443379U CN201220044337U CN202491083U CN 202491083 U CN202491083 U CN 202491083U CN 2012200443379 U CN2012200443379 U CN 2012200443379U CN 201220044337 U CN201220044337 U CN 201220044337U CN 202491083 U CN202491083 U CN 202491083U
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- Prior art keywords
- flashboard
- plane
- special fixture
- lining
- block
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- 238000007789 sealing Methods 0.000 abstract description 53
- 238000007514 turning Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 29
- 239000008393 encapsulating agent Substances 0.000 description 6
- 238000003672 processing method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a special fixture for flashboard processing which is used for fixing a flashboard. The special fixture for flashboard processing comprises a bottom seat, and a support and a V-shaped block fixedly arranged on the bottom seat, a positioning support device is arranged on the support, a first inclined face and a second inclined face contacted with the flashboard are arranged on the V-shaped block, the first inclined face and the second inclined face are both provided with a V-shaped groove, and one end of the positioning support device is further provided with a support key contacted with the flashboard. The special fixture firmly fixes a flashboard blank to be processed, so that the flashboard blank doesn't move in any direction during processing and during the processing of two sealing faces of the flashboard, the flashboard is not needed to be dismounted and then to be mounted again, and rough turning or finish turning of the two sealing faces of the flashboard can be completed only by one-time flashboard clamping.
Description
Technical field
The utility model relates to the gate valve manufacture field, relates to a kind of special fixture that is used for flashboard processing specifically.
Background technology
Flashboard is to realize that gate valve is opened and closed core component; Gate valve relates to flashboard 1 and valve body 2, and Fig. 1 is the structural representation of flashboard, from figure, can know; Flashboard 1 comprises primary sealing area 11 and secondary sealing area 12, and the angle between primary sealing area 11 and the secondary sealing area 12 is the angle of wedge of flashboard.Fig. 2 is the structural representation of valve body, and the angle that gate valve body 2 is provided with between the 3rd sealing surface 21 that cooperates with primary sealing area 11 and the 4th sealing surface 22, the three sealing surfaces 21 that cooperate with secondary sealing area 12 and the 4th sealing surface 22 is the angle of wedge of valve body.Processing, the quality of fit of the flashboard angle of wedge are had relatively high expectations, and promptly the angle of wedge of flashboard sealing surface must be consistent with the angle of wedge strict guarantee of valve body sealing surface, could guarantee the exchange of the flashboard and the valve body of gate valve like this, and guarantee sealing property.
At present, adopt vertical lathe or horizontal lathe to cooperate the frock clamp of band grade bar to process flashboard usually, but in process, need multiple clamping could accomplish the processing of flashboard primary sealing area and secondary sealing area; Form and position tolerance does not reach requirement, makes valve body and flashboard match assembling one by one, and parts can not exchange; And sealing is relatively poor; Thereby cause processing cost high, machining accuracy does not reach requirement, and reduces production efficiency.
The utility model content
The utility model technical problem to be solved provides a kind of flashboard special fixture of realizing the flashboard processing method.For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of special fixture; Be used for fixing flashboard; Comprise base and be fixed at support, the V-block on the base, said support is provided with device for positioning and supporting, and said V-block is provided with first inclined-plane, second inclined-plane that contacts with said flashboard; Be equipped with V-shaped groove on said first inclined-plane, second inclined-plane, an end of said device for positioning and supporting also is provided with the support key that contacts with flashboard.
Further, said support, V-block, device for positioning and supporting respectively have two, all are arranged on the base in the face of claiming with center.
Further; Said device for positioning and supporting comprises carriage release lever, be provided with first lining of through hole, be provided with second lining of blind hole; Said first lining is connected with support, and said carriage release lever, second lining all are located in the through hole of first lining, and carriage release lever cooperates with the first lining inner thread; One end of carriage release lever stretches in the blind hole of second lining, one end, and the other end of second lining is said support key.
Preferably, be provided with guide pin bushing in said second lining, carriage release lever is provided with groove, and said guide pin bushing is connected with groove.
Further; V-block and back V-block before said V-block comprises; V-block is provided with the 3rd inclined-plane, the 4th inclined-plane before said; Said back V-block is provided with the 5th inclined-plane, the 6th inclined-plane, and said the 3rd inclined-plane and the 5th inclined-plane are connected to form said V-shaped groove, and said the 4th inclined-plane and the 6th inclined-plane are connected to form said V-shaped groove.
This special fixture fixedly secures flashboard blank to be processed; Make the flashboard blank in process, can not produce moving of any direction; And this special fixture also makes in the process of two sealing surfaces of processing flashboard; Need flashboard not unloaded and refill, and only need a clamping flashboard just can accomplish rough turn or finish turning two sealing surfaces of flashboard.
Description of drawings
Fig. 1 is the front view of gate valve flashboard.
Fig. 2 is the cutaway view of gate valve body.
Fig. 3 is that the A-A of Fig. 1 is to cutaway view.
Fig. 4 is the front view of the special fixture of a fixing flashboard in the utility model.
Fig. 5 is the front view of the special fixture of fixing two flashboards in the utility model.
Fig. 6 is the structural representation of process equipment 4 in the utility model.
Fig. 7 is the front view of Fig. 6.
Fig. 8 is the vertical view of Fig. 6.
Fig. 9 is the vertical view of process equipment processing primary sealing area.
Figure 10 is the vertical view of process equipment processing secondary sealing area.
Figure 11 is the schematic diagram of tool feeding among the utility model process equipment one embodiment.
Figure 12 is the structural representation of V-block among Fig. 5.
Figure 13 is that the B-B of Figure 12 is to cutaway view.
Figure 14 is that the C-C of Figure 12 is to cutaway view.
The specific embodiment
The utility model relates to a kind of flashboard processing method; Said flashboard 1 comprises primary sealing area 11 and secondary sealing area 12, sees Fig. 1 and Fig. 3, and the angle between said primary sealing area 11 and the secondary sealing area 12 is α; Said α is the angle of wedge of flashboard 1; The process equipment 4 of processing flashboard 1 is provided with rotary disk 46, and said rotary disk 46 is provided with special fixture 3, and said flashboard processing method may further comprise the steps:
1) said special fixture 3 fixing said flashboards 1 make the main shaft of the vertical and process equipment 4 of the median plane 14 of flashboard 1;
2) rotary disk 46 of said process equipment 4 rotates 0.5 α angle along first direction, rough turn processing primary sealing area 11; After processing primary sealing area 11, said rotary disk 46 continues Rotate 180s °-α angle, rough turn processing secondary sealing area 12;
3) process secondary sealing area 12 after, unload lower flashboard 1, built-up welding encapsulant on said primary sealing area 11 and secondary sealing area 12;
4) special fixture 3 fixing flashboard 1 once more makes the main shaft of the median plane 14 of flashboard 1 perpendicular to process equipment 4;
5) rotary disk 46 of said process equipment 4 rotates 0.5 α angle along first direction, rough turn processing primary sealing area 11; After processing primary sealing area 11, said rotary disk 46 continues Rotate 180s °-α angle, rough turn processing secondary sealing area 12;
6) process secondary sealing area 12 after, unload lower flashboard 1.
In the above-mentioned steps during rough turn or finish turning, rotary disk 46 rotations 0.5 α angle, Rotate 180 °-this direction of rotation of twice of α angle is consistent.Said encapsulant is to confirm according to the pairing gate valve model of flashboard of concrete processing, and the encapsulant that the gate valve of different model is corresponding is different, should select according to standard when selecting concrete encapsulant.Further, said process equipment all uses the U axle that primary sealing area 11, secondary sealing area 12 are carried out rough turn and finish turning, and so-called U axle just is meant cutter in rotation, and cutter head can be done radial feed along the knife rest end face and move.Preferably, said flashboard 1 is the flashboard blank of acceptance(check) on request, and said flashboard blank is forging or foundry goods, and the material of flashboard 1 can adopt casting pig, spheroidal graphite cast-iron, carbon steel, stainless steel, steel alloy.For the inserted flashboard of another kind, when processing this flashboard, rough turn intact two sealing surfaces unload flashboard; Inlaying the direct welding of sealing ring gets final product; Saved built-up welding encapsulant, the finish turning procedure of processing (said step 3,4,5) of back, used above-mentioned processing method to process inserted flashboard, only clamping of need just can be accomplished the processing of sealing surface; Machining accuracy is higher, form and position tolerance and the expenditure of time that can also avoid once more clamping to cause simultaneously.Further, said flashboard 1 is used for the above gate valve of inside nominal diameter DN80, and flashboard 1 can have following several kinds: wedge-type flexible disc, wedge-type rigidity single disc, wedge-type rigidity double disc, run-in index rigidity single disc or run-in index rigidity double disc.
Further; The utility model also relates to a kind of special fixture 3; Be used for fixing flashboard 1, see Fig. 4, this special fixture 3 comprises base 31 and is fixed at support 32, the V-block 33 on the base 31; Said support 32 is provided with device for positioning and supporting 35; Said V-block 33 is provided with first inclined-plane 331, second inclined-plane 332 that contacts with said flashboard 1, is equipped with V-shaped groove 333 on said first inclined-plane 331, second inclined-plane 332, and an end of said device for positioning and supporting 35 also is provided with the support key 3531 that contacts with flashboard 1.Further; See Figure 12, Figure 13 and Figure 14; V-block 334 and back V-block 335 before said V-block 33 comprises, said before V-block 334 be provided with the 3rd inclined-plane 3341, the 4th inclined-plane 3342, said back V-block 335 is provided with the 5th inclined-plane 3351, the 6th inclined-plane 3352; Said the 3rd inclined-plane 3341 and the 5th inclined-plane 3351 are connected to form said V-shaped groove 333, and said the 4th inclined-plane 3342 and the 6th inclined-plane 3352 are connected to form said V-shaped groove 333.Said first inclined-plane 331 and second inclined-plane 332 are used to prevent that flashboard 1 from it play taking place upwards directly, and said V-shaped groove 333 is used to prevent that flashboard 1 from it is axial play taking place.Said V-block 33 is used for fixing flashboard with V-shaped groove 333, its curvature less than institute fixedly flashboard be the curvature of curved surface, then V-block 33 and V-shaped groove 333 can adopt other shapes, like U-shaped, semicircle or other ruled surfaces.The special fixture 3 of this structure can be fixed a flashboard 1, and the size of anchor clamps is confirmed according to the paddle sizes of reality processing.
Further; See Fig. 5, said device for positioning and supporting 35 comprises carriage release lever 351, be provided with through hole 3520 first lining 352, be provided with second lining 353 of blind hole 3530, said first lining 352 is connected with support 32; Said carriage release lever 351, second lining 353 all are located in the through hole 3520 of first lining 352; Carriage release lever 351 cooperates with first lining, 352 inner threads, and an end of carriage release lever 351 stretches in the blind hole 3530 of second lining, 353 1 ends, and the other end of second lining 353 is said support key 3531; Second lining 353 supports key 3531 through this and is connected with the inverted T shape groove 13 of flashboard 1, and promptly anchor clamps are supporting key 3531 places to support force of flashboard.Preferably, be provided with guide pin bushing 354 in said second lining 353, carriage release lever 351 is provided with groove 3510, and said guide pin bushing 354 is connected with groove 3510.Can make wholely when the said carriage release lever 351 and second lining 353 are made, also can make split.When in guaranteeing device for positioning and supporting 35, supporting key and moving is under the situation about moving horizontally, and each parts in the device for positioning and supporting 35 can adopt other regular geometries: like square, rectangle etc.
The concrete operations that flashboard 1 is installed on the special fixture 3 are: flashboard 1 is put between support 32 and the V-block 33; The support key 3531 of one end of second lining 353 is connected with inverted T-slot 13 in the middle of the flashboard 1; Be the centre of location with inverted T-slot 13 when being clamping flashboard 1; Rotate carriage release lever 351 then; Make carriage release lever 351 to moving near V-block 33 directions, carriage release lever 351 drives second lining 353 and moves toward the directions near V-block 33, and flashboard 1 and first inclined-plane 331, second inclined-plane 332, V-shaped groove 333 are contacted; This moment first inclined-plane 331, second inclined-plane 332, V-shaped groove 333, support 3531 pairs of flashboards of key 1 and produce support force, make special fixture 3 firmly fix flashboard 1.Guide pin bushing 354 in second lining 353 does not produce radial deflection when carriage release lever 351 is moved axially, and then guarantees positioning accuracy.If special fixture 3 is the anchor clamps of adorning a flashboard shown in Figure 5, then clamping finishes.If special fixture 3 is the anchor clamps of adorning two flashboards 1 shown in Figure 4, then adorned a flashboard 1 after, refill another flashboard 1, concrete operations are the same.
The utility model also relates to a kind of process equipment 4 that comprises above-mentioned described special fixture 3; See Fig. 6, Fig. 7 and Fig. 8; The main shaft of this process equipment 4 is level (Z-direction), and said process equipment 4 comprises lathe bed 41, and said lathe bed 41 is provided with column 42; Said column 42 connects main spindle box 43 and moves up and down driving mechanism, and the said driving mechanism that moves up and down makes main spindle box 43 move up and down (moving up and down in Y direction) along column 42; Said main spindle box 43 comprises main shaft, is located at the facing head of spindle nose, on the said facing head cutter is housed, and said cutter can be done the radial feed motion on facing head, and promptly this cutter is the processing of a U axle to workpiece when processing work; Said lathe bed 41 is provided with slide unit 44 and move left and right driving mechanism, and said move left and right driving mechanism makes slide unit 44 along lathe bed 41 move left and right (in the Z-direction move left and right), promptly slide unit 44 do near or away from the motion of main spindle box 43; Said slide unit 44 is provided with workbench 45 and moves forward and backward driving mechanism, and the said driving mechanism that moves forward and backward makes workbench 45 move forward and backward (X-direction moves forward and backward) along slide unit 44; Said workbench 45 comprises end-toothed disc and is located at the rotary disk 46 on the end-toothed disc end face, and said rotary disk 46 is connected with said special fixture 3, and said workbench 45 and rotary disk 46 can be monoblock type, also can be for split type.
Preferably; Said rotary disk 46 is provided with locating slot 461 and center positioning hole 462; Said special fixture 3 is provided with positioning key 36 and centralized positioning piece 37; Said positioning key 36 cooperates with locating slot 461, and said centralized positioning piece 37 cooperates with center positioning hole 462, is about to rotary disk 46 and is connected with special fixture 3.Further, said locating slot 461 has 8, along rotary disk 46 circumferentially all with distribute, when special fixture 3 was fixed two flashboards or fixed a large-sized flashboard, special fixture 3 was connected with two locating slots 461 on the rotary disk 46; When the fixing undersized flashboard of special fixture 3, then special fixture 3 is connected with a locating slot 461 on the rotary disk 46, can adorn a plurality of special fixtures 3 on the rotary disk 46 at this moment, is 8 at most, that is to say, can process a plurality of flashboards simultaneously.Generally speaking, process 2 flashboards simultaneously for best.
During the processing flashboard; Earlier flashboard 1 is fixed on the special fixture 3; Special fixture 3 is contained on the rotary disk 46; The position of slide unit 44, workbench 45, rotary disk 46 and main spindle box 43 on the adjustment process equipment 4 makes special fixture 3 vertical with the main shaft of process equipment 4, even the center line of flashboard 1 is vertical and the main shaft of process equipment 4.Rotary disk 46 turns round 0.5 α, makes the primary sealing area 11 vertical and machine spindle of flashboard 1, sees Fig. 9, rough turn processing primary sealing area 11; After the process finishing, rotary disk 46 turns round 180 °-α, makes the secondary sealing area 12 vertical and machine spindle of this flashboard 1, sees Figure 10, rough turn processing secondary sealing area 12; Unload lower flashboard, built-up welding encapsulant on request on said primary sealing area 11 and secondary sealing area 12; Press the primary sealing area 11 and secondary sealing area 12 of rough turn step finish turning flashboard again.When processing primary sealing area 11 and secondary sealing area 12, special fixture 3 is fixed with flashboard 1, and cutter rotates and the radial feed motion.Rotation done by cutter and the radial feed motion can realize through following delivering gear: see Figure 11; This delivering gear comprises servomotor 210, and the output shaft 211 of said servomotor 210 is connected in transmission combination mechanism 220, and transmission combination mechanism 220 is connected with power transmission shaft 221; Power transmission shaft 221 passes the back and is connected with bevel gear 240 from main shaft 230 inside; The screw engages of bevel gear 240 and ball-screw 250, the nut of ball-screw 250 connects facing head slide plate, mounting cutter on the slide plate.
The flashboard processing method that the utility model relates to, flashboard special fixture and the process equipment that comprises this special fixture are when the processing flashboard; Only need a clamping just can accomplish processing to two sealing surfaces of flashboard; In the process of rough turn or two sealing surfaces of finish turning, need flashboard not unloaded and refill; Avoid the position error of twice clamping generation, guaranteed the machining accuracy of flashboard, and then guaranteed the interchangeability of flashboard and valve body.
Claims (5)
1. one kind is used for the special fixture (3) that flashboard is processed; Be used for fixing flashboard (1); It is characterized in that: comprise base (31) and be fixed at support (32), the V-block (33) on the base (31); Said support (32) is provided with device for positioning and supporting (35); Said V-block (33) is provided with first inclined-plane (331), second inclined-plane (332) that contact with said flashboard (1), is equipped with V-shaped groove (333) on said first inclined-plane (331), second inclined-plane (332), and an end of said device for positioning and supporting (35) also is provided with the support key (3531) that contacts with flashboard (1).
2. the special fixture that is used for flashboard processing according to claim 1; It is characterized in that: said support (32), V-block (33), device for positioning and supporting (35) respectively have two, and all the median plane (311) with base (31) is symmetricly set on the base (31).
3. the special fixture that is used for flashboard processing according to claim 1; It is characterized in that: said device for positioning and supporting (35) comprises carriage release lever (351), be provided with first lining (352) of through hole (3520), be provided with second lining (353) of blind hole (3530); Said first lining (352) is connected with support (32); Said carriage release lever (351), second lining (353) all are located in the through hole (3520) of first lining (352); Carriage release lever (351) cooperates with first lining (352) inner thread; One end of carriage release lever (351) stretches in the blind hole (3530) of second lining (353) one ends, and the other end of second lining (353) is provided with said support key (3531).
4. the special fixture that is used for flashboard processing according to claim 3; It is characterized in that: be provided with guide pin bushing (354) in said second lining (353); Carriage release lever (351) is provided with groove (3510), and said guide pin bushing (354) is connected with groove (3510).
5. the special fixture that is used for flashboard processing according to claim 1; It is characterized in that: said V-block (33) comprises preceding V-block (334) and back V-block (335); V-block (334) is provided with the 3rd inclined-plane (3341), the 4th inclined-plane (3342) before said; Said back V-block (335) is provided with the 5th inclined-plane (3351), the 6th inclined-plane (3352); Said the 3rd inclined-plane (3341) is connected to form said V-shaped groove (333) with the 5th inclined-plane (3351), and said the 4th inclined-plane (3342) is connected to form said V-shaped groove (333) with the 6th inclined-plane (3352).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200443379U CN202491083U (en) | 2012-02-10 | 2012-02-10 | Special fixture for flashboard processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200443379U CN202491083U (en) | 2012-02-10 | 2012-02-10 | Special fixture for flashboard processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491083U true CN202491083U (en) | 2012-10-17 |
Family
ID=46997326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200443379U Expired - Fee Related CN202491083U (en) | 2012-02-10 | 2012-02-10 | Special fixture for flashboard processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240615A (en) * | 2012-02-10 | 2013-08-14 | 上海茂德企业集团有限公司 | Flashboard processing method, clamp and processing equipment special for flashboard processing |
-
2012
- 2012-02-10 CN CN2012200443379U patent/CN202491083U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240615A (en) * | 2012-02-10 | 2013-08-14 | 上海茂德企业集团有限公司 | Flashboard processing method, clamp and processing equipment special for flashboard processing |
| CN103240615B (en) * | 2012-02-10 | 2016-03-16 | 上海茂德企业集团有限公司 | Flashboard processing method, for flashboard processing special fixture and process equipment |
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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: 20121017 Termination date: 20180210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |