CN102091737B - Automatic punching device for lattice cell pipe of spacer grid - Google Patents
Automatic punching device for lattice cell pipe of spacer grid Download PDFInfo
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- CN102091737B CN102091737B CN 201010568853 CN201010568853A CN102091737B CN 102091737 B CN102091737 B CN 102091737B CN 201010568853 CN201010568853 CN 201010568853 CN 201010568853 A CN201010568853 A CN 201010568853A CN 102091737 B CN102091737 B CN 102091737B
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Abstract
The invention belongs to a punching device, in particular relating to an automatic punching device for a lattice cell pipe of a spacer grid, which aims at improving the production efficiency and product quality. The automatic punching device comprises a lower die part and an upper die part, wherein the lower die part is fixed on a base; the upper die part is suspended above the lower die part and vertically moves; a feed/discharge part is arranged above the lower die part; a feed pipe is arranged above the feed/discharge part; a discharge port is arranged on the side surface of the feed/discharge part; a forming mechanism is arranged in the lower die part; the upper die part is provided with an upper central spindle; and the section of the upper central spindle is of a lattice cell pipe shape, and the upper central spindle is used for carrying a round pipe to be processed into the forming mechanism of the lower die part. The automatic punching device has a compact structure and strong adaptability, can be used for producing 15 products per minute, and greatly improving the production efficiency and product quality.
Description
Technical field
The invention belongs to a kind of die set, be specifically related to a kind of automatic stamping device of locating grid cell tube.
Background technology
Grid spacer is the critical component in the fuel assembly, and the lattice cell pipe in the common grid spacer is respectively uniform lattice cell pipe and different limit lattice cell pipe as shown in Figure 1 and Figure 2.
As shown in Figure 3, existing lattice cell pipe cold stamping formation system comprises the electrical equipment knot mouth of automatic feeding system, automatic stamping device, misdelivery material protective device, mould control module and hydraulic press 107.Wherein automatic feeding system comprises hopper 101, hopper base 102, feed pipe 103, is used for the feed pipe of sending into automatic stamping device 208 that the blank pipe is automatic, reliable and stable.
Wherein, automatic stamping device of locating grid cell tube is the pith of lattice cell pipe cold stamping formation system, is used for compressing lattice cell pipe, and makes the lattice cell pipe after the shaping all satisfy figure paper size and correlation technique requirement in each side such as size, outward appearances.
There is low, the ropy problem of punch die efficient in existing self-feeding die set.
Summary of the invention
The object of the present invention is to provide that a kind of production efficiency is high, the automatic stamping device of locating grid cell tube of good product quality.
Technical scheme of the present invention is:
A kind of automatic stamping device of locating grid cell tube, comprise the part of the lower die that is fixed on the base and the part of the upper die that is suspended at top, part of the lower die and vertical movement, it is characterized in that: top, described part of the lower die is equipped with the input and output material part, input and output material part top is provided with feed pipe, and input and output material part side has discharging opening, and inside, described part of the lower die is builder; Described part of the upper die is provided with mandrel; The cross section of described upper mandrel is the shape of lattice cell pipe, is used for bringing in the builder of part of the lower die for the processing pipe.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: described builder is the multilayer column structure, be fixed with a plurality of springs at described base, the spring top is stamped cover plate for having the slide block holder of a plurality of radial grooves above each radial groove of slide block holder is built-in with slide block, slide block; The top of described cover plate is equipped with pre-depression bar; Also be fixed with a plurality of oblique contracts that are positioned at the described slide block outside and restriction slide block movement scope on base, described slide block and oblique contract have the inclined-plane that matches, and the inside structure of described a plurality of slide blocks is combined into the shape of lattice cell pipe; Also have through hole on described each slide block, inside is equipped with slide block back-moving spring and the block that is fixed on the slide block holder; Has the through hole that mandrel is passed through on described slide block holder and the cover plate.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: described input and output material partly has feed position, working position, goes out material level and ejector block; Described feed position is corresponding with feed pipe, and described working position is corresponding with upper mandrel, goes out material level and links to each other with discharging opening; The part of the upper die promotes the ejector block of input and output material part by control lever, roller and push piece bar, make the generation processing pipe in the feed pipe enter into working position, and described generation processing pipe is suspended at working position by pulling-in dog.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: in the feed position of described input and output material part, go out material level and be used for the detector that the misdelivery material detects other the adding.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: described upper mandrel is divided into the guiding position of lower end, upper mandrel shaping with the middle part, described guiding position be cylindrical and diameter more smaller than generation processing pipe diameter, the cross section of upper mandrel shaping is identical with the shape of lattice cell pipe.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: the through hole of described slide block holder is built-in with lower mandrel, and described lower mandrel is fixed on the base by spring.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: the through hole top of described slide block holder is fixed with locating piece, and the structure of the inner die cavity of locating piece is identical with the internal structure of lattice cell pipe, size is greater than upper mandrel shaping size, but less than the size of the generation processing pipe that is positioned at upper mandrel shaping.
Aforesaid a kind of automatic stamping device of locating grid cell tube, wherein: the through hole top of described slide block holder is fixed with locating piece, and the structure of the inner die cavity of locating piece is identical with the internal structure of lattice cell pipe, size is greater than upper mandrel shaping size, but less than the size of the generation processing pipe that is positioned at upper mandrel shaping, described lower mandrel passes the inner die cavity of locating piece.
The invention has the beneficial effects as follows:
The present invention by the cross section be the upper mandrel of lattice cell tube shape, builder in input and output material on part of the lower die part and the part of the lower die, realized automatic feed and processing, improved production efficiency and product quality.
2. the slide block that matches by in builder, being equipped with a plurality of and upper mandrel shape of the present invention, make automatic stamping device provided by the invention have stronger extensibility, by replacing with mandrel and slide block end shape, or the slide block holder of different groove numbers can be made the lattice cell pipe of difformity type.
3. the present invention has feed position, working position, goes out the input and output material part of material level by employing, and by moving the push piece bar action that promotes the input and output material part on the part of the upper die, make automatic stamping device simple in structure, do not need extraneous auxiliary equipment.
4. the present invention is by partly arranging detector at input and output material, the problem that can't have been found by the staff when having solved built-in builder and maloperation occurring.
The present invention by upper mandrel being divided into the lower end the guiding position and the upper mandrel shaping at middle part, can make generation processing pipe be easy to be enclosed within on the mandrel, be difficult for deforming.
6. the present invention has solved generation processing pipe head and has produced the problem of distortion by lower mandrel is set under upper mandrel.
7. the present invention is by arranging locating piece above slide block holder through hole, by locating piece the guiding position that the generation processing garden pipe on the upper mandrel pushes through upper mandrel is entered its shaping, so far mould finished lattice cell pipe preformed and be shaped before the location.
Description of drawings
Fig. 1 is uniform lattice cell tubular construction schematic diagram;
Fig. 2 is different limit lattice cell tubular construction schematic diagram;
Fig. 3 is lattice cell pipe cold stamping formation system schematic diagram;
Fig. 4 is the structural representation of a kind of automatic stamping device of locating grid cell tube provided by the invention;
Fig. 5 is input and output material part-structure schematic diagram among Fig. 4;
Fig. 6 is the top plan view of input and output material part among Fig. 5;
The top view of the inner builder in part of the lower die among Fig. 7;
Fig. 8 is that the A-A of Fig. 5 is to profile;
Fig. 9 is the top cross-sectional view of the micro-adjusting mechanism of a kind of automatic stamping device of locating grid cell tube provided by the invention;
Figure 10 be micro-adjusting mechanism in Fig. 7 B-B to cutaway view;
Among the figure: 101. hoppers; 102. hopper base; 103. feed pipe; 107. hydraulic press; 201. control lever; 202. pre-depression bar; 203. push piece bar; 204. upper mandrel; 205. roller; 206. part of the upper die; 207. pumping board handgrip; 208. feed pipe; 209. part of the lower die; 210. input and output material part; 211. discharging opening; 212. base; 213. ejector block; 214. feed position; 215. working position; 216. go out material level; 217. pulling-in dog; 218. detector; 301. slide block; 303. cover plate; 305. generation processing pipe; 306. block; 307. slide block back-moving spring; 308. locating piece; 309. oblique contract; 310. lower mandrel; 311. slide block holder; 312. spring; 401. positioning seat; 402. the oblique contract of the first fine setting; 403. pin; 404. rotating shaft holder; 405. top rotary table; 406. lower rotary table; 407. rotating shaft; 408. the oblique contract of the second fine setting; 409. oblique contract; 410. dial; 411. the first adjusting screw(rod); 412. the second adjusting screw(rod).
The specific embodiment
Below in conjunction with accompanying drawing and embodiment a kind of automatic stamping device of locating grid cell tube that the present invention proposes is done further introduction:
In the following embodiments, part to be processed is the pipe with certain wall thickness, part after the processing is uniform lattice cell pipe among Fig. 1 or the different limit lattice cell pipe among Fig. 2, its cross sectional shape is orthohexagonal complex-curved, should guarantee the inscribed circle diameter size of lattice cell pipe and the precision of regular hexagon opposite side size after the processing.
Embodiment 1:
As shown in Figure 4, a kind of automatic stamping device of locating grid cell tube, comprise the part of the upper die 206 that vertically to move, the upper mandrel 204 that is connected with part of the upper die 206, also comprise the part of the lower die 209 that is fixed on the automatic stamping device base 212 and is positioned at 206 belows, part of the upper die, and the input and output material part 210 that is fixed on 209 tops, part of the lower die, 209 inside, described part of the lower die are lattice cell pipe builder.
Shown in Fig. 5,6, described input and output material part 210 tops are equipped with feed pipe 208, and input and output material part 210 sides have discharging opening 211; Described input and output material part 210 has feed position 214, working position 215 and goes out material level 216, and described feed position 214 is corresponding with feed pipe 208, and described working position 215 is corresponding with upper mandrel 204, goes out material level 216 and is connected with discharging opening 211; Part of the upper die 206 promotes the ejector block 213 of input and output material part 210 by control lever 201, roller 205 and push piece bar 203, make the generation processing pipe in the feed pipe 208 enter into working position 215, and described generation processing pipe is suspended at working position 215 by pulling-in dog 217; Described input and output material part 210 also can realize by manipulator adding or guide rail mode of movement etc. in the prior art.
The anomaly such as do not occur when working in order to ensure automatic stamping device getting stuck can and go out the material level 216 other detectors 218 that add in feed position 214, consists of the misdelivery material and detects protective device.
Described upper mandrel 204 cross sections are identical with the shape of lattice cell pipe, and the builder of bringing part of the lower die 209 for the generation processing pipe that will be positioned at working position 215 into shapes; In order to make generation processing pipe be easy to be enclosed within on the upper mandrel 204, the upper mandrel shaping that upper mandrel 204 is divided into guiding position and the middle part of lower end, the guiding position is cylindrical and diameter compares for processing pipe diameter smaller, the cross section of upper mandrel shaping is identical with the shape of lattice cell pipe, can make generation processing pipe be enclosed within the mandrel shaping and have the resilience surplus.
Shown in Fig. 5,6, builder integral body is cylindric, comprise successively from bottom to up a plurality of springs 312 that are fixed on the base 212, be fixed on the discoid of center band through hole on the spring 312 and have the slide block holder 311 of a plurality of radial grooves, be stamped the cover plate 303 that discoid center has through hole above in each radial groove of slide block holder 311, having slide block 301, slide block 301; The through hole of described slide block holder 311 and cover plate 303 can make mandrel 204 pass through;
On base 212, also be fixed with a plurality of oblique contracts 309 that are positioned at described slide block 301 outsides and restriction slide block 301 range of movement, described slide block 301 and tiltedly contract 309 have the inclined-plane that matches, slide block 301 by with the relative motion on oblique contract 309 inclined-planes can horizontal slip on slide block holder 311;
The inside structure of described a plurality of slide block 301 is combined into the shape of lattice cell pipe; Be the shape that the inside structure of six slide blocks is combined into uniform lattice cell pipe among Fig. 5, wherein three other three is concave shape in order to protrude shape, also replaceable each slide block inside structure and form the lattice cell pipe of other shapes.
Closely cooperate in order to make for processing pipe and slide block inside structure, the top of described slide block holder 311 through holes is fixed with discoid locating piece 308, the center of circle of locating piece 308 overlaps with the center of circle of slide block holder 311, and the structure of locating piece 308 inner die cavities is identical with the internal structure of lattice cell pipe, size is slightly larger than mandrel shaping size, but the size less than the generation processing pipe 305 that is positioned at upper mandrel shaping plays the effect that generation processing pipe 305 is pushed upper mandrel shaping; Slide block 301 inboards have the groove of placement positioning piece 308.
In order to make generation processing pipe 305 heads not produce distortion, be built-in with lower mandrel 310 at slide block holder 311 through holes, lower mandrel 310 is fixed on the base 212 by spring, and lower core shaft structure is identical with upper core shaft structure, and the guiding position of lower mandrel is corresponding with the guiding position of upper mandrel; When lower mandrel 310 is used in conjunction with locating piece 308, should guarantee spring under relaxed state, lower mandrel 310 passes the inside die cavity of locating piece 308.
Described slide block 301 also has through hole, and inside is equipped with slide block back-moving spring 307 and the block 306 that is fixed on the slide block holder 311.With the cover plate 303 of through hole, the top of cover plate 303 is equipped with one or more pre-depression bars 202 centered by the top of slide block 301.
The shape of the number of slide block 301 and each slide block inboard is determined by the shape of lattice cell pipe.
The operation principle of builder is as follows:
1) part of the upper die 206 moves upward, after interacting, control lever 201 inclined-planes of part of the upper die 206 and roller 205 make ejector block 213 horizontal movements, generation processing pipe enters working position 215 under the effect of ejector block 213, fixing by the pulling-in dog 218 of working position 215.
2) upper mandrel 204 is externally descending with part of the upper die 206 under the effect of lathe, the generation processing pipe 305 that upper mandrel 20 drives in the pulling-in dog 218 is descending, center by cover plate 303 is passed through, lower mandrel 310 contacts, and upper mandrel 204, lower mandrel 310 carry out preform to lattice cell pipe two ends jointly.
3) behind the end contact of upper mandrel 204, lower mandrel 310, because upper mandrel 204 continues descending, lower mandrel 310 bottom spring contractions, upper mandrel 204 enters locating piece 308, and will enter its shaping for the guiding position that processing pipe 305 pushes through upper mandrel 204 by locating piece 308, so far mould finished lattice cell pipe preformed and be shaped before the location.
4) part of the upper die 206 is continued descending behind lattice cell pipe 305 location, the upper surface of the pre-depression bar 202 of part of the upper die 206 contacts this moment, promote cover plate 303, slide block 301 and slide block holder 311 descending together, owing to being to move in the same way synchronously, upper mandrel 204 is relative static at above-below direction with slide block 301, at this moment the inclined-plane of slide block 301 contacts the inclined-plane of oblique contract 309 (tiltedly contract maintains static), effect sliding block 301 inside transverse movements at inclined-plane component cooperate lattice cell pipe 305 extrusion moldings with upper mandrel 204.
5) lattice cell pipe 305 be shaped complete after, part of the upper die 206 is up, effect lower cover 303, slide block 301 and slide block holder 311 at slide block holder 311 bottom springs are up together, effect sliding block 301 rollbacks at block 306 and slide block back-moving spring 307 reset, the complete lattice cell pipe 305 that is shaped rises with upper mandrel 204, break away from molded component, and after discharging, export automatic stamping device.
Embodiment 2:
In order further to improve the dimensional accuracy of lattice cell pipe after the processing, and make automatic stamping device have better extensibility to produce other model lattice cell pipes.Basis at a kind of automatic stamping device of locating grid cell tube of embodiment 1 has increased micro-adjusting mechanism.
The top of described micro-adjusting mechanism die set base, the below of die set builder are used for regulating the builder tiltedly vertical height of contract 309, i.e. the horizontal slip scope of adjusting slider 301 on slide block holder 311.
Shown in Fig. 7,8, micro-adjusting mechanism mainly can be comprised of around the disk of central rotating shaft 407 motions multilayer, and its shaft 407 is fixed on the base of die set by rotating shaft holder 404; Above rotating shaft 407 outsides, rotating shaft holder 404, be equipped with lower rotary table 406, described lower rotary table 406 can be around the shaft 407 clockwise or rotate counterclockwise, lower rotary table 406 upper surfaces are equipped with three pins 403 that evenly distribute; Pin 403 can slide in the groove of the oblique contract of the second fine setting 408 bottoms, and the tangent line of groove and process pin for example becomes 8 degree at an angle, 15 degree etc.; The top of lower rotary table 406 is equipped with top rotary table 405, described top rotary table 405 can be around the shaft 407 clockwise or rotate counterclockwise, top rotary table 405 upper surfaces also evenly are equipped with three pins 403, pin 403 on the top rotary table 405 can slide in the groove of the oblique contract of the first fine setting 402 bottoms, the groove of the oblique contract of the first fine setting 402 bottoms is identical with the groove structure of the oblique contract of the second fine setting 408 bottoms, also has on the top rotary table 405 for the resigning hole 413 of placing the oblique contract 408 of the second fine setting; The height that resigning hole 413 is slightly larger than the oblique contract 408 of oblique contract 408, the second fine settings of the second fine setting is the oblique contract 402 of the first fine setting and top rotary table 405 height sums; The oblique contract 402 of the first fine setting, oblique contract 408 upper surfaces of the second fine setting have the inclined-plane that cooperates slip with oblique contract 309 bottom surfaces in the builder; And the oblique contract 402 of the first fine setting, the oblique contract of the second fine setting 408 upper ends are positioned at six radially-directed grooves of 360 five equilibriums of disc positioning seat 401, and can slide in described groove;
Positioning seat 401 together is fixed on the base by screw and rotating shaft holder, and in each radial groove, have for the tiltedly hole of contract 309 of builder is installed, the inclined-plane, bottom surface of oblique contract 309 is dropped on the upper surface inclined-plane of the first oblique contract 402 of fine setting or the oblique contract 408 of the second fine setting.
At the dial 410 that the outside of top rotary table 405 and lower rotary table 406 is fixedly connected with rotating shaft holder 404 in addition, be used to refer to the turned position of top rotary table 405 and lower rotary table 406.
Top rotary table 405 is provided with two breach, is used for screwing in respectively two the first adjusting screw(rod)s 411; Equally, lower rotary table 406 also is provided with two breach, is used for screwing in two the second adjusting screw(rod)s 412.Four adjusting screw(rod)s all are fixed on the dial.
Because the builder of micro-adjusting mechanism top needs spring to link to each other with base, thereby has for the spring eye of placing spring at each layer of micro-adjusting mechanism disk.
In the present embodiment, because 2 important parameters of lattice cell pipe are inscribed circle diameter size and regular hexagon opposite side size, so with top rotary table 405 and the oblique contract 402 of the first fine setting control to be shaped three oblique contracts 309 of lattice cell pipe regular hexagon opposite side size, finely tune oblique contract 408 control to be shaped three oblique contracts 309 of lattice cell pipe inscribed circle diameter size with lower rotary table 406 and second.
When if designed lattice cell pipe need to be controlled more packet size parameters, the type that can adjust as required the number of rotating disk and finely tune oblique contract, the invention is not restricted to use upper and lower rotating disk and first, second to finely tune oblique contract, can under design of the present invention, use a rotating disk and a kind of oblique contract, also can more groups.
The operation principle of micro-adjusting mechanism is as follows:
1) in order to reach the purpose of fine adjustment lattice cell pipe regular hexagon opposite side size, screw out first adjusting screw(rod) 411 of top rotary table 405, screw in again the first adjusting screw(rod) 411 of opposite side, make top rotary table 405 407 do clockwise or rotate counterclockwise around the shaft, regulate complete after, two adjusting screw(rod)s 411 can interact top rotary table 405 is locked.
2) rotation of top rotary table 405 drives pin 403 rotations, makes three the first oblique contracts 402 of fine setting finish synchronous footpath under the effect of pin 403 and marches forward or backward movement.
3) because the radial motion of the oblique contract 402 of the first fine setting can make three corresponding oblique contracts 309 raise synchronously or reduction; Tiltedly contract 309 raises, and can make three slide blocks 301 in the builder that the extruding of lattice cell pipe is tighter, and tiltedly contract descends, and can make slide block 301 that the extruding of lattice cell pipe is more loose, thereby reach the purpose of design that trace is accurately adjusted lattice cell pipe opposite side size.
4) same principle in order to reach the purpose of fine adjustment lattice cell pipe inscribed circle, is rotated two the second adjusting screw(rod)s 412, can make lower rotary table 406 407 do clockwise or rotate counterclockwise around the shaft.
5) rotation of lower rotary table 406 drives pin 403 rotations, makes three the second oblique contracts 408 of fine setting finish synchronous footpath under the effect of pin 403 and marches forward or backward movement.
6) because the radial motion of the oblique contract 408 of the second fine setting, can make and be different from step 3) in other three corresponding oblique contracts 309 raise synchronously or reduce, thereby make these three slide blocks 301 in the builder that the extruding of lattice cell pipe is tighter or more loose, reach the purpose of design that trace is accurately adjusted lattice cell pipe inscribed circle size.
This automatic stamping device, particularly builder part mould structural design is ingenious, compact conformation, applicability is strong, and this automatic stamping device per minute kind can be produced 15 products, and production efficiency and the quality of production are greatly improved.
The automatic stamping device with micro-adjusting mechanism after further improving allows Product Precision further improve, make the product parameters error remain on ± 0.02mm in.
Claims (7)
1. automatic stamping device of locating grid cell tube, comprise the part of the lower die (209) that is fixed on the base (212) and the part of the upper die (206) that is suspended at top, part of the lower die (209) and vertical movement, it is characterized in that: described part of the lower die (209) top is equipped with input and output material part (210), input and output material part (210) top is provided with feed pipe (208), and input and output material part (210) side has discharging opening (211), and described part of the lower die (209) inside is builder; Described part of the upper die (206) is provided with mandrel (204); The cross section of described upper mandrel (204) is the shape of lattice cell pipe, is used for pipe to be processed (305) is brought in the builder of part of the lower die (209); Described builder is the multilayer column structure, be fixed with a plurality of springs (312) at described base (212), spring (312) top is stamped cover plate (303) for having the slide block holder (311) of a plurality of radial grooves above each radial groove of slide block holder (311) is built-in with slide block (301), slide block (301); The top of described cover plate (303) is equipped with pre-depression bar (202); On base (212), also be fixed with a plurality of oblique contracts (309) that are positioned at described slide block (301) outside and restriction slide block (301) range of movement, described slide block (301) and oblique contract (309) have the inclined-plane that matches, and the inside structure of described a plurality of slide blocks (301) is combined into the shape of lattice cell pipe; Also have through hole on described each slide block (301), inside is equipped with slide block back-moving spring (307) and is fixed on block (306) on the slide block holder (311); Has the through hole that mandrel (204) is passed through on described slide block holder (311) and the cover plate (303).
2. a kind of automatic stamping device of locating grid cell tube according to claim 1 is characterized in that: described input and output material part (210) has feed position (214), working position (215), goes out material level (216) and ejector block (213); Described feed position (214) is corresponding with feed pipe (208), and described working position (215) is corresponding with upper mandrel (204), goes out material level (216) and links to each other with discharging opening (211); Part of the upper die (206) promotes the ejector block (213) of input and output material part (210) by control lever (201), roller (205) and push piece bar (203), make the pipe to be processed in the feed pipe (208) enter into working position (215), described pipe to be processed is suspended at working position (215) by pulling-in dog (217).
3. a kind of automatic stamping device of locating grid cell tube according to claim 2 is characterized in that: in the feed position (214) of described input and output material part (210), go out material level (216) and be used for the detector (218) that the misdelivery material detects other the adding.
4. a kind of automatic stamping device of locating grid cell tube according to claim 1, it is characterized in that: described upper mandrel (204) is divided into the guiding position of lower end, upper mandrel shaping with the middle part, described guiding position be cylindrical and diameter more smaller than pipe diameter to be processed, the cross section of upper mandrel shaping is identical with the shape of lattice cell pipe.
5. according to claim 1 or 4 described a kind of automatic stamping device of locating grid cell tubes, it is characterized in that: the through hole of described slide block holder (311) is built-in with lower mandrel (310), and described lower mandrel (310) is fixed on the base (212) by spring.
6. a kind of automatic stamping device of locating grid cell tube according to claim 4, it is characterized in that: the through hole top of described slide block holder (311) is fixed with locating piece (308), and the structure of the inner die cavity of locating piece (308) is identical with the internal structure of lattice cell pipe, size is greater than upper mandrel shaping size, but less than the size of the pipe to be processed (305) that is positioned at upper mandrel shaping.
7. a kind of automatic stamping device of locating grid cell tube according to claim 5, it is characterized in that: the through hole top of described slide block holder (311) is fixed with locating piece (308), and the structure of the inner die cavity of locating piece (308) is identical with the internal structure of lattice cell pipe, size is greater than upper mandrel shaping size, but less than the size of the pipe to be processed (305) that is positioned at upper mandrel shaping, described lower mandrel (310) passes the inner die cavity of locating piece (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568853 CN102091737B (en) | 2010-12-01 | 2010-12-01 | Automatic punching device for lattice cell pipe of spacer grid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010568853 CN102091737B (en) | 2010-12-01 | 2010-12-01 | Automatic punching device for lattice cell pipe of spacer grid |
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| CN102091737A CN102091737A (en) | 2011-06-15 |
| CN102091737B true CN102091737B (en) | 2013-02-06 |
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| CN 201010568853 Active CN102091737B (en) | 2010-12-01 | 2010-12-01 | Automatic punching device for lattice cell pipe of spacer grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104438924A (en) * | 2014-11-28 | 2015-03-25 | 东莞市海默生电子有限公司 | Copper pipe feeding and machining forming device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106932400A (en) * | 2015-12-31 | 2017-07-07 | 中核建中核燃料元件有限公司 | A kind of AFA3G grid spacers outward appearance automatic detection device |
| CN109935365A (en) * | 2017-12-19 | 2019-06-25 | 中国原子能科学研究院 | A kind of band tubular type lattice cell spacer grid of fuel assembly |
| CN113042599A (en) * | 2021-03-29 | 2021-06-29 | 成都腾达模具有限公司 | Processing method of qualified grid cell tube |
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| JP4522378B2 (en) * | 2005-04-20 | 2010-08-11 | ジヤトコ株式会社 | Press molding method and apparatus |
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| CN2061874U (en) * | 1990-01-24 | 1990-09-12 | 甘业坊 | Automatic punching die for miniature hole metal plate screen |
| CN101718180A (en) * | 2009-11-17 | 2010-06-02 | 中国石油集团长城钻探工程有限公司 | Floating hinged rolling reducing expansion cone |
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| CN104438924A (en) * | 2014-11-28 | 2015-03-25 | 东莞市海默生电子有限公司 | Copper pipe feeding and machining forming device |
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| CN102091737A (en) | 2011-06-15 |
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