CN212527496U - Centering device of sand core box spoke - Google Patents
Centering device of sand core box spoke Download PDFInfo
- Publication number
- CN212527496U CN212527496U CN202021343192.3U CN202021343192U CN212527496U CN 212527496 U CN212527496 U CN 212527496U CN 202021343192 U CN202021343192 U CN 202021343192U CN 212527496 U CN212527496 U CN 212527496U
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- Prior art keywords
- external mold
- core box
- outer die
- sand core
- centering device
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011179 visual inspection Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
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Abstract
The application discloses centering device of core box spoke, relate to the technical field of core box, including first external mold and second external mold, first external mold and second external mold can dismantle the connection, be provided with location structure between first external mold and the second external mold, form the inner chamber that is used for producing the psammitolite between first external mold and the second external mold, first external mold upper end is provided with first semicircular hole, second external mold upper end is provided with second semicircular hole, first semicircular hole and second semicircular hole lock form and penetrate the sand mouth, penetrate the sand mouth peg graft have with the locating piece of penetrating sand mouth adaptation, the locating piece middle part is provided with the through-hole that supplies the spoke to peg graft, the pan feeding mouth has been seted up on the locating piece, the locating piece is connected with the hasp of overlap joint in first external mold and second external mold upper end border. This application has the effect of being convenient for make the spoke be located the psammitolite middle part.
Description
Technical Field
The application relates to the technical field of sand core boxes, in particular to a centering device for sand core box spokes.
Background
The sand core is a material used for manufacturing the core in casting production, the sand core is composed of casting sand, a molding sand binder and the like, the sand core box with a corresponding structure needs to be applied in the process of sand core casting, then sand core manufacturing is realized by shooting sand into the sand core box, spokes can be placed into the sand core when casting is carried out in the process of production of part of the sand core in order to increase the integral structural strength of the sand core, and the structural strength of the integral sand core structure is increased.
Currently, when the spokes are placed, the spokes are generally placed in the middle of a sand core through manual visual inspection of the positions of the spokes.
In view of the above-mentioned related art, the inventor believes that there is a case where the spokes are misaligned during the spoke laying process because the spokes are laid in by the manual visual inspection during the spoke laying process.
SUMMERY OF THE UTILITY MODEL
In order to place the spoke in the middle of the sand core, the application provides a centering device of the spoke of the sand core box.
The application provides a centering device of core box spoke adopts following technical scheme:
the utility model provides a centring means of core box spoke, includes first external mold and second external mold, first external mold and second external mold can dismantle the connection, be provided with location structure between first external mold and the second external mold, form the inner chamber that is used for producing the psammitolite between first external mold and the second external mold, first external mold upper end is provided with first semicircular hole, second external mold upper end is provided with second semicircular hole, first semicircular hole and the buckling of second semicircular hole form and penetrate the sand mouth, penetrate the sand mouth peg graft have with penetrate the locating piece of sand mouth adaptation, the locating piece middle part is provided with the through-hole that supplies the spoke to peg graft, the pan feeding mouth has been seted up on the locating piece, the locating piece is connected with the hasp of overlap joint in first external mold and second external mold upper end border.
Through adopting above-mentioned technical scheme, when carrying out the production of psammitolite, it is fixed with first external mold and second external mold, arrange the locating piece in penetrating the sand mouth, hasp overlap joint on the locating piece is at the outside border of first external mold and second external mold, thereby realize the locating piece and penetrate the fixed of sand mouth, then put into the spoke through the through-hole at locating piece middle part, because the through-hole is located the middle part of locating piece, be convenient for realize the location of spoke, make the spoke be located the middle part of inner chamber, when filling the sand material to the inner chamber through the pan feeding mouth, the middle part of inner chamber is arranged in to the spoke of being convenient for realize the production.
Preferably, the positioning block comprises an upper ring and a lower ring, a sleeve for connecting spokes in a penetrating manner is arranged in the middle of the upper ring and the lower ring, and the through hole is formed in the middle of the sleeve.
By adopting the technical scheme, the sleeve is connected between the upper circular ring and the lower circular ring, and the upper circular ring and the lower circular ring are both arranged in the first outer die and the second outer die, so that the positioning block is stably connected with the first outer die and the second outer die.
Preferably, a plurality of support rods are connected between the upper circular ring and the lower circular ring, and a gap is formed between every two adjacent support rods.
By adopting the technical scheme, the upper circular ring is connected with the lower circular ring, the adjacent support rods form a gap, and a gap is formed between the support rods and the inner side walls of the first outer die and the second outer die, so that the positioning block can be conveniently moved out of the first outer die and the second outer die.
Preferably, a connecting rod is connected between the supporting rod and the sleeve, and a feeding port is formed between every two adjacent connecting rods.
Through adopting above-mentioned technical scheme, the connecting rod between bracing piece and the sleeve is convenient for improve the steadiness of being connected between bracing piece and the sleeve.
Preferably, the upper ring is provided with a pull ring, and the central axis of the upper ring is symmetrically arranged.
By adopting the technical scheme, the pull rings are symmetrically arranged on the two sides of the upper circular ring, so that the positioning block can be conveniently placed in or taken out between the first outer die and the second outer die.
Preferably, a plurality of split bolts used for fixing the first outer die and the second outer die are arranged between the first outer die and the second outer die, the split bolts penetrate through the first outer die and the second outer die, one ends of the split bolts close to the first outer die are provided with first bolts abutted against the outer side wall of the first outer die, and one ends of the split bolts close to the second outer die are provided with second bolts abutted against the side wall of the second outer die.
By adopting the technical scheme, the first outer die and the second outer die are connected through the split bolt, and the outer sides of the first outer die and the second outer die are abutted conveniently by rotating the first bolt and the second bolt.
Preferably, the hasp comprises a cross rod positioned on the upper surfaces of the first outer die and the second outer die, a vertical rod bent downwards is connected to the cross rod, and a clamping portion buckled on the split bolt is arranged at the lower end of the vertical rod.
Through adopting above-mentioned technical scheme, through joint portion and split bolt's lock joint, be convenient for improve the steadiness that hasp and first external mold and second external mold are connected.
Preferably, one side of the first outer die, which is close to the second outer die, is provided with a convex strip, and one side of the second outer die, which is close to the first outer die, is provided with a groove for clamping the convex strip.
Through adopting above-mentioned technical scheme, through the cooperation of sand grip and recess, be convenient for realize the location of first external mold and second external mold.
In summary, the present application includes at least one of the following benefits:
1. the through hole is positioned in the middle of the positioning block, so that the spoke is positioned in the middle of the inner cavity, and when sand is filled into the inner cavity through the feeding port, the spoke which is convenient to produce is arranged in the middle of the inner cavity;
2. because the upper circular ring is connected with the lower circular ring, a gap is formed between the adjacent support rods, and a gap is formed between the support rods and the inner side walls of the first outer die and the second outer die, the positioning block can be conveniently moved out of the first outer die and the second outer die.
Drawings
FIG. 1 is a schematic structural view of the overall structure of the present embodiment;
FIG. 2 is an exploded view of the core box construction of this embodiment;
FIG. 3 is a schematic structural diagram of a positioning block according to the present embodiment;
fig. 4 is an exploded view illustrating the mounting state of the positioning block according to the present embodiment;
fig. 5 is an exploded view of the installation process of the present embodiment.
Description of reference numerals: 1. a first outer mold; 11. a convex strip; 12. a first semi-circular aperture; 2. a second outer mold; 21. a groove; 22. a second semi-circular aperture; 3. a cavity; 4. a sand shooting port; 5. oppositely pulling the bolts; 51. a first bolt; 52. a second bolt; 6. positioning blocks; 61. an upper circular ring; 62. a lower circular ring; 63. a support bar; 7. a sleeve; 71. a through hole; 8. a connecting rod; 9. a feeding port; 10. a pull ring; 13. a hasp; 131. a cross bar; 132. a vertical rod; 133. a clamping part; 14. spokes.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses centering device of core box spoke. Referring to fig. 1, the core box comprises a first outer die 1 and a second outer die 2, wherein a protruding strip 11 is arranged on one side of the first outer die 1 close to the second outer die 2, a groove 21 for clamping the protruding strip 11 is formed in one side of the second outer die 2 close to the first outer die 1, and during installation, the protruding strip 11 is matched with the groove 21 so as to conveniently realize positioning of the first outer die 1 and the second outer die 2.
Referring to fig. 2, a cavity 3 is defined between a first outer die 1 and a second outer die 2, a first semicircular hole 12 is formed in the upper end of the first outer die 1, a second semicircular hole 22 is formed in the upper end of the second outer die 2, and the first semicircular hole 12 and the second semicircular hole 22 are buckled to form a sand shooting port 4.
Referring to fig. 1, a first outer die 1 and a second outer die 2 are detachably connected, a plurality of split bolts 5 are arranged between the first outer die 1 and the second outer die 2, the split bolts 5 penetrate through the first outer die 1 and the second outer die 2, and one ends of the split bolts 5 close to the first outer die 1 are in threaded connection with first bolts 51 abutted to the outer side edge of the first outer die 1. One end of the split bolt 5 close to the second outer die 2 is in threaded connection with a second bolt 52 abutted to the outer side edge of the second outer die 2, four split bolts 5 are arranged in the embodiment, and two joints are arranged at the left side and the right side of the first outer die 1 and the second outer die 2 respectively.
Referring to fig. 2 and 3, the sand shooting port 4 is spliced with the positioning block 6, the positioning block 6 comprises an upper circular ring 61 and a lower circular ring 62, the upper circular ring 61 is matched with the inner diameter of the upper end of the sand shooting port 4, the lower circular ring 62 is matched with the inner diameter of the lower end of the sand shooting port 4, a plurality of supporting rods 63 are connected between the upper circular ring 61 and the lower circular ring 62, gaps are formed between adjacent supporting rods 63, and the gaps between the supporting rods 63 are convenient for placing the positioning block 6 into and taking out of the sand shooting port 4.
Referring to fig. 3, the middle parts of the upper ring 61 and the lower ring 62 are connected with a sleeve 7 for connecting the spokes 14 in a penetrating manner, the middle part of the sleeve 7 is provided with a through hole 71 for connecting the spokes 14 in a plugging manner, a connecting rod 8 is connected between the sleeve 7 and the supporting rod 63, the connecting rod 8 and the supporting rod 63 are welded and fixed, and a feeding port 9 is formed between the adjacent connecting rods 8.
Referring to fig. 3, one side of the upper ring 61, which is far away from the lower ring 62, is connected with the pull ring 10, and the pull ring 10 is symmetrically arranged on the central axis of the upper ring 61.
Referring to fig. 3 and 4, the upper ring 61 is connected with a hasp 13 overlapping the upper end edges of the first outer mold 1 and the second outer mold 2, the hasp 13 comprises a cross rod 131 overlapping the upper surfaces of the first outer mold 1 and the second outer mold 2, the cross rod 131 is connected with a vertical downward vertical rod 132, an included angle between the cross rod 131 and the vertical rod 132 is 90 degrees, the cross rod 131 and the vertical rod 132 can be integrally bent, the lower end of the vertical rod 132 is provided with a clamping portion 133 buckled on the split bolt 5, and the clamping portion 133 is a U-shaped buckle with a downward opening.
Referring to fig. 5, when the sand core is produced, the first external mold 1 and the second external mold 2 are sequentially fixed, the positioning block 6 is placed at the sand shooting port 4, and the spoke 14 is placed in the inner cavity through the through hole 71 of the sleeve 7.
The implementation principle of the centering device for the spokes of the sand core box in the embodiment of the application is as follows: when the sand core is produced, the first outer die 1 and the second outer die 2 are connected and fixed, the hasp 13 connected to the positioning block 6 is lapped on the first outer die 1 and the second outer die 2, the clamping portion 133 at the lower end of the vertical rod 132 is clamped on the split bolt 5, the sleeve 7 is arranged in the middle of the upper ring 61, the through hole 71 is formed in the middle of the sleeve 7, when the spoke 14 is placed into the through hole 71, the spoke 14 is conveniently placed in the middle position, then the filling is carried out through the feeding port 9, when the material is filled to the lower bottom surface of the lower ring 62, the positioning block 6 is taken out, as the lower end of the spoke 14 is fixed by the filling material, after the positioning block 6 is taken out, the position of the spoke 14 is not changed, then the filling is continued until the sand injection port 4 is completely filled, and the whole sand filling operation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A centering device of sand core box spoke which characterized in that: including first external mold (1) and second external mold (2), first external mold (1) and second external mold (2) can be dismantled and be connected, be provided with location structure between first external mold (1) and second external mold (2), form the inner chamber that is used for producing the psammitolite between first external mold (1) and the second external mold (2), first external mold (1) upper end is provided with first semicircular hole (12), second external mold (2) upper end is provided with second semicircular hole (22), first semicircular hole (12) and second semicircular hole (22) lock form shooting mouth (4), shooting mouth (4) are pegged graft have with shooting mouth (4) adaptation locating piece (6), locating piece (6) middle part is provided with through-hole (71) that supply spoke (14) to peg graft, pan feeding mouth (9) have been seted up on locating piece (6), locating piece (6) are connected with the overlap joint in the take of first external mold (1) and second external mold (2) upper end border And a buckle (13).
2. The centering device for the spokes of a sand core box according to claim 1, wherein: the positioning block (6) comprises an upper ring (61) and a lower ring (62), a sleeve (7) for connecting spokes (14) in a penetrating manner is arranged in the middle of the upper ring (61) and the lower ring (62), and the through hole (71) is formed in the middle of the sleeve (7).
3. A centering device for sand core box spokes as claimed in claim 2, wherein: a plurality of supporting rods (63) are connected between the upper circular ring (61) and the lower circular ring (62), and gaps are formed between the adjacent supporting rods (63).
4. A centering device for sand core box spokes as claimed in claim 3, wherein: connecting rods (8) are connected between the supporting rods (63) and the sleeves (7), and feeding ports (9) are formed between adjacent connecting rods (8).
5. A centering device for sand core box spokes as claimed in claim 2, wherein: the upper ring (61) is provided with a pull ring (10), and the pull ring (10) is symmetrically arranged on the central axis of the upper ring (61).
6. The centering device for the spokes of a sand core box according to claim 1, wherein: be provided with a plurality of split bolts (5) that are used for fixed first external mold (1) and second external mold (2) between first external mold (1) and second external mold (2), split bolt (5) run through first external mold (1) and second external mold (2), split bolt (5) are close to the one end of first external mold (1) and are provided with first bolt (51) of butt in first external mold (1) lateral wall, split bolt (5) are close to the one end of second external mold (2) and are provided with second bolt (52) of butt in second external mold (2) lateral wall.
7. The centering device for the spokes of a sand core box according to claim 6, wherein: hasp (13) are including horizontal pole (131) that are located first external mold (1) and second external mold (2) upper surface, be connected with decurrent montant (132) of bending on horizontal pole (131), montant (132) lower extreme is provided with joint portion (133) on split bolt (5).
8. The centering device for the spokes of a sand core box according to claim 1, wherein: one side of the first outer die (1) close to the second outer die (2) is provided with a convex strip (11), and one side of the second outer die (2) close to the first outer die (1) is provided with a groove (21) for clamping the convex strip (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021343192.3U CN212527496U (en) | 2020-07-09 | 2020-07-09 | Centering device of sand core box spoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021343192.3U CN212527496U (en) | 2020-07-09 | 2020-07-09 | Centering device of sand core box spoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212527496U true CN212527496U (en) | 2021-02-12 |
Family
ID=74521671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021343192.3U Expired - Fee Related CN212527496U (en) | 2020-07-09 | 2020-07-09 | Centering device of sand core box spoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212527496U (en) |
-
2020
- 2020-07-09 CN CN202021343192.3U patent/CN212527496U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |