CN210730898U - Sand casting mould - Google Patents
Sand casting mould Download PDFInfo
- Publication number
- CN210730898U CN210730898U CN201921801864.8U CN201921801864U CN210730898U CN 210730898 U CN210730898 U CN 210730898U CN 201921801864 U CN201921801864 U CN 201921801864U CN 210730898 U CN210730898 U CN 210730898U
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- Prior art keywords
- gear
- base
- groove
- rod
- main part
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- 238000007528 sand casting Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a sand casting mould, including base, bed die main part, psammitolite main part and last mould main part, the avris of base is fixed with first gear, the internally mounted of pivot has the spring, the third gear is installed in the outside of pivot, the bed die main part is installed at the top of base, the second recess has been seted up to the installation pole near the bottom of first recess one side, the top of bed die main part is provided with the mould main part, the internally mounted of through-hole has the closing plate, go up the top of mould main part and install the fixed block, the inside of screw hole is provided with the screw rod, and the screw rod runs through the fixed block. This sand casting mould in the installation, can guarantee to keep the laminating state between psammitolite and the mould to and can discharge unnecessary part in the sprue gate at the pouring in-process, need cut this part after avoiding the casting to accomplish and polish.
Description
Technical Field
The utility model relates to a sand casting technical field specifically is a sand casting mould.
Background
With the increasing proportion of replacing manpower by mechanical equipment in production, the mechanical equipment is mostly composed of a plurality of parts, when the parts are manufactured, casting is a common manufacturing mode, sand casting is one mode, when sand casting is performed, a sand casting mold is needed, however, the existing sand casting mold has the following problems:
1. the existing sand casting mold is generally divided into an upper mold, a lower mold and a sand core, and because a solution for casting has certain buoyancy, the sand core needs to be fixed inside the mold by using a fixing device, but when the existing fixing device is fixed, the sand core needs to be manually pressed to ensure that the sand core is attached to the mold, so that time and labor are wasted;
2. when the existing sand casting mould is used for casting, due to the fact that the amount of poured solution cannot be accurately controlled, a part of solution often exists in a pouring gate, and after casting is completed, the part formed by the solution is added on the part, and the part needs to be cut and polished, so that the casting is troublesome.
In order to solve the problems, innovative design is urgently needed on the basis of the existing sand casting mold.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sand casting mould to solve above-mentioned background art and propose current sand casting mould when the installation psammitolite, need press the psammitolite on one side and fix it on one side, waste time and energy, and the part that can go out the interior solution of pouring gate more and form on the casting completion back part, need cut this part and polish, more troublesome problem.
In order to achieve the above object, the utility model provides a following technical scheme: a sand casting mold comprises a base, a lower mold body, a sand core body and an upper mold body, wherein a first gear is fixed on the side of the base, a first groove is formed in the bottom of the base, a rotating shaft is installed inside the first groove and penetrates through the base, a spring is installed inside the rotating shaft, one end, far away from the rotating shaft, of the spring is connected with an operating rod, the operating rod penetrates through the rotating shaft, a second gear is fixed on the outer side, far away from the rotating shaft, of the operating rod, a third gear is installed on the outer side of the rotating shaft, a rack is arranged on the side of the third gear and penetrates through the base to extend into the base, the lower mold body is installed at the top of the base, an installation rod is arranged inside the lower mold body and penetrates through the lower mold body to extend into the base, and a second groove is formed in the bottom, close to one side of the first groove, of the installation rod, and the top of installation pole installs the psammitolite main part, the top of bed die main part is provided with mould main part, and goes up the top of mould main part and seted up the sprue gate to the third recess has been seted up to the inside one side of sprue gate, and is provided with the through-hole in the last mould main part of third recess bottom, the internally mounted of through-hole has the closing plate, and the closing plate top keeps away from one side of sprue gate and has seted up the guiding gutter, and one side that the closing plate top is close to the sprue gate is fixed with sealed piece, and the avris of closing plate is fixed with the connecting rod, go up the top of mould main part and install the fixed block, and the inside of fixed block is provided with the slide bar to the outside of slide bar is seted up.
Preferably, the rotating shaft and the base form a relative rotating structure, and the rotating shaft and the operating rod form a relative sliding structure.
Preferably, the central axis of the second gear is parallel to the central axis of the first gear, and the second gear is in meshed connection with the first gear.
Preferably, the rack is in meshed connection with the third gear, and the rack and the base form a relative sliding structure.
Preferably, the second groove has a trapezoidal side cross-sectional shape, and the height of the second groove is greater than the thickness of the rack.
Preferably, the sliding rod and the fixed block form a relative sliding structure, and the sliding rod and the connecting rod are fixedly connected.
Compared with the prior art, the beneficial effects of the utility model are that: according to the sand casting mold, in the installation process, the fit state between the sand core and the mold can be kept, and the redundant part in the pouring gate can be discharged in the pouring process, so that the part is prevented from being cut and polished after the casting is finished;
1. the side section of the second groove is trapezoidal, the contact surface of the rack and the second groove is an oblique edge, an operator releases the rotation limitation of the rotating shaft by pulling, and when the rotating shaft is rotated to drive the rack to move towards the inside of the second groove, the mounting rod can be driven to move downwards while the mounting rod is fixed, so that the attachment between the sand core main body and the lower die main body is ensured;
2. through sliding connection between slide bar and the fixed block, after the solution pouring is accomplished, when promoting the slide bar and removing to the direction that is close to last mould main part, can drive the closing plate and remove to the inside of sprue gate, and then seal the sprue gate, can make unnecessary solution simultaneously flow from the inside of sprue gate along the guiding gutter, and then avoid casting to accomplish and have unnecessary part on the back part.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic top sectional view of the base of the present invention.
In the figure: 1. a base; 2. a first gear; 3. a first groove; 4. a rotating shaft; 5. a spring; 6. an operating lever; 7. a second gear; 8. a third gear; 9. a rack; 10. a lower mold body; 11. mounting a rod; 12. a second groove; 13. a sand core body; 14. an upper mold body; 15. a pouring gate; 16. a third groove; 17. a through hole; 18. a sealing plate; 19. a diversion trench; 20. a sealing block; 21. a connecting rod; 22. A fixed block; 23. a slide bar; 24. a threaded hole; 25. a screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a sand casting mold comprises a base 1, a first gear 2, a first groove 3, a rotating shaft 4, a spring 5, an operating rod 6, a second gear 7, a third gear 8, a rack 9, a lower mold body 10, a mounting rod 11, a second groove 12, a sand core body 13, an upper mold body 14, a pouring gate 15, a third groove 16, a through hole 17, a sealing plate 18, a diversion trench 19, a sealing block 20, a connecting rod 21, a fixing block 22, a sliding rod 23, a threaded hole 24 and a screw rod 25, wherein the first gear 2 is fixed on the side of the base 1, the first groove 3 is formed in the bottom of the base 1, the rotating shaft 4 is installed inside the first groove 3, the rotating shaft 4 penetrates through the base 1, the spring 5 is installed inside the rotating shaft 4, the end, far away from the rotating shaft 4, of the spring 5 is connected with the operating rod 6, the operating rod 6 penetrates through the rotating shaft 4, the second gear 7 is fixed on the outer side, far away from one end of the, a third gear 8 is installed on the outer side of the rotating shaft 4, a rack 9 is arranged on the side of the third gear 8, the rack 9 penetrates through the base 1 and extends to the inside of the base 1, a lower die main body 10 is installed on the top of the base 1, an installation rod 11 is arranged inside the lower die main body 10, the installation rod 11 penetrates through the lower die main body 10 and extends to the inside of the base 1, a second groove 12 is formed in the bottom of one side, close to the first groove 3, of the installation rod 11, a sand core main body 13 is installed on the top of the installation rod 11, an upper die main body 14 is arranged on the top of the lower die main body 10, a pouring gate 15 is formed in the top of the upper die main body 14, a third groove 16 is formed in one side of the inside of the pouring gate 15, a through hole 17 is formed in the upper die main body 14 at the bottom of the third groove 16, a sealing plate 18 is installed inside the, and a sealing block 20 is fixed on one side of the top of the sealing plate 18 close to the pouring gate 15, a connecting rod 21 is fixed on the side of the sealing plate 18, a fixing block 22 is installed on the top of the upper die body 14, a sliding rod 23 is arranged inside the fixing block 22, a threaded hole 24 is formed in the outer side of the sliding rod 23, a screw 25 is arranged inside the threaded hole 24, and the screw 25 penetrates through the fixing block 22.
The rotating shaft 4 and the base 1 form a relative rotation structure, the rotating shaft 4 and the operating rod 6 form a relative sliding structure, the central axis of the second gear 7 is parallel to the central axis of the first gear 2, the second gear 7 is meshed with the first gear 2, the rack 9 is meshed with the third gear 8, the rack 9 and the base 1 form a relative sliding structure, the side cross-sectional shape of the second groove 12 is trapezoidal, and the height of the second groove 12 is greater than the thickness of the rack 9, so that an operator can remove the meshing between the second gear 7 and the first gear 2 by pulling the operating rod 6, and after the meshing between the second gear 7 and the first gear 2 is removed, the operator can drive the third gear 8 to rotate by rotating the operating rod 6, further drive the rack 9 to move towards the direction close to the second groove 12, and simultaneously the rack 9 moves to the inside the second groove 12 to fix the mounting rod 11, the mounting rod 11 can be moved downwards by a small-amplitude distance, so that the fit between the sand core main body 13 and the lower die main body 10 is ensured;
the sliding rod 23 and the fixing block 22 form a relative sliding structure, and the sliding rod 23 and the connecting rod 21 are fixedly connected, so that after the operator releases the movement restriction of the sliding rod 23, the operator can drive the sealing plate 18 to move through the sliding rod 23, and the pouring gate 15 is closed.
The working principle is as follows: when the sand casting mold is used, as shown in fig. 1, a lower mold body 10 is placed at a middle position on a base 1, a sand core body 13 and a mounting rod 11 are inserted into the base 1 through the lower mold body 10, as shown in fig. 3 and 4, an operating rod 6 is pulled, through the sliding connection between the operating rod 6 and a rotating shaft 4 and the elasticity of a spring 5, when the operating rod 6 is pulled, the second gear 7 can be driven to move in a direction away from the spring 5, and then the engagement between the second gear 7 and a first gear 2 is released, so that the operating rod 6 and the second gear 7 can be rotated, the operating rod 6 is rotated, as shown in fig. 2, through the engagement connection between a rack 9 and a third gear 8, the sliding connection between the rack 9 and the base 1, so that when the operating rod 6 drives the third gear 8 to rotate, the rack 9 can be moved in a direction close to a second groove 12, until the rack 9 is inserted into the second groove 12, the positions of the installation rod 11 and the sand core main body 13 are fixed, meanwhile, the side section of the second groove 12 is trapezoidal, and the surface of the rack 9, which is in contact with the second groove 12, is also an inclined surface, so that in the process that the rack 9 moves towards the inside of the second groove 12, the second groove 12 can be driven to move downwards for a small-amplitude distance, and the sand core main body 13 is tightly attached to the lower die main body 10, at the moment, the operating rod 6 is slowly released, and the operating rod 6 is ensured not to rotate until the second gear 7 is meshed with the first gear 2 again, so that the rotation of the operating rod 6 is limited, and the sand core main body 13 is fixed at the position;
as shown in fig. 1, after enough solution is poured into the lower mold body 10 and the upper mold body 14 through the pouring gate 15, the screw rod 25 is screwed out from the inside of the threaded hole 24, the sliding rod 23 is pushed away from the fixed block 22, the sliding rod 23 and the fixed block 22 are slidably connected, so that the sliding rod 23 can move transversely when pulled, and further the diversion trench 19 is driven to move towards the inside of the pouring gate 15, thereby closing the pouring gate 15, after the closing is completed, the screw rod 25 is screwed into the corresponding threaded hole 24 again to fix the positions of the sliding rod 23 and the diversion trench 19, and at this time, the redundant solution in the pouring gate 15 can be discharged outwards along the diversion trench 19, thereby avoiding the solution in the pouring gate 15 from forming redundant parts after the casting of the part is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a sand casting mould, includes base (1), bed die main part (10), psammitolite main part (13) and goes up die main part (14), its characterized in that: the avris of base (1) is fixed with first gear (2), and first recess (3) have been seted up to the bottom of base (1), and the internally mounted of first recess (3) has pivot (4), and pivot (4) run through base (1) moreover, the internally mounted of pivot (4) has spring (5), and spring (5) keep away from the one end of pivot (4) and be connected with action bars (6), and action bars (6) run through pivot (4), and be fixed with second gear (7) on the outside of action bars (6) keep away from pivot (4) one end moreover, third gear (8) are installed in the outside of pivot (4), and the avris of third gear (8) is provided with avris rack (9) to rack (9) run through the inside that base (1) extended to base (1), lower mould main part (10) is installed at the top of base (1), a mounting rod (11) is arranged in the lower die body (10), the mounting rod (11) penetrates through the lower die body (10) and extends to the inside of the base (1), a second groove (12) is formed in the bottom of one side, close to the first groove (3), of the mounting rod (11), a sand core body (13) is arranged at the top of the mounting rod (11), an upper die body (14) is arranged at the top of the lower die body (10), a pouring gate (15) is formed in the top of the upper die body (14), a third groove (16) is formed in one side of the inside of the pouring gate (15), a through hole (17) is formed in the upper die body (14) at the bottom of the third groove (16), a sealing plate (18) is arranged in the through hole (17), and a diversion groove (19) is formed in one side, far away from the pouring gate (15), of the top of the sealing plate (18), and one side of the top of the sealing plate (18) close to the pouring gate (15) is fixed with a sealing block (20), the side of the sealing plate (18) is fixed with a connecting rod (21), the top of the upper die main body (14) is provided with a fixing block (22), the inside of the fixing block (22) is provided with a sliding rod (23), the outside of the sliding rod (23) is provided with a threaded hole (24), the inside of the threaded hole (24) is provided with a screw rod (25), and the screw rod (25) penetrates through the fixing block (22).
2. A sand casting mold according to claim 1, wherein: the rotating shaft (4) and the base (1) form a relative rotating structure, and the rotating shaft (4) and the operating rod (6) form a relative sliding structure.
3. A sand casting mold according to claim 1, wherein: the central axis of the second gear (7) is parallel to the central axis of the first gear (2), and the second gear (7) is meshed with the first gear (2).
4. A sand casting mold according to claim 1, wherein: the rack (9) is meshed with the third gear (8), and the rack (9) and the base (1) form a relative sliding structure.
5. A sand casting mold according to claim 1, wherein: the side section of the second groove (12) is trapezoidal, and the height of the second groove (12) is larger than the thickness of the rack (9).
6. A sand casting mold according to claim 1, wherein: the sliding rod (23) and the fixed block (22) form a relative sliding structure, and the sliding rod (23) is fixedly connected with the connecting rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801864.8U CN210730898U (en) | 2019-10-25 | 2019-10-25 | Sand casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801864.8U CN210730898U (en) | 2019-10-25 | 2019-10-25 | Sand casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210730898U true CN210730898U (en) | 2020-06-12 |
Family
ID=71111790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921801864.8U Expired - Fee Related CN210730898U (en) | 2019-10-25 | 2019-10-25 | Sand casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210730898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680977A (en) * | 2021-10-27 | 2021-11-23 | 江苏兰佛卡压缩机有限公司 | Two-stage compressor cylinder body casting device |
-
2019
- 2019-10-25 CN CN201921801864.8U patent/CN210730898U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680977A (en) * | 2021-10-27 | 2021-11-23 | 江苏兰佛卡压缩机有限公司 | Two-stage compressor cylinder body casting device |
| CN113680977B (en) * | 2021-10-27 | 2022-01-07 | 江苏兰佛卡压缩机有限公司 | Two-stage compressor cylinder body casting device |
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Legal Events
| 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: 20200612 |