CN210435315U - Be used for as cast psammitolite fixing device - Google Patents
Be used for as cast psammitolite fixing device Download PDFInfo
- Publication number
- CN210435315U CN210435315U CN201920860793.2U CN201920860793U CN210435315U CN 210435315 U CN210435315 U CN 210435315U CN 201920860793 U CN201920860793 U CN 201920860793U CN 210435315 U CN210435315 U CN 210435315U
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- China
- Prior art keywords
- sand core
- positioning rod
- fixing device
- fixed
- casting
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Abstract
The utility model relates to a be used for as cast psammitolite fixing device belongs to sand casting equipment field, and it includes: the sand core comprises a positioning rod, a fixed pressure plate, a fastening nut and a sand core claw, wherein the positioning rod is a metal rod with threads at two ends, the fixed disk is a circular metal disk, a circular hole with the diameter larger than that of the positioning rod is formed in the center of the fixed disk, and the sand core claw is a metal strip with a plurality of end points connected to one point; one end of the positioning rod is fixed with the sand core claw, and the other end of the positioning rod sequentially penetrates through the round hole of the fixed pressure plate and the fastening nut; the utility model discloses a, it is fixed firm stable to the psammitolite, and convenient operation, simple easy-to-use.
Description
Technical Field
The utility model relates to a sand casting equipment field especially relates to the fixed field of sand casting psammitolite.
Background
The sand casting is a common casting mode, has simple structure, low cost and easy realization, is suitable for single-piece, small-batch or large-batch production, and is widely applied to production environments. Sand boxes for sand casting are generally divided into a cope box and a drag box, sand cores are used for castings with complex structures, and when sand molds are located in the cope box, the sand molds need to be fixed firmly in position through a reinforcing mode.
In the prior art, a sand core fixing mechanism designed by the novel CN203695883U is really used for fixing a sand core by using a sand core, but the mode has complex operation, small bonding contact surface and weak fixation; a core fixing device such as that designed by the new CN204545329U is required to clamp the core from the side, is inconvenient to operate, and may damage the core, thereby affecting the quality and reliability of the casting.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the sand core fixing device is inconvenient in fixing the sand core and unstable in fixing the sand core.
The technical scheme of the utility model: a sand core securing device for casting, comprising: the sand core clamping device comprises a positioning rod, a fixed pressure plate, a fastening nut and a sand core claw, wherein the positioning rod is a metal rod with threads at two ends, the fixed disk is a circular metal disk, a circular hole with the diameter larger than the diameter of the positioning rod is formed in the center of the fixed disk, and the sand core claw is a plurality of metal strips with end points connected to one point; one end of the positioning rod is fixed with the sand core claw, and the other end of the positioning rod sequentially penetrates through the round hole of the fixed pressure plate and the fastening nut.
Further, the locating rod and the sand core claw are connected through threads.
Furthermore, the sand core claw is made of tungsten steel, and a ceramic membrane is arranged on the surface of the sand core claw.
Furthermore, a temperature sensor is arranged on the sand core claw metal rod.
Furthermore, one end of the positioning rod, which is connected with the fastening nut, is provided with an inner hexagonal counter bore.
Further, the thread depth of one end of the positioning rod connecting and fastening nut is 1/2 of the length of the positioning rod.
Further, the fixed pressure plate is provided with a hollow area.
The utility model discloses the beneficial effect who realizes: the sand core fixing device is firm and stable in sand core fixing, convenient to operate, simple and easy to use, and has replaceability.
Drawings
FIG. 1 is a schematic view of the sand core fixing device of the present invention;
FIG. 2 is a schematic view of the sand core fixing device of the present invention in a sand box;
fig. 3 is the utility model discloses psammitolite fixing device colludes claw sketch map.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, 2, and 3, a sand core fixing device for casting includes: the sand core positioning device comprises a positioning rod 1, a fixed pressure plate 2, a fastening nut 3 and a sand core claw 4, wherein the positioning rod 1 is a metal rod with threads at two ends, a fixed disc is a circular metal disc 2, a circular hole with the diameter larger than that of the positioning rod 1 is formed in the center of the fixed disc, and the sand core claw 4 is a metal strip with a plurality of end points connected to one point; the sand core claw 4 is fixed to locating lever 1 one end, and the other end passes the round hole of fixed pressure disk 2 in proper order, fastening nut 3. The sand core claw 4 is fixed in the sand core 7, the positioning rod penetrates through the upper sand box 5, the fixed pressure plate 2 is pressed on the surface of the upper sand box 5, and the fixed pressure plate 2 is locked by the fastening nut 3, so that the sand core 7 is fixed on the upper sand box 5; the core fixing device can adjust the core 7 after the cope flask 5 and the drag flask 6 are closed.
The positioning rod 1 and the sand core claw 4 are connected through threads, so that the sand core claw 4 with a proper size can be replaced according to sand cores 7 with different requirements.
The sand core claw 4 is made of tungsten steel, a ceramic film is arranged on the surface of the sand core claw 4, the temperature of the sand core 7 is very high during casting, the thermal stability of the sand core claw 4 made of tungsten steel is high, and when the ceramic film is prevented from contacting with metal liquid, the metal liquid is attached to the surface of the sand core claw 4.
Be equipped with temperature sensor 41 on the metal rod of sand core claw 4, the psammitolite 7 is located the sand mould incasement portion, measures the inside temperature of sand mould incasement through temperature sensor 41, can accurately judge foundry goods cooling degree, and rational distribution is long when cooling.
The positioning rod 1 is connected with one end of the fastening nut 3 and is provided with an inner hexagonal counter bore 11, and a hexagonal wrench is used in the dismounting process of the inner hexagonal counter bore 11 after casting is completed, so that the sand box can be dismounted conveniently.
The thread depth of one end of the positioning rod 1, which is connected with the fastening nut 3, is 1/2 of the length of the positioning rod, and the long thread depth is convenient to use on cope flasks 5 with different thicknesses.
The fixed pressure plate 2 is provided with a hollowed-out area, the weight of the fixed pressure plate 2 is reduced by the hollowed-out area, and the pressure on the cope flask 5 is reduced. The foregoing shows and describes the general principles, essential features, and advantages of the invention.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, and the present invention will have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A be used for as cast psammitolite fixing device which characterized in that: it includes: the sand core grinding machine comprises a positioning rod (1), a fixed pressing plate (2), a fastening nut (3) and sand core claws (4), wherein the two ends of the positioning rod (1) are provided with threaded metal rods, the fixed disc is a circular metal disc, the center of the fixed disc is provided with a circular hole with the diameter larger than that of the positioning rod (1), and the sand core claws (4) are a plurality of metal strips with end points connected to one point; the sand core claw (4) is fixed to one end of the locating rod (1), and the other end of the locating rod penetrates through the round hole of the fixed pressure plate (2) and the fastening nut (3) in sequence.
2. The sand core fixing device for casting as claimed in claim 1, wherein: the positioning rod (1) is connected with the sand core claw (4) through threads.
3. The sand core fixing device for casting as claimed in claim 1, wherein: the sand core claw (4) is made of tungsten steel, and a ceramic membrane is arranged on the surface of the sand core claw.
4. The sand core fixing device for casting as claimed in claim 1, wherein: and a temperature sensor (41) is arranged on the metal rod of the sand core claw (4).
5. The sand core fixing device for casting as claimed in claim 1, wherein: one end of the positioning rod (1) connected with the fastening nut (3) is provided with an inner hexagonal counter bore (11).
6. The sand core fixing device for casting as claimed in claim 1, wherein: the thread depth of one end of the positioning rod (1) connected with the fastening nut (3) is 1/2 of the length of the positioning rod (1).
7. The sand core fixing device for casting as claimed in claim 1, wherein: the fixed pressure plate (2) is provided with a hollow area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860793.2U CN210435315U (en) | 2019-06-10 | 2019-06-10 | Be used for as cast psammitolite fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860793.2U CN210435315U (en) | 2019-06-10 | 2019-06-10 | Be used for as cast psammitolite fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210435315U true CN210435315U (en) | 2020-05-01 |
Family
ID=70403004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920860793.2U Expired - Fee Related CN210435315U (en) | 2019-06-10 | 2019-06-10 | Be used for as cast psammitolite fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210435315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008045A (en) * | 2020-07-17 | 2020-12-01 | 共享装备股份有限公司 | Core marking tool and method for large sand core |
-
2019
- 2019-06-10 CN CN201920860793.2U patent/CN210435315U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008045A (en) * | 2020-07-17 | 2020-12-01 | 共享装备股份有限公司 | Core marking tool and method for large sand core |
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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: 20200501 Termination date: 20210610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |