CN217044543U - Anti-backflow cut-off transmission mechanism for suction and injection - Google Patents
Anti-backflow cut-off transmission mechanism for suction and injection Download PDFInfo
- Publication number
- CN217044543U CN217044543U CN202123014553.7U CN202123014553U CN217044543U CN 217044543 U CN217044543 U CN 217044543U CN 202123014553 U CN202123014553 U CN 202123014553U CN 217044543 U CN217044543 U CN 217044543U
- Authority
- CN
- China
- Prior art keywords
- bell jar
- cylinder
- pressing plate
- transmission mechanism
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A suction injection backflow prevention cut-off transmission mechanism comprises: the gold bell jar, the pressing plate arranged in the gold bell jar and the transmission mechanism arranged between the gold bell jar and the pressing plate; wherein, the golden bell jar is a cover body with a cavity inside; two ends of the golden bell jar are respectively provided with a control valve; a top plate is arranged at the top of the golden bell jar, and a pressure plate cylinder is arranged in the middle of the top plate; the transmission mechanism is provided with: and the linear guide posts penetrate through the top of the golden bell jar and are connected with a connecting plate arranged at the upper part, the connecting plate is connected with a pressing plate cylinder fixed on the golden bell jar, and a cuboid structure is formed among the connected pressing plate, the linear guide posts and the connecting plate. The utility model can not only shorten the cycle time of the suction and injection process, but also improve the efficiency of suction and injection production; and the defect of the casting caused by the backflow of the molten steel after the suction and injection are finished can be prevented, and the defect rate of the casting is reduced.
Description
Technical Field
The utility model belongs to machinery casting field especially relates to inhale notes and cut off drive mechanism with anti-return.
Background
In mechanical casting, suction and injection are casting processes in which molten metal in a furnace is sucked into a sand mold through a special pipeline by pressure difference and then cooled.
During suction and injection, the sand mold is in a closed space, and in the suction and injection process, a certain negative pressure can be kept in the closed space, and the negative pressure must ensure that the sand mold can be filled with molten steel. After the molten steel enters the sand mold until the molten steel is filled, at the moment, the molten steel in the sand mold is not solidified, so the pressure in the closed space can be recovered to the atmospheric pressure only by maintaining the pressure until the molten steel in the sand mold is in a molten state or a solid state (the time period is at least 50 seconds, the larger the mold weight of the casting is, the longer the pressure maintaining time is), so that the whole cycle period of suction and injection is increased, the pressure in the closed space is not separated from the sprue during the process of recovering to the atmospheric pressure, the molten steel flows back to the furnace along the sprue and the ceramic pipe under the action of gravity, the suction force of the casting is insufficient, and the defect rate of the casting is generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inhale and annotate with anti-return cut off drive mechanism to solve and inhale and annotate the cycle length, and because of the not enough technical problem of suction of the foundry goods that the molten steel backward flow caused.
In order to achieve the above object, the utility model discloses a inhale notes with anti-return cut off drive mechanism's concrete technical scheme as follows:
a suction injection backflow prevention cut-off transmission mechanism comprises: the gold bell jar, the pressing plate arranged in the gold bell jar and the transmission mechanism arranged between the gold bell jar and the pressing plate; wherein, the golden bell jar is a cover body with a cavity inside; two ends of the golden bell jar are respectively provided with a control valve; a top plate is arranged at the top of the golden bell jar, and a pressure plate cylinder is arranged in the middle of the top plate; the transmission mechanism is provided with: and the linear guide posts penetrate through the top of the golden bell jar and are connected with a connecting plate arranged at the upper part, the connecting plate is connected with a pressing plate cylinder fixed on the golden bell jar, and a cuboid structure is formed among the connected pressing plate, the linear guide posts and the connecting plate.
Further, the golden bell jar is cylindrical in shape.
Further, the control valve is a suction valve.
Furthermore, the pressing plate is a cylinder, a through round hole is formed in the center of the pressing plate, a plurality of cylindrical bosses are arranged on the periphery of the through round hole in the top of the pressing plate at intervals, and a plurality of threaded holes are formed in the centers of the bosses.
Furthermore, the linear guide posts are vertically arranged on the pressing plate at intervals of a set distance; and the parts of the plurality of linear guide posts connected with the golden bell jar are respectively sealed by sealant.
Furthermore, the two ends of the linear guide posts are respectively provided with threads, one end of each linear guide post is fixed on the cylindrical boss on the pressing plate, the thread parts at the other ends of the linear guide posts are respectively provided with a nut and a spring, the nut and the spring penetrate through the through holes on the connecting plate, the nuts are used at the tail ends of the linear guide posts, the linear guide posts and the connecting plate are respectively connected together, and the connecting plate is ensured to be horizontal.
Furthermore, a gland cylinder is arranged in the middle of the pressing plate and located in the middle of the plurality of linear guide posts, and a pressing head is arranged on the gland cylinder.
Furthermore, the cylinder body of the pressure plate cylinder is fixed on the top of the gold bell jar, the tail end of the cylinder rod of the pressure plate cylinder is fixed with one end of the connecting block, and the other end of the connecting block is fixed with the connecting plate.
Furthermore, a cylinder body of the gland cylinder is fixed at the center of the pressing plate, a cylinder rod of the gland cylinder penetrates through a round hole in the center of the pressing plate, and the pressing head is fixed at the tail end of the cylinder rod.
Furthermore, the connecting plate is of a square structure, a plurality of threaded holes are formed in the center of the connecting plate, and through holes are formed in four corners of the connecting plate respectively; and the connecting plate is made of aluminum, iron or steel metal materials.
The utility model discloses a inhale notes and cut off drive mechanism with anti-return has following advantage:
the utility model can not only shorten the cycle time of the suction and injection process, but also greatly improve the efficiency of suction and injection production; and the defect of castings caused by backflow of molten steel after suction and injection are finished can be prevented, and the defect rate of the castings is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the connecting plate of the present invention.
The symbols in the figure illustrate:
1-gold bell jar; 2, pressing a plate; 3-connecting the plates; 4, connecting blocks; 5-a platen cylinder; 6-linear guide post; 7-a gland cylinder; 8-a pressure head; 9-a suction valve; 10-a through hole; 11-threaded hole.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model comprises: the gold bell jar 1, the pressing plate 2 arranged in the gold bell jar 1 and the transmission mechanism arranged between the gold bell jar 1 and the pressing plate 2; wherein, the gold bell jar 1 is cylindrical in shape, and a cavity is arranged in the gold bell jar; two ends of the golden bell jar 1 are respectively provided with a control valve which is a suction valve 9; the top of the golden bell jar 1 is provided with a top plate, and a pressure plate cylinder 5 is arranged in the middle of the top plate.
The pressing plate 2 is a cylinder, a through round hole is formed in the center of the pressing plate 2, a plurality of cylindrical bosses (four in the embodiment) are arranged on the periphery of the through round hole in the top of the pressing plate 2 at intervals, and a plurality of threaded holes are formed in the centers of the bosses.
The transmission mechanism is provided with: a plurality of linear guide posts 6 (four in this embodiment) mounted on the pressing plate 2, and the linear guide posts 6 are vertically mounted on the pressing plate 2 at intervals of a set distance; the linear guide post 6 penetrates through the top of the golden bell jar 1 and is connected with a connecting plate 3 arranged at the upper part, the connecting plate 3 is connected with a pressing plate cylinder 5 fixed on the golden bell jar 1, and a cuboid structure is formed among the connected pressing plate 2, the four linear guide posts 6 and the connecting plate 3; a gland cylinder 7 is arranged in the middle of the pressure plate 2; the gland cylinder 7 is positioned in the middle of the four linear guide posts 6, and a pressure head 8 is arranged on the gland cylinder 7.
The two ends of the linear guide columns 6 are respectively provided with threads, one end of each linear guide column is fixed on the cylindrical boss on the pressing plate 2, the thread parts at the other ends of the linear guide columns 6 are respectively provided with a nut and a spring, the nut and the spring penetrate through four through holes 10 formed in the connecting plate 3, the tail ends of the linear guide columns are provided with nuts, the linear guide columns 6 and the connecting plate 3 are respectively connected together, and the connecting plate 3 is guaranteed to be horizontal.
The cylinder body of the pressure plate cylinder 5 is fixed on the top of the gold bell jar 1 by using bolts, the tail end of the cylinder rod of the pressure plate cylinder 5 is fixed with one end of the connecting block 4 in a threaded connection mode, and the other end of the connecting block 4 is fixed with the threaded hole 11 on the connecting plate 3 by using bolts.
The cylinder body of the gland cylinder 7 is fixed at the center of the pressing plate, the cylinder rod of the gland cylinder 7 penetrates through a round hole in the center of the pressing plate, and the tail end of the cylinder rod is fixedly provided with a pressing head 8 in threaded connection.
The parts of the linear guide posts 6 connected with the gold bell jar 1 are respectively sealed by sealant.
As shown in fig. 3, the connecting plate 3 is a square structure, the center of the connecting plate 3 is provided with a plurality of threaded holes 11, and four corners of the connecting plate 3 are respectively provided with through holes 10. And the connecting plate 3 is made of metal materials such as aluminum, iron or steel materials.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The utility model discloses a theory of operation as follows:
when in use, the sand core is placed on the bottom plate, and then the gold bell jar 1 in the utility model is used for buckling the sand core on the bottom plate to isolate the sand core from the outside; at the moment, under the action of compressed air, a cylinder rod of the pressing plate cylinder 5 moves downwards and drives the pressing plate 2 to move downwards, so that the pressing plate 2 presses the sand core; the gland cylinder 7 also moves downwards for a certain distance, so that the pressure head 8 has a certain distance from the top end of the gland in the center of the sand core; opening the suction valve 9 to pump out the air in the gold bell jar 1, so as to reduce the pressure in the gold bell jar 1; at the moment, molten steel in a furnace enters a sand mould, after a period of time, the sand mould is filled with the molten steel, the molten steel is in a liquid state, the gland cylinder 7 continues to move downwards and drives the pressure head 8 to move downwards and act on the gland at the center of the sand mould, so that the gland at the center of the sand mould moves downwards, the gland can separate a cross gate from a sprue at the moment, the molten steel in the sand mould is kept in the sand core all the time, compressed air is supplied into the gold bell jar 1 after a few seconds, the internal and external pressures of the gold bell jar 1 are consistent, at the moment, the gold bell jar 1, the pressure plate cylinder 5 and the gland cylinder 7 start to move upwards, and then the manipulator moves out of the sand core.
The gold bell jar 1, the connecting block 4, the pressure plate cylinder 5, the linear guide post 6, the gland cylinder 7 and the suction valve 9 are the prior art, and the unexplained technology is the prior art, so the description is omitted.
It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (9)
1. The utility model provides a inhale notes and cut off drive mechanism with anti-return, its characterized in that includes: the gold bell jar, the pressing plate arranged in the gold bell jar and the transmission mechanism arranged between the gold bell jar and the pressing plate; wherein, the golden bell jar is a cover body with a cavity inside; two ends of the golden bell jar are respectively provided with a control valve; a top plate is arranged at the top of the golden bell jar, and a pressure plate cylinder is arranged in the middle of the top plate; the transmission mechanism is provided with: and the linear guide posts penetrate through the top of the golden bell jar and are connected with a connecting plate arranged at the upper part, the connecting plate is connected with a pressing plate cylinder fixed on the golden bell jar, and a cuboid structure is formed among the connected pressing plate, the linear guide posts and the connecting plate.
2. The suck back cut off transmission mechanism as defined in claim 1, wherein said metallic bell jar is cylindrical in shape.
3. The transmission mechanism as claimed in claim 1, wherein the control valve is a suction valve.
4. The transmission mechanism as claimed in claim 1, wherein the pressing plate is a cylinder, a through hole is formed in a center portion of the pressing plate, a plurality of cylindrical bosses are formed around the through hole at a predetermined interval on a top portion of the pressing plate, and a plurality of screw holes are formed in a center of the bosses.
5. The transmission mechanism for preventing backflow shut-off for suction/injection according to claim 1, wherein the plurality of linear guide posts are vertically installed on the pressing plate at a set distance; and the connection parts of the linear guide posts and the golden bell jar are sealed by sealant.
6. The transmission mechanism as claimed in claim 1 or 5, wherein the linear guide posts are provided with threads at both ends thereof, one ends of the linear guide posts are fixed to the cylindrical bosses of the pressing plate, the threaded portions at the other ends of the linear guide posts are provided with a nut and a spring, respectively, and penetrate through the through holes of the connecting plate, and the nuts are used at the ends thereof to connect the linear guide posts and the connecting plate together, respectively, and to ensure that the connecting plate is horizontal.
7. The transmission mechanism for preventing backflow cutting for suction and injection according to claim 1 or 4, wherein a capping cylinder is installed in the middle of the pressure plate, the capping cylinder is located in the middle of the plurality of linear guide posts, and a pressure head is installed on the capping cylinder; the cylinder body of the gland cylinder is fixed at the center of the pressing plate, the cylinder rod of the gland cylinder penetrates through a round hole in the center of the pressing plate, and the pressing head is fixed at the tail end of the cylinder rod.
8. The transmission mechanism for preventing backflow cutting for suction and injection according to claim 1, wherein the cylinder body of the platen cylinder is fixed to the top of the gold bell jar, and the end of the cylinder rod of the platen cylinder is fixed to one end of the connecting block, and the other end of the connecting block is fixed to the connecting plate.
9. The transmission mechanism of claim 1, wherein the connecting plate is a square structure, the connecting plate has a plurality of threaded holes at the center, and through holes are respectively formed at four corners of the connecting plate; and the connecting plate is made of aluminum, iron or steel metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123014553.7U CN217044543U (en) | 2021-12-02 | 2021-12-02 | Anti-backflow cut-off transmission mechanism for suction and injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123014553.7U CN217044543U (en) | 2021-12-02 | 2021-12-02 | Anti-backflow cut-off transmission mechanism for suction and injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217044543U true CN217044543U (en) | 2022-07-26 |
Family
ID=82476471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123014553.7U Active CN217044543U (en) | 2021-12-02 | 2021-12-02 | Anti-backflow cut-off transmission mechanism for suction and injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217044543U (en) |
-
2021
- 2021-12-02 CN CN202123014553.7U patent/CN217044543U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101774008A (en) | Sealing method used for low-pressure casting | |
| CN105945225B (en) | Automobile brake base plate class casting descends chilling block device and Mechanical processing of casting method automatically | |
| CN104139169A (en) | Casting and forging method and casting and forging device | |
| CN201768895U (en) | Casting die vacuumizing structure | |
| CN217044543U (en) | Anti-backflow cut-off transmission mechanism for suction and injection | |
| CN106552917A (en) | A kind of high vacuum die casting mould for alloy die cast shaping | |
| CN201921994U (en) | Device for preventing upper box of welding sand box in casting from lifting | |
| CN201134352Y (en) | Light steel plate mold for casting coil | |
| CN201644762U (en) | Low-pressure die-casting machine | |
| CN208408592U (en) | A kind of drill mold convenient for cleaning coolant liquid | |
| CN105855475A (en) | Automatic pouring device for automotive air conditioner compressor aluminum alloy stator disc | |
| CN103100671B (en) | Gravity casting machine of wheel hub | |
| CN213317601U (en) | Die casting device capable of accelerating cooling | |
| CN215237714U (en) | High leakproofness die casting die | |
| CN206316319U (en) | The full-automatic sand casting moulding machine more piece valve gated mold of sand is penetrated up and down | |
| CN203292457U (en) | Liquid forging vacuum system | |
| CN207308940U (en) | A kind of wheel hub negative pressure casting device | |
| CN208600575U (en) | A kind of safe and efficient hardware processing mold of auto parts production | |
| CN106392002B (en) | Penetrate the full-automatic sand casting moulding machine more piece valve gated mold of sand up and down | |
| CN205888034U (en) | A sealing device for suction pouring | |
| CN110625069A (en) | Pressure device for riser | |
| CN105689684B (en) | A kind of hardware foundry work platform | |
| CN216397947U (en) | Die casting die with prevent excursion function | |
| CN210498256U (en) | High-efficient casting mold of ferroalloy | |
| CN211101545U (en) | Pressure device for casting head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |