CN201389613Y - Sand unloading gate of resin bonded sand mixer - Google Patents
Sand unloading gate of resin bonded sand mixer Download PDFInfo
- Publication number
- CN201389613Y CN201389613Y CN200920152086U CN200920152086U CN201389613Y CN 201389613 Y CN201389613 Y CN 201389613Y CN 200920152086 U CN200920152086 U CN 200920152086U CN 200920152086 U CN200920152086 U CN 200920152086U CN 201389613 Y CN201389613 Y CN 201389613Y
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- China
- Prior art keywords
- gate
- connecting rod
- base
- flashboard
- sand
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- 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.)
- Expired - Fee Related
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a sand unloading gate of a resin bonded sand mixer. The gate comprises a casing with a gate inlet at the upper end and a gate outlet at the lower end, a flash board and a flash board movable device containing an air cylinder, a connecting rod and a base, wherein the shape and size of the flash board is matched with those of the gate inlet, the upper end of the flash board is hinged on the base which is fixed on the housing, the flash board is hinged on the connecting rod, the other end of the connecting rod is hinged on a connecting rod base which is fixed on an air cylinder piston rod, and an air cylinder is fixed on the housing. The transmission efficiency of the gate is high, the service life is long, and the cost is saved; the gate is easy for production and assembly, thereby saving manual labor; the sealing performance is good, thereby effectively preventing dust entering a workshop through the gate, and maintaining the operation environment of the workshop; when the flash board is opened, the discharge of moulding sands is smooth, and the phenomenon of slideway blockage by moulding sands is completely solved; and the flash board serves as a barrier to block such operating mechanisms as the base, the connecting rod, the connecting rod base and the like, thereby preventing the mechanisms from being contaminated by dust and moulding sands, facilitating cleaning and maintenance, and prolonging the maintenance cycle.
Description
One, technical field
The utility model belongs to a kind of parts of resin sand puddle mixer, and what relate in particular to a kind of resin sand puddle mixer unloads the sand gate.
Two, background technology
In phenolic sand molding was produced, molding sand as binding agent, by the system of mixing, bonded together sand grains with synthetic resin.The mixed system of molding sand is finished in the resin sand puddle mixer.After mixing, fall into sandbox, finish moulding by unloading the sand gate.In the mulling process, unload the sand gate and outwards export molding sand by unlatching, closed two action control puddle mixers.
Tradition is unloaded the sand gate and is adopted flashboard one slide rail type structure, it is made up of the mobile device cylinder of housing, flat flashboard, slide rail and flashboard, there is the gate inlet housing upper end, there is the gate outlet lower end, slide rail is positioned on the front and back walls of housing, gate places in the slide rail, and the upper end is fixed on the piston rod of cylinder.Cylinder drives flashboard and moves along slide rail, and when flashboard cut out, the gate inlet was isolated with the gate outlet, and molding sand no longer flows out, and when flashboard was opened, the gate inlet was communicated with the gate outlet, and molding sand flows out and falls into sandbox.There is following shortcoming in this sand gate that unloads:
1. design applicability is poor.Unload sand gate inlet and be arc, and have big space between the flashboard.After flashboard cut out, meetings such as molding sand, dust spilt into the workshop by this space, pollute.
2. processing, installation difficulty.The rail structure complexity, requirement on machining accuracy is higher, difficult location when installing with housing.
3. serviceability is poor.Flashboard moves along slide rail, and frictional resistance is bigger, and after use a period of time, molding sand can be deposited in the slideway of slide rail, owing to added binding agent in the molding sand, slideway can be blocked after the drying, causes flashboard not move, and clears up also very difficult.
Owing to above reason, it is on the shelf that the sand gate unloads with this in domestic most of foundries, caused the wasting of resources.Resin sand puddle mixer original function disappearance can not satisfy the requirement of casting technique.
Three, summary of the invention
The purpose of this utility model is exactly to solve now with the problems referred to above that exist in the technology, provides a kind of molding sand that can thoroughly solve to stop up the slideway phenomenon, and the flashboard closed gate almost do not have after entering the mouth the slit the resin sand puddle mixer unload the sand gate.
For addressing the above problem, technical solution of the present utility model is: a kind of resin sand puddle mixer unload the sand gate, it comprises housing, flashboard and flashboard mobile device; There is the gate inlet upper end of housing, and there is the gate outlet lower end; The flashboard mobile device comprises cylinder, connecting rod and base; Flashboard and gate entrance shape and size are complementary; The flashboard upper end is hinged on the base, and base is fixed on the housing of gate porch, and the centre of flashboard is hinged on the connecting rod, and the other end of connecting rod is hinged on the connecting rod base, and the connecting rod base is fixed on the cylinder piston rod, and cylinder is fixed on the housing.
Cylinder of the present utility model promotes the motion of connecting rod base, thereby impels connecting rod to rotate, and drives flashboard and rotates along base, gate inlet and gate outlet is isolated the molding sand obstruct that is done.During the cylinder counter motion, drive flashboard along the base backward rotation, return to initial position, the gate inlet is communicated with the gate outlet, and molding sand is discharged.The utlity model has following advantage:
1. transmission efficiency height, long service life.Adopt swing flashboard type structure, greatly reduce the coefficient of friction of transmission system, reduced mechanical wear, prolonged service life, strengthened the stability of system, and the requirement of cylinder specification is reduced greatly, provide cost savings.
2. be convenient to produce and installation.Though this device member is more, requirement on machining accuracy is low, processes very conveniently, saves artificial.
3. favorable sealing property.To change arc into board-like by flat for the shape of flashboard, and when machine was not worked, flashboard cut out, and it closely contact with the gate inlet, and thorough closed gate enters the mouth, good sealing effect, and it has prevented that effectively dust etc. from spilling into the workshop from here, safeguarded the operating environment in workshop.
4. be convenient to cleaning and safeguard.When flashboard is opened, gate inlet and gate outlet integral body are opened, molding sand is discharged unobstructed, thoroughly solves molding sand and stops up the slideway phenomenon.Flashboard also forms barrier, has blocked motions such as base, connecting rod, connecting rod base, has prevented that them from being polluted by dust, molding sand, is convenient to cleaning and safeguards, has prolonged maintenance period.
Four, description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Structural representation when Fig. 1 opens for the utility model flashboard;
Structural representation when Fig. 2 closes for the utility model flashboard.
Five, the specific embodiment
As depicted in figs. 1 and 2, present embodiment comprises housing 2, flashboard 5 and flashboard mobile device.There is gate inlet a the upper end of housing 2, and there is gate outlet b the lower end.The flashboard mobile device comprises cylinder 1, connecting rod 4 and base 6.Connecting rod 4 is two parallel rods.Flashboard 5 is complementary with gate inlet a shape and size, the floor of two spacing distances is welded at flashboard 5 back sides side by side, floor makes flashboard not yielding, increase its service life, there is pan at the floor two ends, hinged with base 6 and connecting rod 4 respectively by copper sheathing, bearing pin and pad, base 6 is fixed on the housing 2 at gate inlet a place by bolt 8, the other end of connecting rod 4 is hinged on the connecting rod base 3 by copper sheathing, bearing pin 7 and pad, connecting rod base 3 is by on the piston rod that is bolted to cylinder 1, and cylinder 1 is fixed on the housing 2 by adpting flange.Pad can be adjusted flexibly according to the needs of axial dimension plus-minus quantity, can reduce the requirement on machining accuracy of hinged place structure.
Claims (3)
1, a kind of resin sand puddle mixer unload the sand gate, it comprises housing (2), flashboard (5) and flashboard mobile device; There is gate inlet (a) upper end of housing (2), and there is gate outlet (b) lower end; It is characterized in that: the flashboard mobile device comprises cylinder (1), connecting rod (4) and base (6); Flashboard (5) is complementary with gate inlet (a) shape and size; Flashboard (5) upper end is hinged on the base (6), base (6) is fixed on the housing (2) that gate inlet (a) locates, the centre of flashboard (5) is hinged on the connecting rod (4), the other end of connecting rod (4) is hinged on the connecting rod base (3), connecting rod base (3) is fixed on cylinder (1) piston rod, and cylinder (1) is fixed on the housing (2).
2, puddle mixer according to claim 1 unload the sand gate, it is characterized in that: described connecting rod (4) is two parallel rods.
3, puddle mixer according to claim 1 and 2 unloads the sand gate, it is characterized in that: the floor of two spacing distances is welded at described flashboard (5) back side side by side, there is pan at the floor two ends, and are hinged by copper sheathing, bearing pin and pad with base (6) and connecting rod (4) respectively; The other end of connecting rod (4) is hinged on the connecting rod base (3) by copper sheathing, bearing pin (7) and pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920152086U CN201389613Y (en) | 2009-04-24 | 2009-04-24 | Sand unloading gate of resin bonded sand mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920152086U CN201389613Y (en) | 2009-04-24 | 2009-04-24 | Sand unloading gate of resin bonded sand mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201389613Y true CN201389613Y (en) | 2010-01-27 |
Family
ID=41596432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920152086U Expired - Fee Related CN201389613Y (en) | 2009-04-24 | 2009-04-24 | Sand unloading gate of resin bonded sand mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201389613Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609163A (en) * | 2014-10-16 | 2015-05-13 | 广州辐艾达机电设备有限公司 | Automatic pastry storing machine |
| CN111375747A (en) * | 2018-12-28 | 2020-07-07 | 北京天哲消失模铸造技术有限公司 | Bottom-discharge sand shakeout system |
-
2009
- 2009-04-24 CN CN200920152086U patent/CN201389613Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609163A (en) * | 2014-10-16 | 2015-05-13 | 广州辐艾达机电设备有限公司 | Automatic pastry storing machine |
| CN111375747A (en) * | 2018-12-28 | 2020-07-07 | 北京天哲消失模铸造技术有限公司 | Bottom-discharge sand shakeout system |
| CN111375747B (en) * | 2018-12-28 | 2024-05-24 | 北京天哲消失模铸造技术有限公司 | Bottom unloading and shakeout system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20120424 |