CN210172507U - Improved lever profiling device - Google Patents
Improved lever profiling device Download PDFInfo
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- CN210172507U CN210172507U CN201920855757.7U CN201920855757U CN210172507U CN 210172507 U CN210172507 U CN 210172507U CN 201920855757 U CN201920855757 U CN 201920855757U CN 210172507 U CN210172507 U CN 210172507U
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Abstract
An improved lever profiling device comprises a transversely arranged channel steel frame, a connecting rod arranged in a groove of the channel steel frame, a fixed beam arranged on the top surface of the channel steel frame and an air cylinder. A groove is transversely formed in the bottom surface of the channel steel frame, the connecting rod is installed in the groove, and a first hinge shaft is arranged at the right end of the channel steel frame. The connecting rod is hinged in the groove of the channel steel frame through the first hinge shaft, the length of the connecting rod on the left side of the first hinge shaft is three-fourths of the total length of the connecting rod, and the length of the connecting rod on the right side of the first hinge shaft is one-fourth of the total length of the connecting rod. The cylinder is arranged on the top surface of the groove-shaped steel frame and located on the right side of the fixed beam, the telescopic rod of the cylinder is vertically arranged, and the upper end portion of the telescopic rod is in bridge connection with the left end portion of the connecting rod through a driving arm. The improved lever profiling device is compact in structure, large in profiling force, high in reliability, low in failure rate and extremely convenient to install and maintain.
Description
Technical Field
The utility model relates to a di sand line molding sand field of making, concretely relates to modified lever die mould device.
Background
Currently, companies produce molding sand using a vertical molding line comprising a prototype molding device 1. Referring to fig. 1, the original profiling apparatus includes a channel steel frame 10, a connecting rod 11 disposed in a groove of the channel steel frame 10, a fixed beam 12 disposed on a top surface of the channel steel frame 10, and a cylinder 13 disposed on the top surface of the channel steel frame 10 and located on a left side of the fixed beam 12. The right end of the channel steel frame 10 is provided with a first hinge shaft 15, the connecting rod 11 is hinged in the groove of the channel steel frame 10 through the first hinge shaft 15, and the right end of the connecting rod 11 is hinged with a sand mold pressing plate 16. The length of the link 11 on the left side of the first hinge axis 15 is one-half of the total length of the link 11, and the length of the link 11 on the right side of the first hinge axis 15 is also one-half of the total length of the link 11. Because the first hinge shaft 15 is used as a lever fulcrum, the length of the connecting rods on the two sides is one half of the total length of the connecting rods, the moments on the two sides are equal, and the profiling force is insufficient, so that the problems of sand mold backing and large sand hole amount are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the shortcoming and not enough among the prior art, provide an improved lever die mould device, will originally be located the left cylinder of fixed beam and repack the right side of fixed beam to elongated slot type steelframe moves the first hinge pin right side, makes the moment ratio 1:1 of original first hinge pin left and right sides change to 3:1, has increased die mould force, has effectively avoided because the problem that the sand mould is backed up, the sand hole volume is big that the die mould force is not enough leads to.
The utility model discloses a realize through following technical scheme:
the utility model provides a modified lever die mould device, includes the channel type steelframe of a horizontal setting, a connecting rod of horizontal setting in the recess of this channel type steelframe, a fixed beam and a cylinder of setting on this channel type steelframe top surface of setting on this channel type steelframe, specifically is:
the bottom surface of the groove-shaped steel frame is transversely provided with a groove, the connecting rod is installed in the groove, and the right end of the groove-shaped steel frame is provided with a first hinge shaft;
the connecting rod is hinged in the groove of the channel steel frame through the first hinge shaft and can do lever motion, the length of the connecting rod on the left side of the first hinge shaft is three-fourths of the total length of the connecting rod, and the length of the connecting rod on the right side of the first hinge shaft is one-fourth of the total length of the connecting rod;
the cylinder is arranged on the top surface of the channel steel frame and located on the right side of the fixed beam, a telescopic rod of the cylinder is vertically arranged, and the upper end portion of the telescopic rod is in bridge connection with the left end portion of the connecting rod through a driving arm.
Furthermore, a second hinge shaft is arranged at the right end of the connecting rod, and a third hinge shaft is arranged at the left end of the connecting rod.
Furthermore, the right end of the connecting rod is hinged with a sand mould pressing plate through the second hinge shaft.
Furthermore, the left end of the connecting rod is hinged to the driving arm through the third hinge shaft and passes through a telescopic rod which is bridged with the cylinder through the driving arm.
Furthermore, a fourth hinge shaft is arranged at the upper end of the cylinder telescopic rod, and the cylinder telescopic rod is hinged to the driving arm through the fourth hinge shaft and is bridged with the left end of the connecting rod through the driving arm.
Preferably, the active arm is bent at a right angle.
Preferably, the fixed beam horizontally fixes the channel steel frame through a bolt.
Further, the length of the connecting rod is longer than that of the channel-shaped steel frame, so that two ends of the connecting rod extend out of the grooves of the channel-shaped steel frame.
Compared with the prior art, the beneficial effects of this scheme are:
1) the cylinder originally positioned on the left side of the fixed beam is refitted to the right side of the fixed beam, so that the improved and improved scheme is more suitable for increasing the molding chamber cavity, the external space of the Disha line vertical to the molding line is reduced, the structure is compact, and the yield is improved;
2) the groove-shaped steel frame is lengthened, the first hinge shaft is moved to the right, the original moment ratio of the left side to the right side of the first hinge shaft is changed from 1:1 to 3:1, the profiling force is increased, and the problems of sand mold backing and large sand hole amount caused by insufficient profiling force are effectively solved.
3) The improved vertical molding line of the dike sand line has high reliability, low failure rate and extremely convenient installation and maintenance.
In order that the invention may be more clearly understood, preferred embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a compression molding apparatus in the prior art;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic cross-sectional view of the middle channel steel frame 20 of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 2 and 3, the improved lever profiling apparatus of the present embodiment includes a horizontally disposed channel steel frame 20, a connecting rod 30 horizontally disposed in a groove of the channel steel frame 20, a fixed beam 40 disposed on a top surface of the channel steel frame 20, and an air cylinder 50 disposed on the top surface of the channel steel frame 20 and located at a right side of the fixed beam 40.
The bottom surface of the channel steel frame 20 is transversely provided with a groove, the connecting rod 30 is installed in the groove, the right end of the channel steel frame 20 is provided with a first hinge shaft 22, and the connecting rod 30 is hinged in the groove of the channel steel frame 20 through the first hinge shaft 22.
The connecting rod 30 is hinged in the groove of the channel steel frame 20 through the first hinge shaft 22, the length of the connecting rod 30 is longer than that of the channel steel frame 20, so that two ends of the connecting rod 30 extend out of the groove of the channel steel frame 20, and the connecting rod 30 can perform lever motion by taking the first hinge shaft 22 as a support shaft. A second hinge shaft 31 is arranged at the right end of the connecting rod 30, and a sand mold pressing plate 32 is hinged at the right end of the connecting rod 30 through the second hinge shaft 31; the left end of the connecting rod 30 is provided with a third hinge shaft 33, and the left end of the connecting rod 30 is hinged with a driving arm 70 which is bent at a right angle through the third hinge shaft 33 and is bridged on the telescopic rod 51 of the air cylinder 50 through the driving arm 70. Preferably, in this embodiment, the length of the link 30 located at the left side of the first hinge shaft 22 is three-quarters of the total length of the link 30, and the length of the link 30 located at the right side of the first hinge shaft 22 is one-quarter of the total length of the link 30, so that the moment ratio of the left side and the right side of the first hinge shaft 22 reaches three-to-one, and the compression force is increased.
And the fixed beam 40 is arranged on the top surface of the channel steel frame 20, and the fixed beam 40 horizontally fixes the channel steel frame 20 through bolts.
The cylinder 50 is disposed on the top surface of the channel steel frame 20 and located on the right side of the fixed beam 40, the telescopic rod 51 of the cylinder 50 is vertically disposed, the upper end of the telescopic rod 51 is provided with a fourth hinge shaft 52, and the telescopic rod 51 of the cylinder 50 bridges the left end of the connecting rod 30 through the driving arm 70 bent at a right angle.
The working principle of the improved lever profiling device is as follows: the sand mould is located the conveyer belt of sand mould clamp plate 32 below, pushes away the back that targets in place when the sand mould, and the telescopic link 51 of cylinder 50 upwards stretches out, drives the initiative arm 70 and the left end portion of connecting rod 30 and rises, because leverage, and then drives the sand mould clamp plate 32 of the right-hand member portion of connecting rod 30 and pushes down, and sand mould clamp plate 32 compresses tightly the sand mould, and the sand mould moves back, and the drawing of patterns smoothly. Then, the telescopic rod 51 of the air cylinder 50 retracts downwards to drive the driving arm 70 and the left end part of the connecting rod 30 to descend, and further drive the sand mold pressing plate 32 at the right end part of the connecting rod 30 to ascend due to the lever effect and separate from the sand molds on the conveyor belt to enter the next cycle.
Compared with the prior art, this modified lever die mould device's beneficial effect is:
1) the cylinder originally positioned on the left side of the fixed beam is refitted to the right side of the fixed beam, so that the improved and improved scheme is more suitable for increasing the molding chamber cavity, the external space of the Disha line vertical to the molding line is reduced, the structure is compact, and the yield is improved;
2) the groove-shaped steel frame is lengthened, the first hinge shaft is moved to the right, the original moment ratio of the left side to the right side of the first hinge shaft is changed from 1:1 to 3:1, the profiling force is increased, and the problems of sand mold backing and large sand hole amount caused by insufficient profiling force are effectively solved.
3) The improved vertical molding line of the dike sand line has high reliability, low failure rate and extremely convenient installation and maintenance.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides a modified lever die mould device, includes the cell type steelframe of a horizontal setting, a connecting rod of horizontal setting in the recess of this cell type steelframe, a fixed beam and a cylinder of setting on this cell type steelframe top surface of setting on this cell type steelframe, its characterized in that:
the bottom surface of the groove-shaped steel frame is transversely provided with a groove, the connecting rod is installed in the groove, and the right end of the groove-shaped steel frame is provided with a first hinge shaft;
the connecting rod is hinged in the groove of the channel steel frame through the first hinge shaft and can do lever motion, the length of the connecting rod on the left side of the first hinge shaft is three-fourths of the total length of the connecting rod, and the length of the connecting rod on the right side of the first hinge shaft is one-fourth of the total length of the connecting rod;
the cylinder is arranged on the top surface of the channel steel frame and located on the right side of the fixed beam, a telescopic rod of the cylinder is vertically arranged, and the upper end portion of the telescopic rod is in bridge connection with the left end portion of the connecting rod through a driving arm.
2. The improved lever profiling device of claim 1 wherein: the right end part of the connecting rod is provided with a second hinge shaft, and the left end part of the connecting rod is provided with a third hinge shaft.
3. The improved lever profiling device of claim 2 wherein: the right end part of the connecting rod is hinged with a sand mould pressing plate through the second hinge shaft.
4. The improved lever profiling device of claim 3 wherein: the left end part of the connecting rod is hinged with the driving arm through the third hinge shaft and passes through a telescopic rod which is bridged with the cylinder through the driving arm.
5. The improved lever profiling device of claim 4 wherein: the upper end of the cylinder telescopic rod is provided with a fourth hinge shaft, and the cylinder telescopic rod is hinged with the driving arm through the fourth hinge shaft and is bridged with the left end of the connecting rod through the driving arm.
6. The improved lever profiling device of claim 5 wherein: the driving arm is bent at a right angle.
7. The improved lever profiling device of claim 5 wherein: and the fixed beam horizontally fixes the channel steel frame through a bolt.
8. The improved lever profiling device of any one of claims 6 or 7 wherein: the length of the connecting rod is longer than that of the channel-shaped steel frame, so that two ends of the connecting rod extend out of the grooves of the channel-shaped steel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855757.7U CN210172507U (en) | 2019-06-06 | 2019-06-06 | Improved lever profiling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855757.7U CN210172507U (en) | 2019-06-06 | 2019-06-06 | Improved lever profiling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172507U true CN210172507U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920855757.7U Active CN210172507U (en) | 2019-06-06 | 2019-06-06 | Improved lever profiling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210172507U (en) |
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2019
- 2019-06-06 CN CN201920855757.7U patent/CN210172507U/en active Active
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