CN109708450B - Involute guiding and positioning mechanism - Google Patents
Involute guiding and positioning mechanism Download PDFInfo
- Publication number
- CN109708450B CN109708450B CN201811619708.XA CN201811619708A CN109708450B CN 109708450 B CN109708450 B CN 109708450B CN 201811619708 A CN201811619708 A CN 201811619708A CN 109708450 B CN109708450 B CN 109708450B
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- involute
- positioning mechanism
- rotation
- involute guide
- guide plate
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- 238000001035 drying Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention relates to an involute guide positioning mechanism, which comprises a fixed rod horizontally fixed on the inner side wall of a drying box, wherein a sliding rail is fixed on the fixed rod, one side of the fixed rod is fixedly provided with a telescopic mechanism, an involute guide plate is connected onto the sliding rail in a sliding way, one side of the involute guide plate, which faces towards a rotation component in the drying box, is an involute guide curved surface, the rotation component comprises a belt pulley and two guide wheels which are arranged on the plane of one side of the belt pulley and are radially symmetrical, the involute guide plate is connected with the telescopic end of the telescopic mechanism through a connecting piece, the telescopic mechanism can drive the involute guide plate to move along the sliding rail, and after the involute guide plate is driven by the telescopic mechanism to advance to a positioning point, the rotation component acts on the guide wheels and the involute guide curved surface in the process of rotating to the positioning point along with the revolution component in the drying box so as to reduce the rotating speed of a rotation unit until the rotation unit stops. The self-rotating assembly guiding wheel has the advantages that the acting stroke of the self-rotating assembly guiding wheel and the guiding and positioning mechanism is effectively prolonged, the rotating speed is slowly reduced, and the impact force is small.
Description
Technical Field
The invention relates to a guiding and positioning technology of revolution units in a mould shell drying box, in particular to an involute guiding and positioning mechanism.
Background
In order to have better drying effect when the mould shell drying box is used for drying the mould shell, a revolution assembly and a rotation assembly which can be connected with a plurality of groups of mould shells in a hanging way and can rotate in the drying box are arranged in the mould shell drying box, and when the hanging point arranged on the revolution assembly is accurately stopped at the position aligned with the upper box door on the side wall of the mould shell drying box after the drying is finished or during feeding, the rotation assembly can stop rotating and align with the upper box door on the side wall of the drying box so as to facilitate loading and unloading, the rotation assembly stops in a shorter distance by rotation, the kinetic energy is fast in attenuation, the impact force is large, and the rotation assembly and a guide rail for guiding and positioning the rotation assembly are easy to be damaged.
Disclosure of Invention
The invention provides an involute guiding and positioning mechanism, which aims to effectively prolong the travel from rotation to stop positioning when a rotation assembly moves to a box door along with a revolution assembly, slowly reduce rotation kinetic energy until stopping, reduce impact force and reduce damage to related parts.
The technical scheme for solving the technical problems is as follows: the utility model provides an involute guide positioning mechanism, its includes the level is fixed in the dead lever that the cross section is the rectangle on the drying cabinet inside wall, dead lever upper surface or lower surface fixing have the slide rail, dead lever's front side surface or rear side surface fixing have telescopic machanism, sliding connection has the involute deflector on the slide rail, the involute deflector is towards one side of rotation subassembly in the drying cabinet is involute guide curved surface, rotation subassembly includes the belt pulley and installs two leading wheels of radial symmetry on the belt pulley one side plane, the leading wheel is close to the rim setting of belt pulley, the involute deflector pass through the connecting piece with telescopic machanism's flexible end is connected just telescopic machanism can drive the involute deflector follows the slide rail removes, the involute deflector is in the telescopic machanism drives the back of advancing to the setpoint, rotation subassembly is in the in-process of rotating to along with in the drying cabinet revolution subassembly, the leading wheel with the effect of involute guide curved surface is in order to reduce the rotational speed of rotation unit until stopping.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the telescopic mechanism is an air cylinder, and two ends of the cylinder body of the air cylinder are fixed on the front side surface of the fixing rod through the support.
The telescopic mechanism is positioned at the front side of the fixed rod, and is easy to detach, replace and maintain.
Further, the connecting piece is an L-shaped plate.
The beneficial effect of adopting above-mentioned further scheme is, simple structure, connects stably.
Further, the involute guide plate is in sliding connection with the sliding rail through a sliding block.
The beneficial effect of adopting above-mentioned further scheme is, simple structure, easy installation and maintenance.
Further, a plurality of through holes are formed in the involute guide plate.
The technical scheme has the beneficial effects that accumulated water and dust are prevented, the material consumption of the involute guide plate can be effectively reduced, and the cost is reduced.
Further, the cylindrical surface of each guide wheel is sleeved with a wear-resistant rubber sleeve.
The anti-collision damping device has the beneficial effects that the anti-collision damping device is anti-collision damping, noise is reduced, meanwhile, the friction coefficient is large, and the speed of the autorotation assembly is reduced more rapidly.
Compared with the prior art, the invention has the beneficial effects that:
the original straight-line segment-shaped shorter guiding and positioning mechanism is replaced by the longer involute curve guiding and positioning mechanism, the original shorter positioning and speed-reducing stroke is effectively prolonged, the rotation of the rotation assembly is slowly reduced to stop, the impact force is greatly reduced, and the guiding and positioning mechanism and the rotation assembly are effectively prevented from being damaged by the impact.
Drawings
FIG. 1 is an isometric view of an involute guide positioning mechanism provided by the present invention;
FIG. 2 is a schematic view of the involute guide locating mechanism shown in FIG. 1 after being installed in a drying oven;
FIG. 3 is an enlarged schematic view of the pulley, guide pulley and belt of FIG. 2;
FIG. 4 is a schematic illustration of the process of the guide wheel and positioning guide mechanism;
fig. 5 is a schematic view of the drying oven and its internal revolution and rotation components.
In the drawings, the list of components represented by the various numbers is as follows:
1. a fixed rod; 2. a slide rail; 3. a telescoping mechanism; 4. involute guide plate; 5. a belt pulley; 6. a guide wheel; 7. a connecting piece; 8. a belt; 9. and a cross beam.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 5, the invention provides an involute guiding and positioning mechanism, which comprises a fixed rod 1 horizontally fixed on the inner side wall of a drying box, the cross section of the fixed rod 1 is rectangular, a sliding rail 2 is fixed on the upper surface or the lower surface of the fixed rod 1, a telescopic mechanism 3 is fixed on the front surface or the rear surface of the fixed rod 1, an involute guide plate 4 is slidably connected on the sliding rail 2, one side of the involute guide plate 4, facing a rotation component in the drying box, is an involute guiding curved surface, the rotation component comprises a belt pulley 5 and two guide wheels 6 which are arranged on the plane of one side of the belt pulley 5 and are radially symmetrical, the guide wheels 6 are arranged near the rim of the belt pulley 5, the involute guide plate 4 is connected with the telescopic end of the telescopic mechanism 3 through a connecting piece 7, the telescopic mechanism 3 can drive the involute guide plate 4 to move along the sliding rail 2, the involute guide plate 4 is driven by the telescopic mechanism 3 to advance to a positioning point, and the rotation component rotates to the positioning point along with the rotation component in the process of the rotation component in the drying box, and the rotation component stops the rotation curved surface and the rotation guiding unit stops until the rotation speed of the rotation curved surface is reduced.
It should be noted that, the involute guiding and positioning mechanism provided by the invention can be effectively applied to a mould shell drying box, and is used for decelerating the autorotation assembly in the drying box so as to stop and position the autorotation assembly finally, thereby facilitating the taking-out operation (similar to the process during feeding, the suspension operation of the mould shell below the autorotation unit is facilitated) of the mould shell suspended below the autorotation assembly after the box door is opened.
Further, the telescopic mechanism 3 is a cylinder, and two ends of the cylinder body of the cylinder are fixed on the front side surface of the fixed rod 1 through a bracket.
It should be noted that, in fig. 1, the involute guiding positioning mechanism is in a state of schematic drawing when the involute guiding plate is pushed to the positioning point by the extending mechanism. Besides the air cylinder, the telescopic mechanism can also be a common telescopic mechanism such as a hydraulic cylinder, an electric push rod and the like.
Further, the connecting piece 7 is an L-shaped plate.
Further, the involute guide plate 4 is slidably connected with the sliding rail 2 through a sliding block.
Further, a plurality of through holes are formed in the involute guide plate 4.
Further, a wear-resistant rubber sleeve is sleeved on the cylindrical surface of each guide wheel 6.
In addition, as shown in fig. 2, 4 and 5, the drying box for the shuttering comprises a box body, a drying mechanism, a revolution assembly and a rotation assembly, wherein the drying mechanism, the revolution assembly and the rotation assembly are positioned in the box body, the rotation assembly comprises a plurality of rotation units, the revolution assembly comprises a first driving motor, a vertically arranged main shaft and a slewing bearing, the first driving motor is fixed at the top of the box body, the output end of the first driving motor is fixedly connected with the upper end of the main shaft, the slewing bearing is fixed at the bottom wall of the box body, the lower end of the main shaft is tightly pressed on the upper surface of an inner ring or an outer ring of the slewing bearing, a plurality of layers of beam frames are vertically fixed on the main shaft, each layer of beam frames is composed of a plurality of cross beams 9, the cross beams 9 are uniformly arranged at intervals in the circumferential direction of the main shaft, the cross beams 9 are radially arranged along the main shaft, one end far away from the main shaft is correspondingly connected with one rotation unit, the rotation unit comprises a tray body, a rotating shaft and a plurality of horizontal connecting rods, wherein the plurality of horizontal connecting rods are fixed on the tray body at uniform intervals along the circumferential direction, one end of each horizontal connecting rod, which is far away from the tray body, is used for hanging a mould shell to be dried, the lower end of the rotating shaft is fixedly connected with the center of the upper surface of the tray body, the upper end of the rotating shaft passes through a through hole formed at one end of the cross beam 9 and is fixedly connected with the center of the belt pulley 5, the plurality of belt pulleys 5 are in transmission connection with the same belt 8, the belt is in transmission connection with the side wall of the box body or the output end of a second driving motor fixedly connected with the side wall of the box body, the drying mechanism comprises a plurality of drying units fixed on the inner wall of the box body or/and the revolution assembly, the drying units comprise a heat radiation air supply assembly, the box body is provided with a door body which can be opened and closed.
When the involute guiding and positioning mechanism is pushed to a positioning point (namely, the position of the corresponding cross beam when the cross beam is perpendicular to a door opening of the drying box), the revolution unit rotates, when the corresponding cross beam is gradually close to the positioning point, the guide wheel (the first contact may be that of the guide wheel on one side) on the upper side of the belt pulley of the rotation unit on the cross beam end contacts the involute guiding curved surface of the involute guiding plate when rotating along with the belt pulley, and finally, the two guide wheels are contacted with the involute guiding curved surface and are pressed and positioned, the rotation unit gradually decelerates in the process, the rotation can be completely stopped when reaching the positioning point or before reaching the positioning point, and the impact force is small.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides an involute guide positioning mechanism, its characterized in that, including horizontal fixation in dead lever (1) that cross section is the rectangle on the drying cabinet inside wall, dead lever (1) upper surface or lower surface mounting have slide rail (2), the front side surface or the rear side surface mounting of dead lever (1) have telescopic machanism (3), sliding connection has involute deflector (4) on slide rail (2), involute deflector (4) orientation one side of rotating the subassembly in the drying cabinet is involute guide curved surface, rotating the subassembly and including belt pulley (5) and install two leading wheels (6) of radial symmetry on the plane of belt pulley (5), leading wheel (6) are close to the setting of belt pulley (5), involute deflector (4) pass through connecting piece (7) with telescopic end connection of telescopic machanism (3) just telescopic machanism (3) can drive involute deflector (4) are followed slide rail (2) removes, involute deflector (4) drive one side of rotating the subassembly is involute guide curved surface in the drying cabinet, rotating the locating point (6) are followed to rotate the locating point and are rotated down in the rotation of the rotation subassembly and stop in the rotation curved surface.
2. The involute guide positioning mechanism according to claim 1, characterized in that the telescopic mechanism (3) is a cylinder, and two ends of the cylinder body of the cylinder are fixed on the front side surface of the fixed rod (1) through brackets.
3. An involute guide positioning mechanism according to claim 2, characterized in that the connecting piece (7) is an L-shaped plate.
4. An involute guide positioning mechanism according to claim 1, characterized in that the involute guide plate (4) is slidably connected with the sliding rail (2) through a sliding block.
5. An involute guide positioning mechanism according to any one of claims 1-4, characterized in that the involute guide plate (4) is provided with a plurality of through holes.
6. An involute guide positioning mechanism according to claim 5, characterized in that each guide wheel (6) is provided with a wear-resistant rubber sleeve in a sleeved manner on the cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619708.XA CN109708450B (en) | 2018-12-28 | 2018-12-28 | Involute guiding and positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619708.XA CN109708450B (en) | 2018-12-28 | 2018-12-28 | Involute guiding and positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109708450A CN109708450A (en) | 2019-05-03 |
| CN109708450B true CN109708450B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619708.XA Active CN109708450B (en) | 2018-12-28 | 2018-12-28 | Involute guiding and positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109708450B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288773B (en) * | 2020-03-04 | 2022-04-22 | 浙江智城医疗器械有限公司 | Vacuum drying oven |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557857A (en) * | 1992-09-17 | 1996-09-24 | E. I. Du Pont De Nemours And Company | Apparatus for the aftertreatment of photopolymerizable printing plates |
| CN103879203A (en) * | 2014-04-04 | 2014-06-25 | 湖南大学 | Multifunctional ellipsograph |
| CN107695301A (en) * | 2017-11-10 | 2018-02-16 | 安徽理工大学 | Shell, sand casting mold and its component rotary type drying device |
| CN207662105U (en) * | 2017-12-27 | 2018-07-27 | 哈尔滨三联药业股份有限公司 | A kind of microwave hot air filter core drying box |
| CN207688544U (en) * | 2017-12-14 | 2018-08-03 | 东北农业大学 | It is a kind of to revolve round the sun and rotation combined type plant dryer |
| CN108855426A (en) * | 2017-05-11 | 2018-11-23 | 刘志红 | A kind of adjustable planetary ball mill of rotational velocity |
| CN108855820A (en) * | 2018-08-15 | 2018-11-23 | 武汉中精金属制品有限公司 | A kind of formwork drying case with rotation and revolution function |
| CN109047674A (en) * | 2018-08-15 | 2018-12-21 | 武汉中精金属制品有限公司 | A kind of formwork drying with can rotation and revolution hanging mechanisms |
| CN209744923U (en) * | 2018-12-28 | 2019-12-06 | 武汉中精金属制品有限公司 | Involute guide positioning mechanism |
-
2018
- 2018-12-28 CN CN201811619708.XA patent/CN109708450B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5557857A (en) * | 1992-09-17 | 1996-09-24 | E. I. Du Pont De Nemours And Company | Apparatus for the aftertreatment of photopolymerizable printing plates |
| CN103879203A (en) * | 2014-04-04 | 2014-06-25 | 湖南大学 | Multifunctional ellipsograph |
| CN108855426A (en) * | 2017-05-11 | 2018-11-23 | 刘志红 | A kind of adjustable planetary ball mill of rotational velocity |
| CN107695301A (en) * | 2017-11-10 | 2018-02-16 | 安徽理工大学 | Shell, sand casting mold and its component rotary type drying device |
| CN207688544U (en) * | 2017-12-14 | 2018-08-03 | 东北农业大学 | It is a kind of to revolve round the sun and rotation combined type plant dryer |
| CN207662105U (en) * | 2017-12-27 | 2018-07-27 | 哈尔滨三联药业股份有限公司 | A kind of microwave hot air filter core drying box |
| CN108855820A (en) * | 2018-08-15 | 2018-11-23 | 武汉中精金属制品有限公司 | A kind of formwork drying case with rotation and revolution function |
| CN109047674A (en) * | 2018-08-15 | 2018-12-21 | 武汉中精金属制品有限公司 | A kind of formwork drying with can rotation and revolution hanging mechanisms |
| CN209744923U (en) * | 2018-12-28 | 2019-12-06 | 武汉中精金属制品有限公司 | Involute guide positioning mechanism |
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| CN109708450A (en) | 2019-05-03 |
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