CN117124487A - Positioning and processing device for die assembly of sand core die of fiber winding shell - Google Patents
Positioning and processing device for die assembly of sand core die of fiber winding shell Download PDFInfo
- Publication number
- CN117124487A CN117124487A CN202311310142.3A CN202311310142A CN117124487A CN 117124487 A CN117124487 A CN 117124487A CN 202311310142 A CN202311310142 A CN 202311310142A CN 117124487 A CN117124487 A CN 117124487A
- Authority
- CN
- China
- Prior art keywords
- rack
- sand core
- rotary ring
- die
- outer gear
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 21
- 239000000835 fiber Substances 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000005498 polishing Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 56
- 239000011257 shell material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
Abstract
The invention discloses a positioning processing device for die assembly of a fiber winding shell sand core die, which comprises a base, a sliding rail, a processing mechanism and a fixing mechanism, wherein the processing mechanism comprises a sliding seat, a first frame, a rotary ring, an inner gear, an outer gear shaft and an outer gear, a plurality of rack tracks are arranged on the first frame along the circumferential direction of the rotary ring, the extension lines of the rack tracks are intersected with the circle center of the rotary ring, racks are arranged on the rack tracks, and a cutting plate is arranged on the racks; the fixing mechanism comprises a mounting seat, a sand core baffle, a fourth rack, a third rack, a three-jaw chuck, a mandrel and a sand core die; according to the invention, the problem that the end face perpendicular to the axis is uneven when the sand core mould is clamped, and the flatness is difficult to ensure by manual polishing is solved, so that gaps appear at the contact positions of the end faces after the front and rear sections of sand core moulds are clamped, errors are brought to the sizes of the core moulds, and the problem that a heat insulation layer is possibly recessed when the heat insulation layer is stuck after the clamping is finished is solved, and the overall winding quality is further influenced.
Description
Technical Field
The invention relates to the technical field of sand core mould processing, in particular to a positioning processing device for mould closing of a sand core mould of a fiber winding shell.
Background
The solid rocket motor shell material adopts high-performance fiber composite materials at present, and the preparation process mainly adopts fiber winding technology. In the process of winding small-opening shell fibers, a sand core mold is widely adopted as a winding mold. The soluble sand core mould has the advantages of simple structure, low tooling cost and simple manufacturing process, and the sand core mould can be dissolved only by flushing the sand core mould with water during demoulding, so that a perfect shell is obtained. Polyvinyl alcohol solution and quartz sand are widely used as raw materials for manufacturing water-soluble sand core moulds at home and abroad. When the sand core mould is taken out from the preparation device, the quartz sand on the end face of the sand core mould is difficult to avoid falling off of a small part, so that the flatness of the end face of the sand core mould is low, and the overall axial dimensional accuracy of the sand core mould is affected. The size of the sand core mould can directly influence the size of a winding product taking the sand core mould as a mould, so that errors exist between the actual winding product size and the design size.
The flatness processing mode of the end face in the existing sand core mould closing process is usually that the sand core is processed by means of traditional machining equipment, and the mould closing is that the processed sand core mould is taken out and sleeved on a mandrel. This method results in increased process steps for winding the shell and prolonged production cycle.
In order to solve the problems, the invention provides a positioning processing device for clamping a fiber winding shell sand core mould, which solves the problems of low processing precision and long processing period of the conventional sand core mould processing device.
Disclosure of Invention
The invention aims to provide a positioning and processing device for die assembly of a fiber winding shell sand core die, so as to achieve the aim of improving the processing efficiency and the processing quality of the sand core die.
In order to achieve the above object, the present invention provides the following solutions:
the positioning processing device comprises a base, a sliding rail arranged on the base, a processing mechanism arranged on the sliding rail in a sliding manner and a fixing mechanism fixedly arranged on the sliding rail, wherein the processing mechanism comprises a sliding seat arranged on the sliding rail, a first rack arranged on the sliding seat, a rotary ring embedded in the first rack and capable of rotating, an inner gear arranged on an inner ring of the rotary ring, an outer gear shaft fixedly connected with the first rack and an outer gear arranged on the outer gear shaft, the outer gear is meshed with the inner gear and connected with the outer gear shaft, a plurality of rack tracks are arranged on the first rack along the circumferential direction of the rotary ring, extension lines of the rack tracks intersect with the circle center of the rotary ring, racks are arranged on the rack tracks and are meshed with the outer gear and connected with the outer gear, and cutting plates are arranged on the racks; the fixing mechanism comprises a mounting seat fixedly arranged on the sliding rail, a sand core baffle arranged on the mounting seat, a fourth rack arranged on the sliding rail and far away from the first rack, a third rack arranged on the fourth rack, a three-jaw chuck arranged on the third rack, a mandrel arranged on the three-jaw chuck and a sand core mould arranged on the mandrel.
Preferably, a second frame is arranged on the first frame, the second frame is annular, the rotary ring is arranged on the second frame, and the rotary ring is driven by a driving motor.
Preferably, a handle for manually driving the rotary ring to rotate is arranged on one side, away from the sand core die, of the rotary ring.
Preferably, the included angles formed by the extension lines of the adjacent rack tracks are equal.
Preferably, the cutting plate is in a sector shape, and the arc edge of the sector is far away from the center of the inner ring of the rotary ring.
Preferably, the base is further provided with a scale, the scale is arranged along the trend of the base, and the initial scale of the scale and one side of the sand core baffle, which is close to the first frame, are arranged.
Compared with the prior art, the invention has the following technical effects:
1. according to the invention, the problem that the end face perpendicular to the axis is uneven when the sand core mould is clamped, and the flatness is difficult to ensure by manual polishing is solved, so that gaps appear at the contact positions of the end faces after the front and rear sections of sand core moulds are clamped, errors are brought to the sizes of the core moulds, and the problem that a heat insulation layer is possibly recessed when the heat insulation layer is stuck after the clamping is finished is solved, and the overall winding quality is further influenced.
2. According to the invention, the sliding seat can move back and forth according to the axial size of the required sand core mould, and the three-jaw chuck can clamp mandrels with different sizes.
3. The processing and die assembly procedures of the sand core die can be carried out on the same equipment, so that the production period is shortened.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings that are necessary for the embodiments will be briefly described below, it being evident that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another angle of the present invention;
FIG. 3 is a schematic diagram of the related structure of the first frame of the present invention;
FIG. 4 is a schematic view of the structure of the rack and rack track of the present invention;
1, a first rack; 2. a rotary ring; 3. an internal gear; 4. an external gear; 5. a rack rail; 6. a rack; 7. cutting the plate; 8. a sliding seat; 9. a slide rail; 10. rib plates; 11. an outer gear shaft; 12. a second frame; 13. a handle; 14. a three-jaw chuck; 15. a third frame; 16. a sand core mould; 17. a sand core baffle; 18. a mandrel; 19. a fourth frame; 20. a scale; 21. a base; 22. and driving the motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a positioning and processing device for die assembly of a fiber winding shell sand core die, so as to achieve the aim of improving the processing efficiency and the processing quality of the sand core die.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 4, a positioning processing device for die assembly of a fiber wound shell sand core comprises a base, a sliding rail arranged on the base, a processing mechanism arranged on the sliding rail in a sliding manner and a fixing mechanism fixedly arranged on the sliding rail, wherein the processing mechanism comprises a sliding seat arranged on the sliding rail, a first rack arranged on the sliding seat, a rotary ring which is embedded into the first rack and can rotate, an inner gear arranged on an inner ring of the rotary ring, an outer gear shaft arranged on the inner ring of the rotary ring and fixedly connected with the first rack, and an outer gear arranged on the outer gear shaft, the outer gear is in meshed connection with the inner gear shaft, the outer gear is in key connection with the outer gear shaft, a plurality of rack tracks are arranged on the first rack along the circumferential direction of the rotary ring, the extension lines of the rack tracks intersect with the circle center of the rotary ring, racks are arranged on the rack tracks and are in meshed connection with the outer gear, and cutting plates are arranged on the racks; the fixing mechanism comprises a mounting seat fixedly arranged on the sliding rail, a sand core baffle arranged on the mounting seat, a fourth rack arranged on the sliding rail and far away from the first rack, a third rack arranged on the fourth rack, a three-jaw chuck arranged on the third rack, a mandrel arranged on the three-jaw chuck and a sand core mould arranged on the mandrel; according to the invention, the problem that the end face perpendicular to the axis is uneven when the sand core mould is clamped, and the flatness is difficult to ensure by manual polishing is solved, so that gaps appear at the contact positions of the end faces after the front and rear sections of sand core moulds are clamped, errors are brought to the sizes of the core moulds, and the problem that a heat insulation layer is possibly recessed when the heat insulation layer is stuck after the clamping is finished is solved, and the overall winding quality is further influenced.
Referring to fig. 2, a second frame is provided on the first frame, the second frame is in a ring shape, a rotary ring is provided on the second frame, and the rotary ring is driven by a driving motor.
Referring to fig. 2, a handle for manually driving the rotary ring to rotate is arranged on one side of the rotary ring away from the sand core die.
Further, the included angles formed by the extension lines of the adjacent rack tracks are equal;
referring to fig. 3, the cutting plate is in a sector shape, and the arc edge of the sector is far away from the center of the inner ring of the rotary ring.
Referring to fig. 2, there is a scale on the base, the scale is arranged along the direction of the base, and the initial scale of the scale and the sand core baffle are close to one side of the first frame.
Further, when the rack slides, the cutting plate is driven to slide together, so that the aim of cutting the sand core mould is fulfilled.
Referring to fig. 1, a sliding base is fixed with a first frame through a rib plate, the sliding base can slide on a sliding rail, the sliding base drives the first frame and a device on the first frame to move to the relevant position of a scale according to the axial size of a required sand core, a sand core baffle is fixed on the sliding rail and corresponds to the scale of 0mm of the scale, and the end face of the sand core is attached to the sand core baffle during sand core processing so as to determine the axial distance of the other end face of the sand core; the three-jaw chuck is axially fixed on the third frame and clamps the mandrel, and when the cutting plate is close to the mandrel, the three-jaw chuck can be rotated to drive the sand core die to rotate so as to cut off the residual sand core on the end face; when the end face of the sand core mould is processed smoothly, the sand core mould can be taken out from the mandrel, the other half of the sand core mould is installed, and after the two sections of sand core moulds are processed, the two sections of sand core moulds can be sleeved on the mandrel at the same time for mould closing and subsequent work.
The adaptation to the actual need is within the scope of the invention.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The positioning and processing device for die assembly of the fiber winding shell sand core die is characterized by comprising a base, a sliding rail arranged on the base, a processing mechanism arranged on the sliding rail in a sliding manner and a fixing mechanism fixedly arranged on the sliding rail, wherein the processing mechanism comprises a sliding seat arranged on the sliding rail, a first rack arranged on the sliding seat, a rotary ring which is embedded into the first rack and can rotate, an inner gear arranged on an inner ring of the rotary ring, an outer gear shaft which is arranged on the inner ring of the rotary ring and is fixedly connected with the first rack, and an outer gear arranged on the outer gear shaft, the outer gear is in meshed connection with the inner gear, the outer gear is in key connection with the outer gear shaft, a plurality of rack tracks are arranged on the first rack along the circumferential direction of the rotary ring, an extension line of each rack track is intersected with the circle center of the rotary ring, a rack is arranged on each rack track, and is in meshed connection with the outer gear, and a cutting plate is arranged on each rack; the fixing mechanism comprises a mounting seat fixedly arranged on the sliding rail, a sand core baffle arranged on the mounting seat, a fourth rack arranged on the sliding rail and far away from the first rack, a third rack arranged on the fourth rack, a three-jaw chuck arranged on the third rack, a mandrel arranged on the three-jaw chuck and a sand core mould arranged on the mandrel.
2. The positioning and processing device for die assembly of a fiber winding shell sand core according to claim 1, wherein a second frame is arranged on the first frame, the second frame is annular, the rotary ring is arranged on the second frame, and the rotary ring is driven by a driving motor.
3. The positioning and processing device for die assembly of a fiber winding shell sand core die according to claim 2, wherein a handle for manually driving the rotary ring to rotate is arranged on one side, away from the sand core die, of the rotary ring.
4. A positioning and processing device for die assembly of a sand core die of a filament wound shell according to claim 1, wherein the angles of the included angles formed by the extension lines of adjacent rack tracks are equal.
5. The positioning and machining device for die assembly of fiber winding shell sand core according to claim 4, wherein the cutting plate is in a sector shape, and the arc-shaped side of the sector is far away from the center of the inner ring of the rotary ring.
6. A positioning and machining device for assembling a sand core mould of a fiber winding shell according to claim 1, wherein a scale is arranged on the base, the scale is arranged along the trend of the sand core baffle, and the initial scale of the scale and the mounting seat are close to one side of the first frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311310142.3A CN117124487A (en) | 2023-10-10 | 2023-10-10 | Positioning and processing device for die assembly of sand core die of fiber winding shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311310142.3A CN117124487A (en) | 2023-10-10 | 2023-10-10 | Positioning and processing device for die assembly of sand core die of fiber winding shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117124487A true CN117124487A (en) | 2023-11-28 |
Family
ID=88856608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311310142.3A Pending CN117124487A (en) | 2023-10-10 | 2023-10-10 | Positioning and processing device for die assembly of sand core die of fiber winding shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117124487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381220A (en) * | 2023-12-11 | 2024-01-12 | 山东华运农机设备有限公司 | Cutter shaft welding device of straw chopping and throwing returning machine |
-
2023
- 2023-10-10 CN CN202311310142.3A patent/CN117124487A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381220A (en) * | 2023-12-11 | 2024-01-12 | 山东华运农机设备有限公司 | Cutter shaft welding device of straw chopping and throwing returning machine |
| CN117381220B (en) * | 2023-12-11 | 2024-02-06 | 山东华运农机设备有限公司 | Cutter shaft welding device of straw chopping and throwing returning machine |
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