CN117884527A - Inner cylinder integrated spinning processing technology of water-cooling heat shield of single crystal furnace - Google Patents
Inner cylinder integrated spinning processing technology of water-cooling heat shield of single crystal furnace Download PDFInfo
- Publication number
- CN117884527A CN117884527A CN202410197362.8A CN202410197362A CN117884527A CN 117884527 A CN117884527 A CN 117884527A CN 202410197362 A CN202410197362 A CN 202410197362A CN 117884527 A CN117884527 A CN 117884527A
- Authority
- CN
- China
- Prior art keywords
- die
- plate blank
- circular plate
- bending
- heat shield
- 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
- 238000009987 spinning Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title claims abstract description 21
- 239000013078 crystal Substances 0.000 title claims abstract description 12
- 238000005516 engineering process Methods 0.000 title claims abstract description 8
- 238000005452 bending Methods 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000007514 turning Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses an integral spinning processing technology of an inner cylinder of a water-cooling heat shield of a single crystal furnace, which comprises the steps of clamping and locking a frustum die and a cylindrical die on a main shaft, clamping a circular plate blank with holes between a left combined die and a right pressing die, then starting spinning equipment, uniformly heating the circular plate blank by using a spray gun, extruding and folding the circular plate blank layer by layer, tightly attaching the circular plate blank on the surface of the combined die, finishing taper processing, stopping, taking down the cylindrical die, replacing the pressing die with a bending die, rotating the main shaft, removing a folding burr between the original cylindrical die and the pressing die by using a turning tool, heating the circular plate blank, extruding the right end of the blank by using the bending die, bending the end face of the circular plate blank along the bending die, and processing the finished product to wait for cooling.
Description
Technical Field
The invention relates to the technical field of water-cooling heat shields, in particular to an inner cylinder integrated spinning processing technology of a single crystal furnace water-cooling heat shield.
Background
For the water-cooled heat shield part, a gap for water circulation exists between the inner cylinder and the outer cylinder, and a water channel rising layer by layer is arranged in the gap. The inner cylinder and the outer cylinder are respectively manufactured and processed, the bottoms are not connected and sealed, a connecting disc-shaped flange is manufactured in the bottom sealing scheme of the current mainstream, the connecting flange is a revolving body, the flange is generally processed by a turning machine or a milling machine, the inner cylinder and the outer cylinder are respectively welded at the corresponding positions of the flange in a welding mode after the manufacturing is finished, and the production process is complex in procedure, serious in waste of raw materials and low in production efficiency.
Disclosure of Invention
The invention aims to provide an inner cylinder integrated spinning processing technology of a water-cooling heat shield of a single crystal furnace, compared with the existing inner cylinder formed by rolling and welding, the inner cylinder of the water-cooling heat shield formed by spinning in an integrated mode has the advantages that the production efficiency is greatly improved, the production cost is reduced, the rolling and welding procedures are omitted, the quality of welding seams is not required to be monitored, a connecting flange is not required to be processed, and the waste of materials is avoided.
The invention provides the following technical scheme: the utility model provides an inner tube integral type spinning processing technology of single crystal growing furnace water-cooling heat shield, includes assembling die, roof pressing mould and bending die, the assembling die includes frustum mould and cylinder mould, and the cylinder mould is connected at the tip of frustum mould, includes following step:
step one: locking a cylindrical die on a frustum die to form a combined die, and clamping the combined die on a main shaft;
Step two: clamping the circular plate blank with the hole between a left combined die and a right jacking die;
Step three: starting spinning equipment, uniformly heating the circular plate blank to 500 ℃ by using a spray gun, extruding and turning the circular plate blank layer by layer along the direction of a combined die, and tightly attaching the blank to the surface of the combined die to finish taper machining;
Step four: stopping, taking down the cylindrical die, and replacing the pressing die with a bending die;
step five: the main shaft rotates, and the turning burrs between the original cylindrical die and the pressing die are removed through a turning tool;
Step six: and heating the conical circular plate blank to 500 ℃, extruding the right end of the conical circular plate blank by using a bending die, bending and forming the end face of the conical circular plate blank along the bending die, and finishing the processing and waiting for cooling the product.
In the third step, the main shaft rotates at 200 rpm, the circular plate blank is uniformly heated by using a flame spray gun at the moment, after the temperature reaches 500 ℃, the speed of the main shaft is increased to 500 rpm, and the operating roller is close to the blank.
In the third step, extrusion is carried out layer by layer according to the angle of the round plate blank, the blank is deformed under the application of roller force, the outer side edge of the blank is folded, extrusion is carried out inwards layer by layer, reciprocating operation is carried out until the whole surface is close to the surface of the combined die, and then integral extrusion is carried out from right to left, so that the taper processing of the product is completed.
In order to reduce the rebound amount of extrusion molding and improve the dimensional accuracy, in the step six, the bending die extrudes the end surface of the conical circular plate blank for a plurality of times, so that the rebound of the product is gradually reduced, and the dimensional error of the cooled product is reduced.
The bending die structure is as follows, the bending die includes the platform, the shaping has the boss on the platform, the shaping fillet has been seted up on the bottom circumference of boss, the shaping has the chamfer on the edge circumference of platform, the chamfer is tangent with the shaping fillet, chamfer and shaping fillet constitute the shaping region of spinning flange.
Compared with the prior art, the invention has the following beneficial effects:
(1) Compared with the existing inner cylinder formed by rolling and welding, the inner cylinder of the water-cooling heat shield formed integrally by spinning has the advantages that the production efficiency is greatly improved, the production cost is reduced, rolling and welding are omitted, the quality of welding seams is not required to be monitored, a connecting flange is not required to be machined, and the consumption of materials is saved;
(2) The cylindrical die is connected to the side face of the frustum die, so that a straight cylindrical shell is formed at the end part of a semi-finished product, the straight cylindrical shell is processed by the turning tool, the length of the straight cylindrical shell is controlled, the distance between the formed folded edge and the frustum is adjusted, and inner cylinders with different length specifications can be produced;
(3) The method has the advantages that the circular plate blank is uniformly heated during spinning, the plasticity of the circular plate blank is improved, the phenomenon of metal fold tearing in the spinning process is avoided, meanwhile, the metal can be heated for hot working, and the strength of the molded circular plate blank is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the inner cylinder structure of the water-cooled heat shield of the present invention;
FIG. 2 is a schematic diagram of a clamping structure of a circular plate blank of the invention;
FIG. 3 is a schematic view of the taper forming of the round plate blank of the present invention;
FIG. 4 is a schematic view of the invention for removing the turnup burr of the round plate blank;
FIG. 5 is an end extrusion view of a cone-shaped circular plate blank of the present invention;
FIG. 6 is a block diagram of a bending die of the present invention;
FIG. 7 is a shape of a circular plate blank of the present invention;
In the figure: 1. a circular plate blank; 2. assembling a die; 21. a frustum die; 22. a cylindrical mold; 3. pressing a top die; 4. bending a die; 41. a pressing table; 42. a boss; 43. forming round corners; 44. chamfering; 5. turning tools; 6. and a roller.
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.
Examples
Referring to fig. 1 to 5, the present invention provides the following technical solutions: the utility model provides a single crystal growing furnace water-cooling heat shield's inner tube integral type spinning processing technology, includes assembling die 2, roof pressing mould 3 and bending die 4, and assembling die 2 includes frustum mould 21 and cylinder mould 22, and cylinder mould 22 connects the tip at frustum mould 21, includes the following step:
step one: the frustum die 21 and the cylindrical die 22 are locked through bolts to form a combined die 2 and clamped on a main shaft;
as shown in fig. 2 and 7, step two: clamping a circular plate blank 1 with holes between a combined die 2 on the left side and a pressing die 3 on the right side, wherein the diameter of the holes on the circular plate blank 1 is smaller than that of the pressing die 3, so that the circular plate blank 1 can be clamped and fixed between the combined die 2 and the pressing die 3, the holes on the circular plate blank 1 are arranged at the center of a circle, the diameters of the circular plate blanks are different according to different choices of products, and for similar parts of a water-cooling heat shield, the diameters of the circular plate blanks can be larger than the total height of a water-cooling heat shield finished product by 200 mm;
As shown in fig. 3, step three: starting spinning equipment, uniformly heating the circular plate blank 1 to 500 ℃ by using a spray gun, extruding and folding the circular plate blank 1 layer by layer along the direction of the combined die 2, tightly attaching the circular plate blank 1 to the surface of the combined die 2, applying pressure to the circular plate blank 1 to deform the circular plate blank, extruding and attaching the circular plate blank 1 layer by layer to the combined die 2 inwards to finish taper processing, and simultaneously attaching the circular plate blank 1 to the combined die 2 under the action of high temperature to finish taper processing, wherein at the moment, the product is in a semi-finished product state, can be produced in a batch production line, and the production efficiency is improved;
step four: stopping, taking down the cylindrical die 22, replacing the pressing die 3 with the bending die 4, and loading the semi-finished product subjected to taper processing back onto the frustum die 21 in an original mode;
As shown in fig. 4, step five: the spindle rotates, the turning burrs between the original cylindrical die 22 and the pressing die 3 are removed through the turning tool 5, a straight cylindrical shell is formed on the cylindrical die 22, the length of the straight cylindrical shell can be controlled through the turning tool, and therefore the distance between the folded edge formed by the bending die 4 and the frustum die 21 is adjusted, and parts with different lengths can be formed conveniently;
As shown in fig. 5, step six: the conical circular plate blank 1 is heated to 500 ℃, the circular plate blank 1 is softened, the forming efficiency and the forming precision are improved, the right end of the conical circular plate blank 1 is extruded by a bending die 4, the end face of the conical circular plate blank 1 is bent and formed along the bending die 4, and the processing is finished and the product is cooled.
In the third step, the spindle is rotated at 200 rpm, and the disc blank 1 is uniformly heated by using a flame gun at this time, after the temperature reaches 500 ℃, the spindle speed is increased to 500 rpm, the roller 6 is operated to approach the disc blank 1, and the plasticity of the disc blank 1 is increased by high temperature, so that the disc blank 1 is tightly attached to the frustum mold 21.
In the third step, the circular plate blank 1 is extruded layer by layer according to the angle of the combined die 2, the circular plate blank 1 is deformed under the application of the force of the roller 6, the outer side edge of the circular plate blank 1 is folded, extruded inwards layer by layer, and reciprocated until the whole surface is close to the surface of the combined die 2, and then extruded integrally from right to left, so that the outer surface is formed smoothly, and the taper processing of the product is completed.
As shown in fig. 6, in step six, the conical circular plate blank 1 is bent along the corner of the bending die 4, the bending die 4 comprises a pressing table 41, a boss 42 is formed on the pressing table 41, an annular groove is formed on the circumference of the boss 42, a forming round corner 43 is formed on the bottom circumference of the boss 42, a chamfer 44 is formed on the edge circumference of the pressing table 41, the chamfer 44 is tangent to the forming round corner 43, the chamfer 44 and the forming round corner 43 form a forming area of the spinning flange, the end of the conical circular plate blank 1 is extruded by the chamfer 44 and the forming round corner 43, the end is bent into a flange shape, after the processing is completed, the bending die 4 retreats, rebound exists at the end of the circular plate blank 1, the bending die 4 extrudes the end face of the circular plate blank 1 for a plurality of times, the rebound of products is gradually reduced, the dimensional error of the cooled products is reduced, the wall thickness of the products is controlled to be +/-0.5 mm of the design size, the dimension in the length direction is controlled by turning, and the original inner cylinder and flange are replaced.
The existing water-cooling heat shield component is characterized in that an inner cylinder is welded on a connecting flange, the flange is formed by turning a lathe, the utilization rate of raw materials is low, the inner cylinder is formed by rolling a plate, the plate is fan-shaped, the expansion angle, the expansion radius and the like of the fan-shaped are required to be calculated in advance, after cutting is completed, fan-shaped materials are fixed on hydraulic equipment to be rolled, a welder welds a joint after powerful rolling, the joint after connection is subjected to X-ray flaw detection, meanwhile, the strength of the joint and the deformation of the materials are also required to be considered, the inner cylinder is subjected to heat treatment, and the production process has the advantages of low raw material utilization rate, high production cost, low efficiency and general comprehensive economy.
According to the technical scheme, the inner cylinder and the flange can be manufactured and formed simultaneously by integrally hot spinning, round plates with the same specification are purchased in batches, the plates are formed by hot spinning, large pressure can be applied to the plates during processing, the plates are formed by matching a special combined die designed in advance and a single-side bending die, when the equipment main shaft drives the circular plate blank to rotate at a high speed, the products are properly heated and heated, rollers on the frame are used for approaching and extruding the surface of the circular plate blank, the circular plate blank is formed along the combined die on one side, the circular plate blank can be pressed into a cone, the other side of the cone is extruded and curled after the circular plate blank is finished, the preset shape can be achieved, the edges of the circular plate blank are processed and trimmed, and the water-cooling and heat-shield integrated inner cylinder can be processed and completed, so that original parts can be directly replaced.
The finished product can be processed for a long time only by manufacturing a set of dies in an initial stage, and when a large amount of raw materials are purchased, the round plate with holes can be conveniently ordered in batches, so that the leftover material loss after the raw materials in the original scheme are cut into a fan shape is saved; the method has the advantages that the method is beneficial to one-step forming, the process is rapid, 5-8 working hours are needed in the whole single process of the workshop working procedure in the past, the process can be rapidly compressed to within 2-3 hours through the method, process control points in the whole process are simplified, products can be directly processed in place under the condition of accurate die size, manpower and material resources are reduced, the product cost is effectively reduced, and meanwhile, deformation strengthening exists in the hot spinning process, and the strength is improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a single crystal growing furnace water-cooling heat shield's inner tube integral type spinning processing technology, includes assembling die, roof pressing mould and bending die, the assembling die includes frustum mould and cylinder mould, and the tip at frustum mould is connected to cylinder mould, its characterized in that: the method comprises the following steps:
step one: locking a cylindrical die on a frustum die to form a combined die, and clamping the combined die on a main shaft;
Step two: clamping the circular plate blank with the hole between a left combined die and a right jacking die;
Step three: starting spinning equipment, uniformly heating the circular plate blank to 500 ℃ by using a spray gun, extruding and turning the circular plate blank layer by layer along the direction of a combined die, and tightly attaching the circular plate blank to the surface of the combined die to finish taper machining;
Step four: stopping, taking down the cylindrical die, and replacing the pressing die with a bending die;
step five: the main shaft rotates, and the turning burrs between the original cylindrical die and the pressing die are removed through a turning tool;
Step six: and heating the conical circular plate blank to 500 ℃, extruding the right end of the conical circular plate blank by using a bending die, bending and forming the end face of the conical circular plate blank along the bending die, and finishing the processing and waiting for cooling the product.
2. The inner cylinder integrated spinning process of the water-cooling heat shield of the single crystal furnace according to claim 1, wherein the process is characterized in that: in the third step, the spindle rotates at 200 rpm, at this time, the flame spray gun is used to uniformly heat the round plate blank, after reaching 500 ℃, the spindle speed is increased to 500rpm, and the operating roller is close to the round plate blank.
3. The inner cylinder integrated spinning process of the water-cooling heat shield of the single crystal furnace according to claim 1, wherein the process is characterized in that: in the third step, extrusion is carried out layer by layer along the direction of the combined die according to the angle of the circular plate blank, the circular plate blank is deformed under the application of roller force, the outer side edge of the circular plate blank is folded, extrusion is carried out inwards layer by layer, reciprocating operation is carried out until the whole surface is close to the surface of the combined die, and then integral extrusion is carried out from right to left, so that taper processing of a product is completed.
4. The inner cylinder integrated spinning process of the water-cooling heat shield of the single crystal furnace according to claim 1, wherein the process is characterized in that: in the sixth step, the bending die extrudes the end face of the conical circular plate blank for multiple times, rebound of the product is gradually reduced, and dimensional errors of the cooled product are reduced.
5. The inner cylinder integrated spinning process of the water-cooling heat shield of the single crystal furnace according to claim 1, wherein the process is characterized in that: the bending die comprises a pressing table, a boss is formed on the pressing table, a forming round corner is formed on the circumference of the bottom of the boss, a chamfer is formed on the circumference of the edge of the pressing table, the chamfer is tangent with the forming round corner, and the chamfer and the forming round corner form a forming area of the spinning flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410197362.8A CN117884527A (en) | 2024-02-22 | 2024-02-22 | Inner cylinder integrated spinning processing technology of water-cooling heat shield of single crystal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410197362.8A CN117884527A (en) | 2024-02-22 | 2024-02-22 | Inner cylinder integrated spinning processing technology of water-cooling heat shield of single crystal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117884527A true CN117884527A (en) | 2024-04-16 |
Family
ID=90639645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410197362.8A Pending CN117884527A (en) | 2024-02-22 | 2024-02-22 | Inner cylinder integrated spinning processing technology of water-cooling heat shield of single crystal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117884527A (en) |
-
2024
- 2024-02-22 CN CN202410197362.8A patent/CN117884527A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108580638B (en) | Spinning forming method for thin-wall aluminum alloy special-shaped component with large length-diameter ratio | |
| CN102513783B (en) | Full-automatic production method for cold-rolling ultralight wheel hub made of aluminum alloy plate | |
| CN109500188B (en) | Molybdenum crucible double-wheel offset hot-state powerful spinning forming device and method | |
| CN111346963B (en) | Machining rotary wheel with longitudinal inner ribs for thin-wall cylinder and machining method based on machining rotary wheel | |
| CN105033125A (en) | Titanium alloy equal-thickness thin-wall special-shaped annular piece rolling and expanding composite forming method | |
| WO2021189824A1 (en) | Deep-cup-shaped thin-wall part current auxiliary composite spinning forming device and method | |
| CN106271303B (en) | A kind of processing tool and method for the outer thermal insulation layer spacer flanger of the serial gas turbine exhausts of H | |
| CN109794539B (en) | Spinning forming method for secondary curve head cover | |
| CN112756460B (en) | Superconducting cavity manufacturing method | |
| US4606206A (en) | Method and apparatus for edge preparation of spinning blanks | |
| CN111889967A (en) | Flat plate winding type rim and forming process | |
| US20030145466A1 (en) | Method for manufacturing alloy wheel for automobile | |
| CN112916706B (en) | General rotation processing method for thin-wall complex workpiece | |
| CN108115364B (en) | Thick plate double-rotating-wheel heating general-rotating forming method | |
| JP2003211901A (en) | Manufacturing method of wheel for automobile | |
| CN117884527A (en) | Inner cylinder integrated spinning processing technology of water-cooling heat shield of single crystal furnace | |
| CN113894198B (en) | Multi-pass flaring spin forming process for high-temperature alloy cylindrical part | |
| CN207872902U (en) | A kind of Wheel retainer ring cold stamping die | |
| CN112170606B (en) | Spinning method of thin-wall end socket with large depth-diameter ratio | |
| CN108787770B (en) | Method for reducing magnesium alloy pipe section by section | |
| CN114160649A (en) | Single-rim rolling forming process and tool | |
| CN110216497B (en) | Machining tool and machining method for thin-wall special-shaped ring | |
| CN101642878A (en) | Processing method of printing roller machine | |
| CN217493007U (en) | Automatic circular seam welding device for filter module | |
| CN114986102B (en) | Outer guide ring and forming method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |