CN113369683B - Platinum crucible laser welding machine for preparing scintillation crystal - Google Patents
Platinum crucible laser welding machine for preparing scintillation crystal Download PDFInfo
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- CN113369683B CN113369683B CN202110626868.2A CN202110626868A CN113369683B CN 113369683 B CN113369683 B CN 113369683B CN 202110626868 A CN202110626868 A CN 202110626868A CN 113369683 B CN113369683 B CN 113369683B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention relates to the technical field of welding, and discloses a platinum crucible laser welding machine for preparing a scintillation crystal, which comprises a welding platform, wherein a moving module is arranged on the welding platform, the moving module is provided with a welding module, the welding module further comprises a clamping device, the clamping device is used for clamping a rod body, a copper bar with a plane top surface is embedded on the rod body along the radial direction, a marking line is arranged on the copper bar, a first pressing mechanism and a second pressing mechanism are arranged on the welding platform, the pressing position of the second pressing mechanism is positioned between the first pressing mechanism and the marking line, a triple pressing mechanism is arranged on the welding platform, the triple pressing mechanism is positioned on the outer side of the marking line when pressing, and the double pressing mechanism is positioned on the inner side of the marking line when pressing. Through the setting of triple mechanism that pushes down, the inner wall sticks up the limit very fewly, and welding speed is fast, and is efficient, is difficult to weld brokenly, and the yield is high, when alleviateing the labour, the platinum crucible uniformity that has welded is also very good, and platinum evaporation loss is also within ten thousandth during the welding.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a laser welding machine for a platinum crucible for preparing a scintillation crystal.
Background
The preparation of the scintillation crystal needs to use a platinum crucible, the preparation process of the crucible is to wind a platinum sheet in a mould with a set shape and roll the platinum sheet into a cuboid shape or a cylinder shape, the joint needs to be welded, the inner wall can not have obvious raised edges, the welding seam is uniform, the welding seam is sealed and does not leak, the evaporation loss of the welding platinum is within one ten thousandth, the existing platinum crucible is manually welded, because the platinum sheet is very thin and is about 0.19mm, the manually welded platinum crucible not only has easy edge raising on the inner wall, but also has slow welding speed, low efficiency, and is easier to weld and leak. Because the preparation time of the scintillation crystal is long, and the platinum crucible is perforated and leaks when the crystal is crystallized, the number of money is not small, and the experiment can not be carried out downwards.
Disclosure of Invention
The invention aims to provide a platinum crucible laser welding machine for preparing a scintillation crystal, which is used for overcoming the problems of low manual welding efficiency, easy welding breakage and leakage in the prior art.
The invention is realized by the following technical scheme.
The invention discloses a platinum crucible laser welding machine for preparing scintillation crystals, which comprises a welding platform, wherein a moving module is arranged on the welding platform, the moving module is provided with the welding module, the platinum crucible laser welding machine also comprises a clamping device, the clamping device is used for clamping a rod body, a copper bar with a plane top surface is radially embedded on the rod body, a marking line is arranged on the copper bar, a first pressing mechanism and a second pressing mechanism are arranged on the welding platform, the pressing position of the second pressing mechanism is positioned between the first pressing mechanism and the marking line, a triple pressing mechanism is arranged on the welding platform, the triple pressing mechanism is positioned on the outer side of the marking line when pressed, and the double pressing mechanism is positioned on the inner side of the marking line when pressed.
Furthermore, clamping device includes two curb plates that set up relatively, have on the curb plate and be used for placing the plane of barred body, install preceding die clamping cylinder and last die clamping cylinder on the curb plate, preceding die clamping cylinder and the flexible end of last die clamping cylinder all is connected with compresses tightly the subassembly.
Furthermore, a heavy pushing mechanism comprises a heavy pushing cylinder installed on the welding platform, and a heavy pushing plate is installed at the telescopic end of the heavy pushing cylinder.
Furthermore, a plurality of groups of the heavy pressing mechanisms are arranged along the rod body.
Further, the double-pressing mechanism comprises a double-pressing cylinder arranged on the top surface of the double-pressing plate, a double-pressing top plate is arranged at the telescopic end of the double-pressing cylinder, and a double-pressing bottom plate is arranged on the double-pressing top plate.
Furthermore, the double pressing mechanisms are arranged in a plurality of groups along the rod body.
Furthermore, welded platform's bottom surface is equipped with upset translation mechanism, be connected with swivel mount one end on the upset translation mechanism, the swivel mount other end is equipped with triple pushing down the mechanism.
Further, upset translation mechanism is including installing triple push down preceding cylinder of welded platform bottom surface, the welded platform bottom surface is installed and is pushed down the mounting bracket that the cylinder is connected with triple, be equipped with triple rotating electrical machines that push down on the mounting bracket, the swivel mount with triple rotating electrical machines pivot connection that pushes down.
Further, triple pushing down mechanism is including installing triple pushing down cylinder on the swivel mount, triple pushing down board is installed to triple pushing down cylinder's flexible end.
Further, the rod body material is aluminum. The weight of the stick body is reduced, so that the stick body is lighter and convenient to operate.
Furthermore, the copper bar is made of red copper. The light energy absorbed by the platinum is difficult to be absorbed by the red copper, and all welding seams are not easy to be stuck on the red copper, so that the blanking is convenient.
Furthermore, the welding module comprises a welding head focal length adjusting module and a laser welding head.
A clamping method comprises the following steps:
after the platinum sheet is wound on the rod body, aligning one side edge of the platinum sheet with the marking line;
a pressing mechanism presses the platinum sheet, and the pressing position is positioned at the inner side of the marking line;
pressing the other side edge of the platinum sheet against the front end face of the lower pressing plate of the first pressing mechanism;
the double pressing mechanism presses down on the other side of the platinum sheet, and the pressing position of the double pressing mechanism is positioned between the marking line and the pressing position of the first pressing mechanism;
pressing down by a triple pressing mechanism, wherein the pressing down position is positioned outside the marking line, and a gap is reserved between the triple pressing down mechanism and the double pressing down mechanism;
and after the first pressing mechanism, the second pressing mechanism and the third pressing mechanism are pressed tightly, the welding head is moved to start welding.
Further, after the platinum sheet is wound on the rod body, one side edge of the platinum sheet covers the marking line, the platinum sheet can be freely moved by slightly pressing down the platinum sheet, and after the side edge of the platinum sheet is manually aligned with the marking line, the downward pressure of the heavy pressing mechanism is increased to press the platinum sheet, so that the platinum sheet cannot move.
Further, the distance between the front end surface of the double pressing mechanism and the marking line is at least 1mm; the triple pressing mechanism is turned over from the lower side of the welding platform to press down; the triple pressing mechanism presses down at the front end face of the double pressing mechanism, and the platinum sheet is pressed to move away from the marking line.
The invention has the beneficial effects that:
through the setting of triple mechanism of pushing down, not only the inner wall sticks up the limit very fewly after the welding is accomplished, and welding speed is fast moreover, and is efficient, is difficult to weld brokenly, and the yield is high, when alleviateing the labour, the platinum crucible uniformity that has welded is also very good, and platinum evaporation loss is also within ten thousandth during the welding. Indirectly shortens the period of preparing the scintillation crystal and improves the success rate of preparing the scintillation crystal.
Through setting up the barred body into the mode that red copper was inlayed to the aluminium bar, lightened weight, make the barred body lighter, convenient operation, platinum absorptive light energy is hardly absorbed by red copper simultaneously, and all welding seams are difficult to glue on red copper, make things convenient for the unloading.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic diagram of the overall structure of a platinum crucible laser welding machine for preparing scintillation crystals according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a side view of a platinum sheet as it is being compressed;
FIG. 4 is a schematic structural view of the turnover translation mechanism;
FIG. 5 is a schematic view of a structure at a heavy hold down mechanism;
fig. 6 is an enlarged schematic view of the clamping device.
Detailed Description
The present invention is described in detail below with reference to fig. 1 to 6.
The first embodiment is as follows:
the invention discloses a platinum crucible laser welding machine for preparing scintillation crystals, which comprises a welding platform 25, wherein a moving module 14 is arranged on the welding platform 25, the moving module 14 is a linear motion module, the linear motion module is provided with a welding module, and the welding module comprises a laser welding head 10 and a focusing module 11;
the clamping device is used for clamping the rod body 17 and comprises two side plates 29 arranged on the welding platform 25, each side plate 29 comprises a high plate and a low plate, the high plate is arranged on the rear side of the low plate, a front clamping cylinder 31 is arranged on the low plate, the telescopic end of the front clamping cylinder 31 is provided with a first pressing assembly, the first pressing assembly comprises a front clamping plate 18, and a protrusion is arranged on one side, close to the rod body 17, of the front clamping plate 18; an upper clamping cylinder 35 is installed on the end face of the rear side of the high plate, a second pressing assembly is arranged at the upper end of the upper clamping cylinder 35, the second pressing assembly comprises an upper clamping plate 19 which is installed at the telescopic end of the upper clamping cylinder 35 through a bearing 33, the middle part of the upper clamping plate 19 is installed through a hinge 32, a protrusion used for pressing the rod body 17 is arranged on one side, close to the rod body 17, of the upper clamping plate 19, and the tail end of the upper clamping plate 19 is connected with the high plate through a spring 34;
the rod body 17 is placed on the upper end face of the low plate, the inner side of the rod body is abutted against the end face of the high plate, the upper clamping plate 19 rotates around the hinge 32 after the upper clamping cylinder 35 is started, the upper side of the rod body 17 is pressed through the protrusion, the front clamping cylinder 31 is started to enable the front clamping plate 18 to approach the rod body 17, and the front side of the rod body 17 is clamped;
a copper bar with a plane top surface is radially embedded on the bar body 17, marking lines are arranged on the copper bar, two ends of the bar body 17 are tetrahedrons, and the position of the middle part wound with a platinum sheet is a cylinder;
preferably, the material of the rod 17 is aluminum, so that the rod 17 is light and convenient to operate.
Preferably, the copper bar material is red copper, and the light energy that platinum absorbed is difficult to be absorbed by red copper, and all welds are difficult to stick on red copper, make things convenient for the unloading.
The welding platform 25 is provided with a heavy pressing mechanism which is arranged along the radial direction of the rod body 17 and comprises a heavy pressing cylinder 28, the telescopic end of the heavy pressing cylinder 28 is provided with a heavy pressing plate 13, one side of the bottom surface of the heavy pressing plate 13, far away from the rod body 17, is provided with a heavy pressing stress balance plate 27, and the heavy pressing plate 13 is positioned on the inner side of the marking line;
the double-pressing mechanism comprises a double-pressing cylinder 26 installed on the top surface of a double-pressing plate 13, a double-pressing top plate 12 is installed at the telescopic end of the double-pressing cylinder 26, the double-pressing top plate 12 is in an inverted L shape, a double-pressing bottom plate 21 is installed at the lower end of the double-pressing top plate 12 through a bolt, and the pressing position of the double-pressing bottom plate 21 is located between a marking line and the pressing position of the double-pressing plate 13.
The bottom surface of welding platform 25 is equipped with upset translation mechanism, and upset translation mechanism is connected with swivel mount 22 one end, and the swivel mount 22 other end is equipped with triple pushing down the mechanism.
The overturning translation mechanism comprises a triple push-down cylinder 24 arranged on the bottom surface of a welding platform 25, a mounting frame 36 connected with the triple push-down cylinder 24 is arranged on the bottom surface of the welding platform 25, a triple push-down rotating motor 23 is arranged on the mounting frame 36, and a rotating frame 22 is connected with the triple push-down rotating motor 23 in a rotating shaft mode.
The triple pressing mechanism comprises a triple pressing cylinder 36 arranged on the rotating frame, a triple pressing plate 16 is arranged at the telescopic end of the triple pressing cylinder 36, the pressing positions of the first pressing mechanism and the second pressing mechanism are positioned on one side of the marking line, and the pressing position of the triple pressing mechanism is positioned on the other side of the marking line.
The welding machine is applied to welding, so that the efficiency is greatly improved, the original welding time needs 5 minutes, and the welding can be completed in 1 minute after the welding machine is used.
Preferably, the one-fold pressing mechanism and the two-fold pressing mechanism are respectively provided with 19 groups, and the groups are closely arranged.
Preferably, each group of one-weight pressing mechanism can simultaneously press or independently start pressing;
each group of double pressing mechanisms can be pressed down simultaneously or started to be pressed down independently;
when the platinum sheet is pressed down, a double pressing mechanism or a double pressing mechanism at the two side edges of the platinum sheet can be started to press down firstly, so that the two ends of the platinum sheet are pressed down firstly, then the platinum sheet is adjusted inwards gradually, the position of the platinum sheet adjusted is pressed down gradually until the position is completely adjusted, and the platinum sheet aligning process is easier to operate.
The clamping method comprises the following steps:
after the platinum sheet is wound on the rod body, aligning one side edge of the platinum sheet with the marking line;
a pressing mechanism presses the platinum sheet, and the pressing position is positioned at the inner side of the marking line;
pressing the other side edge of the platinum sheet against the front end face of the lower pressing plate of the first pressing mechanism;
the double pressing mechanism presses down on the other side of the platinum sheet, and the pressing position of the double pressing mechanism is positioned between the marking line and the pressing position of the first pressing mechanism;
pressing down by a triple pressing mechanism, wherein the pressing down position is positioned outside the marking line, and a gap is reserved between the triple pressing mechanism and the double pressing mechanism;
and after the first pressing mechanism, the second pressing mechanism and the third pressing mechanism are pressed tightly, the welding head is moved to start welding.
Preferably, after the platinum sheet is wound on the rod body, one side edge of the platinum sheet covers the marking line, the platinum sheet can be freely moved by slightly pressing down the platinum sheet, and after the side edge of the platinum sheet is manually aligned with the marking line, the downward pressure of the heavy pressing mechanism is increased to press the platinum sheet, so that the platinum sheet cannot move.
Preferably, the distance between the front end surface of the double pressing mechanism and the marking line is at least 1mm.
Preferably, the triple hold-down mechanism is flipped up from the underside of the welding platform to hold down.
Preferably, the triple press is pressed at a position 0.5mm away from the double press front end face, and the platinum sheet is pressed and then moves 2mm away from the marking line.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (12)
1. The utility model provides a preparation of scintillation crystal is with platinum crucible laser-beam welding machine which characterized in that: including welded platform, the last removal module that is equipped with of welded platform, install the welding module on the removal module, still include clamping device, clamping device is used for pressing from both sides tight barred body, it has the top surface to be planar copper bar to inlay along radial on the barred body, be equipped with the mark groove on the copper bar, the last heavy mechanism and the dual mechanism of pushing down that is equipped with of welded platform, the dual mechanism of pushing down's of pushing down position is located a heavy mechanism of pushing down with between the mark groove, the last triple mechanism of pushing down that is equipped with of welded platform, the triple mechanism of pushing down is located when pushing down the outside of mark groove, the dual mechanism of pushing down is located when pushing down the inboard of mark groove.
2. The platinum crucible laser welding machine for preparing the scintillation crystal as claimed in claim 1, characterized in that: the clamping device comprises two opposite side plates, a plane for placing the rod body is arranged on each side plate, a front clamping cylinder and an upper clamping cylinder are mounted on each side plate, and the telescopic ends of the front clamping cylinder and the upper clamping cylinder are connected with a pressing assembly.
3. The platinum crucible laser welding machine for preparing the scintillation crystal as claimed in claim 1 or 2, characterized in that: the heavy pressing mechanism comprises a heavy pressing cylinder arranged on the welding platform, and a heavy pressing plate is arranged at the telescopic end of the heavy pressing cylinder.
4. The platinum crucible laser welding machine for preparing the scintillation crystal as claimed in claim 3, characterized in that: and a plurality of groups of the heavy pressing mechanisms are arranged along the rod body.
5. The platinum crucible laser welding machine for preparing the scintillation crystal as claimed in claim 3, characterized in that: the double-pressing mechanism comprises a double-pressing cylinder arranged on the top surface of the double-pressing plate, a double-pressing top plate is arranged at the telescopic end of the double-pressing cylinder, and a double-pressing bottom plate is arranged on the double-pressing top plate.
6. The platinum crucible laser welding machine for preparing the scintillation crystal as claimed in claim 4 or 5, characterized in that: the double pressing mechanisms are arranged in multiple groups along the rod body.
7. The platinum crucible laser welding machine for preparing the scintillation crystal as claimed in claim 6, characterized in that: the bottom surface of welding platform is equipped with upset translation mechanism, upset translation mechanism is connected with swivel mount one end, the swivel mount other end is equipped with triple pushing down mechanism.
8. The platinum crucible laser welding machine for preparing the scintillation crystal as recited in claim 7, characterized in that: upset translation mechanism is including installing triple push down preceding cylinder of welded platform bottom surface, the welded platform bottom surface is installed and is pushed down the mounting bracket that the cylinder is connected with triple, be equipped with triple rotating electrical machines that push down on the mounting bracket, the swivel mount with triple rotating electrical machines pivot connection that pushes down.
9. The platinum crucible laser welding machine for preparing the scintillation crystal as recited in claim 8, characterized in that: the triple pressing mechanism comprises a triple pressing cylinder arranged on the rotating frame, and a triple pressing plate is arranged at the telescopic end of the triple pressing cylinder.
10. A clamping method for a platinum crucible laser welding machine for preparing scintillation crystal according to any one of claims 1 to 9, characterized in that:
after the platinum sheet is wound on the rod body, aligning one side edge of the platinum sheet with the marking line;
a heavy pressing mechanism presses the platinum sheet, and the pressing position is positioned at the inner side of the marking line;
pressing the other side edge of the platinum sheet against the front end face of the lower pressing plate of the first pressing mechanism;
the double pressing mechanism presses the other side of the platinum sheet downwards, and the pressing position of the double pressing mechanism is positioned between the marking line and the pressing position of the first pressing mechanism;
pressing down by a triple pressing mechanism, wherein the pressing down position is positioned outside the marking line, and a gap is reserved between the triple pressing down mechanism and the double pressing down mechanism;
and after the first pressing mechanism, the second pressing mechanism and the third pressing mechanism are pressed tightly, the welding head is moved to start welding.
11. The clamping method of claim 10, wherein: after the platinum sheet is wound on the rod body, one side edge of the platinum sheet covers the marking line, the platinum sheet can move freely when the pressing mechanism presses downwards lightly, and after the side edge of the platinum sheet is aligned with the marking line manually, the pressing force of the pressing mechanism is increased to press the platinum sheet, so that the platinum sheet cannot move.
12. The clamping method of claim 11, wherein: the distance between the front end surface of the double pressing mechanism and the marking line is at least 1mm; the triple pressing mechanism is turned over from the lower side of the welding platform to press down; the triple pressing mechanism presses down at the front end face of the double pressing mechanism, and the platinum sheet is pressed to move away from the marking line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626868.2A CN113369683B (en) | 2021-06-04 | 2021-06-04 | Platinum crucible laser welding machine for preparing scintillation crystal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110626868.2A CN113369683B (en) | 2021-06-04 | 2021-06-04 | Platinum crucible laser welding machine for preparing scintillation crystal |
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| Publication Number | Publication Date |
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| CN113369683A CN113369683A (en) | 2021-09-10 |
| CN113369683B true CN113369683B (en) | 2023-02-03 |
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