CN113429120A - Novel horn machine with 360-degree rotary annealing oven - Google Patents
Novel horn machine with 360-degree rotary annealing oven Download PDFInfo
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- CN113429120A CN113429120A CN202110630121.4A CN202110630121A CN113429120A CN 113429120 A CN113429120 A CN 113429120A CN 202110630121 A CN202110630121 A CN 202110630121A CN 113429120 A CN113429120 A CN 113429120A
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- groove
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- 238000000137 annealing Methods 0.000 title claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 35
- 238000002844 melting Methods 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 2
- 230000004927 fusion Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/043—Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/045—Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a novel horn machine with a 360-degree rotary annealing oven, which comprises a bottom supporting block and a fixed rod, wherein second thread grooves with the same size are formed in the upper part and the lower part of the inner wall of the fixed rod, the fixed rod with the larger diameter is arranged above the outer wall of the telescopic rod, a clamping mechanism matched with the fixed rod is arranged on the outer wall of the fixed rod, a melting pipe with the smaller diameter is fixedly arranged on the inner wall of the clamping mechanism, and a forming opening matched with the melting pipe is formed in the outer wall of the melting pipe. According to the invention, through the arrangement of the vent mechanism, the fire quantity below the baking box can be well baked, so that the baking can be well baked according to different requirements, and the 360-degree rotary annealing is realized.
Description
Technical Field
The invention relates to the technical field related to electric light sources, in particular to a novel horn machine with a 360-degree rotary annealing oven.
Background
The invention of the electric light source has promoted the construction of the electric power unit, has popularized rapidly, it not merely becomes the necessity of human daily life, and in industry, agriculture, transportation and national defence and scientific research, play an important role, the horn machine has many applications in this field too, and this new horn machine is not merely suitable for LED lamp, light source illumination such as tungsten filament lamp, halogen lamp, mercury lamp, fluorescent lamp, engineering street lamp is suitable for, need to use the horn machine in producing the lamp body, have a new horn machine of 360 degrees rotary annealing ovens to this end we propose.
However, the horn machine used at present is inconvenient for rapid annealing, is inconvenient for fixing when melting the melting pipe, is inconvenient for adjusting the fixed height of the melting pipe, and is inconvenient for adjusting the size of the fire amount when melting.
Disclosure of Invention
The invention aims to provide a novel horn machine with a 360-degree rotary annealing oven, which solves the problems that the existing horn machine proposed in the background art is inconvenient to carry out rapid annealing, is inconvenient to fix when a melting pipe is melted, is inconvenient to adjust the fixed height of the melting pipe, and is inconvenient to adjust the fire quantity when the melting is carried out.
In order to achieve the purpose, the invention provides the following technical scheme: a novel horn machine with a 360-degree rotary annealing oven, which comprises a bottom supporting block and a fixed rod, blowers with the same size are fixedly arranged on both sides above the outer wall of the bottom supporting block, a vent pipe with smaller diameter is fixedly arranged on the outer wall of each blower, a ventilation opening mechanism is arranged on one side of the outer wall of the ventilation pipe, a baking box matched with the ventilation opening mechanism is arranged on the outer wall of the ventilation opening mechanism, a fire quantity adjusting mechanism is arranged below the outer wall of the baking box, a second threaded rod is arranged on the inner wall of the fire quantity adjusting mechanism, the outer surface of the second threaded rod is provided with a first threaded groove matched with the second threaded rod, the fixed rods are fixedly arranged on two sides below the inner wall of the bottom supporting block, and second thread grooves with the same size are formed in the upper part and the lower part of the inner wall of the fixing rod, and third threaded rods with smaller diameters are fixedly mounted on the inner walls of the second thread grooves.
Preferably, a movable telescopic rod is installed on the outer wall of the third threaded rod, a positioning rod with a large diameter is installed above the outer wall of the telescopic rod, a clamping mechanism matched with the positioning rod is installed on the outer wall of the positioning rod, a melting pipe with a small diameter is fixedly installed on the inner wall of the clamping mechanism, and an opening matched with the melting pipe is formed in the outer wall of the melting pipe.
Preferably, vent mechanism includes locating piece, fixed block, ventilation net, first threaded rod and screw thread spiral cover, the equal fixed mounting of locating piece is in the inner wall both sides of baking the case, the inner wall of locating piece is fixed with assorted fixed block with it, the ventilation net is installed to the inner wall of fixed block, the outer wall of fixed block is fixed with first threaded rod, assorted screw thread spiral cover is installed with it to the outer wall of first threaded rod.
Preferably, the fire quantity adjusting mechanism comprises a gas ventilator, a rotating shaft, a first clamping block, a second clamping groove and a handle rod, the gas ventilator is fixedly installed below the inner wall of the bottom supporting block, the rotating shaft matched with the gas ventilator is installed on the inner wall of the gas ventilator, the first clamping blocks with the same size are installed on the upper portion and the lower portion of the outer wall of the rotating shaft, the second clamping groove matched with the outer wall of the first clamping block is formed in the outer wall of the first clamping block, and the handle rod with the larger diameter is installed on the outer wall of the rotating shaft.
Preferably, the first thread groove is in threaded connection with the fire adjusting mechanism through the second thread rod, and the diameter of the first thread groove is larger than that of the second thread rod.
Preferably, the third threaded rod is in threaded connection with the telescopic rod through a second threaded groove, and the third threaded rod is symmetrically arranged around the central axis of the bottom supporting block.
Preferably, fixture includes first grip block, second fixture block, second grip block, third draw-in groove and fixed suction cup, first grip block fixed mounting is on the outer wall of locating lever, the outer wall welding of first grip block has on the second fixture block, the same second grip block of diameter is installed to the outer wall of second fixture block, the same third draw-in groove of size has all been seted up from top to bottom to the inner wall of second grip block, the same fixed suction cup of size has all been installed from top to bottom to the inner wall of first grip block.
Compared with the prior art, the novel horn machine with the 360-degree rotary annealing oven has the advantages that the position of the melting tube can be well fixed by arranging the clamping mechanism, the positioning rod is matched and moved to drive the telescopic rod to move on the inner wall of the fixing rod, the third threaded rod is fixed in the inner wall of the second threaded groove, the height of the melting tube on the inner wall of the baking oven can be well adjusted, the corresponding position of the melting tube can be well fused, the novel horn machine with the 360-degree rotary annealing oven can well bake the fire quantity below the baking oven by arranging the vent mechanism, the baking can be well carried out according to different requirements, the 360-degree rotary annealing is realized, and the openings on two sides of the outer wall of the baking oven can be well opened by arranging the vent mechanism, meanwhile, wind power generated by the air blower is matched to blow Buddha to the inner wall of the ventilation pipe, so that the dissolved melting pipe can be well cooled and shaped.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the fire adjustment mechanism of the present invention;
FIG. 3 is a schematic view of a clamping mechanism according to the present invention;
fig. 4 is a schematic structural view of a vent mechanism according to the present invention.
In the figure: 1. a bottom support block; 2. a blower; 3. a vent pipe; 4. a vent mechanism; 401. positioning blocks; 402. a fixed block; 403. a ventilation net; 404. a first threaded rod; 405. screwing a cover by screw threads; 5. a baking oven; 6. a fire amount adjusting mechanism; 601. a gas ventilator; 602. a rotating shaft; 603. a first clamping block; 604. a second card slot; 605. a handle bar; 7. a second threaded rod; 8. a first thread groove; 9. fixing the rod; 10. a second thread groove; 11. a third threaded rod; 12. a telescopic rod; 13. positioning a rod; 14. a clamping mechanism; 1401. a first clamping block; 1402. a second fixture block; 1403. a second clamping block; 1404. a third card slot; 1405. fixing the sucker; 15. a fusion pipe; 16. and opening an opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel horn machine that has 360 degrees rotary annealing oven, including end supporting shoe 1 and dead lever 9, the equal fixed mounting in outer wall top both sides of end supporting shoe 1 has the same air-blower 2 of size, the outer wall fixed mounting of air-blower 2 has the less ventilation pipe 3 of diameter, outer wall one side of ventilation pipe 3 is provided with vent mechanism 4, assorted toast case 5 with it is installed to vent mechanism 4's outer wall, toast the outer wall below of case 5 and be provided with fire control mechanism 6, second threaded rod 7 is installed to fire control mechanism 6's inner wall, the first thread groove 8 of assorted with it is seted up to the surface of second threaded rod 7, the equal fixed mounting of dead lever 9 is in the inner wall below both sides of end supporting shoe 1, the same second thread groove 10 of size has been seted up from top to bottom to the inner wall of dead lever 9, the less third threaded rod 11 of diameter is installed to the inner wall fixed mounting of second thread groove 10.
Furthermore, a movable telescopic rod 12 is installed on the outer wall of the third threaded rod 11, a positioning rod 13 with a large diameter is installed above the outer wall of the telescopic rod 12, a clamping mechanism 14 matched with the positioning rod 13 is installed on the outer wall of the positioning rod 13, a melting pipe 15 with a small diameter is fixedly installed on the inner wall of the clamping mechanism 14, and an opening 16 matched with the outer wall of the melting pipe 15 is formed in the outer wall of the melting pipe.
Further, vent mechanism 4 includes locating piece 401, fixed block 402, the ventilation net 403, first threaded rod 404 and screw thread spiral cover 405, the equal fixed mounting of locating piece 401 is in toasting the inner wall both sides of case 5, the inner wall of locating piece 401 is fixed with assorted fixed block 402 with it, ventilation net 403 is installed to the inner wall of fixed block 402, the outer wall of fixed block 402 is fixed with first threaded rod 404, assorted screw thread spiral cover 405 with it is installed to the outer wall of first threaded rod 404, vent mechanism 4 then can open toasting the inner wall both sides of case 5, rotatory screw thread spiral cover 405 makes it rotate at the outer wall of first threaded rod 404, fixed block 402 on the locating piece 401 can be fixed a position ventilation net 403's position simultaneously, like this can be fine open toasting the both sides opening of case 5, thereby can be fine carry out annealing operation.
Further, the fire amount adjusting mechanism 6 comprises a gas ventilator 601, a rotating shaft 602, a first fixture block 603, a second fixture block 604 and a handle 605, the gas ventilator 601 is fixedly installed below the inner wall of the bottom support block 1, the rotating shaft 602 matched with the gas ventilator 601 is installed on the inner wall of the gas ventilator 601, the first fixture blocks 603 with the same size are installed on the upper and lower parts of the outer wall of the rotating shaft 602, the second fixture blocks 604 matched with the first fixture blocks 603 are formed on the outer wall of the first fixture blocks 603, the handle 605 with a larger diameter is installed on the outer wall of the rotating shaft 602, the fire amount adjusting mechanism 6 can adjust the baked fire amount, the first fixture blocks 603 are fixed in the inner wall of the second fixture blocks 604, and the handle 605 is rotated to drive the rotating shaft 602 to rotate, therefore, the inner wall of the gas ventilator 601 can be well shielded, so that the outlet speed of gas can be adjusted conveniently, and the fire quantity can be adjusted.
Furthermore, the first thread groove 8 is in threaded connection with the fire adjusting mechanism 6 through the second thread rod 7, the diameter of the first thread groove 8 is larger than that of the second thread rod 7, and the second thread rod 7 is rotated to enable the second thread groove to rotate on the inner wall of the first thread groove 8, so that the position of the rotating shaft 602 can be well limited.
Furthermore, the third threaded rod 11 is in threaded connection with the telescopic rod 12 through the second threaded groove 10, the third threaded rod 11 is symmetrically arranged with the central axis of the bottom supporting block 1, and the third threaded rod 11 is fixed in the inner wall of the second threaded groove 10, so that the height of the melting pipe 15 fixed on the inner wall of the clamping mechanism 14 can be adjusted, and the baking height can be adjusted.
Further, the clamping mechanism 14 comprises a first clamping block 1401, a second clamping block 1402, a second clamping block 1403, a third clamping groove 1404 and a fixed suction disc 1405, the first clamping block 1401 is fixedly installed on the outer wall of the positioning rod 13, the outer wall of the first clamping block 1401 is welded on the second clamping block 1402, the outer wall of the second clamping block 1402 is provided with the second clamping block 1403 with the same diameter, the upper and lower parts of the inner wall of the second clamping block 1403 are provided with the third clamping grooves 1404 with the same size, the upper and lower parts of the inner wall of the first clamping block 1401 are provided with the fixed suction discs 1405 with the same size, the clamping mechanism 14 can well clamp the melting pipe 15, so that the melting pipe can be well placed in the inner wall provided with the opening 16 and arranged above the baking box 5, the melting pipe can be well placed in the inner wall of the baking box 5 to perform corresponding baking melting, the second clamping block 1402 on the first clamping block 1401 is fixed in the third clamping groove 1404 of the inner wall of the second clamping block 1403, this can be fine to the centre gripping of fusion pipe 15, fixed suction cup 1405 can be fine simultaneously to the fusion pipe 15 absorption.
The working principle is as follows: for the novel horn machine with the 360-degree rotary annealing oven, firstly, the device is placed at a designated position, the clamping mechanism 14 can well clamp the melting tube 15, so that the melting tube can be well placed in the inner wall provided with the opening 16 and arranged above the baking oven 5, so that the melting tube can be well placed in the inner wall of the baking oven 5 to be correspondingly baked and melted, the second clamping block 1402 on the first clamping block 1401 is fixed in the third clamping groove 1404 in the inner wall of the second clamping block 1403, so that the melting tube 15 can be well clamped, meanwhile, the melting tube 15 can be well adsorbed by the fixed suction disc 1405, the melting tube 15 is prevented from sliding off, the telescopic rod 12 on the positioning rod 13 is moved to correspondingly move on the inner wall of the fixing rod 9, and meanwhile, the third threaded rod 11 is fixed in the inner wall of the second threaded groove 10, so that the height of the melting tube 15 fixed on the inner wall of the clamping mechanism 14 can be adjusted, therefore, the baking height can be adjusted, the fire amount adjusting mechanism 6 can adjust the baking fire amount, the first clamping block 603 is fixed in the inner wall of the second clamping groove 604, the rotating handle 605 drives the rotating shaft 602 to rotate, so that the inner wall of the gas ventilator 601 can be well shielded, the outlet speed of gas can be adjusted, the fire amount can be adjusted, meanwhile, the second threaded rod 7 on the rotating shaft 602 is fixed in the inner wall of the first threaded groove 8, the second threaded rod 7 is rotated to rotate on the inner wall of the first threaded groove 8, so that the position of the rotating shaft 602 can be well limited, the ventilation opening mechanism 4 can open the two sides of the inner wall of the baking box 5, the threaded screw cover 405 is rotated to rotate on the outer wall of the first threaded rod 404, and meanwhile, the fixing block 402 on the positioning block 401 can position the ventilation net 403, like this can be fine open the both sides opening of toasting case 5 to can be fine anneal operation, open the power of 1 top both sides air-blower 2 of end supporting shoe, make wind-force blow the Buddha to the inner wall of ventilation pipe 3, blow into simultaneously in the middle of toasting two openings that 5 outer walls of case seted up, cooperate the regulation of fire volume like this, can be fine cool off the design to melting pipe 15 below after toasting, air-blower 2's model is TE-14080-K1, just accomplish the whole use that has 360 degrees novel loudspeaker machines of rotatory annealing oven like this.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a have novel horn machine of 360 degrees rotary annealing ovens, includes end supporting shoe (1) and dead lever (9), its characterized in that: the two sides above the outer wall of the bottom supporting block (1) are fixedly provided with air blowers (2) with the same size, the outer wall of each air blower (2) is fixedly provided with a ventilation pipe (3) with a smaller diameter, one side of the outer wall of each ventilation pipe (3) is provided with a ventilation opening mechanism (4), the outer wall of each ventilation opening mechanism (4) is provided with a baking box (5) matched with the ventilation opening mechanism, a fire quantity adjusting mechanism (6) is arranged below the outer wall of each baking box (5), the inner wall of each fire quantity adjusting mechanism (6) is provided with a second threaded rod (7), the outer surface of each second threaded rod (7) is provided with a first threaded groove (8) matched with the second threaded groove, the fixing rods (9) are fixedly arranged on the two sides below the inner wall of the bottom supporting block (1), and the inner walls of the fixing rods (9) are provided with second threaded grooves (10) with the same size from top to bottom, and a third threaded rod (11) with a smaller diameter is fixedly arranged on the inner wall of the second threaded groove (10).
2. The new horn machine with 360 degree rotary annealing oven according to claim 1, characterized in that: mobilizable telescopic link (12) are installed to the outer wall of third threaded rod (11), the great locating lever of diameter (13) is installed to the outer wall top of telescopic link (12), assorted fixture (14) with it is installed to the outer wall of locating lever (13), the less melting pipe of diameter (15) is installed to the inner wall fixed mounting of fixture (14), the outer wall of melting pipe (15) is seted up with it assorted and is seted up mouthful (16).
3. The new horn machine with 360 degree rotary annealing oven according to claim 1, characterized in that: vent mechanism (4) are including locating piece (401), fixed block (402), ventilation net (403), first threaded rod (404) and screw thread spiral cover (405), the equal fixed mounting in the inner wall both sides of baking oven (5) of locating piece (401), the inner wall of locating piece (401) is fixed with assorted fixed block (402) with it, ventilation net (403) are installed to the inner wall of fixed block (402), the outer wall of fixed block (402) is fixed with first threaded rod (404), assorted screw thread spiral cover (405) with it is installed to the outer wall of first threaded rod (404).
4. The new horn machine with 360 degree rotary annealing oven according to claim 1, characterized in that: the fire quantity adjusting mechanism (6) comprises a gas ventilator (601), a rotating shaft (602), a first clamping block (603), a second clamping groove (604) and a handle bar (605), wherein the gas ventilator (601) is fixedly installed below the inner wall of the bottom supporting block (1), the rotating shaft (602) matched with the gas ventilator (601) is installed on the inner wall of the gas ventilator (601), the first clamping block (603) with the same size is installed on the upper portion and the lower portion of the outer wall of the rotating shaft (602), the second clamping groove (604) matched with the first clamping block (603) is formed in the outer wall of the first clamping block (603), and the handle bar (605) with the larger diameter is installed on the outer wall of the rotating shaft (602).
5. The new horn machine with 360 degree rotary annealing oven according to claim 1, characterized in that: the first thread groove (8) is in threaded connection with the fire adjusting mechanism (6) through a second thread rod (7), and the diameter of the first thread groove (8) is larger than that of the second thread rod (7).
6. The new horn machine with 360 degree rotary annealing oven according to claim 1, characterized in that: the third threaded rod (11) is in threaded connection with the telescopic rod (12) through a second threaded groove (10), and the third threaded rod (11) is symmetrically arranged with the central axis of the bottom supporting block (1).
7. The new type horn machine with 360 degree rotary annealing oven according to claim 2, characterized in that: fixture (14) include first grip block (1401), second fixture block (1402), second grip block (1403), third draw-in groove (1404) and fixed suction cup (1405), first grip block (1401) fixed mounting is on the outer wall of locating lever (13), the outer wall welding of first grip block (1401) has on second fixture block (1402), the same second grip block (1403) of diameter is installed to the outer wall of second fixture block (1402), the same third draw-in groove (1404) of size have all been seted up from top to bottom to the inner wall of second grip block (1403), the same fixed suction cup (1405) of size is all installed from top to bottom to the inner wall of first grip block (1401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630121.4A CN113429120A (en) | 2021-06-07 | 2021-06-07 | Novel horn machine with 360-degree rotary annealing oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630121.4A CN113429120A (en) | 2021-06-07 | 2021-06-07 | Novel horn machine with 360-degree rotary annealing oven |
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| Publication Number | Publication Date |
|---|---|
| CN113429120A true CN113429120A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630121.4A Pending CN113429120A (en) | 2021-06-07 | 2021-06-07 | Novel horn machine with 360-degree rotary annealing oven |
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| CN (1) | CN113429120A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203159449U (en) * | 2013-03-14 | 2013-08-28 | 江苏斯莱特电器有限公司 | Annealing device of core column loudspeaker machine |
| CN104030556A (en) * | 2014-05-29 | 2014-09-10 | 浙江长兴昌盛新光源有限公司 | Lamp core column clamp |
| CN210127185U (en) * | 2019-07-16 | 2020-03-06 | 重庆梦高光电科技有限公司 | Multifunctional horn machine |
| CN111825320A (en) * | 2020-07-02 | 2020-10-27 | 浙江凯耀照明有限责任公司 | Filament lamp stem loudspeaker cooling device |
-
2021
- 2021-06-07 CN CN202110630121.4A patent/CN113429120A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203159449U (en) * | 2013-03-14 | 2013-08-28 | 江苏斯莱特电器有限公司 | Annealing device of core column loudspeaker machine |
| CN104030556A (en) * | 2014-05-29 | 2014-09-10 | 浙江长兴昌盛新光源有限公司 | Lamp core column clamp |
| CN210127185U (en) * | 2019-07-16 | 2020-03-06 | 重庆梦高光电科技有限公司 | Multifunctional horn machine |
| CN111825320A (en) * | 2020-07-02 | 2020-10-27 | 浙江凯耀照明有限责任公司 | Filament lamp stem loudspeaker cooling device |
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Application publication date: 20210924 |
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