CN107377722A - A kind of efficient decompressor of light fixture processing - Google Patents
A kind of efficient decompressor of light fixture processing Download PDFInfo
- Publication number
- CN107377722A CN107377722A CN201710700994.1A CN201710700994A CN107377722A CN 107377722 A CN107377722 A CN 107377722A CN 201710700994 A CN201710700994 A CN 201710700994A CN 107377722 A CN107377722 A CN 107377722A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- mould supporting
- lower mould
- light fixture
- guide rod
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/403—Lighting for industrial, commercial, recreational or military use for machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Springs (AREA)
Abstract
The invention discloses a kind of efficient decompressor of light fixture processing,Including support base,Left and right ends are provided with the guide rod of parallel arrangement on the upside of support base,Lower mould supporting plate and upper mould supporting plate are provided between guide rod,Lower mould supporting plate and the socket of upper mould supporting plate both sides are on the guide bar,Middle side part is provided with lower mould in lower mould supporting plate,Middle side part is provided with mold under upper mould supporting plate,The first damping spring is provided between lower mould supporting plate and support base,The efficient decompressor of light fixture processing of the present invention,Automatic charging when punching press can be realized,Without manual operation,Improve security,Being capable of effective damping vibration in the presence of the first damping spring,The returning quickly of mould supporting plate can be realized in the presence of the second damping spring simultaneously,It is effectively protected equipment and ground,Additionally facilitate mobile and fixed,Convenience and practicality are high.
Description
Technical field
The present invention relates to lamp production equipment, the specifically a kind of efficient decompressor of light fixture processing.
Background technology
Light fixture, refer to can printing opacity, distribution and the utensil for changing light source light distribution, including in addition to light source it is all be used for it is fixed and
Protect whole parts needed for light source, and circuit annex necessary to being connected with power supply.In the production process of light fixture, need
Often to use decompressor and punch process is carried out to lamp outer casing etc., but in many stamping machines, feeding and blanking are all still
Carry out manually, wasting manpower and material resources, and operating efficiency is limited.Traditional stamping machine is because drawing velocity is fast and punching press dynamics
Greatly, so larger impulsive force easily causes the damage on equipment and ground at work.And in general stamping machine can not facilitate
Move and it is fixed, convenience and practicality be not high.
The content of the invention
It is an object of the invention to provide a kind of efficient decompressor of light fixture processing, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical scheme:A kind of efficient decompressor of light fixture processing, including
Support base, support base upside left and right ends are provided with the guide rod of parallel arrangement, and being provided with lower mould between guide rod supports
On the guide bar, middle side part is set in lower mould supporting plate for plate and upper mould supporting plate, lower mould supporting plate and the socket of upper mould supporting plate both sides
There is a lower mould, middle side part is provided with mold under upper mould supporting plate, and the first damping bullet is provided between lower mould supporting plate and support base
Spring, upper mould supporting plate and is arranged between guide rod upper limit ring and is provided with the second damping spring, and guide rod top is provided with transverse bar,
Stamping cylinder is provided between transverse bar and upper mould supporting plate, the piston rod of stamping cylinder is connected with mold, is supported in lower mould
Retractor device and feeding belt are provided with the upside of plate, the direction of motion of feeding belt is vertical with the direction of motion of retractor device, is stretching
The telescopic end of compression apparatus is connected with push baffle plate, and feeding baffle plate and postive stop baffle, postive stop baffle are additionally provided with lower mould supporting plate
It is parallel with feeding baffle plate, and lower mould is between postive stop baffle and feeding baffle plate, left and right on the downside outer wall of lower mould supporting plate
LED illumination lamp is all connected with, the bottom of support base offers four grooves, a pulley gear is each provided with groove,
Pulley gear includes box body, and the rotating shaft with pulley is provided with box body, and the both ends of rotating shaft are fixed in box body and pass through box body
It is fixed on two inwalls of groove, the both ends of box body are each provided with an attaching clamp, and fixation is additionally provided with the outside of groove
Jack, a fixed column are fixed in support base through fixed jack and attaching clamp.
As the further scheme of the present invention:First damping spring and the second damping spring are socketed in guide rod
On.
As further scheme of the invention:The retractor device is drive cylinder.
As further scheme of the invention:The tail end of the push baffle plate is arc.
As further scheme of the invention:The postive stop baffle is bolted in lower mould supporting plate.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, stamping parts is placed on feeding belt, and stamping parts is sent in front of retractor device when feeding belt moves,
Retractor device forward extends out, and promotes raw material to move forward to above lower mould, and now stamping cylinder drives mold along guiding
The movement of bar downward side, punching press is realized when upper and lower mould matched moulds, during this, feeding baffle plate can ensure stamping parts just
It is sent to well in front of retractor device, and when feeding baffle plate and postive stop baffle can ensure that retractor device travels forward, punching press
Part will not be offset, and be ensure that the degree of accuracy of punching press, realized automatic charging, the operating efficiency of stamping machine be improved, without artificial
Operation, improves security.
2nd, in punching course, vibrations caused by punching press can be effectively buffered in the presence of the first damping spring, simultaneously
The returning quickly of mould supporting plate can be realized in the presence of the second damping spring, is effectively protected equipment and ground,
The LED illumination lamp of setting can be illuminated at night, be convenient for processing, and improve the practicality of stamping parts.
3rd, the setting of pulley gear causes when needing to move decompressor, need to only bottom out pulley, you can promotes punching press
Device is moved, and when needing to fix decompressor, box body is bottomed out, and parks firm, and easy to use, convenience is strong.
Brief description of the drawings
Fig. 1 is the structural representation of the efficient decompressor of light fixture processing.
Fig. 2 is top view of the light fixture processing with lower mould supporting plate in efficient decompressor.
Fig. 3 is the structural representation of the efficient decompressor middle pulley device of light fixture processing.
Fig. 4 is a kind of state diagram of the light fixture processing with efficient decompressor middle pulley device.
Fig. 5 is another state diagram of the light fixture processing with efficient decompressor middle pulley device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~5, in the embodiment of the present invention, a kind of light fixture processing efficient decompressor, including support base 1,
The upside left and right ends of support base 1 are provided with the guide rod 2 of parallel arrangement, and lower mould supporting plate 3 and upper is provided between guide rod 2
Mould supporting plate 4, lower mould supporting plate 3 and the upper both sides of mould supporting plate 4 are socketed on guide rod 2, and middle side part is provided with lower mould supporting plate 3
Lower mould 6, upper 4 times middle side parts of mould supporting plate are provided with mold 5, the first damping are provided between lower mould supporting plate 3 and support base 1
Spring 11, upper mould supporting plate 4 and is arranged between the upper limit ring 201 of guide rod 2 and is provided with the second damping spring 12, the first damping bullet
The damping spring 12 of spring 11 and second is socketed on guide rod 12, and the top of guide rod 2 is provided with transverse bar 13, transverse bar 13 and upper mould
Stamping cylinder 14 is provided between supporting plate 4, the piston rod of stamping cylinder 14 is connected with mold 5, in the lower upside of mould supporting plate 3
Provided with retractor device 8 and feeding belt 9, the retractor device 8 is drive cylinder, the direction of motion of feeding belt 9 and flexible dress
Put 8 the direction of motion it is vertical, the telescopic end of retractor device 8 be connected with push baffle plate 10, it is described push baffle plate 10 tail end be
Arc, feeding baffle plate 72 and postive stop baffle 71 being additionally provided with lower mould supporting plate 3, postive stop baffle 71 is parallel with feeding baffle plate 72,
And lower mould 6, between postive stop baffle 71 and feeding baffle plate 72, the postive stop baffle 71 is bolted to be supported in lower mould
On plate 3, left and right is all connected with LED illumination lamp 15 on the downside outer wall of lower mould supporting plate 4, and the bottom of support base 1 offers four
Individual groove 18, is each provided with a pulley gear 17 in groove 18, and pulley gear 17 includes box body 19, is provided with box body 19
Rotating shaft 20 with pulley 21, the both ends of rotating shaft 20 are fixed in box body 19 and two inwalls of groove 18 are fixed on through box body 19
On, the both ends of box body 19 are each provided with an attaching clamp 22, and fixed jack, a fixed column are additionally provided with the outside of groove 18
It is fixed on through fixed jack and attaching clamp 22 in support base 1, stamping parts is placed on feeding belt 9, and feeding belt 8 is transported
Stamping parts is sent to the front of retractor device 8 when dynamic, retractor device 8 forward extends out, and promotes raw material to move forward to lower mould 6
Top, now stamping cylinder 14 drive mold 5 to be moved along 2 downward side of guide rod, realize punching when upper and lower mould matched moulds
Pressure, during this, feeding baffle plate 72 can ensure that stamping parts is just sent to the front of retractor device 8, and the He of feeding baffle plate 72
When postive stop baffle 71 can ensure that retractor device 8 travels forward, stamping parts will not be offset, and ensure that the degree of accuracy of punching press,
Automatic charging is realized, improves the operating efficiency of stamping machine, without manual operation, improves security, in punching course,
It can effectively buffer in the presence of first damping spring 11 and be shaken caused by punching press, while in the effect of the second damping spring 12
The returning quickly of mould supporting plate 4 can be realized down, be effectively protected equipment and ground, the LED illumination lamp 15 of setting can
It is illuminated at night, is convenient for processing, improves the practicality of stamping parts, the setting of pulley gear 17, which to work as, to be needed to move
During dynamic decompressor, pulley 21 need to only be bottomed out, you can promote decompressor to move, when needing to fix decompressor,
Box body 19 is bottomed out, parks firm, easy to use, convenience is strong.The efficient decompressor of light fixture processing of the present invention, can
Automatic charging when punching press is realized, without manual operation, improves security, can be had in the presence of the first damping spring
The damping vibration of effect, while the returning quickly of mould supporting plate can be realized in the presence of the second damping spring, it is effective to protect
Equipment and ground have been protected, has additionally facilitated mobile and fixed, convenience and practicality height.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of light fixture processing efficient decompressor, including support base (1), it is characterised in that on the support base (1)
Side left and right ends are provided with the guide rod (2) of parallel arrangement, and lower mould supporting plate (3) and upper mould supporting plate are provided between guide rod (2)
(4), lower mould supporting plate (3) and upper mould supporting plate (4) both sides are socketed on guide rod (2), and middle side part is set on lower mould supporting plate (3)
There is a lower mould (6), middle side part is provided with mold (5) under upper mould supporting plate (4), between lower mould supporting plate (3) and support base (1)
Provided with the first damping spring (11), upper mould supporting plate (4) and it is arranged between guide rod (2) upper limit ring (201) and is provided with second
Damping spring (12), guide rod (2) top are provided with transverse bar (13), and punching is provided between transverse bar (13) and upper mould supporting plate (4)
Air cylinder (14), the piston rod of stamping cylinder (14) are connected with mold (5), are provided with the upside of lower mould supporting plate (3) flexible
Device (8) and feeding belt (9), the direction of motion of feeding belt (9) is vertical with the direction of motion of retractor device (8), flexible
The telescopic end of device (8) is connected with push baffle plate (10), and feeding baffle plate (72) and limiting block are additionally provided with lower mould supporting plate (3)
Plate (71), postive stop baffle (71) is parallel with feeding baffle plate (72), and lower mould (6) is located at postive stop baffle (71) and feeding baffle plate
(72) between, left and right is all connected with LED illumination lamp (15), the bottom of support base (1) on the downside outer wall of lower mould supporting plate (4)
Four grooves (18) are offered, are each provided with a pulley gear (17) in groove (18), pulley gear (17) includes box body
(19), be provided with the rotating shaft (20) with pulley (21) in box body (19), the both ends of rotating shaft (20) be fixed in box body (19) and
It is fixed on through box body (19) on two inwalls of groove (18), the both ends of box body (19) are each provided with an attaching clamp (22),
Fixed jack is additionally provided with the outside of groove (18), a fixed column is fixed on support through fixed jack and attaching clamp (22)
On base (1).
2. the efficient decompressor of light fixture processing according to claim 1, it is characterised in that first damping spring
(11) it is socketed on guide rod (12) with the second damping spring (12).
3. the efficient decompressor of light fixture according to claim 1 processing, it is characterised in that the retractor device (8) is
Drive cylinder.
4. the efficient decompressor of light fixture processing according to claim 1, it is characterised in that the push baffle plate (10)
Tail end is arc.
5. the efficient decompressor of light fixture processing according to claim 1, it is characterised in that the postive stop baffle (71) is logical
Cross and be bolted on lower mould supporting plate (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710700994.1A CN107377722A (en) | 2017-08-16 | 2017-08-16 | A kind of efficient decompressor of light fixture processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710700994.1A CN107377722A (en) | 2017-08-16 | 2017-08-16 | A kind of efficient decompressor of light fixture processing |
Publications (1)
Publication Number | Publication Date |
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CN107377722A true CN107377722A (en) | 2017-11-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710700994.1A Pending CN107377722A (en) | 2017-08-16 | 2017-08-16 | A kind of efficient decompressor of light fixture processing |
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CN (1) | CN107377722A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108480487A (en) * | 2018-06-28 | 2018-09-04 | 湖州吉弘机械有限公司 | A kind of bolt production drawing composite mold |
CN108687240A (en) * | 2018-07-09 | 2018-10-23 | 杨美玲 | A kind of automatic punching die improving service life |
CN109147231A (en) * | 2018-08-29 | 2019-01-04 | 合肥浮点信息科技有限公司 | A kind of combustion gas self-help charger being readily transported |
CN110369637A (en) * | 2019-08-09 | 2019-10-25 | 广州新贝机械有限公司 | A kind of wire rod stamping die component |
CN111346960A (en) * | 2018-12-21 | 2020-06-30 | 漳浦县中诺新能源科技有限公司 | Stamping device is used in production of LED lamps and lanterns |
CN112547889A (en) * | 2020-11-12 | 2021-03-26 | 嘉禾福顺机械实业有限公司 | Stamping device is used in mining equipment manufacturing |
CN113732140A (en) * | 2021-07-21 | 2021-12-03 | 莫家豪 | Automatic stamping device of shell for electronic product processing |
CN113787117A (en) * | 2021-09-14 | 2021-12-14 | 东莞市伟光照明电器工程有限公司 | LED street lamp casing apparatus for producing |
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CN205289534U (en) * | 2016-01-12 | 2016-06-08 | 南安市丰州明盛五金配件厂 | Hardware processing is with punching machine that has automatic discharging mechanism |
CN205289394U (en) * | 2016-01-12 | 2016-06-08 | 南安市丰州明盛五金配件厂 | Hardware processing uses high -efficient punching machine |
CN106848870A (en) * | 2017-03-29 | 2017-06-13 | 贵州大学 | A kind of regulator cubicle for electrical engineering |
CN207204954U (en) * | 2017-08-16 | 2018-04-10 | 芜湖晶鑫光电照明有限公司 | A kind of efficient decompressor of light fixture processing |
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CN205289534U (en) * | 2016-01-12 | 2016-06-08 | 南安市丰州明盛五金配件厂 | Hardware processing is with punching machine that has automatic discharging mechanism |
CN205289394U (en) * | 2016-01-12 | 2016-06-08 | 南安市丰州明盛五金配件厂 | Hardware processing uses high -efficient punching machine |
CN106848870A (en) * | 2017-03-29 | 2017-06-13 | 贵州大学 | A kind of regulator cubicle for electrical engineering |
CN207204954U (en) * | 2017-08-16 | 2018-04-10 | 芜湖晶鑫光电照明有限公司 | A kind of efficient decompressor of light fixture processing |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108480487A (en) * | 2018-06-28 | 2018-09-04 | 湖州吉弘机械有限公司 | A kind of bolt production drawing composite mold |
CN108687240A (en) * | 2018-07-09 | 2018-10-23 | 杨美玲 | A kind of automatic punching die improving service life |
CN109147231A (en) * | 2018-08-29 | 2019-01-04 | 合肥浮点信息科技有限公司 | A kind of combustion gas self-help charger being readily transported |
CN111346960A (en) * | 2018-12-21 | 2020-06-30 | 漳浦县中诺新能源科技有限公司 | Stamping device is used in production of LED lamps and lanterns |
CN110369637A (en) * | 2019-08-09 | 2019-10-25 | 广州新贝机械有限公司 | A kind of wire rod stamping die component |
CN112547889A (en) * | 2020-11-12 | 2021-03-26 | 嘉禾福顺机械实业有限公司 | Stamping device is used in mining equipment manufacturing |
CN113732140A (en) * | 2021-07-21 | 2021-12-03 | 莫家豪 | Automatic stamping device of shell for electronic product processing |
CN113787117A (en) * | 2021-09-14 | 2021-12-14 | 东莞市伟光照明电器工程有限公司 | LED street lamp casing apparatus for producing |
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Application publication date: 20171124 |
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