CN109442351B - Manufacturing method of integrated lamp cup and matching structure of integrated lamp cup and mold - Google Patents
Manufacturing method of integrated lamp cup and matching structure of integrated lamp cup and mold Download PDFInfo
- Publication number
- CN109442351B CN109442351B CN201811564948.4A CN201811564948A CN109442351B CN 109442351 B CN109442351 B CN 109442351B CN 201811564948 A CN201811564948 A CN 201811564948A CN 109442351 B CN109442351 B CN 109442351B
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- Prior art keywords
- lamp
- cup body
- lamp cap
- cup
- lamp cup
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000003292 glue Substances 0.000 claims abstract description 116
- 239000011810 insulating material Substances 0.000 claims abstract description 97
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 238000001746 injection moulding Methods 0.000 claims description 38
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 238000000465 moulding Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 150000001875 compounds Chemical group 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/2622—Moulds having screw-threaded mould walls for moulding interrupted screw threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14213—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure deforming by gas or fluid pressure in the mould cavity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
Abstract
The invention provides a manufacturing method of an integrated lamp cup and a matching structure of the integrated lamp cup and a die, wherein the manufacturing method of the integrated lamp cup comprises the following steps: stamping the conductive blank into a lamp cup body with a lamp cap and a cup body. The lamp cup body is sleeved on the rear mold core of the mold, so that an inner sealing glue position is formed between the cup body and the rear mold core in a fitting way. The front die of the die is sleeved on the periphery of the cup body and in clearance fit with the lamp cup body, so that the sliding block mechanism of the die is abutted to the front die and is attached to the lamp cap, the runner mechanism of the die is attached to the top end of the lamp cap, and an outer sealing glue position is formed between the sliding block mechanism and the lamp cap. The lamp cap is exposed outside as the conductive part, and the external sealing glue can prevent insulating materials from remaining on the conductive part, so that the appearance quality of the lamp cap is improved, the good contact between the lamp cap and an external circuit is ensured, and the smooth circuit of the lamp cap is ensured. The inner sealing glue prevents the insulating material from entering the inside of the cup body, so that the effective contact between the cup body and other conductive parts can be effectively controlled, and the smoothness of the circuit inside the cup body is ensured.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a manufacturing method of an integrated lamp cup and a matching structure of the integrated lamp cup and a die.
Background
The lamp cup is used as a connecting part between the bulb and the lamp holder, the traditional lamp cup adopts a split structure of a lamp cap and a cup body, the lamp cap is formed by adopting one processing technology and equipment, the lamp body needs another processing technology and equipment to form, when the lamp cap and the cup body are assembled into the lamp cup, nailing and riveting or glue bonding are needed, the assembly efficiency is low, manual operation or special equipment is needed to be used for assembly, on the other hand, the assembly of the traditional split structure is easy to fail (such as loose contact with a zero line, the lamp cap and the cup body are not firmly nailed and are easy to fall off), repair treatment is needed to be carried out after the lamp cap is damaged due to the failure in the production process, and the process is repeated for repair, thereby adding extra accessories and labor cost.
In order to solve the problems, an integrated lamp cup is gradually appeared on the market. The integrated lamp cup comprises a cup body and a lamp cap, the lamp cup comprises a conductive part and an insulating part, the conductive part is formed by integrally forming conductive blanks, the lamp cap of the conductive part is provided with a threaded structure by stamping, the lamp cup is formed by integrally injection molding the conductive part and the insulating part, the conductive part is positioned outside the insulating part on the lamp cap part, the conductive part is positioned inside the insulating part on the cup body part, the conductive part of the lamp cap part is connected with the conductive part of the cup body part, and the manufacturing method is generally that the conductive part is placed in a mold for injection molding.
According to the manufacturing method of the lamp cup, in the injection molding process, the insulating rubber is easy to overflow and remain on the outer surface of the lamp cap and the inner surface of the cup body, on one hand, the appearance quality of the lamp cup is easy to be affected by the insulating rubber remaining on the outer surface of the lamp cup, and the lamp cup cannot be used when serious, so that the yield of the lamp cup is reduced; on the other hand, the screw thread structure of the lamp cap is residual with insulating glue, which can affect the assembly between the lamp cap and the lamp holder, and easily lead to poor contact, even lead to that the lamp adopting the lamp cup can not be used, and cause the waste of manpower and materials; in yet another aspect, the presence of an insulating compound on the inner surface of the cup can affect the electrical connection between the cup and the light source, affecting the use of the lamp.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the use of the lamp cup is affected by residual sizing materials on the outer surface of the lamp cup in the manufacturing method of the lamp cup in the prior art, thereby providing the manufacturing method of the integrated lamp cup and the matching structure of the integrated lamp cup and the mold.
In order to solve the above technical problems, in one aspect, the present invention provides a method for manufacturing an integrated lamp cup, including:
stamping the conductive blank into a lamp cup body with a lamp cap and a cup body;
the lamp cup body is sleeved on a rear mold core of the mold, so that an inner sealing glue position is formed between the cup body and the rear mold core in a fitting mode, and the inner sealing glue position can prevent insulating materials from entering a region between the cup body and the rear mold core;
the front die of the die is sleeved on the periphery of the cup body and is in clearance fit with the lamp cup body, so that the sliding block mechanism of the die is abutted to the front die and is attached to the lamp cap, the runner mechanism of the die is attached to the top end of the lamp cap, an outer sealing glue position is formed between the sliding block mechanism and the runner mechanism and between the runner mechanism and the lamp cap, and the outer sealing glue position can prevent insulating materials from entering the area between the sliding block mechanism and the lamp cap and the area between the runner mechanism and the lamp cap.
Optionally, the method further comprises:
and insulating materials are injected into the lamp cup body through the runner mechanism, so that the lamp cap deforms towards the direction of the sliding block mechanism, and a thread structure is formed.
Optionally, the insulating material is injected into the lamp cup body by using an injection molding machine, and the actual injection molding pressure of the injection nozzle of the injection molding machine needs to meet the following formula:
actual injection pressure of nozzle of injection molding machine= (maximum injection pressure of injection molding machine/maximum injection oil pump pressure of injection molding machine) ×screen display pressure.
Optionally, the actual injection pressure of the nozzle of the injection molding machine is greater than the yield strength of the conductive blank, and the actual injection pressure of the nozzle of the injection molding machine is less than the tensile strength of the conductive blank.
Optionally, the design elongation delta of the cap when the cap is formed into a threaded configuration A The following formula needs to be satisfied:
δ A ＝(L-L 0 )/L*100％；
δ A ≤δ*0.8；
wherein L is 0 The length of the outer contour line of the axial section when the lamp cap does not form a thread structure; l is the length of the outer contour line of the axial section of the lamp cap after the screw structure is formed; delta is the elongation at break of the conductive blank.
Optionally, in the step of injecting the insulating material into the lamp cup body through the runner mechanism, the runner mechanism is provided with a gate, the top end of the lamp cap is provided with a glue inlet adapted to the gate, and the insulating material is sequentially injected into the lamp cup body through the gate and the glue inlet in a hot runner mode.
In another aspect, the present invention provides a mating structure of an integrated lamp cup and a mold, including:
the integrated lamp cup is provided with a lamp cup body, and the lamp cup body comprises a lamp cap and a cup body;
the mold comprises a rear mold core, a front mold and a sliding block mechanism, wherein the rear mold core is inserted into the lamp cup body, and the front mold and the sliding block mechanism are arranged on the outer side of the lamp cup body;
an inner sealing glue position is formed between the cup body and the rear mold core, and a first outer sealing glue position is formed between the sliding block mechanism and the lamp cap.
Optionally, the inner sealing glue position comprises a first inner sealing glue position formed at a position corresponding to the rear mold core at the lower end of the cup body, and a second inner sealing glue position formed at a position corresponding to the rear mold core at the upper end of the cup body.
Optionally, the mold further comprises a runner mechanism, the runner mechanism is arranged at a position corresponding to the glue inlet of the integrated lamp cup, and a second sealing glue position is formed between the runner mechanism and the lamp cap.
Optionally, the lamp cup body is provided with a plurality of glue passing holes, and the total area of the glue passing holes accounts for 10% -60% of the area of the lamp cup body between the first outer sealing glue position and the second inner sealing glue position.
Optionally, the glue passing hole is arranged between the lamp cap and the cup body.
Optionally, the radial cross section of the lamp cap is a non-right circular cross section.
Optionally, the slider mechanism is towards the side of lamp holder is equipped with the screw thread molding portion with lamp stand looks adaptation, screw thread molding portion butt is in the periphery of lamp holder, in the integral type lamp cup injection molding process the lamp holder passes through the secondary stretching and forms with screw thread molding portion the same helicitic texture.
The technical scheme of the invention has the following advantages:
1. according to the manufacturing method of the integrated lamp cup, the outer sealing glue position is formed between the runner mechanism and the lamp cap, when the insulating material is injected into the lamp cap, the outer sealing glue position can prevent the insulating material from flowing into the area between the runner mechanism and the lamp cap from the upper end of the lamp cap, and the insulating material is forced to enter the area between the lamp cap and the rear mold core; when the insulating material flows from the inside of the lamp cap to the outside of the cup body, the sealing glue between the slide block mechanism and the lamp cap can prevent the insulating material from flowing into the area between the slide block mechanism and the lamp cap from the lower end of the lamp cap, so that the insulating material is forced to enter the area between the cup body and the front mould. The lamp cap is exposed outside as the conductive part, so that insulating materials are prevented from remaining on the conductive part, the appearance quality of the lamp cap is improved, good contact between the lamp cap and an external circuit is ensured, smooth circuit of the lamp cap is ensured, and the use of the lamp cup is not influenced.
An inner sealing glue position is formed between the cup body and the rear mold core in a bonding way, when the insulating material flows from the inside of the lamp cap to the outside of the cup body, the inner sealing glue can prevent the insulating material from flowing into the area between the cup body and the rear mold core, and the insulating material is forced to flow from the inside of the lamp cap to the outside of the cup body; when the insulating material between the front mould and the cup body flows outside the cup body, the inner sealing glue can prevent the insulating material from flowing into the area between the cup body and the rear mould core. Thus, the insulating material is prevented from entering the cup body, the effective contact between the cup body and other conductive parts can be effectively controlled, and the smoothness of the circuit inside the cup body is ensured.
2. According to the manufacturing method of the integrated lamp cup, in the process of injecting the insulating material into the lamp cup body, the lamp cap part forms the thread structure facing the sliding block mechanism, and the thread structure can be connected with the lamp holder to realize the electric connection between the lamp cup and an external circuit.
3. According to the manufacturing method of the integrated lamp cup, provided by the invention, the actual injection molding pressure of the injection nozzle of the injection molding machine is effectively controlled, so that the molding quality of the lamp cup can be better controlled.
4. According to the manufacturing method of the integrated lamp cup, the design extensibility of the lamp cap is controlled to ensure that the lamp cap cannot be broken or damaged when the screw structure is formed, so that the quality of the lamp cup is ensured, the yield of the lamp cup is improved, and the investment cost is reduced.
5. According to the manufacturing method of the integrated lamp cup, the insulating material is injected into the lamp cup body in the hot runner mode, the runner mechanism does not generate water gap regeneration materials in the process of injecting the insulating material, and then the water gap regeneration materials are not subjected to the process of being reused after being melted, and the mechanical strength of the insulating material is reduced due to the fact that the water gap regeneration materials are added into the insulating material again, so that the physical characteristics of the insulating material are effectively guaranteed in the process of continuously injecting the insulating material into the lamp cup body, and the mechanical strength of the lamp cup is improved; meanwhile, the production efficiency of the lamp cup is improved.
The pouring gate of the runner mechanism is arranged above the top end of the lamp cap, the glue inlet is arranged at the top end of the lamp cap, and the appearance of the lamp cup cannot be affected after the product is molded because the top end of the lamp cap is a non-visible area. Moreover, the glue injection pressure of the pouring gate when the pouring gate is close to the glue inlet area is larger than that of the pouring gate when the pouring gate is far away from the glue inlet area, so that enough pressure can be output better to enable the lamp cap to form a threaded structure.
6. According to the integrated lamp cup and die matching structure, the first outer sealing glue position is formed between the slider mechanism and the lamp cap, so that insulating materials can be prevented from flowing into the area between the slider mechanism and the lamp cap from the lower end of the lamp cap, the insulating materials are forced to enter the area between the cup body and the front die, the conductive part is arranged outside the lamp cap, the probability that the insulating materials remain on the conductive part is reduced by the first outer sealing glue position, the appearance quality of the lamp cap is improved, and the probability of unsmooth connection between the lamp cap and the lamp holder is reduced.
An inner sealing glue position is formed between the cup body and the rear mold core, so that insulating materials can be effectively prevented from flowing into the area between the cup body and the rear mold core, the insulating materials are forced to flow from the inside of the lamp cap to the outside of the cup body, and meanwhile, the insulating materials outside the cup body can be prevented from flowing into the area between the cup body and the rear mold core, so that the insulating materials are prevented from entering the conductive part of the cup body, the conductive part of the cup body can be effectively controlled to be in effective contact with other conductive parts, and the smoothness of an internal circuit of the cup body is ensured.
7. According to the integrated lamp cup and die matching structure, the first inner sealing glue position is formed between the lower end of the cup body and the rear die core, so that the insulating material outside the cup body can be effectively prevented from flowing into the area between the cup body and the rear die core; a second inner sealing glue position is formed at the position of the upper end of the cup body corresponding to the rear mould core, and the insulating material between the lamp cap and the rear mould core is forced to flow to the area between the front mould and the cup body while the insulating material between the lamp cap and the rear mould core is prevented from continuing to flow to the area between the cup body and the rear mould core.
8. According to the integrated lamp cup and die matching structure, the runner mechanism is arranged at the position corresponding to the glue inlet of the lamp cup, so that a second sealing glue position is formed between the runner mechanism and the lamp cap, and thus insulating materials can be effectively prevented from flowing into the area between the runner mechanism and the lamp cap and the area between the sliding block mechanism and the lamp cap. The outside of lamp holder is conductive part, through the cooperation at first outer encapsulation position and second outer encapsulation position, has prevented insulating material and has remained on conductive part, has both improved the appearance quality of lamp holder, ensures again that contact between lamp holder and the external circuit is good, guarantees that lamp holder circuit is unblocked, can not influence the use of lamp cup.
9. According to the integrated lamp cup and die matching structure, the ratio of the total area of the glue passing holes to the area of the area between the first outer sealing glue position and the second inner sealing glue position on the lamp cup body is controlled, so that the mechanical strength of the lamp cup and the obvious degree of an outer welding line (clamping line) can be ensured.
10. According to the integrated lamp cup and die matching structure, the radial section of the lamp cap is set to be a non-right circular section, so that smoothness of the threaded structure of the lamp cap and a lamp holder during assembly can be ensured, and meanwhile, the influence of the step difference of the die assembly line area of the lamp cap on the assembly size of the lamp cup can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a mold provided by the invention before being matched with a lamp cup body for injection molding;
fig. 2 is a schematic diagram of a matching structure of a mold and an integrated lamp cup provided by the invention;
fig. 3 is an enlarged view at a in fig. 2;
fig. 4 is an enlarged view at B in fig. 2;
fig. 5 is an enlarged view at C in fig. 2;
fig. 6 is an enlarged view at D in fig. 2;
fig. 7 is an enlarged view at E in fig. 2;
fig. 8 is a schematic diagram of a lamp cup body provided by the invention before being stretched.
Fig. 9 is a schematic diagram of a stretched lamp cup body according to the present invention.
Fig. 10 is a schematic diagram of an integrated lamp cup provided by the invention.
Reference numerals illustrate:
1. a rear mold core; 2. a front mold; 3. a slider mechanism; 301. a thread molding part; 4. a flow channel mechanism; 401. a gate; 5. a lamp cup body; 501. a lamp base; 5011. a thread structure; 502. a cup body; 503. a glue passing hole; 504. a glue inlet; 6. a first inner sealing glue position; 7. a second inner sealing glue position; 8. a first external sealing glue position; 9. a second external sealing glue position; 10. a first insulating portion; 11. and a second insulating portion.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
One embodiment of the method for manufacturing an integrated lamp cup as shown in fig. 1 to 10 includes: the conductive blank is stamped into a lamp cup body 5 having a lamp base 501 and a cup 502.
The lamp cup body 5 is sleeved on the rear mold core 1 of the mold, so that an inner sealing glue position is formed between the cup body 502 and the rear mold core 1, and the inner sealing glue position can prevent insulating materials from entering the area between the cup body 502 and the rear mold core 1.
The front mold 2 of the mold is sleeved on the periphery of the cup 502 and is in clearance fit with the lamp cup body 5, the sliding block mechanism 3 of the mold is abutted to the front mold 2 and is attached to the lamp cap 501, the runner mechanism 4 of the mold is attached to the top end of the lamp cap 501, and an outer sealing glue position is formed between the sliding block mechanism 3 and the runner mechanism 4 and between the sliding block mechanism 3 and the lamp cap 501, and the outer sealing glue position can prevent insulating materials from entering the area between the sliding block mechanism 3 and the lamp cap 501 and the area between the runner mechanism 4 and the lamp cap 501.
In the above-mentioned manufacturing approach of the unitary lamp cup, through forming the exterior seal glue position between runner mechanism 4 and lamp holder 501, when injecting the insulating material into lamp holder 501, the exterior seal glue position can prevent the insulating material from flowing into the area between runner mechanism 4 and lamp holder 501 from the upper end of the lamp holder 501, force the insulating material to enter the area between lamp holder 501 and back mould core 1; when the insulating material flows from inside the cap 501 to outside the cup 502, the sealing compound between the slider mechanism 3 and the cap 501 can prevent the insulating material from flowing from the lower end of the cap 501 into the area between the slider mechanism 3 and the cap 501, forcing the insulating material into the area between the cup 502 and the front mold 2. The lamp holder 501 is exposed outside as a conductive part, so that insulating materials are prevented from remaining on the conductive part, the appearance quality of the lamp holder 501 is improved, good contact between the lamp holder 501 and an external circuit is ensured, the circuit of the lamp holder 501 is ensured to be smooth, and the use of a lamp cup is not influenced.
By forming the inner sealing glue position between the cup 502 and the rear mold core 1, when the insulating material flows from the inside of the lamp cap 501 to the outside of the cup 502, the inner sealing glue can prevent the insulating material from flowing into the area between the cup 502 and the rear mold core 1, so that the insulating material is forced to flow from the inside of the lamp cap 501 to the outside of the cup 502; when the insulating material between the front mold 2 and the cup 502 flows outside the cup 502, the inner molding compound can prevent the insulating material from flowing into the area between the cup 502 and the rear mold core 1. Thus, the insulating material is prevented from entering the inside of the cup 502, so that the effective contact between the cup 502 and other conductive components can be effectively controlled, and the smoothness of the internal circuit of the cup 502 is ensured.
It will be appreciated that the insulating material forms an insulating portion comprising a first insulating portion 10 located inside the cap 501 and a second insulating portion 11 located outside the cup 502. In this embodiment, the insulating material may be plastic.
The insulating material and the lamp cup body 5 have the function of heat dissipation, and the combination of the insulating material and the lamp cup body has the function of improving the heat dissipation performance of the lamp cup; meanwhile, in the portion of the lamp cap 501, the insulating material is filled in the lamp cap 501, and the insulating material is equivalent to providing support for the lamp cap 501, so that the strength of the lamp cap 501 can be enhanced.
The lamp cup manufactured by the integrated lamp cup manufacturing method can be suitable for various spiral lamp holders, and when the lamp cup is applied to different lamp holders, the size of the lamp cap 501 is only required to be adjusted in the production process.
The lamp cup body 5 of the integrated lamp cup is free of gaps, has waterproof and dustproof effects, can avoid the lamp cup from generating electric leakage and other conditions, and improves the protection level of the lamp cup.
Specifically, the manufacturing method of the integrated lamp cup further comprises the following steps: the screw structure 5011 is formed by injecting an insulating material into the lamp cup body 5 through the flow path mechanism 4, and deforming the base 501 in the direction toward the slider mechanism 3. The screw thread structure 5011 can be connected with the lamp holder to realize the electric connection of the lamp cup and an external circuit.
Injecting the insulating material into the lamp cup body 5 by adopting an injection molding machine, wherein the actual injection molding pressure of the injection nozzle of the injection molding machine needs to meet the following formula:
actual injection pressure of nozzle of injection molding machine= (maximum injection pressure of injection molding machine/maximum injection oil pump pressure of injection molding machine) ×screen display pressure.
The actual injection pressure of the nozzle of the injection molding machine is expressed in Mpa. The actual injection molding pressure of the injection nozzle of the injection molding machine is effectively controlled, so that the molding quality of the lamp cup can be better controlled.
The actual injection pressure of the injection nozzle of the injection molding machine is larger than the yield strength of the conductive blank, and the actual injection pressure of the injection nozzle of the injection molding machine is smaller than the tensile strength of the conductive blank. This ensures that the lamp cup body 5 is not damaged during the injection molding process.
The design elongation δa of the cap 501 when the cap 501 forms the screw structure 5011 needs to satisfy the following formula:
δ A ＝(L-L 0 )/L*100％；
δ A ≤δ*0.8；
wherein L is 0 The length of the outer contour line of the axial section when the screw structure 5011 is not formed in the base 501; l is the length of the outer contour line of the axial section of the lamp cap 501 after the screw structure 5011 is formed; delta is the elongation at break of the conductive blank.
By controlling the design elongation of the lamp cap 501, the phenomenon that the lamp cap 501 is broken or damaged when forming the screw thread structure 5011 is avoided, so that the quality of the lamp cup is ensured, the yield of the lamp cup is improved, and the investment cost is reduced.
As shown in fig. 2 and 7, in the step of injecting the insulating material into the lamp cup body 5 through the runner mechanism 4, the runner mechanism 4 is provided with a gate 401, a glue inlet 504 adapted to the gate 401 is provided at the top end of the lamp cap 501, and the insulating material is injected into the lamp cup body 5 through the gate 401 and the glue inlet 504 in sequence by adopting a hot runner mode.
The insulating material is injected into the lamp cup body 5 in a hot runner mode, the runner mechanism 4 does not generate water gap regeneration materials in the process of injecting the insulating material, and then the water gap regeneration materials are not subjected to the process of being reused after being melted, and the mechanical strength of the insulating material is reduced because the water gap regeneration materials are added into the insulating material again, so that the physical properties of the insulating material are effectively ensured in the process of continuously injecting the insulating material into the lamp cup body 5, and the mechanical strength of the lamp cup is improved; meanwhile, the production efficiency of the lamp cup is improved.
The pouring gate 401 of the runner mechanism 4 is arranged above the top end of the lamp holder 501, the glue inlet 504 is arranged at the top end of the lamp holder 501, and the top end of the lamp holder 501 is a non-visible area, so that the appearance of a lamp cup is not affected after the product is molded. In addition, the glue injection pressure of the pouring gate 401 when the pouring gate 401 is close to the glue inlet 504 is larger than that of the pouring gate 401 when the pouring gate 401 is far away from the glue inlet 504, so that enough pressure can be output better to enable the screw thread structure 5011 to be formed at the lamp holder 501.
Example 2
One embodiment of the cooperation structure of the integrated lamp cup and the mold shown in fig. 1 to 10 includes:
the integrated lamp cup is provided with a lamp cup body 5, and the lamp cup body 5 comprises a lamp cap 501 and a cup body 502.
The mold comprises a rear mold core 1, a front mold 2 and a sliding block mechanism 3, wherein the rear mold core 1 is inserted into the lamp cup body 5, and the front mold 2 and the sliding block mechanism 3 are arranged on the outer side of the lamp cup body 5.
An inner sealing glue position is formed between the cup 502 and the rear mold core 1, and a first outer sealing glue position 8 is formed between the slider mechanism 3 and the lamp cap 501.
Above-mentioned integral type lamp cup and cooperation structure of mould, through forming first outer encapsulation position 8 between slider mechanism 3 and lamp holder 501, can prevent insulating material from flowing into the region between slider mechanism 3 and the lamp holder 501 from the lower extreme of lamp holder 501, force insulating material to get into the region between cup 502 and the front mould 2, lamp holder 501 exposes outside for the electrically conductive portion, first outer encapsulation position 8 has reduced insulating material's probability of remaining on the electrically conductive portion, has improved the appearance quality of lamp holder 501, has reduced the probability of being connected between lamp holder 501 and the lamp stand.
An inner sealing glue position is formed between the cup 502 and the rear mold core 1, so that the insulating material can be effectively prevented from flowing into the area between the cup 502 and the rear mold core 1, the insulating material is forced to flow from the inside of the lamp cap 501 to the outside of the cup 502, and meanwhile, the insulating material outside the cup 502 can be prevented from flowing into the area between the cup 502 and the rear mold core 1, thus, the insulating material is prevented from entering the inside of the cup 502, the effective contact between the cup 502 and other conductive components can be effectively controlled, and the smoothness of the internal circuit of the cup 502 is ensured.
Specifically, as shown in fig. 5 and 6, the inner sealing glue sites include a first inner sealing glue site 6 formed at a position corresponding to the rear mold core 1 at the lower end of the cup 502, and a second inner sealing glue site 7 formed at a position corresponding to the rear mold core 1 at the upper end of the cup 502. By forming the first inner sealing glue position 6 between the lower end of the cup 502 and the rear mold core 1, the insulating material outside the cup 502 can be effectively prevented from flowing into the area between the cup 502 and the rear mold core 1; a second molding compound 7 is formed at a portion of the upper end of the cup 502 corresponding to the rear mold 1, and the insulating material between the lamp cap 501 and the rear mold 1 is forced to flow to the region between the front mold 2 and the cup 502 while the insulating material between the lamp cap 501 and the rear mold 1 is prevented from continuing to flow to the region between the cup 502 and the rear mold 1.
As shown in fig. 1, 2 and 3, the mold further includes a runner mechanism 4 disposed at a position corresponding to the glue inlet 504 of the integrated lamp cup, and a second sealing glue position 9 is formed between the runner mechanism 4 and the lamp cap 501. This effectively prevents the insulating material from flowing into the region between the flow path mechanism 4 and the base 501 and the region between the slider mechanism 3 and the base 501. The lamp holder 501 is that the conductive part is exposed outside, through the cooperation of the first outer sealing glue position 8 and the second outer sealing glue position 9, insulating materials are prevented from remaining on the conductive part, the appearance quality of the lamp holder 501 is improved, good contact between the lamp holder 501 and an external circuit is ensured, the smooth circuit of the lamp holder 501 is ensured, and the use of a lamp cup is not influenced.
As shown in fig. 5, 8 and 9, the lamp cup body 5 is provided with a plurality of glue passing holes 503, and the total area of the glue passing holes 503 accounts for 10% -60% of the area of the lamp cup body 5 between the first outer sealing glue position 8 and the second inner sealing glue position 7. The smaller the number of holes of the via hole 503 is, the larger the ratio of the total area of the via hole 503 to the area of the lamp cup body 5 is, the larger the number of holes of the via hole 503 is, the smaller the ratio of the total area of the via hole 503 to the area of the lamp cup body 5 is, and the mechanical strength of the lamp cup and the obvious degree of the external welding line (clamping line) can be ensured by controlling the ratio of the total area of the via hole 503 to the area of the lamp cup body 5.
It will be appreciated that the first and second locations 8, 7 are not isolated locations themselves, but are two annular areas. Meanwhile, the area between the first outer sealing glue position 8 and the second inner sealing glue position 7 is an area arranged between two annular areas.
The number of the via holes 503 is not limited, and may be set according to actual needs. For example, the via 503 may be one, two, three, etc.
The plurality of glue passing holes 503 are uniformly distributed on the lamp cup body 5, which is helpful for uniformly distributing the insulating material on the cup body 502 and improving the appearance quality of the lamp cup.
The glue through hole 503 is disposed between the lamp cap 501 and the cup 502. The insulating material between the lamp cap 501 and the rear mold core 1 flows to the area between the front mold 2 and the cup 502 through the glue passing hole 503, and the lamp cup body 5 is divided into the lamp cap 501 and the cup 502 through the glue passing hole 503.
The radial section of the lamp holder 501 is a non-right circular section, so that the smoothness of the threaded structure 5011 of the lamp holder 501 when assembled with a lamp holder can be ensured, and meanwhile, the influence of the step difference of the mold closing line area of the lamp holder 501 on the assembly size of the lamp cup can be reduced.
The side of the slider mechanism 3, which faces the lamp holder 501, is provided with a thread molding portion 301 adapted to the lamp holder, the thread molding portion 301 abuts against the outer periphery of the lamp holder 501, and in the integral lamp cup injection molding process, the lamp holder 501 is subjected to secondary stretching to form a thread structure 5011 identical to the thread molding portion 301.
Example 3
One embodiment of an integrated lamp cup as shown in fig. 1 to 10 includes: the lamp cup body 5 comprises a lamp cap 501 and a cup 502, wherein a first insulating part 10 is arranged inside the lamp cap 501, and a second insulating part 11 is arranged outside the cup 502.
As shown in fig. 8 and 9, the lamp cup body 5 is provided with a plurality of glue passing holes 503, and the total area of the glue passing holes 503 accounts for 10% -60% of the area of the lamp cup body 5 between the first outer sealing glue position 8 and the second inner sealing glue position 7. The smaller the number of holes of the via hole 503 is, the larger the ratio of the total area of the via hole 503 to the area of the lamp cup body 5 is, the larger the number of holes of the via hole 503 is, the smaller the ratio of the total area of the via hole 503 to the area of the lamp cup body 5 is, and the mechanical strength of the lamp cup and the obvious degree of the external welding line (clamping line) can be ensured by controlling the ratio of the total area of the via hole 503 to the area of the lamp cup body 5.
It will be appreciated that the first and second locations 8, 7 are not isolated locations themselves, but are two annular areas. Meanwhile, the area between the first outer sealing glue position 8 and the second inner sealing glue position 7 is an area arranged between two annular areas.
The number of the via holes 503 is not limited, and may be set according to actual needs. For example, the via 503 may be one, two, three, etc.
The plurality of glue passing holes 503 are uniformly distributed on the lamp cup body 5, which is helpful for uniformly distributing the insulating material on the cup body 502 and improving the appearance quality of the lamp cup.
The glue through hole 503 is disposed between the lamp cap 501 and the cup 502. The insulating material between the lamp cap 501 and the rear mold core 1 flows to the area between the front mold 2 and the cup 502 through the glue passing hole 503, and the lamp cup body 5 is divided into the lamp cap 501 and the cup 502 through the glue passing hole 503.
The radial section of the lamp holder 501 is a non-right circular section, so that the smoothness of the threaded structure 5011 of the lamp holder 501 when assembled with a lamp holder can be ensured, and meanwhile, the influence of the step difference of the mold closing line area of the lamp holder 501 on the assembly size of the lamp cup can be reduced.
As shown in fig. 7, a glue inlet 504 is provided at the top of the lamp cap 501 for the insulation material to enter. Because the top end of the lamp cap 501 is a non-visible area, the appearance of the lamp cup is not affected after the product is molded.
As shown in fig. 1, 2 and 9, a side surface of the slider mechanism 3 facing the lamp cap 501 is provided with a thread molding portion 301 adapted to a lamp socket, the thread molding portion 301 abuts against the outer periphery of the lamp cap 501, and the lamp cap 501 is subjected to secondary stretching to form a thread structure 5011 identical to the thread molding portion 301 in the integral lamp cup injection molding process.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (12)
1. A method of manufacturing an integrated lamp cup, comprising:
stamping the conductive blank into a lamp cup body (5) with a lamp cap (501) and a cup body (502);
the lamp cup body (5) is sleeved on a rear mold core (1) of the mold, so that an inner sealing glue position is formed between the cup body (502) and the rear mold core (1), and the inner sealing glue position can prevent insulating materials from entering a region between the cup body (502) and the rear mold core (1);
a front die (2) of a die is sleeved on the periphery of the cup body (502) and is in clearance fit with the lamp cup body (5), so that a sliding block mechanism (3) of the die is abutted against the front die (2) and is attached to the lamp cap (501), a runner mechanism (4) of the die is attached to the top end of the lamp cap (501), an outer sealing glue position is formed between the sliding block mechanism (3) and the runner mechanism (4) and the lamp cap (501), and insulating materials can be prevented from entering a region between the sliding block mechanism (3) and the lamp cap (501) and a region between the runner mechanism (4) and the lamp cap (501);
a plurality of glue passing holes (503) are formed in the lamp cup body (5); the glue passing hole (503) is arranged between the lamp cap (501) and the cup body (502); the insulating material between the lamp cap (501) and the rear mold core (1) flows to the area between the front mold (2) and the cup body (502) through the glue passing hole (503).
2. The method of manufacturing an integrated lamp cup according to claim 1, further comprising:
an insulating material is injected into the lamp cup body (5) through the runner mechanism (4), so that the lamp cap (501) is deformed towards the direction of the sliding block mechanism (3), and a thread structure (5011) is formed.
3. The method of manufacturing an integrated lamp cup according to claim 2, characterized in that the insulating material is injected into the lamp cup body (5) by means of an injection molding machine, the actual injection molding pressure of the nozzle of which injection molding machine is required to satisfy the following formula:
actual injection pressure of nozzle of injection molding machine= (maximum injection pressure of injection molding machine/maximum injection oil pump pressure of injection molding machine) ×screen display pressure.
4. A method of manufacturing an integrated lamp cup according to claim 3, wherein the actual injection pressure of the nozzle of the injection molding machine is greater than the yield strength of the conductive blank and the actual injection pressure of the nozzle of the injection molding machine is less than the tensile strength of the conductive blank.
5. A method of manufacturing an integrated lamp vessel according to any one of claims 2-4, characterized in that the design elongation δ of the lamp cap (501) when the lamp cap (501) is formed into a screw structure (5011) A The following formula needs to be satisfied:
；
；
wherein L is 0 The length of the outer contour line of the axial section when the lamp cap does not form a thread structure; l is the length of the outer contour line of the axial section of the lamp cap after the screw structure is formed; delta is the elongation at break of the conductive blank.
6. The method for manufacturing an integrated lamp cup according to any one of claims 2 to 4, wherein in the step of injecting an insulating material into the lamp cup body (5) through the runner mechanism (4), the runner mechanism (4) is provided with a gate (401), the top end of the lamp cap (501) is provided with a glue inlet (504) adapted to the gate (401), and the insulating material is sequentially injected into the lamp cup body (5) through the gate (401) and the glue inlet (504) in a hot runner manner.
7. The utility model provides a cooperation structure of integration lamp cup and mould which characterized in that includes:
the integrated lamp cup is provided with a lamp cup body (5), wherein the lamp cup body (5) comprises a lamp cap (501) and a cup body (502);
the mold comprises a rear mold core (1), a front mold (2), a sliding block mechanism (3) and a runner mechanism (4), wherein the rear mold core is inserted into the lamp cup body (5), the front mold (2) of the mold is sleeved on the periphery of the cup body (502) and in clearance fit with the lamp cup body (5), the sliding block mechanism (3) of the mold is abutted to the front mold (2) and is attached to the lamp cap (501), the runner mechanism (4) of the mold is attached to the top end of the lamp cap (501), and an external sealing glue position is formed between the sliding block mechanism (3) and the runner mechanism (4) and the lamp cap (501);
the front die (2) and the sliding block mechanism (3) are arranged on the outer side of the lamp cup body (5);
an inner sealing glue position is formed between the cup body (502) and the rear mold core (1), and the inner sealing glue position can prevent insulating materials from entering a region between the cup body (502) and the rear mold core (1);
a first external sealing glue position (8) is formed between the sliding block mechanism (3) and the lamp cap (501);
the first sealing glue position (8) can prevent insulating materials from entering the area between the sliding block mechanism (3) and the lamp cap (501);
a plurality of glue passing holes (503) are formed in the lamp cup body (5); the glue passing hole (503) is arranged between the lamp cap (501) and the cup body (502); the insulating material between the lamp cap (501) and the rear mold core (1) flows to the area between the front mold (2) and the cup body (502) through the glue passing hole (503).
8. The fitting structure according to claim 7, wherein the inner molding compound position comprises a first inner molding compound position (6) formed at a position corresponding to the rear mold core (1) at the lower end of the cup body (502), and a second inner molding compound position (7) formed at a position corresponding to the rear mold core (1) at the upper end of the cup body (502).
9. The matching structure according to claim 8, wherein the runner mechanism (4) is disposed at a position corresponding to the glue inlet (504) of the integrated lamp cup, and a second sealing glue position (9) is formed between the runner mechanism (4) and the lamp cap (501).
10. The fitting structure according to claim 9, wherein the total area of the plurality of glue passing holes (503) accounts for 10% -60% of the area of the lamp cup body (5) between the first outer sealing glue position (8) and the second inner sealing glue position (7).
11. The mating structure according to any of claims 7-10, characterized in that the radial cross-section of the burner (501) is a non-right circular cross-section.
12. The fitting structure according to claim 11, characterized in that the side of the slider mechanism (3) facing the lamp cap (501) is provided with a thread molding portion (301) adapted to the lamp holder, the thread molding portion (301) is abutted against the outer periphery of the lamp cap (501), and the lamp cap (501) is subjected to secondary stretching to form the same thread structure (5011) as the thread molding portion (301) in the process of injection molding of the integrated lamp cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/077156 WO2019170101A1 (en) | 2018-03-06 | 2019-03-06 | Method for manufacturing integrated lamp cup, and structure for fit between integrated lamp cup and mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810182650.0A CN108386821A (en) | 2018-03-06 | 2018-03-06 | Integrated Lamp cup and its manufacturing method |
| CN2018101826500 | 2018-03-06 |
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| CN201810182650.0A Pending CN108386821A (en) | 2018-03-06 | 2018-03-06 | Integrated Lamp cup and its manufacturing method |
| CN201811564948.4A Active CN109442351B (en) | 2018-03-06 | 2018-12-20 | Manufacturing method of integrated lamp cup and matching structure of integrated lamp cup and mold |
| CN201822150063.1U Active CN209431347U (en) | 2018-03-06 | 2018-12-20 | The fit structure of integrated Lamp cup and mold |
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| WO (1) | WO2019170101A1 (en) |
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| CN108386821A (en) * | 2018-03-06 | 2018-08-10 | 广东君盛照明科技有限公司 | Integrated Lamp cup and its manufacturing method |
| CN109973841A (en) * | 2019-03-11 | 2019-07-05 | 广东凯晟照明科技有限公司 | The production method of lamp cap and radiator integrated structure |
| CN110081327A (en) * | 2019-04-09 | 2019-08-02 | 江西旺来塑料电器科技有限公司 | A kind of aluminium alloy Lamp cup and its mating mold |
| CN109982484A (en) * | 2019-04-15 | 2019-07-05 | 江西旺来塑料电器科技有限公司 | A kind of Lamp cup with constant-current integrated lamp bead plate |
| CN114055728A (en) * | 2021-11-09 | 2022-02-18 | 东莞市巨成模具有限公司 | Plastic mould core-pulling device |
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- 2018-03-06 CN CN201810182650.0A patent/CN108386821A/en active Pending
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- 2018-12-20 CN CN201822150063.1U patent/CN209431347U/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108386821A (en) | 2018-08-10 |
| CN209431347U (en) | 2019-09-24 |
| WO2019170101A1 (en) | 2019-09-12 |
| CN109442351A (en) | 2019-03-08 |
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