Injection molding device for vehicle-mounted sterilizing lamp

Abstract

The utility model provides a vehicle-mounted sterilizing lamp injection molding device which comprises a bottom plate, a fixed mold, a demolding mechanism, a movable mold, a panel, a feeding nozzle and a flow dividing mechanism, and further comprises a fixed mold core and a movable mold core, a plurality of convex molds are arranged on the fixed mold core, and a plurality of concave molds corresponding to the convex molds are formed on the movable mold core; the input end of the shunting mechanism is communicated with the feeding nozzle; when the fixed mold and the movable mold are closed, all the male molds and all the female molds jointly define a plurality of injection molding cavities, molten plastic is injected into the mold from the feeding nozzle and input into the multiple injection molding cavities through the flow dividing mechanism, and a plurality of vehicle-mounted disinfection lamp accessories are formed after cooling. According to the device, the base, the lamp holder, the lampshade and the switch key can be formed at a time, a complete vehicle-mounted sterilizing lamp finished product can be obtained only by additionally arranging electronic components in the assembling process, the main body structure of the required product can be obtained only through one set of mold, the manufacturing cost is low, and the device is suitable for mass production.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould technical field, in particular to a vehicle-mounted disinfection lamp injection molding device. BACKGROUND

[0002] The ultraviolet lamp is also called ultraviolet disinfection lamp, and the ultraviolet lamp utilizes the ultraviolet light emitted by mercury lamp to realize the sterilization and disinfection function, and the ultraviolet disinfection technology has incomparable sterilization efficiency with other technologies, and the sterilization efficiency can reach 99% to 99.9%. The scientific principle of ultraviolet disinfection is that it mainly acts on the DNA of microorganisms, destroys the DNA structure, makes it lose the function of reproduction and self-replication and thus achieves the purpose of sterilization and disinfection. The ultraviolet sterilization has the advantages of no color, no smell and no chemical substance residue.

[0003] The market appears vehicle-mounted ultraviolet disinfection lamps, such as the Chinese appearance design patent application shown in application No. 202030155158.2, and the current vehicle-mounted ultraviolet disinfection lamps are generally composed of lamp holders, lamp tubes and lamp covers, and in the prior art, the lamp holder and the lamp cover are each equipped with a set of injection mold for production, so that the production efficiency is low and the mold cost is high. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned defects of the prior art, the purpose of the utility model is to provide a vehicle-mounted disinfection lamp injection molding device for solving the problems of low production efficiency and high cost in the prior art.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a vehicle-mounted disinfection lamp injection molding device, which comprises a bottom plate, a fixed mold, a demolding mechanism, a movable mold, a panel, a feeding nozzle and a shunt mechanism, and further comprises:

[0006] The fixed mold core is installed in the fixed mold.

[0007] The movable mold core is installed in the movable mold and is matched with the fixed mold core.

[0008] A plurality of convex molds are arranged on the fixed mold core, and a plurality of concave molds corresponding to the plurality of convex molds are formed on the movable mold core.

[0009] The input end of the shunt mechanism is connected with the feeding nozzle.

[0010] When the fixed mold and the movable mold are closed, all the convex molds and all the concave molds jointly enclose a plurality of injection cavities, the molten plastic is injected into the mold from the feeding nozzle, input into the plurality of injection cavities through the shunt mechanism, and a plurality of vehicle-mounted disinfection lamp accessories are formed after cooling.

[0011] In an embodiment of the utility model, the male die includes a first male die, a second male die, a third male die and a fourth male die, the female die includes a first female die corresponding to the first male die, a second female die corresponding to the second male die, a third female die corresponding to the third male die and a fourth female die corresponding to the fourth male die, when the fixed die and the movable die are closed, the first male die and the first female die jointly enclose a first injection cavity, the second male die and the second female die jointly enclose a second injection cavity, the third male die and the third female die jointly enclose a third injection cavity, and the fourth male die and the fourth female die jointly enclose a fourth injection cavity, molten plastic is injected into the mold from the feed nozzle, is input into the first injection cavity, the second injection cavity, the third injection cavity and the fourth injection cavity respectively through the flow distribution mechanism, and after cooling, a base, a lamp holder, a lampshade and a switch key are formed respectively.

[0012] In an embodiment of the utility model, the flow distribution mechanism includes a main pipe, a first flow distribution pipe, a second flow distribution pipe and a third flow distribution pipe, the main pipe is connected with the feed nozzle, the input end of the first flow distribution pipe and the input end of the second flow distribution pipe are connected with the two end portions of the main pipe respectively, the input end of the third flow distribution pipe is connected with the output end of the second flow distribution pipe, the output end of the first flow distribution pipe is connected with the first injection cavity in communication, and the output end of the third flow distribution pipe is connected with the second injection cavity, the third injection cavity and the fourth injection cavity in communication respectively.

[0013] In an embodiment of the utility model, the vehicle-mounted disinfection lamp injection molding device further includes a movable die mechanism, the movable die mechanism includes a movable die and a push rod, the movable die is slidably installed on the fixed die, and the movable die is a pair of movable dies; the pair of movable dies are symmetrically arranged on the two sides of the first male die, and the push rod is installed on the movable die and matched with the movable die.

[0014] When the fixed die and the movable die are closed, the push rod can drive the pair of movable dies to move close to each other, so that the first male die, the first female die and the pair of movable dies jointly enclose the first injection cavity.

[0015] When the fixed die and the movable die are opened, the push rod can drive the pair of movable dies to move away from each other.

[0016] In an embodiment of the utility model, the fixed die is provided with a first limiting groove matched with the movable die, and the fixed die is provided with a second limiting groove communicated with the first limiting groove and matched with the movable die.

[0017] In an embodiment of the utility model, the movable die is provided with a limiting protrusion, and the other movable die is provided with a third limiting groove matched with the limiting protrusion. Therefore, the limiting protrusion and the third limiting groove can play a guiding role, and the movable die can be quickly and accurately moved.

[0018] In an embodiment of the utility model, one of the pair of movable modules forms a first protrusion, and the other movable module forms a second protrusion, when the fixed die and the movable die are closed, the first protrusion and the second protrusion can contact the first punch. Thus, the first protrusion is arranged to form a power interface mounting hole on the side wall of the base, and the second protrusion is arranged to form a switch key mounting hole on the side wall of the base.

[0019] In an embodiment of the utility model, the top of the third punch forms a third protrusion, and the side wall of the third recess forms a fourth protrusion, when the fixed die and the movable die are closed, the third protrusion can contact the third recess, and the fourth protrusion can contact the third punch. Thus, the third protrusion and the fourth protrusion are arranged to form a lampshade structure with a hollow top and side wall.

[0020] In an embodiment of the utility model, the vehicle-mounted disinfection lamp injection molding device further comprises a first cooling mechanism for cooling the fixed die core, a second cooling mechanism for cooling the movable die core, and a third cooling mechanism for cooling the movable module mechanism, the first cooling mechanism at least comprises a first cooling pipeline arranged on the fixed die core, the second cooling mechanism at least comprises a second cooling pipeline arranged on the movable die core, and the third cooling mechanism at least comprises a third cooling pipeline arranged on the movable module.

[0021] In an embodiment of the utility model, the vehicle-mounted disinfection lamp injection molding device further comprises a demolding mechanism, which is installed between the bottom plate and the fixed die and cooperates with the movable die core to demold the plurality of vehicle-mounted disinfection lamp accessories formed in the injection cavity.

[0022] The demolding mechanism comprises a driving member, a guide assembly, a bearing plate, a mounting plate, and an ejection member, the driving member is installed on the bottom plate and connected with the mounting plate, the mounting plate is installed on the bottom plate, the bearing plate is installed on the mounting plate, the ejection member is installed on the bearing plate and cooperates with the plurality of vehicle-mounted disinfection lamp accessories formed in the injection cavity, and the bearing plate and the mounting plate are movably arranged between the bottom plate and the fixed die through the guide assembly.

[0023] As described above, the vehicle-mounted disinfection lamp injection molding device has the following beneficial effects:

[0024] The injection molding device can form the base, the lamp holder, the lampshade, and the switch key in one time, the four components are main components of the vehicle-mounted disinfection lamp, and only electronic components need to be additionally added during assembly to obtain a complete vehicle-mounted disinfection lamp product, only one set of mold can obtain the main structure of the required product, and the manufacturing cost is low and suitable for mass production. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1It is the explosion structure schematic view of the main body part of the vehicle-mounted disinfection lamp produced by the injection molding device of the utility model;

[0026] Figure 2 It is the explosion structure schematic view of the main body part of the vehicle-mounted disinfection lamp produced by the injection molding device of the utility model;

[0027] Figure 3 It is the three-dimensional structure schematic view of the injection molding device of the utility model;

[0028] Figure 4 It is Figure 3 The explosion structure schematic view of the injection molding device shown in the figure;

[0029] Figure 5 It is the three-dimensional structure schematic view of the fixed mold core of the utility model;

[0030] Figure 6 It is the three-dimensional structure schematic view of the fixed mold of the utility model;

[0031] Figure 7 It is the three-dimensional structure schematic view of the movable mold core of the utility model;

[0032] Figure 8 It is Figure 3 The three-dimensional structure schematic view of the injection molding device after omitting part structure shown in the figure;

[0033] Figure 9 It is Figure 8 The explosion structure schematic view of the injection molding device shown in the figure;

[0034] Figure 10 It is the three-dimensional structure schematic view of one of the movable mold modules of the utility model;

[0035] Figure 11 It is Figure 3 The explosion structure schematic view of the injection molding device as a whole shown in the figure;

[0036] Figure 12 It is Figure 3 The explosion structure schematic view of the injection molding device as a whole shown in the figure;

[0037] Figure 13 It is the three-dimensional structure schematic view of the shunt mechanism of the utility model.

[0038] Figures 1-13: 1 - base plate; 2 - fixed mold; 3 - demolding mechanism; 4 - movable mold; 5 - panel; 6 - feeding nozzle; 7 - distribution mechanism; 8 - first cooling mechanism; 9 - second cooling mechanism; 10 - third cooling mechanism; 11 - movable mold mechanism; 12 - fixed mold core; 13 - movable mold core; 14 - injection cavity; 100 - base; 200 - lamp holder; 300 - lampshade; 400 - switch button; 21 - first limiting groove; 31 - guide assembly; 32 - bearing plate; 33 - mounting plate; 34 - ejector; 71 - main pipe; 72 - first distribution pipe; 73 - second distribution pipe; 74 - third distribution pipe; 81 - first cooling pipe; 91 - second cooling pipe; 101 - third cooling pipe; 111 - movable mold block; 112 - push rod; 121 - male die; 122 - second limiting groove; 123 - sixth protrusion; 131 - female die; 141 - first injection cavity; 142 - second injection cavity; 143 - third injection cavity; 144 - fourth injection cavity; 100a - first mounting hole; 100b - second mounting hole; 200a - buckle structure; 300a - clamping groove structure; 1111 - limiting protrusion; 1112 - third limiting groove; 1113 - first protrusion; 1114 - second protrusion; 1115 - inclined guide hole; 1211 - first male die; 1212 - second male die; 1213 - third male die; 1214 - fourth male die; 1311 - first female die; 1312 - second female die; 1313 - third female die; 1314 - fourth female die; 1212a - fifth protrusion; 1213a - third protrusion; 1312a - groove; 1313a - fourth protrusion. DETAILED DESCRIPTION

[0039] Other advantages and effects of the present application can be easily understood by those skilled in the art from the above description. The present application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0040] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component in actual implementation can be arbitrarily changed, and the layout pattern of the components can also be more complex.

[0041] Please refer to Figures 1-13The utility model provides vehicle-mounted disinfection lamp injection molding device of following embodiment, this vehicle-mounted disinfection lamp injection molding device belongs to manufacturing mould field, can solve the problem of low production efficiency, high cost in prior art.

[0042] As Figures 1-13 The utility model provides one kind of vehicle-mounted disinfection lamp injection molding device.

[0043] The vehicle-mounted disinfection lamp injection molding device at least includes:

[0044] The bottom plate 1 is installed on the bottom plate 1.

[0045] The fixed die 2 is installed on the bottom plate 1.

[0046] The fixed die core 12 is embeddedly installed on the fixed die 2.

[0047] The demolding mechanism 3 is installed on the bottom plate 1 and matched with the fixed die core 12.

[0048] The movable die 4 is matched with the fixed die 2 and can be away from or close to the fixed die 2.

[0049] The movable die core 13 is embeddedly installed on the movable die 4 and matched with the fixed die core 12.

[0050] The panel 5 is installed on the movable die 4 and has a feeding port in the center.

[0051] The feeding nozzle 6 is installed on the feeding port.

[0052] The shunt mechanism 7 is installed on the movable die 4 and the input end is communicated with the feeding nozzle 6.

[0053] When the fixed die 2 and the movable die 4 are closed, the movable die core 13 and the fixed die core 12 form the injection cavity 14, the molten plastic is injected into the mold from the feeding nozzle 6, through the shunt mechanism 7 to the injection cavity 14, so as to form a plurality of vehicle-mounted disinfection lamp accessories.

[0054] The demolding mechanism 3 is located between the bottom plate 1 and the fixed die 2 and is used for demolding the plurality of vehicle-mounted disinfection lamp accessories.

[0055] In the embodiment, a plurality of convex dies 121 are arranged on the fixed die core 12, and a plurality of concave dies 131 corresponding to the plurality of convex dies 121 are formed on the movable die core 13.

[0056] As preferred, the punch 121 comprises a first punch 1211, a second punch 1212, a third punch 1213 and a fourth punch 1214, the recess 131 comprises a first recess 1311 corresponding to the first punch 1211, a second recess 1312 corresponding to the second punch 1212, a third recess 1313 corresponding to the third punch 1213 and a fourth recess 1314 corresponding to the fourth punch 1214, when the fixed die 2 and the movable die 4 are closed, the first punch 1211 and the first recess 1311 jointly form a first injection cavity 141, the second punch 1212 and the second recess 1312 jointly form a second injection cavity 142, the third punch 1213 and the third recess 1313 jointly form a third injection cavity 143, the fourth punch 1214 and the fourth recess 1314 jointly form a fourth injection cavity 144, the molten plastic is injected from the feeding nozzle 6 into the mold, and then is respectively input into the first injection cavity 141, the second injection cavity 142, the third injection cavity 143 and the fourth injection cavity 144 through the distribution mechanism 7, and then forms the base 100, the lamp holder 200, the lampshade 300 and the switch button 400 after cooling.

[0057] In the embodiment, the distribution mechanism 7 comprises a main pipe 71, a first distribution pipe 72, a second distribution pipe 73 and a third distribution pipe 74, the main pipe 71 is connected with the feeding nozzle 6, the input ends of the first distribution pipe 72 and the second distribution pipe 73 are respectively connected with the two end portions of the main pipe 71, the input end of the third distribution pipe 74 is connected with the output end of the second distribution pipe 73, the output end of the first distribution pipe 72 is connected with the first injection cavity 141, and the third distribution pipe 74 is provided with three output nozzles, the output ends of which are respectively connected with the second injection cavity 142, the third injection cavity 143 and the fourth injection cavity 144. Thus, the distribution mechanism 7 can quickly distribute the hot plastic liquid in the molten state from the feeding nozzle 6 into the injection cavity 14, so as to avoid long-time stay.

[0058] In the embodiment, the vehicle-mounted disinfection lamp injection molding device further comprises a movable die mechanism 11, the movable die mechanism 11 comprises a movable die block 111 and a push rod 112, the movable die block 111 is slidably installed on the fixed die 2, and the movable die block 111 is a pair of movable die blocks 111 which are symmetrically arranged on the two sides of the first punch 1211 with the center line of the width direction of the fixed die 2 as the center line, and the push rod 112 is installed on the movable die 4 and cooperates with the movable die block 111;

[0059] The push rod 112 is fixedly installed on the movable die 4 and is in an outwardly inclined state, the movable die block 111 is provided with an inclined guide hole 1115 which is slidably connected with the push rod 112, the movable die 4 drives the push rod 112 to move, and the push rod 112 and the inclined guide hole 1115 are slidably connected, so that the movable die block 111 is driven to slide.

[0060] The push rod 112 is matched with the movable module 111 in the following manner:

[0061] When the fixed mold 2 and the movable mold 4 are closed, the push rod 112 can drive the pair of movable modules 111 to move close to each other, so that the first convex mold 1211, the first concave mold 1311 and the pair of movable modules 111 jointly form a first injection cavity 141.

[0062] When the fixed mold 2 and the movable mold 4 are opened, the push rod 112 can drive the pair of movable modules 111 to move away from each other.

[0063] The movable module 111 is provided with a limiting protrusion 1111, and the other movable module 111 is provided with a third limiting groove 1112 matched with the limiting protrusion 1111. Therefore, the limiting protrusion 1111 and the third limiting groove 1112 can play a guiding role, so that the movable module 111 can move quickly and accurately.

[0064] In this embodiment, one of the pair of movable modules 111 is formed with a first protrusion 1113, and the other movable module 111 is formed with a second protrusion 1114. When the fixed mold 2 and the movable mold 4 are closed, the first protrusion 1113 and the second protrusion 1114 can be in contact with the first convex mold 1211. Therefore, the first protrusion 1113 can form a first mounting hole 100a on the side wall of the base 100 for mounting a power connector, and the second protrusion 1114 can form a second mounting hole 100b on the side wall of the base 100 for mounting a switch button 400.

[0065] Therefore, the movable module mechanism 11 is arranged to form a structure with a cylindrical base 100. By using the movable module mechanism 11, the molding of a model with mounting holes can be realized, which greatly reduces the overall manufacturing cost and difficulty of the mold.

[0066] In this embodiment, the fixed mold 2 is provided with a first limiting groove 21 matched with the movable module 111, and the fixed mold 12 is formed with a second limiting groove 122 communicated with the first limiting groove 21 and matched with the movable module 111. Therefore, the sliding and limiting of the movable module 111 can be realized.

[0067] In this embodiment, the top of the third convex mold 1213 is formed with a third protrusion 1213a, and the side wall of the third concave mold 1313 is formed with a fourth protrusion 1313a. When the fixed mold 2 and the movable mold 4 are closed, the third protrusion 1213a can be in contact with the third concave mold 1313, and the fourth protrusion 1313a can be in contact with the third convex mold 1213. Therefore, the third protrusion 1213a and the fourth protrusion 1313a can form a lampshade 300 structure with hollow top and side wall.

[0068] In the embodiment, the second punch 1212 comprises a fifth protrusion 1212a, and the second recess 1312 is formed with a groove 1312a matched with the fifth protrusion 1212a. When the fixed die 2 and the movable die 4 are closed, the fifth protrusion 1212a and the groove 1312a can form a buckle structure 200a on the outer periphery of the lamp holder 200. The fixed die stem 12 is formed with a sixth protrusion 123, which can be in contact with the third punch 1213 when the fixed die 2 and the movable die 4 are closed. The sixth protrusion 123 can form a clamping groove structure 300a matched with the buckle structure 200a on the lampshade 300. Thus, the lampshade 300 and the lamp holder 200 can be connected by buckling, which facilitates disassembly and assembly.

[0069] In the embodiment, the vehicle disinfection lamp injection molding device further comprises a first cooling mechanism 8 for cooling the fixed die stem 12, a second cooling mechanism 9 for cooling the movable die stem 13, and a third cooling mechanism 10 for cooling the movable die mechanism 11. The first cooling mechanism 8 at least comprises a first cooling pipe 81 arranged on the fixed die stem 12, the second cooling mechanism 9 at least comprises a second cooling pipe 91 arranged on the movable die stem 13, and the third cooling mechanism 10 at least comprises a third cooling pipe 101 arranged on the movable die mechanism 111. Thus, rapid molding is facilitated.

[0070] In the embodiment, the first cooling mechanism 8, the second cooling mechanism 9, and the third cooling mechanism 10 each further comprise a water inlet joint and a water outlet joint. Thus, the flow of cooling water in the fixed die stem 12, the movable die stem 13, and the movable die mechanism 111 is facilitated, so as to quickly remove heat and achieve the effect of rapid cooling, thereby facilitating rapid molding of the model in the injection cavity 14.

[0071] In the embodiment, the demolding mechanism 3 comprises a driving member, a guide assembly 31, a bearing plate 32, a mounting plate 33, and an ejection member 34. The driving member is installed on the bottom plate 1 and cooperates with the mounting plate 33, such as being fixedly connected with the mounting plate 33. The mounting plate 33 is installed on the bottom plate 1. The bearing plate 32 is installed on the mounting plate 33. The ejection member 34 is installed on the bearing plate 32 and cooperates with the vehicle disinfection lamp accessory formed in the injection cavity 14. The bearing plate 32 and the mounting plate 33 are movably arranged between the bottom plate 1 and the fixed die 2 through the guide assembly 31. Thus, when the injection is completed and the movable die 4 is demolded relative to the fixed die 2, the demolding mechanism 3 works. The driving member drives the mounting plate 33, the bearing plate 32 installed on the mounting plate 33, and the ejection member 34 installed on the bearing plate 32 to move together, thereby ejecting the molded vehicle disinfection lamp accessory from the fixed die stem 12 of the fixed die 2, and realizing automatic demolding. The driving member can be a linear driving member such as a pneumatic cylinder or a hydraulic cylinder.

[0072] As preferred, the ejection member 34 can include a plurality of ejection columns corresponding to and spaced apart from a plurality of vehicle-mounted disinfection lamp accessories.

[0073] As described above, the vehicle-mounted disinfection lamp injection molding device has the following beneficial effects:

[0074] 1、The injection molding device can form four components of the base 100, the lamp holder 200, the lampshade 300 and the switch button 400 at one time, the four components are main components of the vehicle-mounted disinfection lamp, and only electronic components need to be additionally added during assembly to obtain a complete vehicle-mounted disinfection lamp product, only one set of mold can obtain the main structure of the required product, and the manufacturing cost is low and the device is suitable for mass production.

[0075] 2、The lampshade 300 with the hollow structure can be processed, and the lampshade 300 is beautiful in appearance and practical.

[0076] 3、The buckle structure 200a can be processed on the lamp holder 200, and the clamping groove structure 300a can be processed on the lampshade 300, so that the detachable connection of the lampshade 300 and the lamp holder 200 is facilitated.

[0077] 4、The mounting hole structure can be processed on the base 100, so that the installation of the switch button 400 and the plug-in interface is facilitated.

[0078] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used for limiting the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A vehicle disinfection lamp injection molding device comprising a base plate (1), a fixed mold (2), a demolding mechanism (3), a movable mold (4), a face plate (5), a feeding nozzle (6) and a flow distribution mechanism (7), characterized in that, Also included are: a fixed die core (12) mounted on the fixed die (2); a movable die core (13) mounted on the movable die (4) and matched with the fixed die core (12); a plurality of male dies (121) are arranged on the fixed die core (12), and a plurality of female dies (131) corresponding to the plurality of male dies (121) are formed on the movable die core (13); an input end of the flow distribution mechanism (7) is in communication with the feeding nozzle (6); when the fixed die (2) and the movable die (4) are closed, a plurality of injection cavities (14) are jointly formed between all the male dies (121) and all the female dies (131), molten plastic is injected into the mold from the feeding nozzle (6), input into the plurality of injection cavities (14) through the flow distribution mechanism (7), and a plurality of vehicle disinfection lamp accessories are formed after cooling.

2. The in-vehicle sanitizing lamp injection molding apparatus of claim 1, wherein, The male dies (121) include a first male die (1211), a second male die (1212), a third male die (1213), and a fourth male die (1214), the female dies (131) include a first female die (1311) corresponding to the first male die (1211), a second female die (1312) corresponding to the second male die (1212), a third female die (1313) corresponding to the third male die (1213), and a fourth female die (1314) corresponding to the fourth male die (1214), when the fixed die (2) and the movable die (4) are closed, a first injection cavity (141) is jointly formed between the first male die (1211) and the first female die (1311), a second injection cavity (142) is jointly formed between the second male die (1212) and the second female die (1312), a third injection cavity (143) is jointly formed between the third male die (1213) and the third female die (1313), and a fourth injection cavity (144) is jointly formed between the fourth male die (1214) and the fourth female die (1314), molten plastic is injected into the mold from the feeding nozzle (6), input into the first injection cavity (141), the second injection cavity (142), the third injection cavity (143), and the fourth injection cavity (144) through the flow distribution mechanism (7) respectively, and a base (100), a lamp holder (200), a lampshade (300), and a switch key (400) are respectively formed after cooling.

3. The in-vehicle sanitizing lamp injection molding apparatus of claim 2, wherein, The shunt mechanism (7) comprises a main pipe (71), a first shunt pipe (72), a second shunt pipe (73) and a third shunt pipe (74), the main pipe (71) is connected with the feeding nozzle (6), the input ends of the first shunt pipe (72) and the second shunt pipe (73) are connected with the two end portions of the main pipe (71) respectively, the input end of the third shunt pipe (74) is connected with the output end of the second shunt pipe (73), the output end of the first shunt pipe (72) is connected with the first injection cavity (141), and the output ends of the third shunt pipe (74) are connected with the second injection cavity (142), the third injection cavity (143) and the fourth injection cavity (144) respectively.

4. The in-vehicle sanitizing lamp injection molding apparatus of claim 2, wherein, Further comprising a movable die mechanism (11), the movable die mechanism (11) comprises a movable die (111) and a push rod (112), the movable die (111) is slidably installed on the fixed die (2), and the movable die (111) is a pair of movable dies which are symmetrically arranged on the two sides of the first convex die (1211), and the push rod (112) is installed on the movable die (4) and cooperates with the movable die (111); When the fixed die (2) and the movable die (4) are closed, the push rod (112) can drive the pair of movable dies (111) to approach each other, so that the first convex die (1211), the first concave die (1311) and the pair of movable dies (111) jointly form the first injection cavity (141); When the fixed die (2) and the movable die (4) are opened, the push rod (112) can drive the pair of movable dies (111) to move away from each other.

5. The in-vehicle sanitization lamp injection molding apparatus of claim 4, wherein, The fixed die (2) is provided with a first limiting groove (21) which cooperates with the movable die (111), and the fixed die core (12) is formed with a second limiting groove (122) which is connected with the first limiting groove (21) and cooperates with the movable die (111).

6. The in-vehicle sanitization lamp injection molding apparatus of claim 4, wherein, The movable die (111) is provided with a limiting protrusion (1111), and the other movable die (111) is provided with a third limiting groove (1112) which cooperates with the limiting protrusion (1111).

7. The in-vehicle sanitization lamp injection molding apparatus of claim 4, wherein, One of the pair of movable dies (111) is formed with a first convex block (1113), and the other movable die (111) is formed with a second convex block (1114), when the fixed die (2) and the movable die (4) are closed, the first convex block (1113) and the second convex block (1114) can contact the first convex die (1211).

8. The in-vehicle sanitization lamp injection molding apparatus of claim 4, wherein, The top of the third punch (1213) is formed with a third protrusion (1213a), and the sidewall of the third recess (1313) is formed with a fourth protrusion (1313a), the third protrusion (1213a) can be in contact with the third recess (1313), and the fourth protrusion (1313a) can be in contact with the third punch (1213) when the fixed die (2) and the movable die (4) are closed.

9. The in-vehicle sanitization lamp injection molding apparatus of any of claims 4-8, wherein, Further comprising a first cooling mechanism (8) for cooling the fixed die core (12), a second cooling mechanism (9) for cooling the movable die core (13), and a third cooling mechanism (10) for cooling the movable die mechanism (11), the first cooling mechanism (8) at least comprises a first cooling pipe (81) arranged on the fixed die core (12), the second cooling mechanism (9) at least comprises a second cooling pipe (91) arranged on the movable die core (13), and the third cooling mechanism (10) at least comprises a third cooling pipe (101) arranged on the movable die mechanism (111).

10. The in-vehicle sanitization lamp injection molding apparatus of any one of claims 1-8, wherein, Further comprising a demolding mechanism (3) installed between the bottom plate (1) and the fixed die (2) and matched with the movable die core (13), for demolding the vehicle-mounted disinfection lamp accessories formed in the injection cavity (14); The demolding mechanism (3) comprises a driving member, a guide assembly (31), a bearing plate (32), a mounting plate (33) and an ejection member (34), the driving member is installed on the bottom plate (1) and connected with the mounting plate (33), the mounting plate (33) is installed on the bottom plate (1), the bearing plate (32) is installed on the mounting plate (33), the ejection member (34) is installed on the bearing plate (32) and matched with the vehicle-mounted disinfection lamp accessories formed in the injection cavity (14), and the bearing plate (32) and the mounting plate (33) are movably arranged between the bottom plate (1) and the fixed die (2) through the guide assembly (31).

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