CN218366192U - Injection mold for fixing screw of lamp - Google Patents

Injection mold for fixing screw of lamp Download PDF

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Publication number
CN218366192U
CN218366192U CN202222462902.XU CN202222462902U CN218366192U CN 218366192 U CN218366192 U CN 218366192U CN 202222462902 U CN202222462902 U CN 202222462902U CN 218366192 U CN218366192 U CN 218366192U
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China
Prior art keywords
plate
die
upper mold
mold
screw
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CN202222462902.XU
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Chinese (zh)
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乔勇
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Changzhou Hengyu Vehicle Parts Co ltd
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Changzhou Hengyu Vehicle Parts Co ltd
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Abstract

The utility model discloses an injection mold of screw of fixed lamps and lanterns, including a plurality of first die cavity subassemblies, a plurality of second die cavity subassemblies down, the at least partly upper die fixing plate that passes of these first die cavity subassemblies, go up the mould benevolence, the at least partly lower mould fixing plate that passes of second die cavity subassembly, the lower mould benevolence, after these first die cavity subassemblies splice with these second die cavity subassemblies, form a plurality of screw die cavities, be equipped with the sprue on the upper die subassembly, the sprue link up to the lower mould benevolence, and form a plurality of tributaries on lower mould benevolence, each tributary communicates with each screw die cavity. The utility model provides a lack the injection mold's of the screw of fixed lamps and lanterns problem among the prior art, improved the quality of screw moreover, reduced the production of waste material.

Description

Injection mold for fixing screw of lamp
Technical Field
The utility model relates to an injection mold technical field, concretely relates to injection mold to the screw of fixed lamps and lanterns.
Background
Along with the requirement of lamp manufacturing, the lamp plate is fixed on the lamp holder by the existing lamp usually through plastic screws, so that the weight of the whole lamp can be reduced, the lamp is more convenient to mount and dismount, and the cost is lower.
As shown in fig. 8, the screw for a lamp includes a head portion 100, a main body portion 101, a waist portion 102, and a tip portion 103, wherein the waist portion 102 is in a shape of a loose cone, and the waist portion 102 further has a groove 104, so that the screw for a lamp has a complicated shape, and in the prior art, a punching device is generally used to perform forced punching, but this way may cause excessive waste, and burrs are generated at the head portion 100, the main body portion 101, the waist portion 102, and the tip portion 103 of the punched screw, thereby affecting the later use of the screw.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an injection mold for lamps and lanterns screw, the utility model discloses an injection moulding effectively improves the quality of screw.
The technical scheme for solving the technical problems is as follows:
an injection mold for lamps and lanterns screw, including last module, lower module, go up module and lower module cooperation, it includes the fixed plate to go up the module, go up mould benevolence, it has first cavity to go up the fixed plate, it is located first cavity to go up the mould benevolence, lower module includes lower fixed plate, lower mould benevolence, lower mould fixed plate has the second cavity, the mould benevolence is located the second cavity down, it still includes a plurality of first die cavity subassemblies to go up the module, lower module still includes a plurality of second die cavity subassemblies, these at least some of first die cavity subassembly pass last fixed plate, go up the mould benevolence, the lower mould fixed plate is passed to at least some of second die cavity subassembly, the lower mould benevolence, these first die cavity subassemblies splice with these second die cavity subassemblies after, form a plurality of screw die cavities, upward be equipped with the sprue on the module, the sprue link up to lower mould benevolence, and form a plurality of tributaries on lower mould benevolence, each tributary communicates with each screw cavity.
Further, go up the mould assembly and still include cope match-plate pattern, upper die base, first locking cooperation board, second locking cooperation board, upper die base one end is connected with the cope match-plate pattern, and the other end is connected with the fixed plate of last mould, and first locking cooperation board, second locking cooperation board are located the inside of upper die base, and are connected with first die cavity subassembly.
Further, the locking mechanism comprises a first connecting block, a second connecting block, a fixing block and a connecting seat, the first connecting block is connected with the first locking matching plate and the second locking matching plate, the fixing block is connected with the first connecting block at one end, the other end of the fixing block is connected with the connecting seat and fixed on the outer surface of the upper die fixing plate, one part of the connecting seat is connected with the upper die fixing plate, the other part of the connecting seat is connected with the lower die fixing plate, and the fixing block is fixed on the outer surface of the upper die fixing plate and matched with the second connecting block.
Furthermore, the lower die assembly further comprises a lower bottom plate, lower die feet, supporting columns, an intermediate plate and a guide column, the bottom plate is connected with the lower die feet, one end of each supporting column is connected with the upper die assembly, the other end of each supporting column is connected with the lower die feet, the intermediate plate is fixed on the bottom plate, the guide column penetrates through the intermediate plate, one end of each guide column is connected with the bottom plate, the other end of each guide column is connected with the upper die assembly, and at least one part of the second cavity assembly is located in the intermediate plate.
The utility model provides an injection mold for lamps and lanterns screw pours into raw and other materials through the sprue on the last mould subassembly into, and during raw and other materials rethread branch flowed into lower mould benevolence, flowed into the screw die cavity that first die cavity subassembly and second die cavity subassembly cooperation formed at last again, formed the screw that is used for lamps and lanterns at last.
The utility model provides a pair of an injection mold one shot injection moulding for lamps and lanterns screw, extravagant raw and other materials still less, and injection efficiency is higher, the screw better quality.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a perspective view of the upper mold fixing plate;
FIG. 3 is a perspective view of the lower die fixing plate;
FIG. 4 is a schematic illustration of a first cavity assembly mated with a second cavity assembly;
fig. 5 is a schematic view of the main runner and the branch flow;
FIG. 6 is a schematic view of a support post and guide post;
FIG. 7 is a schematic view of a locking mechanism;
fig. 8 is a front view of a screw for a light fixture.
Reference numbers in the figures:
the structure comprises an upper die fixing plate 1, a first cavity 1-1, an upper die core 2, a lower die fixing plate 3, a second cavity 3-1, a lower die core 4, a first cavity component 5, a second cavity component 6, a screw cavity 7, a main runner 10, a branch 10-1, an upper die plate 20, an upper die base 21, a first locking matching plate 22, a second locking matching plate 23, a first connecting block 30, a second connecting block 31, a fixing block 32, a connecting seat 33, a lower base plate (40), a lower die pin 41, a supporting column 42, a middle plate 43, a guide column 44, a head 100, a main body part 101, a waist part 102, a tip part 103 and a groove 104.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, an injection mold for lamp screws includes an upper mold assembly and a lower mold assembly, the upper mold assembly is matched with the lower mold assembly, the upper mold assembly includes an upper mold fixing plate 1 and an upper mold core 2, the upper mold fixing plate 1 has a first cavity 1-1, the upper mold core 2 is located in the first cavity 1-1, the lower mold assembly includes a lower mold fixing plate 3 and a lower mold core 4, the lower mold fixing plate 3 has a second cavity 3-1, the lower mold core 4 is located in the second cavity 3-1, the upper mold assembly further includes a plurality of first mold cavity assemblies 5, the lower mold assembly further includes a plurality of second mold cavity assemblies 6, at least a portion of the first mold cavity assemblies 5 penetrates through the upper mold fixing plate 1 and the upper mold core 2, at least a portion of the second mold cavity assemblies 6 penetrates through the lower mold fixing plate 3 and the lower mold core 4, the first mold cavity assemblies 5 are spliced with the second mold cavity assemblies 6 to form a plurality of screw cavities 7, a main runner 10 is arranged on the upper mold assembly, the main runner 10 penetrates through the lower mold core 4, and a plurality of branches 10-1 are formed on the lower mold core 4, and each branch 10-1 is communicated with each screw cavity 7.
In this embodiment, the raw material of the lamp screw is preferably made of PE, nylon, or the like, and is first heated to a liquid state, then injected from the upper mold assembly, and flows into the main channel 10, then distributed to each branch 10-1 through the main channel 10, and then flows into each screw cavity 7 through the branch 10-1, and after the raw material is cooled in the screw cavity 7, the lamp screw is formed.
As shown in fig. 1, the upper die assembly further includes an upper die plate 20, an upper die holder 21, a first locking matching plate 22, and a second locking matching plate 23, one end of the upper die holder 21 is connected to the upper die plate 20, the other end of the upper die holder is connected to the upper die fixing plate 1, and the first locking matching plate 22 and the second locking matching plate 23 are located inside the upper die holder 21 and connected to the first cavity assembly 5.
In the present embodiment, the upper mold plate 21 is provided with an injection port (not shown in the drawings), through which the raw material is injected and then flows into the main runner 10, wherein a connection pipe is provided between the injection port and the main runner 10, and the connection pipe passes through the upper mold base 21 and the upper mold core 2 and reaches the main runner 10 to communicate with the main runner 10.
As shown in fig. 7, the locking device further comprises a locking mechanism, the locking mechanism comprises a first connecting block 30, a second connecting block 31, a fixing block 32 and a connecting seat 33, the first connecting block 30 is connected with the first locking matching plate 22 and the second locking matching plate 23, the fixing block 32 is connected with the first connecting block 30 at one end, the other end is connected with the connecting seat 33 and fixed on the outer surface of the upper die fixing plate 1, one part of the connecting seat 33 is connected with the upper die fixing plate 1, the other part of the connecting seat is connected with the lower die fixing plate 3, and the fixing block 32 is fixed on the outer surface of the upper die fixing plate 1 and matched with the second connecting block 31.
In this embodiment, since the raw materials are heated and then injected into the mold, the upper mold assembly and the lower mold assembly expand due to the thermal expansion and contraction after the raw materials are injected into the mold, and in order to avoid this, a locking mechanism is added between the upper mold assembly and the lower mold assembly.
In this embodiment, a part of the first connecting block 30 is fixed in the grooves of the first locking matching plate 22 and the second locking matching plate 23 by bolts, the other part is located in the groove on the peripheral surface of the upper die fixing plate 1 and connected with the second connecting block 31 by bolts, a part of the second connecting block 31 is located in the groove on the peripheral surface of the upper die fixing plate 1, the other part is fixed on the connecting seat 33 by bolts, a part of the connecting seat 33 is connected with the upper die fixing plate 1, the other part is connected with the lower die fixing plate 3, and the fixing block 32 is mainly used for enhancing the connection strength between the second connecting block 31 and the upper die fixing plate 1; through above-mentioned connected mode, utilize locking mechanism to lock together upper mold fixing plate 1 and lower mould fixed plate 2, when above-mentioned raw and other materials take place the thermal energy in above-mentioned screw die cavity, go up the mould subassembly and just can not separate with lower mould subassembly to avoid causing the screw shaping incomplete.
As shown in fig. 1 and 6, the lower mold assembly further includes a lower base plate 40, a lower mold leg 41, a supporting pillar 42, an intermediate plate 43, and a guiding pillar 44, the base plate 40 is connected to the lower mold leg 41, one end of the supporting pillar 42 is connected to the upper mold assembly, the other end is connected to the lower mold leg 41, the intermediate plate 43 is fixed to the base plate 40, the guiding pillar 44 penetrates through the intermediate plate 43, one end of the guiding pillar is connected to the base plate 40, the other end is connected to the upper mold assembly, and at least a portion of the second cavity assembly 6 is located in the intermediate plate 43.
In this embodiment, the guide post 44 is composed of a post and a spring, the spring is sleeved on the post, and a support post (not shown in the drawing) is disposed on the middle plate 43, and supports the lower mold fixing plate 3 to prevent the lower mold fixing plate 3 from being displaced too much under the condition of thermal expansion, so that the screw cavity 7 is too large, and the injection molding of the screw is unsuccessful.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, not to limit the technical solutions, and not to limit the protection scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (4)

1. The injection mold for fixing the screw of the lamp comprises an upper mold component and a lower mold component, wherein the upper mold component is matched with the lower mold component, the upper mold component comprises an upper mold fixing plate (1) and an upper mold core (2), the upper mold fixing plate (1) is provided with a first concave cavity (1-1), the upper mold core (2) is positioned in the first concave cavity (1-1), the lower mold component comprises a lower mold fixing plate (3) and a lower mold core (4), the lower mold fixing plate (3) is provided with a second concave cavity (3-1), and the lower mold core (4) is positioned in the second concave cavity (3-1); the upper die assembly further comprises a plurality of first die cavity assemblies (5), the lower die assembly further comprises a plurality of second die cavity assemblies (6), at least one part of the first die cavity assemblies (5) penetrates through the upper die fixing plate (1) and the upper die core (2), at least one part of the second die cavity assemblies (6) penetrates through the lower die fixing plate (3) and the lower die core (4), a plurality of screw die cavities (7) are formed after the first die cavity assemblies (5) and the second die cavity assemblies (6) are spliced, a main flow channel (10) is arranged on the upper die assembly, the main flow channel (10) penetrates through the lower die core (4), a plurality of branches (10-1) are formed on the lower die core (4), and each branch (10-1) is communicated with each screw die cavity (7).
2. The injection mold for fixing the screw of the lamp according to claim 1, wherein the upper mold assembly further comprises an upper mold plate (20), an upper mold base (21), a first locking matching plate (22) and a second locking matching plate (23), one end of the upper mold base (21) is connected with the upper mold plate (20), the other end of the upper mold base is connected with the upper mold fixing plate (1), and the first locking matching plate (22) and the second locking matching plate (23) are located inside the upper mold base (21) and are connected with the first cavity assembly (5).
3. The injection mold for fixing the screw of the lamp according to claim 2, further comprising a locking mechanism, wherein the locking mechanism comprises a first connecting block (30), a second connecting block (31), a fixing block (32) and a connecting seat (33), the first connecting block (30) is connected with the first locking matching plate (22) and the second locking matching plate (23), the fixing block (32) is connected with the first connecting block (30) at one end, the other end is connected with the connecting seat (33) and fixed on the outer surface of the upper mold fixing plate (1), one part of the connecting seat (33) is connected with the upper mold fixing plate (1), the other part of the connecting seat is connected with the lower mold fixing plate (3), and the fixing block (32) is fixed on the outer surface of the upper mold fixing plate (1) and matched with the second connecting block (31).
4. The injection mold for fixing the screw of the lamp according to claim 1, wherein the lower mold assembly further comprises a lower bottom plate (40), a lower mold leg (41), a supporting pillar (42), a middle plate (43), and a guiding pillar (44), the bottom plate (40) is connected to the lower mold leg (41), one end of the supporting pillar (42) is connected to the upper mold assembly, the other end of the supporting pillar is connected to the lower mold leg (41), the middle plate (43) is fixed to the bottom plate (40), the guiding pillar (44) passes through the middle plate (43), one end of the guiding pillar is connected to the bottom plate (40), the other end of the guiding pillar is connected to the upper mold assembly, and at least a part of the second cavity assembly (6) is located in the middle plate (43).
CN202222462902.XU 2022-09-18 2022-09-18 Injection mold for fixing screw of lamp Active CN218366192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222462902.XU CN218366192U (en) 2022-09-18 2022-09-18 Injection mold for fixing screw of lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222462902.XU CN218366192U (en) 2022-09-18 2022-09-18 Injection mold for fixing screw of lamp

Publications (1)

Publication Number Publication Date
CN218366192U true CN218366192U (en) 2023-01-24

Family

ID=84952726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222462902.XU Active CN218366192U (en) 2022-09-18 2022-09-18 Injection mold for fixing screw of lamp

Country Status (1)

Country Link
CN (1) CN218366192U (en)

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