CN107521024B - Lamp cap shell screw forming die - Google Patents
Lamp cap shell screw forming die Download PDFInfo
- Publication number
- CN107521024B CN107521024B CN201710770648.0A CN201710770648A CN107521024B CN 107521024 B CN107521024 B CN 107521024B CN 201710770648 A CN201710770648 A CN 201710770648A CN 107521024 B CN107521024 B CN 107521024B
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- Prior art keywords
- lower die
- plate
- die
- upper die
- positioning
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- 230000007704 transition Effects 0.000 claims abstract description 13
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C2043/3665—Moulds for making articles of definite length, i.e. discrete articles cores or inserts, e.g. pins, mandrels, sliders
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
- B29C2043/5007—Removing moulded articles using cores, i.e. the cores forming part of the mould cavity
- B29C2043/5015—Removing moulded articles using cores, i.e. the cores forming part of the mould cavity having undercuts or being threaded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/747—Lightning equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a lamp cap cover shell screw forming die, which comprises an upper die assembly and a lower die assembly; the upper die assembly comprises an upper die seat, an upper die base plate and an upper die plate, wherein two rows of symmetrically arranged upper die cores are convexly arranged at the lower end of the upper die plate; the lower die assembly comprises a lower die plate, a lower die backing plate and a lower die seat, wherein a lower die core is arranged on the lower die plate, two rows of symmetrically arranged lower die core holes are concavely arranged on the lower die core, a plurality of movable blocks are arranged on two sides of the lower die backing plate, and each movable block is connected with or formed with a half-thread forming block; the lower die cushion plate is provided with a positioning groove, the lower die cushion plate is provided with a transition hole, the top end of the transition hole is connected to the bottom end of the positioning groove, a thimble is arranged in the transition hole, and the upper die core is embedded into the corresponding lower die core hole; therefore, the double-row die core assembly has the advantages that the safety and the reliability of the lamp are guaranteed, the processing capacity is improved through the double-row die core assembly, the whole structure is ingenious and reasonable, the manufacturing unit price of parts is low, the manufacturing cost of the whole die is low, and the double-row die is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a lamp cap cover shell screw forming die.
Background
In the prior art, a plurality of compression molding molds are designed for the lamp cap shell, wherein, for connecting the lamp and the lamp holder, a traditional connection mode of full threads is mostly adopted, and a connection mode without threads is also adopted; the screw port of the full thread connection mode needs to be subjected to full HALF mold treatment, the mold is usually overlarge in size, the mold manufacturing cost is high, the number of products is small, the productivity is low, the product unit price is high, and the full HALF mold is not suitable for popularization and use, so that the competitiveness of enterprises is affected; the screw connection mode is that a sliding block does not need to be manufactured, but the screw is riveted by a PIN needle point, so that the overall safety and reliability of the lamp are low, the risk that the lamp is easy to fall exists, the hanging weight and bending moment of the lamp are difficult to pass through detection, and the efficiency and the productivity of enterprises are affected.
Therefore, a new technology is required to be developed to solve the above-mentioned problems.
Disclosure of Invention
In view of the above, the invention aims at the defects existing in the prior art, and the main purpose of the invention is to provide a lamp cap shell screw forming die which adopts a half-thread forming mode, so that the safety and reliability of a lamp are ensured, meanwhile, the double-row arranged die core groups improve the processing capacity, the whole structure is ingenious and reasonable, the manufacturing unit price of parts is low, the manufacturing cost of the whole die is low, and the die is suitable for popularization and use.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a screw forming die for a lamp cap cover shell comprises an upper die assembly and a lower die assembly which are connected with each other;
the upper die assembly comprises an upper die seat, an upper die cushion plate and an upper die plate which are sequentially arranged from top to bottom, and two rows of symmetrically arranged upper die cores are convexly arranged at the lower end of the upper die plate; one end of the upper die core is embedded into the upper die plate and is fixed in a guard plate between the upper die base and the upper die cushion plate through a connecting column;
the lower die assembly comprises a lower die plate, a lower die backing plate and a lower die holder which are sequentially arranged from top to bottom, a lower die core is arranged on the lower die plate, two rows of symmetrically arranged lower die core holes are concavely arranged on the lower die core, a plurality of movable blocks are movably and symmetrically arranged on two sides of the lower die backing plate, and each movable block is connected with or forms a half-thread forming block; the upper end of the lower die base plate is provided with a positioning groove corresponding to the bottom end of the lower die core, the bottom end of the lower die base plate is provided with a transition hole in an upward concave manner corresponding to the positioning groove, the top end of the transition hole is connected to the bottom end of the positioning groove, a thimble is arranged in the transition hole, the thimble is arranged on the lower die base through the thimble base plate, a positioning plate is further arranged between the lower die plate and the lower die base, and the lower die base plate and the movable block are both positioned and arranged on the positioning plate; one end of the thimble penetrates through the positioning plate;
the upper die core is embedded into the corresponding lower die core hole and is connected with the corresponding positioning groove, and the side surface of the half-thread forming block, the outer surface of the upper die core and the inner surface of the lower die core hole jointly enclose to form a die cavity.
As a preferable scheme, the top of half thread forming block butt in the bottom of last mould benevolence, the bottom one side butt of half thread forming block is in the top of lower mould backing plate, half thread section that is used for fashioned is concavely equipped with towards one side of lower mould benevolence on the half thread forming block, half thread section's opening links up in the bottom of last mould benevolence.
As a preferable scheme, the two sides of the lower die core are provided with first positioning parts, the lower die plate is arranged in a hollow mode, the lower die plate is internally provided with second positioning parts, and the first positioning parts are adapted to the second positioning parts.
As a preferable scheme, the bottom end of the lower template is also provided with a third positioning part, the top end of the movable block is provided with a fourth positioning part, and the fourth positioning part is adapted to the third positioning part.
As a preferable scheme, the third positioning part is a positioning clamping groove, the fourth positioning part is a positioning protruding block, and the positioning protruding block is embedded into the positioning clamping groove.
As a preferable scheme, the half-thread forming block comprises a main body part and a forming part integrally formed at one side of the main body part, and the forming part is connected at one side of the bottom end of the lower die core; the main body part is provided with first location step, is provided with the second location step on the corresponding movable block, first location step adaptation is in the second location step.
As a preferable scheme, the top end of the ejector pin is provided with an ejection part for ejecting a product, and correspondingly, the bottom end of the upper die core is provided with a concave position, and the ejection part is matched with the concave position.
As a preferable scheme, a fixed plate is arranged in the guard plate, the connecting columns are embedded in the fixed plate, and the upper die plate, the upper die base plate and the fixed plate are connected together through screws.
As a preferable scheme, a space is reserved between the fixing plate and the upper die cushion plate.
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular, the technical scheme mainly adopts a half-thread forming mode, so that the safety and the reliability of the lamp are ensured, meanwhile, the upper die core and the lower die core which are arranged in double rows improve the processing capacity, the whole structure is ingenious and reasonable, the manufacturing unit price of parts is low, the manufacturing cost of the whole die is low, the unit price of products is low, the market competitiveness of enterprises is improved, and the invention is more suitable for popularization and use.
In order to more clearly illustrate the structural features, technical means, and specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is another angular schematic view of the structure shown in FIG. 2;
FIG. 4 is a cross-sectional view of an embodiment of the present invention;
FIG. 5 is another cross-sectional view of an embodiment of the present invention.
The attached drawings are used for identifying and describing:
10. upper die assembly 11, upper die holder
12. Upper die pad 13, upper die plate
14. Upper die core 15 and connecting column
16. Guard plate 17, fixing plate
20. Lower die assembly 21, lower die plate
211. Second positioning portion 212, third positioning portion
22. Lower die pad 221 and positioning groove
222. Transition hole 23, lower die holder
24. Lower die core 241, lower die core hole
242. First positioning part
25. Movable block 251, fourth positioning part
26. Half-thread forming block
27. Thimble 28 and thimble backing plate
29. Positioning plate 30, guide pillar.
Detailed Description
Referring to fig. 1 to 5, there is shown a specific structure of an embodiment of the present invention, which includes an upper die assembly 10 and a lower die assembly 20 connected to each other.
The upper die assembly 10 comprises an upper die holder 11, an upper die cushion plate 12 and an upper die plate 13 which are sequentially arranged from top to bottom, wherein two rows of symmetrically arranged upper die cores 14 are convexly arranged at the lower end of the upper die plate 13; one end of the upper die core 14 is embedded into the upper die plate 13 and is fixed in a guard plate 16 between the upper die base 11 and the upper die cushion plate 12 through a connecting column 15;
the lower die assembly 20 comprises a lower die plate 21, a lower die cushion plate 22 and a lower die holder 23 which are sequentially arranged from top to bottom, wherein a lower die core 24 is arranged on the lower die plate 21, two rows of symmetrically arranged lower die core holes 241 are concavely arranged on the lower die core 24, a plurality of movable blocks 25 are movably and symmetrically arranged on two sides of the lower die cushion plate 22, and each movable block 25 is connected with or formed with a half-thread forming block 26; a positioning groove 221 is formed at the upper end of the lower die backing plate 22 corresponding to the bottom end of the lower die core 24, a transition hole 222 is concavely formed at the bottom end of the lower die backing plate 22 corresponding to the positioning groove 221, the top end of the transition hole 222 is connected to the bottom end of the positioning groove 221, a thimble 27 is arranged in the transition hole 222, the thimble 27 is mounted on the lower die holder 23 through a thimble backing plate 28, a positioning plate 29 is further arranged between the lower die plate 21 and the lower die holder 23, and the lower die backing plate 22 and the movable block 25 are both positioned and mounted on the positioning plate 29; one end of the thimble 27 passes through the positioning plate 29; the upper die core 14 is inserted into the corresponding lower die core hole 241 and engaged in the corresponding positioning groove 221, and the side surface of the half-thread forming block 26, the outer surface of the upper die core 14 and the inner surface of the lower die core hole 241 are co-configured to form a die cavity.
The top of half-thread forming block 26 butt in the bottom of last mould benevolence 14, the bottom one side butt of half-thread forming block 26 is in the top of lower mould bolster 22, half-thread section that is used for the shaping is concaved to the one side towards lower mould benevolence 24 on the half-thread forming block 26, half-thread section's opening links up in the bottom of last mould benevolence 14. Here, when the mold is in a mold closing state, the half thread sections of the half thread forming blocks 26 of the upper and lower mold core groups arranged in two rows are abutted against the material belt, and due to the forming of the half thread form of the half thread forming blocks 26, the screw opening of the lamp cap shell is in a half thread form, so that double-row forming treatment can be simultaneously performed, and the production efficiency is improved; when the die is in the die opening state, the upper die core is opened upwards, and the movable block drives the half-thread forming block to separate from the material belt in the lower die core, so that the die forming is completed.
The two sides of the lower die core 24 are provided with first positioning portions 242, the lower die plate 21 is arranged in a hollow manner, the lower die plate 21 is internally provided with second positioning portions 211, and the first positioning portions 242 are adapted to the second positioning portions 211.
The bottom end of the lower template 21 is also provided with a third positioning part 212, the top end of the movable block 25 is provided with a fourth positioning part 251, and the fourth positioning part 251 is adapted to the third positioning part 212; in this embodiment, the third positioning portion 212 is a positioning slot, the fourth positioning portion 251 is a positioning protrusion, and the positioning protrusion is embedded in the positioning slot.
The half-thread forming block 26 comprises a main body part and a forming part integrally formed at one side of the main body part, and the forming part is connected to one side of the bottom end of the lower die core 24; the main body part is provided with a first positioning step, a second positioning step is arranged on the corresponding movable block 25, and the first positioning step is adapted to the second positioning step.
The top end of the ejector pin 27 is provided with an ejector part for ejecting the product, and correspondingly, the bottom end of the upper die core 14 is provided with a concave position, and the ejector part is adapted to the concave position.
In addition, in this embodiment, a fixing plate 17 is disposed in the guard plate 16, the connecting posts 15 are embedded in the fixing plate 17, and the upper die plate 13, the upper die cushion plate 12 and the fixing plate 17 are connected together by screws; a space is reserved between the fixed plate 17 and the upper die cushion plate 12, and the fixed plate 17 is connected with the upper die cushion plate 12 through a rod body; and, the upper and lower die assemblies 10 and 20 are connected together by guide posts 30.
In summary, the design key point of the invention is that the half thread forming mode is mainly adopted, so that the safety and reliability of the lamp are ensured, meanwhile, the upper die core and the lower die core set which are arranged in double rows improve the processing productivity, the whole structure is ingenious and reasonable, the manufacturing unit price of parts is low, the manufacturing cost of the whole die is low, the unit price of products is low, the market competitiveness of enterprises is improved, and the die is more suitable for popularization and use.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (7)
1. A lamp cap cover shell screw forming die is characterized in that: comprises an upper die assembly and a lower die assembly which are connected with each other; the upper die assembly comprises an upper die seat, an upper die cushion plate and an upper die plate which are sequentially arranged from top to bottom, and two rows of symmetrically arranged upper die cores are convexly arranged at the lower end of the upper die plate; one end of the upper die core is embedded into the upper die plate and is fixed in a guard plate between the upper die base and the upper die cushion plate through a connecting column;
the lower die assembly comprises a lower die plate, a lower die backing plate and a lower die holder which are sequentially arranged from top to bottom, a lower die core is arranged on the lower die plate, two rows of symmetrically arranged lower die core holes are concavely arranged on the lower die core, a plurality of movable blocks are movably and symmetrically arranged on two sides of the lower die backing plate, and each movable block is connected with or forms a half-thread forming block; the upper end of the lower die base plate is provided with a positioning groove corresponding to the bottom end of the lower die core, the bottom end of the lower die base plate is provided with a transition hole in an upward concave manner corresponding to the positioning groove, the top end of the transition hole is connected to the bottom end of the positioning groove, a thimble is arranged in the transition hole, the thimble is arranged on the lower die base through the thimble base plate, a positioning plate is further arranged between the lower die plate and the lower die base, and the lower die base plate and the movable block are both positioned and arranged on the positioning plate; one end of the thimble penetrates through the positioning plate;
the upper die core is embedded into the corresponding lower die core hole and is connected in the corresponding positioning groove, and the side surface of the half-thread forming block, the outer surface of the upper die core and the inner surface of the lower die core hole are jointly enclosed to form a die cavity;
the top end of the half-thread forming block is abutted to the bottom end of the upper die core, one side of the bottom end of the half-thread forming block is abutted to the top end of the lower die base plate, a half-thread section for forming is concavely arranged on one side of the half-thread forming block facing the lower die core, and an opening of the half-thread section is connected to the bottom end of the upper die core;
the two sides of the lower die core are provided with first positioning parts, the lower die plate is arranged in a hollow mode, the lower die plate is internally provided with second positioning parts, and the first positioning parts are adapted to the second positioning parts.
2. The lamp cap shell screw molding die according to claim 1, wherein: the bottom of lower bolster still is equipped with third location portion, the top of movable block is provided with fourth location portion, fourth location portion adaptation is in third location portion.
3. The cap shell screw molding die according to claim 2, wherein: the third positioning part is a positioning clamping groove, the fourth positioning part is a positioning protruding block, and the positioning protruding block is embedded into the positioning clamping groove.
4. The lamp cap bright screw forming die according to claim 1, wherein: the half-thread forming block comprises a main body part and a forming part integrally formed at one side of the main body part, and the forming part is connected to one side of the bottom end of the lower die core; the main body part is provided with first location step, is provided with the second location step on the corresponding movable block, first location step adaptation is in the second location step.
5. The lamp cap shell screw molding die according to claim 1, wherein: the top of thimble is provided with the ejecting portion that is used for ejecting the product, correspondingly, is provided with the concave position in the bottom of last mould benevolence, ejecting portion and concave phase adaptation.
6. The lamp cap shell screw molding die according to claim 1, wherein: the guard plate is internally provided with a fixing plate, the connecting column is embedded into the fixing plate, and the upper die plate, the upper die base plate and the fixing plate are connected together through screws.
7. The lamp cap shell screw molding die according to claim 6, wherein: and a space is reserved between the fixing plate and the upper die cushion plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770648.0A CN107521024B (en) | 2017-08-31 | 2017-08-31 | Lamp cap shell screw forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770648.0A CN107521024B (en) | 2017-08-31 | 2017-08-31 | Lamp cap shell screw forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107521024A CN107521024A (en) | 2017-12-29 |
| CN107521024B true CN107521024B (en) | 2023-12-19 |
Family
ID=60682970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710770648.0A Active CN107521024B (en) | 2017-08-31 | 2017-08-31 | Lamp cap shell screw forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107521024B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000216505A (en) * | 1999-01-26 | 2000-08-04 | Matsushita Electric Works Ltd | Circuit board and metal mold for base member molding thereof |
| KR20010110229A (en) * | 2001-10-16 | 2001-12-12 | 나우주 | Core change type injection mold |
| CN2705295Y (en) * | 2004-06-02 | 2005-06-22 | 苏州求是支护器材有限公司 | Processing device for anchor rod |
| KR101215397B1 (en) * | 2011-12-09 | 2012-12-26 | 대일엠티에스 주식회사 | Mold for injection molding |
| CN206242395U (en) * | 2016-12-12 | 2017-06-13 | 江西佰仕通电子科技有限公司 | A kind of Wen Mian India rule lower casing processing mold of charger |
| CN207310371U (en) * | 2017-08-31 | 2018-05-04 | 鹰潭阳光照明有限公司 | Lamp cap cover shell screw socket molding die |
-
2017
- 2017-08-31 CN CN201710770648.0A patent/CN107521024B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000216505A (en) * | 1999-01-26 | 2000-08-04 | Matsushita Electric Works Ltd | Circuit board and metal mold for base member molding thereof |
| KR20010110229A (en) * | 2001-10-16 | 2001-12-12 | 나우주 | Core change type injection mold |
| CN2705295Y (en) * | 2004-06-02 | 2005-06-22 | 苏州求是支护器材有限公司 | Processing device for anchor rod |
| KR101215397B1 (en) * | 2011-12-09 | 2012-12-26 | 대일엠티에스 주식회사 | Mold for injection molding |
| CN206242395U (en) * | 2016-12-12 | 2017-06-13 | 江西佰仕通电子科技有限公司 | A kind of Wen Mian India rule lower casing processing mold of charger |
| CN207310371U (en) * | 2017-08-31 | 2018-05-04 | 鹰潭阳光照明有限公司 | Lamp cap cover shell screw socket molding die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107521024A (en) | 2017-12-29 |
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