CN115366349B - A burr-proof injection molding mold and high-quality injection molding method - Google Patents
A burr-proof injection molding mold and high-quality injection molding method Download PDFInfo
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- CN115366349B CN115366349B CN202211211031.2A CN202211211031A CN115366349B CN 115366349 B CN115366349 B CN 115366349B CN 202211211031 A CN202211211031 A CN 202211211031A CN 115366349 B CN115366349 B CN 115366349B
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明涉及注塑模具技术领域，具体涉及一种防毛刺注塑成型模具及高质量注塑方法，包括上模具以及下模具；所述上模具的顶部设有上模块；所述下模具的顶部设有下模块；所述上模块与下模块之间形成有成型孔；所述下模具在下模块的底部设有活动腔以及切割板；所述下模块贯穿设有第一穿孔；所述下模具贯穿设有第二穿孔；所述切割板设有切刀；所述下模块内设有夹持组件。本发明通过在产品注塑成型后马上对产品进行切割，无需转运至外部的切割装置中，减少因转运而导致的位置变化从而造成切割不精准的问题；另外通过设置夹持组件，能够将成型孔中的产品进行固定，防止产品的位置发生变化，从而能够对产品进行精准切割，有效地防止产品毛刺的产生。
The present invention relates to the field of injection mold technology, and specifically to a burr-proof injection molding mold and a high-quality injection molding method, comprising an upper mold and a lower mold; an upper module is provided on the top of the upper mold; a lower module is provided on the top of the lower mold; a molding hole is formed between the upper module and the lower module; the lower mold is provided with a movable cavity and a cutting plate at the bottom of the lower module; the lower module is provided with a first through hole; the lower mold is provided with a second through hole; the cutting plate is provided with a cutter; and a clamping assembly is provided in the lower module. The present invention cuts the product immediately after the product is injection molded, without the need to transport it to an external cutting device, thereby reducing the problem of inaccurate cutting caused by position changes caused by transportation; in addition, by providing a clamping assembly, the product in the molding hole can be fixed to prevent the position of the product from changing, so that the product can be accurately cut and the generation of product burrs can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an anti-burr injection molding mold and a high-quality injection molding method.
Background
The mold refers to various molds and tools used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, a mold is a tool for molding an article, which is composed of various parts, and different molds are composed of different parts.
When the plastic product is injection molded, the plastic mold is generally provided with more than two molding holes, the product needs to be cut after injection molding, and bad structures such as burrs and the like are easily damaged in the cutting process, so that the performance of the plastic product can be influenced.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art and provides an anti-burr injection molding die and a high-quality injection molding method.
The invention discloses an anti-burr injection molding die which comprises an upper die and a lower die detachably connected with the upper die, wherein an upper die block is arranged at the top of the upper die, a lower die block is arranged at the top of the lower die, a molding hole is formed between the upper die block and the lower die block, and an injection molding port communicated with the molding hole is formed in the upper die;
The lower die is provided with a movable cavity at the bottom of the lower die block, a cutting plate is movably arranged in the movable cavity in a lifting manner, first perforations are formed in the two sides of the forming hole in a penetrating manner, a second perforation communicated with the first perforations is formed in the lower die in a penetrating manner, and a cutter is arranged on the cutting plate and penetrates through the second perforations and the first perforations;
and a clamping assembly is arranged in the lower module.
The invention is further arranged that the forming holes comprise left forming holes and right forming holes;
the clamping assembly comprises a left driving piece arranged in the lower module, wherein a first left push plate is arranged at the output end of the left driving piece, a first left clamping block is arranged on the first left push plate, the first left clamping block is movably and telescopically arranged in a left forming hole, and the left driving piece, the first left push plate and the first left clamping block are all arranged on one side of the left forming hole;
The clamping assembly further comprises a right driving piece arranged in the lower module, a first right pushing plate is arranged at the output end of the right driving piece, a first right clamping block is arranged on the first right pushing plate, the first right clamping block is movably and telescopically arranged in the right forming hole, and the right driving piece, the first right pushing plate and the first right clamping block are all arranged on one side of the right forming hole.
The invention is further provided with four left forming holes, four forming holes are distributed in a straight line, and four first left clamping blocks are arranged, wherein a first left connecting rod is arranged between each first left clamping block and a first left push plate;
The number of the right forming holes is four, the four right forming holes are distributed in a straight line, the number of the first right clamping blocks is four, and a first right connecting rod is arranged between each first right clamping block and the first right pushing plate.
The invention is further arranged that the clamping assembly also comprises an abutting cylinder arranged in the lower module, wherein the output end of the abutting cylinder is provided with a middle pushing plate;
The other side of the left forming hole is provided with a second left push plate, and the second left push plate is provided with a second left clamping block which is movably and telescopically arranged in the left forming hole;
The other side of the right forming hole is provided with a second right push plate, and the second right push plate is provided with a second right clamping block which is movably and telescopically arranged in the right forming hole;
the middle push plate is used for pushing the second left push plate and the second right push plate to move simultaneously.
The invention further provides that the second left push plate and the second right push plate are respectively arranged on two sides of the middle push plate, a first inclined plane is arranged on one side of the middle push plate, a second inclined plane matched with the first inclined plane is arranged on the second left push plate, a third inclined plane is arranged on the other side of the middle push plate, and a fourth inclined plane matched with the third inclined plane is arranged on the second right push plate.
The invention further provides that a left fixed block and a right fixed block are arranged in the lower module, a left reset spring is arranged between the left fixed block and the second left push plate, and a right reset spring is arranged between the right fixed block and the second right push plate.
The invention is further provided with four left forming holes, four left forming holes are distributed in a straight line, and four second left clamping blocks are arranged, wherein a second left connecting rod is arranged between each second left clamping block and a second left pushing plate;
The number of the right forming holes is four, the four right forming holes are distributed in a straight line, the number of the second right clamping blocks is four, and a second right connecting rod is arranged between each second right clamping block and the second right pushing plate.
The invention is further arranged that the lower die is provided with a through hole at the bottom of the cutting plate.
The invention further provides that the lower die is provided with a guide sleeve in the movable cavity, the cutting plate is provided with a guide rod which is in sliding connection with the guide sleeve, and the guide rod is sleeved with a buffer spring.
A high-quality injection molding method of an anti-burr injection molding mold comprises the following steps:
S1, closing the upper die and the lower die;
s2, injecting plastic material into the molding holes from the injection molding openings;
S3, opening the upper die and the lower die;
S4, clamping the product in the forming hole by the clamping assembly;
S5, lifting the cutting plate, so that the cutter sequentially passes through the second perforation and the first perforation and then cuts the product;
s6, taking out the cut product.
The invention has the beneficial effects that the product is cut immediately after injection molding, the product is not required to be transferred into an external cutting device, the problem of inaccurate cutting caused by position change caused by transfer is reduced, in addition, the product in the molding hole can be fixed by arranging the clamping component, and the position of the product is prevented from changing in the cutting process, so that the product can be accurately cut, and burrs of the product are effectively prevented.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of a lower module of the present invention;
The device comprises a lower module, 11, a left fixed block, 12, a right fixed block, 13, a left reset spring, 14, a right reset spring, 15, a first through hole, 2, an upper module, 21, a left forming hole, 22, a right forming hole, 3, a cutting plate, 31, a cutter, 32, a guide rod, a buffer spring, 41, an upper die, 42, a lower die, 43, an injection port, 44, a movable cavity, 45, a second through hole, 46, a through hole, 47, a guide sleeve, 51, a left driving piece, 52, a first left push plate, 53, a first left clamping block, 54, a first left connecting rod, 61, a right driving piece, 62, a first right push plate, 63, a first right clamping block, 64, a first right connecting rod, 71, a bearing cylinder, 72, a middle push plate, 73, a first inclined plane, 74, a third inclined plane, 81, a second left push plate, 82, a second left clamping block, 83, a second left connecting rod, 84, a second inclined plane, 91, a second right push plate, 92, a second right clamping block, 93 and a fourth inclined plane.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 and 2, the anti-burr injection molding mold according to the present embodiment includes an upper mold 41 and a lower mold 42 detachably connected with the upper mold 41, wherein an upper mold 2 is provided at the top of the upper mold 41, a lower mold 1 is provided at the top of the lower mold 42, a molding hole is formed between the upper mold 2 and the lower mold 1, and an injection molding port 43 communicating with the molding hole is provided in the upper mold 41;
The lower die 42 is provided with a movable cavity 44 at the bottom of the lower die 1, a cutting plate 3 is arranged in the movable cavity 44 in a lifting and moving mode, the lower die 1 is provided with first through holes 15 in a penetrating mode at two sides of a forming hole, the lower die 42 is provided with second through holes 45 communicated with the first through holes 15 in a penetrating mode, the cutting plate 3 is provided with a cutter 31, and the cutter 31 is arranged in the second through holes 45 and the first through holes 15 in a penetrating mode;
a clamping assembly is arranged in the lower module 1.
Specifically, in the anti-burr injection molding mold according to the present embodiment, when in use, the upper mold 41 and the lower mold 42 are clamped, then plastic material is injected into the molding hole from the injection port 43, after a period of time, the product is injection molded, then the upper mold 41 and the lower mold 42 are opened, at this time, the clamping assembly clamps the product in the molding hole, then the cutting plate 3 is lifted, the cutting knife 31 sequentially passes through the second perforation 45 and the first perforation 15, then the product is cut, and the product is taken out after the cutting is completed;
In addition, the clamping assembly is arranged, so that the product in the forming hole can be fixed, the position of the product is prevented from changing in the cutting process, the product can be accurately cut, and burrs of the product are effectively prevented.
The molding hole comprises a left molding hole 21 and a right molding hole 22;
The clamping assembly comprises a left driving piece 51 arranged in the lower module 1, a first left push plate 52 is arranged at the output end of the left driving piece 51, a first left clamping block 53 is arranged on the first left push plate 52, the first left clamping block 53 is movably and telescopically arranged in the left forming hole 21, and the left driving piece 51, the first left push plate 52 and the first left clamping block 53 are all arranged on one side of the left forming hole 21;
the clamping assembly further comprises a right driving piece 61 arranged in the lower module 1, a first right pushing plate 62 is arranged at the output end of the right driving piece 61, a first right clamping block 63 is arranged on the first right pushing plate 62, the first right clamping block 63 is movably and telescopically arranged in the right forming hole 22, and the right driving piece 61, the first right pushing plate 62 and the first right clamping block 63 are all arranged on one side of the right forming hole 22.
Specifically, after injection molding, the product is respectively in the left molding hole 21 and the right molding hole 22, and before the cutter 31 cuts, the left driving piece 51 and the right driving piece 61 respectively work to respectively push the first left clamping block 53 to extend into the left molding hole 21 and push the first right clamping block 63 to extend into the right molding hole 22, so as to clamp the plastic product, prevent shaking in the cutting process, and play a role in accurate cutting.
The number of the left molding holes 21 is four, the four molding holes are distributed in a straight line, the number of the first left clamping blocks 53 is four, and a first left connecting rod 54 is arranged between each first left clamping block 53 and the first left pushing plate 52;
The number of the right forming holes 22 is four, the four right forming holes 22 are distributed in a straight line, the number of the first right clamping blocks 63 is four, and a first right connecting rod 64 is arranged between each first right clamping block 63 and the first right pushing plate 62.
Specifically, with the above arrangement, costs can be saved, and space can be saved by pushing the plurality of first left clamp blocks 53 by one first left push plate 52 and pushing the plurality of first right clamp blocks 63 by one first right push plate 62.
The anti-burr injection molding mold of the embodiment further comprises an abutting cylinder 71 arranged in the lower module 1, wherein the output end of the abutting cylinder 71 is provided with a middle push plate 72;
A second left push plate 81 is arranged on the other side of the left forming hole 21, and a second left clamping block 82 is arranged on the second left push plate 81, wherein the second left clamping block 82 is movably and telescopically arranged in the left forming hole 21;
The other side of the right forming hole 22 is provided with a second right push plate 91, the second right push plate 91 is provided with a second right clamping block 92, and the second right clamping block 92 is movably and telescopically arranged in the right forming hole 22;
the middle push plate 72 is used for pushing the second left push plate 81 and the second right push plate 91 to move simultaneously.
Specifically, before the cutter 31 performs cutting, the left driving piece 51 and the right driving piece 61 are respectively operated, and simultaneously the abutting air cylinder 71 is started, and the second left pushing plate 81 and the second right pushing plate 91 are respectively pushed to move to the left forming hole 21 and the right forming hole 22 while the middle pushing plate 72 is pushed to advance by the abutting air cylinder 71, so that the plastic product is clamped between the first left clamping block 53 and the second left clamping block 82, and the plastic product is clamped between the first right clamping block 63 and the second right clamping block 92, and the stability of the plastic product is further enhanced.
In the anti-burr injection molding mold of the embodiment, the second left push plate 81 and the second right push plate 91 are respectively arranged at two sides of the middle push plate 72, a first inclined surface 73 is arranged at one side of the middle push plate 72, a second inclined surface 84 matched with the first inclined surface 73 is arranged on the second left push plate 81, a third inclined surface 74 is arranged at the other side of the middle push plate 72, and a fourth inclined surface 94 matched with the third inclined surface 74 is arranged on the second right push plate 91.
By the above arrangement, the middle push plate 72 pushes the second left push plate 81 and the second right push plate 91 to move toward the left molding hole 21 and the right molding hole 22, respectively, while advancing.
In the anti-burr injection molding mold of the embodiment, a left fixing block 11 and a right fixing block 12 are arranged in the lower module 1, a left return spring 13 is arranged between the left fixing block 11 and the second left push plate 81, and a right return spring 14 is arranged between the right fixing block 12 and the second right push plate 91.
The second left push plate 81 and the second right push plate 91 are facilitated to be reset by the above arrangement.
The number of the left molding holes 21 is four, the four left molding holes 21 are distributed in a straight line, the number of the second left clamping blocks 82 is four, and a second left connecting rod 83 is arranged between each second left clamping block 82 and the second left pushing plate 81;
the number of the right forming holes 22 is four, the four right forming holes 22 are distributed in a straight line, the number of the second right clamping blocks 92 is four, and a second right connecting rod 93 is arranged between each second right clamping block 92 and the second right pushing plate 91.
Specifically, with the above arrangement, costs can be saved, and space can be saved by pushing the plurality of second left clamp blocks 82 by one second left push plate 81 and pushing the plurality of second right clamp blocks 92 by one second right push plate 91. Wherein the right driving member 61 and the left driving member 51 are both cylinders.
In the anti-burr injection molding mold of the embodiment, the lower mold 42 is provided with a through hole 46 at the bottom of the cutting plate 3. The above arrangement facilitates the lifting of the cutting plate 3 by the external cylinder passing through the through hole 46.
In the anti-burr injection molding mold of the embodiment, a guide sleeve 47 is arranged in the movable cavity 44 of the lower mold 42, the cutting plate 3 is provided with a guide rod 32 which is in sliding connection with the guide sleeve 47, and a buffer spring 33 is sleeved outside the guide rod 32. The guiding sleeve 47 and the guiding rod 32 are arranged to guide the lifting of the cutting plate 3, and the buffer spring 33 is arranged to reset and buffer.
The high-quality injection molding method of the anti-burr injection molding mold of the embodiment comprises the following steps:
S1, clamping an upper die 41 and a lower die 42;
s2, injecting plastic material into the molding holes from the injection molding openings 43;
S3, opening the upper die 41 and the lower die 42;
S4, clamping the product in the forming hole by the clamping assembly;
s5, the cutting plate 3 is lifted, so that the cutter 31 sequentially passes through the second perforation 45 and the first perforation 15 to cut the product;
s6, taking out the cut product.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The burr-proof injection molding die is characterized by comprising an upper die (41) and a lower die (42) detachably connected with the upper die (41), wherein an upper die block (2) is arranged at the top of the upper die (41), a lower die block (1) is arranged at the top of the lower die (42), a molding hole is formed between the upper die block (2) and the lower die block (1), and an injection molding port (43) communicated with the molding hole is formed in the upper die (41);
The lower die (42) is provided with a movable cavity (44) at the bottom of the lower die (1), a cutting plate (3) is movably arranged in the movable cavity (44) in a lifting mode, first through holes (15) are formed in the lower die (1) in a penetrating mode on two sides of a forming hole, second through holes (45) communicated with the first through holes (15) are formed in the lower die (42) in a penetrating mode, the cutting plate (3) is provided with a cutter (31), and the cutter (31) is arranged in the second through holes (45) and the first through holes (15) in a penetrating mode;
a clamping assembly is arranged in the lower module (1);
The forming holes comprise left forming holes (21) and right forming holes (22);
the clamping assembly comprises a left driving piece (51) arranged in the lower module (1), a first left push plate (52) is arranged at the output end of the left driving piece (51), a first left clamping block (53) is arranged on the first left push plate (52), the first left clamping block (53) is movably and telescopically arranged in a left forming hole (21), and the left driving piece (51), the first left push plate (52) and the first left clamping block (53) are arranged on one side of the left forming hole (21);
The clamping assembly further comprises a right driving piece (61) arranged in the lower module (1), a first right pushing plate (62) is arranged at the output end of the right driving piece (61), a first right clamping block (63) is arranged on the first right pushing plate (62), the first right clamping block (63) is movably and telescopically arranged in the right forming hole (22), and the right driving piece (61), the first right pushing plate (62) and the first right clamping block (63) are all arranged on one side of the right forming hole (22);
The clamping assembly further comprises an abutting cylinder (71) arranged in the lower module (1), wherein a middle push plate (72) is arranged at the output end of the abutting cylinder (71);
a second left push plate (81) is arranged on the other side of the left forming hole (21), the second left push plate (81) is provided with a second left clamping block (82), and the second left clamping block (82) is movably and telescopically arranged in the left forming hole (21);
A second right push plate (91) is arranged at the other side of the right forming hole (22), the second right push plate (91) is provided with a second right clamping block (92), and the second right clamping block (92) is movably and telescopically arranged in the right forming hole (22);
The middle push plate (72) is used for pushing the second left push plate (81) and the second right push plate (91) to move simultaneously;
The second left push plate (81) and the second right push plate (91) are respectively arranged at two sides of the middle push plate (72), a first inclined surface (73) is arranged at one side of the middle push plate (72), a second inclined surface (84) matched with the first inclined surface (73) is arranged on the second left push plate (81), a third inclined surface (74) is arranged at the other side of the middle push plate (72), and a fourth inclined surface (94) matched with the third inclined surface (74) is arranged on the second right push plate (91);
The lower die (42) is provided with a through hole (46) at the bottom of the cutting plate (3).
2. The anti-burr injection molding mold according to claim 1 is characterized in that the number of the left molding holes (21) is four, the four molding holes are distributed in a straight line, the number of the first left clamping blocks (53) is four, and a first left connecting rod (54) is arranged between each first left clamping block (53) and a first left pushing plate (52);
The number of the right forming holes (22) is four, the four right forming holes (22) are distributed in a straight line, the number of the first right clamping blocks (63) is four, and a first right connecting rod (64) is arranged between each first right clamping block (63) and the first right pushing plate (62).
3. The burr-proof injection molding mold according to claim 1 is characterized in that a left fixing block (11) and a right fixing block (12) are arranged in the lower module (1), a left return spring (13) is arranged between the left fixing block (11) and the second left pushing plate (81), and a right return spring (14) is arranged between the right fixing block (12) and the second right pushing plate (91).
4. The anti-burr injection molding mold according to claim 1, wherein the number of the left molding holes (21) is four, the four left molding holes (21) are distributed in a straight line, the number of the second left clamping blocks (82) is four, and a second left connecting rod (83) is arranged between each second left clamping block (82) and a second left pushing plate (81);
The number of the right forming holes (22) is four, the four right forming holes (22) are distributed in a straight line, the number of the second right clamping blocks (92) is four, and a second right connecting rod (93) is arranged between each second right clamping block (92) and the second right pushing plate (91).
5. The anti-burr injection molding mold according to claim 1, wherein the lower mold (42) is provided with a guide sleeve (47) in a movable cavity (44), the cutting plate (3) is provided with a guide rod (32) in sliding connection with the guide sleeve (47), and a buffer spring (33) is sleeved outside the guide rod (32).
6. A high-quality injection molding method based on the burr-proof injection molding mold according to any one of claims 1 to 5, characterized by comprising the following steps:
S1, clamping an upper die (41) and a lower die (42);
s2, injecting plastic material into the molding holes from the injection molding opening (43);
s3, opening the upper die (41) and the lower die (42);
S4, clamping the product in the forming hole by the clamping assembly;
s5, the cutting plate (3) ascends, so that the cutter (31) sequentially passes through the second perforation (45) and the first perforation (15) to cut the product;
s6, taking out the cut product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211031.2A CN115366349B (en) | 2022-09-30 | 2022-09-30 | A burr-proof injection molding mold and high-quality injection molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211031.2A CN115366349B (en) | 2022-09-30 | 2022-09-30 | A burr-proof injection molding mold and high-quality injection molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115366349A CN115366349A (en) | 2022-11-22 |
| CN115366349B true CN115366349B (en) | 2025-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211211031.2A Active CN115366349B (en) | 2022-09-30 | 2022-09-30 | A burr-proof injection molding mold and high-quality injection molding method |
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| CN (1) | CN115366349B (en) |
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| CN218488974U (en) * | 2022-09-30 | 2023-02-17 | 金宝通电器(东莞)有限公司 | Prevent burr injection moulding mould |
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| CN114228047A (en) * | 2021-11-25 | 2022-03-25 | 上海超强精密模具有限公司 | Injection mold of tubulose cosmetics packaging product |
| CN216990887U (en) * | 2021-12-16 | 2022-07-19 | 天津开发区精锐精密模具有限公司 | Positioning tool for mold production and machining |
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| CN113997513A (en) * | 2021-10-23 | 2022-02-01 | 上海鼎瑞模具科技有限公司 | Injection mold with unhairing limit function |
| CN218488974U (en) * | 2022-09-30 | 2023-02-17 | 金宝通电器(东莞)有限公司 | Prevent burr injection moulding mould |
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