CN220883163U - Sliding chute embedded tip structure - Google Patents
Sliding chute embedded tip structure Download PDFInfo
- Publication number
- CN220883163U CN220883163U CN202322655919.1U CN202322655919U CN220883163U CN 220883163 U CN220883163 U CN 220883163U CN 202322655919 U CN202322655919 U CN 202322655919U CN 220883163 U CN220883163 U CN 220883163U
- Authority
- CN
- China
- Prior art keywords
- section
- tip
- section body
- front section
- fixing groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010937 tungsten Substances 0.000 claims abstract description 20
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims description 14
- 239000000463 material Substances 0.000 abstract description 26
- 238000001746 injection moulding Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000012778 molding material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 108091092889 HOTTIP Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model belongs to the technical field of hot runners, and particularly relates to a sliding groove embedded nozzle tip structure. The sectional body is adopted to combine the tip so as to simultaneously meet the requirements of good heat conductivity, high hardness and increase the wear resistance. The tip structure comprises three sections which are combined; the first section body is used for being installed with the hot nozzle, the second section body is used for being installed with the first section body, and the third section body is used for being installed with the first section body and the second section body; the first section body, the second section body and the third section body are assembled and then are arranged at the end part of the hot nozzle. The integral tip structure is changed, a complete tip is formed by disassembling the integral tip into three sections of combined forms, and the effective combination of beryllium copper materials and tungsten steel materials is fully utilized to maximize the tip performance. The three-section combination is the independent first section body, the second section body and the third section body, whichever section body can be independently replaced, and compared with the replacement of the integral tip after damage, the cost is saved.
Description
Technical Field
The utility model belongs to the technical field of hot runners, and particularly relates to a sliding groove embedded nozzle tip structure.
Background
With the wide application of hot runner technology, in the use of hot runners, different injection molding materials have different injection molding characteristics and injection molding processes, and the injection molding temperature is greatly different. Therefore, different injection molding materials have different requirements on the hot runner structure and the material of the fittings. The common hot nozzle tip is made of beryllium copper for good heat conductivity, but the beryllium copper has good heat conductivity but low hardness, so that the hot nozzle tip is suitable for common injection molding materials; the tip of the beryllium copper material is easy to wear when the glass fiber-added material is encountered, and the product quality can be affected after the tip is worn. For engineering materials added with glass fibers, tungsten tips are used for preventing abrasion. The tungsten steel tip is hard and not easy to wear, but has poor heat conductivity. The traditional copper-clad steel tip is characterized in that the whole structure beryllium copper is wrapped on a tungsten steel core, the tip structure is required to be suitable for a large-sized tip with a larger diameter, and the wall thickness strength reason of the small hot tip is not easy to split.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a sliding groove embedded nozzle tip structure, which can simultaneously meet the requirements of good heat conductivity, high hardness and increased wear resistance.
In order to solve the technical problems, the utility model adopts the following technical scheme: a sliding chute embedded tip structure comprises three sections; the first section body is used for being installed with the hot nozzle;
The third section body is used for being installed with the first section body and the second section body; the first section body, the second section body and the third section body are assembled and then are arranged at the end part of the hot nozzle.
Further, the first section body and the second section body are made of beryllium copper, and the third section body is made of tungsten steel.
Further, the end part of the second section body is fixedly connected with the end part of the first section body, and the third section body is arranged in the second section body and movably arranged with the first section body or the second section body.
Further, the first section body is a tip rear section, the second section body is a tip front section, and the third section body is a tip insert; the end face of the tip rear section is fixedly arranged with the end face of the tip front section, and the tip insert penetrates into the tip front section and is movably assembled on the tip rear section or the tip front section.
Further, the rear section and the front section of the tip are made of beryllium copper, and the tip insert is made of tungsten steel.
Further, a rear section butt joint surface is arranged at one end of the rear section of the tip, which is connected with the front section of the tip; the front section of the tip is provided with a front section butt joint surface in contact fit with the rear section butt joint surface; an insert cavity is formed in the front section of the tip; the tip insert is arranged in the insert cavity and is fixed with the tip rear section or the tip front section through a buckling structure.
Further, the buckling structure is characterized in that a rear section fixing groove is circumferentially formed in the inner side of the butt joint surface of the rear section of the tip, and rear section positioning grooves communicated with the rear section fixing groove are symmetrically formed in the rear section fixing groove; the front section of the tip is symmetrically provided with front section positioning grooves which are positioned on the inner side of the butt joint surface of the front section, penetrate through the front section of the tip and are communicated with the rear section positioning grooves; positioning bosses are symmetrically arranged on the tip insert, and the positioning bosses, the front section positioning groove and the rear section positioning groove are slidingly matched to enter the rear section fixing groove for rotation locking.
Further, two limiting blocks are arranged in the rear section fixing groove and used for resisting clockwise or anticlockwise rotation and locking of the positioning boss.
Further, the buckling structure is characterized in that front-section fixing grooves are circumferentially formed in the front section of the tip and located on the inner side of the front-section abutting surface, front-section positioning grooves communicated with the front-section fixing grooves are symmetrically formed in the front-section fixing grooves, and the front-section positioning grooves penetrate through the front section of the tip; positioning bosses are symmetrically arranged on the tip insert, and are matched with the front section positioning groove in a sliding manner to enter the front section fixing groove for rotary locking.
Further, two limiting blocks are arranged in the front section fixing groove and used for resisting clockwise or anticlockwise rotation and locking of the positioning boss.
Compared with the prior art, the utility model has the beneficial effects that:
The integral tip structure is changed, a complete tip is formed by three-section combination, and the effective combination of beryllium copper material and tungsten steel material is fully utilized to maximize the tip performance. The three-section combination is the independent first section body, the second section body and the third section body, whichever section body can be independently replaced, and compared with the replacement of the integral tip after damage, the cost is saved.
In order to effectively exert the combination mode of the beryllium copper material and the tungsten steel material of the tip, the two materials are combined together through a novel buckle and mode. Because the characteristics of the beryllium copper material and the characteristics of the tungsten steel material are far different, if the tungsten steel material is fixed by welding, the tip insert of the tungsten steel material is easy to fall off, if the beryllium copper material is in threaded connection, the beryllium copper material is soft, the hardness of the tungsten steel is high, the joint of the tip insert and the thread of the front section or the rear section of the tip is easy to damage, and the buckling and the modes are not ideal. Therefore, the application adopts a chute embedded buckling structure, so that the tip insert not only maintains the wear resistance of tungsten steel materials, but also maintains the high thermal conductivity of beryllium copper materials, and the injection molding of engineering materials added with glass fibers is more excellent.
The buckling structure has two modes, the first is that the tip insert is in sliding fit with the tip front section to be embedded, locked and fixed; the second is that the tip insert is in sliding fit with the tip front section and the tip rear section and is inlaid, locked and fixed with the tip rear section. The tip front section and the tip rear section of the two buckling structures are fixed through welding. The first mode has more portions of the tip insert extending beyond the tip front section than the second mode.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the rear section of the tip of the present utility model;
FIG. 3 is a schematic view of the tip front section structure of the present utility model;
FIG. 4 is a schematic side view of the structure of FIG. 3 in accordance with the present utility model;
FIG. 5 is a schematic view of the tip insert structure of the present utility model;
fig. 6 is a schematic side view of fig. 5 in accordance with the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort from the specification, are intended to be within the scope of the present utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6:
A sliding chute embedded tip structure comprises three sections; the first section body is used for being installed with the hot nozzle, the second section body is used for being installed with the first section body, and the third section body is used for being installed with the first section body and the second section body; the first section body, the second section body and the third section body are assembled and then are arranged at the end part of the hot nozzle.
The integral tip is changed into a three-section combination, each section has own independent use function, and the three sections are combined together to form a complete tip. Each section body can be independently maintained and replaced, and the rest section bodies do not need to be processed.
Further:
The first section body and the second section body are made of beryllium copper, and the third section body is made of tungsten steel.
The design of three sections is in order to combine beryllium copper material, tungsten steel material to exert maximum performance, and first section body, second section body increase the heat conductivity, and the third section body improves hardness, increases the wearability.
Further:
The end part of the second section body is fixedly connected with the end part of the first section body, and the third section body is arranged in the second section body and movably arranged with the first section body or the second section body.
The fixed connection is finished after welding, so that stable connection of two same materials is ensured; the movable installation considers that the third section body belongs to a vulnerable part, and the maintenance and replacement probability is high.
Further:
The first section body is a tip rear section 1, the second section body is a tip front section 2, and the third section body is a tip insert 3; the end face of the tip rear section 1 is fixedly arranged with the end face of the tip front section 2, and the tip insert 3 penetrates into the tip front section 2 and is movably assembled on the tip rear section 1 or the tip front section 2.
The tip rear section 1 and the tip front section 2 are welded and fixed and then finish machined, and the fact that the vulnerable part of the tip insert 3 is designed to be movably assembled is considered, so that maintenance and replacement are convenient. The tip insert 3 is arranged in two modes, one is assembled on the tip rear section 1, the other is assembled on the tip front section 2, and the overall working efficiency of the tip can be ensured in any mode. Which assembly mode is adopted can be selected according to actual needs.
Further:
the tip rear section 1 and the tip front section 2 are made of beryllium copper, and the tip insert 3 is made of tungsten steel.
The beryllium copper material increases the heat conductivity of the tip, the tungsten steel material increases the hardness of the tip, and the wear resistance is increased.
Further:
the joint end of the tip rear section 1 and the tip front section 2 is provided with a rear section butt joint surface 11; the tip front section 2 is provided with a front section butt joint surface 21 in contact fit with the rear section butt joint surface 11; an insert cavity 22 is formed in the tip front section 2; the tip insert 3 is arranged in the insert cavity 22 and is fixed with the tip rear section 1 or the tip front section 2 through a buckling structure.
The movable assembly mode of the tip insert 3 specifically adopts a buckling structure, and the buckling structure can be fixed with the tip rear section 1 or the tip front section 2 without arranging threads or welding on the tip insert 3.
Further:
The buckling structure is characterized in that a rear section fixing groove 12 is circumferentially arranged on the inner side of a rear section butt joint surface 11 of the tip rear section 1, and rear section positioning grooves 13 communicated with the rear section fixing groove 12 are symmetrically formed in the rear section fixing groove 12; the front section 2 of the tip is symmetrically provided with front section positioning grooves 23 positioned on the inner side of the front section abutting surface 21, and the front section positioning grooves 23 penetrate through the front section 2 of the tip and are communicated with the rear section positioning grooves 13; the tip insert 3 is symmetrically provided with positioning bosses 31, and the positioning bosses 31, the front section positioning groove 23 and the rear section positioning groove 13 are in sliding fit and enter the rear section fixing groove 12 for rotation locking.
The first fastening structure is that the positioning boss 31 of the tip insert 3 slides in through the front section positioning groove 23 and continues to slide in through the rear section positioning groove 13 to enter the rear section fixing groove 12, and the positioning boss 31 of the tip insert 3 leaves the opening of the rear section positioning groove 13 by rotating the tip insert 3 clockwise or anticlockwise, so that the positioning boss 31 is fixed in the rear section fixing groove 12.
The sealing ring can be circumferentially arranged in the rear section fixing groove 12, the sealing ring has elastic shrinkage and rebound, and the positioning boss 31 is tightly connected with the rear section fixing groove 12 through rotary extrusion of the positioning boss 31.
Further:
Two limiting blocks are arranged in the rear section fixing groove 12 and used for resisting the clockwise or anticlockwise rotation locking of the positioning boss 31.
The tip insert 3 is rotated clockwise or anticlockwise, so that the positioning boss 31 of the tip insert 3 is separated from the opening of the rear section positioning groove 13, but in consideration of actual operation, two limiting blocks can be arranged in the rear section fixing groove 12 to limit the rotation of the positioning boss 31, and the tip insert is stopped when the positioning boss 31 abuts against the limiting blocks. The limiting blocks are symmetrically arranged and far away from the opening of the rear positioning groove 13, and the specific distance can be determined according to the processing and use requirements.
Further:
The buckling structure is characterized in that a front section fixing groove 24 is circumferentially arranged on the front section 2 of the tip and positioned on the inner side of the front section abutting surface 21, front section positioning grooves 23 communicated with the front section fixing groove 24 are symmetrically formed in the front section fixing groove 24, and the front section positioning grooves 23 penetrate through the front section 2 of the tip; the tip insert 3 is symmetrically provided with positioning bosses 31, and the positioning bosses 31 are rotationally locked with the front section positioning grooves 23 and the front section fixing grooves 24 in a sliding fit manner.
The second fastening structure is that the positioning boss 31 of the tip insert 3 slides into the front section fixing groove 24 through the front section positioning groove 23 and slides into the front section fixing groove 23, and the positioning boss 31 of the tip insert 3 is separated from the opening of the front section fixing groove 24 by rotating the tip insert 3 clockwise or anticlockwise, so that the positioning boss 31 is fixed in the front section fixing groove 24.
The sealing ring can be circumferentially arranged in the front section fixing groove 24, the sealing ring has elastic shrinkage and rebound, and the positioning boss 31 is tightly connected with the rear section fixing groove 12 through the rotary extrusion of the positioning boss 31.
Further:
Two limiting blocks are arranged in the front section fixing groove 24 and used for resisting the clockwise or anticlockwise rotation locking of the positioning boss 31.
The tip insert 3 is rotated clockwise or anticlockwise, so that the positioning boss 31 of the tip insert 3 is separated from the opening of the front-section positioning groove 24, but in consideration of actual operation, two limiting blocks can be arranged in the front-section positioning groove 24 to limit the rotation of the positioning boss 31, and the tip insert is stopped when the positioning boss 31 abuts against the limiting blocks. The limiting blocks are symmetrically arranged and far away from the opening of the front section positioning groove 24, and the specific distance can be determined according to the processing and use requirements.
When in use, the utility model is characterized in that: installation and use of a chute embedded tip structure: a tip rear section 1 made of beryllium copper, a tip front section 2, and a tip insert 3 made of tungsten steel. Two positioning bosses 31 are symmetrically arranged on the outer surface of one end part of the tip insert 3, a spanner position 32 is lengthened on the other end part of the tip insert 3, and a flow passage is arranged inside the spanner position. After the tip rear section 1 and the tip front section 2 are welded, finish machining is carried out, then the tip insert 3 is arranged in the insert cavity 22 through the front section positioning groove 23, and the positioning boss 31 of the tip insert 3 can enter the front section fixing groove 24 to rotate and lock or the positioning boss 31 continuously slides into the rear section positioning groove 13 to enter the rear end fixing groove 12 to rotate and lock. The rotary locking makes the positioning boss 31 butt against the limiting block in the front section fixing groove 24 or the rear end fixing groove 12 for locking and fixing by rotating the wrench position 32.
The tip structure is used for easily worn materials added with glass fibers, for example, when the tip insert 3 needs to be replaced after being worn, the tip insert 3 can be rotated and disassembled, the tip rear section 1 and the tip front section 2 are replaced independently, the raw material cost and the processing cost are saved, the maintenance time is shortened, and the working efficiency is improved.
The utility model has been described above by way of example with reference to the accompanying drawings, it being apparent that the utility model is not limited to the embodiments described above. Various modifications or variations of the present utility model may be made by those skilled in the art without departing from the technical spirit of the present utility model, and such modifications or variations are, of course, within the scope of the present utility model.
Claims (10)
1. A spout mosaic type is chewed sharp structure, its characterized in that:
the tip structure comprises three sections which are combined;
The first section body is used for being installed with the hot nozzle;
The second section body is used for being installed with the first section body;
The third section body is used for being installed with the first section body and the second section body;
The first section body, the second section body and the third section body are assembled and then are arranged at the end part of the hot nozzle.
2. The chute mosaic nozzle tip structure according to claim 1, wherein:
The first section body and the second section body are made of beryllium copper, and the third section body is made of tungsten steel.
3. The chute mosaic nozzle tip structure according to claim 1, wherein:
The end part of the second section body is fixedly connected with the end part of the first section body, and the third section body is arranged in the second section body and movably arranged with the first section body or the second section body.
4. The chute mosaic nozzle tip structure according to claim 1, wherein:
the first section body is a tip rear section (1), the second section body is a tip front section (2), and the third section body is a tip insert (3);
The end face of the tip rear section (1) is fixedly arranged with the end face of the tip front section (2), and the tip insert (3) penetrates into the tip front section (2) and is movably assembled on the tip rear section (1) or the tip front section (2).
5. The chute mosaic nozzle tip structure according to claim 4, wherein:
The rear tip section (1) and the front tip section (2) are made of beryllium copper, and the tip insert (3) is made of tungsten steel.
6. The chute mosaic nozzle tip structure according to claim 4, wherein:
one end of the tip rear section (1) connected with the tip front section (2) is provided with a rear section butt joint surface (11);
The tip front section (2) is provided with a front section butt joint surface (21) in contact fit with the rear section butt joint surface (11);
An insert cavity (22) is formed in the tip front section (2);
The tip insert (3) is arranged in the insert cavity (22) and is fixed with the tip rear section (1) or the tip front section (2) through a buckling structure.
7. The chute mosaic nozzle tip structure according to claim 6, wherein:
The buckling structure is characterized in that a rear section fixing groove (12) is circumferentially formed in the inner side of a rear section butt joint surface (11) on the tip rear section (1), and rear section positioning grooves (13) communicated with the rear section fixing groove (12) are symmetrically formed in the rear section fixing groove (12);
front section positioning grooves (23) are symmetrically formed in the front tip section (2) and located on the inner side of the front section butt joint surface (21), and the front section positioning grooves (23) penetrate through the front tip section (2) and are communicated with the rear section positioning grooves (13);
the tip insert (3) is symmetrically provided with positioning bosses (31), and the positioning bosses (31) are slidably matched with the front section positioning groove (23) and the rear section positioning groove (13) to enter the rear section fixing groove (12) for rotary locking.
8. The chute mosaic nozzle tip structure according to claim 7, wherein:
Two limiting blocks are arranged in the rear section fixing groove (12) and used for resisting the clockwise or anticlockwise rotation locking of the positioning boss (31).
9. The chute mosaic nozzle tip structure according to claim 6, wherein:
The buckling structure is characterized in that a front section fixing groove (24) is circumferentially arranged on the front section (2) of the tip and positioned on the inner side of a front section abutting surface (21), front section positioning grooves (23) communicated with the front section fixing groove (24) are symmetrically formed in the front section fixing groove (24), and the front section positioning grooves (23) penetrate through the front section (2) of the tip;
Positioning bosses (31) are symmetrically arranged on the tip insert (3), and the positioning bosses (31) are rotationally locked with the front section positioning groove (23) and slide-fit into the front section fixing groove (24).
10. The chute mosaic nozzle tip structure according to claim 9, wherein:
Two limiting blocks are arranged in the front section fixing groove (24) and used for resisting the clockwise or anticlockwise rotation locking of the positioning boss (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655919.1U CN220883163U (en) | 2023-09-28 | 2023-09-28 | Sliding chute embedded tip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655919.1U CN220883163U (en) | 2023-09-28 | 2023-09-28 | Sliding chute embedded tip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883163U true CN220883163U (en) | 2024-05-03 |
Family
ID=90841520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322655919.1U Active CN220883163U (en) | 2023-09-28 | 2023-09-28 | Sliding chute embedded tip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883163U (en) |
-
2023
- 2023-09-28 CN CN202322655919.1U patent/CN220883163U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220883163U (en) | Sliding chute embedded tip structure | |
| CN117103575A (en) | Sliding chute embedded tip structure | |
| CN102120249A (en) | Turnout mould capable of being preheated and cooled and replacing mould core | |
| CN101545546A (en) | Tungsten-carbide cermet composite-material wear-resistant ball valve | |
| CN112475341A (en) | Inner-cooling type lathe tool for stable transmission of ultralow-temperature medium | |
| CN201049386Y (en) | Combined type piston bar for continuous casting | |
| US7131832B2 (en) | Transfer seal for a removable nozzle tip of an injection molding apparatus | |
| CN203803915U (en) | High speed steel roll collar combined roller | |
| CN216538713U (en) | Split type high-speed steel tooth head for double-tooth-roller crusher | |
| CN206028623U (en) | Two oil duct forging die | |
| CN205057003U (en) | Split type runner cover | |
| CN217061619U (en) | Furnace body inlet pipe electric conduction-proof insulating connecting piece | |
| CN207989787U (en) | A kind of reinforced ball valve | |
| CN213082198U (en) | High-strength nozzle tip die for hot runner | |
| CN212657401U (en) | Anticorrosive sleeve convenient to change of compound pipe of pottery | |
| CN204974788U (en) | Seamless steel pipe extrusion centre form | |
| CN212959425U (en) | Locking pin capable of being positioned quickly | |
| CN201545854U (en) | Coal power spray gun for blowing split type iron making blast furnace | |
| CN217474744U (en) | Die for forging and pressing web loose piece of special-shaped steel rail | |
| CN220891374U (en) | Spliced flange structure | |
| CN216180678U (en) | Chromium plating optical axis for industrial robot | |
| CN205934076U (en) | Finish machining of high accuracy spare part is electroplated and is used coupling mechanism | |
| CN219818226U (en) | Shearing blade for machining | |
| CN221388175U (en) | High-strength cold heading wire drawing die combination device | |
| CN210707778U (en) | Simple structure and handlebar cover of being convenient for installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |