CN110846483B - Forming quenching tool for disc-shaped part of thin plate ring - Google Patents
Forming quenching tool for disc-shaped part of thin plate ring Download PDFInfo
- Publication number
- CN110846483B CN110846483B CN201911092298.2A CN201911092298A CN110846483B CN 110846483 B CN110846483 B CN 110846483B CN 201911092298 A CN201911092298 A CN 201911092298A CN 110846483 B CN110846483 B CN 110846483B
- Authority
- CN
- China
- Prior art keywords
- die
- upper die
- lower die
- flow path
- plate
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
Abstract
The invention discloses a forming quenching tool for a thin plate circular disc-shaped part, which comprises an upper die, a lower die and a machine table, wherein the lower die is matched with the upper die, the machine table is used for controlling the upper die and the lower die, a positioning device is arranged at the middle position of the upper die and the lower die, the positioning device comprises an ejector rod and a plurality of sliding blocks which are uniformly distributed along the circumferential direction, the ejector rod is fixedly connected with the upper die, the sliding blocks are connected with the lower die in a sliding manner, an outward pushing surface matched with the ejector rod is arranged at one end of each sliding block, and one end, far away from the outward pushing surface, of each sliding block is; and circulating water paths are arranged in the upper die and the lower die. The scheme can simultaneously carry out the processes of forming and quenching on the parts through the arrangement of the upper die, the lower die and the circulating water path, and the stability of the quality of finished products is improved.
Description
Technical Field
The invention belongs to the technical field of tools for heat treatment, and particularly belongs to a forming quenching tool for a thin plate circular ring disc-shaped part.
Background
The thin-plate circular-ring disc-shaped part is a part in a clutch of a comprehensive transmission device of a tracked vehicle, has the characteristics of thin wall thickness of the part, large positioning difficulty of the ring-shaped part, small disc-shaped size and the like, is usually made of qualified spring steel such as 60Si2MnA/30CrMnSiA/50CrV4 and has good hardenability and hardenability, and the processing of the part is usually to shape the part through a die before quenching, then to carry out the procedures of quenching, tempering and the like, so as to ensure the quality of the part.
Disclosure of Invention
The invention aims to: the forming quenching tool capable of ensuring the stable size of finished parts is provided.
The technical scheme adopted by the invention is as follows: a forming quenching tool for a thin plate circular disc-shaped part comprises an upper die, a lower die and a machine table, wherein the lower die is matched with the upper die, the machine table is used for controlling the upper die and the lower die, a positioning device is arranged at the middle position of the upper die and the lower die, the positioning device comprises an ejector rod and a plurality of sliding blocks which are uniformly distributed along the circumferential direction, the ejector rod is fixedly connected with the upper die, the sliding blocks are connected with the lower die in a sliding mode, an outward pushing surface matched with the ejector rod is arranged at one end of each sliding block, and one end, far away from the outward pushing surface, of each sliding block is in; and circulating water paths are arranged in the upper die and the lower die. Wherein, the setting of board is used for controlling the cooperation and the separation of upper and lower mould, on, the setting of lower mould, a shaping size for limiting the part, positioner through ejector pin and slider constitution, when ejector pin and slider push-out face contact (operating condition), a plurality of sliders can slide outward simultaneously, position the part through the interior rampart of location annular part, (along circumferencial direction evenly distributed's slider, can guarantee the synchronous operation of slider, and when slider outer end and part inner rampart contact, the ejector pin is located the central point department of annular part all the time), the setting of circulation water route, can be under operating condition to the upper and lower mould cool down (quench the part promptly), make the part quench under the condition of mould restriction, the stability of finished product part size has been guaranteed.
It is worth mentioning that if the traditional mold is additionally provided with a circulating water path to achieve the purpose of forming quenching, although feasible, the part after quenching is in interference fit with the middle position module due to heat expansion and cold contraction, is difficult to take out and inconvenient to use, and the positioning device in the scheme can limit the position of the part in the working process and separate the upper mold and the lower mold.
Preferably, the lower mould on be provided with the base, the base on be provided with a plurality of slide rail bolt, the tip of slide rail bolt passes the base and freely sets up, the slider on be provided with the reset groove that is used for placing slide rail bolt, slide rail bolt on the cover be equipped with reset spring, reset spring's one end and the contact of reset groove bottom, reset spring's the other end and the contact setting of base lateral wall. The setting of base for support slider, the setting of slide rail bolt can with the groove cooperation that resets, prescribes a limit to the slip orbit of slider, and reset spring's setting is accomplished the back (ejector pin and the separation of extrapolating face) at the course of the work, can control the slider rapidly and reset, is convenient for take out the part after quenching, reduces the operation degree of difficulty, and the practicality is strong.
Preferably, the end of the slide rail bolt is further provided with a rail column, and the sliding block is provided with a sliding rail sleeved with the rail column. The rail column and the sliding rail are arranged, so that the sliding block can be guaranteed to slide along the direction of the sliding rail, the sliding block is prevented from being separated from the rail, and the stability of the device is guaranteed.
Preferably, one end of the sliding block, which is far away from the pushing surface, is provided with a plurality of supporting lugs, and the supporting lugs are arranged in contact with the inner wall of the annular part. The setting of supporting convex block can turn into the point contact with the face contact, avoids debris on the part inner wall to cause the influence to the location effect, simultaneously, can be through changing not unidimensional supporting convex block, come to quench, fashioned operation to the part of different internal diameter sizes, improves the suitability of device.
Preferably, the circulation water route include water inlet, delivery port and mould internal flow way, mould internal flow way include outer loop runner and inner ring runner, water inlet and delivery port all with outer loop runner intercommunication setting, be provided with first baffle between water inlet and the delivery port, the one end of keeping away from first baffle on the outer loop runner is provided with the second baffle, inner ring runner and outer loop runner between be provided with the intercommunication mouth, the intercommunication mouth be close to the setting of second baffle. The water inlet and the water outlet are arranged for ensuring water path circulation, and the inner ring runner and the outer ring runner are arranged with the first partition plate and the second partition plate, so that water flow is fully contacted with each position of the die in the flowing process, the cooling speed is increased, the quenching effect is ensured, and the quenching efficiency is improved.
Preferably, the upper die is provided with an upper top plate, the lower die is provided with a lower bottom plate, the upper die and the upper top plate, the lower die and the lower bottom plate are fixed through fastening bolts, and the runner in the die is located at the connecting positions of the upper die and the upper top plate, and the lower die and the lower bottom plate. The runner in the mould that is located mould and upper plate, lower mould and lower plate junction is convenient for process and clean, reduction in production cost, and the setting of upper plate and lower plate is then used for sealed runner, guarantees the stability of device.
Preferably, the upper top plate and the lower bottom plate are also provided with connecting bolts for connecting with a machine table. The upper die and the lower die can be fixed on the machine table through the upper top plate and the lower bottom plate by means of the connecting bolts, and the connecting effect is guaranteed.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the upper die, the lower die and the circulating water path, the processes of forming and quenching parts can be simultaneously carried out, and the stability of the quality of finished products is improved.
2. According to the invention, the slide block is used for positioning the part, so that the positioning stability of the part can be ensured, the part after quenching can be conveniently taken out, and the production efficiency is improved.
3. According to the invention, through the arrangement of the inner ring runner, the outer ring runner, the first partition plate and the second partition plate, water flow is fully contacted with each position of the die in the flowing process, and the quenching effect is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a region a in fig. 1.
Fig. 3 is a schematic structural diagram of the slider in the present invention.
Fig. 4 is a schematic structural view of a circulation water path in the present invention.
Fig. 5 is a schematic cross-sectional view of a part to which the tooling of the present invention is applied.
The labels in the figure are: 1-upper die, 2-lower die, 3-machine table, 4-ejector rod, 5-slide block, 6-outer pushing surface, 7-base, 8-slide rail bolt, 9-reset groove, 10-reset spring, 11-rail column, 12-slide rail, 13-supporting lug, 14-water inlet, 15-water outlet, 16-outer ring flow channel, 17-inner ring flow channel, 18-communication port, 19-first partition plate, 20-second partition plate, 21-upper top plate, 22-lower bottom plate, 23-fastening bolt, 24-connecting bolt and 25-part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
As shown in fig. 1 and 2, a forming quenching tool for a thin plate circular disc-shaped part comprises an upper die 1, a lower die 2 matched with the upper die 1, and a machine table 3 for controlling the upper die 1 and the lower die 2, wherein a positioning device is arranged at the middle position of the upper die 1 and the lower die 2, the positioning device comprises an ejector rod 4 and a plurality of sliding blocks 5 uniformly distributed along the circumferential direction, the ejector rod 4 is fixedly connected with the upper die 1, the sliding blocks 5 are in sliding connection with the lower die 2, an outer pushing surface 6 matched with the ejector rod 4 is arranged at one end of each sliding block 5, and one end, far away from the outer pushing surface 6, of each sliding block 5 is in contact with the inner wall of an annular part 25; and circulation water paths are arranged in the upper die 1 and the lower die 2.
Specifically, as shown in fig. 1 and 2, the lower die 2 on be provided with the base 7, the base 7 on be provided with a plurality of slide rail bolt 8, the tip of slide rail bolt 8 passes base 7 and freely sets up, the slider 5 on be provided with the reset groove 9 that is used for placing slide rail bolt 8, slide rail bolt 8 on the cover be equipped with reset spring 10, reset spring 10's one end and the contact of reset groove 9 bottom, reset spring 10's the other end and the setting of base 7 lateral wall contact. .
Specifically, as shown in fig. 1 and 2, the end of the slide rail bolt 8 is further provided with a rail post 11, and the sliding block 5 is provided with a sliding rail 12 sleeved with the rail post 11.
Specifically, as shown in fig. 1, one end of the sliding block 5 away from the pushing surface 6 is provided with a plurality of supporting protrusions 13, and the supporting protrusions 13 are arranged in contact with the inner wall of the annular part 25.
Specifically, as shown in fig. 1, the circulation water path includes a water inlet 14, a water outlet 15 and an in-mold flow channel, the in-mold flow channel includes an outer ring flow channel 16 and an inner ring flow channel 17, the water inlet 14 and the water outlet 15 are both communicated with the outer ring flow channel 16, a first partition plate 19 is arranged between the water inlet 14 and the water outlet 15, a second partition plate 20 is arranged at one end of the outer ring flow channel 16, which is far away from the first partition plate 19, a communication port is arranged between the inner ring flow channel 17 and the outer ring flow channel 16, and the communication port is close to the second partition plate 20.
Specifically, as shown in fig. 1, an upper top plate 21 is arranged on the upper die 1, a lower bottom plate 22 is arranged on the lower die 2, the upper die 1 and the upper top plate 21, and the lower die 2 and the lower bottom plate 22 are fixed by fastening bolts 23, and the in-die runner is located at the connecting position of the upper die 1 and the upper top plate 21, and the lower die 2 and the lower bottom plate 22.
Specifically, as shown in fig. 1, the upper top plate 21 and the lower bottom plate 22 are further provided with a connecting bolt 24 for connecting with the machine table 3.
In the installation process, the lower die 2 and the lower bottom plate 22, the upper die 1 and the upper top plate 21 are connected through the fastening bolt 23, then the base 7, the return spring 10 and the slider 5 are connected through the slide rail bolt 8, the whole body of the base is installed in the center of the lower die 2, the ejector rod 4 is correspondingly installed in the center of the upper die 1, and then the upper die 2 and the lower die 2 are installed on the machine table 3 (a four-column oil press) through the connecting bolt 24 to complete installation.
In the using process, the water inlet 14 and the water outlet 15 are connected into a water channel to ensure stable water flow, then a part 25 to be quenched (heated to a red hot state) is arranged at the center of the lower die 2, the upper die 1 is controlled to be pressed downwards through the machine table 3, the ejector rod 4 is in contact with the outer pushing surface 6, the slide block 5 is pushed to slide outwards, the position of the part 25 is adjusted after the support bumps 13 are in contact with the inner annular wall of the part 25 until all the support bumps 13 are in contact with the part 25, the position of the part 25 is positioned, meanwhile, the upper die 1 is matched with the lower die 2, the position size of the part 25 is controlled, the upper die 2 and the lower die 2 can absorb heat of the part 25 and discharge the part through a circulating water channel to quench the part 25, after quenching is finished, the upper die 1 is controlled to move upwards by the machine table 3, the ejector rod 4 moves back, the slide block 5.
This scheme is in the quenching process, and upper and lower mould 2 can control the shaping effect of part 25 to can guarantee the stability of quenching back part 25 size, simultaneously, through the setting of slider 5, can fix a position part 25 automatically, be convenient for take out and put into part 25, convenient operation, the practicality is strong.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a shaping quenching frock of thin plate ring dish-shaped part, its characterized in that, including last mould (1), with lower mould (2) that last mould (1) cooperation set up and be used for controlling board (3) of last mould (1) and lower mould (2), the intermediate position of going up mould (1) and lower mould (2) is provided with positioner, wherein:
the positioning device comprises an ejector rod (4) and a plurality of sliding blocks (5) which are uniformly distributed along the circumferential direction, the ejector rod (4) is fixedly connected with the upper die (1), the sliding blocks (5) are connected with the lower die (2) in a sliding mode, an outward pushing surface (6) matched with the ejector rod (4) is arranged at one end of each sliding block (5), and one end, far away from the outward pushing surface (6), of each sliding block (5) is arranged in a contact mode with the inner wall of the annular part (25);
circulating water paths are arranged in the upper die (1) and the lower die (2);
lower mould (2) on be provided with base (7), base (7) on be provided with a plurality of slide rail bolt (8), the tip of slide rail bolt (8) passes base (7) and freely sets up, slider (5) on be provided with reset groove (9) that are used for placing slide rail bolt (8), slide rail bolt (8) on the cover be equipped with reset spring (10), the one end and the contact of reset groove (9) bottom of reset spring (10), the other end and base (7) lateral wall contact setting of reset spring (10).
2. The forming and quenching tool for the thin plate circular ring disc-shaped part according to claim 1, wherein a rail column (11) is further arranged at the end of the sliding rail bolt (8), and a sliding rail (12) sleeved with the rail column (11) is arranged on the sliding block (5).
3. The forming and quenching tool for the thin-plate circular-ring disc-shaped part according to claim 1, wherein a plurality of supporting lugs (13) are arranged at one end of the sliding block (5) far away from the pushing surface (6), and the supporting lugs (13) are in contact with the inner wall of the annular part (25).
4. The forming quenching tool for the thin plate circular ring disc-shaped part according to claim 1, wherein the circulating water path comprises a water inlet (14), a water outlet (15) and an in-mold flow path, the in-mold flow path comprises an outer-ring flow path (16) and an inner-ring flow path (17), the water inlet (14) and the water outlet (15) are both communicated with the outer-ring flow path (16), a first partition plate (19) is arranged between the water inlet (14) and the water outlet (15), a second partition plate (20) is arranged at one end of the outer-ring flow path (16) far away from the first partition plate (19), a communication port (18) is arranged between the inner-ring flow path (17) and the outer-ring flow path (16), and the communication port (18) is arranged close to the second partition plate (20).
5. The forming and quenching tool for the thin plate circular disc-shaped part according to claim 4, characterized in that an upper top plate (21) is arranged on the upper die (1), a lower bottom plate (22) is arranged on the lower die (2), the upper die (1) and the upper top plate (21), the lower die (2) and the lower bottom plate (22) are fixed through fastening bolts (23), and an in-die runner is located at the connecting position of the upper die (1) and the upper top plate (21), and the lower die (2) and the lower bottom plate (22).
6. The forming and quenching tool for the thin plate circular disc-shaped parts as claimed in claim 5, wherein the upper top plate (21) and the lower bottom plate (22) are further provided with connecting bolts (24) for connecting with the machine table (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092298.2A CN110846483B (en) | 2019-11-11 | 2019-11-11 | Forming quenching tool for disc-shaped part of thin plate ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911092298.2A CN110846483B (en) | 2019-11-11 | 2019-11-11 | Forming quenching tool for disc-shaped part of thin plate ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110846483A CN110846483A (en) | 2020-02-28 |
| CN110846483B true CN110846483B (en) | 2021-04-16 |
Family
ID=69601083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911092298.2A Active CN110846483B (en) | 2019-11-11 | 2019-11-11 | Forming quenching tool for disc-shaped part of thin plate ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110846483B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606373A (en) * | 2022-03-17 | 2022-06-10 | 常州三众弹性技术有限公司 | Plate spring pressure quenching device and pressure quenching method, and plate spring |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138223A (en) * | 2005-11-16 | 2007-06-07 | Ntn Corp | Method and apparatus for die-quenching ring type article |
| CN201809408U (en) * | 2010-10-12 | 2011-04-27 | 长春一东离合器股份有限公司 | Diaphragm spring finger tip quenching mould |
| CN203382793U (en) * | 2013-07-08 | 2014-01-08 | 珠海华粤离合器有限公司 | Clutch membrane spring quenching die |
| CN103589836A (en) * | 2013-11-26 | 2014-02-19 | 天津市热处理研究所有限公司 | Large-sheet quenching apparatus |
| CN104232865A (en) * | 2014-07-28 | 2014-12-24 | 天津市热处理研究所有限公司 | Machine tool for automatically quenching and molding annular sheet |
| CN204690053U (en) * | 2015-05-21 | 2015-10-07 | 天津碧宇舟机械制造有限公司 | Adapt to the parts quenching device of each size |
| CN107321883A (en) * | 2017-06-26 | 2017-11-07 | 杭州华光焊接新材料股份有限公司 | A kind of metal ring plate makes mould and the method with the Mold Making metal ring plate |
| JP2019137905A (en) * | 2018-02-15 | 2019-08-22 | 株式会社ジェイテクト | Quenching die and method of manufacturing annular member |
-
2019
- 2019-11-11 CN CN201911092298.2A patent/CN110846483B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138223A (en) * | 2005-11-16 | 2007-06-07 | Ntn Corp | Method and apparatus for die-quenching ring type article |
| CN201809408U (en) * | 2010-10-12 | 2011-04-27 | 长春一东离合器股份有限公司 | Diaphragm spring finger tip quenching mould |
| CN203382793U (en) * | 2013-07-08 | 2014-01-08 | 珠海华粤离合器有限公司 | Clutch membrane spring quenching die |
| CN103589836A (en) * | 2013-11-26 | 2014-02-19 | 天津市热处理研究所有限公司 | Large-sheet quenching apparatus |
| CN104232865A (en) * | 2014-07-28 | 2014-12-24 | 天津市热处理研究所有限公司 | Machine tool for automatically quenching and molding annular sheet |
| CN204690053U (en) * | 2015-05-21 | 2015-10-07 | 天津碧宇舟机械制造有限公司 | Adapt to the parts quenching device of each size |
| CN107321883A (en) * | 2017-06-26 | 2017-11-07 | 杭州华光焊接新材料股份有限公司 | A kind of metal ring plate makes mould and the method with the Mold Making metal ring plate |
| JP2019137905A (en) * | 2018-02-15 | 2019-08-22 | 株式会社ジェイテクト | Quenching die and method of manufacturing annular member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110846483A (en) | 2020-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104096737B (en) | The manufacture method of hot-press arrangement and hot-pressed product | |
| CN205874492U (en) | A respond to and press device of quenching for carrying high tooth cover end jump precision | |
| CN110846483B (en) | Forming quenching tool for disc-shaped part of thin plate ring | |
| CN113909382B (en) | Intelligent hardware compression mold suitable for high-end equipment manufacturing | |
| CN208022908U (en) | A kind of glass bending furnace and bend glass hot bending equipment | |
| CN201399559Y (en) | Shaping device for long bolts | |
| CN209522759U (en) | Glass moulding press | |
| CN201553757U (en) | Quenching die of clutch diaphragm spring | |
| CN213321185U (en) | Mould convenient to clearance | |
| CN211814570U (en) | Diaphragm spring hot forming quenching device | |
| CN204976390U (en) | Grinding wheel mould | |
| CN208558221U (en) | A kind of plastic mould high efficiency cooling water channel mechanism | |
| CN220534817U (en) | Structure for surrounding hot runner point gate by water way insert | |
| CN208410713U (en) | Polymer Processing system | |
| CN218821715U (en) | Exhaust pipe cooling device of hot-pressing sintering machine | |
| CN216656057U (en) | Equipment for hot stamping forming of automobile hub | |
| CN217993413U (en) | Forming die support convenient to fast demoulding | |
| CN213055270U (en) | NTC heat-sensitive chip ingot forming die | |
| CN210082210U (en) | Mold sliding block waterway interference mechanism | |
| CN212143974U (en) | Oil-gas lubrication mechanism in mould of WDC440301 type wire drawing machine | |
| CN211762918U (en) | Automobile rubber bushing forming equipment | |
| CN212350365U (en) | Powder metallurgy die cooling mechanism | |
| CN211135478U (en) | Safety die-casting device for casting aluminum alloy parts | |
| CN212579149U (en) | Stamping die that cooling effect is good | |
| CN220219575U (en) | Plastic mould with cooling structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |