CN120362414A - Foundry goods mold processing convenient to drawing of patterns - Google Patents
Foundry goods mold processing convenient to drawing of patternsInfo
- Publication number
- CN120362414A CN120362414A CN202510602851.1A CN202510602851A CN120362414A CN 120362414 A CN120362414 A CN 120362414A CN 202510602851 A CN202510602851 A CN 202510602851A CN 120362414 A CN120362414 A CN 120362414A
- Authority
- CN
- China
- Prior art keywords
- rod
- outside
- fixedly connected
- plate
- cylinder
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/06—Strippers actuated by fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a casting processing die convenient for demolding, which belongs to the field of casting dies and comprises a supporting seat and a forming mechanism arranged at the top of the supporting seat and extending to the inside of the supporting seat, wherein an ejection structure extending to the inside of the supporting seat is arranged at the outside of the supporting seat and used for ejecting castings, and a rotary lifting adsorption blanking mechanism used for automatic blanking of castings is arranged at the outside of the supporting seat. This foundry goods mold processing convenient to drawing of patterns, when contracting through the pneumatic cylinder output, drive the movable plate and upwards remove, make last mould and bed die separation, the upward movement of movable plate drives the rack through the connecting rod and removes, rack and gear engagement, drive gear is rotatory, it is rotatory to drive the fan, the air current that the fan produced gets into the piston cylinder through the connecting pipe, promote the piston plate upward movement and drive ejector pin and roof upward movement, with the foundry goods ejecting from the bed die, the direct contact of foundry goods and mould has been reduced, the protection foundry goods surface quality has reached the advantage of high-efficient drawing of patterns.
Description
Technical Field
The invention relates to the technical field of casting molds, in particular to a casting processing mold convenient to demold.
Background
The steel casting is made up by pouring molten metal steel into mould, cooling, demoulding, and features that the molten metal steel is poured into mould, injection, suction or other casting method.
The utility model provides a need use the foundry goods mold processing utensil of being convenient for drawing of patterns in foundry goods mould in-process, chinese utility model patent publication No. CN221833152U discloses a precision die of being convenient for drawing of patterns, including lower mould and swing joint at the last mould at lower mould top, the inside symmetry sliding connection of lower mould has two moulded dies, the equal swing joint of one side that two moulded dies are close to has the roof, the equal fixedly connected with deflector in bottom of two moulded dies, the inside of lower mould just is located the below sliding connection of deflector has first connecting plate, the symmetrical fixedly connected with in top of first connecting plate two first connecting rods.
However, the first electric push rod, the second electric push rod and the third electric push rod in the precise die convenient for demoulding are electrically connected with external control equipment, operators need to control the running states of a plurality of electric push rods respectively, an effective cooperative working mechanism is lacked, the operation flow is relatively complex, the running of the electric push rods is possibly asynchronous, the demoulding effect is influenced, and even the die is damaged, so that a casting processing die convenient for demoulding is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a casting processing die convenient for demolding, which has the advantages of high efficiency in demolding, high automation degree and the like, and solves the problems that the first electric push rod, the second electric push rod and the third electric push rod in the existing precise die convenient for demolding are electrically connected with external control equipment, operators need to respectively control the running states of a plurality of electric push rods, an effective cooperative working mechanism is lacked, the operation flow is relatively complex, the running of the electric push rods is asynchronous, the demolding effect is influenced, and even the die is damaged.
In order to achieve the aim, the invention provides the technical scheme that the casting processing mould convenient for demoulding comprises a supporting seat and a forming mechanism which is arranged at the top of the supporting seat and extends to the inside of the supporting seat, wherein an ejection structure which extends to the inside of the supporting seat and is used for ejecting a casting is arranged outside the supporting seat, and a rotary lifting adsorption blanking mechanism which is used for automatically blanking the casting is arranged outside the supporting seat;
the forming mechanism comprises a mounting plate, a hydraulic cylinder, a moving plate, an upper die and a lower die;
the ejection structure comprises a conical cylinder and a piston cylinder which are respectively fixedly communicated with the inside and the outside wall of the supporting seat, a connecting pipe fixedly communicated between the conical cylinder and the piston cylinder, a breather valve fixedly arranged in the connecting pipe, a piston plate slidingly connected in the piston cylinder, an ejector rod fixedly connected to the top of the piston plate, a top plate fixedly connected to the top end of the ejector rod, a fan rotatably arranged in the conical cylinder and a transmission structure arranged outside the fan;
The rotary lifting adsorption blanking mechanism comprises a mounting cylinder fixedly connected to the outside of the supporting seat, a movable rod rotationally connected to the inside of the mounting cylinder, a connecting column fixedly connected to the inside of the movable rod, a cross rod fixedly connected to the top end of the connecting column, a vacuum chuck fixedly mounted at one end of the cross rod, a guide assembly arranged in the inside of the mounting cylinder and a synchronous structure arranged outside the movable rod.
Further, mounting panel fixed connection is in the top of supporting seat, pneumatic cylinder fixed mounting is in the top of mounting panel, movable plate fixed mounting is on the output of pneumatic cylinder, go up mould fixed connection in the bottom of movable plate, lower mould fixed mounting is in the inside of supporting seat, it is located the upper surface of lower mould to go up the mould.
Further, the transmission structure comprises a gear fixedly arranged outside the fan, a toothed bar meshed and connected to the outside of the gear, and a connecting rod fixedly connected between the toothed bar and the moving plate.
Further, roof slidable mounting in the inside of bed die, and with the interior bottom wall of bed die flushes, ejector pin sliding connection piston cylinder's inside and extend to its upper surface, fixed mounting has reset spring between roof and the piston cylinder, reset spring encircles the outside of connecting in the ejector pin.
Further, the direction subassembly is including rotating the pulley of connecting in the movable rod outside and seting up in the inside transmission groove of installation section of thick bamboo, the external diameter of pulley and the internal diameter looks adaptation of transmission groove, the movable rod passes through the transmission groove rotation and rises in the installation section of thick bamboo inside and extend to its upper surface.
Further, the synchronous structure is including setting up in the outside swing seat of supporting seat, rotating the transfer line of connecting in swing seat right side, fixed connection in the connection pad at transfer line top and fixed connection in the reset torsion spring at connection pad top, the transfer line fixed connection is in the top of connection pad, the reset torsion spring encircles and connects in the outside of transfer line, the top and the bottom looks butt of installation section of thick bamboo of reset torsion spring.
Further, the middle part of the swinging seat is rotationally connected with a pin shaft extending to the outside of the swinging seat, and one end of the pin shaft, which is far away from the swinging seat, is fixedly arranged in the supporting seat.
Further, the top of swing seat left side is connected with the swinging arms through articulated seat rotation, the one end that the swinging arms kept away from the swinging seat is articulated with the bottom of movable plate.
Compared with the prior art, the invention provides a casting processing die convenient for demolding, which has the following beneficial effects:
1. This foundry goods mold processing convenient to drawing of patterns, when contracting through the pneumatic cylinder output, drive the movable plate and upwards remove, make last mould and bed die separation, the upward movement of movable plate drives the rack through the connecting rod and removes, rack and gear engagement, drive gear is rotatory, it is rotatory to drive the fan, the air current that the fan produced gets into the piston cylinder through the connecting pipe, promote the piston plate upward movement and drive ejector pin and roof upward movement, with the foundry goods ejecting from the bed die, the direct contact of foundry goods and mould has been reduced, the protection foundry goods surface quality has reached the advantage of high-efficient drawing of patterns.
2. This foundry goods mold processing convenient to drawing of patterns, when contracting through the pneumatic cylinder output, the fly leaf upwards moves, drives swinging arms upwards and swings, makes the swinging arms rotate clockwise around the round pin axle, and then drives the swinging arms through transfer line, connection pad and rotate clockwise and move down, and vacuum chuck takes the foundry goods to keep away from the bed die, accomplishes foundry goods unloading, can adapt to the foundry goods unloading demand of different shapes and sizes, drives ejecting structure and rotatory lift simultaneously through the removal of fly leaf and adsorbs unloading mechanism action, has realized seamless connection between each process, has further promoted the automation level, has reached the advantage that degree of automation is high.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a perspective view of the structure of the forming mechanism, the ejection structure and the rotary lifting adsorption blanking mechanism of the present invention;
FIG. 3 is a perspective view of the structure of the forming mechanism and ejection structure of the present invention;
FIG. 4 is a perspective view of the ejector structure of the present invention in cross-section;
FIG. 5 is a perspective view of the structure of the forming mechanism and the rotary lifting adsorption blanking mechanism of the present invention;
fig. 6 is a structural perspective view of the rotary lifting adsorption blanking mechanism of the present invention.
The device comprises a supporting seat 1, a forming mechanism 2, a mounting plate 21, a hydraulic cylinder 22, a 23, a moving plate 24, an upper die 25, a lower die 3, an ejection structure 31, a conical cylinder 32, a piston cylinder 33, a connecting pipe 34, a breather valve 35, a piston plate 36, a push rod 37, a top plate 38, a return spring 39, a fan 310, a gear 311, a toothed bar 312, a connecting rod 4, a rotary lifting adsorption blanking mechanism 41, a mounting cylinder 42, a moving rod 43, a connecting column 44, a cross bar 45, a vacuum chuck 46, a pulley 47, a transmission groove 48, a swinging seat 49, a pin roll 410, a transmission rod 411, a connecting disc 412, a return torsion spring 413 and a swinging rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, a casting processing mold convenient for demolding in this embodiment includes a supporting seat 1 and a forming mechanism 2 disposed at the top of the supporting seat 1 and extending to the inside thereof, an ejection structure 3 extending to the inside thereof for ejecting a casting is disposed at the outside of the supporting seat 1, and a rotary lifting adsorption blanking mechanism 4 for automatic blanking of the casting is disposed at the outside of the supporting seat 1.
Wherein the forming mechanism 2 comprises a mounting plate 21, a hydraulic cylinder 22, a moving plate 23, an upper die 24 and a lower die 25;
specifically, the mounting plate 21 is fixedly connected to the top of the supporting seat 1, the hydraulic cylinder 22 is fixedly mounted on the top of the mounting plate 21, the moving plate 23 is fixedly mounted on the output end of the hydraulic cylinder 22, the upper die 24 is fixedly connected to the bottom of the moving plate 23, the lower die 25 is fixedly mounted in the supporting seat 1, and the upper die 24 is located on the upper surface of the lower die 25. When the casting is required to be formed, the controller starts the sliding seat of the hydraulic cylinder 22, the output end of the hydraulic cylinder 22 stretches out, and the moving plate 23 is pushed to move downwards. As the moving plate 23 moves downward, the upper die 24 moves downward toward the lower die 25 until the upper die 24 and the lower die 25 are closed, and molten metal is injected into the die cavities of the upper die 24 and the lower die 25, thereby forming a cast.
In this embodiment, the ejection structure 3 includes a conical cylinder 31 and a piston cylinder 32 which are respectively fixedly connected to the inside and the outside wall of the supporting seat 1, a connecting pipe 33 which is fixedly connected between the conical cylinder 31 and the piston cylinder 32, a breather valve 34 which is fixedly installed inside the connecting pipe 33, a piston plate 35 which is slidingly connected inside the piston cylinder 32, a top rod 36 which is fixedly connected to the top of the piston plate 35, a top plate 37 which is fixedly connected to the top end of the top rod 36, a fan 39 which is rotatably installed inside the conical cylinder 31, and a transmission structure which is arranged outside the fan 39.
The transmission structure comprises a gear 310 fixedly arranged outside the fan 39, a toothed bar 311 meshed with the gear 310, and a connecting rod 312 fixedly connected between the toothed bar 311 and the moving plate 23.
Specifically, the top plate 37 is slidably mounted inside the lower mold 25 and is flush with the inner bottom wall of the lower mold 25, the ejector rod 36 is slidably connected to the inside of the piston cylinder 32 and extends to the upper surface thereof, and a return spring 38 is fixedly mounted between the top plate 37 and the piston cylinder 32, and the return spring 38 is circumferentially connected to the outside of the ejector rod 36. The top plate 37 is arranged to eject the casting out of the cavity of the lower die 25, so that ejection force is uniform, the problem of casting deformation or damage caused by uneven demolding force can be effectively avoided, and the molding quality of the casting is improved.
When the die-casting machine is used, the output end of the hydraulic cylinder 22 contracts, the movable plate 23 is pulled to move upwards, the toothed bar 311 moves upwards synchronously with the movable plate 23, the driving gear 310 rotates clockwise, the fan 39 is driven to rotate clockwise, negative pressure is formed inside the conical cylinder 31, external air enters the conical cylinder 31 from the piston cylinder 32 through the breather valve 34, the piston plate 35 moves upwards under the action of the negative pressure, the ejector rod 36 drives the top plate 37 to move upwards, and the molded casting is ejected out of the cavity of the lower die 25, so that die-casting is achieved. A return spring 38 is attached around the outside of the ram 36 and is fixedly mounted between the top plate 37 and the piston cylinder 32, the return spring 38 being stretched during ejection. When the casting is ejected, the hydraulic cylinder 22 acts again, the moving plate 23 moves downwards, the toothed bar 311 is driven to move downwards, the driving gear 310 rotates anticlockwise, the fan 39 rotates anticlockwise, air in the conical cylinder 31 is discharged, the piston plate 35 moves downwards to reset under the action of the elastic force of the reset spring 38, and the top plate 37 moves downwards to return to the initial position.
In this embodiment, the rotary lifting adsorption blanking mechanism 4 includes a mounting cylinder 41 fixedly connected to the outside of the supporting seat 1, a moving rod 42 rotatably connected to the inside of the mounting cylinder 41, a connecting column 43 fixedly connected to the inside of the moving rod 42, a cross rod 44 fixedly connected to the top end of the connecting column 43, a vacuum chuck 45 fixedly mounted at one end of the cross rod 44, a guide assembly disposed in the inside of the mounting cylinder 41, and a synchronization structure disposed outside of the moving rod 42.
The guiding assembly comprises a pulley 46 rotatably connected to the outside of the moving rod 42 and a transmission groove 47 formed in the mounting cylinder 41, the outer diameter of the pulley 46 is matched with the inner diameter of the transmission groove 47, and the moving rod 42 is rotatably lifted in the mounting cylinder 41 through the transmission groove 47 and extends to the upper surface of the mounting cylinder 41. Through the cooperation of guide component and synchronization structure, guaranteed the accuracy and the stability of movable rod 42 motion, make vacuum chuck 45 can keep correct position and gesture in absorption and unloading in-process, improved the success rate of unloading.
Specifically, the synchronization structure includes a swinging seat 48 disposed outside the supporting seat 1, a transmission rod 410 rotatably connected to the right side of the swinging seat 48, a connecting disc 411 fixedly connected to the top of the transmission rod 410, and a reset torsion spring 412 fixedly connected to the top of the connecting disc 411, the moving rod 42 is fixedly connected to the top of the connecting disc 411, the reset torsion spring 412 is connected to the outside of the moving rod 42 in a surrounding manner, and the top end of the reset torsion spring 412 is abutted to the bottom end of the mounting cylinder 41. When the output end of the hydraulic cylinder 22 contracts, the moving plate 23 moves upwards to drive the swinging rod 413 to swing upwards, so that the swinging seat 48 rotates clockwise around the pin shaft 49, the moving rod 42 is driven to rotate clockwise and move downwards through the transmission rod 410 and the connecting disc 411, the vacuum chuck 45 approaches to the ejected casting along with the downward movement of the moving rod 42, the vacuum generating device of the vacuum chuck 45 is started through the controller, negative pressure is generated by the vacuum chuck 45, the casting is adsorbed, and the vacuum chuck 45 brings the casting away from the lower die 25, so that casting blanking is completed. The reset torsion spring 412 is connected around the outside of the moving rod 42, and the top end of the reset torsion spring 412 is abutted against the bottom end of the mounting cylinder 41, and during the resetting process, the reset torsion spring 412 assists the moving rod 42 to reset, so that the moving rod returns to the initial position.
It should be noted that, the middle part of the swinging seat 48 is rotatably connected with a pin shaft 49 extending to the outer part thereof, and one end of the pin shaft 49 away from the swinging seat 48 is fixedly installed in the support seat 1. The top of the left side of the swinging seat 48 is rotatably connected with a swinging rod 413 through a hinging seat, and one end of the swinging rod 413 away from the swinging seat 48 is hinged with the bottom of the movable plate 23.
The working principle of the embodiment is as follows:
When the die is used, the hydraulic cylinder 22 is started to stretch and retract through the controller, the moving plate 23 is pushed to move downwards, the upper die 24 and the lower die 25 are driven to be matched, and casting molding is performed. After the molding is completed, the hydraulic cylinder 22 is operated reversely to drive the moving plate 23 to move upwards, so that the upper die 24 is separated from the lower die 25. The upward movement of the moving plate 23 drives the toothed bar 311 to move through the connecting rod 312, the toothed bar 311 is meshed with the gear 310, the driving gear 310 rotates to drive the fan 39 to rotate, and air flow generated by the fan 39 enters the piston cylinder 32 through the connecting pipe 33 to push the piston plate 35 to move upwards. The upward movement of the piston plate 35 drives the ejector rod 36 and the top plate 37 to move upward, the casting is ejected from the lower die 25, and the moving rod 42 drives the vacuum chuck 45 to move downward through the transmission rod 410 and the connecting disc 411 under the action of the reset torsion spring 412 to approach the casting. The vacuum generator of the vacuum chuck 45 is started through the controller, so that the vacuum chuck 45 generates negative pressure to adsorb castings, the movable rod 42 moves upwards in the transmission groove 47 through the pulley 46 to lift the castings to a certain height, the movable rod 42 continues to move, and the castings are moved to a specified blanking position through linkage of the swinging seat 48 and the swinging rod 413 to finish blanking. After the casting blanking is completed, the movable rod 42 is reset under the action of the reset torsion spring 412. A return spring 38 in the ejector 3 returns the top plate 37 and the ejector pin 36 to be ready for the next ejection operation. The whole demolding and blanking process realizes automatic operation through the hydraulic cylinder 22, the fan 39 and the vacuum chuck 45, reduces manual intervention, and improves the production efficiency and the operation stability of equipment.
The installation mode, the connection mode or the setting mode disclosed in the embodiment are all common mechanical connection modes, so long as the beneficial effects can be achieved, in addition, the electrical components appearing in the embodiment are electrically connected with the main controller and the power supply, the main controller can be conventional known equipment with control functions of a computer and the like, a person skilled in the art can control the electrical components through simple programming, and the prior disclosed power connection technology also belongs to common knowledge in the art, so that the specific structural composition and the working principle of the electrical components are not repeated in the embodiment.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510602851.1A CN120362414B (en) | 2025-05-12 | 2025-05-12 | A casting processing mold that facilitates demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510602851.1A CN120362414B (en) | 2025-05-12 | 2025-05-12 | A casting processing mold that facilitates demolding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120362414A true CN120362414A (en) | 2025-07-25 |
| CN120362414B CN120362414B (en) | 2026-01-06 |
Family
ID=96443119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510602851.1A Active CN120362414B (en) | 2025-05-12 | 2025-05-12 | A casting processing mold that facilitates demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120362414B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120606053A (en) * | 2025-08-12 | 2025-09-09 | 兴化市泛鑫金属材料有限公司 | Straight hole die for copper wire production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618162A (en) * | 2017-08-24 | 2018-01-23 | 李文华 | Material head collecting device is removed in a kind of injection mold finished product automatic demoulding blanking |
| CN213500819U (en) * | 2020-07-25 | 2021-06-22 | 太仓华易塑业有限公司 | Workpiece demoulding mechanism for mould |
| CN220426798U (en) * | 2023-08-04 | 2024-02-02 | 桂林福慧聚机械制造有限公司 | Casting mold with ejection mechanism |
| CN221269645U (en) * | 2023-11-20 | 2024-07-05 | 苏州麦奇诺精密压铸有限公司 | Casting die utensil is used in thin wall foundry goods production |
-
2025
- 2025-05-12 CN CN202510602851.1A patent/CN120362414B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618162A (en) * | 2017-08-24 | 2018-01-23 | 李文华 | Material head collecting device is removed in a kind of injection mold finished product automatic demoulding blanking |
| CN213500819U (en) * | 2020-07-25 | 2021-06-22 | 太仓华易塑业有限公司 | Workpiece demoulding mechanism for mould |
| CN220426798U (en) * | 2023-08-04 | 2024-02-02 | 桂林福慧聚机械制造有限公司 | Casting mold with ejection mechanism |
| CN221269645U (en) * | 2023-11-20 | 2024-07-05 | 苏州麦奇诺精密压铸有限公司 | Casting die utensil is used in thin wall foundry goods production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120606053A (en) * | 2025-08-12 | 2025-09-09 | 兴化市泛鑫金属材料有限公司 | Straight hole die for copper wire production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120362414B (en) | 2026-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211917613U (en) | A rapid demoulding device for the production of military machinery shells | |
| CN120362414B (en) | A casting processing mold that facilitates demolding | |
| CN110340333B (en) | Metal pipe casting device and method | |
| CN113059143A (en) | Molding press for well lid processing | |
| CN118558951B (en) | Multi-size automobile hub casting device | |
| CN223028452U (en) | Casting production device of control valve | |
| CN211101542U (en) | Metal casting mold with melting box | |
| CN120243861A (en) | Aluminum die casting machine | |
| CN222470666U (en) | Bolt non-cutting forming die | |
| CN220943122U (en) | Color plate die casting machine with built-in turnover structure | |
| CN113334695A (en) | Portable demolding ejection structure of mold | |
| CN219903515U (en) | Bolt mold processing convenient to drawing of patterns | |
| CN221064382U (en) | Plug valve body die-casting former | |
| CN216683193U (en) | Demoulding mechanism for precise plastic mould | |
| CN118492313A (en) | Precise die-casting forming die based on magnesium alloy material | |
| CN216828507U (en) | Automatic production equipment for lost foam casting foam model | |
| CN223430830U (en) | A car seat slide rail assembly mold | |
| CN210498267U (en) | Industrial robot arm gravity casting mould with direction ejection mechanism | |
| CN221604987U (en) | A vacuum suction cup type insert fixing device for injection mold | |
| CN223590010U (en) | Double-ejection rear mold demolding structure based on injection mold | |
| CN218963934U (en) | A sand casting device | |
| CN222291127U (en) | Mould with ejection mechanism | |
| CN218340951U (en) | Demoulding device convenient for medium-frequency electric furnace forming die | |
| CN222697679U (en) | A kind of automobile steering wheel mold structure | |
| CN221089699U (en) | Tire mold structure convenient to drawing of patterns |
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 |