CN210412407U - Hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping - Google Patents
Hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping Download PDFInfo
- Publication number
- CN210412407U CN210412407U CN201921336341.0U CN201921336341U CN210412407U CN 210412407 U CN210412407 U CN 210412407U CN 201921336341 U CN201921336341 U CN 201921336341U CN 210412407 U CN210412407 U CN 210412407U
- Authority
- CN
- China
- Prior art keywords
- ceramic core
- clamping
- die
- clamping element
- driving unit
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a hollow turbine blade precision casting wax mold mould for realizing ceramic core automatic clamping, which comprises an upper mould, a lower mould, a ceramic core and a control system, wherein the upper mould and the lower mould form a mould cavity after mould closing, and the ceramic core is arranged in the mould cavity; three driving units are fixed on the upper bottom surface of the upper die, each driving unit is connected with a clamping element, and a clamping hole leading to a die cavity is formed in the upper bottom surface of the upper die; six positioning holes are formed in the lower die and communicated with the die cavity, and the ceramic core is positioned through a positioning element arranged in each positioning hole. The utility model discloses each drive unit all receives control system's independent control, adopts control system control drive unit to drive clamping element action, solves clamping element and the asynchronous problem of ceramic core contact, eliminates ceramic core centre gripping in-process and reserves assembly gap between the clamping element, has improved spacing sufficiency of ceramic core and wax pattern wall thickness precision.
Description
Technical Field
The utility model belongs to the technical field of aeroengine hollow turbine blade investment casting, concretely relates to realize hollow turbine blade precision casting wax type mould of the automatic centre gripping of ceramic core.
Background
The wall thickness precision of the hollow turbine blade is an important index for ensuring the strength and the cooling efficiency of the hollow turbine blade, and has decisive influence on the service life of the hollow turbine blade. At present, the hollow turbine blade is generally manufactured by adopting an investment casting method, and the wall thickness precision is mainly ensured by the matching relation of a wax mould cavity and a ceramic core. In order to limit the drift of the position and the pose of the ceramic core in the wax mould pressing process, a positioning element and a clamping element are usually required to be designed in the wax mould, and an operator finishes wax mould pressing according to the process sequence of core setting, mould closing, ceramic core clamping, mould locking and wax pressing. However, for the conventional mold, in order to ensure that the ceramic core is not fractured by the positioning element or the clamping element under the action of the mold locking force in the manual ceramic core clamping process, an operator generally needs to adjust the clamping element in a reverse direction after the clamping element is fully contacted with the ceramic core, so that a certain buffer gap is reserved between the clamping element and the ceramic core, and the buffer gap causes the ceramic core to drift in position under the action of wax stamping in a narrow space, so that the final precision casting hollow turbine blade has an out-of-tolerance wall thickness. In addition, the clamping elements are adjusted one by one to clamp the ceramic cores in the cavity, and the posture of the ceramic cores is disturbed due to the fact that the clamping elements are not in contact with the ceramic cores synchronously, so that wall thickness of the finally precisely cast hollow turbine blade is out of tolerance.
Disclosure of Invention
In view of this, the utility model provides a realize automatic centre gripping's of pottery core hollow turbine blade precision casting wax type mould aims at solving and reserves among the prior art buffering clearance, clamping element and the asynchronous problem that makes the precision casting hollow turbine blade wall thickness super-poor of pottery core contact.
For solving the problem the utility model discloses a technical scheme:
a hollow turbine blade precision casting wax mold die for realizing automatic ceramic core clamping comprises an upper die, a lower die, a ceramic core and a control system, wherein the upper die and the lower die form a die cavity after being matched, and the ceramic core is arranged in the die cavity;
three driving units are fixed on the upper bottom surface of the upper die, each driving unit is connected with a clamping element, and a clamping hole leading to the die cavity is formed in the upper bottom surface of the upper die;
six positioning holes are formed in the lower die, the positioning holes are communicated with the die cavity, and the ceramic core is positioned through a positioning element arranged in each positioning hole;
the control system receives the state data of each driving unit and simultaneously sends out an instruction for controlling each driving unit to execute ceramic core clamping or ceramic core releasing, each driving unit uploads the state data to the control system and receives the instruction of the control system, the ceramic core is clamped and controlled by the clamping element, and the ceramic core clamping pretightening force is guaranteed.
Preferably, the control system comprises an upper computer and a lower computer which are in communication connection;
the upper computer receives an operation instruction of an operator, transmits the instruction to the lower computer, and simultaneously displays state data of the drive unit received by the lower computer to the operator, wherein the operation instruction comprises a ceramic core clamping instruction and a ceramic core releasing instruction, and the instruction input by the ceramic core clamping instruction comprises the movement speed and the clamping pretightening force of each clamping element; the command input by the ceramic core releasing command comprises the evacuation distance and the evacuation speed of each clamping element;
the lower computer receives the instruction of the upper computer and controls each driving unit to carry out ceramic core clamping and ceramic core releasing; and reading the state data of each driving unit and uploading the state data of the driving units to the upper computer.
Preferably, the driving unit comprises a motor, a clamping end connecting structure, a sliding rail, a sliding block, an installation base and a pressure sensor, the installation base of the driving unit is fixed on the lower bottom surface of the upper die through a bolt, one end of the sliding rail is fixed on the upper end surface of the installation base, the motor is fixed on the other end of the sliding rail through a flange, a main shaft of the motor is a ball screw rod, the other end of the ball screw rod is rotationally fixed in the middle of the installation base, the sliding block is sleeved on the ball screw rod in an engaged fit manner through a screw nut installed in the sliding block and the ball screw rod, and the bottom of the sliding block is slidably arranged on the sliding rail; the clamping end connecting structure comprises a connecting rod and a connecting seat, the connecting seat is fixed on the upper portion of the sliding block through a bolt, the connecting rod is fixed on the connecting seat, one end of the pressure sensor is installed on the connecting rod to be connected, and the other end of the pressure sensor is connected with the clamping element; the motor and the pressure sensor are respectively in communication connection with the lower computer, the motor executes an instruction received by the lower computer from the upper computer to drive the ball screw rod to rotate, so that the sliding block moves, and the connecting rod drives the clamping element to pass through the clamping hole to move, and ceramic core clamping and ceramic core releasing are completed; the pressure sensor detects a pressure signal of the clamping element and uploads the pressure signal to the lower computer, and when the pressure signal received by the lower computer reaches the clamping pretightening force preset by the upper computer in the ceramic core clamping process, the motor is instructed to stop moving to complete ceramic core clamping, and the pressure signal is one of state data of the driving unit.
Preferably, the bottom of slider is equipped with four bearings, the bearing rotates and is fixed in four angles of the bottom of slider, every the bearing all with the outside joint of slide rail ensures the stability of slider motion.
Preferably, the locating hole is provided with a section of thread, the locating element is a columnar ladder-shaped element with an external thread part, an intermediate part and a top connection part, the external thread part is in threaded connection with the thread of the locating hole, the top connection part is in a ball head shape and is used for being in top connection and location with the ceramic core, and one end of the external thread part is provided with a screwing groove.
Preferably, the clamping element is of cylindrical stepped configuration.
Preferably, the clamping hole is a stepped hole, the clamping element, the pressure sensor and the connecting rod enter the mold cavity through the stepped hole, and the clamping element and the stepped hole are matched to play a guiding role.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. each driving unit of the utility model is controlled independently by the control system, and the control system is adopted to control the driving unit to drive the clamping element to act, so that the clamping time of the clamping element can be controlled accurately, and the problem of disturbance of the position and the posture of the ceramic core caused by the asynchronous contact between the clamping element and the ceramic core is solved;
2. the utility model can change the process sequence between the ceramic core clamping and the wax pressing mode locking, eliminate the assembly clearance reserved between the ceramic core clamping and the clamping element in the ceramic core clamping process, and improve the ceramic core limiting sufficiency and the wax pattern wall thickness precision;
3. the utility model is provided with the pressure sensor, which can monitor the pressure state of the ceramic core in real time and avoid the cracking phenomenon of the ceramic core under the combined action of wax material stamping in the wax pressing process caused by overlarge clamping force;
4. the utility model discloses set pottery core adopts six points to fix a position and confirms the inside pottery core space position appearance of die cavity, and three clamping element is used for cooperating positioning element restriction to press wax in-process pottery core position appearance drift, and the operating personnel accessible revolves soon adjusts positioning element and stretches out the height in the die cavity, revises the inside pottery core space position appearance of die cavity.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper mold of the present invention after the cover plate is removed;
FIG. 3 is a side view of the lower mold of the present invention;
fig. 4 is a side view of the upper die of the present invention;
fig. 5 is a schematic structural view of the driving unit of the present invention;
fig. 6 is a schematic structural view of the positioning element of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1
As shown in fig. 1-6, a hollow turbine blade precision casting wax mold for realizing ceramic core automatic clamping comprises an upper mold 1, a lower mold 2 and a ceramic core, wherein the upper mold 1 and the lower mold 2 form a mold cavity 7 after being closed, and the ceramic core is arranged in the mold cavity 7; three driving units 3 are fixed on the upper bottom surface of the upper die 1, each driving unit 3 is connected with a clamping element 4, and a clamping hole leading to the die cavity 7 is formed in the upper bottom surface of the upper die 1; six positioning holes are formed in the lower die 2, the positioning holes are communicated with the die cavity 7, and the ceramic cores are positioned through positioning elements 5 arranged in each positioning hole; the control system (not shown in the figure) receives the state data of each driving unit 3, and simultaneously sends out an instruction for controlling each driving unit 3 to execute ceramic core clamping or ceramic core releasing, each driving unit 3 uploads the state data to the control system and receives the instruction of the control system, so that the clamping element 4 is used for clamping and controlling the ceramic core, and the clamping pretightening force of the ceramic core is ensured.
One side of the cover plate of the upper die 1 and the lower die 2 is provided with a sprue 6 which is spliced, and the sprue 6 is communicated with a die cavity 7.
The specific point of releasing the ceramic core is the process of driving the clamping element 4 away from the ceramic core by the driving unit 3.
Example 2
In this embodiment, a control manner of the control system is specifically described on the basis of embodiment 1:
the control system comprises an upper computer and a lower computer which are in communication connection;
the upper computer receives an operation instruction of an operator, transmits the instruction to the lower computer, and simultaneously displays state data of the drive unit 3 received by the lower computer to the operator, wherein the operation instruction comprises a ceramic core clamping instruction and a ceramic core releasing instruction, and the instruction input by the ceramic core clamping instruction comprises the movement speed and the clamping pretightening force of each clamping element 4; the command input by the ceramic core release command includes the evacuation distance and the evacuation speed of each gripping member 4;
the lower computer receives the instruction of the upper computer and controls each driving unit 3 to carry out ceramic core clamping and ceramic core releasing; and reading the state data of each driving unit 3 and uploading the state data of the driving units 3 to the upper computer.
Example 3
As shown in fig. 5 and fig. 6, in order to describe the implementation of the control system function in detail based on embodiment 2, the structure of the driving unit 3 and the connection relationship between the driving unit and the control system are specifically illustrated here:
the driving unit 3 comprises a motor 31, a clamping end connecting structure, a sliding rail 33, a sliding block 34, an installation base 35 and a pressure sensor 36, wherein the installation base 35 of the driving unit 3 is fixed on the lower bottom surface of the upper die 1 through bolts, one end of the sliding rail 33 is fixed on the upper end surface of the installation base 35, the motor 31 is fixed on the other end of the sliding rail 33 through a flange, a main shaft of the motor 31 is a ball screw rod 32, the other end of the ball screw rod 32 is rotationally fixed in the middle of the installation base 35, the sliding block 34 is sleeved on the ball screw rod 32 in an engaged fit manner through a screw nut installed in the sliding block 34 and the ball screw rod 32, and the bottom of the sliding block 34 is slidably arranged on the sliding rail 33; the clamping end connecting structure comprises a connecting rod 37 and a connecting seat 38, the connecting seat 38 is fixed on the upper part of the sliding block 34 through a bolt, the connecting rod 37 is fixed on the connecting seat 38, one end of the pressure sensor 36 is installed on the connecting rod 37 to be connected, and the other end of the pressure sensor 36 is connected with the clamping element 4; the motor 31 and the pressure sensor 36 are respectively in communication connection with the lower computer, the motor 31 executes an instruction received by the lower computer from the upper computer, and drives the ball screw rod 32 to rotate, so that the sliding block 34 moves, and the connecting rod 37 drives the clamping element 4 to pass through the clamping hole to move, and ceramic core clamping and ceramic core releasing are completed; the pressure sensor 36 detects a pressure signal of the clamping element 4 and uploads the pressure signal to the lower computer, and when the pressure signal received by the lower computer reaches a clamping pretightening force preset by the upper computer in the ceramic core clamping process, the motor is instructed to stop moving to complete ceramic core clamping, and the pressure signal is one of state data of the driving unit 3.
The connecting rod 37 is provided with a side hole for leading out a data power line of the pressure sensor 36.
The status data of the drive unit 3 also include the state of motion of the motor 31.
The bottom of slider 34 is equipped with four bearings 39, bearing 39 rotates to be fixed in four angles of the bottom of slider 34, every bearing 39 all with the outside joint of slide rail 33 ensures the stability of slider 34 motion.
The positioning hole is provided with a section of thread, the positioning element 5 is a columnar ladder-shaped part with an external thread part 51, an intermediate part 52 and an abutting part 53, the external thread part 51 is in threaded connection with the thread of the positioning hole, the abutting part 53 is in a ball head shape and is used for abutting and positioning with the ceramic core, and one end of the external thread part 51 is provided with a screwing groove 54.
The clamping element 4 is of a cylindrical stepped construction.
The clamping hole is a stepped hole, the clamping element 4, the pressure sensor 36 and the connecting rod 37 enter the mold cavity 7 through the stepped hole, and the clamping element 4 and the stepped hole are matched to play a guiding role.
For a better understanding the utility model discloses, here disclose the utility model discloses a use promptly wax matrix pressing process step:
step 1: placing the ceramic core on a positioning element 5 of a lower mold cavity of the wax mold, wherein the ceramic core is required to be contacted with six positioning points simultaneously due to the adoption of 6-point positioning;
step 2: mold closing, namely combining an upper mold and a lower mold of the mold based on a wax mold closing mechanism;
and step 3: mode locking, namely placing a wax mould which is not clamped by the ceramic core in a wax pressing machine, and limiting the mould to move by the mode locking force of a mould locking mechanism of the wax pressing machine to the mould;
and 4, step 4: ceramic core clamping, namely configuring advancing speed and clamping pretightening force by using the driving unit, then driving the clamping element to move towards the ceramic core direction under the driving of the driving unit, and stopping the movement of the clamping element when the clamping element is in contact with the ceramic core and the contact pressure reaches the pretightening force value to finish the ceramic core clamping; it is to be noted that: in order to avoid the disturbance of the position and the posture of the ceramic core caused by the different contact sequences of the clamping elements and the ceramic core, the movement speed of each clamping element is determined based on the evacuation distance of the clamping element after the last wax pattern pressing, namely: vi＝ΔDia/T; wherein, Δ DiThe last time of wax pattern pressing is used for finishing the withdrawing distance of the ith clamping element, namely the initial distance between the current clamping element i and the ceramic core, and T is clamping time;
and 5: wax pressing, namely setting wax pressing parameters including injection pressure, pressure maintaining pressure and pressure maintaining time to finish wax pattern pressing;
step 6: and (3) opening the mould, namely configuring a withdrawing speed and a withdrawing distance by each driving unit, then driving the clamping elements to move in a direction away from the ceramic core under the driving of the driving units, and opening the mould and taking out the wax mould when the clamping elements are withdrawn to a specified distance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A hollow turbine blade precision casting wax mold die for realizing automatic ceramic core clamping comprises an upper die, a lower die, a ceramic core and a control system, and is characterized in that the upper die and the lower die form a die cavity after being closed, and the ceramic core is arranged in the die cavity;
three driving units are fixed on the upper bottom surface of the upper die, each driving unit is connected with a clamping element, and a clamping hole leading to the die cavity is formed in the upper bottom surface of the upper die;
six positioning holes are formed in the lower die, the positioning holes are communicated with the die cavity, and the ceramic core is positioned through a positioning element arranged in each positioning hole;
the control system receives the state data of each driving unit and simultaneously sends out an instruction for controlling each driving unit to execute ceramic core clamping or ceramic core releasing, each driving unit uploads the state data to the control system and receives the instruction of the control system, the ceramic core is clamped and controlled by the clamping element, and the ceramic core clamping pretightening force is guaranteed.
2. The precision casting wax mold for the hollow turbine blade for realizing the automatic ceramic core clamping as claimed in claim 1, wherein the control system comprises an upper computer and a lower computer which are in communication connection;
the upper computer receives an operation instruction of an operator, transmits the instruction to the lower computer, and simultaneously displays state data of the drive unit received by the lower computer to the operator, wherein the operation instruction comprises a ceramic core clamping instruction and a ceramic core releasing instruction, and the instruction input by the ceramic core clamping instruction comprises the movement speed and the clamping pretightening force of each clamping element; the command input by the ceramic core releasing command comprises the evacuation distance and the evacuation speed of each clamping element;
the lower computer receives the instruction of the upper computer and controls each driving unit to carry out ceramic core clamping and ceramic core releasing; and reading the state data of each driving unit and uploading the state data of the driving units to the upper computer.
3. The hollow turbine blade precision casting wax mold die for realizing automatic ceramic core clamping is characterized in that the driving unit comprises a motor, a clamping end connecting structure, a slide rail, a slide block, a mounting base and a pressure sensor, the mounting base of the driving unit is fixed on the lower bottom surface of the upper die through bolts, one end of the slide rail is fixed on the upper end surface of the mounting base, the motor is fixed on the other end of the slide rail through a flange, a main shaft of the motor is a ball screw rod, the other end of the ball screw rod is rotationally fixed in the middle of the mounting base, the slide block is sleeved on the ball screw rod through a screw nut arranged in the slide block and the ball screw rod in an engaged and matched mode, and the bottom of the slide block is slidably arranged on the slide rail; the clamping end connecting structure comprises a connecting rod and a connecting seat, the connecting seat is fixed on the upper portion of the sliding block through a bolt, the connecting rod is fixed on the connecting seat, one end of the pressure sensor is installed on the connecting rod to be connected, and the other end of the pressure sensor is connected with the clamping element; the motor and the pressure sensor are respectively in communication connection with the lower computer, the motor executes an instruction received by the lower computer from the upper computer to drive the ball screw rod to rotate, so that the sliding block moves, and the connecting rod drives the clamping element to pass through the clamping hole to move, and ceramic core clamping and ceramic core releasing are completed; the pressure sensor detects a pressure signal of the clamping element and uploads the pressure signal to the lower computer, and when the pressure signal received by the lower computer reaches the clamping pretightening force preset by the upper computer in the ceramic core clamping process, the motor is instructed to stop moving to complete ceramic core clamping, and the pressure signal is one of state data of the driving unit.
4. The hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping as claimed in claim 3, wherein four bearings are arranged at the bottom of the sliding block, the bearings are rotationally fixed at four corners of the bottom of the sliding block, and each bearing is clamped with the outer side of the sliding rail, so that the stability of the sliding block movement is guaranteed.
5. A hollow turbine blade precision casting wax pattern mold for realizing ceramic core automatic clamping as claimed in claim 1, wherein the locating hole is provided with a section of screw thread, the locating element is a cylindrical ladder shape with an external screw thread part, an intermediate part and an abutting part, the external screw thread part is in screw thread connection with the screw thread of the locating hole, the abutting part is in a ball head shape and is used for abutting and locating with the ceramic core, and one end of the external screw thread part is provided with a screwing groove.
6. A hollow turbine blade precision casting wax pattern mold for realizing ceramic core automatic clamping as claimed in claim 3, wherein the clamping element is a cylindrical step structure.
7. A hollow turbine blade precision casting wax pattern mold for realizing automatic ceramic core clamping as claimed in claim 6, wherein the clamping hole is a stepped hole, the clamping element, the pressure sensor and the connecting rod enter the mold cavity through the stepped hole, and the clamping element and the stepped hole cooperate to play a guiding role.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336341.0U CN210412407U (en) | 2019-08-18 | 2019-08-18 | Hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336341.0U CN210412407U (en) | 2019-08-18 | 2019-08-18 | Hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210412407U true CN210412407U (en) | 2020-04-28 |
Family
ID=70362935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921336341.0U Expired - Fee Related CN210412407U (en) | 2019-08-18 | 2019-08-18 | Hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210412407U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385401A (en) * | 2019-08-18 | 2019-10-29 | 山西大学 | A kind of hollow turbine vane essence casting wax molds realizing Tao Xin and clamping automatically |
| CN112517853A (en) * | 2020-11-30 | 2021-03-19 | 中国科学院金属研究所 | Method for positioning ceramic core of guide blade of hollow turbine in mold |
| CN112517854A (en) * | 2020-12-21 | 2021-03-19 | 贵阳航发精密铸造有限公司 | Ceramic core positioning method for manufacturing hollow turbine blade |
-
2019
- 2019-08-18 CN CN201921336341.0U patent/CN210412407U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385401A (en) * | 2019-08-18 | 2019-10-29 | 山西大学 | A kind of hollow turbine vane essence casting wax molds realizing Tao Xin and clamping automatically |
| CN110385401B (en) * | 2019-08-18 | 2024-03-12 | 山西大学 | Hollow turbine blade precision casting wax mold capable of realizing automatic ceramic core clamping |
| CN112517853A (en) * | 2020-11-30 | 2021-03-19 | 中国科学院金属研究所 | Method for positioning ceramic core of guide blade of hollow turbine in mold |
| CN112517854A (en) * | 2020-12-21 | 2021-03-19 | 贵阳航发精密铸造有限公司 | Ceramic core positioning method for manufacturing hollow turbine blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210412407U (en) | Hollow turbine blade precision casting wax mold for realizing automatic ceramic core clamping | |
| CN110385401B (en) | Hollow turbine blade precision casting wax mold capable of realizing automatic ceramic core clamping | |
| KR20040093110A (en) | Mold Section and Slide Assembly and Method for Assembling in Multiple-Slide Die-Casting System | |
| CN105459345A (en) | Fan blade injection mold for exhaust fan | |
| CN216226514U (en) | Stamping die convenient to demould for precision machining | |
| CN107053292B (en) | A kind of plastic plate scale cun cutting integration apparatus | |
| CN209810963U (en) | Expansion die adjusting mechanism and expansion die | |
| CN114770840A (en) | Mold pressing device for preparing spectacle rubber plate and preparation method thereof | |
| CN209937556U (en) | Mold for molding resin artware | |
| CN210877470U (en) | Release agent spraying device | |
| CN203209688U (en) | Upper three punching device of powder metallurgy mold base | |
| CN113523231A (en) | Automatic equipment for taking and spraying release agent for 5G optical module structural member | |
| CN218699924U (en) | Synchronous control mechanism for opening and closing die motor | |
| CN103347673B (en) | The cartridge heater replacing options of vertical type injection molding machine and cartridge heater change fixture | |
| JP6534153B2 (en) | Clamping device and molding machine | |
| CN221952287U (en) | Die-casting machine die-closing mechanism for automobile parts | |
| CN208162595U (en) | A kind of Mold Core-pulling Mechanism of piston casting machine | |
| CN112108616A (en) | Cast aluminum die | |
| CN201645695U (en) | Adjusting, supporting and positioning mechanism for dies | |
| CN221581999U (en) | High-stability die casting die carrier | |
| CN220841231U (en) | Lamination die height adjusting mechanism | |
| CN219726658U (en) | Laminated slab pouring mold structure | |
| JPH0314609B2 (en) | ||
| CN214263793U (en) | Casting mold for actuator box body | |
| CN220030998U (en) | Mould for forming reading lamp bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210818 |