CN106644432B - Core pushing simulation mechanism - Google Patents
Core pushing simulation mechanism Download PDFInfo
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- CN106644432B CN106644432B CN201611095225.5A CN201611095225A CN106644432B CN 106644432 B CN106644432 B CN 106644432B CN 201611095225 A CN201611095225 A CN 201611095225A CN 106644432 B CN106644432 B CN 106644432B
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- plate
- top plate
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- matched
- mounting plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a simulated core jacking mechanism which comprises a frame, wherein the frame is used for supporting the edge of a die and is hollow in the interior, an installation seat is arranged in the frame, a lifting mechanism is arranged on the installation seat, the lifting mechanism comprises a top plate and a lifting driving device, the top plate can reciprocate up and down and is matched with the bottom surface of a lower core jacking plate of the die, and guide structures matched with the installation seat are arranged on two sides of the top plate. The invention has reasonable structural design, simple and quick detection, greatly shortens the time of back and forth transportation of the die, does not occupy the working time of equipment, and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the field of die manufacturing, in particular to a simulated core ejecting mechanism.
Background
At present, no equipment or tooling special for checking the die ejection mechanism exists, and after the die is machined and assembled, a casting manufacturer must be directly transported and installed on casting equipment to check whether the die ejection mechanism ejects smoothly or not and whether the clamping stagnation phenomenon exists. Because the mould is a large heavy object with the weight of one ton, after detecting that the ejection mechanism of the mould has a problem, the mould is required to be pulled back to a mould manufacturing factory for processing, so that huge manpower and material resources are spent for transporting the mould back and forth, and the production efficiency and the factory benefit are not beneficial to being improved.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a simulation core pushing mechanism which is simple to detect and easy to manufacture.
In order to achieve the above purpose, the invention provides a simulated core ejecting mechanism, which comprises a frame for supporting the edge of a die and having a hollow interior, wherein an installation seat is arranged in the frame, a lifting mechanism is arranged on the installation seat, the lifting mechanism comprises a top plate and a lifting driving device, the top plate can reciprocate up and down and is matched with the bottom surface of a lower core ejecting plate of the die, and guide structures matched with the installation seat are arranged on two sides of the top plate.
Further, the frame on include the support the base of mount pad, the edge is equipped with many stands around the base, many the stand top install the hollow backup pad that is used for supporting the mould edge jointly.
Further, the mounting seat comprises a bottom plate horizontally fixed at the bottom of the frame, vertical plates corresponding to the guide structures of the top plates are respectively arranged at two sides of the bottom plate, and a mounting plate which is horizontally arranged and can vertically fix the lifting driving device is connected between the tops of the two vertical plates.
Further, the lifting driving device is a hydraulic driving device and comprises a hydraulic cylinder and a piston rod, a connecting part connected with a shell of the hydraulic cylinder is arranged on the mounting plate, and a through hole vertically penetrating through the piston rod is formed in the connecting part.
As a further improvement, the middle part of the top plate is provided with a top column which is opposite to and connected with the hydraulic driving device, the top column is of a stepped shaft structure with a small outside and a large inside, one end of the inner side of the top plate is vertically inserted into the top plate and is limited on the inner side of the top plate through a stepped surface on the stepped shaft, one end of the outer side of the top plate is provided with a locking piece which transversely penetrates through the end part and protrudes outwards, and correspondingly, the outer side of the top plate is provided with a locking groove matched with the locking piece.
As a further improvement, the guide structure comprises guide posts vertically arranged at two sides of the bottom of the top plate and guide holes correspondingly arranged at two sides of the mounting plate, and guide sleeves matched with the guide posts are arranged on the guide holes; the guide sleeve is provided with a stop structure which is matched with the mounting plate and limits the displacement of the guide sleeve in two dimensions of the horizontal direction and the vertical direction.
Further, a threaded counter bore is formed in one end face of the guide post, a connecting hole which is vertically penetrated and arranged and is large at two ends and small in the middle corresponding to the threaded counter bore is formed in the top plate, a containing cavity for containing a bolt head is formed in one end of the outer side of the connecting hole, and a positioning hole which is matched with the top of the guide post is formed in one end of the inner side of the connecting hole.
As a further improvement, first reinforcing plates for connecting the mounting plate and the bottom plate are respectively arranged on two sides of the hydraulic cylinder, and second reinforcing plates are respectively arranged at the connecting positions of the two vertical plates and the mounting plate.
As a further improvement, the mounting plate is of an I-shaped structure with a narrowed middle, and the hydraulic cylinder is vertically hoisted in the center of the mounting plate.
As a further improvement, the top plate is provided with an avoidance hole which is matched with the bottom surface of the lower top core plate of the die.
Advantageous effects
Compared with the prior art, the invention has reasonable structure, simple and quick detection, greatly shortens the time of back and forth transportation of the die, does not occupy the working time of equipment, and greatly improves the working efficiency; the guide structure can ensure the stability and smoothness of the lifting action of the top plate; the frame type supporting structure is simple to manufacture, convenient to purchase materials and firm and stable in supporting.
Drawings
FIG. 1 is a perspective view of a simulated top core mechanism of the present invention;
FIG. 2 is a top plan view of a simulated top core mechanism of the present invention;
FIG. 3 is a cross-sectional view of the structure in the direction A-A of FIG. 2;
FIG. 4 is a cross-sectional view of the structure in the direction B-B in FIG. 2;
FIG. 5 is a perspective view of the structure of the frame of the present invention;
FIG. 6 is a top plan view of the structure of the top plate of the present invention;
FIG. 7 is a cross-sectional view of the structure in the direction B-B in FIG. 6;
FIG. 8 is a front view of the guide sleeve of the present invention;
FIG. 9 is a top plan view of the guide sleeve of the present invention;
fig. 10 is a front view of the structure of the jack post of the present invention.
In the figure: 1. a frame; 11. a base; 12. a column; 13. a support plate; 2. a mounting base; 21. a bottom plate; 22. a vertical plate; 23. a mounting plate; 24. a via hole; 25. a guide hole; 26. a connection part; 27. a first reinforcing plate; 28. a second reinforcing plate; 3. a top plate; 31. a connection hole; 32. a receiving chamber; 33. positioning holes; 34. avoidance holes; 35. a locking groove; 4. a lifting driving device; 41. a hydraulic cylinder; 42. a piston rod; 5. a top column; 51. a positioning part; 52. a screw hole; 53. a locking member; 6. a guide post; 61. a threaded counter bore; 7. a guide sleeve; 71. an annular flange; 72. a notch; 73. and (5) clamping blocks.
Detailed Description
The invention is further described below in connection with the examples, which are not to be construed as limiting the invention in any way, but rather as falling within the scope of the claims.
The specific embodiments of the present invention are as follows: referring to fig. 1-10, a core pushing simulation mechanism comprises a frame 1 for supporting the edge of a die and having a hollow interior, wherein an installation seat 2 is arranged in the frame 1, a lifting mechanism is arranged on the installation seat 2, the lifting mechanism comprises a top plate 3 and a lifting driving device 4, the top plate 3 can reciprocate up and down and is matched with the bottom surface of a lower core pushing plate of the die, and guide structures matched with the installation seat 2 are arranged on two sides of the top plate 3. After the die is machined and assembled, the die can be placed on the frame 1, so that the frame 1 is supported on the outer edge of the die, the top plate 3 is lifted upwards through the lifting driving device 4 arranged on the mounting seat 2, the top plate 3 is stably and vertically lifted under the guiding action of the guiding structure, the lower top core plate and the ejector rod on the die are ejected together, and whether the ejection mechanism of the die meets the requirements can be checked by observing and checking whether the clamping stagnation phenomenon exists in the upward ejection process of the lower top core plate and the ejector rod on the die; and then the top plate 3 and the lower top core plate and the top rod on the die are lowered together under the action of gravity, whether the return of the ejection mechanism has a clamping stagnation phenomenon is checked, the design of the simulation top core mechanism is reasonable, the detection is simple and quick, the large die is directly debugged after the manufacturing is finished, the large die is not required to be installed on casting equipment for debugging through transportation, the time for transporting back and forth is greatly shortened, the working time of the equipment is not required to be occupied, and the working efficiency is greatly improved.
In this embodiment, including the base 11 that supports mount pad 2 on the frame 1, base 11 is the square structure that forms by the channel-section steel welding, and the edge is equipped with many stands 12 around base 11, and many stands 12 tops install the hollow backup pad 13 that is used for supporting the mould edge jointly, and stand 12 is for welding in the recess of the peripheral channel-section steel on base 11 perpendicularly, is equipped with the opening that roof 3 passed through from top to bottom on the backup pad 13, and frame 1 uses the channel-section steel concatenation to form, and simple manufacture, material purchase is convenient, and the supporting effect is good moreover, and the maintenance cost is low.
In this embodiment, the mounting base 2 includes a bottom plate 21 horizontally fixed at the bottom of the frame 1, the bottom plate 21 is fixed on the channel steel of the base 11, two sides of the bottom plate 21 are respectively provided with a vertical plate 22 corresponding to the guiding structure of the top plate 3, a mounting plate 23 horizontally arranged and capable of vertically fixing the lifting driving device 4 is connected between the tops of the two vertical plates 22, the lifting driving device 4 is vertically fixed through the mounting base 2, and a mounting opening opposite to the lifting driving device 4 is arranged on the bottom plate 21, so that the lifting driving device 4 is convenient to hoist.
In this embodiment, the lifting driving device 4 is a hydraulic driving device, and comprises a hydraulic cylinder 41 and a piston rod 42, a connecting part 26 connected with a shell of the hydraulic cylinder 41 is installed on the plate 23, a through hole 24 through which the piston rod 42 vertically passes is arranged on the connecting part 26, the hydraulic cylinder 41 is vertically arranged in the mounting seat 2, and the piston rod 42 is driven to move up and down by controlling the hydraulic cylinder 41 to drive the top plate 3 to move up and down; the pressure of the hydraulic cylinder 41 is adjusted according to the weight of the ejection mechanism of the die, when the lower core plate and the ejector rod are subjected to great friction force or clamping stagnation in the process that the top plate 3 ejects the lower core plate upwards, the pressure of the hydraulic cylinder 41 is insufficient, the ejection mechanism cannot be ejected upwards, and the problem of the ejection mechanism of the die is detected.
In this embodiment, the middle part of the top plate 3 is provided with a top post 5 opposite to and connected with the hydraulic driving device, the top post 5 is of a stepped shaft structure with a small outside and a large inside, one end of the inner side is vertically inserted into the top plate 3 and limited on the inner side of the top plate 3 through a stepped surface on the stepped shaft, one end of the outer side is provided with a locking piece 53 which crosses the end and protrudes outwards, correspondingly, the outer side of the top plate 3 is provided with a locking groove 35 matched with the locking piece 53, one end of the inner side of the top post 5 is protruding with a positioning part 51 inserted into the top plate 3, the positioning part 51 is matched with the locking groove 35 of the top plate 1, the top post 5 is tightly connected with the top plate 3 through the locking piece 53, the other end of the inner side of the top post 5 is provided with a screw hole 52 in threaded connection with a piston rod 42, the piston rod 42 is connected with the top plate 3 through the top post 5, the installation is rapid, the connection is firm, the stress area of the top plate 3 is increased, and the phenomenon that the top plate 3 is prevented from shaking due to uneven stress is caused.
In this embodiment, the guiding structure includes guiding posts 6 vertically disposed at two sides of the bottom of the top plate 3 and guiding holes 25 correspondingly disposed at two sides of the mounting plate 23, and guiding sleeves 7 adapted to the guiding posts 6 are mounted on the guiding holes 25, so that the top plate 3 can not swing during ejection operation by the relative sliding action of the guiding sleeves 7 and the guiding posts 6, and stable and smooth lifting operation is ensured; the guide sleeve 7 is provided with a stop structure which is matched with the mounting plate 23 and limits the displacement of the guide sleeve 7 in two dimensions of the horizontal direction and the vertical direction, the stop structure comprises an annular flange 71 which is arranged on the outer wall of the guide sleeve 7 in a protruding mode and is matched with the top surface of the mounting plate 23, a notch 72 is arranged on the annular flange 71, a clamping block 73 which is clamped with the notch 72 is mounted on the mounting plate 23, the lower end of the clamping block 73 is fixed on the mounting plate 23 through threads, the upper end of the clamping block 73 is clamped with the notch 72 of the guide sleeve 7, the design is ingenious, the installation is easy, and the guide sleeve 7 is effectively prevented from rotating or loosening.
In addition, a threaded counter bore 61 is formed in one end face of the guide post 6, a connecting hole 31 which is vertically penetrated and arranged and corresponds to the threaded counter bore 61 and is large at two ends and small in the middle is formed in the top plate 3, the guide post 6 is firmly connected with the top plate 3 through a bolt, a containing cavity 32 for containing a bolt head is formed in one end of the outer side of the connecting hole 31, the head of the connecting bolt is completely contained in the upper end of the connecting hole 31, the guide post 6 is connected with the top plate 3 more compactly, and interference of the bolt head on the top plate 3 and the lower top core plate of the die is prevented; one end of the inner side of the connecting hole 31 is provided with a positioning hole 33 which is matched with the top of the guide post 6, the positioning hole 33 is matched with the guide post 6, the guide post 6 is effectively ensured to be vertical to the top plate 3, and the guide post 6 is more firmly installed.
In this embodiment, the mounting plate 23 is of an i-shaped structure with a narrowed middle, the hydraulic cylinder 41 is vertically suspended in the center of the mounting plate 23, the first reinforcing plates 27 for connecting the mounting plate 23 with the bottom plate 21 are respectively arranged at two sides of the hydraulic cylinder 41, the second reinforcing plates 28 are respectively arranged at the joints of the two vertical plates 22 and the mounting plate 23, and the mounting seat 2 is firmer and more reliable due to the reinforcing effect of the first reinforcing plates 27 and the second reinforcing plates 28, so that the adaptability of the mounting seat 2 is enhanced, and the service life of the mechanism is prolonged.
In the embodiment, the top plate 3 is provided with the avoiding holes 34 which are matched with the bottom surface of the lower top core plate of the die, the top plate 3 is in close contact with the lower top core plate, the stress balance of the lower top core plate is ensured, and the die top core mechanism operates stably and smoothly.
When the die is specifically used, after processing and assembling, a large die is arranged on a supporting plate 13 of the core jacking mechanism, a hydraulic driving device is started, a piston rod 42 is ejected upwards, so that a top plate 3 is lifted, the top plate 3 is matched with the bottom surface of a lower core jacking plate of the die, the lower core jacking plate is lifted, so that the lower core jacking plate and a top rod are lifted, and if the lower core jacking plate and the top rod can be lifted smoothly, the processing and assembling of the core jacking mechanism of the die are qualified; if the lower top core plate and the ejector rod are blocked, the pressure of the hydraulic cylinder 41 is insufficient to support the lower top core plate and the ejector rod to rise, and the ejection mechanism does not meet the requirements; and, through reducing the working pressure of the hydraulic cylinder 41, the top plate 3, the lower top core plate on the die and the ejector rod are lowered together, and whether the ejector mechanism is blocked or not is observed to judge whether the ejector mechanism meets the requirement.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (5)
1. The simulation core jacking mechanism is characterized by comprising a frame (1) which is used for supporting the edge of a die and is hollow in the interior, wherein an installation seat (2) is arranged in the frame (1), a lifting mechanism is arranged on the installation seat (2), the lifting mechanism comprises a top plate (3) which can reciprocate up and down and is matched with the bottom surface of a lower core jacking plate of the die and a lifting driving device (4), and guide structures matched with the installation seat (2) are arranged on two sides of the top plate (3); the mounting seat (2) comprises a bottom plate (21) horizontally fixed at the bottom of the frame (1), two sides of the bottom plate (21) are respectively provided with a vertical plate (22) corresponding to the guide structure of the top plate (3), and a mounting plate (23) which is horizontally arranged and can vertically fix the lifting driving device (4) is connected between the tops of the two vertical plates (22); the lifting driving device (4) is a hydraulic driving device and comprises a hydraulic cylinder (41) and a piston rod (42), a connecting part (26) connected with a shell of the hydraulic cylinder (41) is arranged on the mounting plate (23), and a through hole (24) through which the piston rod (42) vertically passes is formed in the connecting part (26); the guide structure comprises guide posts (6) vertically arranged at two sides of the bottom of the top plate (3) and guide holes (25) correspondingly arranged at two sides of the mounting plate (23), and guide sleeves (7) matched with the guide posts (6) are arranged on the guide holes (25); the guide sleeve (7) is provided with a stop structure which is matched with the mounting plate (23) and limits the displacement of the guide sleeve (7) in two dimensions of the horizontal direction and the vertical direction, the stop structure comprises an annular flange (71) which is convexly arranged on the outer wall of the guide sleeve (7) and is matched with the top surface of the mounting plate (23), a notch (72) is arranged on the annular flange (71), and a clamping block (73) which is clamped with the notch (72) is arranged on the mounting plate (23); the middle part of the top plate (3) is provided with a top column (5) which is opposite to the lifting driving device (4) and is connected with the lifting driving device, the top column (5) is of a stepped shaft structure with a small outside and a large inside, one end of the inner side of the top column is vertically inserted into the top plate (3) and is limited on the inner side of the top plate (3) through a stepped surface on the stepped shaft, one end of the outer side of the top column is provided with a locking piece (53) which transversely crosses the end and protrudes outwards, and correspondingly, the outer side of the top plate (3) is provided with a locking groove (35) which is matched with the locking piece (53); a threaded counter bore (61) is formed in one end face of the guide post (6), a connecting hole (31) which is vertically penetrated and arranged and is large at two ends and small in the middle corresponding to the threaded counter bore (61) is formed in the top plate (3), a containing cavity (32) for containing a bolt head is formed in one end of the outer side of the connecting hole (31), and a positioning hole (33) which is matched with the top of the guide post (6) is formed in one end of the inner side of the connecting hole (31).
2. A simulated core ejecting mechanism as claimed in claim 1, wherein said frame (1) comprises a base (11) for supporting said mounting base (2), a plurality of posts (12) are provided at the peripheral edge of said base (11), and hollow support plates (13) for supporting the edges of the mold are mounted on the tops of said posts (12) together.
3. A simulated core jack mechanism as claimed in claim 2 wherein a first reinforcing plate (27) is provided on each side of said cylinder (41) for connecting said mounting plate (23) to said base plate (21), and a second reinforcing plate (28) is provided at each junction of said two vertical plates (22) and said mounting plate (23).
4. A simulated core ejecting mechanism as claimed in claim 3, wherein said mounting plate (23) is of a narrowed structure in the shape of an "i", said hydraulic cylinder (41) being vertically suspended in the centre of said mounting plate (23).
5. A simulated top core mechanism as claimed in claim 4, wherein said top plate (3) is provided with relief holes (34) adapted to the underside of said lower top core plate of said mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095225.5A CN106644432B (en) | 2016-12-02 | 2016-12-02 | Core pushing simulation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611095225.5A CN106644432B (en) | 2016-12-02 | 2016-12-02 | Core pushing simulation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644432A CN106644432A (en) | 2017-05-10 |
| CN106644432B true CN106644432B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611095225.5A Active CN106644432B (en) | 2016-12-02 | 2016-12-02 | Core pushing simulation mechanism |
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| CN (1) | CN106644432B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926549A (en) * | 2019-05-06 | 2019-06-25 | 广西玉柴机器股份有限公司 | A kind of cylinder of diesel engine casting core ejection mechanism of die for making core |
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| CN106644432A (en) | 2017-05-10 |
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