CN119098561B - Core shooter drive control system and core shooter - Google Patents
Core shooter drive control system and core shooter Download PDFInfo
- Publication number
- CN119098561B CN119098561B CN202411536061.XA CN202411536061A CN119098561B CN 119098561 B CN119098561 B CN 119098561B CN 202411536061 A CN202411536061 A CN 202411536061A CN 119098561 B CN119098561 B CN 119098561B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
- B22C19/04—Controlling devices specially designed for moulding machines
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides a core shooter drive control system and core shooter, relates to casting molding equipment technical field, be provided with two first track framves perpendicular with chassis extending direction on the chassis, the activity has the groined type mounting bracket on two first track framves, the mounting bracket can follow first track frame and make core station and coring between the station reciprocating motion, mould jacking system still includes the multiunit first servo motor that sets up in the chassis, first servo motor's output is connected with first lead screw through the speed reducer, first lead screw runs through to have threaded sleeve through threaded connection in the first track frame, and threaded sleeve top rigid coupling has the jacking piece. The oil way arrangement is saved, the jacking system is simpler, the jacking abrasion of the screw rod is smaller, the overhaul and maintenance are simpler, the starting is stable, the noise is lower, the service life is longer, and the sealing performance between the jacking core box die and the core shooting end can be maintained for a long time.
Description
Technical Field
The invention relates to the technical field of casting molding equipment, in particular to a core shooter driving control system and a core shooter.
Background
The sand core of the casting pipe socket plays an important role in the casting process, is mainly used for forming a cavity and a complex shape in the casting pipe socket, is widely applied to casting production of various pipelines, such as boiler pipelines, water supply and drainage pipelines and the like, meets the requirements of different industries, is an indispensable important part in the casting process, and the performance and the quality of the sand core directly influence the overall quality and the service performance of castings.
When the bellmouth sand core is prepared, the bellmouth sand core is required to be subjected to the processes of raw material preparation, sand mixing, core making, demolding, dip coating and the like, when the bellmouth sand core is subjected to core making and demolding, a core shooter is required to be used, the bellmouth sand core comprises a core shooting end and a mould end, the mould end comprises a core box mould and a track, the core box mould moves to and fro at the bottom of the core shooting end and a coring station through a driving device, when the bellmouth sand core is arranged at the bottom of the core shooting end, a jacking device is required to jack the bellmouth sand core and tightly attach to the core shooting end, core sand enters the core box mould from the core shooting end to be molded, the existing jacking device is in the form of a plurality of oil cylinders, but the oil circuits are complex and occupy a large space due to the self characteristics of the oil cylinders, and the phenomenon of asynchronous lifting and the core box mould is caused when the oil cylinders are in a lifting state is in which is asynchronous when a certain oil cylinder is in oil leakage, blockage or has a pressure regulation fault.
And when core box mould is in core making and coring, need open and close the mould, current mould that opens and shuts adopts the mode that two moulds of hydro-cylinder drive removed, drives two moulds and removes along the guide bar, long-time use, along with the wearing and tearing of guide pin bushing and guide bar, can appear two moulds and have the error in the distance that moves in opposite directions or in opposite directions, open and shut the mistake, on the one hand the condition of leaking sand appears, on the other hand leads to the appearance overlap burr of psammitolite, influences the quality of psammitolite.
Disclosure of Invention
In order to solve the problems, the invention provides a driving control system of a core shooter and the core shooter.
The technical scheme of the invention is as follows:
a core shooter drive control system located below a core making station and a coring station, the core making station being disposed adjacent the coring station, comprising:
The support system comprises a plurality of underframes which are arranged side by side, two first track frames which are perpendicular to the extending direction of the underframe are arranged on the underframe, a groined mounting frame is movably arranged on the two first track frames, the mounting frame can reciprocate between a core making station and a core taking station along the first track frames, and the mounting frame comprises a second track frame which is positioned on the first track frames and is parallel to the first track frames and a third track frame which is perpendicular to the second track frame;
The core box system comprises two groups of semicircular moulds which are positioned on the third track frame, and the two groups of semicircular moulds can move in opposite directions or in opposite directions along the third track frame, a cylindrical core rod is arranged between the two groups of semicircular moulds, and the cylindrical core rod can move in the vertical direction;
the driving system comprises a reciprocating movement system, a die jacking system and a die opening and closing system, wherein the reciprocating movement system comprises two telescopic cylinders arranged on a bottom frame and respectively positioned outside two first track frames, and the output ends of the two telescopic cylinders are connected with the side surface of any one third track frame and can drive the mounting frame to slide along the first track frames;
The die jacking system further comprises a plurality of groups of first servo motors arranged in the underframe and respectively positioned at one sides of the crossing positions of the underframe and the first track frame, wherein the output end of each first servo motor is connected with a first lead screw through a speed reducer, the first lead screw is vertically upwards positioned at the crossing point of the underframe and the first track frame, the first lead screw penetrates into the first track frame and is connected with a threaded sleeve through threads, the top end of the threaded sleeve is fixedly connected with a jacking block, and a penetrating groove for the threaded sleeve to penetrate through is correspondingly formed in the first track frame;
the die opening and closing system comprises two connecting frames arranged on the second track frame and positioned outside the third track frame respectively, a second servo motor is arranged on the side face of the connecting frame, the output end of the connecting frame is connected with a second lead screw through a speed reducer, the second lead screw is arranged in parallel with the third track frame, two sections of reverse threads are arranged on the outer edge face of the second lead screw, and thread barrels meshed with the reverse threads respectively are arranged on the side faces of the two groups of semicircular dies.
In order to enable the mounting frame to move along the first track frame more smoothly, moving wheels are mounted inside two ends of the second track frame, and the moving wheels are located outside the third track frame and are in contact with the first track frame.
Two guide wheels are mounted at two ends of one side, opposite to the second track frames, of each guide wheel, the guide wheels are in contact with the first track frames, and the axes of the guide wheels are vertical.
In order to improve stability when the mould is lifted, the center of the crossing position of the second track frame and the third track frame is ensured to coincide with the center of the threaded sleeve, and the distance between the center points of the two threaded sleeves in the extending direction of the first track frame is consistent with the distance between the middle points of the two crossing positions of the second track frame and the third track frame in the extending direction.
In order to enable the two dies to be more stable in moving, the two dies can be guided, guide rails are uniformly distributed on the two third rail frames, and a plurality of guide sliding blocks which are in sliding connection with the guide rails are arranged at the bottoms of the semicircular dies.
In order to support the mold opening and closing system, the mold opening and closing system is more stable, two U-shaped frames are arranged at the bottom of the third rail frame and are vertically arranged with the third rail frame, and the vertical ends of the third rail frame extend upwards to be propped against the two connecting frames.
In order to drive the cylindrical core rod to move up and down, core pulling action is realized, the core rod is convenient to separate from a sand core manufactured in a die, the driving system further comprises a core rod lifting system, the core rod lifting system comprises two mounting plates connected between a second track frame and a third track frame, a third servo motor is arranged below the mounting plates, and the output end of the third servo motor is connected with a third lead screw through a speed reducer;
the third lead screw penetrates through the mounting plate and is connected with the lifting seat through threads, and the bottom of the cylindrical core rod is fixed with the lifting seat through the locking piece and can move up and down along with the lifting seat.
In order to ensure that the lifting seat is more stable in lifting and moves in a strict vertical direction, the bottom of the lifting seat is provided with a lifting guide rod, and the lifting guide rod penetrates through the mounting plate and the U-shaped frame and is in sliding connection with the mounting plate and the U-shaped frame.
The concrete design of retaining member is, the mount is installed to cylinder plug bottom surface, the retaining member is including installing in the locking cylinder of elevating seat upper end, locking cylinder's output is towards solid frame and install the wedge, mount department has seted up with wedge complex locking groove.
A core shooter is provided with the driving control system of the core shooter.
The invention has the beneficial effects that the driving control system of the core shooter and the core shooter can drive two groups of semicircular moulds to move between a core making station and a core taking station along the first track frame in a reciprocating way through the arrangement of the telescopic cylinder, thereby meeting the requirements of core preparation and core taking after the preparation is finished;
Secondly, different from the existing oil cylinder jacking core box die, the four groups of servo motors are adopted to drive corresponding screw rods to rotate simultaneously, and then the threaded sleeves are driven to move upwards synchronously, so that jacking of the core box die is realized, oil way arrangement is saved, a jacking system is simpler, screw rod jacking abrasion is smaller, overhauling and maintenance are simpler, starting is stable, noise is lower, service life is longer, and the jacking core box die can maintain tightness with a core shooting end for a long time;
Finally, through the design of the mold opening and closing system, the servo motor is adopted to drive the screw rod to rotate, and then two molds are driven to move through two sections of reverse threads, mold opening and closing is completed, the problem that an oil cylinder needs to be matched with a guide rod guide sleeve to be used, and a guide rod is worn is effectively avoided, the problem that the mold opening and closing is incorrect due to the error of the opening and closing distance of the two molds is avoided, and compared with the oil cylinder, the mold opening and closing system is low in driving energy consumption and high in reliability, the two molds are closed more closely, and the quality of sand cores is improved.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application.
In the drawings:
FIG. 1 is a schematic view of a portion of a core making system;
FIG. 2 is a schematic diagram of a drive control system;
FIG. 3 is a first cross-sectional view;
FIG. 4 is a schematic diagram of a mold opening and closing system;
FIG. 5 is a schematic diagram of an uninstalled core box system;
FIG. 6 is a second cross-sectional view;
FIG. 7 is a third cross-sectional view;
The components represented by the reference numerals in the figures are:
1. The device comprises a core making station, 2, a core taking station, 3, a supporting system, 31, a bottom frame, 32, a first rail frame, 33, a mounting frame, 331, a second rail frame, 332, a third rail frame, 333, a guide rail, 334, a guide sliding block, 34, a moving wheel, 35, a guide wheel, 4, a core box system, 41, a semicircular mould, 42, a cylindrical core rod, 5, a reciprocating system, 51, a telescopic cylinder, 52, a fixing plate, 6, a mould jacking system, 61, a first servo motor, 62, a first lead screw, 63, a threaded sleeve, 64, a jacking block, 65, a penetrating groove, 7, a mould opening and closing system, 71, a connecting frame, 72, a second servo motor, 73, a second lead screw, 74, a threaded cylinder, 75, a U-shaped frame, 8, a core rod lifting system, 81, a mounting plate, 82, a third servo motor, 83, a third lead screw, 84, a lifting seat, 85, a locking piece, a locking cylinder, 851, a wedge block, 853, a locking groove, 86, lifting and 87, a fixing frame.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art, and the disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Examples: the driving control system of the core shooter as shown in fig. 1-7 is combined with fig. 1, and is positioned below a core making station 1 and a core taking station 2, the core making station 1 is arranged adjacent to the core taking station 2, the core making station 1 is a sand shooting position, a core shooting end and a core box system 4 in the scheme are the prior art, the scheme is mainly an improved driving system, and the core taking station 2 is mainly a truss robot which moves in a matched mode to take out sand cores in a core box mould, and is also the prior art, therefore, the specific design of the core making station 1 and the core taking station 2 is not redundant, the driving control system in the scheme specifically comprises a supporting system 3, combined with fig. 2, mainly used for supporting the core box system 4, and comprises a plurality of side by side 31, in the scheme, two bottom frames 31 are arranged in parallel, two reinforcing frames are connected between the two reinforcing frames, two first rail frames 32 which are perpendicular to the extending direction of the bottom frames 31 are arranged on the bottom frames 31, the two first rail frames 32 are arranged at intervals, the two first rail frames 32 extend from the core taking station 1 to the bottom frames 331 in the same plane as the first rail frames 32, the first rail frames 33 and the second rail frames 33 are arranged on the bottom frames 32 in parallel to the bottom frames of the first rail frames 33, the first rail frames 33 and the second rail frames 32 are arranged on the bottom frames 33, the first rail frames 32 are positioned on the same plane, and the bottom frames 33 are positioned on the bottom frames 32 and the first rail frames 32 are positioned on the same plane, and the first rail frames 32 are positioned on the bottom frames 32, and the bottom frames 32 are positioned on the bottom frames 32, the upper end of the third rail 332 is used to slidably mount the core box system 4.
The movement of the mounting frame 33 is mainly driven by a reciprocating movement system 5 of a driving system, wherein the reciprocating movement system 5 comprises two telescopic cylinders 51 mounted on the bottom frame 31, the output ends of the telescopic cylinders 51 face the direction of the coring station 2 and are respectively positioned at the outer sides of the two first rail frames 32, the output ends of the two telescopic cylinders 51 are connected with the side surface of any one of the third rail frames 332, a fixing plate 52 is mounted at the outer sides of the third rail frames 332, the output ends of the telescopic cylinders 51 are connected with the fixing plate 52, in the scheme, the output ends of the telescopic cylinders 51 are connected with the side surface of one of the third rail frames 332 far away from the telescopic cylinders 51, the mounting frame 33 can be driven to slide along the first rail frames 32, when the telescopic cylinders 51 extend, the core box system 4 is pushed to move to the bottom of the coring station 2 along with the mounting frame 33, and when the telescopic cylinders 51 retract, the core box system 4 is driven to move along the core station 1 along with the mounting frame 33.
It should be noted that, referring to fig. 3, the moving wheels 34 are mounted inside two ends of the second rail frame 331, and the moving wheels 34 are located outside the third rail frame 332 and contact the first rail frame 32, four groups of moving wheels 34 are disposed, two groups of moving wheels are disposed at two ends of each second rail frame 331, and when the telescopic cylinder 51 drives the mounting frame 33 to move, the moving wheels 34 mounted on the second rail frame 331 rotate along the first rail frame 32. Alternatively, but not by way of limitation, the sensor position for early warning of the quality of the sand core may be selected at the contact position of the second rail frame 331 with the four sets of moving wheels 34, and the abnormal quality of the sand core is monitored at the moment of comprehensive analysis of the pressure signals, so that the abnormal quality can be found before coring in time, and defective products can be classified and processed.
In this embodiment, still include core box system 4, specifically, combine fig. 2, including two sets of semicircular mould 41 that are located on the third track frame 332, and the two can be along the opposite directions or move mutually apart of third track frame 332, be provided with the cylinder plug 42 between two sets of semicircular mould 41, semicircular mould 41 and cylinder plug 42 are current part, the space between mould and the plug is used for the shaping of psammitolite, the concrete structure does not make unnecessary the details, and cylinder plug 42 can move in vertical direction, and the removal of two sets of semicircular mould 41 is mainly driven through actuating system's die opening and closing system 7, wherein specifically, including installing two link plates 71 on second track frame 331, overlap joint is at two second track frame 331 both ends upper portions, and be located the outside of third track frame 332 respectively, link plate 71 side face is provided with second servo motor 72, and two second servo motor 72 are central symmetry for cylinder plug 42, guarantee to be to the driven equilibrium of two sets of semicircular mould 41, and its output is connected with second 73 through the speed reducer, second servo motor 73 and second track frame 332 and two sets of parallel screw thread drive screw thread 74 are equipped with two sets of opposite direction screw thread drive screw thread 74, and the opposite direction screw thread drive section of screw thread 74 is moved through the opposite direction screw thread drive section of thread 74.
Furthermore, referring to fig. 2 and 5, two U-shaped frames 75 are disposed at the bottom of the third rail 332 and are disposed perpendicular to the third rail 332, the vertical ends of the U-shaped frames extend upwards to abut against the two connecting frames 71, and the two ends of the U-shaped frames 75 can support the connecting frames 71, so that the stability of the connecting frames 71 is improved.
When the core box system 4 moves to the core making station 1 for core making, the core box system 4 needs to be lifted, so that the semicircular mold 41 is attached to the core shooting end, the lifting of the core box system 4 is mainly realized through the mold lifting system 6 of the driving system, wherein, in combination with fig. 3 and 7, the mold lifting system 6 comprises a plurality of groups of first servo motors 61 arranged in the underframe 31 and are respectively positioned at one side of the crossing position of the underframe 31 and the first track frame 32, the output end of the first servo motor 61 is connected with a first lead screw 62 through a speed reducer, the first lead screw 62 is vertically upwards and positioned at the crossing point of the underframe 31 and the first track frame 32, the first lead screw 62 penetrates into the first track frame 32 and is provided with a threaded sleeve 63 through threaded connection, the top end of the threaded sleeve 63 is fixedly connected with a lifting block 64, the first track frame 32 is correspondingly provided with a through groove 65 for the threaded sleeve 63 to penetrate, the threaded sleeve 63 and the through groove 65 is respectively arranged to be square, the through groove 65 can rotate the threaded sleeve 63 at one side of the crossing position of the underframe 31 and the first track frame 32, and the first track frame 31 and the second track frame 32 are enabled to be more stable in the same as the first track 33, and the second track 33 is enabled to be at the crossing point of the same as the first track 33, and the second track 33 is enabled to be more stable, and the first track 33 is enabled to be at the same as the first track and the first track 33 and the second track 33.
On the basis of the above structure, the guide rails 333 are disposed on the two third rail frames 332, the bottoms of the semicircular molds 41 are respectively provided with a plurality of guide sliders 334 slidably connected with the guide rails 333, and when the second servo motor 72 drives the two sets of semicircular molds 41 to move in opposite directions or in opposite directions, the guide sliders 334 slide along the guide rails 333.
It should be noted that, two opposite side both ends of the second rail frame 331 are all installed the leading wheel 35, the leading wheel 35 contacts with the first rail frame 32 and sets up, and the axis is vertical to be set up, through setting up the leading wheel 35, on the one hand when second rail frame 331 moves along first rail frame 32, leading wheel 35 moves along first rail frame 32 side, plays the effect of direction, secondly, when mould jacking system 6 drive core box system 4 reciprocates, leading wheel 35 can slide from top to bottom along first rail frame 32 to when second rail frame 331 moves to the highest position, still contradicts with first rail frame 32 side, plays spacing effect for second rail frame 331.
The drive lift to the plug has also improved in this scheme, wherein, combine fig. 5-7, fig. 7 is the section view when core box system 4 is located mould jacking system 6 directly over, actuating system still includes plug lifting system 8, and it includes the mounting panel 81 of being connected between two second track framves 331 and the third track framves 332, mounting panel 81 and the lower terminal surface parallel and level of second track framves 331 and third track framves 332, the third servo motor 82 is installed to mounting panel 81 below, and the output of third servo motor 82 is connected with third lead screw 83 through the speed reducer, and the vertical upward setting of third lead screw 83 runs through mounting panel 81 and has lifting seat 84 through threaded connection, and lifting seat 84 is frame-shaped structure, and cylinder plug 42 falls in frame-shaped structure's upper end, cylinder plug 42 bottom is fixed through retaining member 85 and lifting seat 84, can drive the rotation of third track frap, and then the core is drawn down to the motion through the meshing of screw thread and is followed to the lifting seat 84, and is moved down with the lifting core 42 through the retaining member, and the top core is made and the downward movement is made with the sand core 42 is made to the top to the effect is protected the bottom of the core 42 that is moved with respect to the vertical position of the lifting core 42.
In order to ensure the stability of the lifting seat 84 during lifting, the bottom of the lifting seat 84 is provided with lifting guide rods 86, and the lifting guide rods 86 penetrate through the mounting plate 81 and the U-shaped frames 75 and are in sliding connection with the mounting plate and the U-shaped frames 75, in the scheme, the lifting guide rods 86 are arranged four in total and symmetrically around the third screw rod 83, respectively penetrate through the two U-shaped frames 75 and play a role in guiding and limiting on the lifting of the lifting seat 84.
In this embodiment, the fixed frame 87 is installed on the bottom surface of the cylindrical mandrel 42, the fixed frame 87 is L-shaped, and is specific, the fixed frame 87 is provided with at least two locking grooves 853, and is disposed opposite to the bottom surface of the cylindrical mandrel 42, the locking member 85 includes a locking cylinder 851 installed at the upper end of the lifting seat 84, the locking cylinder 851 is located in the lifting seat 84 of the frame-shaped structure, and is disposed opposite to the fixed frame 87, the output end of the locking cylinder 851 faces the fixed frame and is provided with a wedge 852, the vertical section of the fixed frame 87 is provided with a locking groove 853 matched with the wedge 852, the locking groove 853 corresponds to the shape of the wedge 852, the wedge 852 is driven by the locking cylinder 851 to extend into the locking groove 853, and the cylindrical mandrel 42 is fixed with the lifting seat 84 through the cooperation of the wedge 852 and the locking groove 853.
Specifically, when the sand core is prepared, the two semicircular moulds 41 are in a closed state, the first lead screw 62 is driven to rotate by the first servo motor 61, then the threaded sleeve 63 is driven to move upwards, the second track frame 331 is lifted upwards, the core box system 4 is driven to move upwards to be attached to the core shooting end, the core is shot at the core shooting end, the sand core is formed in the core box system 4, the first servo motor 61 drives the threaded sleeve 63 to descend, the movable wheel 34 of the second track frame 331 is enabled to be in contact with the first track frame 32, the telescopic cylinder 51 is started, the core box system 4 is driven to move to the position of the coring station 2 along with the mounting frame 33, the third servo motor 82 is started, the third lead screw 83 is driven to rotate, then the cylindrical mandrel 42 is driven to move downwards along with the lifting seat 84 to be separated from the sand core, the second servo motor 72 is started, the second lead screw 73 is driven to rotate, the two groups of semicircular moulds 41 are driven to move away from each other through threads, the limit of the sand core is relieved, the truss robot of the coring station 2 is used for lifting the sand core, then the second servo motor 72 drives the semicircular mould 41 to be closed, the second servo motor 72 drives the cylindrical mandrel to reset to move to the cylindrical mandrel 33 to the position of the cylindrical mandrel 1 along with the cylindrical mandrel 33, and the cylindrical mandrel is driven to move to the cylindrical mandrel 33 to the position of the cylindrical mandrel 33.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411536061.XA CN119098561B (en) | 2024-10-31 | 2024-10-31 | Core shooter drive control system and core shooter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411536061.XA CN119098561B (en) | 2024-10-31 | 2024-10-31 | Core shooter drive control system and core shooter |
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| Publication Number | Publication Date |
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| CN119098561A CN119098561A (en) | 2024-12-10 |
| CN119098561B true CN119098561B (en) | 2025-01-28 |
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| CN202411536061.XA Active CN119098561B (en) | 2024-10-31 | 2024-10-31 | Core shooter drive control system and core shooter |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347820A (en) * | 2008-08-22 | 2009-01-21 | 苏州明志科技有限公司 | Cold box molding core making machine |
| CN110496945A (en) * | 2019-09-24 | 2019-11-26 | 苏州苏铸成套装备制造有限公司 | Full-automatic cold-box core blower |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710794Y (en) * | 2004-06-07 | 2005-07-20 | 苏州工业园区明志铸造装备有限公司 | Cold-box core blower having multiple station |
| CN104668489A (en) * | 2013-11-29 | 2015-06-03 | 无锡市双全机械制造厂 | Mold closing positioning structure of core shooting machine |
| WO2020087521A1 (en) * | 2018-11-02 | 2020-05-07 | 苏州明志科技股份有限公司 | Maintenance device matching core making machine and core making machine comprising maintenance device |
| CN116274887A (en) * | 2023-03-28 | 2023-06-23 | 济南柳玉鑫机械设备有限公司 | Control method and control system of core shooter |
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2024
- 2024-10-31 CN CN202411536061.XA patent/CN119098561B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347820A (en) * | 2008-08-22 | 2009-01-21 | 苏州明志科技有限公司 | Cold box molding core making machine |
| CN110496945A (en) * | 2019-09-24 | 2019-11-26 | 苏州苏铸成套装备制造有限公司 | Full-automatic cold-box core blower |
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