CN113146744B - Lost foam mould model cutting forming device - Google Patents
Lost foam mould model cutting forming device Download PDFInfo
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- CN113146744B CN113146744B CN202110525000.3A CN202110525000A CN113146744B CN 113146744 B CN113146744 B CN 113146744B CN 202110525000 A CN202110525000 A CN 202110525000A CN 113146744 B CN113146744 B CN 113146744B
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- hot
- hot cutting
- cut
- driving motor
- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
- B22C7/023—Patterns made from expanded plastic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The application provides a lost foam die model cutting and forming device, which comprises a base; the positioning mechanism is connected with the base and used for positioning a workpiece to be cut; and the hot cutting mechanism comprises a driving motor and a hot cutting piece for converting electric energy into heat energy, the driving motor is connected with the base, the hot cutting piece is connected with an output shaft of the driving motor, and the driving motor is used for driving the hot cutting piece to rotate so as to enable the hot cutting piece to hot cut a workpiece to be cut. The driving motor is adopted to drive the hot cut piece to process the die model, so that the degree of automation is high, the labor intensity is reduced, and the operation efficiency is improved. Meanwhile, errors generated during manual manufacturing of the mold model are reduced, and the manufacturing quality of the mold model is improved, so that when the mold model is utilized to cast parts, the molding quality of the parts is high, and the qualification rate of products is high.
Description
Technical Field
The application relates to the field of mold processing, in particular to a cutting and forming device for a lost foam mold model.
Background
Lost foam casting (also called full mold casting) is a novel casting method which is to combine paraffin or foam models with similar size and shape as castings into model clusters by bonding, brush refractory coating, dry, then embed in dry quartz sand for vibration molding, pour under negative pressure to gasify the models, occupy the model positions by liquid metal, solidify and cool to form castings. In general, a mold model for casting of the lost foam needs to be separately processed and assembled into a whole, but at present, the lost foam model is generally manufactured manually, so that the efficiency is low, the error is large, and the quality of the mold model is low.
Disclosure of Invention
The application provides a lost foam die model cutting forming device to improve above-mentioned adoption manual working die model and lead to the technical problem that model quality is low, fashioned work piece quality is low.
The invention is specifically as follows:
based on the above object, an embodiment of the present application provides a lost foam die model cutting and forming device, including:
a base;
the positioning mechanism is connected with the base and used for positioning a workpiece to be cut;
and the hot cutting mechanism comprises a driving motor and a hot cutting piece used for converting electric energy into heat energy, the driving motor is connected with the base, the hot cutting piece is connected with an output shaft of the driving motor, and the driving motor is used for driving the hot cutting piece to rotate so as to enable the hot cutting piece to hot cut the workpiece to be cut.
Optionally, the hot cutting piece includes loading board and hot cutter, the loading board with driving motor's output shaft, the hot cutter with the loading board is connected, the hot cutter is used for hot cutting wait to cut the work piece.
Optionally, the hot cutter includes a plurality of hot cutting portions arranged in an annular shape, each of the hot cutting portions is arc-shaped, and diameters of circles where the hot cutting portions are located are different;
the bearing plate is connected with an output shaft of the driving motor in an unlocking way through a locking piece, and when the bearing plate is locked with the output shaft, the driving motor can drive the bearing plate to rotate; when the bearing plate and the output shaft are unlocked, the bearing plate can rotate relative to the driving motor and is locked after rotation, so that one hot cutting part in the hot cutting parts corresponds to the workpiece to be cut, and the workpiece to be cut can be hot cut.
Optionally, the locking piece is configured as a latch, and the latch is slidably matched with the output shaft along the axis direction of the output shaft; the bearing plate is provided with a plurality of jacks which are arranged around the axis of the output shaft, and the bolt can be selectively matched with one of the jacks in a plugging manner, so that the bearing plate and the output shaft are relatively fixed in the circumferential direction of the output shaft through the bolt.
Optionally, the hot cutting mechanism further includes a connecting arm, one end of the connecting arm is connected with the driving motor, the other end of the connecting arm is connected with the hot cutting piece, and the hot cutting piece can slide relative to the connecting arm relative to the extending direction of the connecting arm so as to adjust the cutting radius of the hot cutting piece.
Optionally, scale marks are arranged on the connecting arm.
Optionally, the hot cutting mechanism further comprises a power line, wherein one end of the power line is connected with the hot cutting piece, and the other end of the power line is used for being connected with a power supply; the connecting arm is provided with a channel through which a power supply wire penetrates, and the power supply wire is used for transmitting electric energy to the hot cutting piece.
Optionally, the thermal cut is detachably connected to the output shaft.
Optionally, the positioning mechanism includes a positioning table and a positioning fixture, the base is connected with the positioning table, the positioning fixture is connected with the positioning table, and the positioning fixture is used for clamping the workpiece to be cut.
Optionally, the positioning fixtures are arranged in a plurality, and the positioning fixtures are arranged at intervals on the moving path of the hot cutting piece, so that the hot cutting piece can rotate for one circle to thermally cut a plurality of workpieces to be cut.
The beneficial effects of the invention are as follows:
in summary, in the lost foam die-cutting molding device provided in this embodiment, when a die is formed by cutting a workpiece, the workpiece is first positioned on the positioning mechanism, then the driving motor is started, the driving motor drives the heated hot-cut piece to rotate, during the rotation of the hot-cut piece, the part of the workpiece contacting the hot-cut piece is hot-cut, the cut part is waste, and the part remaining on the positioning mechanism is the required die-cutting. The driving motor is adopted to drive the hot cut piece to process the die model, so that the degree of automation is high, the labor intensity is reduced, and the operation efficiency is improved. Meanwhile, errors generated during manual manufacturing of the mold model are reduced, and the manufacturing quality of the mold model is improved, so that when the mold model is utilized to cast parts, the molding quality of the parts is high, and the qualification rate of products is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a lost foam die model cutting and forming device provided by the application;
FIG. 2 is a schematic diagram of a deformation structure of the hot cutting mechanism provided by the present application;
FIG. 3 is a schematic cross-sectional structural view of the hot cutting mechanism provided herein;
fig. 4 is a schematic structural view of the hot knife provided in the present application.
Icon:
100-base; 200-positioning mechanism; 210-foot rest; 220-positioning stage; 230-positioning a clamp; 300-a hot cutting mechanism; 310-driving a motor; 311-an output shaft; 320-hot cutting; 321-a carrier plate; 3211-jack; 322-rotating seat; 3221-a through hole; 323-a hot knife; 3231-hot cut; 324-locking member; 330-connecting arms.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present application, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is conventionally put when the product of the application is used, or the orientation or positional relationship that is conventionally understood by those skilled in the art, or the orientation or positional relationship that is conventionally put when the product of the application is used, which is merely for convenience of describing the present application and simplifying the description, and is not indicative or implying that the cutting forming device or element of the lost foam mold must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Examples:
at present, the lost foam is generally processed manually, and the cavity of the mould model is processed manually to meet the required requirements. The cost is increased due to the low efficiency of manual operation. In addition, during manual operation, the processing quality of the die model is greatly different according to the experience of workers, the operation state and the like, namely, the error of manually manufacturing the die model is large, the differentiation is large, the interchangeability is poor, the forming quality of the lost foam is poor, and the qualification rate of products is low.
Referring to fig. 1-4, in view of this, a designer designs a lost foam mold cutting and forming device, which has high automation degree and high processing efficiency; and the error is small, the interchangeability is good, the quality of the lost foam obtained by assembling the die model is high, and the product percent of pass obtained by lost foam casting is high.
Referring to fig. 1-4, in the present embodiment, the lost foam mold cutting and forming apparatus includes a base 100, a positioning mechanism 200 and a hot cutting mechanism 300. The base 100 is adapted to be secured to the ground or a table. The positioning mechanism 200 is connected with the base 100, and the positioning mechanism 200 is used for positioning a workpiece to be cut. The hot cutting mechanism 300 comprises a driving motor 310 and a hot cutting piece 320 for converting electric energy into heat energy, the driving motor 310 is connected with the base 100, the hot cutting piece 320 is connected with an output shaft 311 of the driving motor 310, and the driving motor 310 is used for driving the hot cutting piece 320 to rotate so that the hot cutting piece 320 can thermally cut a workpiece to be cut.
In the lost foam die-cutting molding device provided by the embodiment, when a workpiece is cut to form a die-cutting mold, the workpiece is positioned on the positioning mechanism 200, then the driving motor 310 is started, the driving motor 310 drives the heated hot-cut piece 320 to rotate, during the rotation process of the hot-cut piece 320, the part of the workpiece contacted with the hot-cut piece 320 is hot-cut, the cut part is waste, and the part remaining on the positioning mechanism 200 is the required die-cutting mold. The driving motor 310 is adopted to drive the hot cutting piece 320 to process the die model, so that the degree of automation is high, the labor intensity is reduced, and the operation efficiency is improved. Meanwhile, errors generated during manual manufacturing of the mold model are reduced, and the manufacturing quality of the mold model is improved, so that when the mold model is utilized to cast parts, the molding quality of the parts is high, and the qualification rate of products is high.
It should be understood that the lost foam mold provided in this embodiment is made of foam, that is, the workpiece to be cut is made of foam, so that the lost foam mold can be subjected to hot cutting treatment after being heated by the hot cutting member 320.
In this embodiment, optionally, the base 100 is configured as a metal frame structure, so that the structural strength of the base 100 is high, and the base is not easy to be damaged during use, and has a long service life. Obviously, in other embodiments, the base 100 may be made of plastic, wood or other materials.
In this embodiment, optionally, the positioning mechanism 200 includes a stand 210, a positioning table 220, and a positioning fixture 230, where the stand 210 is connected to the positioning table 220, the positioning fixture 230 is connected to the positioning table 220, and the positioning fixture 230 is used to clamp and position a workpiece to be cut.
Specifically, the foot rest 210 is set to be a telescopic structure, one end of the foot rest 210 is connected with the positioning table 220, the other end is provided with a ground travelling wheel capable of being braked, and the height of the foot rest 210 can be adjusted, so that the foot rest is suitable for arrangement in different environments and is convenient to use. It should be understood that the number of the foot stands 210 is set as required, and is not particularly limited in this embodiment.
Optionally, the positioning table 220 is configured as a circular plate, and the bottom plate surface of the positioning table 220 is provided with a plurality of foot frames 210, where the plurality of foot frames 210 are all used to be supported on the ground. The top plate surface of the positioning table 220 is provided with an assembly groove, which is a circular ring groove and extends around the axis of the positioning table 220. The mounting groove may be a dovetail groove or a "T" groove, etc. The base 100 is disposed at a central position of the positioning table 220, and an axis of the base 100 is collinear with an axis of the positioning table 220.
The positioning fixture 230 includes two clamping plates that set up relatively, and two clamping plates all are with positioning table 220 swing joint, for example, two clamping plates all with the assembly groove sliding connection on the positioning table 220 to can adjust the interval between two clamping plates, can adapt to the centre gripping of the not unidimensional work piece of waiting to cut. It should be appreciated that the clamping plate is provided with a protrusion which is engaged with the assembly groove, so that the clamping plate is prevented from falling out of the assembly groove while sliding with respect to the positioning table 220, and safety is high. The inner side of each clamping plate is provided with a flexible layer, so that the clamping force can be improved, and the damage to the workpiece when the clamping plates clamp the workpiece can be reduced.
Further, each clamping plate is fixed on the positioning table 220 through bolts, when the position of the clamping plate needs to be adjusted, the bolts are unscrewed, and the clamping plates can slide in the assembly grooves relative to the positioning table 220. When the clamping plate slides to a position for clamping the workpiece, the bolts are screwed so that the clamping plate is fixed with the positioning table 220.
In other embodiments, the positioning fixture 230 may be configured as a robotic arm that is used to hold a workpiece.
Or in other embodiments, the two clamping plates are provided with electromagnets, when the electromagnets are electrified, the electromagnets on the two clamping plates can generate the same magnetic poles or different magnetic poles, and when the magnetic poles of the two electromagnets are the same, the two clamping plates repel each other, so that the workpiece is convenient to take off. When the magnetic poles of the two electromagnets are different, the two clamping plates are close to each other.
In this embodiment, alternatively, the driving motor 310 is disposed on the base 100, and the output shaft 311 of the driving motor 310 is collinear with the axis of the base 100 or the positioning table 220. The drive motor 310 may be a servo motor for ease of manipulation.
In this embodiment, optionally, the hot cutting mechanism 300 further includes a connecting arm 330, one end of the connecting arm 330 is sleeved outside the output shaft 311, the connecting arm 330 and the output shaft 311 are relatively fixed in the circumferential direction of the output shaft 311, and the output shaft 311 can drive the connecting arm 330 to rotate relative to the base 100 and the positioning table 220. The hot cutting member 320 is connected with the connecting arm 330, so that the hot cutting member 320 can be driven to rotate by the connecting arm 330, and the workpiece on the positioning fixture 230 is hot cut by the hot cutting member 320.
Alternatively, the connecting arm 330 is configured as a rectangular rod, one end of the connecting arm 330 is provided with a socket, and the connecting arm 330 is sleeved outside the output shaft 311 by using the socket. The length of the connection arm 330 extends in a direction perpendicular to the output shaft 311, in other words, the connection arm 330 is disposed perpendicular to the output shaft 311.
Alternatively, the hot cutting member 320 includes a carrier plate 321, a rotating seat 322, and a hot cutting blade 323, the hot cutting blade 323 is connected to the carrier plate 321, and the carrier plate 321 is releasably connected to the rotating seat 322 by a locking member 324. The rotating seat 322 is slidably engaged with the connecting arm 330 along the extending direction of the connecting arm 330. In this way, by adjusting the position of the rotating base 322 on the connecting arm 330, the rotating radius of the rotating base 322 and the bearing plate 321 can be adjusted, and thus the rotating radius of the hot knife 323 on the bearing plate 321 can be adjusted. For example, the rotating seat 322 is sleeved outside the connecting arm 330, and after the bolt is loosened by fixing the bolt, the rotating seat 322 and the connecting arm 330 can slide relatively to adjust the position of the rotating seat 322. Further, scale marks are arranged on the connecting arm 330, and the specific position of the rotating seat 322 is judged through the scale marks, so that the rotating radius of the rotating seat 322 is convenient to determine, and the adjustment is convenient and reliable. The rotating seat 322 is provided with a through hole 3221, the locking piece 324 is provided with a bolt, the bolt is inserted into the through hole 3221, and the bolt can slide relative to the through hole 3221 along the extending direction of the through hole 3221. The carrier plate 321 is rotatably connected to the rotation seat 322, and the rotation circumferential direction of the two is parallel to the axis of the output shaft 311. For example, the carrier plate 321 is provided with a plurality of jacks 3211 arranged at intervals around the axis of the two, and the jacks 3211 may be blind holes or through holes 3221. The latch can be selectively plugged into one of the plurality of jacks 3211. When the bolts are simultaneously plugged into the through holes 3221 and the jacks 3211, the bearing plate 321 and the rotating seat 322 are fixed through the bolts, and the bearing plate 321 and the rotating seat 322 cannot rotate relatively. And when the latch is pulled out from the jack 3211, the carrier 321 can rotate relative to the rotating seat 322.
The hot cutting knife 323 includes a plurality of hot cut portions 3231, the plurality of hot cut portions 3231 are arranged at intervals in the circumferential direction of the carrier plate 321, each hot cut portion 3231 is an arc portion, further, each hot cut portion 3231 is an arc portion, diameters of circles where the plurality of hot cut portions 3231 are located are different, or radians of the plurality of hot cut portions 3231 are different, so that one of the plurality of hot cut portions 3231 can be selected for hot cutting a workpiece as required. In other words, the hot cutting knife 323 is mounted on the carrier plate 321, the plurality of hot cut portions 3231 are sequentially arranged around the rotation axis of the carrier plate 321 and the rotation seat 322, when one of the plurality of hot cut portions 3231 needs to be adjusted, the latch is pulled out from the insertion hole 3211, then the carrier plate 321 is rotated, the carrier plate 321 drives the plurality of hot cut portions 3231 to rotate together, when the corresponding hot cut portion 3231 rotates to match with the workpiece on the positioning jig 230, the rotation of the carrier plate 321 is stopped, and then the latch is inserted into the corresponding insertion hole 3211 to complete the adjustment of the hot cut portion 3231. The hot-cut parts 3231 with different radians can be selected according to the requirements, so that the hot-cut workpiece is flexible in use, diversified in function and wide in application range. And, the thermal cut portions 3231 cut into different sizes are integrated together, reducing the cost of the apparatus.
It should be appreciated that the hot knife 323 may be made of a heating wire; alternatively, the hot knife 323 is manufactured using a heating plate. And, when hot cutter 323 sets up to the heater strip, the heater strip is the annular structure that extends around the axis of loading board 321 to the heater strip has a plurality of sections of buckling in its extending direction, so, the intensity of reinforcing heater strip, the heater strip operation in-process is difficult for warping, and the cutting effect is good. It should be appreciated that each heating portion may include a plurality of bending sections, with different ones of the plurality of bending sections forming heating portions of different curvature. For example, the plurality of bending sections may have a rectangular wave shape.
In this embodiment, the thermal cutting mechanism 300 further includes a power cord, which is inserted into a channel inside the connecting arm 330, passes out of the connecting arm 330, and is electrically connected to the thermal cutting member 320 on the carrier plate 321. The other end of the power line is provided with a plug which can be inserted with a socket, so that electric energy is transmitted to the hot cutting piece 320, the electric energy is converted into heat energy by the hot cutting piece 320, and then the workpiece is hot cut.
The cutting forming device that this embodiment provided, degree of automation is high, and the operating efficiency is high, simultaneously, can adapt to the cutting of not unidimensional work piece, and application range is wide, with low costs.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (7)
1. The utility model provides a lost foam mould model cutting forming device which characterized in that includes:
a base;
the positioning mechanism is connected with the base and used for positioning a workpiece to be cut;
the hot cutting mechanism comprises a driving motor and a hot cutting piece for converting electric energy into heat energy, the driving motor is connected with the base, the hot cutting piece is connected with an output shaft of the driving motor, and the driving motor is used for driving the hot cutting piece to rotate so as to enable the hot cutting piece to hot cut the workpiece to be cut;
the hot cutting piece comprises a bearing plate and a hot cutting knife, the bearing plate is connected with an output shaft of the driving motor, the hot cutting knife is connected with the bearing plate, and the hot cutting knife is used for hot cutting the workpiece to be cut; the hot cutter comprises a plurality of hot cutting parts which are annularly arranged, each hot cutting part is arc-shaped, and the diameters of circles where the hot cutting parts are located are different; the bearing plate is connected with an output shaft of the driving motor in an unlocking way through a locking piece, and when the bearing plate is locked with the output shaft, the driving motor can drive the bearing plate to rotate; when the bearing plate and the output shaft are unlocked, the bearing plate can rotate relative to the driving motor and is locked after rotation, so that one hot cutting part in the hot cutting parts corresponds to the workpiece to be cut, and the workpiece to be cut can be hot cut; the locking piece is provided with a bolt, and the bolt is in sliding fit with the output shaft along the axis direction of the output shaft; the bearing plate is provided with a plurality of jacks which are arranged around the axis of the output shaft, and the bolt can be selectively matched with one of the jacks in a plugging manner, so that the bearing plate and the output shaft are relatively fixed in the circumferential direction of the output shaft through the bolt.
2. The lost foam die pattern cutting and molding device according to claim 1, wherein:
the hot cutting mechanism further comprises a connecting arm, one end of the connecting arm is connected with the driving motor, the other end of the connecting arm is connected with the hot cutting piece, and the hot cutting piece can slide relative to the connecting arm in the extending direction of the connecting arm so as to adjust the cutting radius of the hot cutting piece.
3. The lost foam die pattern cutting and molding device according to claim 2, wherein:
and the connecting arm is provided with scale marks.
4. The lost foam die pattern cutting and molding device according to claim 2, wherein:
the hot cutting mechanism further comprises a power line, one end of the power line is connected with the hot cutting piece, and the other end of the power line is connected with a power supply; the connecting arm is provided with a channel through which a power supply wire penetrates, and the power supply wire is used for transmitting electric energy to the hot cutting piece.
5. The lost foam die pattern cutting and molding device according to claim 1, wherein:
the hot cut piece is detachably connected with the output shaft.
6. The lost foam die pattern cutting and molding device according to claim 1, wherein:
the positioning mechanism comprises a positioning table and a positioning clamp, the base is connected with the positioning table, the positioning clamp is connected with the positioning table, and the positioning clamp is used for clamping the workpiece to be cut.
7. The lost foam die pattern cutting and molding device according to claim 6, wherein:
the positioning clamps are arranged in a plurality, and the positioning clamps are arranged at intervals on the movement path of the hot cutting piece, so that the hot cutting piece can rotate for one circle to thermally cut a plurality of workpieces to be cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110525000.3A CN113146744B (en) | 2021-05-14 | 2021-05-14 | Lost foam mould model cutting forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110525000.3A CN113146744B (en) | 2021-05-14 | 2021-05-14 | Lost foam mould model cutting forming device |
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| CN113146744A CN113146744A (en) | 2021-07-23 |
| CN113146744B true CN113146744B (en) | 2023-06-09 |
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| CN207206607U (en) * | 2017-08-17 | 2018-04-10 | 福建兴航机械铸造有限公司 | A kind of cutter device of suitable manufacture evaporative pattern mold |
| CN108097871A (en) * | 2017-12-29 | 2018-06-01 | 山东晨灿机械设备股份有限公司 | Evaporative pattern mold carving milling hot melt cutting all-in-one machine |
| CN208773713U (en) * | 2018-10-15 | 2019-04-23 | 河北天宇高科冶金铸造有限公司 | The dovetail groove grooving apparatus of the white mould of cooling wall |
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