CN211740804U - Few-allowance investment casting sample structure - Google Patents
Few-allowance investment casting sample structure Download PDFInfo
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- CN211740804U CN211740804U CN201922302237.6U CN201922302237U CN211740804U CN 211740804 U CN211740804 U CN 211740804U CN 201922302237 U CN201922302237 U CN 201922302237U CN 211740804 U CN211740804 U CN 211740804U
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- 238000005495 investment casting Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 238000005266 casting Methods 0.000 claims abstract description 20
- 238000009863 impact test Methods 0.000 claims description 7
- 238000009864 tensile test Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 21
- 238000012545 processing Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 17
- 238000001514 detection method Methods 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a few no surplus investment casting sample structure, include: the device comprises an investment casting machine, a casting tube and a sample blank, wherein the output end of the investment casting machine is mutually communicated with the input end of the casting tube, and the casting tube is provided with a plurality of casting interfaces; sample mould, sample mould pass through sprue gate fixed mounting in on the pouring tube, the utility model relates to an investment casting mechanical properties inspection technical field. The small-allowance-free investment casting sample structure can be used for assembling samples according to needs, adjusting the number of the samples, saving molten steel and preventing waste; the shape of the polished inner sprue is more regular, and the clamping is more convenient during processing; the reserved 2mm machining allowance is higher in machining speed, the sample manufacturing efficiency is improved, the machining cost is reduced, the mark block 51 of the sample can be marked with a corresponding furnace number by using a marking machine, the mark is clearer, different furnace test bars are prevented from being confused, the representativeness of the sample is guaranteed, and the whole-process traceability of the product quality is improved.
Description
Technical Field
The utility model relates to an investment casting mechanical properties inspection technical field specifically is a few no surplus investment casting sample structure.
Background
At present, the conventional mechanical property test of the investment casting has the main items: room temperature tensile test, hardness, impact test. Besides, fatigue tests, creep tests and endurance tests are also available, but the tests are generally rarely done, investment casting needs to cast a sample blank in the production process, then the sample blank is correspondingly heat treated, and finally the cast sample blank is machined by a machining method to form a sample required by the tests of tensile test, impact test, hardness test and the like, as shown in fig. 11 and 12.
A common casting sample in investment casting is a plum blossom sample as shown in fig. 8, flame cutting is adopted after casting is completed, the sample cutting is schematically shown in fig. 9, and black shades are cutting positions; the cut sample has irregular shape as shown in fig. 10, and the flame cutting area is large, which is not beneficial to clamping in subsequent machining, large machining allowance and discontinuous cutting in machining, the machining speed is slow, the sample manufacturing period is long, and the machining cost is high.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a few no surplus investment casting sample structure has solved the problem that sample structure processing cost is high and the cycle length.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a low-allowance investment casting specimen structure comprising: the device comprises an investment casting machine, a casting tube and a sample blank, wherein the output end of the investment casting machine is mutually communicated with the input end of the casting tube, and the casting tube is provided with a plurality of casting interfaces; and the sample mold is fixedly arranged on the pouring pipe through a pouring port, and the sample blank is molded by pouring through the sample mold.
The utilization rate of the whole sample is higher; the samples can be grouped according to the needs, the number of the samples can be adjusted, the molten steel can be saved, and the waste can be prevented; the shape of the polished inner sprue is more regular, and the clamping is more convenient during processing; the reserved 2mm machining allowance is higher in machining speed, the sample manufacturing efficiency is improved, the machining cost is reduced, the mark block 51 of the sample can be marked with a corresponding furnace number by using a marking machine, the mark is clearer, different furnace test bars are prevented from being confused, the representativeness of the sample is guaranteed, and the whole-process traceability of the product quality is improved.
Further, the sample blank comprises a marking block, a tensile sample block, an impact sample block and a hardness sample block, and the marking block, the tensile sample block, the impact sample block and the hardness sample block are integrally cast and molded.
Furthermore, the two ends of the tensile sample block are both process clamping blocks, the process clamping block on the left side of the tensile sample block is fixedly connected with the right side of the marking block, and the process clamping block on the right side of the tensile sample block is fixedly connected with the left side of the impact sample block.
The utility model also provides a sample mould clamping device, include:
the support frame is fixed on the pouring tube, four adjusting holes are formed in the support frame, an adjusting sliding shaft is fixedly connected inside each adjusting hole, and a first fixing plate and a second fixing plate are fixedly connected to the right side of the support frame respectively;
the supporting shaft is fixed between the first fixing plate and the second fixing plate;
the driving assembly is arranged on the first fixing plate;
and the clamping assembly is fixed on the driving assembly.
The horizontal and stable holding of guarantee sample mould installation time makes things convenient for the pouring of sample mould and the shaping of inside sample blank, shows the distance of centre gripping subassembly location at every turn through location pointer and location scale plate, conveniently fixes a point and adjusts, can both fix on appointed distance and position after the guarantee removes at every turn
Further, the driving assembly comprises a driving motor, the driving motor is fixedly installed at the top of the first fixing plate, an output end of the driving motor is fixedly connected with a driving rod, a bottom pipe of the driving rod runs through the first fixing plate and extends to the bottom of the first fixing plate, and one end of the driving rod extending to the bottom of the first fixing plate is rotatably connected with the top of the second fixing plate.
Further, the surface of actuating lever is the thread face to the surperficial threaded connection of actuating lever has the transmission piece, the top of transmission piece just is located the surface of actuating lever is provided with buffer spring, and the right side fixedly connected with location pointer of transmission piece.
Furthermore, a positioning scale plate is fixedly connected between the first fixing plate and the second fixing plate, the positioning pointer is matched with the positioning scale plate, and the positioning pointer is connected with the supporting shaft in a sliding mode.
Further, the clamping assembly comprises a connecting block, the right side of the connecting block is fixedly connected with the left side of the transmission block, and the surface of the connecting block is in sliding connection with the adjusting sliding shaft.
Further, the left side fixedly connected with mount of connecting block, the bottom fixedly connected with holding frame of mount, the mounting hole has been seted up to the inside of holding frame to be provided with the centre gripping threaded rod on the holding frame.
Further, one end of the clamping threaded rod penetrates through the clamping frame and extends to the outside of the clamping frame, and the clamping threaded rod extends to one end of the outside of the clamping frame and is fixedly connected with an adjusting plate.
Compared with the prior art, the beneficial effects of the utility model are that: according to the small-allowance-free investment casting sample structure, the tensile test sample, the impact test sample, the hardness detection sample and the chemical component and metallographic detection sample can be provided simultaneously through the integrated structure sample, and the utilization rate of the whole sample is higher; the samples can be grouped according to the needs, the number of the samples can be adjusted, the molten steel can be saved, and the waste can be prevented; the shape of the polished inner sprue is more regular, and the clamping is more convenient during processing; the reserved 2mm machining allowance is higher in machining speed, the sample manufacturing efficiency is improved, the machining cost is reduced, the mark block 51 of the sample can be marked with a corresponding furnace number by using a marking machine, the mark is clearer, different furnace test bars are prevented from being confused, the representativeness of the sample is guaranteed, and the whole-process traceability of the product quality is improved.
Drawings
FIG. 1 is a schematic structural diagram of a small-allowance and no-allowance investment casting sample structure provided by the present invention;
fig. 2 is a schematic structural view of the sample mold and the sprue portion shown in fig. 1 according to the present invention;
fig. 3 is a schematic structural diagram of a sample blank provided by the present invention;
figure 4 is a cross-sectional view of the portion of the tensile coupon of figure 3 according to the present invention;
figure 5 is a cross-sectional view of the portion of the impact coupon of figure 3 according to the present invention;
fig. 6 is a schematic structural view of the sample mold clamping device provided by the present invention;
FIG. 7 is a schematic view of the structure of the holder portion shown in FIG. 6 according to the present invention;
FIG. 8 is a schematic structural diagram of a conventional quincunx sample;
FIG. 9 is a schematic diagram illustrating the structure of the cutting of the plum blossom sample shown in FIG. 8;
FIG. 10 is a single sample blank of FIG. 9 after cutting;
FIG. 11 is a schematic structural view of a finished tensile bar;
fig. 12 is a schematic structural diagram of a finished V-shaped test block.
In the figure: 1-investment casting machine, 2-casting tube, 3-casting port, 4-sample mold, 5-sample blank, 51-marking block, 52-tensile sample block, 521-first machining allowance layer, 53-impact sample block, 531-second machining allowance layer, 54-hardness sample block, 6-support frame, 61-adjusting hole, 62-adjusting sliding shaft, 63-first fixing plate, 64-second fixing plate, 7-support shaft, 8-driving component, 81-driving motor, 82-driving rod, 83-driving block, 84-buffer spring, 85-positioning pointer, 86-positioning scale plate, 9-clamping component, 91-connecting block, 92-fixing frame, 93-clamping frame, 94-clamping threaded rod, 95-adjusting disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a low-allowance investment casting specimen structure comprising: the device comprises an investment casting machine 1, a casting tube 2 and a sample blank 5, wherein the output end of the investment casting machine 1 is communicated with the input end of the casting tube 2, and the casting tube 2 is provided with a plurality of casting interfaces; and the sample mold 4 is fixedly arranged on the pouring pipe 2 through a pouring port 3, and the sample blank 5 is molded through pouring through the sample mold 4.
The sample blank 5 comprises a marking block 51, a tensile sample block 52, an impact sample block 53 and a hardness sample block 54, wherein the marking block 51, the tensile sample block 52, the impact sample block 53 and the hardness sample block 54 are integrally cast and molded.
The two ends of the tensile sample block 52 are both process clamping blocks, the process clamping block on the left side of the tensile sample block 52 is fixedly connected with the right side of the marking block 51, and the process clamping block on the right side of the tensile sample block 52 is fixedly connected with the left side of the impact sample block 53.
Aiming at the structural size of a sample required by a conventional mechanical property inspection project of an investment casting, the novel investment casting sample structure focuses more on lightweight design, and molten steel is saved; the number of the sample grinding tools 4 can be adjusted according to the requirement, so that a plurality of sample blanks 5 are synchronously poured, and the pouring interface on the pouring pipe 2 is blocked and sealed when not in use, thereby ensuring the normal discharge of the pouring pipe 2; the shape of the molded sample blank 5 is more regular after the inner sprue is polished, the clamping is more convenient during processing, only 2mm processing allowance is reserved for each part, and the processing speed is higher.
The sample blank 5 is formed into an integral whole, the marking block 51 is the furnace number marking position, the furnace number is marked at the position after the shell is vibrated after the pouring is finished, and the test bar is subjected to heat treatment together with the furnace product.
The tensile sample block 52 is a process clamping block used in the process of stretching a test bar blank and turning a test bar, a first machining allowance layer 521 is reserved on the surface, and the first machining allowance layer 521 is a machining allowance of 2 mm.
The impact sample block 53 is an impact sample blank, a second machining allowance layer 531 is reserved on the surface, and the second machining allowance layer 531 is a machining allowance of 2 mm.
The hardness test piece 54 is a test piece for hardness test, and can be used for hardness test by separating from the rest after heat treatment and slightly polishing.
The process clamping blocks of the marking block 51 and the tensile sample block 52 of the sample can be used as chemical component detection spectrum detection and metallographic detection samples.
In order to ensure the quality of each sample, 5 pouring gates are arranged at the key parts of the sample mold 4.
The structure of the sample focuses on the lightweight design, the sample can provide a tensile test sample, an impact test sample, a hardness detection sample, chemical components and a metallographic detection sample at the same time, and the utilization rate of the whole sample is higher;
the samples can be grouped according to the needs, the number of the samples can be adjusted, the molten steel can be saved, and the waste can be prevented;
the shape of the polished inner sprue is more regular, and the clamping is more convenient during processing;
the reserved 2mm machining allowance is higher in machining speed, the sample manufacturing efficiency is improved, and the machining cost is reduced.
The marking block 51 of the sample can be marked with the corresponding furnace number by a marking machine, the marking is clearer, different furnace test bars are prevented from being mixed up, the representativeness of the sample is ensured, and the whole traceability of the product quality is improved.
The utility model provides a few no residual investment casting sample structure's theory of operation:
the number of the sample grinding tools 4 is adjusted according to the requirement, so that a plurality of sample blanks 5 are synchronously poured, and a pouring interface on the pouring pipe 2 is blocked and sealed when not in use, thereby ensuring the normal discharge of the pouring pipe 2; the shape of the molded sample blank 5 is more regular after polishing the inner sprue, the clamping is more convenient during processing, only 2mm processing allowance is reserved for each part, and the processing speed is higher;
the sample blank 5 is formed into a whole by four parts, the marking block 51 is a furnace number marking position, the furnace number is marked at the position after the shell is vibrated after the pouring is finished, and the test bar is subjected to heat treatment together with the furnace product;
the tensile sample block 52 is a process clamping block used in the process of stretching a test bar blank and turning a test bar, a first machining allowance layer 521 is reserved on the surface, and the first machining allowance layer 521 is a machining allowance of 2 mm;
the impact sample block 53 is an impact sample blank, a second machining allowance layer 531 is reserved on the surface, and the second machining allowance layer 531 is a machining allowance of 2 mm;
the hardness test block 54 is a test block for hardness detection, and can be used for hardness detection after being separated from the rest part after heat treatment and being slightly polished;
the process clamping blocks of the marking block 51 and the tensile sample block 52 of the sample can be used as chemical component detection spectrum detection and metallographic detection samples.
The utility model provides a few beneficial effect of no surplus investment casting sample structure:
the structure of the sample focuses on the lightweight design, and the integral structural sample can provide a tensile test sample, an impact test sample, a hardness detection sample, a chemical component and a metallographic detection sample at the same time, so that the utilization rate of the whole sample is higher; the samples can be grouped according to the needs, the number of the samples can be adjusted, the molten steel can be saved, and the waste can be prevented; the shape of the polished inner sprue is more regular, and the clamping is more convenient during processing; the reserved 2mm machining allowance is higher in machining speed, the sample manufacturing efficiency is improved, the machining cost is reduced, the mark block 51 of the sample can be marked with a corresponding furnace number by using a marking machine, the mark is clearer, different furnace test bars are prevented from being confused, the representativeness of the sample is guaranteed, and the whole-process traceability of the product quality is improved.
Referring to fig. 6 and 7, the present invention further provides a sample mold clamping device for mounting a sample mold 4 with a small or no-allowance investment casting sample structure, comprising: the supporting frame 6 is fixed on the pouring tube 2, four adjusting holes 61 are formed in the supporting frame 6, an adjusting sliding shaft 62 is fixedly connected inside each adjusting hole 61, and a first fixing plate 63 and a second fixing plate 64 are fixedly connected to the right side of the supporting frame 6 respectively; a support shaft 7, the support shaft 7 being fixed between the first fixing plate 63 and the second fixing plate 64; the driving assembly 8, the driving assembly 8 is arranged on the first fixing plate 63; and the clamping assembly 9 is fixed on the driving assembly 8, and the clamping assembly 9 is fixed on the driving assembly 8.
The driving assembly 8 includes a driving motor 81, the driving motor 81 is fixedly installed on the top of the first fixing plate 63, and an output end of the driving motor 81 is fixedly connected with a driving rod 82, a bottom pipe of the driving rod 82 penetrates the first fixing plate 63 and extends to the bottom of the first fixing plate 63, and one end of the driving rod 82 extending to the bottom of the first fixing plate 63 is rotatably connected with the top of the second fixing plate 64.
The surface of the driving rod 82 is a threaded surface, a driving block 83 is connected to the surface of the driving rod 82 through a thread, a buffer spring 84 is arranged at the top of the driving block 83 and on the outer surface of the driving rod 82, and a positioning pointer 85 is fixedly connected to the right side of the driving block 83.
When the driving motor 81 is used, the external power supply and the control switch are connected, and the driving motor 81 is of a bidirectional rotating structure, the forward rotation and the reverse rotation of the driving motor 81 are conveniently controlled by the control switch, the driving rod 82 can be synchronously driven to rotate when the driving motor 81 rotates, the driving rod 82 synchronously drives the transmission block 83 to move up and down when rotating, when the transmission block 83 moves up, the transmission block 83 synchronously drives the positioning pointers 85 and the connection block 91 at two sides to move up, the positioning pointers 85 slide up on the supporting shaft 7, the positioning pointers 85 move up and down on the positioning scale plate 86, the degrees of the positioning pointers are continuously changed, the connection block 91 slides up on the adjusting sliding shaft 62, the transmission block 83 can only move up and down to adjust under the sliding limiting effect of the positioning pointers 85 and the connection block 91 at two sides, and cannot rotate, therefore, the driving rod 82 drives the transmission block 83 to move up, in the same way, when the transmission block 83 moves downwards for adjustment, the positioning pointer 85 and the connecting block 91 synchronously move downwards for adjustment, so that the clamping component 9 is conveniently adjusted and fixed.
A positioning scale plate 86 is fixedly connected between the first fixing plate 63 and the second fixing plate 64, the positioning pointer 85 is matched with the positioning scale plate 86, and the positioning pointer 85 is slidably connected with the support shaft 7.
The clamping assembly 9 comprises a connecting block 91, the right side of the connecting block 91 is fixedly connected with the left side of the transmission block 83, and the surface of the connecting block 91 is slidably connected with the adjusting slide shaft 62.
The left side fixedly connected with mount 92 of connecting block 91, the bottom fixedly connected with holding frame 93 of mount 92, the mounting hole has been seted up to the inside of holding frame 93 to be provided with centre gripping threaded rod 94 on the holding frame 93.
One end of the clamping threaded rod 94 penetrates through the clamping frame 93 and extends to the outside of the clamping frame 93, and an adjusting plate 95 is fixedly connected to one end of the clamping threaded rod 94 extending to the outside of the clamping frame 93.
Two holding frames 93 are provided on each fixing frame 92.
When the connecting block 91 moves, the connecting block 91 drives the fixing frame 92 to move synchronously, and the fixing frame 92 drives the clamping frame 93 to move synchronously;
when needs carry out the centre gripping to sample mould 4, insert sample mould 4 on two holding frame 93, and through rotating adjustment disk 95, drive centre gripping threaded rod 94 when adjustment disk 95 clockwise rotates and rotate in step and to the inside removal of holding frame 93, carry out centre gripping and fixed to sample mould 4, thereby the installation and the dismantlement to sample mould 4 are convenient, the holding frame 93 that can freely adjust can be applicable to the mould of different pouring distances and install and use, centre gripping and fixed scope are wider.
The utility model provides a sample mould clamping device's theory of operation as follows:
when the sample mold 4 needs to be clamped, the sample mold 4 is inserted into the two clamping frames 93, the adjusting disc 95 is rotated clockwise, the clamping threaded rod 94 is driven to synchronously rotate and move towards the inside of the clamping frames 93 by driving the adjusting disc 95 to rotate, and the sample mold 4 is clamped and fixed, so that the sample mold 4 is convenient to mount and dismount, the freely adjustable clamping frames 93 can be suitable for mounting and using molds with different pouring distances, and the clamping and fixing ranges are wider;
after the clamping is completed, the driving motor 81 is started, the driving rod 82 can be synchronously driven to rotate when the driving motor 81 rotates, the driving rod 82 synchronously drives the transmission block 83 to move up and down when rotating, when the transmission block 83 moves up, the transmission block 83 synchronously drives the positioning pointers 85 and the connecting blocks 91 at two sides to move up, the positioning pointers 85 slide up on the supporting shaft 7, the positioning pointers 85 move up on the positioning scale plates 86 with the degree changing constantly, the connecting blocks 91 slide up on the adjusting slide shafts 62, the transmission block 83 can only move up and down to adjust under the sliding limiting action of the positioning pointers 85 and the connecting blocks 91 at two sides, and can not rotate, therefore, the driving rod 82 drives the transmission block 83 to move up and down through a threaded structure when rotating, and similarly, when the transmission block 83 moves down to adjust, the positioning pointers 85 and the connecting blocks 91 synchronously move down to adjust, the sample mold 4 after clamping is convenient to install and fix.
The utility model provides a sample mould clamping device's beneficial effect as follows:
the installation distance between the clamping assembly 9 and the pouring tube 2 is adjusted conveniently through the driving assembly 8, the structure of two sets of clamping frames 93 enables the clamping and fixing of the sample mold 4 to be more compact, the level and stability are kept when the sample mold 4 is installed, the pouring of the sample mold 4 and the forming of the sample blank 5 inside are facilitated, the distance for positioning the clamping assembly 9 at each time is displayed through the positioning pointer 85 and the positioning scale plate 86, the fixed-point fixing and the adjusting are convenient to carry out, and the guarantee can be fixed on the appointed distance and the position after being moved at each time.
The specific structure of the sample mold clamping device refers to the above embodiments, and since the sample mold clamping device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A few no-allowance investment casting sample structure is characterized by comprising:
the device comprises an investment casting machine, a casting tube and a sample blank, wherein the output end of the investment casting machine is mutually communicated with the input end of the casting tube, and the casting tube is provided with a plurality of casting interfaces;
and the sample mold is fixedly arranged on the pouring pipe through a pouring port, and the sample blank is molded by pouring through the sample mold.
2. The small and no-allowance investment casting specimen structure of claim 1, wherein: the test sample blank comprises a marking block, a tensile test block, an impact test block and a hardness test block, wherein the marking block, the tensile test block, the impact test block and the hardness test block are integrally cast and molded.
3. The small and no excess investment casting specimen structure of claim 2, wherein: the technical clamping blocks on the left side of the tensile sample block are fixedly connected with the right side of the marking block, and the technical clamping blocks on the right side of the tensile sample block are fixedly connected with the left side of the impact sample block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302237.6U CN211740804U (en) | 2019-12-20 | 2019-12-20 | Few-allowance investment casting sample structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922302237.6U CN211740804U (en) | 2019-12-20 | 2019-12-20 | Few-allowance investment casting sample structure |
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| Publication Number | Publication Date |
|---|---|
| CN211740804U true CN211740804U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922302237.6U Expired - Fee Related CN211740804U (en) | 2019-12-20 | 2019-12-20 | Few-allowance investment casting sample structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317692A (en) * | 2020-11-03 | 2021-02-05 | 西北工业大学 | Pouring system for casting alloy standard sample and manufacturing method of formwork |
| CN112605337A (en) * | 2020-11-15 | 2021-04-06 | 浙大城市学院 | Forming method of tensile sample EPS foam model |
-
2019
- 2019-12-20 CN CN201922302237.6U patent/CN211740804U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317692A (en) * | 2020-11-03 | 2021-02-05 | 西北工业大学 | Pouring system for casting alloy standard sample and manufacturing method of formwork |
| CN112317692B (en) * | 2020-11-03 | 2021-09-07 | 西北工业大学 | Pouring system for casting alloy standard sample and manufacturing method of formwork |
| CN112605337A (en) * | 2020-11-15 | 2021-04-06 | 浙大城市学院 | Forming method of tensile sample EPS foam model |
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Granted publication date: 20201023 |