CN114505449B - Casting equipment with wind-force is supplementary to be cooled down and dust purification - Google Patents
Casting equipment with wind-force is supplementary to be cooled down and dust purification Download PDFInfo
- Publication number
- CN114505449B CN114505449B CN202210027360.5A CN202210027360A CN114505449B CN 114505449 B CN114505449 B CN 114505449B CN 202210027360 A CN202210027360 A CN 202210027360A CN 114505449 B CN114505449 B CN 114505449B
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- Prior art keywords
- die
- pipe fitting
- sliding
- cooling
- pipe
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- 238000005266 casting Methods 0.000 title claims abstract description 33
- 239000000428 dust Substances 0.000 title claims abstract description 20
- 238000000746 purification Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 4
- 238000010926 purge Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/062—Mechanisms for locking or opening moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/065—Cooling or heating equipment for moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/067—Venting means for moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D45/00—Equipment for casting, not otherwise provided for
- B22D45/005—Evacuation of fumes, dust or waste gases during manipulations in the foundry
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides casting equipment with wind power assisted cooling and dust purification, relates to the technical field of casting devices, and solves the problem that the wind power cooling of castings can not be realized when a die is opened through structural improvement; dust absorption and purification can not be achieved in a linkage way while the mold is opened and closed; the wind power cooling structure can not be organically combined with the locking structure. A casting device with wind power assisted cooling and dust purification comprises a die A; the die A is of a rectangular structure. Through the setting of locking structure, because of having seted up the draw-in groove on the locking piece, and this draw-in groove is semi-cylindrical groove column structure to this draw-in groove is the joint form with the pipe fitting when mould B slides to close, thereby can realize mould B's supplementary shutting on the one hand, on the other hand, still can judge whether mould B closes in place according to the joint condition of draw-in groove and pipe fitting.
Description
Technical Field
The invention belongs to the technical field of casting devices, and particularly relates to casting equipment with wind power assisted cooling and dust purification.
Background
The casting mould is to make the structural shape of the part by using other materials which are easy to mold in advance, then put the part into a sand mould, so that a cavity with the same structural size as the part is formed in the sand mould, and then pour the fluidity liquid into the cavity, and the liquid can be cooled and solidified to form the part with the same structural shape as the mould. Casting molds are an important ring in the casting process.
The application number is as follows: CN201010534732.0, the present invention discloses a mold for the casting field. The lower die is provided with a lower die cavity recessed inwards and a side wall surrounding the lower die cavity, a notch penetrating through the side wall is arranged on the side wall of the lower die, the sliding block comprises a first body positioned on the outer side of the side wall and a second body matched with the size of the notch and inserted into the notch, and the size of the first body is larger than that of the second body; the upper die is provided with an upper die cavity which is concave inwards, and the bottom surface of the upper die cavity and the surface of the second body facing the lower die cavity are provided with convex or concave patterns.
Casting equipment similar to the above application also suffers from the following drawbacks:
firstly, the casting needs to be placed and cooled after the re-casting of the existing device is finished, and the natural wind cooling time of the casting is generally longer, so that the wind cooling of the casting can not be realized while the die is opened through structural improvement; moreover, the existing device is easy to generate a large amount of dust in the casting process, and can not realize the absorption and purification of the dust in a linkage way when the mould is opened and closed; furthermore, the wind cooling structure of the existing device cannot be organically combined with the locking structure.
Accordingly, in view of the above, research and improvement are made on the existing structure and the existing defects, and a casting device with wind-force-assisted cooling and dust purification is provided, so that the purpose of higher practical value is achieved.
Disclosure of Invention
In order to solve the technical problems, the invention provides casting equipment with wind power assisted cooling and dust purification, which aims to solve the problems that the casting needs to be placed and cooled after the casting is finished by the existing device, the natural wind power cooling time of the casting is generally longer, and the wind power cooling of the casting can not be realized while the die is opened through structural improvement; moreover, the existing device is easy to generate a large amount of dust in the casting process, and can not realize the absorption and purification of the dust in a linkage way when the mould is opened and closed; furthermore, the wind power cooling structure of the prior device can not be organically combined with the locking structure.
The invention discloses a casting device with wind power assisted cooling and dust purification, which is characterized by comprising the following specific technical means:
a casting device with wind power assisted cooling and dust purification comprises a die A;
the die A is of a rectangular structure;
the die B is connected to the die A in a sliding manner;
the cooling structure is arranged on the die B;
and the purifying structure is arranged on the die B.
Further, the mold a includes:
two sliding bulges are arranged in total, and the two sliding bulges are symmetrically welded on the die A; the two sliding bulges are both in sliding connection with the die B, and the two sliding bulges are both in a T-shaped structure.
Further, the die a further includes:
the feeding pipe is welded on the die A and is of an L-shaped tubular structure, and when the die B is closed in a sliding mode, the front end face of the die B is in close contact with the tail end of the feeding pipe.
Further, the cooling structure includes:
the rotating seat is welded on the die B, and the rotating seat is rotationally connected with a pipe fitting; the pipe fitting is provided with a gear, and the pipe fitting is provided with blades in a rectangular array shape.
Further, the die a further includes:
the tooth row is welded on the die A and meshed with the gear.
Further, the purifying structure includes:
the water storage box is of a square box-shaped structure, is arranged on the die B and contains filtered liquid;
the elastic telescopic gas cylinder is arranged on the die B and is connected with an exhaust pipe and an air suction pipe; check valves are arranged in the exhaust pipe and the air suction pipe.
Further, the air suction pipe is connected with the pipe fitting, and the pipe fitting is of a cylindrical tubular structure; the pipe fitting is provided with the air suction holes in an annular array shape, and the air suction holes in the annular array shape form a diffusion type air suction structure of the pipe fitting together.
Further, the cooling structure further includes:
the toggle rods are provided with eight toggle rods in total, the eight toggle rods are welded on the pipe fitting in an annular array shape, and the pipe fitting is in elastic contact with the elastic telescopic gas cylinder;
a locking structure is arranged below the cooling structure.
Further, the locking structure includes:
the base body is welded on the die A, two sliding rods are connected to the base body in a sliding manner, and locking blocks are connected to the two sliding rods in a threaded manner;
the elastic pieces are arranged in two in total and are sleeved on the two sliding rods respectively, and the two elastic pieces form an elastic stretching structure of the sliding rods and the locking blocks.
Further, a clamping groove is formed in the locking block, the clamping groove is of a semi-cylindrical groove structure, and the clamping groove and the pipe fitting are clamped when the die B is closed in a sliding mode.
Compared with the prior art, the invention has the following beneficial effects:
through the arrangement of the locking structure, two elastic pieces are arranged in total and are respectively sleeved on the two sliding rods, and the two elastic pieces jointly form an elastic stretching structure of the sliding rods and the locking block; the locking block is provided with the clamping groove which is of a semi-cylindrical groove structure, and the clamping groove is in a clamping connection shape with the pipe fitting when the die B is closed in a sliding mode, so that on one hand, the auxiliary locking of the die B can be realized, and on the other hand, whether the die B is closed in place can be judged according to the clamping connection condition of the clamping groove and the pipe fitting.
The setting through cooling structure can realize the wind-force cooling of foundry goods when sliding open mould B, and is concrete as follows: firstly, a rotating seat is welded on a die B, and a pipe fitting is rotationally connected to the rotating seat; the pipe fitting is provided with a gear, and blades are arranged on the pipe fitting in a rectangular array shape, so that the blades are in a rotating shape when the gear rotates; the tooth row is welded on the die A and meshed with the gear, so that the gear and the blades are in a rotating shape when the die B is opened in a sliding mode, and further wind power cooling of cast parts is achieved.
The elastic telescopic gas cylinder is arranged on the die B and is connected with the exhaust pipe and the air suction pipe through the matching arrangement of the cooling structure and the purifying structure; the exhaust pipe and the air suction pipe are internally provided with the one-way valves, so that the air suction and the air discharge actions can be realized when the elastic telescopic air cylinder is compressed and released, and the filtration of the sucked air from the air suction pipe is realized; the stirring rods are arranged in total, the eight stirring rods are welded on the pipe fitting in an annular array shape, and the pipe fitting is in elastic contact with the elastic telescopic gas cylinder, so that continuous extrusion of the elastic telescopic gas cylinder can be realized when the pipe fitting rotates, and further, the gas suction and exhaust actions of the elastic telescopic gas cylinder are realized.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 at a.
Fig. 3 is an enlarged schematic view of the structure of fig. 1 at B according to the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 1 at C according to the present invention.
Fig. 5 is a schematic left-hand view of the present invention.
Fig. 6 is an enlarged schematic view of the structure of fig. 5D according to the present invention.
Fig. 7 is a schematic diagram of an isometric view of the mold B of the present invention after opening.
Fig. 8 is an enlarged schematic view of the structure of fig. 7 at E according to the present invention.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a die A; 101. a sliding protrusion; 102. a feed pipe; 103. a tooth row; 2. a die B; 3. a cooling structure; 301. a rotating seat; 302. a pipe fitting; 303. a blade; 304. an air suction hole; 305. a gear; 306. a toggle rod; 4. a purifying structure; 401. a water storage box; 402. an elastic telescopic gas cylinder; 403. an exhaust pipe; 404. an air suction pipe; 5. a locking structure; 501. a base; 502. a slide bar; 503. a locking block; 504. an elastic member.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 8:
the invention provides casting equipment with wind power assisted cooling and dust purification, which comprises a die A1;
the die A1 is of a rectangular structure;
the die B2 is connected to the die A1 in a sliding manner;
the cooling structure 3 is arranged on the die B2;
purifying structure 4, purifying structure 4 is installed on mould B2.
Referring to fig. 7, a mold A1 includes:
the sliding protrusions 101 are arranged in total, and the two sliding protrusions 101 are symmetrically welded on the die A1; the two sliding protrusions 101 are both in sliding connection with the die B2, and the two sliding protrusions 101 are both of T-shaped structures, so that the sliding type die opening and closing of the die B2 can be realized.
Referring to fig. 1 and 7, the mold A1 further includes:
the feeding pipe 102, the feeding pipe 102 is welded on the die A1, the feeding pipe 102 is of an L-shaped tubular structure, and when the die B2 is closed in a sliding mode, the front end face of the die B2 is in close contact with the tail end of the feeding pipe 102, so that limiting of the die B2 can be achieved.
Referring to fig. 1, the cooling structure 3 includes:
the rotary seat 301, the rotary seat 301 is welded on the die B2, and the rotary seat 301 is rotationally connected with a pipe fitting 302; the pipe 302 is provided with a gear 305, and the pipe 302 is provided with blades 303 in a rectangular array, so that the blades 303 are rotated when the gear 305 rotates.
Referring to fig. 7, the mold A1 further includes:
the tooth row 103, the tooth row 103 is welded on the die A1, and the tooth row 103 is meshed with the gear 305, so that the gear 305 and the blade 303 are in a rotating shape when the die B2 is opened in a sliding mode, and further the wind cooling of the cast part is realized.
Referring to fig. 7, the purifying structure 4 includes:
the water storage box 401 is of a square box-shaped structure, the water storage box 401 is arranged on the die B2, and filtered liquid is contained in the water storage box 401;
the elastic telescopic gas cylinder 402, the elastic telescopic gas cylinder 402 is arranged on the die B2, and the elastic telescopic gas cylinder 402 is connected with an exhaust pipe 403 and an air suction pipe 404; the exhaust pipe 403 and the air suction pipe 404 are respectively provided with a one-way valve, so that the air suction and the air discharge actions can be realized when the elastic telescopic air cylinder 402 is compressed and released, and the filtration of the sucked air from the air suction pipe 404 is realized.
Referring to fig. 1 and 3, the suction pipe 404 is connected to the pipe 302, and the pipe 302 is of a cylindrical tubular structure; the pipe 302 is provided with the air suction holes 304 in an annular array shape, and the air suction holes 304 in the annular array shape form a diffusion type air suction structure of the pipe 302 together, so that air suction efficiency can be improved.
Referring to fig. 1 and 2, the cooling structure 3 further includes:
the toggle rods 306, the toggle rods 306 are provided with eight in total, the eight toggle rods 306 are welded on the pipe fitting 302 in an annular array shape, and the pipe fitting 302 is in elastic contact with the elastic telescopic gas cylinder 402, so that continuous extrusion of the elastic telescopic gas cylinder 402 can be realized when the pipe fitting 302 rotates, and further the gas suction and exhaust actions of the elastic telescopic gas cylinder 402 are realized;
a locking structure 5 is arranged below the cooling structure 3.
Referring to fig. 1 and 4, the latch structure 5 includes:
the base body 501, the base body 501 is welded on the die A1, two sliding rods 502 are connected to the base body 501 in a sliding manner, and locking blocks 503 are connected to the two sliding rods 502 in a threaded manner;
the two elastic members 504 are provided, the two elastic members 504 are respectively sleeved on the two sliding rods 502, and the two elastic members 504 together form an elastic stretching structure of the sliding rods 502 and the locking blocks 503.
Referring to fig. 4, a locking block 503 is provided with a locking groove, and the locking groove has a semi-cylindrical groove structure, and when the die B2 is closed by sliding, the locking groove and the pipe 302 are in a locking shape, so that on one hand, auxiliary locking of the die B2 can be realized, and on the other hand, whether the die B2 is closed in place can be determined according to the locking condition of the locking groove and the pipe 302.
In another embodiment, the sliding rod 502 and the elastic member 504 may be replaced by two elastic telescopic rods, so that the elastic extension of the locking piece 503 is achieved by the elastic extension and contraction of the two elastic telescopic rods.
Specific use and action of the embodiment:
when the die B2 is opened, firstly, the rotating seat 301 is welded on the die B2, and the pipe 302 is rotationally connected to the rotating seat 301; the pipe 302 is provided with a gear 305, and the pipe 302 is provided with blades 303 in a rectangular array shape, so that when the gear 305 rotates, the blades 303 rotate; the tooth row 103 is welded on the die A1, and the tooth row 103 is meshed with the gear 305, so that the gear 305 and the blades 303 rotate when the die B2 is opened in a sliding manner, and further the wind cooling of the cast part is realized; second, because the elastic telescopic gas cylinder 402 is installed on the die B2, the elastic telescopic gas cylinder 402 is connected with the exhaust pipe 403 and the air suction pipe 404; the exhaust pipe 403 and the air suction pipe 404 are internally provided with one-way valves, so that the air suction and the air discharge actions can be realized when the elastic telescopic air cylinder 402 is compressed and released, and the filtration of the sucked air from the air suction pipe 404 is realized; eight toggle rods 306 are arranged in total, the eight toggle rods 306 are welded on the pipe fitting 302 in an annular array shape, and the pipe fitting 302 is in elastic contact with the elastic telescopic gas cylinder 402, so that continuous extrusion of the elastic telescopic gas cylinder 402 can be realized when the pipe fitting 302 rotates, and further the gas suction and exhaust actions of the elastic telescopic gas cylinder 402 are realized;
when the mold B2 is opened, two elastic members 504 are provided, and the two elastic members 504 are respectively sleeved on the two sliding rods 502, and the two elastic members 504 together form an elastic stretching structure of the sliding rods 502 and the locking blocks 503; the locking block 503 is provided with a clamping groove, the clamping groove is of a semi-cylindrical groove structure, and when the die B2 is closed in a sliding mode, the clamping groove and the pipe fitting 302 are in a clamping mode, so that on one hand, auxiliary locking of the die B2 can be achieved, and on the other hand, whether the die B2 is closed or not can be judged according to the clamping condition of the clamping groove and the pipe fitting 302.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. Casting equipment with supplementary cooling of wind-force and dust purification, its characterized in that: comprises a die A;
the die A is of a rectangular structure;
the die B is connected to the die A in a sliding manner;
the cooling structure is arranged on the die B;
a purge structure mounted on the mold B;
the purification structure comprises:
the water storage box is of a square box-shaped structure, is arranged on the die B and contains filtered liquid;
the elastic telescopic gas cylinder is arranged on the die B and is connected with an exhaust pipe and an air suction pipe; the exhaust pipe and the air suction pipe are internally provided with one-way valves;
the air suction pipe is connected with the pipe fitting, and the pipe fitting is of a cylindrical tubular structure; the pipe fitting is provided with air suction holes in an annular array shape, and the air suction holes in the annular array shape form a diffusion type air suction structure of the pipe fitting together;
the cooling structure further includes:
the toggle rods are provided with eight toggle rods in total, the eight toggle rods are welded on the pipe fitting in an annular array shape, and the pipe fitting is in elastic contact with the elastic telescopic gas cylinder;
a locking structure is arranged below the cooling structure;
the locking structure comprises:
the base body is welded on the die A, two sliding rods are connected to the base body in a sliding manner, and locking blocks are connected to the two sliding rods in a threaded manner;
the two elastic pieces are sleeved on the two sliding rods respectively, and the two elastic pieces form an elastic stretching structure of the sliding rods and the locking piece together;
the locking block is provided with a clamping groove which is of a semi-cylindrical groove structure, and the clamping groove is clamped with the pipe fitting when the die B is closed in a sliding mode.
2. A casting apparatus with wind assisted cooling and dust cleaning as defined in claim 1, wherein: the die a includes:
two sliding bulges are arranged in total, and the two sliding bulges are symmetrically welded on the die A; the two sliding bulges are both in sliding connection with the die B, and the two sliding bulges are both in a T-shaped structure.
3. A casting apparatus with wind assisted cooling and dust cleaning as defined in claim 1, wherein: the mold a further includes:
the feeding pipe is welded on the die A and is of an L-shaped tubular structure, and when the die B is closed in a sliding mode, the front end face of the die B is in close contact with the tail end of the feeding pipe.
4. A casting apparatus with wind assisted cooling and dust cleaning as defined in claim 1, wherein: the cooling structure comprises:
the rotating seat is welded on the die B, and the rotating seat is rotationally connected with a pipe fitting; the pipe fitting is provided with a gear, and the pipe fitting is provided with blades in a rectangular array shape.
5. A casting apparatus with wind assisted cooling and dust cleaning as defined in claim 1, wherein: the mold a further includes:
the tooth row is welded on the die A and meshed with the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027360.5A CN114505449B (en) | 2022-01-11 | 2022-01-11 | Casting equipment with wind-force is supplementary to be cooled down and dust purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027360.5A CN114505449B (en) | 2022-01-11 | 2022-01-11 | Casting equipment with wind-force is supplementary to be cooled down and dust purification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114505449A CN114505449A (en) | 2022-05-17 |
| CN114505449B true CN114505449B (en) | 2024-01-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210027360.5A Active CN114505449B (en) | 2022-01-11 | 2022-01-11 | Casting equipment with wind-force is supplementary to be cooled down and dust purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114505449B (en) |
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| CN112207194A (en) * | 2020-09-22 | 2021-01-12 | 叶明喜 | Be used for engine cylinder lid casting to have a refrigerated mould that adjusts temperature |
| CN213671788U (en) * | 2020-11-18 | 2021-07-13 | 青岛良辰机械有限公司 | Casting mould with compound die self-locking function |
| CN214814735U (en) * | 2021-02-22 | 2021-11-23 | 广东鸿劲金属铝业有限公司 | High-efficient cooling device is used in casting of regeneration aluminum alloy ingot |
| CN113770128A (en) * | 2021-08-26 | 2021-12-10 | 张朝志 | Textile machine provided with dustproof device |
| CN113733468A (en) * | 2021-09-22 | 2021-12-03 | 青岛华仕达机器股份有限公司 | Automatic formula of tailorring seamless elbow processingequipment of rapid cooling |
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| CN114505449A (en) | 2022-05-17 |
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Effective date of registration: 20231218 Address after: 266000 resident of Wangtai Town, Huangdao District, Qingdao City, Shandong Province Applicant after: Qingdao Tongxinyuan Machinery Co.,Ltd. Address before: 337055 No. 500 Danjiang street, Anyuan District, Pingxiang City, Jiangxi Province Applicant before: Zhu Changni |
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