CN113482499A - Bending punch forming anti-theft door and manufacturing method thereof - Google Patents
Bending punch forming anti-theft door and manufacturing method thereof Download PDFInfo
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- CN113482499A CN113482499A CN202110936233.2A CN202110936233A CN113482499A CN 113482499 A CN113482499 A CN 113482499A CN 202110936233 A CN202110936233 A CN 202110936233A CN 113482499 A CN113482499 A CN 113482499A
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- 238000005452 bending Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims abstract description 15
- 238000001513 hot isostatic pressing Methods 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 29
- 238000005457 optimization Methods 0.000 claims description 15
- 238000004080 punching Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/11—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/54—Fixing of glass panes or like plates
- E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
- E06B3/5807—Fixing of glass panes or like plates by means of borders, cleats, or the like not adjustable
- E06B3/5821—Fixing of glass panes or like plates by means of borders, cleats, or the like not adjustable hooked on or in the frame member, fixed by clips or otherwise elastically fixed
- E06B3/5828—Fixing of glass panes or like plates by means of borders, cleats, or the like not adjustable hooked on or in the frame member, fixed by clips or otherwise elastically fixed on or with auxiliary pieces
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/88—Edge-protecting devices for door leaves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7011—Door leaves with easily replaceable or interchangeable panels
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7059—Specific frame characteristics
- E06B2003/7074—Metal frames
- E06B2003/7076—Metal frames insulated
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention discloses a bending punch forming anti-theft door and a preparation method thereof, belonging to the technical field of anti-theft, wherein the anti-theft door comprises a front panel, a door core, a rear panel and a reinforced side door panel; the door core includes: a front door core plate, a topological framework and a rear door core plate; the front door core plate and the rear door core plate are integrally formed; the topological framework is prepared by adopting a powder forming technology, so that the invention has the advantages of the following three aspects: 1) the finite element analysis technology is adopted to ensure the strength, simultaneously, the size and the thickness of the framework are optimized, and the production difficulty and the cost are reduced; 2) the hot isostatic pressing technology is adopted to prepare the framework, and different powders can be selected according to requirements to realize different strength effects; 3) the front door core plate and the rear door core plate are prepared by adopting a bending punch forming technology, and the secondary processing procedure is reduced and the preparation timeliness is improved by utilizing the combination of the bending part and the framework.
Description
Technical Field
The invention belongs to the technical field of burglary prevention, and particularly relates to a bending punch forming burglary-resisting door and a manufacturing method thereof.
Background
The anti-theft door is called as anti-theft safety door. It has both anti-theft and safety performance. According to the regulations of general technical conditions for anti-theft safety doors, qualified anti-theft doors cannot be pried or opened with an opening of 615 square centimeters on a door leaf or opened with an opening of 38 square millimeters in a semicircle with a 150 square millimeters locking point by using common hand tools such as chisels, screwdrivers, crowbars and the like and portable electric tools such as electric hand drills and the like within 15 minutes. And the lockset used on the anti-theft door must be a special lock with an anti-drilling function, which is qualified through the detection of a detection center of a public security department. The security door can be made of different materials, but the door which can receive the safety precaution product and the proof of the product can be called as the security door only if the security door reaches the standard and is qualified after detection. However, the existing anti-theft door is complex to mount and insufficient in strength, so the applicant provides the anti-theft door formed by bending and punching and the preparation method thereof.
Disclosure of Invention
Technical problem to be solved
The problems of complex installation and insufficient strength of the anti-theft door are solved.
(II) technical scheme
The invention is realized by the following technical scheme: a bending punch forming anti-theft door; comprises a front panel, a door core, a rear panel and a reinforced side door panel; the method is characterized in that: the door core includes: a front door core plate, a topological framework and a rear door core plate; the front door core plate and the rear door core plate are integrally formed; the topological skeleton is prepared by adopting a powder forming technology.
As a further illustration of the above scheme, the topological skeleton is prepared by hot isostatic pressing; at least one groove is formed in the periphery of the topological framework; one side of the topological framework is provided with at least one screw hole; at least one screw hole is formed in one side of the long side of the topological skeleton; the reinforcing side door plate is provided with at least one groove, at least one protruding part and at least one screw hole.
As a further explanation of the above scheme, the front door core plate and the rear door core plate are prepared by adopting a metal plate punch forming preparation process; when the metal plate is punched, at least one bend is obtained by punching and bending one side of the long edge; and at least two bends are obtained by stamping and bending the upper side and the lower side of the metal plate during stamping.
As a further explanation of the above scheme, the groove is matched with the size and shape of the bend; the groove is matched with the thickness of the metal plate; the protruding part is matched with the size and the shape of the groove.
The invention also provides a preparation method of the anti-theft door formed by bending and punching, which comprises the following steps:
s1: performing topology optimization on the framework by using topology optimization according to the grade of the anti-theft door;
s2: slicing the topological optimization model to optimize and configure powder;
s3: preparing a topological framework by using a powder forming technology;
s4: preparing a front door core plate, a rear door core plate and a reinforcing side door plate from a metal plate by an integral forming process;
s5: and assembling the security door.
As a further illustration of the above solution, the powder in S2 includes metal-ceramic composite powder, metal powder, and ceramic powder; the powder forming technique in S3 includes a hot isostatic pressing technique; at least one groove is formed in the periphery of the topological framework; .
As a further explanation of the above scheme, the S4 is prepared by a bending punch forming process; when metal plates of a front door core plate and a rear door core plate are punched, at least one bending is obtained by punching and bending one side of a long edge; at least two bends are obtained by stamping and bending the upper side and the lower side of the metal plate during stamping; the reinforcing side door plate is provided with at least one groove, at least one protruding part and at least one screw hole.
As a further explanation of the above scheme, in S5, specifically, the front door core plate and the rear door core plate are bent and mounted into a topological skeleton; fixing the reinforced side door plate through a screw hole; and finally, mounting a front panel and a rear panel on the side, far away from the topological framework, of the front door core plate and the rear door core plate.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects: the invention has the advantages of the following three aspects: 1) the finite element analysis technology is adopted to ensure the strength, simultaneously, the size and the thickness of the framework are optimized, and the production difficulty and the cost are reduced; 2) the hot isostatic pressing technology is adopted to prepare the framework, and different powders can be selected according to requirements to realize different strength effects; 3) the front door core plate and the rear door core plate are prepared by adopting a bending punch forming technology, and the secondary processing procedure is reduced and the preparation timeliness is improved by utilizing the combination of the bending part and the framework.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an embodiment of the present invention;
in the figure: the anti-theft lock comprises a front panel (1), a front door core plate (2), a first front door core plate bend (21), a second front door core plate bend (22), a third front door core plate bend (23), a reserved front door core plate anti-theft lock position (24), a topological framework (3), a first groove (31), a second groove (32), a third groove (33), a fourth groove (34), a fifth groove (35), a sixth groove (36), a seventh groove (37) and an eighth groove (38); a framework screw hole (39); the anti-theft door comprises an anti-theft lock reserved position (310), a rear door core plate (4), a first rear door core plate bending part (41), a second rear door core plate bending part (42), a third rear door core plate bending part (43), a rear door core plate anti-theft lock reserved position (44), a rear panel (5), a reinforcing side door plate (6), a first protruding part (61), a second protruding part (62), a first groove (63), a second groove (64) and a side door plate screw hole (65).
Detailed Description
Referring to fig. 1 to 6, a bending, stamping and forming type security door; comprises a front panel, a door core, a rear panel and a reinforced side door panel; the method is characterized in that: the door core includes: a front door core plate, a topological framework and a rear door core plate; the front door core plate and the rear door core plate are integrally formed; the topological skeleton is prepared by adopting a powder forming technology.
Wherein the topological skeleton is prepared by hot isostatic pressing; at least one groove is formed in the periphery of the topological framework; one side of the topological framework is provided with at least one screw hole; at least one screw hole is formed in one side of the long side of the topological skeleton; the reinforcing side door plate is provided with at least one groove, at least one protruding part and at least one screw hole.
The front door core plate and the rear door core plate are prepared by adopting a metal plate punch forming preparation process; when the metal plate is punched, at least one bend is obtained by punching and bending one side of the long edge; and at least two bends are obtained by stamping and bending the upper side and the lower side of the metal plate during stamping.
Wherein, the groove is matched with the size and the shape of the bend; the groove is matched with the thickness of the metal plate; the protruding part is matched with the size and the shape of the groove.
The invention also provides a preparation method of the anti-theft door formed by bending and punching, which comprises the following steps:
s1: performing topology optimization on the framework by using topology optimization according to the grade of the anti-theft door;
s2: slicing the topological optimization model to optimize and configure powder;
s3: preparing a topological framework by using a powder forming technology;
s4: preparing a front door core plate, a rear door core plate and a reinforcing side door plate from a metal plate by an integral forming process;
s5: and assembling the security door.
Wherein the powder in S2 includes metal-ceramic composite powder, metal powder and ceramic powder; the powder forming technique in S3 includes a hot isostatic pressing technique; at least one groove is formed in the periphery of the topological framework; .
The S4 is prepared by adopting a bending and stamping forming process; when metal plates of a front door core plate and a rear door core plate are punched, at least one bending is obtained by punching and bending one side of a long edge; at least two bends are obtained by stamping and bending the upper side and the lower side of the metal plate during stamping; the reinforcing side door plate is provided with at least one groove, at least one protruding part and at least one screw hole.
Specifically, in S5, the front door core plate and the rear door core plate are bent and mounted into the topological skeleton; fixing the reinforced side door plate through a screw hole; and finally, mounting a front panel and a rear panel on the side, far away from the topological framework, of the front door core plate and the rear door core plate.
The working principle is as follows:
s1: performing topology optimization on the framework by using topology optimization according to the grade of the anti-theft door;
in the embodiment, only the framework is optimized, so that a proper door core framework is selected to establish a finite element model for finite element analysis; wherein, the thickness and the volume of the framework are used as variables to carry out topology optimization; adjusting the internal structure shape of the framework according to the optimization result;
s2: slicing the topological optimization model to optimize and configure powder;
after topology optimization is finished, proper powder including metal-ceramic composite powder, metal powder and ceramic powder is selected according to the requirements and the price grade;
s3: preparing a topological framework by using a powder forming technology;
in the embodiment, the hot isostatic pressing technology is preferred, the sheath is prepared by using a topological framework, and the metal-ceramic composite powder, the metal powder and the ceramic powder are selected for hot isostatic pressing of the topological framework;
after the skeleton is pressed, a plurality of grooves are formed in the periphery of the topological skeleton, and the grooves comprise a first groove 31, a second groove 32, a third groove 33, a fourth groove 34, a fifth groove 35, a sixth groove 36, a seventh groove 37 and an eighth groove 38; a plurality of framework screw holes 39; a picklock reservation location 310;
s4: preparing a front door core plate, a rear door core plate and a reinforcing side door plate from a metal plate by an integral forming process; when metal plates of the front door core plate and the rear door core plate are punched, the front door core plate is punched and bent at one side of the long side to obtain a first bending 21 of the front door core plate and a first bending 41 of the rear door core plate; the metal plate is punched and bent at the upper side and the lower side during punching to obtain a second bending 22 of the front door core plate, a third bending 23 of the front door core plate, a second bending 42 of the rear door core plate and a third bending 43 of the rear door core plate; finally, punching a front door core plate anti-theft lock reserved position 24 and a rear door core plate anti-theft lock reserved position 44 in the front door core plate and the rear door core plate; the reinforcing side door panel is provided with a first groove 63, a second groove 64, a first protrusion 61, a second protrusion 62 and a plurality of side door panel screw holes 65.
S5: and assembling the security door.
Specifically, the front door core plate and the rear door core plate are bent and installed into a topological framework; specifically, the first groove 31 corresponds to the first bend 21 of the front door core plate, the second groove 32 corresponds to the first bend 41 of the rear door core plate, the third groove 33 corresponds to the first protrusion 61, the fourth groove 34 corresponds to the second protrusion 62, the fifth groove 35 corresponds to the second bend 22 of the front door core plate, the sixth groove 36 corresponds to the second bend 42 of the rear door core plate, the seventh groove 37 corresponds to the third bend 23 of the front door core plate, and the eighth groove 38 corresponds to the third bend 43 of the rear door core plate; the plurality of framework screw holes 39 correspond to the plurality of side door panel screw holes 65 one by one, and the reinforced side door panel is fixed through the screw holes; and finally, mounting the front panel 1 and the rear panel 5 on the side, far away from the topological skeleton, of the front door core plate and the rear door core plate, and mounting the anti-theft lock.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A bending punch forming anti-theft door; comprises a front panel (1), a door core, a rear panel (5) and a reinforced side door panel (6); the method is characterized in that: the door core includes: the front door core plate (2), the topological framework (3) and the rear door core plate (4); the front door core plate (2) and the rear door core plate (4) adopt an integral forming process; the topological skeleton (3) is prepared by adopting a powder forming technology.
2. The anti-theft door formed by bending and stamping according to claim 1, wherein: the topological skeleton (3) is prepared by hot isostatic pressing; at least one groove is formed in the periphery of the topological framework (3); at least one screw hole is formed in one side of the topological framework (3); at least one screw hole is formed in one side of the long side of the topological skeleton (3); the reinforcing side door plate (6) is provided with at least one groove, at least one protruding part and at least one screw hole.
3. The anti-theft door formed by bending and stamping according to claim 1, wherein: the front door core plate (2) and the rear door core plate (4) are prepared by adopting a metal plate punch forming preparation process; when the metal plate is punched, at least one bend is obtained by punching and bending one side of the long edge; and at least two bends are obtained by stamping and bending the upper side and the lower side of the metal plate during stamping.
4. The burglar-proof door formed by bending and stamping according to claim 2 or 3, wherein: the groove is matched with the size and the shape of the bend; the groove is matched with the thickness of the metal plate; the protruding part is matched with the size and the shape of the groove.
5. The preparation method of the anti-theft door formed by bending and punching is characterized in that: the method comprises the following steps:
s1: performing topology optimization on the framework by using topology optimization according to the grade of the anti-theft door;
s2: slicing the topological optimization model to optimize and configure powder;
s3: preparing a topological framework by using a powder forming technology;
s4: preparing a front door core plate, a rear door core plate and a reinforcing side door plate from a metal plate by an integral forming process;
s5: and assembling the security door.
6. The method for manufacturing the anti-theft door formed by bending and stamping according to claim 5, wherein the method comprises the following steps: the powder in the S2 comprises metal-ceramic composite powder, metal powder and ceramic powder; the powder forming technique in S3 includes a hot isostatic pressing technique; at least one groove is arranged around the topological skeleton.
7. The method for manufacturing the anti-theft door formed by bending and stamping according to claim 5, wherein the method comprises the following steps: the S4 is prepared by adopting a bending and stamping forming process; when metal plates of a front door core plate and a rear door core plate are punched, at least one bending is obtained by punching and bending one side of a long edge; at least two bends are obtained by stamping and bending the upper side and the lower side of the metal plate during stamping; the reinforcing side door plate is provided with at least one groove, at least one protruding part and at least one screw hole.
8. The method for manufacturing the anti-theft door formed by bending and stamping according to claim 5, wherein the method comprises the following steps: s5, specifically, the front door core plate and the rear door core plate are bent and installed into the topological framework; fixing the reinforced side door plate through a screw hole; and finally, mounting a front panel and a rear panel on the side, far away from the topological framework, of the front door core plate and the rear door core plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936233.2A CN113482499A (en) | 2021-08-16 | 2021-08-16 | Bending punch forming anti-theft door and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936233.2A CN113482499A (en) | 2021-08-16 | 2021-08-16 | Bending punch forming anti-theft door and manufacturing method thereof |
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| CN113482499A true CN113482499A (en) | 2021-10-08 |
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| CN209942608U (en) * | 2019-03-22 | 2020-01-14 | 清远欧派集成家居有限公司 | Soft-packing door core plate |
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2021
- 2021-08-16 CN CN202110936233.2A patent/CN113482499A/en active Pending
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|---|---|---|---|---|
| CN101777089A (en) * | 2010-01-27 | 2010-07-14 | 代丽华 | Finite element analysis and optimization of door leaf of subway partition door |
| CN102392585A (en) * | 2011-10-26 | 2012-03-28 | 浙江华悦木业有限公司 | Production method of fire-proof and burglar-proof door |
| CN106570257A (en) * | 2016-10-27 | 2017-04-19 | 中国运载火箭技术研究院 | Variable density high-speed aircraft flap rudder |
| CN109877478A (en) * | 2019-02-20 | 2019-06-14 | 华南理工大学 | A kind of sodium filling valve and its manufacturing method based on topological optimization and 3D printing |
| CN209924821U (en) * | 2019-03-12 | 2020-01-10 | 宁波柯乐芙家居科技股份有限公司 | Coconut shell molded door plate |
| CN209942608U (en) * | 2019-03-22 | 2020-01-14 | 清远欧派集成家居有限公司 | Soft-packing door core plate |
| CN110079693A (en) * | 2019-06-18 | 2019-08-02 | 无锡职业技术学院 | The method for preparing metal-base composites blank based on 3D printing technique |
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