CN111918515B - High-strength intermediate piece structure of sliding rail and processing technology thereof - Google Patents
High-strength intermediate piece structure of sliding rail and processing technology thereof Download PDFInfo
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- CN111918515B CN111918515B CN201910384333.1A CN201910384333A CN111918515B CN 111918515 B CN111918515 B CN 111918515B CN 201910384333 A CN201910384333 A CN 201910384333A CN 111918515 B CN111918515 B CN 111918515B
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- punch
- bending part
- piece
- side body
- bending
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- 238000005516 engineering process Methods 0.000 title abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 66
- 238000004080 punching Methods 0.000 claims abstract description 16
- 239000011796 hollow space material Substances 0.000 claims abstract description 10
- 238000003754 machining Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 4
- 238000003801 milling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The application relates to a high-strength intermediate piece structure of a sliding rail and a processing technology thereof, comprising an intermediate piece body, wherein symmetrical side bodies are bent and extended at two ends of the intermediate piece body, and grooves are formed in the side bodies; the middle of the middle part body is a convex part, and two ends of the middle part body extend to form a straight part through the inclined part; the side body comprises a first bending part, a second bending part and a third bending part, and a hollow space is formed between the side body and the straight part of the middle piece body in a surrounding manner; after the cross section of the middle piece is rolled and formed, the grooves on the middle piece are formed in two steps of positive punching and side punching to meet the machining precision requirement, so that the sliding rail formed by matching the middle piece with the large piece and the small piece can slide smoothly; the middle piece provided by the application has high strength, and the deformation of the side body caused by the stress of the hollow structure is greatly reduced by the way of processing and forming the upper groove in two steps, so that the processing precision of the middle piece is improved, and the smoothness of the sliding rail is ensured.
Description
Technical Field
The application relates to the technical field of sliding rails, in particular to a high-strength sliding rail middleware structure and a processing technology thereof.
Background
A slide rail is a widely used device, typically for connecting two items that can move relative to each other.
The servers arranged in the cabinet are more matched with the sliding rail devices, so that the servers can be guided into the cabinet along the sliding rail during installation and maintenance, and accordingly the sliding rail is required to bear load. The sliding rail can slide smoothly under the condition of bearing on the premise of having certain bearing performance.
In the prior art, the sliding rail consists of a large piece, a middle piece and a small piece, the middle piece is externally connected with the large piece, and the small piece is internally connected, so that the structure and the machining precision of the sliding rail are quite important for the bearing and smooth sliding requirements of the sliding rail. The existing middleware is of a single-layer C-shaped structure, and when the server is heavy, the sliding rail is limited in obvious sliding.
Disclosure of Invention
The application provides a high-strength intermediate piece structure of a slide rail with a reasonable structure and a processing technology thereof aiming at the defects in the prior art, so that the strength and the processing precision of the intermediate piece are improved, the whole bearing performance of the slide rail is further improved, and the slide rail is ensured to slide smoothly in the use process.
The technical scheme adopted by the application is as follows:
the utility model provides a slide rail high strength middleware structure, middleware becomes integrated into one piece structure, includes the middleware body, and the extension is buckled at middleware body both ends has symmetrical side body, is formed with hollow space in the side, the cross-section of middleware body and both sides body constitutes "C" type structure.
As a further improvement of the above technical scheme:
the middle position of the middle part body is a protruding part, two ends of the protruding part extend to form a straight part through the inclined part, and the head of the straight part is outwards bent to form a side body.
The side body is of a double-layer structure, an arc-shaped first bending part outwards extending from the head of the straight part is arranged, a second bending part is arranged on the head of the first bending part in an extending mode to the side edge, a third bending part is arranged on the head of the second bending part in an extending mode towards the direction of the straight part, the head of the third bending part is connected with the straight part, and a hollow space is formed by the first bending part, the second bending part, the third bending part and the straight part in a surrounding mode.
The third bending part is positioned at the inner side of the first bending part, and the middle part of the third bending part is concaved inwards to form an arc shape in the direction of the space.
The third bending part is arranged on the outer side of the first bending part, the third bending part is coplanar with the straight part, and the third bending part is connected with the second bending part through an inward concave arc.
The convex part is parallel to the straight part; the joint of the inclined part, the convex part and the straight part is in arc transition.
The side body is provided with a groove.
The side body is provided with a plurality of grooves, and the number of the grooves is more than or equal to one.
The processing technology of the sliding rail high-strength intermediate piece structure comprises the following processing steps:
the first step: preparing a first punch and a second punch for machining grooves;
and a second step of: processing the intermediate piece; rolling and forming by adopting a rolling machine, and cutting off by a cutting die at the tail end of the rolling machine to obtain a middle piece;
and a third step of: punching holes to prepare for the positioning of the next intermediate piece on the punching machine;
fourth step: a punch with 45T pressure and a punch I made of SKD11 material are adopted, a middle piece is placed on a lower die holder of the punch in a lying mode, a side body faces upwards, the position where a groove is to be formed faces to the punch I, a starting button is pressed down, the punch I moves downwards under the action of the punch until contacting and pressing the side body, and a bending part II is torn inwards and filled into a space;
fifth step: a punch with 80T pressure and a punch II made of SKD11 material are adopted, a middle piece is vertically placed on a lower die holder of the punch, a middle piece body is vertically arranged, a side body faces the punch II, a concave part of a second bending part faces the punch II in the previous step, a start button is pressed down, and the punch II moves downwards under the action of the punch until contacting and pressing and penetrating the side body, so that a groove is formed on the side body;
sixth step: repeating the fourth step and the fifth step to form a plurality of grooves;
seventh step: and finishing the processing of the middleware.
The beneficial effects of the application are as follows:
the application has compact and reasonable structure and convenient operation, and the two ends of the middle piece body form the side body with a double-layer hollow structure through the first bending part, the second bending part and the third bending part which are continuously arranged on the side body in an extending way, so that the strength of the middle piece is greatly improved; the side body of the double-layer structure is internally provided with a hollow space, the side body is formed by adopting positive punching and side punching during groove processing, the second concave of the bending part is torn and deformed during positive punching and is filled into the hollow space, and the final groove is formed by adopting a side punching mode, so that the deformation of the side body close to the groove is greatly reduced, the processing precision of the intermediate piece is improved, and the intermediate piece and a large piece and a small piece are matched to slide more smoothly.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a partial enlarged view of the portion a in fig. 1.
Fig. 3 is a cross-sectional view of the intermediate member of the present application (embodiment one).
Fig. 4 is a cross-sectional view of the intermediate member of the present application (second embodiment).
Fig. 5 is a schematic illustration of the forward processing of the present application.
FIG. 6 is a schematic drawing of a side impact process of the present application.
Wherein: 1. a middleware body; 11. a protruding portion; 12. an inclined portion; 13. a straight portion; 2. a side body; 21. a first bending part; 22. a second bending part; 23. a bending part III; 24. an arc shape; 25. a space; 3. a groove; 4. a punch I; 5. and a punch II.
Detailed Description
The following describes specific embodiments of the present application with reference to the drawings.
As shown in fig. 1 and 2, in the high-strength intermediate member structure of the sliding rail of this embodiment, the intermediate member is in an integral structure, and includes an intermediate member body 1, symmetrical side bodies 2 are bent and extended at two ends of the intermediate member body 1, a hollow space 25 is formed in the side bodies 2, and the cross sections of the intermediate member body 1 and the side bodies 2 form a "C" structure.
As shown in fig. 3 and 4, the middle position of the middle part body 1 is a protruding part 11, two ends of the protruding part 11 are extended with straight parts 13 through inclined parts 12, and the heads of the straight parts 13 are outwards bent to form the side body 2.
The side body 2 is of a double-layer structure, an arc-shaped first bending part 21 extends outwards from the head of the straight part 13, a second bending part 22 extends sideways from the head of the first bending part 21, a third bending part 23 extends towards the direction of the straight part 13 from the head of the second bending part 22, the head of the third bending part 23 is connected with the straight part 13, and a hollow space 25 is formed by the first bending part 21, the second bending part 22, the third bending part 23 and the straight part 13.
As shown in fig. 3, in the first embodiment, the third bending portion 23 is located inside the first bending portion 21, and the middle portion of the third bending portion 23 is concaved inward toward the direction of the space 25 to form an arc 24.
As shown in fig. 4, in the second embodiment, the third bending portion 23 is located outside the first bending portion 21, the third bending portion 23 is coplanar with the straight portion 13, and is connected to the second bending portion 22 through the concave arc 24.
The projection 11 is parallel to the straight portion 13; the joints of the inclined part 12, the convex part 11 and the straight part 13 are all in arc transition.
The side body 2 is provided with a groove 3.
The side body 2 is provided with a plurality of grooves 3, and the number of the grooves 3 is more than or equal to one.
The processing technology of the sliding rail high-strength intermediate piece structure of the embodiment comprises the following processing steps:
the first step: preparing a first punch 4 and a second punch 5 for machining the groove 3;
and a second step of: processing the intermediate piece; using RF058 series rollers, rolling and forming on a rolling machine, and cutting off by using an RF058-CT model cutting die at the tail end of the rolling machine to obtain a middleware;
and a third step of: punching holes to prepare for the positioning of the next intermediate piece on the punching machine;
fourth step: positive punching half-shearing; a punch with 45T pressure and a punch I4 made of SKD11 material are adopted, as shown in fig. 4, a middle piece is placed on a lower die holder of the punch in a lying mode, the side body 2 faces upwards, the position of a groove 3 to be formed faces the punch I4, a starting button is pressed down, the punch I4 moves downwards under the action of the punch until contacting and pressing the side body 2, and a bending part II 22 is torn in a concave mode and is filled into a space 25;
fifth step: side punching; the method comprises the steps that a punch with 80T pressure and a punch II 5 made of SKD11 material are adopted, as shown in fig. 5, a middle piece is placed on a lower die holder of the punch in a standing mode, a middle piece body 1 is erected, a side body 2 faces the punch II 5, a concave part of a second bending part 22 in the previous step faces the punch II 5, a starting button is pressed down, the punch II 5 moves downwards under the action of the punch until contacting and pressing, and penetrates through the side body 2, and therefore a groove 3 is formed in the side body 2;
sixth step: repeating the fourth step and the fifth step to form a plurality of grooves 3;
seventh step: and finishing the processing of the middleware.
For machining the groove 3 on the middle piece, if milling machine machining is adopted, stress deformation of the side body 2 in the machining process can be avoided, but the milling machine machining is long in time consumption and low in efficiency;
for the processing of the groove 3 on the intermediate member, if the intermediate member is directly side-punched, the hollow space 25 in the side body 2 causes serious deformation of the side body 2 during the processing of the groove 3, so that the intermediate member cannot be used.
The middle piece disclosed by the application has the advantages of compact and reasonable structure and high strength, the groove features on the middle piece are processed in a positive punching and side punching combined mode, the efficiency is high, the precision is good, the bearing performance of the sliding rail is greatly improved, and the sliding smoothness of the sliding rail is ensured.
The above description is intended to illustrate the application and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the application.
Claims (3)
1. A slide rail high strength middleware structure, its characterized in that: the middle piece is of an integrated structure and comprises a middle piece body (1), symmetrical side bodies (2) are bent and extended at two ends of the middle piece body (1), a hollow space (25) is formed in each side body (2), and the cross sections of the middle piece body (1) and the two side bodies (2) form a C-shaped structure;
the middle position of the middle part body (1) is provided with a protruding part (11), two ends of the protruding part (11) are extended with a straight part (13) through an inclined part (12), and the head part of the straight part (13) is outwards bent to form a side body (2);
the side body (2) is of a double-layer structure, an arc-shaped first bending part (21) extends outwards from the head of the straight part (13), a second bending part (22) extends sideways from the head of the first bending part (21), a third bending part (23) extends towards the direction of the straight part (13) from the head of the second bending part (22), the head of the third bending part (23) is connected with the straight part (13), and a hollow space (25) is formed by the first bending part (21), the second bending part (22), the third bending part (23) and the straight part (13) in a surrounding mode;
the third bending part (23) is positioned at the inner side of the first bending part (21), and the middle part of the third bending part (23) is concaved inwards towards the direction of the space (25) to form an arc (24); or the third bending part (23) is positioned at the outer side of the first bending part (21), the third bending part (23) is coplanar with the straight part (13), and the third bending part is connected with the second bending part (22) through an inward concave arc (24);
a groove (3) is formed in the side body (2);
the sliding rail high-strength intermediate piece structure is processed through the following processing steps:
the first step: preparing a first punch (4) and a second punch (5) for machining the groove (3);
and a second step of: processing the intermediate piece; rolling and forming by adopting a rolling machine, and cutting off by a cutting die at the tail end of the rolling machine to obtain a middle piece;
and a third step of: punching holes to prepare for the positioning of the next intermediate piece on the punching machine;
fourth step: a punch with 45T pressure and a punch I (4) made of SKD11 material are adopted, a middle piece is placed on a lower die holder of the punch in a lying mode, a side body (2) faces upwards, the position of a groove (3) to be formed faces the punch I (4), a starting button is pressed down, the punch I (4) moves from top to bottom under the action of the punch until contacting and pressing the side body (2), and a bending part II (22) is torn in a concave mode and is filled into a space (25);
fifth step: the method comprises the steps that a punch with 80T pressure and a punch II (5) made of SKD11 material are adopted, a middle piece is placed on a lower die holder of the punch in a standing mode, a middle piece body (1) is vertical, a side body (2) faces the punch II (5), a concave portion of a bending portion II (22) in the previous step faces the punch II (5), a starting button is pressed down, the punch II (5) moves from top to bottom under the action of the punch until contacting and pressing, and penetrates through the side body (2), and therefore a groove (3) is formed in the side body (2);
sixth step: repeating the fourth step and the fifth step to form a plurality of grooves (3);
seventh step: and finishing the processing of the middleware.
2. The slide rail high strength intermediate structure of claim 1, wherein: the convex part (11) is parallel to the straight part (13); the joint parts of the inclined part (12), the protruding part (11) and the straight part (13) are in arc transition.
3. The slide rail high strength intermediate structure of claim 1, wherein: the side body (2) is provided with a plurality of grooves (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384333.1A CN111918515B (en) | 2019-05-09 | 2019-05-09 | High-strength intermediate piece structure of sliding rail and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384333.1A CN111918515B (en) | 2019-05-09 | 2019-05-09 | High-strength intermediate piece structure of sliding rail and processing technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111918515A CN111918515A (en) | 2020-11-10 |
| CN111918515B true CN111918515B (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384333.1A Active CN111918515B (en) | 2019-05-09 | 2019-05-09 | High-strength intermediate piece structure of sliding rail and processing technology thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111918515B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267147A (en) * | 1995-03-31 | 1996-10-15 | Toshiba Corp | Press working device for metal plate |
| EP1176859A2 (en) * | 2000-07-28 | 2002-01-30 | Mitsubishi Denki Kabushiki Kaisha | Front rail of an electronic rack |
| CN101250841A (en) * | 2007-12-29 | 2008-08-27 | 郑州大学 | Rail joint vitreous enamel insulating spacer |
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| WO2015032160A1 (en) * | 2013-09-09 | 2015-03-12 | 苏州腾龙电机科技有限公司 | Method for manufacturing metal core, metal core structure, and motor |
| JP2016226156A (en) * | 2015-05-29 | 2016-12-28 | 河村電器産業株式会社 | Electric equipment housing box |
| CN106852064A (en) * | 2017-03-07 | 2017-06-13 | 无锡海达尔精密滑轨股份有限公司 | A kind of guiding mechanism of the interior rail for slide rail |
| CN206779265U (en) * | 2017-04-28 | 2017-12-22 | 东莞市毅帆五金模具有限公司 | Positive stamping die after a kind of first side blow |
| CN208230602U (en) * | 2018-04-12 | 2018-12-14 | 上海长特锻造有限公司 | A kind of press machine |
| CN210042631U (en) * | 2019-05-09 | 2020-02-07 | 泛亚电子工业(无锡)有限公司 | High-strength intermediate part structure of sliding rail |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2967213B1 (en) * | 2013-03-13 | 2023-09-13 | Accuride International Inc. | Slim drawer slide |
| JP2022117726A (en) * | 2021-02-01 | 2022-08-12 | 日東工業株式会社 | Cabinet for storing electrical and electronic devices |
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2019
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267147A (en) * | 1995-03-31 | 1996-10-15 | Toshiba Corp | Press working device for metal plate |
| EP1176859A2 (en) * | 2000-07-28 | 2002-01-30 | Mitsubishi Denki Kabushiki Kaisha | Front rail of an electronic rack |
| CN101250841A (en) * | 2007-12-29 | 2008-08-27 | 郑州大学 | Rail joint vitreous enamel insulating spacer |
| CN101888762A (en) * | 2009-05-15 | 2010-11-17 | 日东工业株式会社 | Frame type housing |
| TWM412599U (en) * | 2011-04-28 | 2011-09-21 | Keen Neek Co Ltd | Sliding device |
| CN102902835A (en) * | 2012-06-29 | 2013-01-30 | 天津汽车模具股份有限公司 | Female die sleeve design template for cold stamping dies |
| WO2015032160A1 (en) * | 2013-09-09 | 2015-03-12 | 苏州腾龙电机科技有限公司 | Method for manufacturing metal core, metal core structure, and motor |
| JP2016226156A (en) * | 2015-05-29 | 2016-12-28 | 河村電器産業株式会社 | Electric equipment housing box |
| CN106852064A (en) * | 2017-03-07 | 2017-06-13 | 无锡海达尔精密滑轨股份有限公司 | A kind of guiding mechanism of the interior rail for slide rail |
| CN206779265U (en) * | 2017-04-28 | 2017-12-22 | 东莞市毅帆五金模具有限公司 | Positive stamping die after a kind of first side blow |
| CN208230602U (en) * | 2018-04-12 | 2018-12-14 | 上海长特锻造有限公司 | A kind of press machine |
| CN210042631U (en) * | 2019-05-09 | 2020-02-07 | 泛亚电子工业(无锡)有限公司 | High-strength intermediate part structure of sliding rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111918515A (en) | 2020-11-10 |
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