CN113028012B - Steel band power seal structure - Google Patents
Steel band power seal structure Download PDFInfo
- Publication number
- CN113028012B CN113028012B CN202110271134.7A CN202110271134A CN113028012B CN 113028012 B CN113028012 B CN 113028012B CN 202110271134 A CN202110271134 A CN 202110271134A CN 113028012 B CN113028012 B CN 113028012B
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- CN
- China
- Prior art keywords
- rolling part
- open slot
- steel strip
- steel
- sealing cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Abstract
The invention provides a steel strip power sealing structure which comprises an isolation plate, wherein an open slot is formed in the isolation plate, a steel strip, a mounting plate, a static sealing cover and a moving sealing cover are arranged along the open slot, the mounting plate and the static sealing cover are positioned at one end of the open slot, the opening edges of the static sealing cover and the moving sealing cover are in contact with the steel strip and the isolation plate in a fitting mode, a third rolling part, a fourth rolling part, a fifth rolling part and a sixth rolling part are arranged in the moving sealing cover, one end of the steel strip is connected with the mounting plate, the other end of the steel strip is fixed with the isolation plate, one surface, facing the open slot, of the steel strip is in contact with the fourth rolling part and the fifth rolling part respectively, and one surface, facing away from the open slot, of the steel strip is in contact with the third rolling part and the sixth rolling part respectively. The steel belt is pressed through the static sealing cover and the moving sealing cover; the sliding friction borne by the steel belt is eliminated by the rolling friction of the third, fourth, fifth and sixth rolling parts, and the friction force of the steel belt is reduced, so that the abrasion is reduced, the service life of the sealing structure is prolonged, and the sealing effect is improved.
Description
Technical Field
The invention relates to the technical field of mechanical transmission steel belt sealing, in particular to a steel belt power sealing structure.
Background
In some mechanical transmission modules, dust or particles exist in the use occasions of the mechanism, so that the sealing between the inside of the module and the outside needs to be kept, and the outside power mechanism is needed to transmit parts inside the module. For example, 3D printing apparatus, the shaping platform in the shaping cabin need can elevating movement, guarantees the closure between shaping cabin and the external world simultaneously, avoids printing sand and leaks. In the design, a sealing structure needs to be added to the mechanism so as to ensure good sealing effect and stability of mechanism movement. Some 3D printing apparatus are for sealing up the shaping cabin, generally adopt the steel band both ends to be fixed in the both ends of transmission open slot, by the sealed open slot of steel band, power input cantilever extrusion steel band makes the steel band to inside arch to support shaping platform and do elevating movement. With this kind of steel strip seal structure, there are the following problems:
(1) the movement amount of the forming platform is large, long-term friction is generated between the forming platform and the steel belt, the friction force is large, and the steel belt is seriously abraded;
(2) the steel strip is gradually deformed in the long-time use process, the restorability is poor, the sealing performance is gradually reduced, the stability is poor, and even sudden faults can occur;
(3) because the steel band both ends are fixed, be difficult to guarantee during the installation that steel band and open slot laminate completely, the installation degree of difficulty is great, and improper installation can influence sealed effect.
Disclosure of Invention
In order to solve the technical problem, the invention provides a steel belt power sealing structure.
The invention is realized by the following technical scheme.
The invention provides a steel strip power sealing structure which comprises a separation plate, wherein a through open slot is formed in the separation plate, a steel strip, a mounting plate, a static sealing cover and a moving sealing cover are arranged on one side of the separation plate along the open slot, the mounting plate and the static sealing cover are positioned at one end of the open slot and fixed on the separation plate, the opening edges of the static sealing cover and the moving sealing cover are in contact with the steel strip and the separation plate in a fitting mode, a third rolling part, a fourth rolling part, a fifth rolling part and a sixth rolling part are arranged in the moving sealing cover, one end of the steel strip is connected with the mounting plate, the other end of the steel strip is fixed with the separation plate in a fitting mode, one surface, facing the open slot, of the steel strip is in contact with the fourth rolling part and the fifth rolling part respectively, and one surface, facing away from the open slot, of the steel strip is in contact with the third rolling part and the sixth rolling part respectively.
And a spring is arranged on the mounting plate, and one end of the spring is connected with the steel belt. The spring is under tension after installation.
Plates are arranged at two ends of the spring, one plate is pressed on the end portion of the spring, and the other plate is connected with the steel belt.
The steel strip rolling device is characterized by further comprising a first rolling part and a second rolling part, wherein two ends of the first rolling part and two ends of the second rolling part are connected with the static sealing covers, one side, facing the open slot, of the steel strip is in contact with the first rolling part, and the other side, facing away from the open slot, of the steel strip is in contact with the second rolling part.
The steel strip and isolation plate fixing device further comprises a pressing plate, wherein the pressing plate is arranged at one end, fixed with the isolation plate, of the steel strip.
The edge of the opening of the movable sealing cover is also provided with a flexible transition layer, and the flexible transition layer is positioned at the position where the edge of the opening contacts the steel belt.
The third rolling part, the fourth rolling part, the fifth rolling part and the sixth rolling part are composed of roller shafts and rollers, the rollers are sleeved on the roller shafts, and two ends of the roller shafts are connected with the moving sealing covers.
The first rolling part and the second rolling part are composed of roller shafts and rollers, the rollers are sleeved on the roller shafts, and two ends of the roller shafts are connected with the static sealing covers.
The movable sealing cover is characterized in that a transition plate is further arranged in the movable sealing cover, a power arm is arranged in the open slot, and the transition plate is connected with the power arm through any one of a screw connection mode, a threaded connection mode and a joggle connection mode.
And two sides of the opening in the movable sealing cover are also provided with protruding structures which are positioned on two sides of the transition plate.
And the part of the power arm, which is positioned outside the open slot, is provided with a threaded hole.
The invention has the beneficial effects that:
by adopting the invention, the steel belt is pressed on the open slot through the opening edges of the static seal cover and the moving seal cover, thereby ensuring the sealing effect; the sliding friction borne by the steel belt is eliminated by the rolling friction of the third rolling part, the fourth rolling part, the fifth rolling part and the sixth rolling part, and the friction force of the steel belt is reduced, so that the abrasion is reduced, the service life of the sealing structure is prolonged, and the sealing effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-a separator; 2-a steel belt; 3, mounting a plate; 4-a power arm; 5-an open slot; 6-static sealing cover; 7-moving the sealing cover; 8-a first scroll part; 9-a second scroll part; 10-a third scroll part; 11-a fourth scroll; 12-a fifth scroll; 13-sixth scrolling part; 14-a spring; 15-pressing plate; 16-a flexible transition layer; 17-a transition plate; 18-a raised structure; 19-threaded hole.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Fig. 1 shows a schematic structural diagram of the present invention:
the invention provides a dynamic sealing structure of a steel belt 2, which comprises a separation plate 1, wherein a through open slot 5 is formed in the separation plate 1, a steel belt 2, a mounting plate 3, a static sealing cover 6 and a moving sealing cover 7 are arranged on one side of the separation plate 1 along the open slot 5, the mounting plate 3 and the static sealing cover 6 are positioned at one end of the open slot 5 and fixed on the separation plate 1, the opening edges of the static sealing cover 6 and the moving sealing cover 7 are in fit contact with the steel belt 2 and the separation plate 1, a third rolling part 10, a fourth rolling part 11, a fifth rolling part 12 and a sixth rolling part 13 are arranged in the moving sealing cover 7, one end of the steel belt 2 is connected with the mounting plate 3, the other end of the steel belt 2 is in fit fixation with the separation plate 1, one side of the steel belt 2 facing towards the open slot 5 is respectively in contact with the fourth rolling part 11 and the fifth rolling part 12, and one side of the steel belt 2 facing away from the open slot 5 is respectively in contact with the third rolling part 10, The sixth rolling part 13 is in contact.
During operation, the power arm 4 extends into the movable sealing cover 7 from the open slot 5, a moving part (such as a forming platform of 3D printing equipment) of the module is fixed on the movable sealing cover 7, and the movable sealing cover 7 is pressed on the isolation plate 1 by the moving part to complete installation. The power arm 4 drives the moving sealing cover 7 to move along the open slot 5, the end face of the moving sealing cover 7 slides on the steel strip 2, and the parts, outside the moving sealing cover 7 and the static sealing cover 6, of the steel strip 2 are pressed on the isolation plate 1 all the time, so that sealing is realized. When the steel belt 2 is in the dynamic sealing cover and is flexibly deformed to generate displacement, the third rolling part 10, the fourth rolling part 11, the fifth rolling part 12 and the sixth rolling part 13 roll along with the displacement of the steel belt 2, and the sliding friction of the steel belt 2 is reduced or eliminated.
By adopting the invention, the steel strip 2 is pressed on the open slot 5 through the opening edges of the static seal cover 6 and the moving seal cover 7, thus ensuring the sealing effect; the sliding friction borne by the steel strip 2 is eliminated by the rolling friction of the third rolling part 10, the fourth rolling part 11, the fifth rolling part 12 and the sixth rolling part 13, and the friction force of the steel strip 2 is reduced, so that the abrasion is reduced, the service life of the sealing structure is prolonged, and the sealing effect is improved.
And a spring 14 is arranged on the mounting plate 3, and one end of the spring 14 is connected with the steel belt 2. The spring 14 is under tension after installation. The restorability of the steel belt 2 is improved, the steel belt 2 is prevented from being used for a long time, looseness is generated after gradual deformation, the stability is improved, and sudden faults are prevented. In addition, the spring 14 provides a deformation margin during installation, reducing installation difficulty.
Plates are arranged at two ends of the spring 14, one plate is pressed on the end of the spring 14, and the other plate is connected with the steel belt 2. So that the tension of the steel belt 2 is uniformly distributed along the width direction of the steel belt 2, and the concentrated stress is avoided.
Still include first roll portion 8, second roll portion 9, first roll portion 8, second roll portion 9 both ends are connected with static sealed lid 6, steel band 2 towards the one side and the first roll portion 8 contact of open slot 5, the one side and the second roll portion 9 contact of open slot 5 are dorsad to steel band 2. When the steel belt 2 stretches, the friction force of the steel belt 2 is reduced, and the abrasion is reduced.
The steel strip separation device further comprises a pressing plate 15, and the pressing plate 15 is arranged at one end, fixed with the separation plate 1, of the steel strip 2. The pressure and the pulling force on the steel belt 2 can be conveniently and uniformly distributed, and the steel belt 2 can be prevented from wrinkling.
The opening edge of the moving sealing cover 7 is also provided with a flexible transition layer 16, and the flexible transition layer 16 is positioned at the position where the opening edge contacts the steel belt 2. The steel belt 2 is prevented from being in hard contact, abrasion is reduced, and the steel belt 2 is prevented from being scratched. Preferably, the flexible transition layer 16 is a wool felt.
The third rolling part 10, the fourth rolling part 11, the fifth rolling part 12 and the sixth rolling part 13 are composed of roller shafts and rollers, the rollers are sleeved on the roller shafts, and two ends of the roller shafts are connected with the moving sealing covers 7. Simple structure, the installation of being convenient for has reduced the cost of manufacture.
The first rolling part 8 and the second rolling part 9 are composed of roller shafts and rollers, the rollers are sleeved on the roller shafts, and two ends of the roller shafts are connected with the static sealing covers 6.
The movable sealing cover 7 is also internally provided with a transition plate 17, the open slot 5 is internally provided with a power arm 4, and the transition plate 17 is connected with the power arm 4 through any one of a screw connection mode, a threaded connection mode and a joggle connection mode. The power arm 4 is convenient to assemble and disassemble, and the stability and the integrity are higher when the power arm is installed and used.
The two sides of the opening in the movable sealing cover 7 are also provided with convex structures 18, and the convex structures 18 are positioned on the two sides of the transition plate 17. The position of the transition plate 17 is limited, the transmission is convenient, and the power arm 4 or the transition plate 17 is prevented from contacting with a rolling part during the transmission, so that the friction force is increased.
The part of the power arm 4, which is positioned outside the open slot 5, is provided with a threaded hole 19. The power mechanism is convenient to mount.
Claims (7)
1. A steel band power seal structure which characterized in that: including division board (1) be equipped with open slot (5) that run through on division board (1), one side of division board (1) is equipped with steel band (2), mounting panel (3), static sealed lid (6), the sealed lid of motion (7) along open slot (5), mounting panel (3), static sealed lid (6) are located the one end of open slot (5) and are fixed in division board (1), and the opening edge and steel band (2), the laminating contact of division board (1) of static sealed lid (6), the sealed lid of motion (7) are equipped with third roll portion (10), fourth roll portion (11), fifth roll portion (12), sixth roll portion (13) in the sealed lid of motion (7), the one end and the mounting panel (3) of steel band (2) are connected, and the other end is laminated fixedly with division board (1), and steel band (2) towards the one side of open slot (5) respectively with fourth roll portion (11), The fifth rolling part (12) is contacted, and one surface of the steel belt (2) back to the open slot (5) is respectively contacted with the third rolling part (10) and the sixth rolling part (13);
a spring (14) is arranged on the mounting plate (3), and one end of the spring (14) is connected with the steel belt (2);
plates are arranged at two ends of the spring (14), one plate is pressed on the end of the spring (14), and the other plate is connected with the steel belt (2);
still include first roll portion (8), second roll portion (9), first roll portion (8), second roll portion (9) both ends are connected with static sealed lid (6), steel band (2) are towards the one side and the contact of first roll portion (8) of open slot (5), and steel band (2) are the one side and the contact of second roll portion (9) of open slot (5) dorsad.
2. The steel strip power seal structure of claim 1, wherein: the steel strip separator further comprises a pressing plate (15), wherein the pressing plate (15) is arranged at one end, fixed with the separator (1), of the steel strip (2).
3. The steel strip power seal structure of claim 1, wherein: the edge of the opening of the movable sealing cover (7) is also provided with a flexible transition layer (16), and the flexible transition layer (16) is positioned at the position where the edge of the opening contacts the steel strip (2).
4. The steel strip power seal structure of claim 1, wherein: the third rolling part (10), the fourth rolling part (11), the fifth rolling part (12) and the sixth rolling part (13) are composed of roller shafts and rollers, the rollers are sleeved on the roller shafts, and two ends of the roller shafts are connected with the moving sealing covers (7).
5. The steel strip power seal structure of claim 1, wherein: the first rolling part (8) and the second rolling part (9) are composed of roller shafts and rollers, the rollers are sleeved on the roller shafts, and two ends of the roller shafts are connected with the static sealing covers (6).
6. The steel strip power seal structure of claim 1, wherein: a transition plate (17) is further arranged in the moving sealing cover (7), a power arm (4) is arranged in the open slot (5), and the transition plate (17) is connected with the power arm (4) through any one of a screw connection mode, a threaded connection mode and a joggle connection mode.
7. The steel strip power seal structure of claim 6, wherein: protruding structures (18) are further arranged on two sides of the opening in the movable sealing cover (7), and the protruding structures (18) are located on two sides of the transition plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271134.7A CN113028012B (en) | 2021-03-12 | 2021-03-12 | Steel band power seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271134.7A CN113028012B (en) | 2021-03-12 | 2021-03-12 | Steel band power seal structure |
Publications (2)
| Publication Number | Publication Date |
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| CN113028012A CN113028012A (en) | 2021-06-25 |
| CN113028012B true CN113028012B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110271134.7A Active CN113028012B (en) | 2021-03-12 | 2021-03-12 | Steel band power seal structure |
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