CN108788688B - Rapid press-fitting device and method for large-diameter annular high-pressure sealing steel wire - Google Patents
Rapid press-fitting device and method for large-diameter annular high-pressure sealing steel wire Download PDFInfo
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- CN108788688B CN108788688B CN201810598662.1A CN201810598662A CN108788688B CN 108788688 B CN108788688 B CN 108788688B CN 201810598662 A CN201810598662 A CN 201810598662A CN 108788688 B CN108788688 B CN 108788688B
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- steel wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses a rapid press-fitting device for a large-diameter annular high-pressure sealing steel wire, which comprises: the main body is provided with a machine tool connecting taper shank used for connecting a main shaft of a radial drilling machine at the center of the top, a central positioning shaft matched with the center of a part for positioning is arranged at the center of the bottom, a left roller mechanism and a right roller mechanism are arranged on two sides of the center of the main body, rollers are respectively arranged on the left roller mechanism and the right roller mechanism, the two rollers are respectively matched with the positions of an inner annular groove and an outer annular groove of the part, the bottom of each roller is provided with a groove, and a steel wire is; when the body rotates, the roller drives the steel wire to press and mount the steel wire into the inner ring groove and the outer ring groove respectively. The invention accurately controls the height dimension consistency of the pressed sealing steel wires, simultaneously finishes the accurate rolling of the sealing steel wires of the two annular grooves, has high production efficiency, and is convenient, simple and quick to operate.
Description
Technical Field
The invention belongs to the technical field of mechanical tools, and relates to a device and a method for quickly press-fitting a large-diameter annular high-pressure sealing steel wire.
Background
The cylinder head is one of the key parts of the engine. The surface of the cylinder cover is provided with two annular sealing structures, and the cylinder cover and the cylinder block are connected together through 24 double-end studs. The tight pressing of the sealed cylinder cover and the cylinder block forms a closed combustion chamber in the inner cavity of the cylinder sleeve, and the surface between the cylinder cover and the cylinder block has good sealing performance due to the violent heating and corrosion of high-temperature fuel gas in the combustion chamber, so that the press fitting of a sealing steel wire on the surface of the cylinder cover is of great importance. The design schematic diagram of the annular high-pressure sealing groove is shown in fig. 1, wherein 01 is an inner annular groove, 02 is an outer annular groove, the diameters of the two annular sealing grooves are phi 160 +/-0.5 mm and phi 168 +/-0.5 mm respectively, and the radius of the sealing groove is R0.45mm. After press mounting, the sealing steel wires are shown in figure 2, 03 and 04 are phi 1 steel wires, and the height of the sealing steel wires is required to be 0.2 +/-0.05 mm after press mounting. The original technical scheme is that the press mounting of the sealing steel wire is completed by adopting a manual and bakelite hammer through gradually knocking the steel wire with the phi of 1 mm.
The main technical defects of the technical scheme are as follows: firstly, the operation is difficult, the human factors are large, the production efficiency is low, the product quality is not easy to guarantee, and the replacement rate is high after the sealing steel wire is pressed and installed; secondly, after the sealing steel wire is pressed and assembled by manual hammering, the height dimension of the sealing steel wire is easily inconsistent with 0.2 +/-0.05 mm, and the high-pressure sealing performance of the cylinder cover and the working reliability of an engine are influenced.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the device and the method for quickly press-mounting the large-diameter annular high-pressure sealing steel wire are provided, so that the press-mounting of the two annular sealing steel wires can be simultaneously completed, the working efficiency is improved, the consistency of the press-mounting heights of the steel wires is ensured, and the high-pressure sealing performance of the cylinder cover and the working reliability of an engine are further improved.
(II) technical scheme
In order to solve the above technical problems, the present invention provides a rapid press-fitting device for a large-diameter annular high-pressure sealing steel wire, comprising: the main body 3 is provided with a machine tool connecting taper shank 1 used for connecting a main shaft of a radial drilling machine at the center of the top of the main body 3, a central positioning shaft matched with the center of a part for positioning is arranged at the center of the bottom, a left roller mechanism and a right roller mechanism are arranged on two sides of the center of the main body 3, rollers are respectively arranged on the left roller mechanism and the right roller mechanism, the two rollers are respectively matched with the positions of an inner annular groove and an outer annular groove of the part, the bottom of each roller is provided with a groove, and; when the body 3 rotates, the roller drives the steel wire, and the steel wire is respectively pressed into the inner ring groove and the outer ring groove.
The distance between the left roller mechanism and the right roller mechanism is different from the center of the body, and the distance difference between the left roller mechanism and the right roller mechanism is consistent with the distance between the inner ring groove and the outer ring groove.
Wherein, left roller mechanism and right roller mechanism structure are the same, and take one of them as an example, this roller mechanism includes: the adjusting device comprises an adjusting screw rod 2, a roller support 4, a roller shaft 5, a locking nut 6 and a roller 7, wherein a through hole is formed in a body 3, the roller support 4 is placed in the through hole, a threaded hole is formed in the upper portion of the roller support 4, the adjusting screw rod 2 is placed in the threaded hole, the adjusting screw rod 2 is arranged on a clamping table, and the top end of the adjusting screw rod 2 is clamped and blocked above the through hole of the body 3 through the clamping table; the lower part of the roller bracket 4 is provided with a roller groove, a roller shaft 5 passes through the roller groove and is fixed by a locking nut, and a roller 7 is arranged in the roller groove and is sleeved on the roller shaft 5.
The bottom of the roller 7 is designed to be conical, the end part of the conical end can be embedded into the inner ring groove and the outer ring groove, the conical end is provided with a groove, and a steel wire is arranged in the groove.
Wherein, still be provided with supporting mechanism on the body 3, it includes: a support bearing 8 and a shaft 9, the support bearing 8 being mounted on the bottom surface of the body 3 via the shaft 9.
Wherein, still include: the handle 10 rotates the handle 10 to drive the body 3 to rotate, so that steel wire press fitting is realized.
The invention also provides a steel wire rapid press-fitting method, which comprises the following steps:
s1, mounting the part, namely the cylinder cover, on a machine tool workbench and pressing the part by a pressing plate;
s2, determining the length size of the required steel wire by calculating the circumferential length of the inner ring groove and the outer ring groove;
s3, filing the cut steel wire section by a file;
s4, installing a central positioning shaft of the press-fitting device into a central hole of an annular structure of the cylinder cover, and connecting the machine tool connecting taper shank 1 with a main shaft of a radial drilling machine;
s5, correspondingly placing the rollers on the annular groove of the cylinder cover according to the adjusted heights of the rollers, and simultaneously inserting two steel wires into the grooves of the two rollers;
and S6, moving the main shaft of the radial drilling machine downwards and pressing the steel wire, rotating the device clockwise, and gradually rolling the steel wire into the annular groove.
(III) advantageous effects
According to the rapid press-fitting device and method for the large-diameter annular high-pressure sealing steel wire, provided by the technical scheme, the height and size consistency of the pressed sealing steel wire is accurately controlled, the sealing steel wires of the two annular grooves are accurately rolled, the production efficiency is high, and the whole device is convenient, simple and rapid to operate.
Drawings
Fig. 1 is a schematic diagram of a design of an annular high-pressure seal groove in the prior art. Wherein, the II diagram is the A-A view of the I diagram.
Fig. 2 is a schematic diagram of a sealing steel wire after press-fitting in the prior art. Wherein, the II diagram is the A-A view of the I diagram.
Fig. 3 is a schematic structural diagram of a press-fitting device according to an embodiment of the present invention.
Fig. 4 is a top view of fig. 3.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The scheme design of the invention firstly considers that an external force is required during press mounting, the sealing steel wires of the two ring grooves adopt a roller type structure, and the quick press mounting of the sealing steel wires is realized through a rotating device; secondly, the tool is required to be simple in structure and convenient and fast to operate.
Specifically, referring to fig. 2 and 3, the quick press-fitting device of the present embodiment includes: the main body 3 is provided with a machine tool connecting taper shank 1 used for connecting a main shaft of a radial drilling machine at the center of the top of the main body 3, a central positioning shaft matched with the center of a part for positioning is arranged at the center of the bottom, a left roller mechanism and a right roller mechanism are arranged on two sides of the center of the main body 3, rollers are respectively arranged on the left roller mechanism and the right roller mechanism, the two rollers are respectively matched with the positions of an inner annular groove and an outer annular groove of the part, the bottom of each roller is provided with a groove, and; when the body 3 rotates, the roller drives the steel wire, and the steel wire is respectively pressed into the inner ring groove and the outer ring groove.
Because the distance between the inner ring groove and the outer ring groove and the center of the part are different, the distance between the left roller mechanism and the right roller mechanism and the center of the body are correspondingly different. However, the left roller mechanism and the right roller mechanism have the same structure, and for example, the roller mechanism includes: the adjusting device comprises an adjusting screw rod 2, a roller support 4, a roller shaft 5, a locking nut 6 and a roller 7, wherein a through hole is formed in a body 3, the roller support 4 is placed in the through hole, a threaded hole is formed in the upper portion of the roller support 4, the adjusting screw rod 2 is placed in the threaded hole, the adjusting screw rod 2 is arranged on a clamping table, and the top end of the adjusting screw rod 2 is clamped and blocked above the through hole of the body 3 through the clamping table; the lower part of the roller bracket 4 is provided with a roller groove, a roller shaft 5 passes through the roller groove and is fixed by a locking nut, and a roller 7 is arranged in the roller groove and is sleeved on the roller shaft 5.
The bottom of the roller 7 is arranged to be conical, the end part of the conical end can be embedded into the inner ring groove and the outer ring groove, the conical end is provided with a groove, and a steel wire is arranged in the groove.
In this embodiment, two gyro wheel mechanisms are different with body center distance, can accomplish the quick pressure equipment of two ring channel steel wires respectively.
In the structure, the roller bracket 4 and the through hole of the body 3 do not have any connection relation, and the roller bracket 4 is fixed and the height of the roller bracket 4 is adjusted by adjusting the threaded connection between the screw rod 2 and the roller bracket 4. Namely: the adjustment of the depth of the adjusting screw rod 2 in the body 3 can reach the height size of the control roller 7 for pressing the steel wire.
Further, still be provided with supporting mechanism on the body 3, it includes: the supporting bearing 8 is arranged on the bottom surface of the body 3 through the shaft 9, the supporting bearing 8 is mainly used for guaranteeing the supporting and positioning height of the whole device on the surface of a part, and the whole device is guaranteed to rotate flexibly in the process of steel wire press-mounting.
The press-fitting device is further provided with a handle 10, and the handle 10 is rotated to drive the body 3 to rotate, so that the steel wire is pressed and fitted.
The steel wire press-fitting method based on the press-fitting device comprises the following specific press-fitting operation steps:
1. the part, i.e. the cylinder head, is mounted on the machine tool table and pressed with the press plate.
2. The length of the steel wire is determined by calculating the circumferential lengths of the rings phi 160mm and phi 168 mm.
3. And (3) filing the steel wire section with the diameter of 1mm by using a file.
4. And (3) installing a central positioning shaft of the press-fitting device into a central hole of an annular structure of the cylinder cover, and connecting the machine tool connecting taper shank 1 with a main shaft of the radial drilling machine.
5. And correspondingly placing the roller 7 of the adjusted device on an annular groove of the cylinder cover, and simultaneously inserting two phi 1mm steel wires into the grooves of the two rollers 7.
6. The radial drill spindle is moved down and compresses the steel wire, the handle 10 of the device is rotated clockwise, and the steel wire is gradually rolled into the annular groove.
7. And rolling the sealing steel wires on the rest cylinders in sequence according to the method.
8. And (4) final inspection: the distance between the joints of the two sealing steel wire rings is 180 degrees, the gap between the joints is less than or equal to 0.8mm, and the height dimension of the sealing steel wire is 0.2 +/-0.05 mm.
According to the technical scheme, the invention has the following remarkable characteristics:
1. the height and size consistency of the pressed sealing steel wires is accurately controlled.
2. And meanwhile, the precise rolling of the sealing steel wires of the two annular grooves is completed, and the production efficiency is high.
3. The device is convenient, simple and quick to operate.
The design of the device can meet the simultaneous press mounting of the two annular sealing steel wires, can accurately control the height and size consistency of the rolled sealing steel wires, is convenient, simple and quick to operate, and obtains very good social and economic benefits.
1. The quick assembly of the cylinder cover sealing steel wire is realized, the rolling quality of the sealing steel wire is ensured, the sealing performance and the working reliability of an engine are improved, and the potential quality hazard is eliminated.
2. The assembly is simple and quick, and the assembly efficiency is improved by more than 60 percent on the original basis. The rejection rate of the steel wires is reduced by 50 percent on the original basis, and is almost zero.
3. The device is used for assembling 24000 sealing steel wires of the cylinder cover in total, thereby reducing the waste loss cost and saving the labor cost by about 37.8 ten thousand yuan (24000 multiplied by 1.5 (steel wire price) multiplied by 50%) + (24000 multiplied by 25 (labor hour cost) multiplied by 60%).
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a quick pressure equipment device of major diameter annular high pressure seal steel wire which characterized in that includes: the main body (3), a machine tool connecting taper shank (1) for connecting a main shaft of a radial drilling machine is arranged at the center of the top of the main body (3), a central positioning shaft matched with the center of a part for positioning is arranged at the center of the bottom, a left roller mechanism and a right roller mechanism are arranged on two sides of the center of the main body (3), rollers are respectively arranged on the left roller mechanism and the right roller mechanism, the two rollers are respectively matched with the positions of an inner annular groove and an outer annular groove of the part, the bottom of each roller is grooved, and a steel wire is embedded; when the body (3) rotates, the roller drives the steel wire, and the steel wire is respectively pressed into the inner ring groove and the outer ring groove;
the left roller mechanism and the right roller mechanism are identical in structure, and taking one of the left roller mechanism and the right roller mechanism as an example, the roller mechanism comprises: the adjusting mechanism comprises an adjusting screw rod (2), a roller support (4), a roller shaft (5), a locking nut (6) and a roller (7), wherein a through hole is formed in a body (3), the roller support (4) is placed in the through hole, a threaded hole is formed in the upper portion of the roller support (4), the adjusting screw rod (2) is placed in the threaded hole, the adjusting screw rod (2) is arranged on a clamping table, and the top end of the adjusting screw rod (2) is clamped and blocked above the through hole of the body (3) through the clamping table; the lower part of the roller bracket (4) is provided with a roller groove, a roller shaft (5) passes through the roller groove and is fixed by a locking nut, and a roller (7) is arranged in the roller groove and is sleeved on the roller shaft (5).
2. A rapid press-fitting device for a large-diameter annular high-pressure sealing steel wire as claimed in claim 1, wherein the left and right roller means are spaced at different distances from the center of the body, and the difference between the distances is the same as the distance between the inner and outer annular grooves.
3. The rapid press-fitting device for the large-diameter annular high-pressure sealing steel wire as claimed in claim 1, wherein the bottom of the roller (7) is tapered, the end of the tapered end can be embedded into the inner ring groove and the outer ring groove, the tapered end is provided with a groove, and the steel wire is arranged in the groove.
4. A rapid press-fitting device for a large-diameter annular high-pressure sealing steel wire as claimed in claim 1, wherein the body (3) is further provided with a supporting mechanism comprising: a support bearing (8) and a shaft (9), wherein the support bearing (8) is arranged on the bottom surface of the body (3) through the shaft (9).
5. A rapid press-fitting apparatus for a large-diameter annular high-pressure sealing wire as claimed in claim 1, further comprising: the handle (10) drives the body (3) to rotate by rotating the handle (10), so that the steel wire is pressed and mounted.
6. A steel wire rapid press-fitting method based on the press-fitting device according to any one of claims 1 to 5, characterized by comprising the steps of:
s1, mounting the part, namely the cylinder cover, on a machine tool workbench and pressing the part by a pressing plate;
s2, determining the length size of the required steel wire by calculating the circumferential length of the inner ring groove and the outer ring groove;
s3, filing the cut steel wire section by a file;
s4, installing a central positioning shaft of the press-fitting device into a central hole of an annular structure of the cylinder cover, and connecting the machine tool connecting taper shank 1 with a main shaft of a radial drilling machine;
s5, correspondingly placing the rollers on the annular groove of the cylinder cover according to the adjusted heights of the rollers, and simultaneously inserting two steel wires into the grooves of the two rollers;
and S6, moving the main shaft of the radial drilling machine downwards and pressing the steel wire, rotating the device clockwise, and gradually rolling the steel wire into the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598662.1A CN108788688B (en) | 2018-06-12 | 2018-06-12 | Rapid press-fitting device and method for large-diameter annular high-pressure sealing steel wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598662.1A CN108788688B (en) | 2018-06-12 | 2018-06-12 | Rapid press-fitting device and method for large-diameter annular high-pressure sealing steel wire |
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| Publication Number | Publication Date |
|---|---|
| CN108788688A CN108788688A (en) | 2018-11-13 |
| CN108788688B true CN108788688B (en) | 2020-05-05 |
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| CN201810598662.1A Active CN108788688B (en) | 2018-06-12 | 2018-06-12 | Rapid press-fitting device and method for large-diameter annular high-pressure sealing steel wire |
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|---|---|---|---|---|
| JPH02274443A (en) * | 1989-03-09 | 1990-11-08 | Ferco Internatl Usine Ferrures Batiment | Device for automatically mounting seal |
| US5045146A (en) * | 1989-06-08 | 1991-09-03 | Tremco, Inc. | Tape applicator with corner forming device |
| CN104416347A (en) * | 2013-09-02 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Sealing ring squeezing device |
| CN204295235U (en) * | 2014-11-11 | 2015-04-29 | 苏州新豪轴承有限公司 | A kind of spinning apparatus of entity outer ring fitting tight circle |
| CN105922186A (en) * | 2016-05-30 | 2016-09-07 | 中国铁建大桥工程局集团有限公司 | Installation device and installation method for sealing rubber strip |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341007A (en) * | 1977-05-18 | 1982-07-27 | General Electric Company | Method of roller inserting filler material in crevices |
| US6915549B2 (en) * | 2002-07-20 | 2005-07-12 | Bellsouth Intellectual Property Corporation | Tool for installing communication cable in a cleft |
| CN201353751Y (en) * | 2008-12-19 | 2009-12-02 | 博西威家用电器有限公司 | Mounting tool of gland strip |
| CN203426955U (en) * | 2013-08-20 | 2014-02-12 | 中芯国际集成电路制造(北京)有限公司 | Sealing ring mounting tool of furnace tube reaction cavity automatic blocking door |
| CN204076171U (en) * | 2014-08-29 | 2015-01-07 | 南车二七车辆有限公司 | A kind of sealing strip press-loading apparatus of SQ6 type automobile special vehicle vehicle window composition |
| CN105690320A (en) * | 2014-11-24 | 2016-06-22 | 浙江新大塑料管件有限公司 | Profiling adsorption press-fitting device of ball valve sealing ring |
-
2018
- 2018-06-12 CN CN201810598662.1A patent/CN108788688B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02274443A (en) * | 1989-03-09 | 1990-11-08 | Ferco Internatl Usine Ferrures Batiment | Device for automatically mounting seal |
| US5045146A (en) * | 1989-06-08 | 1991-09-03 | Tremco, Inc. | Tape applicator with corner forming device |
| CN104416347A (en) * | 2013-09-02 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Sealing ring squeezing device |
| CN204295235U (en) * | 2014-11-11 | 2015-04-29 | 苏州新豪轴承有限公司 | A kind of spinning apparatus of entity outer ring fitting tight circle |
| CN105922186A (en) * | 2016-05-30 | 2016-09-07 | 中国铁建大桥工程局集团有限公司 | Installation device and installation method for sealing rubber strip |
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