CN105458665A - Pressing fit machine - Google Patents
Pressing fit machine Download PDFInfo
- Publication number
- CN105458665A CN105458665A CN201510840263.8A CN201510840263A CN105458665A CN 105458665 A CN105458665 A CN 105458665A CN 201510840263 A CN201510840263 A CN 201510840263A CN 105458665 A CN105458665 A CN 105458665A
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- China
- Prior art keywords
- backstay
- press
- box
- bearing
- pressing
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Classifications
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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
- B23P19/027—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 using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention relates to the field of manufacturing of machine parts, in particular to a pressing fit machine for machining a tubular material. According to the pressing fit machine, a bearing can be automatically pressed into a bearing hole of a gear case, the automatic degree is high, and the labor intensity of a worker is low; as components such as an upper pressing disc, a lower pressing disc and a cylindrical spring are arranged, a bearing pressing fit disc can be in flexible contact with a bearing, and the bearing is prevented from being damaged; meanwhile, the upper pressing disc, the lower pressing disc and the cylindrical spring are matched with a hinge block and a hinge pin shaft, the bearing pressing fit disc can be located in the horizontal state all the time, the bearing can be prevented from being pressed to deviate during pressing fit, and the concentricity of the bearing and the bearing hole is effectively guaranteed; the pressing fit machine is simple in structure and easy to implement, and has the good applicability; and in addition, as a rotary disc of an existing pressing fit machine is replaced with an air cylinder, the time is greatly saved, and the pressing accuracy is improved.
Description
Technical field
The present invention relates to machine parts and manufacture field, specifically a kind of pressing machine being used for that tubular material is processed.
Background technology
In water heater manufacture process, need a lot of tubular fitting, especially a lot of PTC pipe and bearing, need to suppress these PTC pipe, bearing, this just needs to use pressing machine, pressing machine of the prior art adopts the position by rotating disk adjustment hold-down devices mostly, and then PTC pipe, bearing are suppressed, but rotating disk adjusts inconvenient and each product of changing need reorientate, and operating process is cumbersome, waste a large amount of time, and accuracy is inadequate.
Summary of the invention
In order to solve the problems of the technologies described above, for market provides a kind of working stability, technically reliable, the pressing machine that security is high, change rotating disk adjustment into cylinder adjustment, improve Adjustment precision, the present invention discloses a kind of pressing machine, comprise casing and press-mounting platform, press-mounting platform middle is provided with and press-fits track, one that press-fits track is provided with charging aperture, press-mounting platform middle is provided with air cylinder group and is used for carrying out press-fiting operation, air cylinder group is arranged on and press-fits above track, wherein press-fiting track is rectangular configuration, its end face is installed with a door type beam, the crossbeam of door type beam is vertically provided with air cylinder group, the bottom of the piston rod of the cylinder of air cylinder group is installed with a upper platen, upper platen cross section is the bulge-structure upwards closed, the pressing disc that a structure is identical is provided with immediately below upper platen, upper platen is relative with pressing disc opening, pressing disc is solidly set on the upper end of vertical depression bar, pressing disc is connected with upper platen by least 3 group screw bolt and nut, can relative motion in vertical plane between upper pressing disc and pressing disc, cylindrical spring is sleeved on the bottom of cylinder piston rod, the upper end of cylindrical spring and the centre of upper platen are close to, and the lower end of cylindrical spring is inserted in the central blind hole of vertical depression bar upper end, the bottom of vertical depression bar is N shape portion, hinged block top is stretched in N shape portion, and level is fixed with a hinging pin shaft in hinged block, the two ends of hinging pin shaft are rotatably assorted with the installing hole on N shape portion dual-side respectively, hinged block is fixed on the center of bearing press mounting dish end face simultaneously, bearing press mounting dish is disc-shaped structure, press-fiting in rail top face immediately below bearing press mounting dish is vertically provided with a dead eye backstay, the axial line of dead eye backstay and vertical depression bar axial line are on same straight line, the surrounding of dead eye backstay is provided with three rooted tooth roller box backstays, three rooted tooth roller box backstays are vertically fixed on and press-fit on the end face of track, and be positioned at circumferentially same, and be respectively the first gear-box backstay, second gear-box backstay and the 3rd gear-box backstay, first gear-box backstay is positioned on the left of dead eye backstay, second gear-box backstay is positioned on rear side of dead eye backstay, 3rd gear-box backstay is positioned on the right side of dead eye backstay, shape α in an angle between adjacent two rooted tooth roller box backstays and dead eye backstay, this angle α is 90 °, the end face of the first gear-box backstay is higher than dead eye backstay end face, second gear-box backstay, the either flush of the 3rd gear-box backstay and dead eye backstay, and the equal diameters of three rooted tooth roller box backstays, and be less than the diameter of dead eye backstay.
In the technical program, when press-fiting, first being placed on by gear-box press-fits on track, the dead eye of gear-box is enclosed within outside dead eye backstay, three locating holes of gear-box respectively with three corresponding rooted tooth roller box backstay tight fits, then aperture place on dead eye bearing level being placed on gear-box, next starts cylinder, the piston rod of this cylinder drives upper and lower platen and vertically depression bar, bearing press mounting dish move down, in the process that these parts move down, first the bottom surface of bearing press mounting dish can touch bearing upper surface; Secondly, the piston rod of cylinder continues to extend, thus compression cylindrical spring, and pass through the spring force downward last item pressure-bearing sabot of cylindrical spring, thus by bearing press mounting dish, bearing is pressed in the dead eye of gear-box; Because the upper end of cylindrical spring and the centre of upper platen are close to, and the lower end of cylindrical spring is inserted in the central blind hole of vertical depression bar upper end, so just can effectively carry out spacing to cylindrical spring, prevent cylindrical spring from bending, thus ensure that bearing press mounting dish moves up and down in vertical plane, ensure to press-fit effect; And, cylindrical spring can make bearing press mounting dish contact with bearing flexible, thus avoid weighing bearing wounded, simultaneously, the bottom of vertical depression bar is N shape portion, hinged block top is stretched in this N shape portion, and in hinged block, level is fixed with a hinging pin shaft, and the two ends of this hinging pin shaft are rotatably assorted with the installing hole on N shape portion dual-side respectively.Employing said structure designs, even if cylindrical spring bends, also make bearing press mounting dish keep level by hinging pin shaft, thus last item holds straight down, and then when ensureing to press-fit, bearing is not pressed partially.In addition, the structural strength of door type beam is high, can load effectively, thus ensures the intensity of pressing machine.
Further improvement of the present invention, the number of screw bolt and nut is 4 groups, and four is uniform to the circumference along cylinder piston rod, and after often root bolt passes the bolt through-hole at upper platen and pressing disc edge, is set with a nut.
Further improvement of the present invention, hinged block and bearing press mounting dish are welded and fixed, and the bottom surface of this bearing press mounting dish is coated with one deck cushion pad, and this cushion pad is rubber blanket, and its thickness is 2-5mm.
Further improvement of the present invention, the thickness of cushion pad is 4mm.
Further improvement of the present invention, a lateral edges of press-mounting platform and parallel track is provided with baffle plate.
Further improvement of the present invention, each cylinder of air cylinder group is provided with gauge tap.
Further improvement of the present invention, the bottom surrounding of casing is provided with supporting leg, supporting leg is provided with universal wheel and is convenient to mobile, universal wheel is provided with brake gear.
Beneficial effect of the present invention: the present invention can automatically by bearing press mounting in the dead eye of gear-box, automaticity is high, the labour intensity of workman is low, owing to being provided with the parts such as upper and lower platen and cylindrical spring, bearing press mounting dish so just can be made to contact with bearing flexible, thus prevent from damaging bearing; Simultaneously, upper and lower platen and cylindrical spring match with hinged block, hinging pin shaft, and bearing press mounting dish can be made to be in level all the time, when so just can prevent from press-fiting by bearing pressure partially, and then effectively ensure the concentricity of bearing and dead eye, and structure of the present invention is simple, easy to implement, there is good applicability, and, owing to employing the rotating disk that cylinder replaces in existing pressing machine, greatly save the time, improve the accuracy of compacting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is side sectional view of the present invention.
Fig. 3 is the layout schematic diagram of three rooted tooth roller box backstays of the present invention
In figure, 1-casing, 2-press-mounting platform, 3-press-fits track, 4-gauge tap, 5-charging aperture, 6-cylinder, 7-baffle plate, 8-supporting leg, 9-universal wheel, 10-door type beam, the upper platen of 11-, 12-pressing disc, 13-bolt, 14-cylindrical spring, 15-central blind hole, 16-nut, the vertical depression bar of 17-, 18-N shape portion, 19-hinged block, 20-hinging pin shaft, 21-bearing press mounting dish, 22-cushion pad, 23-first gear-box backstay, 24-dead eye backstay, 25-the 3rd gear-box backstay, 26-second gear-box backstay.
Detailed description of the invention
In order to deepen the understanding of the present invention, be described in further detail the present invention below in conjunction with drawings and Examples, this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
Embodiment: as Fig. 1, shown in Fig. 2 and Fig. 3, a kind of pressing machine, comprise casing 1 and press-mounting platform 2, press-mounting platform 2 middle is provided with and press-fits track 3, one that press-fits track 3 is provided with charging aperture 5, press-mounting platform 2 middle is provided with 6 groups, cylinder and is used for carrying out press-fiting operation, 6 groups, cylinder is arranged on and press-fits above track 3, wherein press-fit track 3 for rectangular configuration, its end face is installed with a door type beam 10, the crossbeam of door type beam 10 is vertically provided with 6 groups, cylinder, the bottom of the piston rod of the cylinder 6 that cylinder is 6 groups is installed with a upper platen 11, upper platen 11 cross section is the bulge-structure upwards closed, the pressing disc 12 that a structure is identical is provided with immediately below upper platen 11, upper platen 11 is relative with pressing disc 12 opening, pressing disc 12 is solidly set on the upper end of vertical depression bar 17, pressing disc 12 is connected with upper platen 11 with nut 16 by least 3 group bolts 13, can relative motion in vertical plane between upper pressing disc 12 and pressing disc 12, cylindrical spring 14 is sleeved on the bottom of cylinder 6 piston rod, the upper end of cylindrical spring 14 and the centre of upper platen 11 are close to, and the lower end of cylindrical spring 14 is inserted in the central blind hole 15 of vertical depression bar 17 upper end, the bottom of vertical depression bar 17 is N shape portion 18, hinged block 19 top is stretched in N shape portion 18, and level is fixed with a hinging pin shaft 20 in hinged block 19, the two ends of hinging pin shaft 20 are rotatably assorted with the installing hole on N shape portion 18 dual-side respectively, hinged block 19 is fixed on the center of bearing press mounting dish 21 end face simultaneously, bearing press mounting dish 21 is disc-shaped structure, press-fiting on track 3 end face immediately below bearing press mounting dish 21 is vertically provided with a dead eye backstay 24, the axial line of dead eye backstay 24 and vertical depression bar 17 axial line are on same straight line, the surrounding of dead eye backstay 24 is provided with three rooted tooth roller box backstays, three rooted tooth roller box backstays be vertically fixed on press-fit track 3 end face on, and be positioned at circumferentially same, and be respectively the first gear-box backstay 23, second gear-box backstay 26 and the 3rd gear-box backstay 25, first gear-box backstay 23 is positioned on the left of dead eye backstay 24, second gear-box backstay 26 is positioned on rear side of dead eye backstay 24, 3rd gear-box backstay 25 is positioned on the right side of dead eye backstay 24, shape α in an angle between adjacent two rooted tooth roller box backstays and dead eye backstay 24, this angle α is 90 °, the end face of the first gear-box backstay 23 is higher than dead eye backstay 24 end face, second gear-box backstay 26, the either flush of the 3rd gear-box backstay 25 and dead eye backstay 24, and the equal diameters of three rooted tooth roller box backstays, and be less than the diameter of dead eye backstay 24.
In the present embodiment, the number of bolt 13 and nut 16 is 4 groups, and four is uniform to the circumference along cylinder 6 piston rod, and after often root bolt 13 passes bolt 13 via hole at upper platen 11 and pressing disc 12 edge, is set with a nut 16.
In the present embodiment, hinged block 19 and bearing press mounting dish 21 are welded and fixed, and the bottom surface of this bearing press mounting dish 21 is coated with one deck cushion pad 22, and this cushion pad 22 is rubber blanket, and its thickness is 2-5mm, and preferably, the thickness of cushion pad 22 is 4mm.
In the present embodiment, press-mounting platform 2 is provided with baffle plate 7 with a lateral edges of parallel track, and each cylinder 6 of 6 groups, cylinder is provided with gauge tap 4, and the bottom surrounding of casing 1 is provided with supporting leg 8, supporting leg 8 being provided with universal wheel 9 is convenient to mobile, and universal wheel 9 is provided with brake gear.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. a pressing machine, comprise casing and press-mounting platform, described press-mounting platform middle is provided with and press-fits track, described of press-fiting track is provided with charging aperture, described press-mounting platform middle is provided with air cylinder group and is used for carrying out press-fiting operation, press-fit described in described air cylinder group is arranged on above track, it is characterized in that: wherein press-fiting track is rectangular configuration, its end face is installed with a door type beam, the crossbeam of described door type beam is vertically provided with air cylinder group, the bottom of the piston rod of the cylinder of described air cylinder group is installed with a upper platen, described upper platen cross section is the bulge-structure upwards closed, the identical pressing disc of a structure is provided with immediately below described upper platen, described upper platen is relative with described pressing disc opening, described pressing disc is solidly set on the upper end of vertical depression bar, described pressing disc is connected with described upper platen by least 3 group screw bolt and nut, can relative motion in vertical plane between described upper pressing disc and described pressing disc, described cylindrical spring is sleeved on the bottom of cylinder piston rod, the upper end of described cylindrical spring and the centre of described upper platen are close to, and the lower end of described cylindrical spring is inserted in the central blind hole of described vertical depression bar upper end, the bottom of described vertical depression bar is N shape portion, hinged block top is stretched in described N shape portion, and level is fixed with a hinging pin shaft in described hinged block, the two ends of described hinging pin shaft are rotatably assorted with the installing hole on described N shape portion dual-side respectively, described hinged block is fixed on the center of bearing press mounting dish end face simultaneously, described bearing press mounting dish is disc-shaped structure, press-fiting in rail top face immediately below described bearing press mounting dish is vertically provided with a dead eye backstay, the axial line of described dead eye backstay and described vertical depression bar axial line are on same straight line, the surrounding of described dead eye backstay is provided with three rooted tooth roller box backstays, press-fit on the end face of track described in described three rooted tooth roller box backstays are vertically fixed on, and be positioned at circumferentially same, and be respectively the first gear-box backstay, second gear-box backstay and the 3rd gear-box backstay, described first gear-box backstay is positioned on the left of described dead eye backstay, described second gear-box backstay is positioned on rear side of described dead eye backstay, described 3rd gear-box backstay is positioned on the right side of described dead eye backstay, shape α in an angle between adjacent two rooted tooth roller box backstays and dead eye backstay, this angle α is 90 °, the end face of described first gear-box backstay is higher than dead eye backstay end face, described second gear-box backstay, the either flush of the 3rd gear-box backstay and described dead eye backstay, and the equal diameters of three rooted tooth roller box backstays, and be less than the diameter of described dead eye backstay.
2. pressing machine according to claim 1, it is characterized in that: the number of described screw bolt and nut is 4 groups, described four is uniform to the circumference along described cylinder piston rod, and after often root bolt passes the bolt through-hole at described upper platen and described pressing disc edge, be set with a described nut.
3. pressing machine according to claim 2, is characterized in that: described hinged block and described bearing press mounting dish are welded and fixed, and the bottom surface of this bearing press mounting dish is coated with one deck cushion pad, and this cushion pad described is rubber blanket, and its thickness is 2-5mm.
4. pressing machine according to claim 3, is characterized in that: the thickness of described cushion pad is 4mm.
5. the pressing machine according to any one of claim 1-4, is characterized in that: a lateral edges of described press-mounting platform and described parallel track is provided with baffle plate.
6. pressing machine according to claim 5, is characterized in that: each cylinder of described air cylinder group is provided with gauge tap.
7. pressing machine according to claim 6, is characterized in that: the bottom surrounding of described casing is provided with supporting leg, described supporting leg is provided with universal wheel and is convenient to mobile, described universal wheel is provided with brake gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840263.8A CN105458665A (en) | 2015-11-27 | 2015-11-27 | Pressing fit machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840263.8A CN105458665A (en) | 2015-11-27 | 2015-11-27 | Pressing fit machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105458665A true CN105458665A (en) | 2016-04-06 |
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ID=55597056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510840263.8A Pending CN105458665A (en) | 2015-11-27 | 2015-11-27 | Pressing fit machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458665A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2194605C2 (en) * | 2000-08-02 | 2002-12-20 | Общество с ограниченной ответственностью Научно-производственное предприятие "ЭНИМС-Интергидропривод" | Apparatus for pressing bearings onto wheel pairs |
| CN201609825U (en) * | 2009-12-15 | 2010-10-20 | 东风德纳车桥有限公司 | Movable bearing press-mounting machine |
| CN203343717U (en) * | 2013-07-02 | 2013-12-18 | 云南农垦科赛特机械制造有限公司 | Multifunctional four-column hydraulic press-fitting machine |
| CN103639686A (en) * | 2013-11-20 | 2014-03-19 | 杭州沃镭科技有限公司 | Feeding and press-assembling device and method for snap springs of brake main valves |
| CN104786044A (en) * | 2015-04-02 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Flywheel bearing pressing device |
| CN104786042A (en) * | 2015-04-02 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Pressing machine for bearing of gearbox |
-
2015
- 2015-11-27 CN CN201510840263.8A patent/CN105458665A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2194605C2 (en) * | 2000-08-02 | 2002-12-20 | Общество с ограниченной ответственностью Научно-производственное предприятие "ЭНИМС-Интергидропривод" | Apparatus for pressing bearings onto wheel pairs |
| CN201609825U (en) * | 2009-12-15 | 2010-10-20 | 东风德纳车桥有限公司 | Movable bearing press-mounting machine |
| CN203343717U (en) * | 2013-07-02 | 2013-12-18 | 云南农垦科赛特机械制造有限公司 | Multifunctional four-column hydraulic press-fitting machine |
| CN103639686A (en) * | 2013-11-20 | 2014-03-19 | 杭州沃镭科技有限公司 | Feeding and press-assembling device and method for snap springs of brake main valves |
| CN104786044A (en) * | 2015-04-02 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Flywheel bearing pressing device |
| CN104786042A (en) * | 2015-04-02 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Pressing machine for bearing of gearbox |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |