CN111941019A - Production process of synchronous belt pulley and equipment for rolling production of synchronous belt pulley - Google Patents
Production process of synchronous belt pulley and equipment for rolling production of synchronous belt pulley Download PDFInfo
- Publication number
- CN111941019A CN111941019A CN201910397490.6A CN201910397490A CN111941019A CN 111941019 A CN111941019 A CN 111941019A CN 201910397490 A CN201910397490 A CN 201910397490A CN 111941019 A CN111941019 A CN 111941019A
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- belt wheel
- rolling
- wheel body
- main shaft
- boss
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Abstract
The invention discloses a production process of a synchronous belt pulley, which belongs to the technical field of transmission part production and comprises the steps of (1) processing a belt pulley body, (2) processing a check ring, (3) rolling the check ring, (4) inspecting and deburring, and (5) spraying an anti-rust layer.
Description
Technical Field
The invention discloses a production process of a synchronous belt pulley and equipment for rolling and producing the synchronous belt pulley, and belongs to the technical field of production of transmission parts.
Background
The synchronous belt wheel transmission consists of a closed annular rubber belt with equidistant teeth on the inner peripheral surface and a corresponding belt wheel. The existing synchronous belt wheel comprises a belt wheel body and check rings positioned at two sides of the two belt wheel bodies, and the belt wheel body and the check rings are connected into a whole by adopting the traditional welding mode, so that a larger welding trace is inevitably left at the welding position of the belt wheel body and the check rings, the appearance of the synchronous belt wheel is influenced, the welding trace can be ground flat by a grinding mode subsequently, and the operation process and the difficulty are increased, meanwhile, the connection between the belt wheel body and the retainer ring is not reliable.
Disclosure of Invention
The invention aims to solve the problems and provide a production process of a synchronous pulley and equipment for rolling and producing the synchronous pulley.
The invention achieves the aim through the following technical scheme, and the production process of the synchronous pulley comprises the following steps:
(1) processing the belt wheel body: put round bar shape blank material and cut off on high-speed sawing machine to with this blank material through thick, finish turning to the requirement within range, thereby shaping band pulley body and the boss that is located band pulley body both ends, use the excircle of band pulley body to carry out the processing of band pulley body center mounting hole as the clamping benchmark again, mill the tooth processing on the excircle of band pulley body afterwards, thereby accomplish the shaping process of the wheel teeth on the band pulley body.
(2) Processing a check ring: and conveying the thin plate into a punch press, and punching the check ring by utilizing a punching die matched with the check ring under the pressure action of a punch in the punch press.
(3) Rolling a retainer ring: the belt wheel body is vertically placed on the rotary fixture, one of the check rings is horizontally sleeved on the outer side of the boss, the edge of the check ring is pressed by the pressing device, meanwhile, the edge of the boss is driven by the driving device to be rolled by the rolling device, so that the boss is deformed and expands towards the direction far away from the mounting hole, the check rings are firmly connected onto the belt wheel body, then the belt wheel body is turned over, and the production of the synchronous belt wheel can be completed by rolling the other check ring according to the method.
(4) Inspecting and deburring: whether the assembly of the synchronous pulley is firm or not and whether scratches exist in the appearance or not after the production is finished are checked, and meanwhile, burrs on the edge of the synchronous pulley are removed by using abrasive paper.
(5) Spraying an antirust layer: and spraying an anti-rust layer on the surface of the molded synchronous pulley to finally produce a finished product.
Preferably, the contact area of the rolling device and the boss in the step (3) is 1/8-1/6 of the projection area of the boss.
Preferably, the rolling pressure in the step (3) is 12-15Mpa, and the rolling time is 90 s.
Preferably, the height of the boss is 0.2-0.5mm greater than the maximum thickness of the retainer ring.
The invention provides equipment for producing synchronous belt pulleys by rolling, which comprises a rack, a rolling device and a rotary fixture, wherein the rolling device is positioned on the rack, the rotary fixture is used for positioning a belt pulley body, the rolling device comprises a rolling bearing, a fixed rod connected with the rolling bearing and a main shaft connected to one end, far away from the rolling bearing, of the fixed rod, a power device used for driving the main shaft to rotate is arranged on the outer side of the main shaft, a vertical sliding plate is arranged on one side of the main shaft, a first motor and a lead screw used for driving the vertical sliding plate to move up and down are arranged on the rack, the rotary fixture comprises a clamping table and a positioning shaft which is positioned in the center of the clamping table and matched with a mounting hole, and a second.
Preferably, the power device comprises a rotating seat positioned on two sides of the main shaft, a third motor installed on the rotating seat and a transmission structure positioned on the inner side of the main shaft, the transmission structure comprises a driven gear fixed on the main shaft and a driving gear connected to an output shaft of the third motor, and the driving gear is in meshing transmission with the driven gear.
Preferably, the two sides of the rotary clamp are provided with pressing devices for pressing the edge of the retainer ring, each pressing device comprises a rubber roller, a mounting seat connected with the rubber roller in a rotating mode, a first air cylinder for driving the mounting seat to move up and down, a sliding seat connected with the mounting seat in a sliding mode, and a second air cylinder fixed on the rack, and the second air cylinder drives the sliding seat to slide left and right on the rack.
Compared with the prior art, the invention has the beneficial effects that:
can make band pulley body and two retaining rings firm in connection through the mode of roll extrusion, rolled pressure area can artificial control simultaneously, compares moreover and adopts traditional welding mode, and its surface does not have the welding vestige, and the outward appearance is effectual, also need not through the processing of polishing, and processing is convenient simple, and the retaining ring is hugged closely with the side of band pulley body after the roll extrusion simultaneously, and the plane degree is good, connects more firmly.
Drawings
FIG. 1 is a schematic structural view of a timing pulley according to the present invention;
FIG. 2 is a cross-sectional view of the timing pulley of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic structural diagram of an apparatus for roll-forming a synchronous pulley according to the present invention;
fig. 5 is a partial structure diagram of a transmission structure in the equipment for rolling and producing the synchronous pulley.
Reference numerals: 1. mounting holes; 2. a pulley body; 3. gear teeth; 4. a retainer ring; 5. a boss; 6. a frame; 7. a second cylinder; 8. a slide base; 9. a mounting seat; 10. a first cylinder; 11. a main shaft; 12. a vertical slide plate; 13. a first motor; 14. a lead screw; 15. a rotating seat; 16. a third motor; 17. a rolling bearing; 18. a rubber roller; 19. a clamping table; 20. a second motor; 21. a driving gear; 22. a driven gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, a process for producing a synchronous pulley includes the following steps:
(1) processing the belt wheel body: put round bar shape blank material on high-speed sawing machine and cut off to with this blank material through thick, finish turning to the requirement within range, thereby shaping band pulley body 2 and be located the boss 5 at band pulley body 2 both ends, use the excircle of band pulley body 2 again as the processing of clamping benchmark carrying out band pulley body 2 center mounting hole 1, carry out the milling tooth processing on the excircle of band pulley body 2 afterwards, thereby accomplish the shaping process of band pulley body 2 upper gear 3.
(2) Processing a check ring: and conveying the thin plate into a punch press, and punching the retainer ring 4 by utilizing a punching die matched with the retainer ring 4 under the pressure action of a punch head in the punch press.
(3) Rolling a retainer ring: the belt wheel body 2 is vertically placed on a rotary fixture, one check ring 4 is horizontally sleeved on the outer side of the boss 5, the edge of the check ring 4 is pressed by a pressing device, meanwhile, a rolling device is driven by a driving device to roll the edge of the boss 5, so that the boss is deformed and expands towards the direction far away from the mounting hole 1, the check ring 4 is firmly connected onto the belt wheel body 2, then the belt wheel body 2 is turned over, and the production of the synchronous belt wheel can be completed by rolling the other check ring 4 according to the method.
(4) Inspecting and deburring: whether the assembly of the synchronous pulley is firm or not and whether scratches exist in the appearance or not after the production is finished are checked, and meanwhile, burrs on the edge of the synchronous pulley are removed by using abrasive paper.
(5) Spraying an antirust layer: and spraying an anti-rust layer on the surface of the molded synchronous pulley to finally produce a finished product.
Preferably, the contact area of the rolling device and the boss 5 in the step (3) is 1/8-1/6 of the projection area of the boss 5.
Preferably, the rolling pressure in the step (3) is 12-15MPa, and the rolling time is 90 s.
Preferably, the height of the boss 5 is 0.2-0.5mm greater than the maximum thickness of the retainer ring 4.
The invention provides equipment for producing synchronous pulleys by rolling, which comprises a rack 6, a rolling device positioned on the rack 6 and a rotary fixture for positioning a pulley body 2, wherein the rolling device comprises a rolling bearing 17, a fixed rod connected with the rolling bearing 17 and a main shaft 11 connected to one end, far away from the rolling bearing 17, of the fixed rod, a power device for driving the main shaft 11 to rotate is arranged on the outer side of the main shaft 11, a vertical sliding plate 12 is arranged on one side of the main shaft 11, a first motor 13 and a lead screw 14 for driving the vertical sliding plate 12 to move up and down are arranged on the rack 6, the rotary fixture comprises a clamping table 19 and a positioning shaft which is positioned in the center of the clamping table 19 and matched with a mounting hole 1, and a second motor 20 for driving the clamping table 19 to rotate is arranged on.
Positioning the belt wheel body 2 by using a rotary fixture, placing one of the check rings 4 on the boss 5, driving the rotary fixture and the belt wheel body 2 to rotate by using the second motor 20, driving the screw rod 14 to rotate by the first motor 13 at the moment, so that the main shaft 11 on the vertical sliding plate 12 gradually descends, meanwhile, driving the main shaft 11 and the rolling device to rotate 90 degrees towards one side of an operator by the power device, when the rolling bearing 17 is in contact with the edge of the boss 5 and in the rotation process of the belt wheel body 2, the edge of the boss 5 is stressed and deforms and expands outwards, so that the check ring 4 is rolled on the belt wheel body 2, then turning the belt wheel body 2 over 180 degrees, and rolling the other check ring 4 according to the operation, so that the synchronous belt wheel can be formed after the operation is completed, compared with the traditional welding mode for connecting the check ring 4 and the belt wheel body 2, the outward appearance is effectual, also need not through the processing of polishing, and processing is convenient simple, and retaining ring 4 hugs closely with the side of band pulley body 2 after the roll extrusion simultaneously, and the plane degree is good, connects more firmly.
Preferably, the power device comprises a rotating base 15 positioned at two sides of the main shaft 11, a third motor 16 mounted on the rotating base 15, and a transmission structure positioned inside the main shaft 11, wherein the transmission structure comprises a driven gear 22 fixed on the main shaft 11 and a driving gear 21 connected to an output shaft of the third motor 16, and the driving gear 21 is in meshing transmission with the driven gear 22.
The third motor 16 can drive the driving gear 21 to rotate, and the driving gear 21 and the driven gear 22 located inside the main shaft 11 are concentric, so that the third motor 16 can control the rotation angle of the main shaft 11, so as to keep the outer circumferential surface of the rolling bearing 17 horizontal with the boss 5, and at this time, the boss 5 is deformed enough to fix the retaining ring 4 on the pulley body 2 under the pressure of the rolling bearing 17.
Preferably, the two sides of the rotary fixture are provided with pressing devices for pressing the edge of the retainer ring 4, each pressing device comprises a rubber roller 18, a mounting seat 9 rotationally connected with the rubber roller 18, a first air cylinder 10 for driving the mounting seat 9 to move up and down, a sliding seat 8 slidably connected with the mounting seat 9, and a second air cylinder 7 fixed on the frame 6, and the second air cylinder 7 drives the sliding seat 8 to slide left and right on the frame 6.
The pressing devices are close to the belt wheel body 2 under the pushing of the first cylinder 10, meanwhile, the second cylinder 7 can drive the rubber roller 18 to move up and down, the retainer ring 4 is horizontally placed on the outer side of the boss 5, the edge of the retainer ring 4 can be pressed, the two pressing devices are distributed for 180 degrees, the retainer ring 4 can not warp due to uneven stress when the rolling bearing 17 rolls the boss 5, and therefore the processing quality of the synchronous belt wheel is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The production process of the synchronous pulley is characterized by comprising the following steps of:
(1) processing the belt wheel body: putting round bar shaped blank material on a high-speed sawing machine to cut off, roughly and finely turning the blank material to a required range, thereby forming a belt wheel body (2) and bosses (5) positioned at two ends of the belt wheel body (2), then processing a central mounting hole (1) of the belt wheel body (2) by taking the excircle of the belt wheel body (2) as a clamping reference, and then milling teeth on the excircle of the belt wheel body (2), thereby completing the forming process of gear teeth (3) on the belt wheel body (2).
(2) Processing a check ring: and conveying the thin plate into a punch press, and punching the retainer ring (4) by utilizing a punching die matched with the retainer ring (4) under the pressure action of a punch in the punch press.
(3) Rolling a retainer ring: the belt wheel body (2) is vertically placed on a rotary fixture, one of the check rings (4) is horizontally sleeved on the outer side of the boss (5), the edge of the check ring (4) is pressed by a pressing device, meanwhile, the edge of the boss (5) is rolled by a rolling device driven by a driving device, the check ring is deformed and expands towards the direction far away from the mounting hole (1), the check ring (4) is firmly connected onto the belt wheel body (2), the belt wheel body (2) is overturned afterwards, and the production of the synchronous belt wheel can be completed by rolling the other check ring (4) according to the method.
(4) Inspecting and deburring: whether the assembly of the synchronous pulley is firm or not and whether scratches exist in the appearance or not after the production is finished are checked, and meanwhile, burrs on the edge of the synchronous pulley are removed by using abrasive paper.
(5) Spraying an antirust layer: and spraying an anti-rust layer on the surface of the molded synchronous pulley to finally produce a finished product.
2. The process for producing a synchronous pulley according to claim 1, wherein the contact area of the rolling device and the boss (5) in the step (3) is 1/8-1/6 of the projection area of the boss (5).
3. The process for producing a synchronous pulley according to claim 1, wherein the pressure of the rolling in the step (3) is 12 to 15Mpa, and the time of the rolling is 90 s.
4. A process for the production of a synchronous pulley according to claim 1, characterized in that the height of the boss (5) is 0.2-0.5mm greater than the maximum thickness of the retaining ring (4).
5. The equipment for producing the synchronous belt wheel by rolling is characterized by comprising a rack (6), a rolling device positioned on the rack (6) and a rotary clamp used for positioning a belt wheel body (2), the rolling device comprises a rolling bearing (17), a fixed rod connected with the rolling bearing (17) and a main shaft (11) connected with one end of the fixed rod far away from the rolling bearing (17), a power device for driving the main shaft (11) to rotate is arranged on the outer side of the main shaft (11), a vertical sliding plate (12) is arranged on one side of the main shaft (11), a first motor (13) and a lead screw (14) for driving the vertical sliding plate (12) to move up and down are arranged on the frame (6), the rotary clamp comprises a clamping table (19) and a positioning shaft which is positioned in the center of the clamping table (19) and matched with the mounting hole (1), and a second motor (20) for driving the clamping table (19) to rotate is arranged on the rack (6).
6. The apparatus for rolling production of synchronous pulley according to claim 5, wherein the power device comprises a rotating base (15) located at both sides of the main shaft (11), a third motor (16) mounted on the rotating base (15), and a transmission structure located inside the main shaft (11), the transmission structure comprises a driven gear (22) fixed on the main shaft (11) and a driving gear (21) connected to an output shaft of the third motor (16), and the driving gear (21) is in mesh transmission with the driven gear (22).
7. The equipment for roll-forming synchronous pulleys according to claim 5, wherein the two sides of the rotary fixture are provided with pressing devices for pressing the edge of the retainer ring (4), the pressing devices comprise rubber rollers (18), mounting seats (9) rotatably connected with the rubber rollers (18), first air cylinders (10) for driving the mounting seats (9) to move up and down, sliding seats (8) slidably connected with the mounting seats (9), and second air cylinders (7) fixed on the frame (6), and the second air cylinders (7) drive the sliding seats (8) to slide left and right on the frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397490.6A CN111941019B (en) | 2019-05-14 | 2019-05-14 | Production process of synchronous belt pulley and equipment for rolling production of synchronous belt pulley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397490.6A CN111941019B (en) | 2019-05-14 | 2019-05-14 | Production process of synchronous belt pulley and equipment for rolling production of synchronous belt pulley |
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| CN111941019A true CN111941019A (en) | 2020-11-17 |
| CN111941019B CN111941019B (en) | 2022-05-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19518460A1 (en) * | 1995-05-19 | 1996-11-21 | Bad Dueben Profilwalzmaschinen | Production method for rings with axially parallel profiles |
| CN201391589Y (en) * | 2009-02-10 | 2010-01-27 | 上海五同同步带有限公司 | Assembled synchronous pulley |
| JP2010084817A (en) * | 2008-09-30 | 2010-04-15 | Ntn Corp | Bearing with resin pulley and method of manufacturing the same |
| CN201875098U (en) * | 2010-12-06 | 2011-06-22 | 王枝俏 | Roll forming steel belt pulley |
| CN104117735A (en) * | 2014-07-30 | 2014-10-29 | 温岭市九洲电机制造有限公司 | Deburring machine tool for shaft parts |
| CN105333103A (en) * | 2015-11-18 | 2016-02-17 | 杭州禾呈机械有限公司 | Two-grade coaxial multi-wedge type high-precision spinning belt wheel and manufacturing method thereof |
| CN207325810U (en) * | 2017-11-02 | 2018-05-08 | 嵊州市金磊机械有限公司 | A kind of rolling device of centrifugal impeller |
-
2019
- 2019-05-14 CN CN201910397490.6A patent/CN111941019B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19518460A1 (en) * | 1995-05-19 | 1996-11-21 | Bad Dueben Profilwalzmaschinen | Production method for rings with axially parallel profiles |
| JP2010084817A (en) * | 2008-09-30 | 2010-04-15 | Ntn Corp | Bearing with resin pulley and method of manufacturing the same |
| CN201391589Y (en) * | 2009-02-10 | 2010-01-27 | 上海五同同步带有限公司 | Assembled synchronous pulley |
| CN201875098U (en) * | 2010-12-06 | 2011-06-22 | 王枝俏 | Roll forming steel belt pulley |
| CN104117735A (en) * | 2014-07-30 | 2014-10-29 | 温岭市九洲电机制造有限公司 | Deburring machine tool for shaft parts |
| CN105333103A (en) * | 2015-11-18 | 2016-02-17 | 杭州禾呈机械有限公司 | Two-grade coaxial multi-wedge type high-precision spinning belt wheel and manufacturing method thereof |
| CN207325810U (en) * | 2017-11-02 | 2018-05-08 | 嵊州市金磊机械有限公司 | A kind of rolling device of centrifugal impeller |
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| CN111941019B (en) | 2022-05-31 |
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