CN202639152U - Transmission mechanism provided with steel reinforcement bending device - Google Patents
Transmission mechanism provided with steel reinforcement bending device Download PDFInfo
- Publication number
- CN202639152U CN202639152U CN 201220245355 CN201220245355U CN202639152U CN 202639152 U CN202639152 U CN 202639152U CN 201220245355 CN201220245355 CN 201220245355 CN 201220245355 U CN201220245355 U CN 201220245355U CN 202639152 U CN202639152 U CN 202639152U
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- transmission mechanism
- gear
- central shaft
- housing
- planetary
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Abstract
The utility model discloses a transmission mechanism provided with a steel reinforcement bending device. The transmission mechanism provided with the steel reinforcement bending device comprises a frame, a transmission mechanism and a rotating disk provided with a bending shaft, wherein the transmission mechanism comprises a casing which is internally provided with a planetary reducer mechanism, the upper part of the casing is fixed on the frame below the rotating disk, the bottom at the inner side of the casing is fixedly provided with the lower end of a central shaft, and the upper end of the central shaft penetrates through and protrudes out of a central hole of the rotating disk; and the bottom of the rotating disk is fixed at the output end of the planetary reducer mechanism, and the planetary reducer mechanism is articulated and supported between the casing and the central shaft. The transmission mechanism provided with the steel reinforcement bending device has the advantages that large-torque rotating and bending steel reinforcement with relatively large diameter can be realized as the diameter of the central shaft can be enlarged; a planetary gear in the planetary reducer mechanism is adopted as the output of the transmission mechanism, so that the stable transmission speed and the high precision are achieved; the casing and a gear ring are integrally processed, the wheel gear strength is enhanced, the processing error is reduced, the entire weight and the volume of the transmission mechanism with the steel reinforcement bending machine is reduced, and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to transmission mechanism, particularly be the transmission mechanism that bending device for rebars is housed.
Background technology
The bending device for rebars of prior art is the isolated plant for moment reinforcement, and the bending device for rebars of prior art and connected transmission mechanism comprise: casing; Be arranged on the central shaft on the cabinet panel; The bending axis that can center on the central shaft rotation of central shaft one side; Described bending axis is positioned at the eccentric end of cranking arm, transmission central shaft one end in the described core connect box of cranking arm, and the transmission central shaft other end connects the motor reducer output shaft.
There is following shortcoming in the transmission mechanism of the bending device for rebars of above-mentioned prior art: at first, the axiality that said motor speed reducer output shaft and transmission central shaft are installed is strict, deviation two central shaft serious wear are slightly arranged, not only reduce the durability of workpiece, also strengthened assembling and maintenance difficulty.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provides a kind of bending device for rebars transmission mechanism central shaft to maintain static, and can realize the high pulling torque revolution, and axiality requires low, the simple in structure transmission mechanism that bending device for rebars is housed in the assembling.
The technical scheme that solves the problems of the technologies described above is: a kind of transmission mechanism that bending device for rebars is housed, and the described transmission mechanism that bending device for rebars is housed comprises: frame; Transmission mechanism; The rotating disc of bending axis is housed, and described transmission mechanism comprises: the housing of planetary gear speed reducing mechanism is equipped with in its inside, and housing top is fixed on the frame below the rotating disc; Be fixed with the lower end of central shaft in described housing inside bottom, the centre bore of rotating disc is run through and protruded from described central shaft upper end; The bottom of described rotating disc is fixed on the output of planetary gear speed reducing mechanism, and described planetary gear speed reducing mechanism hinged support is between housing and central shaft.
The beneficial effects of the utility model are: the utility model overcomes the deficiencies in the prior art, transmission mechanism central shaft of the present utility model maintains static the while as the central shaft of bending device for rebars, therefore the diameter of central shaft can strengthen, and can realize the larger reinforcing bar of high pulling torque rotary bending diameter; The utility model adopts the moving planet carrier of the planet cingulum in the star reducing gear to do the output of transmission mechanism, can realize that transmission speed is steady, and precision is high; The utility model housing and gear ring are integrated processing, increase gear teeth intensity, reduce mismachining tolerance, alleviate angle-bender transmission mechanism overall weight and volume, reduce manufacturing cost.
Description of drawings
Fig. 1 is the utility model contour structures front view;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the half sectional view of transmission mechanism among Fig. 1;
Fig. 4 is A-A cutaway view among Fig. 3;
Fig. 5 is B-B cutaway view among Fig. 3.
" sequence number explanation in the accompanying drawing "
1: bevel gear; 2: sun wheel body; 2a: the first driving gear; 2b: the second driving gear; 3: planet carrier; 3a: planet carrier gear; 4: the output planetary frame; 4a: the protruding axle of output planetary frame; 5a: the first gear ring; 5b: the second gear ring; 6: central shaft; 7: the first groups of planetary gears; 8: the second groups of planetary gears, 9: bearing; 10: connecting axle; 11: motor; 12,13,14,15: bearing; 16: bending axis; 17: rotating disc; 18,20: screw; 19: frame plate; 22: bolt; 23: reinforcing bar; 100: transmission mechanism; 200: frame; 300: housing.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the utility model contour structures front view; Fig. 2 is the top view of Fig. 1; Fig. 3 is the half sectional view of transmission mechanism among Fig. 1; Fig. 4 is A-A cutaway view among Fig. 3; Fig. 5 is B-B cutaway view among Fig. 3.
The utility model provides a kind of transmission mechanism that bending device for rebars is housed, and the described transmission mechanism that bending device for rebars is housed comprises: frame 200; Transmission mechanism 100; The rotating disc 17 of bending axis 16 is housed.
Described transmission mechanism 100 comprises: the housing 300 of planetary gear speed reducing mechanism is equipped with in its inside, and housing 300 tops are fixed on the frame 200 below the rotating disc 17; Be fixed with the lower end of central shaft 6 in described housing 300 inside bottom, the centre bore of rotating disc 17 is run through and protruded from described central shaft 6 upper ends; The bottom of described rotating disc 17 is fixed on the output of planetary gear speed reducing mechanism, and described planetary gear speed reducing mechanism hinged support is between housing 300 and central shaft 6.
Described planetary gear speed reducing mechanism comprises triple reduction gearing:
First order deceleration device comprises: with the first driving gear 2a of the sun wheel body 2 of motor 11 gear of output end engagements, described sun wheel body 2 hinged supports are between central shaft 6 and housing 300, and described sun wheel body 2 rotating speeds are lower than motor 11 rotating speeds.
Second level deceleration device comprises: first group of planetary gear 7; Described first group of planetary gear 7 is engaged between the first fixing gear ring 5a of the second driving gear 2b of sun wheel body 2 and housing 300; Described first group of planetary gear 7 hinged support are at an end of planet carrier 3, and the centre bore of described planet carrier 3 is sleeved on the central shaft 6, and described planet carrier 3 rotating speeds are lower than sun wheel body 2 rotating speeds.
Third level deceleration device comprises: second group of planetary gear 8; Described second group of planetary gear 8 is engaged between the second fixing gear ring 5b of the planet carrier gear 3a of planet carrier 3 other ends and housing 300; Described second group of planetary gear 8 hinged support are at output planetary frame 4 one ends, the protruding axle 4a of the output planetary frame of output planetary frame 4 other ends is fixed on the bottom of rotating disc 17 as the output of planetary gear speed reducing mechanism, described output planetary frame 4 hinged supports between central shaft 6 and housing 300 and rotating speed be lower than planet carrier 3 rotating speeds.
The first driving gear 2a of described motor 11 gear of output end and sun wheel body 2 is bevel gears 1 of pair of meshing.
Described second group of planetary gear 8 is hinged on the connecting axle 10, and described connecting axle 10 is fixed on output planetary frame 4 one ends.
Described the first gear ring 5a and the second gear ring 5b and housing 300 are the integral type structure.
For easy to process, as shown in Figure 3, will separately make with the housing 300 of the first gear ring 5a and the second gear ring 5b, be combined as a whole with bolt 22 again.
More particularly, as shown in Figure 1 and Figure 2, housing 300 tops of the transmission mechanism of the bending device for rebars that the utility model provides are fixed on the frame plate 19 by screw 20, and frame plate 19 is arranged on the top of frame 200; Described rotating disc 17 be fastened on by screw 18 housing 300 inside planetary gear speed reducing mechanism output and with planet reducing gear rotation, between rotating disc 17 and frame plate 19 upper surfaces certain interval is arranged.Rotating disc 17 has central through hole, and the central shaft 6 of planetary gear speed reducing mechanism is arranged in rotating disc 17 central through holes and protrudes rotating disc 17 upper surfaces as the flex point of moment reinforcement; Described central shaft 6 lower ends are weldingly fixed on the bottom of housing 300 inboards.
As shown in Figure 3, the first driving gear 2a of motor 11 gear of output end of the present utility model and sun wheel body 2 adopts the bevel gear of pair of meshing, changes the transmission of power direction, is convenient to whole installation and simplified structure.
The below describes the utility model planetary gear speed reducing mechanism triple reduction gearing:
In the described first order deceleration device, between central shaft 6 and housing 300, realize rotating under motor 11 drives by sun wheel body 2 by bearing 14 and bearing 15 hinged supports for sun wheel body 2.
In the deceleration device of the described second level, the second driving gear 2b that sun wheel body 2 rotarily drives rotates, thereby driving first group of planetary gear 7 rotates, first group of planetary gear 7 is by the end of bearing 9 hinge mounted at planet carrier 3, because the first gear ring 5a maintains static, an end of planetary wheel carrier 3 is realized 2 grades of decelerations with 7 rotations of first group of planetary gear
In the described third level deceleration device, because planet carrier 3 rotarily drives the planet carrier gear 3a of planet carrier 3 other ends and rotates, because the second gear ring 5b maintains static, planet carrier gear 3a rotation just drives second group of planetary gear 8 and rotates, thereby second group of planetary gear 8 also drives output planetary frame 4 by bearing 9 hinged supports and rotates on the connecting axle 10 that is integrated with output planetary frame 4, output planetary frame 4 is by bearing 12,13 hinged supports are between central shaft 6 and housing 300, the protruding axle 4a of other end output planetary frame of output planetary frame 4 is fixed as one with screw 18 and rotating disc 17, rotating disc 17 is rotated with output planetary frame 4, bending axis 16 on the rotating disc 17 rotates around central shaft 6, and the reinforcing bar 23 that is placed between rotating disc 17 top bending axis 16 and the central shaft 6 is carried out bending.
Claims (5)
1. transmission mechanism that bending device for rebars is housed, the described transmission mechanism that bending device for rebars is housed comprises: frame (200); Transmission mechanism (100); The rotating disc (17) of bending axis (16) is housed, it is characterized in that, described transmission mechanism (100) comprising: the housing (300) of planetary gear speed reducing mechanism is equipped with in its inside, and housing (300) top is fixed on the following frame (200) of rotating disc (17); Be fixed with the lower end of central shaft (6) in described housing (300) inside bottom, the centre bore of rotating disc (17) is run through and protruded from described central shaft (6) upper end; The bottom of described rotating disc (17) is fixed on the output of planetary gear speed reducing mechanism, and described planetary gear speed reducing mechanism hinged support is between housing (300) and central shaft (6).
2. a kind of transmission mechanism that bending device for rebars is housed described in according to claim 1, it is characterized in that, described every trade star reducing gear comprises triple reduction gearing: first order deceleration device comprises: with first driving gear (2a) of the sun wheel body (2) of motor (11) gear of output end engagement, described sun wheel body (2) hinged support is between central shaft (6) and housing (300), and described sun wheel body (2) rotating speed is lower than motor (11) rotating speed;
Second level deceleration device comprises: first group of planetary gear (7); Described first group of planetary gear (7) is engaged between fixing the first gear ring (5a) of second driving gear (2b) of sun wheel body (2) and housing (300); Described first group of planetary gear (7) hinged support is at an end of planet carrier (3), and the centre bore of described planet carrier (3) is sleeved on the central shaft (6), and described planet carrier (3) rotating speed is lower than sun wheel body (2) rotating speed;
Third level deceleration device comprises: second group of planetary gear (8); Described second group of planetary gear (8) is engaged between fixing the second gear ring (5b) of the planet carrier gear (3a) of planet carrier (3) other end and housing (300); Described second group of planetary gear (8) hinged support is at output planetary frame (4) one ends, the protruding axle of output planetary frame (4a) of output planetary frame (4) other end is fixed on the bottom of rotating disc (17) as the output of planetary gear speed reducing mechanism, described output planetary frame (4) hinged support between central shaft (6) and housing (300) and rotating speed be lower than planet carrier (3) rotating speed.
3. a kind of transmission mechanism that bending device for rebars is housed described in according to claim 2 is characterized in that first driving gear (2a) of described motor (11) gear of output end and sun wheel body (2) is the bevel gear of pair of meshing.
4. a kind of transmission mechanism that bending device for rebars is housed described in according to claim 2 is characterized in that described second group of planetary gear (8) is hinged on the connecting axle (10), and described connecting axle (10) is fixed on output planetary frame (4) one ends.
5. a kind of transmission mechanism that bending device for rebars is housed described in according to claim 2 is characterized in that, described the first gear ring (5a) and the second gear ring (5b) are the integral type structure with housing (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245355 CN202639152U (en) | 2012-05-29 | 2012-05-29 | Transmission mechanism provided with steel reinforcement bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220245355 CN202639152U (en) | 2012-05-29 | 2012-05-29 | Transmission mechanism provided with steel reinforcement bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639152U true CN202639152U (en) | 2013-01-02 |
Family
ID=47408330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220245355 Withdrawn - After Issue CN202639152U (en) | 2012-05-29 | 2012-05-29 | Transmission mechanism provided with steel reinforcement bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699234A (en) * | 2012-05-29 | 2012-10-03 | 建科机械（天津）股份有限公司 | Driving mechanism for steel bar bender |
| CN105880984A (en) * | 2016-06-01 | 2016-08-24 | 建科机械（天津）股份有限公司 | Center shaft dismounting mechanism of steel bar bender |
| CN107186122A (en) * | 2017-06-23 | 2017-09-22 | 深圳市康振机械科技有限公司 | A kind of bending handpiece and bar cutting bend robot |
-
2012
- 2012-05-29 CN CN 201220245355 patent/CN202639152U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699234A (en) * | 2012-05-29 | 2012-10-03 | 建科机械（天津）股份有限公司 | Driving mechanism for steel bar bender |
| CN102699234B (en) * | 2012-05-29 | 2014-06-18 | 建科机械（天津）股份有限公司 | Driving mechanism for steel bar bender |
| CN105880984A (en) * | 2016-06-01 | 2016-08-24 | 建科机械（天津）股份有限公司 | Center shaft dismounting mechanism of steel bar bender |
| CN107186122A (en) * | 2017-06-23 | 2017-09-22 | 深圳市康振机械科技有限公司 | A kind of bending handpiece and bar cutting bend robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20140618 |
|
| RGAV | Abandon patent right to avoid regrant |