CN204620918U - Bender - Google Patents
Bender Download PDFInfo
- Publication number
- CN204620918U CN204620918U CN201520317142.0U CN201520317142U CN204620918U CN 204620918 U CN204620918 U CN 204620918U CN 201520317142 U CN201520317142 U CN 201520317142U CN 204620918 U CN204620918 U CN 204620918U
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- CN
- China
- Prior art keywords
- gear
- pedestal
- framework
- cam
- reinforcing bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a kind of bender, comprise pedestal (1), by motor-driven first gear (2), the second gear (3), cam (4), push rod (5) and framework (7), first gear (2) is partial gear, motor is fixedly connected on pedestal (1), and the first gear (2) is connected with motor output shaft; Second gear (3) is rotatably connected on pedestal (1), the second gear (3) and the first gear (2) engaged transmission; Pedestal (1) is provided with guide pin bushing (8), framework (7) is fixedly connected on pedestal (1), framework (7) is provided with inner concave (11), and the drift (10) of push rod (5) is towards the inner concave (11) of framework (7); Pedestal (1) is provided with resetting means; The inner concave (11) of described framework (7) is provided with the positioner for location, reinforcing bar (6) two ends.There is provided a kind of working strength little, the bender that bending efficiency is high.
Description
Technical field
The utility model relates to mechanical brake techniques field, particularly relates to a kind of bender.
Background technology
On building sites, workmen often will carry out bending to large batch of reinforcing bar; Then, reinforcing bar complete for bending is dropped into next step construction.At the construction field (site), the bending equipment that we often see is in frame, arrange a framework, and the shape of this framework is identical with the reinforcing bar shape after bending, frame is hinged with a handle, handle is provided with the projection identical with frame shape; Be placed into successively in framework by reinforcing bar, then artificial rotary handle is to mold required reinforcing bar shape.Carrying out bending by said method to reinforcing bar can cause workmen's working strength large, and bending efficiency is low.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of working strength little, the bender that bending efficiency is high.
Technical solution of the present utility model is, there is provided a kind of bender with following structure: comprise pedestal, framework by motor-driven first gear, the second gear, cam, push rod and accommodating reinforcing bar, the first described gear is partial gear, motor is fixedly connected on pedestal, and the first gear is connected with motor output shaft; Second pinion rotation is connected on pedestal, the second gear and the first meshed transmission gear; Cam is arranged on the second gear face, and pedestal is provided with the guide pin bushing slided for push rod, and push rod one end is provided with the flat board pushed against with cam contour, and the other end is provided with the drift for bend reinforcement; Framework is fixedly connected on pedestal, and framework is provided with the inner concave for bending reinforcement, and the drift of push rod is towards the inner concave of framework; Described pedestal is provided with the resetting means pulling cam return; The inner concave of described framework is provided with the positioner for location, reinforcing bar two ends.
Reinforcing bar is first placed in the inner concave of framework by the utility model, and the two ends of reinforcing bar are spacing by positioner, motor drives the first pinion rotation to rotate to drive the second gear and cam, and then promotion push rod moves, bending reinforcement can be become the shape of inner concave on framework by the drift on push rod, thus realize the automatic bending operation of reinforcing bar, Forging Process need not operative, thus reduces the working strength of workman and can improve the operating efficiency of bending, wherein, because the first gear is partial gear, therefore the process that the first gear passes to the second gear can realize the process of an intermittently-driving, namely the first gear has tooth region can drive the second pinion rotation, and anodontia region just can not drive the second pinion rotation on the first gear, and when the first pinion rotation coordinates to anodontia region with the second gear, cam on second gear can return to initial position under the pulling of resetting means, treat that the first gear enters into next turn around time and can continue again drive second pinion rotation, and then realize the continuous bending work of the application's bender, further raising bending efficiency.Therefore, the utility model provides a kind of working strength little, the bender that bending efficiency is high.
Preferred as one, described resetting means refers to, pedestal is provided with the straight pin pushing against with cam gabarit or throw off, and is provided with extension spring between pedestal and cam.Anodontia area rotation on the first gear coordinates to the second gear, namely when the first gear can not drive the second pinion rotation, cam on second gear can rotate backward under the pulling force effect of extension spring, until the gabarit of cam is pushed against on straight pin, namely the second gear returns to initialization position, prepares next bending work.
Preferred as one, be provided with extension spring between described pedestal and cam and refer to, extension spring one end is connected with pedestal, and the other end is connected with cam.Extension spring can pull cam to rotate reset effectively, and the cost of extension spring is lower.
Preferred as one, described positioner refers to, the inner concave of framework is provided with two blocks, and two blocks are fixedly connected on the inner concave of framework, and two blocks push against respectively or throw off the two ends of reinforcing bar; Two described block lines are parallel to the end face of guide pin bushing, and are datum end face near the guide pin bushing end face of framework, and the distance that two blocks are wired to datum end face is greater than the diameter of reinforcing bar.Can prevent after reinforcing bar is placed into the inner concave of framework well by the restriction of two blocks, play is there is in reinforcing bar on inner concave, especially punch. contact reinforcing bar in a flash, and then two blocks can prevent bending bar gauge out inconsistent, namely prevent the both ends length violation in bending reinforcement portion from closing construction requirement.
Preferred as one, described guide pin bushing is fixedly connected on pedestal.Guide pin bushing can play the effect of a guiding to well the motion of push rod, and push rod is moved along the axis direction of guide pin bushing.
Accompanying drawing explanation
Fig. 1 is the top view of the utility model bender.
Fig. 2 is the part drawing in the utility model bender.
Shown in figure: 1, pedestal, the 2, first gear, the 3, second gear, 4, cam, 5, push rod, 6, reinforcing bar, 7, framework, 8, guide pin bushing, 9, dull and stereotyped, 10, drift, 11, inner concave, 12, straight pin, 13, extension spring, 14, block.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The operation principle of the application's utility model: first, is placed into reinforcing bar 6 in the inner concave 11 of framework 7, props up the two ends of reinforcing bar 6 with two blocks 14; Then opening motor drives the first gear 2 to rotate, the tooth region that has of the first gear 2 can drive the second gear 3 to rotate, cam 4 follows the second gear 3 synchronous axial system, the gabarit of cam 4 is by promoting dull and stereotyped 9 to realize the movement of push rod 5, push rod 5 can move along the axis direction of guide pin bushing 8, thus the drift 10 on push rod 5 can carry out bending to reinforcing bar 6, makes reinforcing bar 6 two ends slide along inner concave 11, until reinforcing bar 6 is bent into consistent with the shape of inner concave 11 on framework 7; When the anodontia area rotation on the first gear 2 is to the position corresponding with the second gear 3, so the first gear 2 just can not drive the second gear 3 and cam 4 to rotate, and cam 4 just can reverse under the effect of extension spring 13, until cam 4 pushes against straight pin 12, because the second gear 3 contacts with the anodontia region of the first gear 2, so the first gear 2 can not be formed the reversion of the second gear 3 interferes; Wherein, when the anodontia region of the first gear 2 can not drive the second gear 3 to rotate, the reinforcing bar 6 of forming can take out by workman, is then placed in the inner concave 11 of framework 7 by unprocessed reinforcing bar 6, and push rod 5 also can be pushed to initial position by this process taken out and put into.In sum, the first gear 2 have tooth region and the second gear 3 engaged transmission time, push rod 5 can carry out bending process; The anodontia region of the first gear 2 and the second gear 3 cannot engaged transmission time, cam 4 resets, and can change the reinforcing bar 6 in framework 7, along with the continuous rotation of driven by motor first gear 2 just can realize the continuous bending work of bender.
The utility model bender comprises pedestal 1, framework 7 by motor-driven first gear 2, second gear 3, cam 4, push rod 5 and accommodating reinforcing bar 6, the first described gear 2 is partial gear, motor is fixedly connected on pedestal 1, and the first gear 2 is connected with motor output shaft; Second gear 3 is rotatably connected on pedestal 1, the second gear 3 and the first gear 2 engaged transmission; Cam 4 is arranged on the second gear 3 end face, and pedestal 1 is provided with the guide pin bushing 8 slided for push rod 5, and push rod 5 one end is provided with the flat board 9 pushed against with cam 4 profile, and the other end is provided with the drift 10 for bend reinforcement 6; Framework 7 is fixedly connected on pedestal 1, and framework 7 is provided with the inner concave 11 for reinforcing bar 6 bending, and the drift 10 of push rod 5 is towards the inner concave 11 of framework 7; Described pedestal 1 is provided with the resetting means pulling cam 4 to reset; The inner concave 11 of described framework 7 is provided with the positioner for location, reinforcing bar 6 two ends.Described partial gear refers to the tooth circumferentially getting rid of a part of a full-depth tooth gear, makes this gear in whole turnover region, can not carry out transmission to other gears, is merely able to realize intermittently carry out engaged transmission with other gears.
Described resetting means refers to, pedestal 1 is provided with the straight pin 12 pushing against with cam 4 gabarit or throw off, and is provided with extension spring 13 between pedestal 1 and cam 4.
Be provided with extension spring 13 between described pedestal 1 and cam 4 to refer to, extension spring 13 one end is connected with pedestal 1, and the other end is connected with cam 4.
Described positioner refers to, the inner concave 11 of framework 7 is provided with two blocks, 14, two blocks 14 and is fixedly connected on the inner concave 11 of framework 7, and two blocks 14 push against respectively or throw off the two ends of reinforcing bar 6; Two described block 14 lines are parallel to the end face of guide pin bushing 8, and are datum end face near guide pin bushing 8 end face of framework 7, and the distance that two blocks 14 are wired to datum end face is greater than the diameter of reinforcing bar 6.
Described guide pin bushing 8 is fixedly connected on pedestal 1.
The foregoing is only preferred embodiment of the present utility model, not for limiting protection domain of the present utility model.All within the utility model claim, any amendment done, equivalent replacement and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a bender, it is characterized in that: it comprises pedestal (1), framework (7) by motor-driven first gear (2), the second gear (3), cam (4), push rod (5) and accommodating reinforcing bar (6), described the first gear (2) is partial gear, motor is fixedly connected on pedestal (1), and the first gear (2) is connected with motor output shaft; Second gear (3) is rotatably connected on pedestal (1), the second gear (3) and the first gear (2) engaged transmission; Cam (4) is arranged on the second gear (3) end face, pedestal (1) is provided with the guide pin bushing (8) slided for push rod (5), push rod (5) one end is provided with the flat board (9) pushed against with cam (4) profile, and the other end is provided with the drift (10) for bend reinforcement (6); Framework (7) is fixedly connected on pedestal (1), framework (7) is provided with the inner concave (11) for reinforcing bar (6) bending, and the drift (10) of push rod (5) is towards the inner concave (11) of framework (7); Described pedestal (1) is provided with the resetting means pulling cam (4) to reset; The inner concave (11) of described framework (7) is provided with the positioner for location, reinforcing bar (6) two ends.
2. bender according to claim 1, it is characterized in that: described resetting means refers to, pedestal (1) is provided with the straight pin (12) pushing against with cam (4) gabarit or throw off, and is provided with extension spring (13) between pedestal (1) and cam (4).
3. bender according to claim 2, it is characterized in that: be provided with extension spring (13) between described pedestal (1) and cam (4) and refer to, extension spring (13) one end is connected with pedestal (1), and the other end is connected with cam (4).
4. bender according to claim 1, it is characterized in that: described positioner refers to, the inner concave (11) of framework (7) is provided with two blocks (14), two blocks (14) are fixedly connected on the inner concave (11) of framework (7), and two blocks (14) push against respectively or throw off the two ends of reinforcing bar (6); Two described block (14) lines are parallel to the end face of guide pin bushing (8), and be datum end face near guide pin bushing (8) end face of framework (7), the distance that two blocks (14) are wired to datum end face is greater than the diameter of reinforcing bar (6).
5. bender according to claim 1, is characterized in that: described guide pin bushing (8) is fixedly connected on pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317142.0U CN204620918U (en) | 2015-05-14 | 2015-05-14 | Bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317142.0U CN204620918U (en) | 2015-05-14 | 2015-05-14 | Bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204620918U true CN204620918U (en) | 2015-09-09 |
Family
ID=54039981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520317142.0U Expired - Fee Related CN204620918U (en) | 2015-05-14 | 2015-05-14 | Bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204620918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773607A (en) * | 2019-09-18 | 2020-02-11 | 西安科技成果转化工程有限公司 | Bending device for hardware machining |
-
2015
- 2015-05-14 CN CN201520317142.0U patent/CN204620918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773607A (en) * | 2019-09-18 | 2020-02-11 | 西安科技成果转化工程有限公司 | Bending device for hardware machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |