CN214976872U - Numerical control bending center plate clamping rotating mechanism - Google Patents
Numerical control bending center plate clamping rotating mechanism Download PDFInfo
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- CN214976872U CN214976872U CN202120876404.2U CN202120876404U CN214976872U CN 214976872 U CN214976872 U CN 214976872U CN 202120876404 U CN202120876404 U CN 202120876404U CN 214976872 U CN214976872 U CN 214976872U
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Abstract
And the numerical control bending center plate clamping and rotating mechanism. The numerical control bending center plate clamping and rotating mechanism can rotate synchronously by utilizing the upper clamping block and the lower clamping block, can accurately rotate a plate and feed the plate in place. The C-shaped frame comprises an upper jaw opening and a lower jaw opening, the upper clamping device is arranged on the front end face of the upper jaw opening, the lower clamping device is arranged on the front end face of the lower jaw opening, and the upper clamping device and the lower clamping device are coaxial; the upper clamping device comprises a clamping rotating mechanism and a lifting mechanism, the upper rotating motor is fixedly connected with the upper fixing support, and the upper fixing support is fixedly and fixedly connected above the front end face of the C-shaped rack. The utility model discloses can be steady, accurate realization turning to, the swing of sheet material, guaranteed the position precision of processing.
Description
Technical Field
The utility model relates to a numerical control sheet metal processing equipment technical field, concretely relates to sheet material clamping mechanism's among the central feeding system of bending is controlled to the logarithm.
Background
The bending process of metal plate belongs to one of sheet metal processes, and can fold, bend and the like the plate according to the designed size and shape. In reality, the numerical control bending machine widely replaces manual bending and common bending machines, and various bending processing can be performed on plates with different sizes.
In order to further improve the working efficiency of the numerical control bending machine and improve the automation capacity of the whole line, an auxiliary device capable of clamping the plate is designed by equipment suppliers. For example, CN106925632A, "a flexible bending center", which is an automated objective, provides a technical solution that includes: location board, pass material feeding unit and the bending device of location board pay-off, wherein material feeding unit includes again: the device comprises a clamping rotating mechanism, a pushing mechanism and a longitudinal driving mechanism. The clamping and rotating mechanism comprises an upper clamping piece and a lower clamping piece, and the clamping action on the plate is realized by the up-and-down movement of the electrically driven upper clamping piece. Meanwhile, we see that the upper clamping piece can only move up and down (along the z-axis direction), and can freely follow the upper clamping piece around the z-axis direction. The rotary power for realizing the angle change of the sheet comes from the lower clamping piece.
In practice, there are two problems, firstly, because the clamping surface of the upper clamping member is of rectangular design (for the purpose of positioning the upper clamping member on the sheet), in which case the initial position of the upper clamping member needs to be adjusted each time before the sheet is clamped.
Secondly, the plate is too large and heavy, and the front and back surfaces of the plate have the difference of friction coefficients, so that the lower clamping piece outputs a rotating torque in the plate rotating process, and the plate is difficult to realize accurate positioning after the plate is rotated and started to stop under the condition that the upper clamping piece follows up, and the processing precision of the product is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provide one kind and utilized and pressed from both sides tight piece and press from both sides tight piece down and can synchronous revolution, can be with the accurate rotation of sheet material, pay-off numerical control that targets in place central sheet material clamping rotary mechanism of bending.
The technical scheme of the utility model is that: the numerical control bending center plate clamping and rotating mechanism comprises a C-shaped frame, an upper clamping device and a lower clamping device, wherein the C-shaped frame comprises an upper jaw opening and a lower jaw opening, the upper clamping device is arranged on the front end face of the upper jaw opening, the lower clamping device is arranged on the front end face of the lower jaw opening, and the upper clamping device and the lower clamping device are coaxial; the upper clamping device comprises a clamping rotating mechanism and a lifting mechanism,
the clamping and rotating mechanism comprises an upper rotating motor, an upper transmission shaft, an upper clamping block and an upper fixing support, the upper rotating motor, the upper transmission shaft and the upper clamping block are connected from top to bottom, the upper rotating motor is fixedly connected with the upper fixing support, and the upper fixing support is fixedly and fixedly connected above the front end face of the C-shaped rack.
The lifting mechanism comprises a sliding seat, a first connecting rod, a second connecting rod and a linear driving mechanism, the upper fixing support is fixedly connected with the front side of the sliding seat, and the back side of the sliding seat is connected with the upper part of the front end face of the C-shaped rack through a pair of linear sliding rails;
the back of the sliding seat is also provided with a hinge joint, and the hinge joint is positioned at the lower part of the back of the sliding seat and between the pair of linear sliding rails;
a cavity is arranged inside the upper part of the front end of the C-shaped frame, a first hinge point is arranged above the front part of the cavity, a second hinge point is arranged at the rear part of the cavity, and the hinge head extends into the front part of the cavity and is arranged below the hinge point;
the first connecting rod, the second connecting rod and the linear driving mechanism are accommodated in the cavity;
the tail end of the linear driving mechanism is hinged with the second hinge point;
one end of the first connecting rod is hinged with the first hinge point, one end of the second connecting rod is hinged with the hinge joint, and the other ends of the first connecting rod and the second connecting rod are hinged with the front end of the linear driving mechanism.
The lower clamping device comprises a lower rotating motor, a lower transmission shaft, a lower clamping block and a lower fixing support, the lower fixing support is fixedly installed below the front end face of the C-shaped rack, the lower rotating motor, the lower transmission shaft and the lower clamping block are connected from bottom to top, and the lower rotating motor is fixedly connected with the lower fixing support.
The linear driving mechanism is a cylinder or a hydraulic cylinder or an electric push rod.
The output shaft of the upper rotating motor is not on the same axis as the upper transmission shaft, a first transmission wheel is arranged on the output shaft of the upper rotating motor, a second transmission wheel is arranged at the upper end of the upper transmission shaft, and the first transmission wheel is connected with the second transmission wheel through a belt.
The corners of the upper clamping block and the lower clamping block are arc corners.
The utility model can realize the initial position setting of the upper clamping block; and secondly, the lifting mechanism is utilized to drive the upper clamping rotating mechanism to move up and down, so that the upper clamping block can clamp the processed plate between the upper clamping device and the lower clamping device, and the plate is clamped. Finally, when the plate is clamped, the upper clamping device and the lower clamping device are synchronously opened at the same angular speed, the same rotating torque is applied to the front surface and the back surface of the plate, the stress of the upper surface and the lower surface of the plate is consistent, the plate is not dislocated due to the influence of inertia in the rotating process, the plate can be stably and accurately turned and swung, and the position precision of processing is ensured.
Drawings
Figure 1 is a perspective view of the present invention,
figure 2 is a schematic structural view of the present invention,
figure 3 is a right side view of figure 2,
figure 4 is a cross-sectional view taken along line a-a of figure 3,
FIG. 5 is a partial enlarged view of portion B of FIG. 4;
in the figure, 1 is a C-shaped frame, 11 is a cavity, 111 is a first hinge point, 112 is a second hinge point, 21 is an upper rotating motor, 210 is a belt, 211 is a first transmission wheel, 22 is an upper fixing bracket, 23 is an upper transmission shaft, 231 is a second transmission wheel, 24 is an upper clamping block, 31 is a lower clamping block, 32 is a lower transmission shaft, 33 is a lower fixing bracket, 34 is a lower rotating motor, 41 is a sliding seat, 411 is a hinge joint, 42 is a first connecting rod, 43 is a second connecting rod, and 44 is a linear driving mechanism.
Detailed Description
The utility model is further explained with the attached figures 1-5, the utility model comprises a C-shaped frame 1, an upper clamping device and a lower clamping device, wherein the C-shaped frame 1 comprises an upper jaw opening and a lower jaw opening, the upper clamping device is arranged on the front end surface of the upper jaw opening, the lower clamping device is arranged on the front end surface of the lower jaw opening, and the upper clamping device and the lower clamping device are coaxial; the upper clamping device comprises a clamping rotating mechanism and a lifting mechanism,
clamping and rotating mechanism includes last rotating electrical machines 21, goes up transmission shaft 23, goes up and presss from both sides tight piece 24 and last fixed bolster 22, last rotating electrical machines 21, go up transmission shaft 23 and last clamp tight piece 24 and connect from top to bottom, go up rotating electrical machines 21 with go up fixed bolster 22 fixed connection, it is in to go up fixed bolster 22 fixed connection the top of the preceding terminal surface of C type frame 1. In the utility model, the initial position of the upper clamping block 24 can be set by utilizing the rotation of the upper rotating motor 21; secondly, the lifting mechanism is utilized to drive the upper clamping rotating mechanism to move up and down, so that the upper clamping block 24 can clamp the processed plate between the upper clamping device and the lower clamping device, and the plate is clamped. Finally, when the plate is clamped, the upper clamping device and the lower clamping device are synchronously opened at the same angular speed, the same rotating torque is applied to the front surface and the back surface of the plate, the stress of the upper surface and the lower surface of the plate is consistent, the plate is not dislocated due to the influence of inertia in the rotating process, the plate can be stably and accurately turned and swung, and the position precision of processing is ensured.
The lifting mechanism comprises a sliding seat 41, a first connecting rod 42, a second connecting rod 43 and a linear driving mechanism 44, the upper fixed support 22 is fixedly connected with the front surface of the sliding seat 41, and the back surface of the sliding seat 41 is connected with the upper part of the front end surface of the C-shaped rack 1 through a pair of linear sliding rails;
the rear surface of the sliding seat 41 is further provided with a hinge 411, and the hinge 411 is located at the lower part of the rear surface of the sliding seat 41 and between the pair of linear sliding rails;
a cavity 11 is arranged inside the upper part of the front end of the C-shaped frame 1, a first hinge point 111 is arranged above the front part of the cavity 11, a second hinge point 112 is arranged at the rear part of the cavity 11, and a hinge head 411 extends into the front part of the cavity 11 and is arranged below the first hinge point 111;
the first connecting rod 42, the second connecting rod 43 and the linear driving mechanism 44 are accommodated in the cavity 11;
the end of the linear driving mechanism 44 is hinged with the second hinge point 112;
one end of the first connecting rod 42 is hinged to the first hinge point 111, one end of the second connecting rod 43 is hinged to the hinge head 411, and the other ends of the first connecting rod 42 and the second connecting rod 43 are hinged to the front end of the linear driving mechanism 44. And stretching the first connecting rod 42 and the second connecting rod 43 by using the linear driving mechanism 44, wherein the first connecting rod 42 is used for balancing the tension of the linear driving mechanism 44, and the second connecting rod 43 is used for driving the sliding seat 41 to move up and down.
The lower clamping device comprises a lower rotating motor 34, a lower transmission shaft 32, a lower clamping block 31 and a lower fixing support 33, the lower fixing support 33 is fixedly installed below the front end face of the C-shaped rack 1, the lower rotating motor 34, the lower transmission shaft 32 and the lower clamping block 31 are connected from bottom to top, the lower rotating motor 34 is fixedly connected with the lower fixing support 33, the lower clamping block 31 is driven to rotate by the lower rotating motor 34, and the lower clamping block 31 can bear plates and drive the plates to rotate.
The linear driving mechanism 44 is an air cylinder or a hydraulic cylinder or an electric push rod, the linear driving mechanism 44 is used as a power source of the lifting mechanism, the linear driving mechanism 44, the first connecting rod 42, the second connecting rod 43 and the sliding seat 41 form a connecting rod mechanism, and the sliding seat 41 is dragged to move up and down by the telescopic piston rod of the linear driving mechanism 44.
The output shaft of the upper rotating motor 21 and the upper rotating shaft 23 are not on the same axis, a first driving wheel 211 is arranged on the output shaft of the upper rotating motor 21, a second driving wheel 231 is arranged at the upper end of the upper rotating shaft 23, the first driving wheel 211 and the second driving wheel 231 are connected through a belt 210, and the upper rotating shaft 23 and the lower rotating shaft 32 can be in the same axial direction by adjusting the length of the belt 210, so that the stress directions of the plates can be consistent, and the plates are more stable in rotation.
The corners of the upper clamping block 24 and the lower clamping block 31 are arc corners, and the arc corners can prevent sharp edges from extruding the plate material and damaging the smoothness of the surface of the plate material when the plate material is clamped.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (6)
1. The numerical control bending center plate clamping and rotating mechanism comprises a C-shaped frame, an upper clamping device and a lower clamping device, wherein the C-shaped frame comprises an upper jaw opening and a lower jaw opening, the upper clamping device is arranged on the front end face of the upper jaw opening, the lower clamping device is arranged on the front end face of the lower jaw opening, and the upper clamping device and the lower clamping device are coaxial;
it is characterized in that the upper clamping device comprises a clamping rotating mechanism and a lifting mechanism,
the clamping and rotating mechanism comprises an upper rotating motor, an upper transmission shaft, an upper clamping block and an upper fixing support, the upper rotating motor, the upper transmission shaft and the upper clamping block are connected from top to bottom, the upper rotating motor is fixedly connected with the upper fixing support, and the upper fixing support is fixedly and fixedly connected above the front end face of the C-shaped rack.
2. The numerical control bending center plate clamping and rotating mechanism according to claim 1, wherein the lifting mechanism comprises a sliding seat, a first connecting rod, a second connecting rod and a linear driving mechanism, the upper fixing support is fixedly connected with the front surface of the sliding seat, and the back surface of the sliding seat is connected with the upper part of the front end surface of the C-shaped frame through a pair of linear sliding rails;
the back of the sliding seat is also provided with a hinge joint, and the hinge joint is positioned at the lower part of the back of the sliding seat and between the pair of linear sliding rails;
a cavity is arranged inside the upper part of the front end of the C-shaped frame, a first hinge point is arranged above the front part of the cavity, a second hinge point is arranged at the rear part of the cavity, and the hinge head extends into the front part of the cavity and is arranged below the hinge point;
the first connecting rod, the second connecting rod and the linear driving mechanism are accommodated in the cavity;
the tail end of the linear driving mechanism is hinged with the second hinge point;
one end of the first connecting rod is hinged with the first hinge point, one end of the second connecting rod is hinged with the hinge joint, and the other ends of the first connecting rod and the second connecting rod are hinged with the front end of the linear driving mechanism.
3. The numerical control bending center plate clamping and rotating mechanism according to claim 1, wherein the lower clamping device comprises a lower rotating motor, a lower transmission shaft, a lower clamping block and a lower fixing support, the lower fixing support is fixedly installed below the front end face of the C-shaped frame, the lower rotating motor, the lower transmission shaft and the lower clamping block are connected from bottom to top, and the lower rotating motor is fixedly connected with the lower fixing support.
4. The numerical control bending center plate clamping and rotating mechanism according to claim 1, wherein the linear driving mechanism is an air cylinder or a hydraulic cylinder or an electric push rod.
5. The numerical control bending center plate clamping and rotating mechanism according to claim 1, wherein an output shaft of the upper rotating motor and the upper transmission shaft are not on the same axis, a first transmission wheel is arranged on the output shaft of the upper rotating motor, a second transmission wheel is arranged at the upper end of the upper transmission shaft, and the first transmission wheel and the second transmission wheel are connected through a belt.
6. The numerical control bending center plate clamping and rotating mechanism according to claim 1, wherein corners of the upper clamping block and the lower clamping block are arc corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876404.2U CN214976872U (en) | 2021-04-26 | 2021-04-26 | Numerical control bending center plate clamping rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876404.2U CN214976872U (en) | 2021-04-26 | 2021-04-26 | Numerical control bending center plate clamping rotating mechanism |
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| Publication Number | Publication Date |
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| CN214976872U true CN214976872U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120876404.2U Active CN214976872U (en) | 2021-04-26 | 2021-04-26 | Numerical control bending center plate clamping rotating mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160691A (en) * | 2022-02-11 | 2022-03-11 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
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2021
- 2021-04-26 CN CN202120876404.2U patent/CN214976872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160691A (en) * | 2022-02-11 | 2022-03-11 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
| CN114160691B (en) * | 2022-02-11 | 2022-05-06 | 瑞铁机床（苏州）股份有限公司 | Bending center front feeding equipment |
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