CN213613494U - Pipe bending machine - Google Patents
Pipe bending machine Download PDFInfo
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- CN213613494U CN213613494U CN202022181222.1U CN202022181222U CN213613494U CN 213613494 U CN213613494 U CN 213613494U CN 202022181222 U CN202022181222 U CN 202022181222U CN 213613494 U CN213613494 U CN 213613494U
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Abstract
The utility model relates to the technical field of pipe processing equipment, in particular to a pipe bending machine, which comprises a frame, a pipe bending mechanism, a limiting mechanism and a controller; the pipe bending mechanism comprises a rotating platform which is rotatably connected with the rack, a first clamping block and a pipe bending platform which are arranged on the rotating platform, a second clamping block which is connected with the pipe bending platform in a sliding way, a first hydraulic cylinder which is arranged on the pipe bending platform and used for pushing the second clamping block to the first clamping block, and a first distance sensor which is used for measuring the moving distance of the second clamping block; the limiting mechanism comprises a first limiting block, a second hydraulic cylinder and a second distance sensor, wherein the first limiting block is installed on the rack, the second limiting block is connected with the rack in a sliding mode, the second hydraulic cylinder is installed on the rack and used for pushing the second limiting block to the first limiting block, and the second distance sensor is used for measuring the moving distance of the second limiting block. Adopt the utility model discloses a bending machine, operating personnel need not to adjust the clamping degree of stop gear to tubular product before the return bend action, and operating time is short, easy operation, and work efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the tubular product processing equipment technique and specifically relates to a bending machine.
Background
No matter the automobile parts such as the bumper and the like or the electric gate, the pipe is needed to be used, and the pipe is bent into a designed shape through a pipe bending machine.
Most of pipe bending machines in the prior art include a frame, a pipe bending rotating table mounted on the frame, a first clamping mechanism mounted on the pipe bending rotating table, and a second clamping mechanism mounted on the frame. Wherein, first fixture need press from both sides the tight front portion of tubular product to realize the return bend under the effect of return bend revolving stage. When first fixture cooperation return bend revolving stage was to the tubular product return bend, second fixture played limiting displacement to the tubular product rear portion, prevented promptly that the tubular product rear portion from following the swing of return bend revolving stage, continued antedisplacement under the effect of return bend revolving stage in order to make the tubular product rear portion in order to play and prevent that tubular product portion of bending from crossing thin effect. Therefore, the first clamping mechanism and the second clamping mechanism are required to clamp the pipe in different degrees, namely the second clamping mechanism is looser than the first clamping mechanism. The clamping degree of the second clamping mechanism to the pipe needs to be repeatedly adjusted by an operator before the pipe bending action, the occupied operation time of the adjustment is long, the operation is troublesome, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a bending machine is provided, can automatic adjustment stop gear to the centre gripping degree of tubular product.
In order to solve the technical problem, the utility model discloses a pipe bending machine, which comprises a frame, a pipe bending mechanism, a limiting mechanism and a controller;
the pipe bending mechanism comprises a rotating table rotatably connected with the rack, a first clamping block and a pipe bending platform which are arranged on the rotating table, a second clamping block which is connected with the pipe bending platform in a sliding manner, a first hydraulic cylinder which is arranged on the pipe bending platform and used for pushing the second clamping block to the first clamping block, and a first distance sensor which is used for measuring the moving distance of the second clamping block;
the limiting mechanism comprises a first limiting block arranged on the rack, a second limiting block connected with the rack in a sliding manner, a second hydraulic cylinder arranged on the rack and used for pushing the second limiting block to the first limiting block, and a second distance sensor used for measuring the moving distance of the second limiting block;
the rotating platform, the first hydraulic cylinder, the first distance sensor, the second hydraulic cylinder and the second distance sensor are all electrically connected with the controller.
As an improvement of the scheme, the second clamping block is arranged between the first clamping block and the first distance sensor, and the second limiting block is arranged between the first limiting block and the second distance sensor.
As an improvement of the above scheme, the distance between the first distance sensor and the first clamping block is the same as the distance between the second distance sensor and the first limiting block.
As an improvement of the above scheme, when the rotary table is in an initial state, the clamping surface of the first clamping block coincides with the limiting surface of the first limiting block, and the moving direction of the second clamping block is parallel to the moving direction of the second limiting block.
As the improvement of above-mentioned scheme, the utility model discloses a bending machine still includes guiding mechanism, guiding mechanism include with frame sliding connection and install the mount pad that the second pneumatic cylinder output goes out and install the third pneumatic cylinder on the mount pad, the second stopper install at third pneumatic cylinder output department and with mount pad sliding connection, the flexible direction of second pneumatic cylinder is perpendicular with the flexible direction of third pneumatic cylinder, third pneumatic cylinder and controller electric connection.
As an improvement of the scheme, the first clamping block and the second clamping block are respectively provided with a clamping concave surface for clamping the side surface of the pipe, and the first limiting block and the second limiting block are respectively provided with a limiting concave surface for limiting the side surface of the pipe.
As an improvement of the scheme, the rotating platform is a hydraulic rotating cylinder with a controllable angle.
As the improvement of above-mentioned scheme, the utility model discloses a bending machine still includes the hydraulic pressure station, revolving stage, first pneumatic cylinder and second pneumatic cylinder are connected with the hydraulic pressure station through the pipeline respectively.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a bending machine passes through the frame, the revolving stage, first tight piece of clamp, the return bend platform, the tight piece of second clamp, first pneumatic cylinder, first distance sensor, first stopper, the second pneumatic cylinder, second distance sensor and controller mutually support, after first stopper presss from both sides tight tubular product front portion with the second stopper, the displacement distance of controller automatic control second stopper, make tubular product first stopper and second stopper slip relatively, operating personnel need not to adjust the clamping degree of stop gear to tubular product before the return bend action, operating time is short, easy operation, high work efficiency.
Drawings
Fig. 1 is a schematic top view of a pipe bender according to an embodiment of the present invention;
fig. 2 is a schematic front view of the pipe bending machine according to the embodiment of the present invention;
fig. 3 is a schematic structural view of the embodiment of the present invention in which the limiting mechanism is mounted on the frame;
fig. 4 is a schematic top view of the rotary table of the bending machine rotating 90 degrees according to the embodiment of the present invention;
fig. 5 is a schematic diagram of the connection of the controller according to the embodiment of the present invention.
In the figure: 1. a frame; 2. a pipe bending mechanism; 3. a limiting mechanism; 4. a controller; 21. a rotating table; 22. a first clamping block; 23. a pipe bending platform; 24. a second clamping block; 25. a first hydraulic cylinder; 26. a first distance sensor; 31. a first stopper; 32. a second limiting block; 33. a second hydraulic cylinder; 34. a second distance sensor; 5. a guide mechanism; 51. a mounting seat; 52. a third hydraulic cylinder; 6. and a hydraulic station.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea claimed in the present invention. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1 to 5, a pipe bending machine according to an embodiment of the present invention includes a frame 1, a pipe bending mechanism 2, a limiting mechanism 3, and a controller 4. The controller 4 preferably adopts a PLC, can execute logic operation, sequence control, timing and counting, controls the work of each part by changing the connection mode of the input end and the output end, improves the automation degree of the pipe bender, and is also provided with an operation platform (not shown in the figure), thereby facilitating the operation of operators.
The pipe bending mechanism 2 comprises a rotating platform 21 rotatably connected with the frame 1, a first clamping block 22 and a pipe bending platform 23 which are mounted on the rotating platform 21, a second clamping block 24 which is slidably connected with the pipe bending platform 23, a first hydraulic cylinder 25 which is mounted on the pipe bending platform 23 and used for pushing the second clamping block 24 to the first clamping block 22, and a first distance sensor 26 used for measuring the moving distance of the second clamping block 24, specifically, the rotating platform 21 is preferably a hydraulic rotating cylinder with a controllable angle, and the controllable bending angle of the pipe is realized. The limiting mechanism 3 comprises a first limiting block 31 installed on the frame 1, a second limiting block 32 connected with the frame 1 in a sliding manner, a second hydraulic cylinder 33 installed on the frame 1 and used for pushing the second limiting block 32 to the first limiting block 31, and a second distance sensor 34 used for measuring the moving distance of the second limiting block 32. The rotating platform 21, the first hydraulic cylinder 25, the first distance sensor 26, the second hydraulic cylinder 33 and the second distance sensor 34 are all electrically connected to the controller 4.
The utility model discloses a concrete theory of operation of bending machine as follows: as shown in fig. 1, in the initial state, the distance between the first clamping block 22 and the second clamping block 24 is the same as the distance between the first stopper 31 and the second stopper 32; after the pipe is placed, the first hydraulic cylinder 25 drives the second clamping block 24 to move towards the first clamping block 22, so that the first clamping block 22 and the second clamping block 24 clamp the front part of the pipe, and an operator confirms clamping at the controller 4; the first distance sensor 26 sends the detected distance data value X of the movement of the second clamping block 24 to the controller 4, and the controller 4 controls the second hydraulic cylinder 33 to drive the second limit block 32 to move towards the first limit block 31 by a distance value X-a; then the first clamping block 22 and the second clamping block 24 drive the front part of the pipe to rotate and cooperate with the rotating table 21 to realize the bending of the pipe.
It should be noted that, when the first clamping block 22 and the second clamping block 24 clamp the pipe, the pipe does not move relatively between the first clamping block 22 and the second clamping block 24 (i.e. the pipe cannot swing and slide), and the distance between the first clamping block 22 and the second clamping block 24 is B; when the first stopper 31 and the second stopper 32 clamp the pipe, the pipe can only slide back and forth between the first stopper 31 and the second stopper 32, and the distance between the first stopper 31 and the second stopper 32 is C; the values of B and C can be obtained by operators according to the material and the size of the pipe and field tests in the actual processing process and are correspondingly input into the controller 4, and the value of A is B-C.
In particular, the second gripping block 24 is preferably arranged between the first gripping block 22 and the first distance sensor 26, ensuring that the first distance sensor 26 is able to detect the movement distance of the second gripping block 24; the second stopper 32 is preferably disposed between the first stopper 31 and the second distance sensor 34, so as to ensure that the second distance sensor 34 can detect the moving distance of the second stopper 32.
In fact, the distance between the first distance sensor 26 and the first clamping block 22 is preferably the same as the distance between the second distance sensor 34 and the first stopper 31, so that the moving ranges of the second clamping block 24 and the second stopper 32 are the same.
When the rotating table 21 is in the initial state, the clamping surface of the first clamping block 22 preferably coincides with the limiting surface of the first limiting block 31, and the moving direction of the second clamping block 24 is preferably parallel to the moving direction of the second limiting block 32, so that the pipe to be bent is a long pipe.
The utility model discloses a bending machine passes through frame 1, revolving stage 21, first clamp piece 22, return bend platform 23, the second presss from both sides tight piece 24, first pneumatic cylinder 25, first distance sensor 26, first stopper 31, second stopper 32, second pneumatic cylinder 33, second distance sensor 34 and controller 4 mutually support, press from both sides tight anterior back of tubular product when first stopper 31 and second stopper 32, the displacement distance of 4 automatic control second stoppers 32 of controller, make tubular product first stopper 31 and second stopper 32 slide relatively, operating personnel need not to adjust the 3 clamping degree to tubular product of stop gear before the return bend action, operating time is short, easy operation, high work efficiency.
It is worth mentioning, the utility model discloses a bending machine still preferably includes guiding mechanism 5, guiding mechanism 5 includes with frame 1 sliding connection and installs at the mount pad 51 that the second pneumatic cylinder 33 output goes out and install the third pneumatic cylinder 52 on mount pad 51, second stopper 32 install at third pneumatic cylinder 52 output department and with mount pad 51 sliding connection, the flexible direction of second pneumatic cylinder 33 is perpendicular with the flexible direction of third pneumatic cylinder 52, third pneumatic cylinder 52 and 4 electric connection of controller. In the pipe bending process, the third cylinder drives the second limiting block 32 to move forwards towards the second clamping block 24, so that the pipe enters the rotating table 21 to be guided and limited, and the bending part of the pipe is prevented from being deformed. In fact, the first clamping block 22 and the second clamping block 24 are preferably provided with clamping concavities for clamping the side surfaces of the pipe to clamp the pipe, and the rotating table 21 is also provided with a bending concavity to bend the pipe; the first limiting block 31 and the second limiting block 32 are preferably provided with limiting concave surfaces for limiting the side surfaces of the pipes, so that the pipes are limited.
Furthermore, the utility model discloses a bending machine is still preferably including hydraulic pressure station 6, revolving stage 21, first pneumatic cylinder 25 and second pneumatic cylinder 33 are connected with hydraulic pressure station 6 through the pipeline respectively, and hydraulic pressure station 6 concentrates input/output hydraulic oil to revolving stage 21, first pneumatic cylinder 25 and second pneumatic cylinder 33, simplifies the structure of bending machine.
The above is only the concrete embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.
Claims (8)
1. A bending machine, its characterized in that: the pipe bending machine comprises a rack, a pipe bending mechanism, a limiting mechanism and a controller;
the pipe bending mechanism comprises a rotating table rotatably connected with the rack, a first clamping block and a pipe bending platform which are arranged on the rotating table, a second clamping block which is connected with the pipe bending platform in a sliding manner, a first hydraulic cylinder which is arranged on the pipe bending platform and used for pushing the second clamping block to the first clamping block, and a first distance sensor which is used for measuring the moving distance of the second clamping block;
the limiting mechanism comprises a first limiting block arranged on the rack, a second limiting block connected with the rack in a sliding manner, a second hydraulic cylinder arranged on the rack and used for pushing the second limiting block to the first limiting block, and a second distance sensor used for measuring the moving distance of the second limiting block;
the rotating platform, the first hydraulic cylinder, the first distance sensor, the second hydraulic cylinder and the second distance sensor are all electrically connected with the controller.
2. The bender according to claim 1, wherein: the second clamping block is arranged between the first clamping block and the first distance sensor, and the second limiting block is arranged between the first limiting block and the second distance sensor.
3. The bender according to claim 2, wherein: the distance between the first distance sensor and the first clamping block is the same as the distance between the second distance sensor and the first limiting block.
4. The bender according to claim 1, wherein: when the rotating table is in an initial state, the clamping surface of the first clamping block coincides with the limiting surface of the first limiting block, and the moving direction of the second clamping block is parallel to the moving direction of the second limiting block.
5. The bender according to claim 1, wherein: still include guiding mechanism, guiding mechanism include with frame sliding connection and install the mount pad that the second pneumatic cylinder output goes out and install the third pneumatic cylinder on the mount pad, the second stopper install at third pneumatic cylinder output department and with mount pad sliding connection, the flexible direction of second pneumatic cylinder is perpendicular with the flexible direction of third pneumatic cylinder, third pneumatic cylinder and controller electric connection.
6. The bender according to claim 5, wherein: the first clamping block and the second clamping block are both provided with clamping concave surfaces used for clamping the side surfaces of the pipes, and the first limiting block and the second limiting block are both provided with limiting concave surfaces used for limiting the side surfaces of the pipes.
7. The bender according to any of claims 1-6, wherein: the rotating platform is a hydraulic rotating cylinder with controllable angle.
8. The bender according to any of claims 1-6, wherein: still include the hydraulic pressure station, revolving stage, first pneumatic cylinder and second pneumatic cylinder are connected with the hydraulic pressure station through the pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181222.1U CN213613494U (en) | 2020-09-29 | 2020-09-29 | Pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181222.1U CN213613494U (en) | 2020-09-29 | 2020-09-29 | Pipe bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN213613494U true CN213613494U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022181222.1U Active CN213613494U (en) | 2020-09-29 | 2020-09-29 | Pipe bending machine |
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| Country | Link |
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| CN (1) | CN213613494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600653A (en) * | 2021-08-19 | 2021-11-05 | 湖南重源机械有限公司 | Elbow structure for pipe bending machine |
| CN115365342A (en) * | 2022-08-03 | 2022-11-22 | 南京卓耐重工机械制造有限公司 | Intelligent machining equipment for corrosion-resistant alloy material for bent pipe |
-
2020
- 2020-09-29 CN CN202022181222.1U patent/CN213613494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600653A (en) * | 2021-08-19 | 2021-11-05 | 湖南重源机械有限公司 | Elbow structure for pipe bending machine |
| CN115365342A (en) * | 2022-08-03 | 2022-11-22 | 南京卓耐重工机械制造有限公司 | Intelligent machining equipment for corrosion-resistant alloy material for bent pipe |
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