Bending device for special-shaped pipe
By designing a special-shaped pipe bending device that includes three-sided heating and hydraulic push cylinders, the problems of low bending accuracy and low efficiency of existing equipment are solved, and efficient and accurate pipe bending is achieved.
Patent Information
- Application Number
- CN202420596166.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The bending accuracy of existing special-shaped pipe bending equipment is insufficient, has low efficiency, is difficult, and cannot meet social needs.
A bending device for special-shaped pipes is designed, including a base, a fixed body, a guide groove, a moving seat, a heating device, a pushing mechanism and a monitoring device. The device heats the special-shaped pipes on three sides and uses hydraulic push cylinders and arc-shaped structures to achieve efficient bending, while real-time monitoring and adjustment of the bending angle through distance sensors and controllers.
It improves the bending efficiency and accuracy of special-shaped pipes, reduces the bending difficulty, and can complete the bending task of pipes faster and more accurately.
Smart Images
Figure CN222568910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipe processing, in particular to a bending device for special-shaped pipes. Background Art
[0002] Pipes are essential materials for construction projects, and commonly used ones include water pipes, drainage pipes, gas pipes, heating pipes, wire conduits, rainwater pipes, etc. With the development of science and technology, most pipes have also developed from metal materials to plastic materials. Now the processing of pipes mainly includes feeding, high-temperature molding, low-temperature vacuum shaping, traction fixation, cutting, stacking and other links. In actual life or industrial applications, some pipes need to cross a certain angle when they are installed. For this reason, pipes are now mostly bent to adapt to different installation environments.
[0003] Among them, the bending process of special-shaped pipes is generally carried out by mechanical bending equipment, including automatic bending machines and manual bending machines, and both automatic bending machines and manual bending machines adopt cold pressing bending process. This method of processing pipes is not accurate enough, and the bending efficiency is low and the bending difficulty is large, which cannot meet the needs of society. Therefore, a bending device for special-shaped pipes is urgently needed to solve the above technical problems. Utility Model Content
[0004] The utility model aims to overcome the problems in the background technology and provide a bending device for special-shaped pipes with high bending efficiency, low bending difficulty and high bending precision.
[0005] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts a technical solution specifically as follows: a bending device for special-shaped pipes, including a base, a fixed body is integrally provided on the upper side of the base, a guide groove is provided on one side of the fixed body, a movable seat for placing the special-shaped pipe is also provided on the upper side of the base, the movable seat is located in the guide groove, a reset mechanism is provided between the movable seat and the inner wall of the guide groove, the movable seat is an L-shaped structure away from the reset mechanism, the inner side wall of the L-shaped structure is provided with an arc groove, a heating device is provided on the movable seat, the heating device is used to heat the bending part of the special-shaped pipe, a pushing mechanism is provided on the upper side wall of the base opposite to the movable seat, the pushing mechanism is used to push and bend the special-shaped pipe placed on the movable seat, the bending device also includes a monitoring device, the monitoring device is used to measure and present the bending angle of the special-shaped pipe.
[0006] Furthermore, the heating device includes a bottom heater and a side heater, the side walls and bottom walls of the L-shaped structure of the movable seat are respectively provided with side mounting grooves and bottom mounting grooves, the bottom heater and side heaters are respectively arranged in the bottom mounting groove and the side mounting grooves, the bottom heater and the side heater can respectively heat the bottom and side of the special-shaped pipe, so that the bending efficiency is higher during the bending process.
[0007] Furthermore, a top plate is provided at the upper end of the fixed body, an electric telescopic rod is provided on the top plate, a heating box is installed at the lower end of the electric telescopic rod, an upper heater is provided at the bottom of the heating box, and the upper heater is opposite to the bottom heater up and down. Through the setting of the electric telescopic rod and the upper heater, it can be selected whether to heat the upper part of the special-shaped pipe.
[0008] Furthermore, the reset mechanism includes a spring groove arranged on the bottom wall of the guide groove, the bottom wall of the spring groove is connected to one end of the spring, the other end of the spring is connected to one side of the movable plate, the side of the movable plate away from the spring is connected to one end of the fixed rod, and the other end of the fixed rod is connected to the side wall of the movable seat. The setting of the reset mechanism can extend the heating time of the special-shaped pipe and make the special-shaped pipe easier to bend.
[0009] Furthermore, the movable plate is located inside the spring slot, and a limit block is arranged at the end of the spring slot. The limit block limits the movable plate to prevent the limit block from sliding out of the spring slot.
[0010] Furthermore, a limiting slide groove is arranged on the upper side of the base, and a limiting sliding block cooperating with the limiting slide groove is arranged on the bottom wall of the movable seat. The arrangement of the limiting slide groove and the limiting sliding block can play a guiding and limiting role in the movement of the movable seat.
[0011] Furthermore, the pushing mechanism includes a hydraulic push cylinder arranged on the upper side wall of the base, the shaft of the hydraulic push cylinder is connected to one end of the push rod, and the other end of the push rod is connected to a push block, and the push block is an arc-shaped structure close to the moving seat. The hydraulic push cylinder can drive the push block to push the special-shaped pipe and the moving seat through the push rod, and bend the special-shaped pipe. The extension and contraction direction of the hydraulic push cylinder, the compression direction of the spring and the sliding direction of the limit slider are coaxially arranged, so as to ensure the coaxial movement of the push block, the moving seat and the spring.
[0012] Furthermore, a vertical plate is provided between the base and the top plate, the push rod slides through the vertical plate, and the vertical plate serves as a limiting support for the push rod.
[0013] Furthermore, the monitoring device includes a control box and a distance sensor. The control box is arranged on the upper side of the base and has a controller inside. A display is arranged on the upper end of the control box. The distance sensor is arranged on the side wall of the vertical plate and has a horizontal height lower than the upper surface of the push block. The distance sensor is used to detect the extension distance of the push block. The distance sensor can detect the moving distance of the push block and transmit the detection data to the controller. The controller calculates the bending angle of the special-shaped pipe through internal calculations and transmits the bending angle data to the display in real time. The operator bends the required pipe by observing the changing bending angle on the display. Therefore, by setting up the monitoring device, the bending accuracy can be controlled and improved, so as to obtain the pipe with the required bending angle.
[0014] Furthermore, the signal output end of the distance sensor is connected to the signal input end of the controller, the signal output end of the controller is connected to the signal input end of the display, and the signal output end of the controller is connected to the control end of the electric telescopic rod (10).
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The bending device has high bending efficiency: the bending part of the special-shaped pipe is placed on the moving seat, and the bottom heater, side heater and upper heater will heat the bottom, side and upper surface of the bending part of the special-shaped pipe respectively. After the three sides of the special-shaped pipe are heated, the material of the bending part will soften, which is conducive to speeding up the bending speed of the pipe, improving the bending efficiency and reducing the bending difficulty; when the push block pushes the special-shaped pipe and the moving seat, the bottom and sides will continue to be heated, which is conducive to ensuring the bending efficiency and reducing the bending time.
[0017] 2. The bending device has high bending accuracy: the distance sensor will detect the moving distance of the push block in real time, and transmit the detected distance data to the controller. The controller can calculate the bending angle of the special-shaped pipe through internal conversion, and transmit the bending angle to the display in real time. The processing personnel can specifically control the bending angle of the pipe by observing the data on the display, which is conducive to improving the bending accuracy of the special-shaped pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0019] Figure 1 It is a schematic diagram of the main structure of an embodiment of the utility model.
[0020] Figure 2 for Figure 1 Enlarged schematic diagram of the middle part.
[0021] Figure 3 It is a front view schematic diagram of an embodiment of the utility model.
[0022] Figure 4 It is a top view schematic diagram of the moving seat and the pushing block in the embodiment of the utility model.
[0023] Figure 5 It is a schematic diagram of the heater pair in the utility model heating the pipe.
[0024] Figure 6 It is a schematic diagram of the push block pushing the pipe and the moving seat to move in the embodiment of the utility model.
[0025] Among them, the accompanying drawings are marked as follows: 1. base; 2. fixed body; 3. guide groove; 4. special-shaped pipe; 5. movable seat; 6. bottom heater; 7. side heater; 8. top plate; 9. upper heater; 10. electric telescopic rod; 11. spring groove; 12. spring; 13. movable plate; 14. fixed rod; 15. limit block; 16. limit slide groove; 17. limit slide block; 18. hydraulic push cylinder; 19. push rod; 20. push block; 21. push plate; 22. arc groove; 23. control box; 24. distance sensor; 25. display; 26. heating box. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. Of course, the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0027] Embodiment 1, as Figure 1-6 The present embodiment provides a bending device for special-shaped pipes, including a base 1, a fixed body 2 is integrally provided on the upper side of the base 1, a guide groove 3 is provided on one side of the fixed body 2, a movable seat 5 for placing the special-shaped pipe 4 is also provided on the upper side of the base 1, the movable seat 5 is located in the guide groove 3, a reset mechanism is provided between the movable seat 5 and the inner wall of the guide groove 3, the movable seat 5 is an L-shaped structure away from the reset mechanism, the inner side wall of the L-shaped structure is provided with an arc groove 22, a heating device is provided on the movable seat 5, the heating device is used to heat the bending part of the special-shaped pipe 4, a pushing mechanism is provided on the upper side wall of the base 1 opposite to the moving seat 5, the pushing mechanism is used to push and bend the special-shaped pipe 4 placed on the moving seat 5, the device also includes a monitoring device, the monitoring device is used to detect the moving distance of the push block 20, and through internal calculation, thereby obtaining the bending angle of the special-shaped pipe 4, and the bending angle data is presented in real time on the display 25.
[0028] Further, the heating device includes a bottom heater 6 and a side heater 7. The side walls and bottom walls of the L-shaped structure of the movable seat 5 are respectively provided with side mounting grooves and bottom mounting grooves. The bottom heater 6 and the side heater 7 are respectively arranged in the bottom mounting groove and the side mounting groove. The bottom heater 6 and the side heater 7 can heat the bottom and the side of the special-shaped pipe 4 respectively, so that the bending efficiency is higher during the bending process. A top plate 8 is arranged at the upper end of the fixed body 2, and an electric telescopic rod 10 is arranged on the top plate 8. A heating box 26 is installed at the lower end of the electric telescopic rod 10. An upper heater 9 is arranged at the bottom of the heating box 26. The upper heater 9 is opposite to the bottom heater 6 up and down. Through the arrangement of the electric telescopic rod 10 and the upper heater 9, it can be selected whether to heat the upper part of the special-shaped pipe 4. A limiting slide 16 is arranged on the upper side of the base 1, and a limiting slider 17 cooperating with the limiting slide 16 is arranged on the bottom wall of the movable seat 5. The arrangement of the limiting slide 16 and the limiting slider 17 can guide and limit the movement of the movable seat 5.
[0029] The reset mechanism includes a spring groove 11 arranged on the bottom wall of the guide groove 3, the bottom wall of the spring groove 11 is connected to one end of a spring 12, the other end of the spring 12 is connected to one side of a movable plate 13, the side of the movable plate 13 away from the spring 11 is connected to one end of a fixed rod 14, the other end of the fixed rod 14 is connected to the side wall of the movable seat 5, the setting of the reset mechanism can extend the heating time of the special-shaped pipe 4 and make the special-shaped pipe 4 easier to bend, the movable plate 13 is located inside the spring groove 11, and a limit block 15 is arranged at the end of the spring groove 11, the limit block 15 limits the movable plate 13 to prevent the limit block 15 from sliding out of the spring groove 11.
[0030] The pushing mechanism includes a hydraulic push cylinder 18 arranged on the upper side wall of the base 1. The shaft of the hydraulic push cylinder 18 is connected to one end of a push rod 19, and the other end of the push rod 19 is connected to a push block 20. The push block 20 is an arc-shaped structure close to the moving seat 5. The hydraulic push cylinder 18 can drive the push block 20 through the push rod 19 to push the special-shaped pipe 4 and the moving seat 5 to move, and perform a bending operation on the special-shaped pipe 4. The extension direction of the hydraulic push cylinder 18, the compression direction of the spring 12 and the sliding direction of the limit slider 17 are coaxially arranged, so that the push block 20, the moving seat 5 and the spring 12 can be ensured to move coaxially. A vertical plate 21 is arranged between the base 1 and the top plate 8. The push rod 19 slides through the vertical plate 21, and the vertical plate 21 plays a limiting support role for the push rod 19.
[0031] The device also includes a monitoring device, which includes a control box 23 and a distance sensor 24. The control box 23 is arranged on the upper side of the base 1, and a controller is arranged inside the control box 23. A display 25 is arranged on the upper end of the control box 23. The distance sensor 24 is arranged on the side wall of the vertical plate 21, and the horizontal height is lower than the upper surface of the push block 20. The distance sensor 24 is used to detect the extension distance of the push block 20. The distance sensor 24 can detect the moving distance of the push block 20 and transmit the detection data to the controller. The controller calculates the bending angle of the special-shaped pipe 4 through internal calculations, and transmits the bending angle data to the display 25 in real time. The operator bends the required pipe by observing the changing bending angle on the display 25. Therefore, by setting up the monitoring device, the bending accuracy can be controlled and improved, so as to obtain the pipe with the required bending angle. The signal output end of the distance sensor 24 is connected to the signal input end of the controller, and the signal output end of the controller is connected to the signal input end of the display 25. The signal output end of the controller is connected to the control end of the electric telescopic rod 10.
[0032] When in use, place the special-shaped pipe on the moving seat 5, start the electric telescopic rod 10 through the controller in the control box 23, the shaft of the electric telescopic rod 10 extends downward, the lower end of the heating box is close to the upper surface of the special-shaped pipe 4, the upper heater 9 heats the upper surface of the special-shaped pipe 4, and the bottom heater 6 and the side heater 7 heat the bottom and side of the special-shaped pipe 4 respectively. After heating for a certain period of time, turn off the upper heater 9, the electric telescopic rod 10 drives the heating box to reset upward, start the hydraulic push cylinder 18, the shaft of the hydraulic push cylinder 18 drives the push block 20 to move forward through the push rod 19, and the push block 20 contacts the special-shaped pipe 4 and pushes the special-shaped pipe 4. The pipe 4 and the movable seat 5 move backwards, and the movable seat 5 compresses the spring 12 through the fixed rod 14 and the movable plate 13. During the movement of the movable seat 5, the bottom and sides of the special-shaped pipe 4 are continuously heated. When the movable seat 5 contacts the inner wall of the guide groove 3, the special-shaped pipe 4 will be subjected to force and bend into the arc groove 22. During the bending process of the special-shaped pipe 4, the distance sensor 24 will monitor the moving distance of the push block 20 in real time and transmit the data to the controller. The controller will convert the data and transmit the calculated bending angle to the display 25. The staff can accurately control the bending angle of the special-shaped pipe 4 by checking the display 25.
[0033] Embodiment 2: On the basis of Embodiment 1, a top plate 8 can be set on the upper side of the movable base 1, and an upper heater 9 can be set on the lower side of the top plate 8, thereby replacing the electric telescopic rod 10 and the heating box, so that the upper part, side and bottom of the special-shaped pipe 4 can be heated at the same time and evenly, further improving the bending efficiency of the special-shaped pipe 4.
[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A bending device for special-shaped pipes, comprising a base (1), characterized in that: A fixed body (2) is integrally provided on the upper side of the base (1), a guide groove (3) is provided on one side of the fixed body (2), a movable seat (5) for placing a special-shaped pipe (4) is also provided on the upper side of the base (1), the movable seat (5) is located in the guide groove (3), a reset mechanism is provided between the movable seat (5) and the inner wall of the guide groove (3), the movable seat (5) is an L-shaped structure on the side away from the reset mechanism, the inner wall of the L-shaped structure is provided with an arc groove (22), a heating device is provided on the movable seat (5), the heating device is used to heat the bending part of the special-shaped pipe (4), a pushing mechanism is provided on the upper side wall of the base (1) opposite to the movable seat (5), the pushing mechanism is used to push and bend the special-shaped pipe (4) placed on the movable seat (5), and the bending device also includes a monitoring device, the monitoring device is used to measure and present the bending angle of the special-shaped pipe (4).
2. A bending device for special-shaped pipes according to claim 1, characterized in that: The heating device comprises a bottom heater (6) and a side heater (7); the side wall and the bottom wall of the L-shaped structure of the movable seat (5) are respectively provided with a side mounting groove and a bottom mounting groove; the bottom heater (6) and the side heater (7) are respectively arranged in the bottom mounting groove and the side mounting groove.
3. A bending device for special-shaped pipes according to claim 2, characterized in that: A top plate (8) is arranged at the upper end of the fixed body (2), an electric telescopic rod (10) is arranged on the top plate (8), a heating box (26) is installed at the lower end of the electric telescopic rod (10), an upper heater (9) is arranged at the bottom of the heating box (26), and the upper heater (9) and the bottom heater (6) are opposite to each other in vertical direction.
4. The bending device for special-shaped pipes according to claim 1, characterized in that: The reset mechanism comprises a spring groove (11) arranged on the bottom wall of the guide groove (3); the bottom wall of the spring groove (11) is connected to one end of a spring (12); the other end of the spring (12) is connected to one side of a movable plate (13); the side of the movable plate (13) away from the spring (12) is connected to one end of a fixed rod (14); the other end of the fixed rod (14) is connected to the side wall of the movable seat (5).
5. The bending device for special-shaped pipes according to claim 4, characterized in that: The movable plate (13) is located inside the spring slot (11), and a limit block (15) is provided at the end of the spring slot (11).
6. A bending device for special-shaped pipes according to claim 5, characterized in that: A limiting slide groove (16) is arranged on the upper side of the base (1), and a limiting sliding block (17) cooperating with the limiting slide groove (16) is arranged on the bottom wall of the movable seat (5).
7. A bending device for special-shaped pipes according to claim 6, characterized in that: The pushing mechanism comprises a hydraulic push cylinder (18) arranged on the upper side wall of the base (1); the shaft of the hydraulic push cylinder (18) is connected to one end of a push rod (19); the other end of the push rod (19) is connected to a push block (20); the push block (20) is an arc-shaped structure on the side close to the moving seat (5); the extension direction of the hydraulic push cylinder (18), the compression direction of the spring (12) and the sliding direction of the limit slider (17) are coaxially arranged.
8. The bending device for special-shaped pipes according to claim 7, characterized in that: A vertical plate (21) is provided between the base (1) and the top plate (8), and the push rod (19) slides through the vertical plate (21).
9. A bending device for special-shaped pipes according to claim 8, characterized in that: The monitoring device comprises a control box (23) and a distance sensor (24); the control box (23) is arranged on the upper side of the base (1) and has a controller therein; a display (25) is arranged at the upper end of the control box (23); the distance sensor (24) is arranged on the side wall of the vertical plate (21) and has a horizontal height lower than the upper surface of the push block (20); and the distance sensor (24) is used to detect the extension distance of the push block (20).
10. A bending device for special-shaped pipes according to claim 9, characterized in that: The signal output end of the distance sensor (24) is connected to the signal input end of the controller, the signal output end of the controller is connected to the signal input end of the display (25), and the signal output end of the controller is connected to the control end of the electric telescopic rod (10).