A high numerical control bending device for steel pipe furniture and a bending method thereof
By introducing the design of motor-driven half-gear rotation and screw thread movement in the steel pipe furniture bending device, the problems of low efficiency of steel pipe replacement and inconvenient bending angle are solved, and more efficient steel pipe replacement and precise angle control are achieved.
Patent Information
- Application Number
- CN202210121730.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-02-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2042-02-09
AI Technical Summary
The existing steel pipe furniture high CNC bending device has problems such as low efficiency in steel pipe replacement and inconvenient bending angle control.
A high CNC bending device including a frame, bearing, support shaft, support disc, drive mechanism, cylinder, bending mechanism and limit pin is designed. The half-gear rotation of the support disc is driven by the motor to rotate intermittently to convert the station. Improve the efficiency of steel pipe replacement, and move the pressing wheel and support through the thread movement of the screw and the hanging plate, achieving bend of steel pipes at different angles.
It improves the efficiency of steel pipe replacement and control accuracy of bending angle, avoiding the problems of steel pipe shutdown replacement and inconvenient bending angle.
Smart Images
Figure CN114558917B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of steel tube furniture processing, and specifically relates to a high-NC bending device for steel tube furniture and a bending method thereof. Background Art
[0002] Steel pipe furniture is furniture made of steel pipe as the main raw material. With the development of the current steel industry, more and more furniture is made of steel pipes, and steel pipe furniture is strong and simple. During the processing of steel pipe furniture, the steel pipe is bent by a high-NC bending device for steel pipe furniture. In the prior art, the high-NC bending device for steel pipe furniture has low efficiency in replacing steel pipes when in use, which affects the processing speed. At the same time, the bending angle of the steel pipe is not easy to control. Therefore, it is necessary to improve the prior art. Summary of the invention
[0003] The purpose of the present invention is to provide a high-NC bending device for steel pipe furniture and a bending method thereof in order to solve the above-mentioned problems, thereby solving the problems mentioned in the background technology.
[0004] In order to solve the above problems, the present invention provides a technical solution:
[0005] A high-CNC bending device for steel pipe furniture and a bending method thereof, comprising a frame, a bearing, a support shaft, a support plate, a support mechanism, a driving mechanism, a cylinder, a cylinder rod, a bending mechanism, a connecting sleeve and a limit pin, wherein the frame is fixedly sleeved with a bearing, the bearing is fixedly sleeved with a support shaft, the support shaft is welded with a support plate, the support plate is provided with a supporting mechanism, the frame is provided with a driving mechanism, the frame is fixedly mounted with a cylinder, the cylinder rod of the cylinder is slidably connected to the frame, the cylinder rod is provided with a bending mechanism, and the outer side of the cylinder rod is slidably connected with a connecting sleeve.
[0006] Preferably, the side wall of the connecting sleeve is slidably connected with a limit pin, and the limit pin and the cylinder rod are connected by threads. The connecting sleeve and the cylinder rod are connected by setting the limit pin.
[0007] Preferably, the support mechanism includes a side plate, a support wheel, a support plate, a cylinder, a slide bar, a spring and a guide wheel. The side plate is welded to the support plate, a support wheel is arranged on the side plate, a support plate is slidably connected inside the side plate, a cylinder is welded on the support plate, a slide bar is slidably connected inside the cylinder, the slide bar is welded to the support plate, a spring is arranged inside the cylinder, one end of the spring is welded to the support plate, the other end of the spring is welded to the slide bar, and a guide wheel is arranged on the support plate. By arranging the spring to act on the support plate, the support plate is supported, and then the guide wheel supports the pipe fitting, so that the pipe fitting is stably placed.
[0008] Preferably, the driving mechanism comprises a motor, a rotating shaft, a half gear, a gear, a support cylinder, a support rod, a compression spring, a positioning block and a positioning groove. The motor and the frame are fixedly installed, the rotating shaft of the motor and the frame are rotatably connected, a half gear is welded on the rotating shaft, the gear and the support shaft are fixedly sleeved, the support cylinder and the frame are welded, a support rod is slidably connected in the support cylinder, a compression spring is arranged in the support cylinder, a positioning block is welded on the support rod, a positioning groove is provided on the support plate, and a positioning block is slidably connected in the positioning groove. The motor drives the half gear to rotate, so that the half gear and the gear cooperate to drive the support plate to rotate intermittently to perform station conversion, thereby avoiding shutdown for replacement of pipe fittings, thereby making the replacement efficiency of pipe fittings higher.
[0009] Preferably, one end of the compression spring contacts the frame, and the other end of the compression spring contacts the support rod. The support rod is supported by providing the compression spring.
[0010] Preferably, the bending mechanism includes a hanging plate, a screw, a rotating disk, a support sleeve, a support pin, an annular groove, a support, a pressure wheel and a guide rod, the hanging plate is in contact with the cylinder rod, the hanging plate is welded to the connecting sleeve, a screw is threadedly connected inside the hanging plate, the outer side of the screw is rotatably connected to the support sleeve, the side wall of the support sleeve is threadedly connected to the support pin, the side wall of the screw is provided with an annular groove, the annular groove is slidably connected to the support pin, a support is welded on the support sleeve, and a pressure wheel is arranged on the support. By rotating the screw and the hanging plate to make a threaded motion, the support is moved, so that the distance between the pressure wheel and the hanging plate changes, so that the device can easily bend the pipe fitting into different angles.
[0011] Preferably, a rotating disk is welded on the screw rod, and the rotating disk is in contact with the hanging plate. By arranging the rotating disk, the screw rod is easy to rotate.
[0012] Preferably, a guide rod is welded on the support, and the guide rod is slidably connected to the hanging plate. The movement of the support is guided by providing the guide rod.
[0013] A bending method of a high-precision numerical control bending device for steel pipe furniture, the specific steps comprising:
[0014] Step 1: Place the pipe fitting on the support wheel, the pipe fitting contacts the guide wheel, and then start the motor, the motor starts the shaft to rotate, the shaft drives the half gear to rotate, when the half gear rotates and contacts the gear, the half gear drives the gear to rotate, the gear drives the support shaft to rotate, the support shaft drives the support plate to rotate, and the support plate drives the support mechanism to perform station conversion;
[0015] Step 2: The support plate rotates to disengage the positioning block from the positioning groove, so that the positioning block drives the support rod into the support tube, so that the compression spring is compressed. When the half gear rotates to disengage from the gear, the positioning block slides to the next positioning groove on the support plate, and the compression spring resets to allow the positioning block to enter the positioning groove, thereby limiting the support plate, and completing the conversion of the workstation.
[0016] Step 3: Then rotate the screw according to the required bending angle, and the screw and the hanging plate make a threaded motion, so that the screw moves, the movement of the screw drives the support to move, and the movement of the support drives the pressing wheel to move, so that the pressing depth of the pressing wheel changes, and the pipe can be bent into different angles;
[0017] Step 4: Start the cylinder, the cylinder starts to extend the cylinder rod, the cylinder rod drives the connecting sleeve to move, the connecting sleeve drives the hanging plate to move, the hanging plate drives the screw to move, the screw drives the support to move, the support drives the pressure wheel to move, the pressure wheel moves and contacts the pipe fitting, so that the pipe fitting is bent with the support wheel as the fulcrum. During the bending process of the pipe fitting, the pipe fitting presses the guide wheel downward, causing the support plate to move downward, thereby compressing the spring.
[0018] The beneficial effects of the present invention are as follows: the present invention relates to a high-NC bending device for steel tube furniture and a bending method thereof, which has the characteristics of high steel tube replacement efficiency and convenient control of the steel tube bending angle. In specific use, compared with the traditional high-NC bending device for steel tube furniture and a bending method thereof, the high-NC bending device for steel tube furniture and a bending method thereof have the following two beneficial effects:
[0019] Firstly, by setting up structures such as a motor, a rotating shaft, a half gear, a gear, a support tube, a support rod, a compression spring, a positioning block, and a positioning groove, the motor drives the half gear to rotate, so that the half gear and the gear cooperate to drive the support plate to rotate intermittently for station conversion, thereby avoiding shutdown for replacement of pipe fittings, thereby making the replacement efficiency of pipe fittings higher.
[0020] Secondly, by setting up structures such as hanging plates, screws, turntables, support sleeves, supports, pressure wheels, guide rods, etc., the screws and hanging plates are rotated to make threaded movements, thereby moving the supports and changing the distance between the pressure wheels and the hanging plates, making it easier for the device to bend the pipes into different angles. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.
[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0023] Figure 2 For the present invention Figure 1 The cross-sectional view of the cylinder;
[0024] Figure 3 For the present invention Figure 1 Left view of the support plate in;
[0025] Figure 4 For the present invention Figure 1 A in the enlarged view;
[0026] Figure 5 For the present invention Figure 1 Left view of the hanging plate in;
[0027] Figure 6 For the present invention Figure 5 Enlarged view of point B in .
[0028] In the figure: 1. frame; 2. bearing; 3. support shaft; 4. support plate; 5. support mechanism; 51. side plate; 52. support wheel; 53. support plate; 54. cylinder; 55. slide rod; 56. spring; 57. guide wheel; 6. driving mechanism; 61. motor; 62. rotating shaft; 63. half gear; 64. gear; 65. support cylinder; 66. support rod; 67. compression spring; 68. positioning block; 69. positioning groove; 7. cylinder; 8. cylinder rod; 9. bending mechanism; 91. hanging plate; 92. screw; 93. turntable; 94. support sleeve; 95. support pin; 96. ring groove; 97. support; 98. pressure wheel; 99. guide rod; 10. connecting sleeve; 11. limit pin. DETAILED DESCRIPTION
[0029] like Figure 1-6 As shown, this specific implementation adopts the following technical solutions: Example
[0030] A high-NC bending device for steel pipe furniture comprises a frame 1, a bearing 2, a support shaft 3, a support plate 4, a support mechanism 5, a driving mechanism 6, a cylinder 7, a cylinder rod 8, a bending mechanism 9, a connecting sleeve 10 and a limit pin 11. The frame 1 is fixedly sleeved with the bearing 2, the bearing 2 is fixedly sleeved with the support shaft 3, the support plate 4 is welded on the support shaft 3, the support plate 4 is provided with the supporting mechanism 5, the frame 1 is provided with the driving mechanism 6, the frame 1 is fixedly mounted with the cylinder 7, the cylinder rod 8 of the cylinder 7 is slidably connected to the frame 1, the cylinder rod 8 is provided with the bending mechanism 9, and the outer side of the cylinder rod 8 is slidably connected with a connecting sleeve 10.
[0031] The side wall of the connecting sleeve 10 is slidably connected with a limit pin 11, and the limit pin 11 is threadedly connected to the cylinder rod 8. The connecting sleeve 10 and the cylinder rod 8 are connected by setting the limit pin 11.
[0032] The support mechanism 5 includes a side plate 51, a support wheel 52, a support plate 53, a cylinder 54, a slide bar 55, a spring 56 and a guide wheel 57. The side plate 51 is welded to the support disk 4. The side plate 51 is provided with a support wheel 52. The support plate 53 is slidably connected in the side plate 51. The support plate 53 is welded with a cylinder 54. The slide bar 55 is slidably connected in the cylinder 54. The slide bar 55 is welded to the support disk 4. The cylinder 54 is provided with a spring 56. One end of the spring 56 is welded to the support plate 53. The other end of the spring 56 is welded to the slide bar 55. The support plate 53 is provided with a guide wheel 57. The spring 56 is provided to act on the support plate 53 to support the support plate 53, so that the guide wheel 57 supports the pipe fittings, so that the pipe fittings are stably placed.
[0033] The driving mechanism 6 includes a motor 61, a rotating shaft 62, a half gear 63, a gear 64, a support tube 65, a support rod 66, a compression spring 67, a positioning block 68 and a positioning groove 69. The motor 61 is fixedly installed with the frame 1, the rotating shaft 62 of the motor 61 is rotatably connected with the frame 1, a half gear 63 is welded on the rotating shaft 62, the gear 64 is fixedly sleeved with the support shaft 3, the support tube 65 is welded with the frame 1, a support rod 66 is slidably connected in the support tube 65, a compression spring 67 is arranged in the support tube 65, a positioning block 68 is welded on the support rod 66, a positioning groove 69 is provided on the support plate 4, and a positioning block 68 is slidably connected in the positioning groove 69. The motor 61 drives the half gear 63 to rotate, so that the half gear 63 and the gear 64 cooperate to drive the support plate 4 to rotate intermittently to perform station conversion, thereby avoiding the shutdown of the pipe fittings for replacement, thereby making the replacement efficiency of the pipe fittings higher.
[0034] One end of the compression spring 67 is in contact with the frame 1, and the other end of the compression spring 67 is in contact with the support rod 66. The support rod 66 is supported by providing the compression spring 67.
[0035] The bending mechanism 9 includes a hanging plate 91, a screw 92, a rotating disk 93, a support sleeve 94, a support pin 95, an annular groove 96, a support 97, a pressure wheel 98 and a guide rod 99. The hanging plate 91 is in contact with the cylinder rod 8, and the hanging plate 91 is welded with the connecting sleeve 10. The hanging plate 91 is connected with a screw 92 by threading, and the outer side of the screw 92 is rotatably connected with a support sleeve 94. The side wall of the support sleeve 94 is connected with a support pin 95 by threading. The side wall of the screw 92 is provided with an annular groove 96, and the support pin 95 is slidably connected in the annular groove 96. A support 97 is welded on the support sleeve 94, and a pressure wheel 98 is arranged on the support 97. By rotating the screw 92 and the hanging plate 91 to make a threaded motion, the support 97 is moved, and the distance between the pressure wheel 98 and the hanging plate 91 changes, so that the device is convenient for bending the pipe fitting into different angles.
[0036] A rotating disk 93 is welded on the screw rod 92, and the rotating disk 93 is in contact with the hanging plate 91. By providing the rotating disk 93, the screw rod 92 is easy to rotate.
[0037] A guide rod 99 is welded on the support 97, and the guide rod 99 is slidably connected to the hanging plate 91. The movement of the support 97 is guided by providing the guide rod 99.
[0038] A bending method of a high-precision numerical control bending device for steel pipe furniture, the specific steps comprising:
[0039] Step 1: Place the pipe on the support wheel 52, the pipe contacts the guide wheel 57, and then start the motor 61, the motor 61 starts the shaft 62 to rotate, the shaft 62 drives the half gear 63 to rotate, when the half gear 63 rotates and contacts the gear 64, the half gear 63 drives the gear 64 to rotate, the gear 64 drives the support shaft 3 to rotate, the support shaft 3 drives the support plate 4 to rotate, and the support plate 4 drives the support mechanism 5 to perform station conversion;
[0040] Step 2: The support plate 4 rotates to disengage the positioning block 68 from the positioning slot 69, so that the positioning block 68 drives the support rod 66 into the support tube 65, so that the compression spring 67 is compressed. When the half gear 63 rotates to disengage from the gear 64, the positioning block 68 slides to the next positioning slot 69 on the support plate 4, and the compression spring 67 is reset to make the positioning block 68 enter the positioning slot 69, thereby limiting the support plate 4, and completing the conversion of the workstation;
[0041] Step 3: Then, the screw rod 92 is rotated according to the required bending angle, and the screw rod 92 and the hanging plate 91 perform threaded motion, so that the screw rod 92 moves, and the movement of the screw rod 92 drives the support 97 to move, and the movement of the support 97 drives the pressing wheel 98 to move, thereby changing the pressing depth of the pressing wheel 98, and the pipe fitting can be bent into different angles;
[0042] Step 4: Start the cylinder 7, which starts the cylinder rod 8 to extend. The cylinder rod 8 drives the connecting sleeve 10 to move, the connecting sleeve 10 drives the hanging plate 91 to move, the hanging plate 91 drives the screw 92 to move, the screw 92 drives the support 97 to move, the support 97 drives the pressure wheel 98 to move, the pressure wheel 98 moves and contacts the pipe fitting, so that the pipe fitting is bent with the support wheel 52 as the fulcrum. During the bending process of the pipe fitting, the pipe fitting presses the guide wheel 57 downward, so that the support plate 53 moves downward, and then the spring 56 is compressed.
[0043] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A high-precision numerical control bending device for steel pipe furniture, comprising a frame (1), a bearing (2), a support shaft (3), a support plate (4), a support mechanism (5), a driving mechanism (6), a cylinder (7), a cylinder rod (8), a bending mechanism (9), a connecting sleeve (10) and a limit pin (11), characterized in that: A bearing (2) is fixedly sleeved in the frame (1), a support shaft (3) is fixedly sleeved in the bearing (2), a support plate (4) is welded to the support shaft (3), a support mechanism (5) is provided on the support plate (4), a driving mechanism (6) is provided on the frame (1), a cylinder (7) is fixedly mounted on the frame (1), a cylinder rod (8) of the cylinder (7) is slidably connected to the frame (1), a bending mechanism (9) is provided on the cylinder rod (8), and a connecting sleeve (10) is slidably connected to the outer side of the cylinder rod (8); The support mechanism (5) comprises a side plate (51), a support wheel (52), a support plate (53), a cylinder (54), a sliding rod (55), a spring (56) and a guide wheel (57); the side plate (51) and the support plate (4) are welded; the side plate (51) is provided with a support wheel (52); the side plate (51) is slidably connected with the support plate (53); the cylinder (54) is welded with the support plate (53); the cylinder (54) is slidably connected with the sliding rod (55); the sliding rod (55) and the support plate (4) are welded; the cylinder (54) is provided with a spring (56); one end of the spring (56) is welded with the support plate (53); the other end of the spring (56) is welded with the sliding rod (55); and the support plate (53) is provided with a guide wheel (57); The bending mechanism (9) comprises a hanging plate (91), a screw rod (92), a rotating disk (93), a supporting sleeve (94), a supporting pin (95), a ring groove (96), a support (97), a pressure wheel (98) and a guide rod (99); the hanging plate (91) is in contact with the cylinder rod (8); the hanging plate (91) and the connecting sleeve (10) are welded; the hanging plate (91) is connected to the screw rod (92) via a thread; the outer side of the screw rod (92) is rotatably connected to the supporting sleeve (94); the side wall of the supporting sleeve (94) A support pin (95) is connected by a thread, a side wall of the screw rod (92) is provided with an annular groove (96), a support pin (95) is slidably connected in the annular groove (96), a support sleeve (94) is welded with a support seat (97), a pressure wheel (98) is arranged on the support seat (97), a rotating disk (93) is welded on the screw rod (92), the rotating disk (93) is in contact with the hanging plate (91), a guide rod (99) is welded on the support seat (97), and the guide rod (99) is slidably connected to the hanging plate (91); The driving mechanism (6) comprises a motor (61), a rotating shaft (62), a half gear (63), a gear (64), a supporting tube (65), a supporting rod (66), a compression spring (67), a positioning block (68) and a positioning groove (69); the motor (61) and the frame (1) are fixedly mounted; the rotating shaft (62) of the motor (61) and the frame (1) are rotatably connected; the half gear (63) is welded on the rotating shaft (62); the gear (64) and the supporting shaft (3) are fixedly sleeved; the supporting tube (65) and the frame (1) are welded; the supporting tube (65) is slidably connected with the supporting rod (66); the supporting tube (65) is provided with a compression spring (67); the supporting rod (66) is welded with a positioning block (68); the supporting plate (4) is provided with a positioning groove (69); the positioning block (68) is slidably connected with the positioning groove (69).
2. The high-speed CNC bending device for steel pipe furniture according to claim 1 is characterized in that: The side wall of the connecting sleeve (10) is slidably connected to a limit pin (11), and the limit pin (11) and the cylinder rod (8) are connected via threads.
3. The high-speed CNC bending device for steel pipe furniture according to claim 1 is characterized in that: One end of the compression spring (67) contacts the frame (1), and the other end of the compression spring (67) contacts the support rod (66).
4. The bending method of a high-speed numerical control bending device for steel pipe furniture according to any one of claims 1 to 3, characterized in that: The specific steps include: Step 1: Place the pipe on the support wheel (52), so that the pipe contacts the guide wheel (57), and then start the motor (61). The motor (61) starts the rotating shaft (62) to rotate, and the rotating shaft (62) drives the half gear (63) to rotate. When the half gear (63) rotates and contacts the gear (64), the half gear (63) drives the gear (64) to rotate, and the gear (64) drives the support shaft (3) to rotate. The support shaft (3) drives the support plate (4) to rotate, and the support plate (4) drives the support mechanism (5) to perform a workstation conversion. Step 2: The support plate (4) rotates to disengage the positioning block (68) and the positioning groove (69), so that the positioning block (68) drives the support rod (66) to enter the support tube (65), so that the compression spring (67) is compressed. When the half gear (63) rotates to disengage from the gear (64), the positioning block (68) slides on the support plate (4) to the next positioning groove (69), and the compression spring (67) is reset to make the positioning block (68) enter the positioning groove (69), thereby limiting the support plate (4), and completing the conversion of the workstation. Step 3: Then, the screw rod (92) is rotated according to the required bending angle, and the screw rod (92) and the hanging plate (91) perform a threaded motion, so that the screw rod (92) moves, and the movement of the screw rod (92) drives the support (97) to move, and the movement of the support (97) drives the pressing wheel (98) to move, thereby changing the pressing depth of the pressing wheel (98), so that the pipe fitting can be bent into different angles; Step 4: Start the air cylinder (7), the air cylinder (7) starts the air cylinder rod (8) to extend, the air cylinder rod (8) drives the connecting sleeve (10) to move, the connecting sleeve (10) drives the hanging plate (91) to move, the hanging plate (91) drives the screw rod (92) to move, the screw rod (92) drives the support (97) to move, the support (97) drives the pressing wheel (98) to move, the pressing wheel (98) moves and contacts the pipe fitting, so that the pipe fitting is bent with the supporting wheel (52) as the fulcrum. During the bending process of the pipe fitting, the pipe fitting presses the guide wheel (57) downward, so that the supporting plate (53) moves downward, and the spring (56) is compressed.