Automatic feeding device for pipe thickening machine
By introducing linear guide rails and a servo motor-driven pipe clamping mechanism into the pipe thickening machine's feeding device, combined with a liftable V-shaped seat and V-shaped wheel, the problems of axial offset of pipe and slow feeding speed in the existing technology are solved, achieving high-precision and stable pipe conveying.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU SHUANGMA DRILLING TOOLS CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-06-30
AI Technical Summary
The existing pipe thickening machine feeding device suffers from axial offset and slow feeding speed when conveying long pipes, resulting in insufficient positioning accuracy and stability.
The pipe feeding and clamping mechanism, driven by linear guide rails and servo motors, combined with liftable V-shaped seats and V-shaped wheels, achieves high-precision positioning and stable conveying. Through the cooperation of the gripper mechanism and the moving bracket assembly, the axial stability and speed of the pipe material are ensured during the conveying process.
It improves the positioning accuracy and stress stability of pipe materials during the conveying process, avoids axial deviation, and achieves efficient pipe material conveying.
Smart Images
Figure CN224429002U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of feeding device technology, and in particular to an automatic feeding device for a pipe thickening machine. Background Technology
[0002] In existing technologies, pipes are positioned and axially conveyed to the medium-frequency heating furnace of the thickening machine using a pipe thickening feeding device. For longer pipes, precise axial positioning and rapid conveying are key factors in improving feeding quality. Existing technologies often employ V-shaped wheels and linear drive mechanisms for unloading, which can easily cause axial displacement of the pipe during feeding, and also results in slow feeding speed and low efficiency. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides an automatic feeding device for a pipe thickening machine, aiming to improve the positioning accuracy and the stability of the pipe under stress during the conveying process.
[0004] The technical solution adopted in this utility model is as follows:
[0005] An automatic feeding device for a pipe thickening machine includes:
[0006] The upper support is connected to the lower support via a lifting mechanism, which drives the upper support to move up and down; the upper support is equipped with a linear guide rail.
[0007] A fixed bracket assembly, which is fixedly mounted on one end of the upper bracket, includes a fixed base plate and liftable V-shaped wheels mounted thereon;
[0008] A movable bracket assembly, which slides with the linear guide rail via a movable base plate, wherein the movable base plate is provided with a liftable first V-shaped seat;
[0009] The tube feeding clamping mechanism slides with the linear guide rail through a clamping base plate. The clamping base plate is provided with a linear drive mechanism, a gripper mechanism and a liftable second V-shaped seat. The linear drive mechanism is used to drive the clamping base plate to move. The gripper mechanism and the liftable second V-shaped seat are arranged parallel to each other along the feeding direction and are spaced apart. The clamping center of the gripper mechanism is coaxial with the center of the second V-shaped seat.
[0010] The clamping base plate is connected to the movable base plate via a first connector;
[0011] The lower bracket is fixedly mounted on the mounting surface.
[0012] The preferred technical solution is as follows:
[0013] The linear drive mechanism includes a servo motor, the output of which is connected to a rack and pinion via a gear transmission mechanism, and the rack and pinion are disposed inside the upper support.
[0014] The movable bracket assembly is located between the pipe feeding clamping mechanism and the fixed bracket assembly; the clamping base plate is connected to the movable base plate via a first pull rod.
[0015] The gripper mechanism includes a two-jaw synchronous gripper, with a gripper connected to each end.
[0016] The V-shaped wheel, the first V-shaped seat, and the second V-shaped seat are respectively driven by a manual assembly for lifting and lowering. The manual assembly includes a handwheel, a gear transmission assembly, and a screw. The handwheel is connected to an input horizontal shaft, which is connected to the input gear of the gear transmission assembly. The output gear of the gear transmission assembly is connected to the lower end of the screw. The upper end of the screw is connected to the fixed base plate, the movable base plate, or the clamping base plate to be driven.
[0017] It also includes a guide assembly, which includes a vertical guide rail seat and a connecting frame. The vertical guide rail seat is fixedly mounted on the lower support, and the connecting frame is mounted on the upper support. The connecting frame is provided with two sets of rollers, which are used to roll and cooperate with the vertical guide rail seat respectively.
[0018] The vertical guide rail seat has a protrusion on the surface for rolling cooperation with the two sets of rollers, and the rollers have two protruding limiting rings, which are located on both sides of the protrusion.
[0019] The lifting mechanism includes a lifting cylinder and at least one set of lifting components; the cylinder body of the lifting cylinder is fixedly installed, and the output end is connected to the upper support; the lifting components include a lower synchronous shaft, a lower connecting rod, an intermediate synchronous shaft, an upper connecting rod, and an upper synchronous shaft, with both ends of the lower synchronous shaft respectively located in the lower bearing seats on both sides of the upper support, and both ends of the upper synchronous shaft respectively located in the upper bearing seats on both sides of the lower support, with both ends of the lower connecting rod connected to the lower synchronous shaft and the intermediate synchronous shaft respectively, and both ends of the upper connecting rod connected to the intermediate synchronous shaft and the upper synchronous shaft respectively.
[0020] Multiple lifting assemblies are spaced apart along the feeding direction, and the intermediate synchronous shafts of two adjacent lifting assemblies are connected by connectors.
[0021] Limiting components are provided at both ends of the linear guide rail.
[0022] The technical solution of this utility model can achieve at least some of the following beneficial effects:
[0023] The pipe feeding clamping mechanism, the movable bracket assembly, and the fixed bracket assembly of this utility model form a support surface for the pipe material. The fixed bracket assembly supports and rolls the pipe material at one end of the conveying path, the pipe feeding clamping mechanism clamps the pipe material at the other end of the conveying path, and the movable bracket assembly supports the pipe material in the middle of the conveying path. At the same time, the pipe feeding clamping mechanism and the movable bracket assembly are connected into a whole by the first connector, so that the distance between the two corresponding support surfaces remains constant, which improves the stress stability of the pipe material during the conveying process and avoids axial displacement of the pipe material during the conveying process.
[0024] The linear drive mechanism of the tube feeding clamping mechanism of this utility model adopts a servo motor, which realizes high-precision positioning control and feeding speed.
[0025] The V-shaped wheel, the first V-shaped seat, and the second V-shaped seat of this utility model can be adjusted in height by manual components. After coarse adjustment control of the lifting mechanism, fine adjustment of the height can be achieved, which improves the positioning accuracy and is suitable for positioning and conveying pipes of different specifications.
[0026] Other features and advantages of this invention will be set forth in the following description or may be learned by practicing this invention. Attached Figure Description
[0027] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model.
[0028] Figure 2 This is a schematic diagram of the pipe clamping mechanism according to an embodiment of the present invention.
[0029] Figure 3 This is a structural schematic diagram of the movable bracket assembly according to an embodiment of the present utility model.
[0030] Figure 4 This is a structural schematic diagram of the fixed bracket assembly according to an embodiment of the present utility model.
[0031] Figure 5 This is a schematic diagram of the structure of the guide component according to an embodiment of the present utility model.
[0032] Figure 6 for Figure 1 The main view.
[0033] Figure 7 for Figure 6 Enlarged view of section A.
[0034] Explanation of reference numerals in the attached drawings: 1. Lower support; 2. Upper support; 3. Moving bracket assembly; 4. Pipe clamping mechanism; 5. Rack; 6. Linear guide rail; 7. Limiting component; 8. Guide assembly; 9. Lifting cylinder; 10. Guide rod; 11. Fixed bracket assembly; 12. Handwheel; 13. First pull rod; 14. Screw; 31. Moving base plate; 32. First V-shaped seat; 111. Fixed base plate; 112. V-shaped wheel; 41. Servo motor; 42. Gripper; 43. Second V-shaped seat; 44. Clamping base plate; 45. End gear; 46. Two-jaw synchronous clamp; 81. Vertical guide rail seat; 82. Roller shaft; 101. Second pull rod; 102. Lower synchronous shaft; 103. Upper synchronous shaft; 104. Lower connecting rod; 105. Upper connecting rod; 811. Protrusion; 821. Limiting ring. Detailed Implementation
[0035] The specific embodiments of this utility model are described below with reference to the accompanying drawings.
[0036] See Figures 1 to 4 The automatic feeding device for the pipe thickening machine in this embodiment includes:
[0037] The upper support 2 is connected to the lower support 1 via a lifting mechanism on its lower side, and is lifted and lowered by the lifting mechanism; the upper support 2 is equipped with a linear guide rail 6.
[0038] The fixed bracket assembly 11 is fixedly mounted on one end of the upper bracket 2, and includes a fixed base plate 111 and a liftable V-shaped wheel 112 mounted thereon;
[0039] The movable bracket assembly 3 is slidably engaged with the linear guide rail 6 via a movable base plate 31. The movable base plate 31 is provided with a liftable first V-shaped seat 32.
[0040] The tube feeding clamping mechanism 4 is slidably engaged with the linear guide rail 6 through the clamping plate 44. The clamping plate 44 is provided with a linear drive mechanism, a gripper mechanism and a liftable second V-shaped seat 43. The linear drive mechanism is used to drive the clamping plate 44 to move. The gripper mechanism and the liftable second V-shaped seat 43 are arranged parallel to each other along the feeding direction, and the clamping center of the gripper mechanism is coaxial with the center of the second V-shaped seat 43.
[0041] The clamping base plate 44 is connected to the movable base plate 31 via the first connector;
[0042] The lower bracket 1 is fixedly mounted on the mounting surface.
[0043] As a preferred embodiment, the linear drive mechanism includes a servo motor 41, the output of which is connected to a rack 5 via a gear transmission mechanism. The rack 5 is located inside the upper support 2. Specifically, the output of the gear transmission mechanism is a final gear 45, which meshes with the rack 5.
[0044] As a preferred embodiment, the movable bracket assembly 3 is located between the pipe feeding clamping mechanism 4 and the fixed bracket assembly 11.
[0045] As a preferred embodiment, the first connector is a first pull rod 13, which connects the clamping base plate 44 and the movable base plate 31 into a whole.
[0046] As a preferred embodiment, the gripper mechanism includes a two-jaw synchronous gripper 46, with a gripper 42 connected to each end. Specifically, a pad is provided on the inner side of the gripper 42.
[0047] As a preferred embodiment, the V-shaped wheel 112, the first V-shaped seat 32, and the second V-shaped seat 43 are driven to rise and fall by a manual assembly. The manual assembly includes a handwheel 12, a gear transmission assembly, and a screw 14. The handwheel 12 is connected to an input horizontal shaft, which is connected to the input gear of the gear transmission assembly. The output gear of the gear transmission assembly is connected to the lower end of the screw 14. The upper end of the screw 14 is connected to the fixed base plate 111, the movable base plate 31, or the clamping base plate 44 to be driven.
[0048] Specifically, guide rods 10 are provided at the bottom of the V-shaped wheel 112, the first V-shaped seat 32, and the second V-shaped seat 43, respectively. Guide sleeves that cooperate with the guide rods 10 are provided on the fixed base plate 111, the movable base plate 31, and the clamping base plate 44. The cooperation between the guide rods 10 and the guide sleeves ensures stability during the lifting process.
[0049] Specifically, driven by the servo motor 41, the tube clamping mechanism 4 drives the moving bracket assembly 3 to move synchronously along the linear guide rail 6, thereby adjusting the distance between it and the fixed bracket assembly 11.
[0050] As a preferred embodiment, the linear guide rail 6 is provided with limiting members 7 at both ends for limiting the pipe clamping mechanism 4 and the moving bracket assembly 3. This prevents the pipe material from being transported into the thickening machine by adjusting the lifting mechanism during operation. The upper support 2 is adjusted to a preset height, and the heights of the V-shaped wheel 112, the first V-shaped seat 32, and the second V-shaped seat 43 are adjusted sequentially to ensure their support parts are at the same height, thus forming a support surface with uniform height and axial distribution. The pipe material to be transported is placed on this support surface, and simultaneously, the two grippers 42 of the gripper mechanism open to allow space for the pipe material. Then, the two grippers 42 are controlled to clamp the pipe material, and the servo motor 41 is started to drive the pipe clamping mechanism 4 and the moving bracket assembly 3 to move along the linear guide rail 6. During the movement, the V-shaped wheel 112 rolls in contact with the pipe material, while the first V-shaped seat 32 and the second V-shaped seat 43 slide in contact with the pipe material, achieving axial transport of the pipe material and feeding it into the thickening machine.
[0051] like Figure 5As shown, as a preferred embodiment, the automatic feeding device for the pipe thickening machine further includes a guide assembly 8, which includes a vertical guide rail seat 81 and a connecting frame. The vertical guide rail seat 81 is fixedly mounted on the lower support 1, and the connecting frame is mounted on the upper support 2. The connecting frame is provided with two sets of rollers 82, which are used to roll and cooperate with the vertical guide rail seat 81 respectively.
[0052] Specifically, the vertical guide rail seat 81 has a protrusion 811 on the surface for rolling cooperation with the two sets of rollers 82, and the rollers 82 have two protruding limiting rings 821, which are located on both sides of the protrusion 811.
[0053] In this embodiment, the guide component 8 can provide guidance when the upper support 2 is raised or lowered, ensuring its stability.
[0054] Specifically, the connecting frame includes a set of spaced mounting plates 83 and a connecting plate 84 connected to one end of the mounting plates 83, wherein the connecting plate 84 is used to connect with the upper bracket 2, and the mounting plate 83 is provided with bearing components, which are used to cooperate with the roller shaft 82.
[0055] like Figure 6 and Figure 7 As shown, in a preferred embodiment, the lifting mechanism includes a lifting cylinder 9 and at least one set of lifting components; the cylinder body of the lifting cylinder 9 is fixedly installed, and its output end is connected to the upper bracket 2; the lifting components include a lower synchronous shaft 102, a lower connecting rod 104, an intermediate synchronous shaft, an upper connecting rod 105, and an upper synchronous shaft 103. The two ends of the lower synchronous shaft 102 are respectively located in the lower bearing seats on both sides of the upper bracket 2, and the two ends of the upper synchronous shaft 103 are respectively located in the upper bearing seats on both sides of the lower bracket 103. The two ends of the lower connecting rod 104 are respectively connected to the lower synchronous shaft 102 and the intermediate synchronous shaft, and the two ends of the upper connecting rod 105 are respectively connected to the intermediate synchronous shaft and the upper synchronous shaft 103.
[0056] Specifically, multiple lifting assemblies are spaced apart along the feeding direction, and the intermediate synchronous shafts of two adjacent lifting assemblies are connected by a second connector. The second connector is preferably a second pull rod 101.
[0057] It will be understood by those skilled in the art that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An automatic feeding device for a pipe thickening machine, characterized in that, include: The upper support (2) is connected to the lower support (1) via a lifting mechanism on its lower side and is driven to move up and down by the lifting mechanism; the upper support (2) is provided with a linear guide rail (6); The fixed bracket assembly (11) is fixedly mounted on one end of the upper bracket (2), including a fixed base plate (111) and a liftable V-shaped wheel (112) mounted thereon; The movable bracket assembly (3) is slidably engaged with the linear guide rail (6) via a movable base plate (31), and the movable base plate (31) is provided with a liftable first V-shaped seat (32); The tube feeding clamping mechanism (4) slides with the linear guide rail (6) through the clamping base plate (44). The clamping base plate (44) is provided with a linear drive mechanism, a gripper mechanism and a liftable second V-shaped seat (43). The linear drive mechanism is used to drive the clamping base plate (44) to move. The gripper mechanism and the liftable second V-shaped seat (43) are arranged parallel to each other along the feeding direction, and the clamping center of the gripper mechanism is coaxial with the center of the second V-shaped seat (43). The clamping base plate (44) is connected to the movable base plate (31) via the first connector; The lower bracket (1) is fixedly mounted on the mounting surface.
2. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, The linear drive mechanism includes a servo motor (41), the output end of which is connected to a rack (5) via a gear transmission mechanism. The rack (5) is located inside the upper bracket (2).
3. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, The movable bracket assembly (3) is located between the pipe feeding clamping mechanism (4) and the fixed bracket assembly (11); the clamping base plate (44) is connected to the movable base plate (31) via the first pull rod (13).
4. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, The gripper mechanism includes a two-jaw synchronous gripper (46), with a gripper (42) connected to each end.
5. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, The V-shaped wheel (112), the first V-shaped seat (32) and the second V-shaped seat (43) are driven by a manual assembly to lift and lower. The manual assembly includes a handwheel (12), a gear transmission assembly and a screw (14). The handwheel (12) is connected to an input horizontal shaft, which is connected to the input gear of the gear transmission assembly. The output gear of the gear transmission assembly is connected to the lower end of the screw (14). The upper end of the screw (14) is connected to the fixed base plate (111), the movable base plate (31) or the clamping base plate (44) to be driven.
6. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, It also includes a guide assembly (8), which includes a vertical guide rail seat (81) and a connecting frame. The vertical guide rail seat (81) is fixedly mounted on the lower support (1), and the connecting frame is mounted on the upper support (2). The connecting frame is provided with two sets of rollers (82), which are used to roll and cooperate with the vertical guide rail seat (81) respectively.
7. The automatic feeding device for the pipe thickening machine according to claim 6, characterized in that, The vertical guide rail seat (81) has a protrusion (811) on the surface for rolling cooperation with the two sets of rollers (82), and the rollers (82) have two protruding limiting rings (821), which are located on both sides of the protrusion (811).
8. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, The lifting mechanism includes a lifting cylinder (9) and at least one set of lifting components; the cylinder body of the lifting cylinder (9) is fixedly installed, and the output end is connected to the upper bracket (2); the lifting components include a lower synchronous shaft (102), a lower connecting rod (104), an intermediate synchronous shaft, an upper connecting rod (105), and an upper synchronous shaft (103). The two ends of the lower synchronous shaft (102) are respectively located in the lower bearing seats on both sides of the upper bracket (2), and the two ends of the upper synchronous shaft (103) are respectively located in the upper bearing seats on both sides of the lower bracket (1). The two ends of the lower connecting rod (104) are respectively connected to the lower synchronous shaft (102) and the intermediate synchronous shaft, and the two ends of the upper connecting rod (105) are respectively connected to the intermediate synchronous shaft and the upper synchronous shaft (103).
9. The automatic feeding device for the pipe thickening machine according to claim 8, characterized in that, Multiple lifting assemblies are spaced apart along the feeding direction, and the intermediate synchronous shafts of two adjacent lifting assemblies are connected by connectors.
10. The automatic feeding device for the pipe thickening machine according to claim 1, characterized in that, The linear guide (6) is provided with limiting components (7) at both ends.