Efficient cold heading drawing machine for subway bolt machining
By designing the drawing and cutting mechanism of the high-efficiency cold heading puller, the problem of additional bending after the subway bolt is solved, and efficient processing is achieved.
Patent Information
- Application Number
- CN202422263033.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Subway bolts require additional steps to fold them out of the arc after pulling out of the material, resulting in inefficient processing.
An efficient cold heading puller including a frame, a pulling mold, a drawing mechanism and a cutting mechanism is designed. The bolt blank forms an arc shape when pulling out through the drawing mechanism, and is directly cut and molded by a cutting mechanism to reduce subsequent processes.
Improve the processing efficiency of subway bolts, reduce additional processes, and improve production efficiency.
Smart Images

Figure CN223198511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of subway bolt processing, in particular to a high-efficiency cold heading and drawing machine for subway bolt processing. Background Art
[0002] As the structure of the tunnel support system, subway bolts are an important part of the tunnel structure and the outermost barrier of the tunnel. They are responsible for resisting soil pressure, groundwater pressure and some special loads. Subway bolts are assembled while the tunnel is being advanced. The quality of the pipe segments is directly related to the overall quality and safety of the tunnel, and affects the tunnel's waterproof performance and durability.
[0003] During the production of subway bolts, the bolts need to be pulled out by a cold heading puller. However, some subway bolts have a certain curvature. After pulling out these subway bolts with curvature, an additional process is required to fold the subway bolts into an arc, which is time-consuming and labor-intensive, thus reducing the processing efficiency of subway bolts. Utility Model Content
[0004] The utility model provides a high-efficiency cold heading and drawing machine for processing subway bolts, which solves the problem in the related art that after drawing the subway bolts with arcs, an additional process of bending the subway bolts into an arc is required, which is time-consuming and labor-intensive, thus reducing the processing efficiency of the subway bolts.
[0005] The technical solution of the utility model is as follows: a high-efficiency cold heading and drawing machine for processing subway bolts, comprising: a frame, a drawing die, a drawing mechanism and a cutting mechanism;
[0006] The drawing die is arranged on a frame;
[0007] The drawing mechanism is arranged on the frame and is used to draw the bolt blank;
[0008] The cutting mechanism is arranged on the frame and is used for cutting the bolt blank after being drawn.
[0009] Preferably, the pulling mechanism comprises: a turntable, a support plate, a fixing assembly and a rotating assembly;
[0010] The turntable is rotatably arranged on the frame;
[0011] The support plate is fixedly connected to the turntable;
[0012] The fixing assembly is provided on the supporting plate and is used to fix the bolts;
[0013] The rotating assembly is arranged on the frame and is used for driving the turntable to rotate.
[0014] Furthermore, the fixing assembly includes: a fixing frame and a first electric cylinder;
[0015] The fixing frame is slidably arranged on the supporting plate;
[0016] The first electric cylinder is arranged on the supporting plate, and the output end of the first electric cylinder is fixedly connected to the fixing frame.
[0017] Furthermore, the rotating assembly includes: a rotating gear, a driving gear and a first motor;
[0018] The rotating gear is fixedly connected to the turntable;
[0019] The driving gear is rotatably arranged on the frame, and the driving gear is meshed with the rotating gear;
[0020] The first motor is arranged on the frame, and the output end of the first motor is fixedly connected to the driving gear.
[0021] As a further solution of the present application, the cutting mechanism includes: a swing plate, a cutting blade, a second motor and a drive assembly;
[0022] The swing plate is rotatably connected to the frame;
[0023] The cutting blade is rotatably mounted on the swing plate;
[0024] The second motor is arranged on the swing plate, and the output end of the second motor is fixedly connected to the cutting blade;
[0025] The driving assembly is arranged on the frame and is used for driving the swing plate to swing.
[0026] As a further solution of the present application, the driving assembly includes: a rotating frame, a rotating plate and a second electric cylinder;
[0027] The turret is rotatably mounted on the swing plate;
[0028] The rotating plate is rotatably arranged on the frame;
[0029] The second electric cylinder is arranged on the rotating plate, and the output end of the second electric cylinder passes through the rotating plate and is fixedly connected to the rotating frame.
[0030] On the basis of the above solution, two sliding rods are fixedly connected to the support plate, two sliding holes are provided on the fixing frame, and the two sliding rods are slidably arranged in the two sliding holes respectively.
[0031] Further on the basis of the above solution, a stabilizing frame is fixedly connected to the frame, and the first motor is installed on the stabilizing frame.
[0032] As a preferred technical solution of the present application, two fixed plates are fixedly connected to the frame, a rotating rod is rotatably connected between the two rotating plates, and the swing plate is fixedly connected to the rotating rod.
[0033] As a preferred technical solution of the present application, an annular groove is provided on the support plate, and a protrusion matching the annular groove is provided on the fixing frame.
[0034] The working principle and beneficial effects of the utility model are as follows:
[0035] 1. In the present invention, the cooperation between the drawing mechanism and the drawing die facilitates the drawing of the bolt blank while making the blank produce an arc.
[0036] 2. In the present invention, the cutting mechanism is provided to facilitate cutting of the blank after drawing.
[0037] 3. In the present invention, the cooperation among the frame, the drawing die, the drawing mechanism and the cutting mechanism facilitates the drawing of the bolt blank while forming an arc on the blank, thereby reducing subsequent processes and improving the processing efficiency of subway bolts. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0039] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0040] Figure 2 This is a schematic structural diagram of the utility model from another angle;
[0041] Figure 3 This is a schematic structural diagram of the drawing mechanism of the utility model;
[0042] Figure 4 It is a structural diagram of the cutting mechanism of the utility model.
[0043] In the figure: 1. Frame; 2. Drawing die; 3. Turntable; 4. Support plate; 5. Fixed frame; 6. First electric cylinder; 7. Rotating gear; 8. Driving gear; 9. First motor; 10. Swing plate; 11. Cutting blade; 12. Second motor; 13. Rotating frame; 14. Rotating plate; 15. Second electric cylinder; 16. Sliding rod; 17. Stabilizing frame; 18. Fixed plate; 19. Rotating rod. DETAILED DESCRIPTION
[0044] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0045] like Figures 1 to 4 As shown, this embodiment proposes an efficient cold heading and drawing machine for processing subway bolts, including: a frame 1, a drawing die 2, a drawing mechanism and a cutting mechanism. The drawing die 2 is arranged on the frame 1. Through the cooperation between the frame 1, the drawing die 2, the drawing mechanism and the cutting mechanism, it is convenient to draw the bolt blank while forming a curvature on the blank, reducing subsequent processes and improving the processing efficiency of subway bolts.
[0046] like Figures 1 to 3 As shown, the drawing mechanism is arranged on the frame 1 for drawing the bolt blank, and the drawing mechanism includes: a turntable 3, a supporting plate 4, a fixing assembly and a rotating assembly. The supporting plate 4 is provided with an annular groove, and the fixing frame 5 is provided with a protrusion matching the annular groove. Two slide rods 16 are fixedly connected to the supporting plate 4, and two slide holes are provided on the fixing frame 5. The two slide rods 16 are slidably arranged in the two slide holes respectively. The turntable 3 is rotatably arranged on the frame 1, and the supporting plate 4 is fixedly connected to the turntable 3. The fixing assembly is arranged on the supporting plate 4 for fixing the bolt, and the rotating assembly is arranged on the frame 1 for driving the turntable 3 to rotate. The fixing assembly includes: a fixing frame 5 and a first electric cylinder 6. The fixing frame 5 is slidably arranged on the supporting plate 4, and the first electric cylinder 6 is arranged on the supporting plate 4. The output end of the first electric cylinder 6 is fixedly connected to the fixing frame 5 Next, the rotating assembly includes: a rotating gear 7, a driving gear 8 and a first motor 9. A stabilizing frame 17 is fixedly connected to the frame 1, the first motor 9 is installed on the stabilizing frame 17, the rotating gear 7 is fixedly connected to the turntable 3, the driving gear 8 is rotatably set on the frame 1, the driving gear 8 is engaged with the rotating gear 7, the first motor 9 is set on the frame 1, and the output end of the first motor 9 is fixedly connected to the driving gear 8. Specifically, the first electric cylinder 6 set on the support disk 4 drives the fixed frame 5 to approach the support disk 4, so that one end of the blank is fixed between the support disk 4 and the fixed frame 5, and then the driving gear 8 and the rotating gear 7 are driven to rotate by the first motor 9. When the rotating gear 7 rotates, it drives the turntable 3 and the support disk 4 to rotate, thereby pulling the blank through the drawing die. While pulling the material, the blank is bent into an arc through the support disk 4.
[0047] like Figure 1 and Figure 4As shown, the cutting mechanism is arranged on the frame 1 and is used to cut the bolt blank after drawing. The cutting mechanism includes: a swing plate 10, a cutting blade 11, a second motor 12 and a driving assembly. Two fixed plates 18 are fixedly connected to the frame 1, and a rotating rod 19 is rotatably connected between the two rotating plates 14. The swing plate 10 is fixedly connected to the rotating rod 19, and the swing plate 10 is rotatably connected to the frame 1. The cutting blade 11 is rotatably arranged on the swing plate 10, and the second motor 12 is arranged on the swing plate 10. The output end of the second motor 12 is fixedly connected to the cutting blade 11, and the driving assembly is arranged on the frame 1. Used to drive the swing plate 10 to swing, the driving assembly includes: a rotating frame 13, a rotating plate 14 and a second electric cylinder 15. The rotating frame 13 is rotatably set on the swing plate 10, the rotating plate 14 is rotatably set on the frame 1, and the second electric cylinder 15 is set on the rotating plate 14. The output end of the second electric cylinder 15 passes through the rotating plate 14 and is fixedly connected to the rotating frame 13. Specifically, the cutting blade 11 is driven to rotate by the second motor 12 set on the swing plate 10, and the rotating frame 13 and the swing plate 10 are driven to descend by the second electric cylinder 15 set on the rotating plate 14, so as to cut the blank after pulling.
[0048] In this embodiment, when the bolt blank is pulled out, the first electric cylinder 6 provided on the support plate 4 drives the fixing frame 5 to approach the support plate, thereby fixing one end of the blank between the support plate 4 and the fixing frame 5, and then the first motor 9 drives the driving gear 8 and the rotating gear 7 to rotate. When the rotating gear 7 rotates, it drives the turntable 3 and the support plate 4 to rotate, thereby pulling the blank through the drawing die. While pulling out, the blank is bent into an arc shape by the support plate 4, and the cutting blade 11 is driven to rotate by the second motor 12 provided on the swing plate 10, and the rotating frame 13 and the swing plate 10 are driven to descend by the second electric cylinder 15 provided on the rotating plate 14, thereby cutting the blank after pulling out.
[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A high-efficiency cold heading and drawing machine for subway bolt processing, characterized in that: include: Rack (1); A drawing die (2), wherein the drawing die (2) is arranged on the frame (1); A drawing mechanism, the drawing mechanism being arranged on the frame (1) and being used for drawing the bolt blank, the drawing mechanism comprising: A turntable (3), the turntable (3) being rotatably arranged on the frame (1); A support plate (4), the support plate (4) being fixedly connected to the turntable (3); A fixing assembly, the fixing assembly being arranged on the support plate (4) and being used for fixing the bolts; A rotating assembly, the rotating assembly being arranged on the frame (1) and being used to drive the turntable (3) to rotate; A cutting mechanism is provided on the frame (1) and is used for cutting the bolt blank after drawing.
2. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 1, characterized in that: The fixing assembly includes: A fixing frame (5), the fixing frame (5) being slidably arranged on the supporting plate (4); A first electric cylinder (6), the first electric cylinder (6) is arranged on the supporting plate (4), and an output end of the first electric cylinder (6) is fixedly connected to the fixing frame (5).
3. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 2, characterized in that: The rotating assembly comprises: A rotating gear (7), the rotating gear (7) being fixedly connected to the rotating disk (3); a driving gear (8), the driving gear (8) being rotatably disposed on the frame (1), the driving gear (8) being meshed with the rotating gear (7); A first motor (9), wherein the first motor (9) is arranged on the frame (1), and an output end of the first motor (9) is fixedly connected to the driving gear (8).
4. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 3, characterized in that: The cutting mechanism comprises: A swing plate (10), the swing plate (10) being rotatably connected to the frame (1); a cutting blade (11), the cutting blade (11) being rotatably disposed on the swing plate (10); a second motor (12), the second motor (12) being arranged on the swing plate (10), the output end of the second motor (12) being fixedly connected to the cutting blade (11); A drive assembly is provided on the frame (1) and is used to drive the swing plate (10) to swing.
5. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 4, characterized in that: The drive assembly includes: A rotating frame (13), the rotating frame (13) being rotatably disposed on the swing plate (10); A rotating plate (14), the rotating plate (14) being rotatably disposed on the frame (1); A second electric cylinder (15), the second electric cylinder (15) is arranged on the rotating plate (14), and an output end of the second electric cylinder (15) passes through the rotating plate (14) and is fixedly connected to the rotating frame (13).
6. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 5, characterized in that: Two slide rods (16) are fixedly connected to the support plate (4), and two slide holes are provided on the fixing frame (5), and the two slide rods (16) are slidably arranged in the two slide holes respectively.
7. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 6, characterized in that: A stabilizing frame (17) is fixedly connected to the frame (1), and the first motor (9) is mounted on the stabilizing frame (17).
8. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 7, characterized in that: Two fixed plates (18) are fixedly connected to the frame (1), a rotating rod (19) is rotatably connected between the two rotating plates (14), and the swing plate (10) is fixedly connected to the rotating rod (19).
9. The high-efficiency cold heading and drawing machine for processing subway bolts according to claim 8, characterized in that: An annular groove is provided on the support plate (4), and a protrusion matching the annular groove is provided on the fixing frame (5).