Thread turning device for U-shaped bolt

Abstract

The invention relates to the field of U-shaped bolt machining, in particular to a thread turning device for a U-shaped bolt, which comprises a machining mechanism, the machining mechanism comprises a machine tool, a fixing assembly and two turning assemblies are arranged at the top of the machine tool, a concave flow guide frame is further arranged at the top of the machine tool, and a collecting assembly and a feeding mechanism are arranged at the bottom of the machine tool. The device comprises a driving assembly and a sliding assembly which are arranged on a machine tool, the driving assembly is arranged at one end of the machine tool and used for driving the sliding assembly to move, a clamping assembly used for fixing a cylinder is arranged on the sliding assembly, and releasing assemblies are arranged on the machine tool and the sliding assembly. By means of the feeding mechanism, automatic feeding of cylinders which are not turned and automatic discharging of cylinders which are turned can be achieved, manual intervention is reduced, time is greatly saved, the turning efficiency of U-shaped bolt production is improved, and meanwhile the working intensity of workers is reduced.

Description

Technical Field

[0001] The present invention relates to the field of U-bolt processing, and particularly to a threading device for U-bolts. Background Art

[0002] A U-bolt threading device is a mechanical device specifically used for threading U-bolts. The U-bolt gets its name because its shape resembles the English letter "U". It is mainly used for fixing equipment, pipelines, etc., with tight connection and convenient disassembly. The threading device processes a qualified thread shape on the cylindrical surface through cutting and other methods, and then bends the cylinder into a U shape to form a U-bolt.

[0003] In the prior art, when turning a U-bolt, workers need to manually place the cylinder into the fixing device, and then turn the surface of the cylinder through the turning device. After turning, the cylinder is removed and replaced, which is time-consuming and laborious.

[0004] Therefore, a threading device for U-bolts is proposed. Summary of the Invention

[0005] In view of the problem in the above or prior art that when turning a U-bolt, workers need to manually place the cylinder into the fixing device, and then turn the surface of the cylinder through the turning device. After turning, the cylinder is removed and replaced, which is time-consuming and laborious, the present invention is proposed.

[0006] Therefore, the purpose of the present invention is to provide a threading device for U-bolts.

[0007] To solve the above technical problems, the present invention provides the following technical solutions: including a processing mechanism, which includes a machine tool. A fixing component and two turning components are arranged on the top of the machine tool. A concave-shaped diversion frame is also arranged on the top of the machine tool, and a collection component is arranged at the bottom of the machine tool; a feeding mechanism, which includes a driving component and a sliding component arranged on the machine tool. The driving component is arranged at one end of the machine tool, and the driving component is used to drive the sliding component to move. A clamping component for fixing the cylinder is arranged on the sliding component, and a releasing component is arranged on the machine tool and the sliding component; the clamping component includes two clamping jaws arranged on the top of the machine tool, and the clamping surfaces of the two clamping jaws are semi-circular.

[0008] As a preferred solution of the threading device for U-bolts of the present invention, wherein: the driving component includes a driving member arranged on the top at one end of the machine tool. The extending end of the driving member is connected with a mounting plate. A first long rod and a spring piece are connected to the mounting plate. The end of the spring piece far from the mounting plate is spherical. A push block is slidably arranged on the concave-shaped diversion frame, and diversion inclined surfaces are arranged at both ends of the push block away from each other.

[0009] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the elastic force of the elastic sheet is greater than the gravity of the cylinder.

[0010] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the sliding assembly includes a side plate fixedly connected to the machine tool. On one side of the side plate close to the driving member, a first telescopic rod and a first spring are fixedly connected. The first spring is sleeved on the surface of the first telescopic rod. One end of both the first telescopic rod and the first spring is connected to the side plate, and the other end of both the first telescopic rod and the first spring away from the side plate is connected to the support plate.

[0011] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the clamping assembly includes a chute opened on the support plate. Two sliders are arranged inside the chute. The two sliders are connected by an elastic strip. One end of each of the two sliders passes through the chute and is respectively connected to two clamping jaws.

[0012] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the clamping assembly further includes a cross plate fixedly connected to the support plate. A second telescopic rod and a second spring are connected to the top of the cross plate. The second spring is sleeved on the surface of the second telescopic rod. One end of both the second telescopic rod and the second spring away from the cross plate is fixedly connected to the cap.

[0013] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the clamping assembly further includes two first inclined surfaces and two first flat surfaces arranged on the inner wall of the cap. Each first inclined surface is connected to a first flat surface, and the two first inclined surfaces and the two first flat surfaces are symmetrical about the cap.

[0014] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the clamping assembly further includes a second inclined surface and a second flat surface arranged on the clamping jaw. The second inclined surface matches the first inclined surface.

[0015] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the release assembly includes two L-shaped plates installed on the top of the machine tool. The two L-shaped plates are symmetrical, and third inclined surfaces are arranged on both of the two L-shaped plates. Fourth inclined surfaces are arranged on the top of the cap. The two first inclined surfaces are symmetrical about the cap.

[0016] As a preferred embodiment of the thread cutting device for U-bolts of the present invention, wherein: the elastic force of the first spring is greater than the elastic force of the second spring.

[0017] The beneficial effects of the threading device for U-bolts of the present invention are as follows: the bottommost cylinder under the concave guide frame is first pushed by the driving component, and the cylinder is moved toward the direction of the fixed component. When the cylinder moves to a certain position, the driving component contacts the sliding component and drives the sliding component to move. At the same time, the sliding component drives the clamping component to operate. The clamping component clamps the cylinder through two clamping claws. As the driving component continues to drive the sliding component to move, the driving component drives the cylinder to penetrate into the interior of the fixed component through the two clamping claws of the clamping component, and the fixed component can fix the cylinder that needs to be threaded. As the driving component continues to drive the clamping component to move through the sliding component, the clamping component contacts the releasing component, thereby making the two The clamping jaws are opened, so that when the fixed component rotates the driven cylinder, the cylinder will not contact the two clamping jaws, thereby reducing the wear of the clamping jaws and the cylinder. When the turning component drives the cylinder to be threaded, the driving component is reset. When the driving component is reset, the sliding component is also reset, and the sliding component drives the clamping component to move. The clamping component drives the two first clamps to clamp the cylinder, and as the sliding component is reset, the clamping component drives the cylinder to detach from the fixed component through the two clamping jaws. When the cylinder is completely detached from the fixed component, the cylinder is located at the top of the collection component. As the driving component continues to reset, the clamping component continues to contact the release component, and then the two clamping jaws are opened. The cylinder clamped by the two clamping jaws automatically falls into the collection component, realizing the automatic unloading of the cylinder after turning, reducing manual intervention, greatly saving time, improving the turning efficiency of U-bolt production, and reducing the work intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of a threading device for U-bolts; Figure 2 A schematic diagram of the overall structure of a threading device for U-bolts from another perspective; Figure 3 for Figure 2 A magnified view of the structure at B in FIG. Figure 4 for Figure 1 A magnified view of the structure at A; Figure 5Schematic sectional view of the clamping assembly of the threading device for U-bolts; Figure 6 Partial schematic view of the clamping assembly in the threading device for U-bolts; Figure 7 Schematic view of the structure when the two jaws of the threading device for U-bolts are separated.

[0020] In the figure: 1. Machining mechanism; 11. Machine tool; 12. Fixed assembly; 13. Turning assembly; 14. Concave deflector; 15. Collection assembly; 2. Loading mechanism; 21. Driving assembly; 211. Driving part; 212. Mounting plate; 213. First long rod; 214. Elastic piece; 215. Pusher block; 216. Deflection slope; 22. Sliding assembly; 221. Side plate; 222. First telescopic rod; 223. First spring; 224. Support plate; 23. Clamping assembly; 231. Chute; 232. Slide block; 233. Elastic strip; 234. Cross plate; 235. Second telescopic rod; 236. Second spring; 237. Cap; 238. First slope; 239. First plane; 2310. Second slope; 2311. Second plane; 2312. Jaw; 24. Release assembly; 241. L-shaped plate; 242. Third slope; 243. Fourth slope. Detailed implementation manners

[0021] To make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific implementation manners of the present invention is provided in conjunction with the accompanying drawings of the specification.

[0022] Example 1, referring to Figures 1 to 7 , which is the first embodiment of the present invention. This embodiment provides a threading device for U-bolts, which includes a machining mechanism 1, which includes a machine tool 11. A fixed assembly 12 and two turning assemblies 13 are arranged on the top of the machine tool 11. The two turning assemblies 13 are symmetric about the fixed assembly 12. A concave deflector 14 is also arranged on the top of the machine tool 11, and a collection assembly 15 is arranged at the bottom of the machine tool 11. A loading mechanism 2 is arranged on the top of the machine tool 11. The loading mechanism 2 includes a driving assembly 21 and a sliding assembly 22 arranged on the machine tool 11. The driving assembly 21 is arranged at one end of the machine tool 11. The driving assembly 21 is used to drive the sliding assembly 22 to move. A clamping assembly 23 for fixing the cylinder is arranged on the sliding assembly 22. A release assembly 24 is arranged on the machine tool 11 and the sliding assembly 22. The clamping assembly 23 includes two jaws 2312 arranged on the top of the machine tool 11. The clamping surfaces of the two jaws 2312 are semi-circular, and the two jaws 2312 match the cylinder. By the semi-circular clamping surfaces of the two jaws 2312, it is convenient for the two jaws 2312 to clamp the cylinder; Among them, the fixing component 12 is used to fix the cylinder and can drive the cylinder to rotate. The turning component 13 is used to turn the cylinder, so that the cylinder cooperates with the tool of the turning component 13 when rotating, and a thread is provided on the surface of the cylinder. The fixing component 12 and the turning component 13 are very mature technologies in the prior art and will not be elaborated in detail here; Among them, the concave-shaped flow guiding frame 14 is used to place the cylinder. The cylinder can be transported to the concave-shaped flow guiding frame 14 through the conveying component. The collecting component 15 is a collecting box in the solution, or it can also be other equipment, such as a conveyor belt, etc., to automatically transport the processed cylinder to a suitable position; The driving component 21 first pushes the cylinder at the bottom of the concave-shaped flow guiding frame 14 and makes the cylinder move in the direction of the fixing component 12. When the cylinder moves to a certain position, the driving component 21 contacts the sliding component 22 and drives the sliding component 22 to move. At the same time, the sliding component 22 drives the clamping component 23 to operate. The clamping component 23 clamps the cylinder through two clamping jaws 2312. As the driving component 21 continues to drive the sliding component 22 to move, the driving component 21 drives the cylinder to penetrate into the interior of the fixing component 12 through the two clamping jaws 2312 of the clamping component 23, and the fixing component 12 can fix the cylinder that needs to be threaded. And as the driving component 21 continues to drive the clamping component 23 to move through the sliding component 22, the clamping component 23 contacts the releasing component 24, so that the two clamping jaws 2312 open. Thus, when the fixing component 12 drives the cylinder to rotate, the cylinder will not contact the two clamping jaws 2312, thereby reducing the wear of the clamping jaws 2312 and the cylinder. When the turning component 13 drives the threading of the cylinder to be completed, at this time, the driving component 21 resets. When the driving component 21 resets, the sliding component 22 also resets accordingly. At the same time, the sliding component 22 drives the clamping component 23 to move. The clamping component 23 drives the two to first clamp the cylinder through the two clamping jaws 2312. As the sliding component 22 resets, the clamping component 23 drives the cylinder to disengage from the interior of the fixing component 12 through the two clamping jaws 2312. When the cylinder completely disengages from the interior of the fixing component 12, at this time, the cylinder is located on top of the collecting component 15. As the driving component 21 continues to reset, the clamping component 23 continues to contact the releasing component 24, so that the two clamping jaws 2312 open. The cylinder clamped by the two clamping jaws 2312 automatically falls into the collecting component 15, realizing the automatic blanking of the turned cylinder, reducing manual intervention, greatly saving time, improving the turning efficiency of U-shaped bolts, and at the same time reducing the working intensity of the staff.

[0023] Further, the driving component 21 includes a driving member 211 fixedly installed on the top of one end of the machine tool 11. The extending end of the driving member 211 is connected with a mounting plate 212. A first long rod 213 and an elastic piece 214 are connected to the mounting plate 212. The end of the elastic piece 214 far from the mounting plate 212 is spherical. When the end of the elastic piece 214 presses against the diversion inclined surfaces 216 at both ends of the pushing block 215, the elastic piece 214 can be deformed in the direction away from the pushing block 215, so that the elastic piece 214 can pass through the top of the pushing block 215. A pushing block 215 is slidably arranged on the concave diversion frame 14, and diversion inclined surfaces 216 are arranged at both ends of the pushing block 215 away from each other. Among them, the driving member 211 can be a cylinder or an electric telescopic rod, and other mechanisms that can drive the mounting plate 212 to move linearly are also acceptable.

[0024] Further, the elastic force of the elastic piece 214 is greater than the gravity of the cylinder. In the initial state, when the driving member 211 drives the mounting plate 212 to move and the mounting plate 212 drives the elastic piece 214 to move, the elastic piece 214 can drive the cylinder to move through the pushing block 215.

[0025] In this embodiment, the first long rod 213 may not be provided. During use, the cylinder to be threaded is conveyed onto the concave deflector 14. After completion, the driving member 211 is activated. The driving member 211 drives the mounting plate 212 to move. The mounting plate 212 drives the elastic piece 214 to move. The elastic piece 214 squeezes the push block 215, causing the push block 215 to move. The push block 215 drives the cylinder through the concave deflector 14 and moves it in the direction of the fixing assembly 12. When the push block 215 abuts against the inner wall of the side of the concave deflector 14 away from the driving member 211, as the mounting plate 212 continues to drive the elastic piece 214 to move, since the push block 215 cannot move at this time, the push block 215 gets stuck at the bottom of the concave deflector 14, preventing the subsequent conveyed cylinders from contacting the bottom of the concave deflector 14. At the same time, the elastic piece 214 deforms upward. When the elastic piece 214 passes through the push block 215, under the action of the elastic force of the elastic piece 214, the elastic piece 214 resets. At this time, the end of the elastic piece 214 presses against the top of the cylinder. Under the frictional force between the cylinder and the end of the elastic piece 214, the elastic piece 214 continues to drive the cylinder to move, so that the cylinder moves to the appropriate position. Then, the driving member 211 contracts, causing the elastic piece 214 to squeeze the push block 215, making the push block 215 reset. When the push block 215 abuts against the side of the concave deflector 14 close to the driving member 211, as the driving member 211 continues to drive the elastic piece 214 to move through the mounting plate 212, the elastic piece 214 deforms upward. When the elastic piece 214 passes through the push block 215, the elastic piece 214 returns to its initial position. When the driving member 211 contracts, the fixing assembly 12 fixes the cylinder to be threaded and drives it to rotate, cooperating with the two turning assemblies 13 to simultaneously thread both ends of the cylinder; After completion, the fixing of the turned cylinder is released. When the driving member 211 is activated again, when the driving member 211 drives the cylinder to be processed to move through the mounting plate 212 and the elastic piece 214, the end of the cylinder to be processed contacts the end of the turned cylinder and ejects the turned cylinder, realizing automatic unloading.

[0026] In summary, in this embodiment, a mechanism for automatically loading and unloading cylinders is provided, which reduces manual intervention, reduces the working intensity of the staff, and improves the processing efficiency.

[0027] Example 2, refer to Figures 1 to 7, which is the second embodiment of the present invention. Different from the previous embodiment, this embodiment provides a threading device for U-bolts, which includes that the sliding assembly 22 includes a side plate 221 fixedly connected to the machine tool 11. On one side of the side plate 221 close to the driving member 211, a first telescopic rod 222 and a first spring 223 are fixedly connected. The first spring 223 is sleeved on the surface of the first telescopic rod 222. One ends of the first telescopic rod 222 and the first spring 223 are both connected to the side plate 221, and the ends of the first telescopic rod 222 and the first spring 223 far from the side plate 221 are both connected to the support plate 224; Among them, the arrangement of the first spring 223 and the first telescopic rod 222 ensures that the support plate 224 can only move horizontally in a straight line. Furthermore, the clamping assembly 23 on the support plate 224 can only move horizontally in a straight line, so that the clamping assembly 23 can drive the cylinder to directly insert into the center of the fixing assembly 12 through the two clamping jaws 2312, facilitating the center positioning and clamping of the cylinder by the fixing assembly 12, thereby facilitating the improvement of the turning accuracy of the turning assembly 13 for the cylinder.

[0028] Furthermore, the clamping assembly 23 includes a chute 231 opened on the support plate 224. Two sliders 232 are arranged inside the chute 231. The two sliders 232 are connected by an elastic strip 233. The elasticity of the elastic strip 233 is small. It only needs to make the two first planes 239 of the cap 237 and the two second planes 2311 of the two clamping jaws 2312 be misaligned, and the two clamping jaws 2312 can move away from each other to form a certain gap, so that neither of the two clamping jaws 2312 contacts the cylinder. One ends of the two sliders 232 both penetrate out of the chute 231 and are respectively connected to the two clamping jaws 2312; Among them, the chute 231 matches the moving trajectories of the two sliders 232, so that when the two clamping jaws 2312 are opened, they can drive the two sliders 232 to slide inside the chute 231, and the positions of the two clamping jaws 2312 correspond, facilitating the clamping of the cylinder by the two clamping jaws 2312. The chute 231 and the two sliders 232 are both trapezoidal, ensuring the stable connection between the slider 232 and the support plate 224, and further ensuring the stable connection between the clamping jaw 2312 and the support plate 224.

[0029] Furthermore, the clamping assembly 23 further includes a cross plate 234 fixedly connected to the support plate 224. A second telescopic rod 235 and a second spring 236 are connected to the top of the cross plate 234. The second spring 236 is sleeved on the surface of the second telescopic rod 235, and the ends of the second telescopic rod 235 and the second spring 236 far from the cross plate 234 are both fixedly connected to the cap 237; Among them, the arrangement of the second telescopic rod 235 and the second spring 236 ensures that the cap 237 can only move up and down in the vertical direction.

[0030] Further, the clamping assembly 23 further includes two first inclined surfaces 238 and two first flat surfaces 239 provided on the inner wall of the cap 237. Each first inclined surface 238 is connected to a first flat surface 239, and the two first inclined surfaces 238 and the two first flat surfaces 239 are both symmetric about the cap 237. The clamping assembly 23 further includes a second inclined surface 2310 and a second flat surface 2311 provided on the clamping jaw 2312, and the second inclined surface 2310 is matched with the first inclined surface 238.

[0031] Further, the releasing assembly 24 includes two L-shaped plates 241 mounted on the top of the machine tool 11. The two L-shaped plates 241 are symmetric, and third inclined surfaces 242 are provided on both of the two L-shaped plates 241. Two fourth inclined surfaces 243 are provided on the top of the cap 237, and the two first inclined surfaces 238 are symmetric about the cap 237. Wherein, the sliding assembly 22 is located between the two L-shaped plates 241. One of the L-shaped plates 241 is close to the fixing assembly 12, and the third inclined surface 242 thereon is used to open the two clamping jaws 2312, release the clamping of the cylinder, so that the fixing assembly 12 can clamp the cylinder, thereby turning the cylinder. The other L-shaped plate 241 is close to the concave deflector 14, and the third inclined surface 242 thereon is used to open the two clamping jaws 2312, release the clamping of the cylinder, so that the cylinder completed turning between the two clamping jaws 2312 falls into the interior of the collecting assembly 15 under the action of gravity through the gap between the two clamping jaws 2312.

[0032] Further, the elastic force of the first spring 223 is greater than the elastic force of the second spring 236. When the sliding assembly 22 is reset, the fourth inclined surface 243 on the cap 237 contacts the third inclined surface 242 of the L-shaped plate 241 close to the concave deflector 14, so that the two clamping jaws 2312 are automatically opened, avoiding that when the fourth inclined surface 243 on the cap 237 contacts the third inclined surface 242 of the L-shaped plate 241 close to the concave deflector 14 due to insufficient elastic force, the cap 237 is affected by the elastic force of the second spring 236, resulting in the cap 237 driving the clamping assembly 23 to stop moving and causing the situation of manual unlocking.

[0033] The remaining structures are the same as those in Embodiment 1.

[0034] Different from the above embodiment, in this embodiment, the first long rod 213 needs to be provided. When the driving member 211 pushes the pushing block 215 to move through the mounting plate 212 and the elastic piece 214, the pushing block 215 drives the cylinder to move. When the pushing block 215 fits against the inner wall of the concave-shaped flow guide frame 14 on the side away from the driving member 211, at this time, the first long rod 213 contacts the support plate 224. As the mounting plate 212 continues to drive the elastic piece 214 to move, since the pushing block 215 cannot move at this time, the pushing block 215 gets stuck at the bottom of the concave-shaped flow guide frame 14, preventing the subsequent conveyed cylinders from fitting against the bottom of the concave-shaped flow guide frame 14. At the same time, the elastic piece 214 deforms upward. When the elastic piece 214 passes through the pushing block 215, when the push rod pushes the support plate 224 to move, the support plate 224 drives the first telescopic rod 222 and the first spring 223 to be compressed. At the same time, the support plate 224 drives the cap 237 to move. When the fourth inclined surface 243 on the cap 237 is misaligned with the third inclined surface 242 on the L-shaped plate 241, under the elastic force of the second spring 236, the cap 237 rises, causing the two first inclined surfaces 238 on the cap 237 to respectively press the two second inclined surfaces 2310 on the two clamping jaws 2312, so that the two clamping jaws 2312 drive the two sliders 232 to linearly slide inside the chute 231. When the two first flat surfaces 239 on the cap 237 respectively contact the two second flat surfaces 2311 on the two clamping jaws 2312, the two clamping jaws 2312 clamp the cylinder; As the mounting plate 212 continues to drive the first long rod 213 to move, the first long rod 213 drives the two clamping jaws 2312 to move through the support plate 224 and the clamping assembly 23, and the two clamping jaws 2312 drive the cylinder to move. At this time, the cylinder presses the semi-circular surfaces of the two clamping jaws 2312. Under the action of the two first flat surfaces 239 and the two second flat surfaces 2311, the two clamping jaws 2312 cannot be opened, so the two clamping jaws 2312 can stably clamp the cylinder and drive the cylinder to move (different from the first embodiment, in this embodiment, at this time, the two clamping jaws 2312 drive the cylinder to move, and at this time, the elastic piece 214 does not contact the cylinder. The distance between the end of the elastic piece 214 and the cylinder is the length of the pushing block 215. When the cylinder is inserted into the fixing assembly 12, when the support plate 224 continues to drive the clamping assembly 23 to move, the two clamping jaws 2312 open, and at this time, the elastic piece 214 also moves in the direction of the fixing assembly 12. This distance is used to avoid the problem of the elastic piece 214 contacting the end of the cylinder, so as to avoid the problem of the cylinder contacting the elastic piece 214 when the fixing assembly 12 drives the cylinder to rotate, increasing wear); When the support plate 224 drives the two clamping jaws 2312 through the clamping assembly 23 and the cylinder penetrates into the appropriate position inside the fixing assembly 12, at this time, the fourth inclined surface 243 on the top of the cap 237 contacts the third inclined surface 242 of the L-shaped plate 241 close to the concave diversion frame 14, causing the cap 237 to descend. The cap 237 presses the second spring 236 and the second telescopic rod 235, causing the second spring 236 and the second telescopic rod 235 to be compressed. When the two first planes 239 on the cap 237 are misaligned with the two second planes 2311 of the two clamping jaws 2312, under the action of the elastic strip 233, the two clamping jaws 2312 open, so that the two clamping jaws 2312 do not contact the cylinder, avoiding the problem of wear caused by the contact between the cylinder and the clamping jaws 2312 during rotation. When the turning of the threads at both ends of the cylinder is completed, the driving member 211 resets. The driving member 211 drives the first long rod 213 to reset through the mounting plate 212, so that the first long rod 213 no longer presses the support plate 224. Under the action of the first spring 223, the support plate 224 resets, and the support plate 224 drives the clamping assembly 23 to reset. When the fourth inclined surface 243 on the top of the cap 237 is misaligned with the third inclined surface 242 of the L-shaped plate 241 close to the concave diversion frame 14, under the elastic force of the second spring 236, the cap 237 resets. The cap 237 presses the two second inclined surfaces 2310 of the two clamping jaws 2312 through the two first inclined surfaces 238 on it, so that the two clamping jaws 2312 clamp the cylinder. After completion, as the support plate 224 continues to drive the cylinder through the clamping assembly 23 and move in the direction of the diversion frame, when the fourth inclined surface 243 on the cap 237 contacts the third inclined surface 242 on the L-shaped plate 241 close to the concave diversion frame 14, the two clamping jaws 2312 are opened, releasing the clamping of the cylinder, and then the cylinder that has been turned between the two clamping jaws 2312 falls into the collection assembly 15 through the gap between the two clamping jaws 2312 under the action of gravity.

[0035] In summary, in this embodiment, a mechanism for automatically clamping a cylinder is provided, which can realize the automatic clamping of the cylinder, facilitate the fixing of the center of the cylinder by the fixing assembly 12, improve the machining accuracy of the thread turning of the cylinder, and thus improve the thread turning accuracy of the U-shaped bolt. At the same time, it reduces the working intensity of the staff and improves the production efficiency of the U-shaped bolt.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A threading device for a U-bolt, characterized in that: It includes a processing mechanism (1), which includes a machine tool (11). A fixing component (12) and two turning components (13) are arranged on the top of the machine tool (11). A concave-shaped diversion frame (14) is also arranged on the top of the machine tool (11), and a collection component (15) is arranged at the bottom of the machine tool (11); a feeding mechanism (2), which includes a driving component (21) and a sliding component (22) arranged on the machine tool (11). The driving component (21) is arranged at one end of the machine tool (11), and the driving component (21) is used to drive the sliding component (22) to move. A clamping component (23) for fixing a cylinder is arranged on the sliding component (22), and a releasing component (24) is arranged on the machine tool (11) and the sliding component (22); the clamping component (23) includes two clamping jaws (2312) arranged on the top of the machine tool (11), and the clamping surfaces of the two clamping jaws (2312) are semi-circular arcs.

2. The thread cutting device for U-bolts according to claim 1, characterized in that: The driving component (21) includes a driving part (211) arranged on the top of one end of the machine tool (11). The extending end of the driving part (211) is connected with a mounting plate (212). A first long rod (213) and a spring piece (214) are connected to the mounting plate (212). The end of the spring piece (214) far away from the mounting plate (212) is spherical. A push block (215) is slidably arranged on the concave-shaped diversion frame (14), and diversion inclined surfaces (216) are arranged at both ends of the push block (215) away from each other.

3. The threading device for U-bolts according to claim 2, characterized in that: The elastic force of the spring piece (214) is greater than the gravity of the cylinder.

4. The threading device for U-bolts according to claim 3, characterized in that: The sliding component (22) includes a side plate (221) fixedly connected with the machine tool (11). A first telescopic rod (222) and a first spring (223) are fixedly connected to the side of the side plate (221) close to the driving part (211). The first spring (223) is sleeved on the surface of the first telescopic rod (222). One ends of the first telescopic rod (222) and the first spring (223) are both connected with the side plate (221), and one ends of the first telescopic rod (222) and the first spring (223) far away from the side plate (221) are both connected with a support plate (224).

5. The thread cutting device for a U-bolt according to claim 4, characterized in that: The clamping component (23) includes a chute (231) opened on the support plate (224). Two sliders (232) are arranged inside the chute (231). The two sliders (232) are connected by an elastic bar (233). One ends of the two sliders (232) both penetrate out of the chute (231) and are respectively connected with the two clamping jaws (2312).

6. The thread cutting device for U-bolts according to claim 5, characterized in that: The clamping component (23) further includes a cross plate (234) fixedly connected with the support plate (224). A second telescopic rod (235) and a second spring (236) are connected to the top of the cross plate (234). The second spring (236) is sleeved on the surface of the second telescopic rod (235), and one ends of the second telescopic rod (235) and the second spring (236) far away from the cross plate (234) are both fixedly connected with a cap (237).

7. The thread cutting device for U-bolts according to claim 6, characterized in that: The clamping assembly (23) further includes two first inclined surfaces (238) and two first flat surfaces (239) provided on the inner wall of the cap (237). Each of the first inclined surfaces (238) is connected to a first flat surface (239), and the two first inclined surfaces (238) and the two first flat surfaces (239) are both symmetric about the cap (237).

8. The threading device for U-bolts according to claim 7, characterized in that: The clamping assembly (23) further includes a second inclined surface (2310) and a second flat surface (2311) provided on the jaw (2312), and the second inclined surface (2310) matches the first inclined surface (238).

9. The threading device for U-bolts according to claim 8, characterized in that: The release assembly (24) includes two L-shaped plates (241) mounted on the top of the machine tool (11). The two L-shaped plates (241) are symmetric, and third inclined surfaces (242) are provided on both of the two L-shaped plates (241). Two fourth inclined surfaces (243) are provided on the top of the cap (237), and the two first inclined surfaces (238) are symmetric about the cap (237).

10. The threading device for U-bolts according to claim 9, characterized in that: The elastic force of the first spring (223) is greater than the elastic force of the second spring (236).

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