Steel bar thread rolling machine

Abstract

The utility model relates to the technical field of thread rolling machines, and discloses a steel bar thread rolling machine which comprises a machine frame, a thread rolling mechanism and a clamping mechanism are arranged on the machine frame, a portal frame is fixedly installed on the upper side of the machine frame, a lifting plate is installed in the portal frame in a sliding mode, a rotating shaft is rotatably installed on the lower side of the lifting plate, and a driving air cylinder is fixedly installed on the upper side of the portal frame. The telescopic end of the driving air cylinder is fixedly connected with the lifting plate, a mounting supporting plate is fixedly mounted on the side face of the rack, an adjusting base is slidably mounted on the upper side of the mounting supporting plate, and an adjusting screw is mounted on the mounting supporting plate in a threaded mode. According to the steel bar thread rolling machine, the rotating shaft moving up and down and the two rotating discs are arranged, during feeding, a to-be-machined steel bar leans against the two rotating discs, the end of the to-be-machined steel bar is pressed downwards through the rotating shaft, the to-be-machined steel bar is in a horizontal state so that the to-be-machined steel bar can be clamped and fixed, and the problems that when an existing steel bar thread rolling machine clamps a long steel bar, labor is wasted, and the machining efficiency is high are solved. And the processing efficiency is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of thread rolling machines, in particular to a steel bar thread rolling machine. Background Art

[0002] The steel bar thread rolling machine is a machine that uses the advanced rib stripping rolling process to process straight threads at the connection ends of steel bars. In the prior art, the patent document with announcement number CN212733984U discloses a steel bar thread rolling machine, including a first drive motor, a reducer, a thread rolling structure, a limit assembly, a vise, a pushing assembly and a base. The upper right end of the base is fixedly connected to the first drive motor, the output shaft of the first drive motor is fixedly connected to the reducer, the output shaft of the reducer is fixedly connected to the thread rolling structure, the upper left end of the base is fixedly connected to the limit assembly, the limit assembly includes a support plate, an adjusting screw, an adjusting nut and a fixed seat, the upper left end of the base is slidably connected to the support plate, and the middle position of the lower left end of the support plate is rotatably connected to the adjusting screw, the left end of the adjusting screw passes through the fixed seat, the outer annular end of the adjusting screw is threadedly connected to the adjusting nut and the adjusting nut is fixed in the middle position of the right end of the fixed seat. This design facilitates continuous thread rolling processing, improves production efficiency, and meets the thread rolling distances of steel bars of different sizes, thereby increasing the scope of use.

[0003] In actual use, many steel bars that need to be processed are relatively long. To roll the threads on their ends, workers need to place the steel bars horizontally and then clamp them. Lifting the steel bars up and down is very laborious, which seriously affects the processing efficiency. Based on this, the existing steel bar thread rolling machine has the problem of not being convenient enough to clamp longer steel bars, which needs further improvement. Utility Model Content

[0004] The purpose of the present invention is to provide a steel bar thread rolling machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solution: a steel bar thread rolling machine, comprising a frame, a thread rolling mechanism and a clamping mechanism being arranged on the frame, a gantry being fixedly mounted on the upper side of the frame, a lifting plate being slidably mounted in the gantry, a rotating shaft being rotatably mounted on the lower side of the lifting plate, a driving cylinder being fixedly mounted on the upper side of the gantry, and a telescopic end of the driving cylinder being fixedly connected to the lifting plate;

[0006] The side of the frame is fixedly installed with a mounting support plate, the upper side of the mounting support plate is slidably installed with an adjusting seat, the mounting support plate is threadedly installed with an adjusting screw, the top of the adjusting screw is rotatably connected to the adjusting seat, and the upper side of the adjusting seat is rotatably installed with two rotating disks. The steel bar to be processed is tilted against the position between the two rotating disks, and the rotating shaft moves downward and presses against the end of the steel bar to be processed, so that the steel bar to be processed is horizontal, and the steel bar to be processed is clamped and fixed by the clamping mechanism, which solves the problem that the existing steel bar thread rolling machine is laborious in clamping longer steel bars, affecting the processing efficiency.

[0007] In some embodiments, the thread rolling mechanism includes a sliding guide rail, a drive motor and a thread rolling tool. The sliding guide rail is fixedly installed on the upper surface of the frame, and a movable base is slidably installed on the surface of the sliding guide rail. The drive motor is fixedly installed on the upper side of the movable base, and a three-jaw chuck is fixedly installed on the rotating end of the drive motor. The thread rolling tool is clamped and fixed on the three-jaw chuck. A transmission shaft is rotatably installed inside the frame, and a gear is fixedly installed on the surface of the transmission shaft. A rack is fixedly installed on the lower side of the movable base. The gear and the rack are engaged for transmission. Rotating the transmission shaft can drive the movable base to move along the sliding guide rail.

[0008] In some embodiments, the clamping mechanism includes a fixed frame, which is fixedly installed on the upper surface of the frame. Two clamps are slidably installed in the fixed frame. A transmission screw with double-section thread teeth is rotatably installed in the fixed frame. The transmission screw is threadedly connected to the two clamps. The pitch of the two sections of thread teeth on the transmission screw is equal and the spiral direction is opposite. A wrench rod is inserted into the end of the transmission shaft and the transmission screw. Rotating the transmission screw in the forward or reverse direction can drive the two clamps to clamp or separate.

[0009] In some embodiments, an annular groove is provided on the surface of the rotating shaft, the top ends of the two rotating disks are both conical structures, and a plurality of anti-slip teeth are fixedly installed on the top conical surface of the rotating disk. The steel bars to be processed are placed between the two rotating disks and in the annular groove, which has a positioning function.

[0010] In some embodiments, two rotating motors are fixedly installed inside the adjustment seat, and two rotating disks are fixedly installed on the rotating ends of the two rotating motors respectively. The rotating disks rotate forward or reverse to push the steel bars to be processed to move.

[0011] Beneficial effects

[0012] The utility model provides a steel bar thread rolling machine, which has the following beneficial effects:

[0013] 1. The steel bar thread rolling machine is provided with a rotating shaft and two rotating disks that can move up and down. When loading, the steel bar to be processed is placed obliquely on the two rotating disks, and the rotating shaft is used to press down the end of the steel bar to be processed, so that the steel bar to be processed is in a horizontal state, so that it can be clamped and fixed. This solves the problem that the existing steel bar thread rolling machine is more laborious to clamp longer steel bars, which affects the processing efficiency.

[0014] 2. This steel bar thread rolling machine has an annular groove on the surface of the rotating shaft and a rotating disk with a conical top. The steel bar to be processed is placed between the two rotating disks and in the annular groove, which has a positioning function, so that the end face of the steel bar to be processed can be accurately inserted into the thread rolling tool. In addition, the rotating motor can drive the rotating disk to rotate forward or reverse, which can drive the steel bar to be processed to move, so as to adjust the clamping position and length, and provide auxiliary power for loading and unloading, greatly reducing the labor intensity of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 3 This is a side view structural diagram of the utility model;

[0018] Figure 4 It is a schematic diagram of the top view structure of the utility model.

[0019] In the figure: 1 frame, 2 gantry, 3 lifting plate, 4 rotating shaft, 5 driving cylinder, 6 mounting bracket, 7 adjusting seat, 8 adjusting screw, 9 rotating disk, 10 steel bar to be processed, 11 sliding guide rail, 12 driving motor, 13 thread rolling tool, 14 moving base, 15 three-jaw chuck, 16 transmission shaft, 17 gear, 18 rack, 19 fixed frame, 20 splint, 21 transmission screw, 22 rotating motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a steel bar thread rolling machine, comprising a frame 1, on which a thread rolling mechanism and a clamping mechanism are arranged, the thread rolling mechanism comprising a sliding guide rail 11, a driving motor 12 and a thread rolling tool 13, the sliding guide rail 11 is fixedly mounted on the upper surface of the frame 1, a movable base 14 is slidably mounted on the surface of the sliding guide rail 11, the driving motor 12 is fixedly mounted on the upper side of the movable base 14, a three-jaw chuck 15 is fixedly mounted on the rotating end of the driving motor 12, and the thread rolling tool 13 is clamped and fixed on the three-jaw chuck 15.

[0022] A transmission shaft 16 is rotatably mounted inside the frame 1 , a gear 17 is fixedly mounted on the surface of the transmission shaft 16 , a rack 18 is fixedly mounted on the lower side of the movable base 14 , and the gear 17 and the rack 18 are meshed for transmission.

[0023] The clamping mechanism includes a fixed frame 19, which is fixedly installed on the upper surface of the frame 1. Two clamping plates 20 are slidably installed in the fixed frame 19. A transmission screw 21 with double-section thread teeth is rotatably installed in the fixed frame 19. The transmission screw 21 is threadedly connected to the two clamping plates 20, wherein the pitch of the two sections of thread teeth on the transmission screw 21 is equal and the spiral directions are opposite. Wrench rods are inserted into the ends of the transmission shaft 16 and the transmission screw 21.

[0024] A gantry 2 is fixedly installed on the upper side of the frame 1, a lifting plate 3 is slidably installed inside the gantry 2, a rotating shaft 4 is rotatably installed on the lower side of the lifting plate 3, and a surface of the rotating shaft 4 is provided with an annular groove. A driving cylinder 5 is fixedly installed on the upper side of the gantry 2, and the telescopic end of the driving cylinder 5 is fixedly connected to the lifting plate 3.

[0025] A mounting bracket 6 is fixedly installed on the side of the frame 1, and an adjusting seat 7 is slidably installed on the upper side of the mounting bracket 6. An adjusting screw 8 is threadedly installed on the mounting bracket 6. The top of the adjusting screw 8 is rotatably connected to the adjusting seat 7. Two rotating disks 9 are rotatably installed on the upper side of the adjusting seat 7, wherein two rotating motors 22 are fixedly installed inside the adjusting seat 7, and the two rotating disks 9 are respectively fixedly installed on the rotating ends of the two rotating motors 22. The top ends of the two rotating disks 9 are both conical structures, and a plurality of anti-slip teeth are fixedly installed on the top conical surface of the rotating disk 9.

[0026] The steel bar 10 to be processed is tilted against the position between the two rotating disks 9, and the rotating shaft 4 moves downward and presses against the end of the steel bar 10 to be processed, so that the steel bar 10 to be processed is horizontal, and the steel bar 10 to be processed is clamped and fixed by the clamping mechanism.

[0027] By providing an annular groove on the surface of the rotating shaft 4 and providing a rotating disk 9 with a conical top end, the steel bar 10 to be processed is placed between the two rotating disks 9 and in the annular groove, which has a positioning function, so that the end face of the steel bar 10 to be processed can be accurately inserted into the thread rolling tool 13, and the rotating motor 22 can drive the rotating disk 9 to rotate forward or reverse, and can drive the steel bar 10 to be processed to move, so as to adjust the clamping position and length of the steel bar 10 to be processed, and provide auxiliary power for loading and unloading, greatly reducing the labor intensity of the operation.

[0028] The steel bar thread rolling machine is provided with a rotating shaft 4 and two rotating disks 9 that can move up and down. When loading, the steel bar 10 to be processed is placed obliquely on the two rotating disks 9, and the rotating shaft 4 is used to press down the raised end of the steel bar 10 to be processed, so that the steel bar 10 to be processed is in a horizontal state so as to clamp it and fix it. This solves the problem that the existing steel bar thread rolling machine has difficulty in clamping longer steel bars, which affects the processing efficiency.

[0029] Working principle: loading process, such as Figure 2 As shown, the steel bar 10 to be processed is placed obliquely on the two rotating disks 9, the cylinder 5 is driven to push the lifting plate 3 downward, and the rotating shaft 4 is used to press down the end of the steel bar 10 to be processed so that the steel bar 10 to be processed is in a horizontal state. Then, the rotating disk 9 is manually pushed or driven by the rotating motor 22 to rotate to push the steel bar 10 to be processed to move so that the end is inserted into the thread rolling tool 13. The transmission screw 21 is manually rotated to clamp the two clamps 20 on both sides of the steel bar 10 to be processed. The driving motor 12 drives the thread rolling tool 13 to rotate for thread rolling processing. After the processing is completed, the transmission screw 21 is rotated to release the clamping of the clamp 20, and the rotating motor 22 rotates in the opposite direction. The steel bar 10 to be processed is pulled out by reversing the rotating disk 9 to achieve unloading.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar thread rolling machine, comprising a frame (1), a thread rolling mechanism and a clamping mechanism being arranged on the frame (1), characterized in that: A gantry (2) is fixedly mounted on the upper side of the frame (1), a lifting plate (3) is slidably mounted inside the gantry (2), a rotating shaft (4) is rotatably mounted on the lower side of the lifting plate (3), a driving cylinder (5) is fixedly mounted on the upper side of the gantry (2), and a telescopic end of the driving cylinder (5) is fixedly connected to the lifting plate (3); A mounting support plate (6) is fixedly mounted on the side of the frame (1), an adjusting seat (7) is slidably mounted on the upper side of the mounting support plate (6), an adjusting screw (8) is threadedly mounted on the mounting support plate (6), the top end of the adjusting screw (8) is rotatably connected to the adjusting seat (7), two rotating disks (9) are rotatably mounted on the upper side of the adjusting seat (7), the steel bar (10) to be processed is tilted at a position between the two rotating disks (9), the rotating shaft (4) moves downward and presses against the end of the steel bar (10) to be processed, so that the steel bar (10) to be processed is horizontal, and the steel bar (10) to be processed is clamped and fixed by a clamping mechanism.

2. A steel bar thread rolling machine according to claim 1, characterized in that: The thread rolling mechanism comprises a sliding guide rail (11), a driving motor (12) and a thread rolling tool (13); the sliding guide rail (11) is fixedly mounted on the upper surface of the frame (1); a movable base (14) is slidably mounted on the surface of the sliding guide rail (11); the driving motor (12) is fixedly mounted on the upper side of the movable base (14); a three-jaw chuck (15) is fixedly mounted on the rotating end of the driving motor (12); and the thread rolling tool (13) is clamped and fixed on the three-jaw chuck (15).

3. A steel bar thread rolling machine according to claim 2, characterized in that: A transmission shaft (16) is rotatably mounted inside the frame (1), a gear (17) is fixedly mounted on the surface of the transmission shaft (16), a rack (18) is fixedly mounted on the lower side of the movable base (14), and the gear (17) and the rack (18) are meshed for transmission.

4. A steel bar thread rolling machine according to claim 3, characterized in that: The clamping mechanism comprises a fixed frame (19), the fixed frame (19) is fixedly mounted on the upper surface of the frame (1), two clamping plates (20) are slidably mounted in the fixed frame (19), a transmission screw (21) with double-segment thread teeth is rotatably mounted in the fixed frame (19), and the transmission screw (21) is threadedly connected to the two clamping plates (20).

5. A steel bar thread rolling machine according to claim 4, characterized in that: The pitches of the two sections of thread teeth on the transmission screw (21) are equal and the spiral directions are opposite, and the ends of the transmission shaft (16) and the transmission screw (21) are both provided with wrench rods.

6. A steel bar thread rolling machine according to claim 5, characterized in that: The surface of the rotating shaft (4) is provided with an annular groove.

7. A steel bar thread rolling machine according to any one of claims 1 to 6, characterized in that: Two rotating motors (22) are fixedly mounted inside the adjusting seat (7), and two rotating disks (9) are respectively fixedly mounted on the rotating ends of the two rotating motors (22).

8. The steel bar thread rolling machine according to claim 7, characterized in that: The top ends of the two rotating disks (9) are both conical structures, and a plurality of anti-slip teeth are fixedly mounted on the conical surfaces of the top ends of the rotating disks (9).

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