Positioning mechanism of a thread rolling machine

Abstract

The utility model discloses a positioning mechanism of thread rolling machine, including two groups of horizontal placement inverted T type sliding base, two groups of sliding base upside slide have thread positioning board, the positioning board is equipped with two groups and is connected through double thread screw rod screw thread, and slides on the sliding base, the opposite face of two groups fixed extension support block on the positioning board, be equipped with pivot no.

Description

Technical Field

[0001] This utility model belongs to the field of thread rolling technology, specifically referring to a positioning mechanism for a thread rolling machine. Background Technology

[0002] In the field of profile processing, thread rolling machines are the core equipment for realizing thread processing on the surface of profiles. They are widely used in industries such as construction, machinery manufacturing, and automotive parts production. Through the extrusion action between the thread rolling wheel and the profile, a precise thread structure is formed on the surface of the profile, which directly affects the subsequent assembly accuracy and product lifespan.

[0003] Currently, most small and medium-sized thread rolling machines on the market lack stable automatic positioning mechanisms when processing long and narrow profiles (such as steel bars, steel pipes, and bolt blanks). During processing, operators must manually support both ends of the profile to ensure that the profile and the thread rolling wheel remain coaxially aligned, preventing profile misalignment that could lead to thread accuracy deviations or equipment jamming. However, manual support has significant drawbacks: Firstly, the thread rolling wheel rotates at high speed during operation, requiring the operator's hands to be in close contact with the moving parts. If the profile suddenly shifts or slips due to uneven force, it can easily cause accidents such as hand entanglement or crushing, posing a serious threat to the operator's personal safety. Secondly, the stability of manual support depends on the operator's experience and concentration. Prolonged operation can easily lead to fatigue and uneven support, causing quality problems such as taper and incomplete tooth profiles in the profile threads. It can also lead to wear on the thread rolling wheel and equipment failure due to profile misalignment, reducing processing efficiency and equipment lifespan.

[0004] Therefore, in response to the problems of significant safety hazards, unstable processing quality, and low efficiency in the existing thread rolling process where manual support of profiles is required, the development of a thread rolling machine positioning mechanism that can replace manual labor and achieve automatic and precise positioning of profiles has become an urgent technical need to be addressed in the industry. Utility Model Content

[0005] This invention aims to at least solve the problems of the need for manual support by operators during the tapping process of profiles, which can be dangerous, and the problem of profile misalignment caused by insufficient human endurance, resulting in equipment failure.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: The positioning mechanism of the thread rolling machine proposed by this utility model includes two sets of horizontally placed inverted T-shaped sliding bases. Thread rolling positioning plates slide on the upper side of the two sets of sliding bases. The positioning plates are symmetrically arranged in two sets and are connected by double-threaded screws and slide on the sliding bases. Support blocks are fixedly extended from the opposite surfaces of the two sets of positioning plates. A rotating shaft is provided on the support block, and three sets of rubber rollers are rotatably connected to it through bearings. Two sets of sliding grooves are also provided above the support block, and the sliding grooves penetrate the top wall of the positioning plate. An adjusting frame is raised and lowered in the sliding groove, and a sliding block extends vertically from the sliding groove. The sliding block slides in the sliding groove and is set higher than the support block. A rotating shaft is provided on the sliding block, and three sets of rubber rollers opposite to the rubber rollers are connected to the rotating shaft two through bearings. An adjusting screw is rotatably mounted on the upper end of the positioning plate for adjusting the height of the rubber rollers.

[0007] Furthermore, each set of rubber rollers is limited by two sets of baffles fixedly installed on the rotating shaft. The rotating shaft is parallel to the rotating shaft and is fixedly provided with baffles. The baffles are opposite to the baffles. Each set of rubber rollers is located between the two sets of baffles.

[0008] Furthermore, a support rod is vertically fixed to the upper end of the adjustment frame, and the adjustment screw passes through the middle of the support rod.

[0009] Furthermore, a handwheel is provided at the upper end of the adjusting screw. Rotating the handwheel causes the adjusting screw to move the adjusting frame and the sliding block up and down.

[0010] Furthermore, a rotating frame extends from the lower end of the positioning plate, and the double-threaded screw passes through the rotating frame and has a rotating wheel installed at one end.

[0011] Furthermore, the two sets of sliding bases clamp the double-threaded screw, with a gap between them.

[0012] The beneficial effects of this utility model by adopting the above structure are as follows:

[0013] 1. By using two opposing positioning plates that can be adjusted laterally, the distance between the two rubber rollers (first and second) can be changed after adjusting their relative positions, thereby adapting to the tapping effect of profiles with different diameters.

[0014] 2. By adjusting the height of the rollers, the second roller and the first roller are separated for further processing of the profile. The profile is clamped between the first roller and the second roller, which replaces manual support of the profile during tapping operations, reducing manual fatigue, ensuring personnel safety, and extending the service life of the equipment. Attached Figure Description

[0015] Figure 1 This is an overall structural diagram of the present invention;

[0016] Figure 2 This diagram shows the usage status of rubber roller 1, rubber roller 2, and positioning plate.

[0017] Figure 3 Detailed view of the second rubber roller, the adjusting frame, and the sliding block;

[0018] Figure 4 This is a diagram showing the usage state of this utility model.

[0019] The components are as follows: 1. Sliding base; 2. Positioning plate; 3. Double threaded screw; 4. Support block; 5. Rotating shaft one; 6. Rubber roller one; 7. Slide groove; 8. Adjusting frame; 9. Sliding block; 10. Rotating shaft two; 11. Rubber roller two; 12. Adjusting screw; 13. Baffle one; 14. Baffle two; 15. Support rod; 16. Handwheel; 17. Rotating frame; 18. Rotating wheel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Example 1:

[0023] As per the instruction manual Figure 1-4As shown, a positioning mechanism for a thread rolling machine includes two sets of horizontally placed inverted T-shaped sliding bases 1. Thread rolling positioning plates 2 slide on the upper side of the two sets of sliding bases 1. Two sets of positioning plates 2 are symmetrically arranged and threaded together by double-threaded screws 3, sliding on the sliding bases 1. A rotating frame 17 extends from the lower end of the positioning plate 2. The double-threaded screws 3 pass through the rotating frame 17 and have a rotating wheel 18 installed at one end. The two sets of sliding bases 1 clamp the double-threaded screws 3 with a gap between them. To prevent the positioning plates 2 from slipping, a limiting ring is provided at the end of the double-threaded screws 3. Support blocks 4 are fixedly extended from the opposite surfaces of the two sets of positioning plates 2. A rotating shaft 5 is provided on the support block 4, and three sets of rubber rollers 6 are rotatably connected to it via bearings. Each set of rubber rollers 6 is limited by two sets of baffles 13 fixedly installed on the rotating shaft 5. Two sets of sliding plates are also provided above the support block 4. The groove 7 penetrates the top wall of the positioning plate 2. An adjusting frame 8 is raised and lowered inside the groove 7, and a sliding block 9 extends vertically from the groove 7. A support rod 15 is also vertically fixed at the upper end of the adjusting frame 8. The sliding block 9 slides inside the groove 7 and is set higher than the support block 4. A rotating shaft 10 is provided on the sliding block 9, and three sets of rubber rollers 11 opposite to the rubber roller 6 are connected to the rotating shaft 10 by bearings. The rotating shaft 10 is set parallel to the rotating shaft 5 and is fixedly provided with baffles 14. The baffles 14 are opposite to the baffles 13. Each set of rubber rollers 11 is located between two sets of baffles 14. An adjusting screw 12 is rotated at the upper end of the positioning plate 2 to adjust the height of the rubber rollers 11. The adjusting screw 12 penetrates the middle of the support rod 15. A handwheel 16 is provided at the upper end of the adjusting screw 12. The handwheel 16 rotates the adjusting screw 12 to drive the adjusting frame 8 and the sliding block 9 to rise and fall.

[0024] In a specific implementation of this invention, the sliding base 1 serves as a counterweight and can be fixed to the machine tool via electromagnetic adsorption or other methods. The cylindrical profile to be tapped is then placed between two symmetrical positioning plates 2. Rotating the rotating wheel 18 drives the double-threaded screw 3, causing the two positioning plates 2 to move closer together. At this time, the first rubber roller 6 and the second rubber roller 11 on them also move closer together, until the first rubber roller 6 can position the profile to be processed, preventing it from falling. Then, the height of the second rubber roller 11 is adjusted by rotating the handwheel 16. As the handwheel 16 rotates, the height of the adjustment frame... 8 and sliding block 9 rise and fall within the slide groove 7, driving the second rubber roller 11 to rise and fall, adjusting the distance between it and the first rubber roller 6 to adapt to the diameter of the profile to be processed. Together with the first rubber roller 6, they clamp the profile. The first rubber roller 6 and the second rubber roller 11 are made of rubber and have a certain degree of flexibility. When the machine tool is tapping the profile, the worker can simply use the tool to push the tool behind the profile without direct contact, so that the smooth profile moves forward along the axis of the first rotating shaft 5 and the second rotating shaft 10, driving the first rubber roller 6 and the second rubber roller 11 to rotate. This overcomes the problem of traditional manual conveying of profiles, which is prone to danger.

[0025] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0026] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A positioning mechanism for a thread rolling machine, comprising two sets of horizontally placed inverted T-shaped sliding bases (1), characterized in that: Two sets of sliding bases (1) have threaded positioning plates (2) sliding on their upper sides. The positioning plates (2) are symmetrically arranged in two sets and are connected by double threaded screws (3) and slide on the sliding bases (1). Support blocks (4) are fixedly extended from the opposite surfaces of the two sets of positioning plates (2). A rotating shaft (5) is provided on the support block (4), and three sets of rubber rollers (6) are rotatably connected to it through bearings. Two sets of sliding grooves (7) are also provided above the support block (4), and the sliding grooves (7) penetrate the fixed bases (1). The top wall of the positioning plate (2) has an adjusting frame (8) that rises and falls in the slide groove (7), and a sliding block (9) extends vertically from the slide groove (7). The sliding block (9) slides in the slide groove (7) and is set higher than the support block (4). The sliding block (9) is provided with a rotating shaft (10), and the rotating shaft (10) is connected to three sets of rubber rollers (11) opposite to the rubber roller (6) by bearings. The upper end of the positioning plate (2) is rotated with an adjusting screw (12) for adjusting the height of the rubber rollers (11).

2. The positioning mechanism of the thread rolling machine according to claim 1, characterized in that: Each set of rubber rollers (6) is limited by two sets of baffles (13) fixedly installed on the rotating shaft (5). The rotating shaft (2) is set parallel to the rotating shaft (5) and is fixedly provided with baffles (14). The baffles (14) are opposite to the baffles (13), and each set of rubber rollers (11) is located between the two sets of baffles (14).

3. The positioning mechanism of the thread rolling machine according to claim 1, characterized in that: The upper end of the adjustment frame (8) is also vertically fixed with a support rod (15), and the adjustment screw (12) passes through the middle of the support rod (15).

4. The positioning mechanism of the thread rolling machine according to claim 2, characterized in that: The upper end of the adjusting screw (12) is provided with a handwheel (16). The handwheel (16) rotates the adjusting screw (12) to drive the adjusting frame (8) and the sliding block (9) to rise and fall.

5. The positioning mechanism of the thread rolling machine according to claim 3, characterized in that: The lower end of the positioning plate (2) extends into a rotating frame (17), and the double threaded screw (3) passes through the rotating frame (17) and has a rotating wheel (18) installed at one end.

6. The positioning mechanism of the thread rolling machine according to any one of claims 1-5, characterized in that: The two sets of sliding bases (1) clamp the double threaded screw (3) with a gap between them.

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