Threaded shaft manufacturing device

Abstract

The utility model discloses a threaded shaft manufacturing device which comprises a manufacturing table, a mounting seat is fixedly arranged on the surface of the manufacturing table, a shaft piece is fixedly connected to the mounting seat in an inserted mode, meanwhile, a mounting block is arranged at the top of the shaft piece, the end of the outer side of the mounting block is welded and fixed to a stress plate, and the end of the stress plate is placed in a limiting piece. The bottom of the limiting piece is welded and fixed to a fixing cylinder, and meanwhile a guide column is inserted into the fixing cylinder. According to the threaded shaft manufacturing device, a threading die rotates on the upper side of a shaft piece and moves downwards, and tapping work is conducted on the upper side of the shaft piece; when the threading die moves downwards, the stress plate moves downwards on the outer side surface of the guide column through the four sets of fixing cylinders at the bottom under the supporting work of the limiting piece, the threading die which rotates and moves downwards can be limited and guided, the stability of the threading die in the downward movement process is guaranteed, and the threading die does not incline; the tapping efficiency and quality of the shaft piece are guaranteed, and the situation that tapping fails due to inclination of the threading die is avoided.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, in particular to a threaded shaft manufacturing device. Background Art

[0002] A threaded shaft is a shaft part with threads.

[0003] Its main features include: thread structure, that is, the surface has spiral raised patterns.

[0004] There are mainly the following ways to manufacture threaded shafts:

[0005] Cutting: Threads are cut directly on the shaft through turning, milling and other mechanical processing methods.

[0006] Rolling process: Use a thread rolling machine or a rolling die to roll the shaft to form threads.

[0007] Grinding: For high-precision threaded shafts, grinding technology can be used for processing.

[0008] Threading process: fix the blank on a bench vise, use a die, and manually process the external thread on the cylindrical blank.

[0009] When the threaded shaft is being threaded, the half-tooth tends to tilt when the tapping die is rotating on the cylindrical blank, resulting in tapping failure and waste of raw materials. Utility Model Content

[0010] The purpose of the utility model is to provide a threaded shaft manufacturing device to solve the defects mentioned in the above background technology.

[0011] To achieve the above-mentioned purpose, a threaded shaft manufacturing device is provided, including a manufacturing table, a mounting seat is fixedly arranged on the surface of the manufacturing table, and the mounting seat is plugged into and fixed to the shaft member, and a mounting block is arranged on the top of the shaft member, and the outer end of the mounting block is welded and fixed to the force-bearing plate, the end of the force-bearing plate is placed inside the limiting plate, and the bottom of the limiting plate is welded and fixed to the fixed tube, and a guide column is inserted into the inside of the fixed tube, and a spring is installed on the upper side of the guide column, and the spring is arranged inside the fixed tube; a die is installed inside the mounting block, and the die is arranged directly above the shaft member.

[0012] Preferably, positioning seats are welded at both ends of the die, and positioning grooves are provided on both sides of the inner wall of the mounting block, and the sizes of the positioning grooves and the positioning seats are matched, and the positioning seats are clamped inside the positioning grooves.

[0013] Preferably, the positioning groove and the positioning seat are both dovetail structures, and the depth of the positioning groove is equal to the thickness of the positioning seat.

[0014] Preferably, a positioning hole is opened on the surface of the mounting seat, and the bottom of the shaft is inserted into the positioning hole. At the same time, the right side surface of the shaft clamps the clamping seat, and the driving seat is fixed on the right side of the clamping seat, and the screw rod is movably installed on the right side surface of the driving seat.

[0015] Preferably, the screw rod is threadedly fixed on a fixing seat on the right side of the mounting seat surface, and the right end of the screw rod is fixedly connected to the force-bearing wheel.

[0016] Preferably, the limiting plate is a circular structure, and the limiting plate and the die are concentric circle structures, and four groups of fixing tubes are evenly installed on the bottom of the limiting plate, and U-shaped holes are opened on the surfaces of both sides of the fixing tubes.

[0017] Preferably, the sizes of the limiting columns inserted inside the U-shaped hole are adapted, and the limiting columns are provided in two groups and are respectively installed on both sides of the upper part of the guide column, and the guide column and the fixing cylinder are connected by a spring.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the die rotates on the upper side of the shaft and moves downward to perform tapping on the upper side of the shaft; when the die moves downward, the force plate moves downward on the outer surface of the guide column under the support of the limit plate through the four groups of fixed cylinders at the bottom, which can limit and guide the die that rotates downward to ensure the stability of the die when moving downward without tilting, thereby ensuring the tapping efficiency and quality of the shaft and preventing tapping failure due to the tilt of the die. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure die and mounting block of the utility model;

[0021] Figure 3 A top view of a manufacturing platform for the structure of the utility model;

[0022] Figure 4 It is a top view of the structural limiting piece of the utility model.

[0023] Numbers in the figure: 1. Die; 2. Positioning seat; 3. Mounting block; 31. Positioning groove; 4. Force plate; 5. Shaft; 6. Mounting seat; 7. Positioning hole; 8. Clamping seat; 9. Driving seat; 10. Screw; 11. Force wheel; 12. Limiting plate; 13. Fixing cylinder; 14. U-shaped hole; 15. Spring; 16. Limiting column; 17. Guide column; 18. Manufacturing table. DETAILED DESCRIPTION

[0024] See also Figure 1-4The utility model provides a threaded shaft manufacturing device, including a manufacturing table 18, a mounting seat 6 is fixedly arranged on the surface of the manufacturing table 18, and a shaft member 5 is plugged and fixed on the mounting seat 6, and a mounting block 3 is arranged on the top of the shaft member 5, and the outer end of the mounting block 3 is welded and fixed to a force-bearing plate 4, the end of the force-bearing plate 4 is placed inside a limiting plate 12, and the bottom of the limiting plate 12 is welded and fixed to a fixed cylinder 13, and a guide column 17 is inserted into the inside of the fixed cylinder 13, and a spring 15 is installed on the upper side of the guide column 17, and the spring 15 is arranged inside the fixed cylinder 13; a die 1 is installed inside the mounting block 3, and the die 1 is arranged directly above the shaft member 5.

[0025] Working principle: When in use, first insert the bottom of the shaft 5 into the inside of the positioning hole 7, and clamp and fix it through the clamping seat 8. At this time, rotate the force plate 4, so that the mounting block 3 drives the die 1 to rotate, so that the die 1 rotates on the upper side of the shaft 5 and moves downward, and tapping is performed on the upper side of the shaft 5; when the die 1 moves downward, the force plate 4 is supported by the limiting plate 12 and moves downward on the outer surface of the guide column 17 through the four groups of fixing tubes 13 at the bottom, which can limit and guide the rotating downward-moving die 1, ensure the stability of the die 1 when it moves downward, and prevent it from tilting, thereby ensuring the tapping efficiency and quality of the shaft 5, and preventing tapping failure due to the tilt of the die 1.

[0026] As a preferred embodiment, positioning seats 2 are welded at both ends of the die 1, and positioning grooves 31 are opened on both sides of the inner wall of the mounting block 3. At the same time, the positioning groove 31 is adapted to the size of the positioning seat 2, and the positioning seat 2 is clamped inside the positioning groove 31.

[0027] As a preferred implementation, the positioning groove 31 and the positioning seat 2 are both dovetail structures, and the depth of the positioning groove 31 is equal to the thickness of the positioning seat 2 .

[0028] A positioning hole 7 is provided on the surface of the mounting seat 6, and the bottom of the shaft 5 is inserted into the positioning hole 7. At the same time, the right surface of the shaft 5 clamps and fixes the clamping seat 8, and a driving seat 9 is fixedly arranged on the right side of the clamping seat 8. The right surface of the driving seat 9 is movably installed with a screw rod 10.

[0029] like Figure 1-4 As shown: the bottom of the shaft 5 is inserted into the positioning hole 7, so that the shaft 5 can be quickly positioned;

[0030] When the shaft 5 is subjected to force, its bottom is clamped and fixed by a clamping seat 8, thereby ensuring the stability of the shaft 5 when subjected to force and preventing it from rotating.

[0031] As a preferred embodiment, the screw rod 10 is screwed and fixed on a fixing seat on the right side of the surface of the mounting seat 6 , and the right end of the screw rod 10 is fixedly connected to the force wheel 11 .

[0032] The limiting piece 12 is a circular structure, and the limiting piece 12 and the die 1 are concentric circles. At the same time, four groups of fixing tubes 13 are evenly installed at the bottom of the limiting piece 12, and U-shaped holes 14 are provided on both side surfaces of the fixing tubes 13.

[0033] The die 1 is positioned and installed inside the mounting block 3 through the positioning seat 2 and the positioning groove 31. The positioning seat 2 and the positioning groove 31 can drive the die 1 to rotate together when the mounting block 3 is rotated under force, thereby ensuring the stability of the die 1 during tapping.

[0034] When the positioning seat 2 is inserted into the positioning groove 31, screws can be used to pass through the bottom plate of the mounting block 3 and screwed to the screw holes opened at the bottom of the positioning seat 2 to ensure the stability of the positioning seat 2 and the positioning groove 31 when subjected to force.

[0035] As a preferred embodiment, the size of the limiting column 16 inserted into the U-shaped hole 14 is adapted, and the limiting column 16 is provided in two groups respectively installed on both sides of the upper part of the guide column 17, and the guide column 17 and the fixed cylinder 13 are connected by a spring 15.

Claims

1. A threaded shaft manufacturing device, comprising a manufacturing station (18), characterized in that: A mounting seat (6) is fixedly arranged on the surface of the manufacturing table (18), and a shaft member (5) is inserted and fixed on the mounting seat (6). At the same time, a mounting block (3) is arranged on the top of the shaft member (5), and the outer end of the mounting block (3) is welded and fixed to the force-bearing plate (4), the end of the force-bearing plate (4) is placed inside the limiting plate (12), and the bottom of the limiting plate (12) is welded and fixed to the fixed cylinder (13), and at the same time, a guide column (17) is inserted into the inside of the fixed cylinder (13), and a spring (15) is installed on the upper side of the guide column (17), and the spring (15) is arranged inside the fixed cylinder (13); a die (1) is installed inside the mounting block (3), and the die (1) is arranged directly above the shaft member (5).

2. A threaded shaft manufacturing device according to claim 1, characterized in that: The two ends of the die (1) are welded with positioning seats (2), and positioning grooves (31) are provided on both sides of the inner wall of the mounting block (3). The positioning grooves (31) are adapted to the size of the positioning seats (2), and the positioning seats (2) are clamped inside the positioning grooves (31).

3. A threaded shaft manufacturing device according to claim 2, characterized in that: The positioning groove (31) and the positioning seat (2) are both dovetail-shaped structures, and the depth of the positioning groove (31) is equal to the thickness of the positioning seat (2).

4. A threaded shaft manufacturing device according to claim 1, characterized in that: A positioning hole (7) is provided on the surface of the mounting seat (6), and the bottom of the shaft member (5) is inserted into the positioning hole (7). At the same time, the right side surface of the shaft member (5) clamps and fixes the clamping seat (8), and a driving seat (9) is fixedly arranged on the right side of the clamping seat (8), and a screw rod (10) is movably installed on the right side surface of the driving seat (9).

5. A threaded shaft manufacturing device according to claim 4, characterized in that: The screw rod (10) is screwed and fixed on a fixing seat on the right side of the surface of the mounting seat (6), and the right end of the screw rod (10) is fixedly connected to the force-bearing wheel (11).

6. A threaded shaft manufacturing device according to claim 1, characterized in that: The limiting plate (12) is a circular structure, and the limiting plate (12) and the die (1) are concentric circle structures. At the same time, four groups of fixing tubes (13) are evenly installed at the bottom of the limiting plate (12), and U-shaped holes (14) are provided on both side surfaces of the fixing tubes (13).

7. A threaded shaft manufacturing device according to claim 6, characterized in that: The size of the limiting column (16) inserted into the interior of the U-shaped hole (14) is adapted, and the limiting column (16) is arranged in two groups and is respectively installed on both sides of the upper part of the guide column (17), and the guide column (17) and the fixing cylinder (13) are connected by a spring (15).

Images