Thread rolling device for bolt machining

Abstract

The utility model discloses a thread rolling device for bolt machining, and belongs to the technical field of bolt machining. The thread rolling device is characterized in that a feeding assembly comprises a left feeding plate and a right feeding plate which are arranged in parallel, a feeding channel is formed between the left feeding plate and the right feeding plate, and parts are arranged in the feeding channel; the thread rolling assembly comprises a thread plate fixed plate and a thread plate movable plate which are arranged in parallel, a thread rolling channel is formed between the thread plate fixed plate and the thread plate movable plate, the thread rolling channel is parallel to the feeding channel, and thread rolling is conducted on the part through the thread rolling channel; and the pushing assembly is arranged between the feeding assembly and the thread rolling assembly and can push the parts in the feeding channel into the thread rolling channel to be machined into products. The debugging method of the thread rolling device is simple and easy to operate, the service life of the debugged thread plate is stable, the quality is easy to control, the rejection rate is low, the machining efficiency is improved, and the cost is low. The utility model belongs to a thread rolling technology after heat treatment.

Description

Technical Field

[0001] The utility model relates to the field of high-strength and high-fatigue-life bolt processing, in particular to a thread rolling device used for bolt processing. Background Art

[0002] For high-strength bolts that require high fatigue life, the process of thread rolling after heat treatment is adopted. Currently, many manufacturers use thread rolling machines to roll threads, but the efficiency is low, 15-20 threads per minute. At the same time, thread rolling machines are also used for production, but because of the backward debugging method, the quality will be unstable and the life of the tooth plate will be unstable.

[0003] In view of the above problems, this application aims to design a device for thread rolling of standardized 12.9 grade bolts after heat treatment to avoid quality problems and waste in production. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a thread rolling device for bolt processing.

[0005] The technical solution of the utility model is: a thread rolling device for bolt processing, comprising:

[0006] A loading assembly, the loading assembly comprising a left loading plate and a right loading plate arranged in parallel, a loading channel being formed between the left loading plate and the right loading plate, and parts being arranged in the loading channel;

[0007] A thread rolling assembly, the thread rolling assembly comprising a thread plate fixing plate and a thread plate movable plate arranged in parallel with each other, a thread rolling channel is formed between the thread plate fixing plate and the thread plate movable plate, and the thread rolling channel is parallel to the feeding channel, and the thread rolling channel rolls the parts; and

[0008] The pushing assembly is arranged between the feeding assembly and the thread rolling assembly and can push the parts in the feeding channel into the thread rolling channel to be processed into products.

[0009] Furthermore, the discharge end of the feeding assembly is arranged to be inclined, and the inclination direction is from the right feeding plate to the left feeding plate and toward the thread rolling assembly, thereby ensuring the accuracy and timeliness of the feeding process.

[0010] Furthermore, the tooth plate fixed plate is arranged on the same side as the right feeding plate, and the tooth plate movable plate is arranged on the same side as the left feeding plate. This structural arrangement can ensure that the distance between the parts when moving between the feeding assembly and the thread rolling assembly is more stable.

[0011] Furthermore, the thread rolling channel is located on the left side of the feeding channel.

[0012] Furthermore, the minimum distance between the movable tooth plate and the end of the left feed plate is not greater than the diameter of the part. The movable tooth plate reciprocates along the thread rolling channel, and when it moves to the end close to the left feed plate, the part enters the thread rolling channel.

[0013] Furthermore, the distance between the tooth plate fixing plate and the end of the feeding channel is not greater than two part diameters, thereby ensuring a stable and continuous feeding process.

[0014] Furthermore, the pusher assembly includes a pusher plate, the pusher plate is provided with a driving source, and the pusher plate pushes the parts from the feeding channel to the thread rolling channel, thereby ensuring smooth pushing of the parts.

[0015] Furthermore, the push plate is arranged at an inclination, and its inclination direction is consistent with that of the discharge end of the loading assembly.

[0016] Furthermore, the feeding end of the feeding channel is connected to a vibration plate to ensure that the parts are transported upright.

[0017] Furthermore, the rolling speed of the rolling assembly is 45 pieces / minute.

[0018] Furthermore, the thread rolling stroke of the thread rolling assembly is at least six turns.

[0019] Furthermore, the tooth rolling equipment adopts the CRT19N model from Taiwan, China, and the tooth plate type is that the fixed plate has a length, width and height of 230*38*40 / the movable plate has a length, width and height of 265*38*40.

[0020] The beneficial technical effects of the utility model are: the debugging method of the thread rolling device provided in the application is simple and easy to operate, the life of the thread plate after debugging is stable, the quality is easy to control, the scrap rate is low, the processing efficiency is improved, and the cost is low. The application belongs to the thread rolling technology after heat treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an overall schematic diagram of the tooth rolling device.

[0022] Figure 2 It is a schematic diagram of the coordination between the push assembly and the feeding channel.

[0023] Figure 3 It is a schematic diagram of the parts.

[0024] in:

[0025] 1. Loading assembly, 11. Left loading plate, 12. Right loading plate, 13. Loading channel,

[0026] 2. Thread rolling assembly, 21. Thread plate fixing plate, 22. Thread plate movable plate, 23. Thread rolling channel,

[0027] 3. Pushing assembly, 31. Pushing plate,

[0028] 4. Parts. DETAILED DESCRIPTION

[0029] In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0030] See attached Figure 1-3 As shown, the thread rolling device for bolt processing of this embodiment includes:

[0031] A loading assembly 1, the loading assembly 1 comprises a left loading plate 11 and a right loading plate 12 arranged in parallel, a loading channel 13 is formed between the left loading plate 11 and the right loading plate 12, and a part 4 is arranged in the loading channel 13;

[0032] A thread rolling assembly 2, the thread rolling assembly 2 includes a thread plate fixing plate 21 and a thread plate movable plate 22 which are arranged parallel to each other, a thread rolling channel 23 is formed between the thread plate fixing plate 21 and the thread plate movable plate 22, and the thread rolling channel 23 is parallel to the feeding channel 13, and the thread rolling channel 23 rolls the part 4; and

[0033] The pushing assembly 3 is arranged between the feeding assembly 1 and the thread rolling assembly 2 and can push the parts 4 in the feeding channel 13 into the thread rolling channel 23 to be processed into products.

[0034] Furthermore, the discharge end of the feeding assembly 1 is arranged to be inclined, and the inclination direction is from the right feeding plate 12 to the left feeding plate 11 and toward the thread rolling assembly 2, so as to ensure the accuracy and timeliness of the feeding process.

[0035] Further, the tooth plate fixed plate 21 is arranged on the same side as the right feeding plate 12, and the tooth plate movable plate is arranged on the same side as the left feeding plate 11. This structural arrangement can ensure that when the part 4 moves between the feeding assembly 1 and the rolling assembly 2, the distance is more stable.

[0036] Furthermore, the thread rolling channel 23 is located on the left side of the feeding channel 13 .

[0037] Further, the minimum distance between the active plate of the tooth plate and the end of the left loading plate 11 is not greater than the diameter of the part 4. The active plate of the tooth plate reciprocates along the thread rolling channel 23, and when it moves to the end close to the left loading plate 11, the part 4 enters the thread rolling channel 23.

[0038] Furthermore, the distance between the tooth plate fixing plate 21 and the end of the feeding channel 13 is not greater than the diameters of the two parts 4, thereby ensuring a stable and continuous feeding process.

[0039] Further, the pusher assembly 3 includes a pusher plate 31, the pusher plate 31 is provided with a driving source, and the pusher plate 31 pushes the part 4 from the feeding channel 13 to the thread rolling channel 23, thereby ensuring smooth pushing.

[0040] Furthermore, the push plate is arranged to be inclined, and its inclination direction is consistent with that of the discharge end of the loading assembly 1 .

[0041] Furthermore, the feeding end of the feeding channel 13 is connected to a vibration plate to ensure that the parts 4 stand upright for transportation.

[0042] Furthermore, the rolling speed of the rolling assembly 2 is 45 pieces / minute.

[0043] Furthermore, the thread rolling stroke of the thread rolling component 2 is at least six turns.

[0044] Furthermore, the tooth rolling equipment adopts the CRT19N model from Taiwan, China, and the tooth plate type is that the fixed plate has a length, width and height of 230*38*40 / the movable plate has a length, width and height of 265*38*40.

[0045] The debugging method of the thread rolling device provided in the present application is simple and easy to operate, the life of the thread plate after debugging is stable, the quality is easy to control, the scrap rate is low, the processing efficiency is improved, and the cost is low. The present application belongs to the thread rolling technology after heat treatment.

[0046] First, install the pressure plate fixing plate on the fixed seat of the thread rolling machine, and then install a thread plate movable plate on the movable seat of the thread rolling machine. The part 4 is forked into the hopper barrel of the thread rolling machine by a forklift and sent to the vibrating plate of the thread rolling machine through a conveyor belt. It is transported through the feeding track, and the parts 4 are arranged upright. The push plate 31 first blocks the feeding channel 13. When rolling, the product is sent to the thread rolling channel 23 separately through the push plate 31, and the product blank is squeezed by the thread plate to form a thread.

[0047] Basic usage:

[0048] 1. Debugging steps: install the tooth plate into the equipment tooth plate seat, load the product into the vibration plate, adjust the track gap, and adjust the push plate 31;

[0049] 2. Debugging method: Use a dial indicator to level the end face of the tooth plate, use a cold-forged blank to align the tooth line, adjust the tooth plate spacing, and extrude the teeth into shape.

[0050] 3. The rubbing speed is controlled at 45 pieces / minute.

[0051] 4. For the thread rolling pressure, use the SK pressure monitor to set the pressure tolerance, start the machine to learn the pressure curve, and monitor the pressure after it stabilizes;

[0052] 5. The rolling stroke should be controlled to be at least 6 rounds.

[0053] 6. The tooth rolling equipment adopts the CRT19N model from Taiwan, China, with tooth plate type: the length, width and height of the fixed plate are 230*38*40 / the length, width and height of the movable plate are 265*38*40.

[0054] 7. The material of the tooth plate is American high-speed steel grade M42, and the thread is ground after heat treatment.

[0055] 8. The surface treatment of the tooth plate uses TiAl N.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A thread rolling device for bolt processing, characterized in that: include: A loading assembly (1), the loading assembly (1) comprising a left loading plate (11) and a right loading plate (12) arranged in parallel, a loading channel (13) being formed between the left loading plate (11) and the right loading plate (12), and a part (4) being arranged in the loading channel (13); A thread rolling assembly (2), the thread rolling assembly (2) comprising a thread plate fixing plate (21) and a thread plate movable plate (22) arranged parallel to each other, a thread rolling channel (23) being formed between the thread plate fixing plate (21) and the thread plate movable plate (22), and the thread rolling channel (23) being parallel to a feeding channel (13), and the thread rolling channel (23) rolling the parts (4); and A pushing assembly (3) is arranged between the feeding assembly (1) and the thread rolling assembly (2) and can push the parts (4) in the feeding channel (13) into the thread rolling channel (23) for processing into products.

2. The thread rolling device for bolt processing according to claim 1, characterized in that: The discharge end of the feeding assembly (1) is arranged to be inclined, and the inclination direction is from the right feeding plate (12) to the left feeding plate (11) and towards the thread rolling assembly (2).

3. The thread rolling device for bolt processing according to claim 1, characterized in that: The tooth plate fixing plate (21) is arranged on the same side as the right loading plate (12), and the tooth plate movable plate is arranged on the same side as the left loading plate (11).

4. The thread rolling device for bolt processing according to claim 1, characterized in that: The thread rolling channel (23) is located on the left side of the feeding channel (13).

5. The thread rolling device for bolt processing according to claim 1, characterized in that: The minimum distance between the movable tooth plate and the end of the left loading plate (11) is no greater than the diameter of the part (4).

6. The thread rolling device for bolt processing according to claim 1, characterized in that: The distance between the tooth plate fixing plate (21) and the end of the feeding channel (13) is no greater than the diameter of the two parts (4).

7. The thread rolling device for bolt processing according to claim 1, characterized in that: The pusher assembly (3) comprises a pusher plate (31), the pusher plate (31) is provided with a driving source, and the pusher plate (31) pushes the part (4) from the feeding channel (13) to the thread rolling channel (23).

8. The thread rolling device for bolt processing according to claim 7, characterized in that: The push plate is arranged in an inclined manner and is in the same inclination direction as the discharge end of the loading assembly (1).

9. The thread rolling device for bolt processing according to claim 1, characterized in that: The feeding end of the feeding channel (13) is connected to a vibration plate.

10. The thread rolling device for bolt processing according to claim 1, characterized in that: The thread rolling speed of the thread rolling component (2) is 45 pieces / minute.

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