A rolling and slotting device for high-strength self-extruding bolts for automobiles

Abstract

The utility model relates to the technical field of thread rolling and grooving devices, and discloses a thread rolling and grooving device for high-strength self-extruding bolts for automobiles, comprising: a bottom box, a rear plate is fixedly arranged at the rear of the upper end of the bottom box, a top shell is fixedly arranged at the front side of the upper end of the rear plate, and a first oil storage barrel is fixedly arranged at the upper end of the top shell; a first lubricating oil pump is arranged on the right side of the lower end of the first oil storage barrel, a three-way pipe is installed at the output end of the first lubricating oil pump, and a first solenoid valve and a second solenoid valve are respectively arranged at the two output ends of the three-way pipe, and single nozzles are installed on both sides of the lower end of the top shell; an electric telescopic rod, a fixed plate is fixedly arranged at the lower end of the electric telescopic rod, and a cleaning nozzle group is arranged on both sides of the fixed plate. The utility model cleans the thread rolling wheel by spraying lubricating oil using the lubricating oil pump in cooperation with the cleaning nozzle group, so that the debris attached to the outside of the thread rolling wheel is easy to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of thread rolling and grooving devices, in particular to a thread rolling and grooving device for high-strength self-extruding thread bolts of automobiles. Background Art

[0002] Automotive high-strength self-extruding bolts are a special type of fasteners, commonly used in automobiles and other mechanical systems that require high-strength connections. The characteristic of this bolt is that it can self-extrude threads that match the bolts in the holes of the connected materials during the tightening process, thus forming a reliable connection. High-strength self-extruding bolts are usually made of high-strength materials, such as alloy steel or stainless steel, to ensure that they can withstand harsh working conditions such as high loads and vibrations.

[0003] The thread rolling and grooving device for high-strength self-extruding thread bolts for automobiles is a special equipment used to process extruded threads (also called preformed threads or rolled threads) corresponding to the external threads on the shank of the bolt, and to open corresponding grooves for the bolt head so that tools such as screwdrivers or wrenches can be used for tightening operations.

[0004] In the prior art, debris is generated during the thread rolling and grooving process, and the debris adheres to the outside of the thread rolling wheel. If it is not cleaned in time, it will affect the subsequent thread rolling work and damage the threads on the outside of the bolt. Therefore, a thread rolling and grooving device for high-strength self-extruding bolts for automobiles is proposed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a thread rolling and grooving device for high-strength self-torque bolts for automobiles, so as to solve the problem of damage to the threads caused by failure to timely clean residual debris outside the thread rolling wheel proposed in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model provides the following technical solution: a thread rolling and grooving device for high-strength self-extruding bolts of automobiles, comprising:

[0009] A bottom box, a rear plate is fixedly arranged at the rear of the upper end of the bottom box, a top shell is fixedly arranged at the front side of the upper end of the rear plate, and a first oil storage barrel is fixedly arranged at the upper end of the top shell;

[0010] A first lubricating oil pump is arranged on the right side of the lower end of the first oil storage barrel, a three-way pipe is installed at the output end of the first lubricating oil pump, and a first solenoid valve and a second solenoid valve are respectively arranged at the two output ends of the three-way pipe, and a single nozzle is installed on both the left and right sides of the lower end of the top shell, and the three-way pipe is located at the lower end of the first solenoid valve and is connected to the single nozzle through a pipeline;

[0011] The electric telescopic rod is arranged at the middle position of the lower end of the top shell. A fixing plate is fixedly arranged at the lower end of the electric telescopic rod. Cleaning nozzle groups are arranged on both sides of the fixing plate. The three-way pipe is located at the lower end of the second solenoid valve and is connected to the cleaning nozzle group through a hose. The front end of the rear plate is located at both sides of the lower end of the single nozzle and thread rolling wheels are arranged.

[0012] Preferably, a top block and a bottom block are provided on the right side of the rear plate.

[0013] Preferably, a pneumatic pushing cylinder is installed at the lower end of the pushing block, a punch is installed at the lower end of the pneumatic pushing cylinder, a placement groove is provided inside the bottom block, and the pneumatic pushing cylinder is used to control the punch to groove the bolt blank.

[0014] Preferably, side guide plates are provided on both left and right sides of the upper end of the bottom box, and the side guide plates are fixedly connected to the bottom box, and the side guide plates are used to shield the lubricating oil and prevent it from splashing out.

[0015] Preferably, a second oil storage barrel is provided inside the bottom box, a second lubricating oil pump is installed inside the second oil storage barrel, the output end of the second lubricating oil pump is connected to the first oil storage barrel through a pipeline, and the second lubricating oil pump is used to pump the lubricating oil inside the second oil storage barrel into the first oil storage barrel.

[0016] Preferably, a filter cage is provided inside the upper end of the second oil storage barrel, a baffle is installed at the front end of the bottom box, and the baffle is rotatably connected to the bottom box through a hinge, and the filter cage is used to store and block debris.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a thread rolling and grooving device for high-strength self-extruding bolts for automobiles, which has the following beneficial effects:

[0019] The utility model closes the first solenoid valve and opens the second solenoid valve, starts the first lubricating oil pump to make it run at high speed, the first lubricating oil pump transmits the lubricating oil to the cleaning nozzle group at high speed, the cleaning nozzle group cleans the thread rolling wheel, starts the thread rolling wheel to make it rotate, and cooperates with the flushing work to clean the debris attached to the outside of the thread rolling wheel, thereby solving the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the overall internal structure of the utility model;

[0022] Figure 3 For the utility model Figure 2 A partial enlarged view of area A.

[0023] In the figure: 1. bottom box; 2. baffle; 3. back plate; 4. side guide plate; 5. top shell; 6. first oil storage barrel; 7. first lubricating oil pump; 8. three-way pipe; 9. first solenoid valve; 10. second solenoid valve; 11. single nozzle; 12. electric telescopic rod; 13. cleaning nozzle group; 14. thread rolling wheel; 15. top block; 16. bottom block; 17. pneumatic top cylinder; 18. punch; 19. placement groove; 20. second oil storage barrel; 21. second lubricating oil pump; 22. filter cage. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a technical solution, a thread rolling and slotting device for high-strength self-extruding bolts of automobiles, please refer to Figure 1 , Figure 2 and Figure 3 ,include:

[0026] A bottom box 1, a rear plate 3 is fixedly arranged at the rear of the upper end of the bottom box 1, a top shell 5 is fixedly arranged at the front side of the upper end of the rear plate 3, and a first oil storage barrel 6 is fixedly arranged at the upper end of the top shell 5;

[0027] The first lubricating oil pump 7 is arranged on the right side of the lower end of the first oil storage barrel 6. A three-way pipe 8 is installed at the output end of the first lubricating oil pump 7. The two output ends of the three-way pipe 8 are respectively provided with a first solenoid valve 9 and a second solenoid valve 10. Single nozzles 11 are installed on both sides of the lower end of the top shell 5. The three-way pipe 8 is located at the lower end of the first solenoid valve 9 and is connected to the single nozzle 11 through a pipeline;

[0028] The electric telescopic rod 12 is arranged at the middle position of the lower end of the top shell 5. A fixing plate is fixedly arranged at the lower end of the electric telescopic rod 12. Cleaning nozzle groups 13 are arranged on both sides of the fixing plate. The three-way pipe 8 is located at the lower end of the second solenoid valve 10 and is connected to the cleaning nozzle group 13 through a hose. The front end of the rear plate 3 is located at the lower end of the single nozzle 11 and thread rolling wheels 14 are arranged on both sides.

[0029] When in use, close the first solenoid valve 9 and open the second solenoid valve 10, start the first lubricating oil pump 7 to make it run at high speed, the first lubricating oil pump 7 transmits the lubricating oil to the cleaning nozzle group 13 at high speed, the cleaning nozzle group 13 cleans the thread rolling wheel 14, start the thread rolling wheel 14 to make it rotate, and cooperate with the flushing work to clean the debris attached to the outside of the thread rolling wheel 14. It should be noted that in order to save space and highlight the innovative elements of this patent, this solution is based on the existing bolt thread rolling and grooving device, and improves its non-thread rolling and grooving structure, such as lubricating oil pump, solenoid valve, electric telescopic rod 12, thread rolling wheel 14, pneumatic top cylinder 17 and other conventional equipment, which will not be repeated in this patent.

[0030] See also Figure 1 and Figure 2 A top block 15 and a bottom block 16 are provided on the right side of the rear plate 3 .

[0031] See also Figure 1 and Figure 2 A pneumatic top cylinder 17 is installed at the lower end of the top block 15, and a punch 18 is installed at the lower end of the pneumatic top cylinder 17. A placement groove 19 is arranged inside the bottom block 16. The pneumatic top cylinder 17 is used to control the punch 18 to slot the bolt blank.

[0032] See also Figure 1 and Figure 2 Side guide plates 4 are provided on both sides of the upper end of the bottom box 1, and the side guide plates 4 are fixedly connected to the bottom box 1. The side guide plates 4 are used to shield the lubricating oil and prevent it from splashing out.

[0033] See also Figure 1 and Figure 2 A second oil storage barrel 20 is arranged inside the bottom box 1, and a second lubricating oil pump 21 is installed inside the second oil storage barrel 20. The output end of the second lubricating oil pump 21 is connected to the first oil storage barrel 6 through a pipeline. The second lubricating oil pump 21 is used to pump the lubricating oil inside the second oil storage barrel 20 into the first oil storage barrel 6.

[0034] See also Figure 1 and Figure 2 A filter cage 22 is arranged inside the upper end of the second oil storage barrel 20, a baffle 2 is installed at the front end of the bottom box 1, and the baffle 2 is rotatably connected to the bottom box 1 through a hinge, and the filter cage 22 is used to store and block debris.

[0035] This solution: connect the air source to the pneumatic push cylinder 17, place the bolt embryo inside the placement groove 19 of the bottom block 16, start the pneumatic push cylinder 17 to control the punch 18 to hit the bolt embryo to form a cross groove, and place the grooved embryo between two thread rolling wheels 14 for thread rolling. During the thread rolling process, open the first solenoid valve 9 and the first lubricating oil pump 7, and spray the lubricating oil through the single nozzle 11 to lubricate the thread rolling wheel 14 and the embryo. When cleaning the thread rolling wheel 14, close the first solenoid valve 9 and open the second solenoid valve 10, and start the first lubricating oil pump 7. The lubricating oil pump 7 makes it run at high speed. The first lubricating oil pump 7 transmits the lubricating oil to the cleaning nozzle group 13 at high speed. The cleaning nozzle group 13 cleans the thread rolling wheel 14, starts the thread rolling wheel 14 to make it rotate, and cooperates with the flushing work to clean the debris attached to the outside of the thread rolling wheel 14. The flushed lubricating oil carries the debris and flows downward and falls into the filter cage 22. The debris is intercepted by the filter cage 22, and the lubricating oil enters the second oil storage barrel 20. The lubricating oil inside the second oil storage barrel 20 is pumped to the first oil storage barrel 6 for recycling through the second lubricating oil pump 21.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thread rolling and grooving device for high-strength self-extruding bolts for automobiles, characterized in that: include: A bottom box (1), a rear plate (3) is fixedly arranged at the rear of the upper end of the bottom box (1), a top shell (5) is fixedly arranged at the front side of the upper end of the rear plate (3), and a first oil storage barrel (6) is fixedly arranged at the upper end of the top shell (5); A first lubricating oil pump (7) is arranged on the right side of the lower end of the first oil storage barrel (6); a three-way pipe (8) is installed at the output end of the first lubricating oil pump (7); two output ends of the three-way pipe (8) are respectively provided with a first solenoid valve (9) and a second solenoid valve (10); single nozzles (11) are installed on both left and right sides of the lower end of the top shell (5); the three-way pipe (8) is located at the lower end of the first solenoid valve (9) and is connected to the single nozzle (11) through a pipeline; The electric telescopic rod (12) is arranged at the middle position of the lower end of the top shell (5); a fixing plate is fixedly arranged at the lower end of the electric telescopic rod (12); cleaning nozzle groups (13) are arranged on both sides of the fixing plate; a three-way pipe (8) is located at the lower end of the second solenoid valve (10) and is connected to the cleaning nozzle group (13) through a hose; and a front end of the rear plate (3) is located at both sides of the lower end of the single nozzle (11) and thread rolling wheels (14) are arranged.

2. The thread rolling and grooving device for high-strength self-extruding bolts for automobiles according to claim 1, characterized in that: A top block (15) and a bottom block (16) are arranged on the right side of the rear plate (3).

3. The thread rolling and grooving device for high-strength self-extruding bolts for automobiles according to claim 2, characterized in that: A pneumatic push cylinder (17) is installed at the lower end of the push block (15), a punch (18) is installed at the lower end of the pneumatic push cylinder (17), and a placement groove (19) is arranged inside the bottom block (16).

4. The thread rolling and grooving device for high-strength self-extruding bolts for automobiles according to claim 1, characterized in that: Side guide plates (4) are provided on both left and right sides of the upper end of the bottom box (1), and the side guide plates (4) are fixedly connected to the bottom box (1).

5. The thread rolling and grooving device for high-strength self-extruding bolts for automobiles according to claim 1, characterized in that: A second oil storage barrel (20) is arranged inside the bottom box (1), a second lubricating oil pump (21) is installed inside the second oil storage barrel (20), and an output end of the second lubricating oil pump (21) is connected to the first oil storage barrel (6) through a pipeline.

6. The thread rolling and grooving device for high-strength self-extruding bolts for automobiles according to claim 5, characterized in that: A filter cage (22) is provided inside the upper end of the second oil storage barrel (20), a baffle (2) is installed at the front end of the bottom box (1), and the baffle (2) is rotatably connected to the bottom box (1) via a hinge.

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