Tubular part inner wall surface hardening device

Abstract

The utility model relates to the technical field of metal hardening, in particular to a tubular part inner wall surface hardening device which comprises a bottom plate, the top of the bottom plate is connected with a pair of anti-explosion frames in a sliding mode, the side faces of the anti-explosion frames are fixedly connected with a fixing frame, and the inner wall of the fixing frame is fixedly connected with a motor. And the output end of the motor penetrates through the anti-explosion frame, the output end of the motor is fixedly connected with a threaded rod, the top of the bottom plate is fixedly connected with a supporting block, an explosion cylinder is arranged at the top of the supporting block, and a material guide frame is arranged on the outer side of the explosion cylinder. According to the device, waste gas is pumped through the dust pumping machine, the output pipe, the dust pumping pipe and the multiple dust pumping heads, waste gas leakage and influence on the body health of workers are avoided, the threaded rod is driven to rotate through the control motor, dust on the outer side of the explosion cylinder and the surface of the bottom plate is scraped and cleaned through the cleaning rod, and therefore the working efficiency is improved. And dust is prevented from diffusing to the outside to cause external environmental pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of metal hardening, in particular to a device for hardening the inner wall surface of a tubular part. Background Art

[0002] Since the destruction and failure of commonly used metal materials during their service generally begin from the metal surface, such as fracture, corrosion and wear, the quality of the surface structural performance of the metal material directly affects the comprehensive performance indicators of the metal material. Preparing a nanostructured layer on the surface of conventional metal materials can greatly improve the comprehensive performance and service life of the metal material. Since the explosion hardening method is simple to operate and has obvious effects, it is widely used in the field of hardening treatment.

[0003] With respect to the above-mentioned related technologies, the inventor believes that a large amount of dust will be generated during the existing metal hardening process, and the dust will spread to the outside, causing external environmental pollution. Therefore, the utility model provides a device for hardening the inner wall surface of a tubular part. Utility Model Content

[0004] The purpose of the present application is to provide a device for hardening the inner wall surface of a tubular part, so as to solve the problem in the above-mentioned background technology that a large amount of dust is generated during the existing metal hardening process, and the dust spreads to the outside, causing external environmental pollution.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a device for hardening the inner wall surface of a tubular part, comprising a base plate, a pair of explosion-proof frames are slidably connected to the top of the base plate, a fixing frame is fixedly connected to the side of the explosion-proof frame, a motor is fixedly connected to the inner wall of the fixing frame, the output end of the motor is passed through the explosion-proof frame, a threaded rod is fixedly connected to the output end of the motor, a support block is fixedly connected to the top of the base plate, an explosion tube is arranged on the top of the support block, a material guide frame is arranged on the outside of the explosion tube, and a cleaning assembly is arranged on the outside of the threaded rod.

[0006] Preferably, the cleaning assembly comprises a cleaning rod threadedly connected to the threaded rod, a sliding rod is fixedly connected to the top of the cleaning rod, and a dust scraping rod is fixedly connected to the outer side of the sliding rod.

[0007] Preferably, a dust extraction pipe is fixedly connected to the inner wall of the explosion-proof frame, a plurality of dust extraction pipes located on one side are fixedly connected with an interconnected connecting pipe, an output pipe is fixedly connected to the outer side of the dust extraction pipe, a plurality of interconnected dust extraction heads are fixedly connected to the inner wall of the dust extraction pipe, and the scraper rod is slidably connected to the outer side of the dust extraction head.

[0008] Preferably, baffles are detachably connected to both ends of the explosive tube, a positioning rod is fixedly connected to the top of the bottom plate, one end of the positioning rod is fixedly connected to a fixing plate, and a core rod is fixedly connected to the side of the fixing plate.

[0009] Preferably, a plurality of supporting legs are fixedly connected to the bottom of the base plate, and a pipe fitting is provided between the explosive tube and the core rod.

[0010] Preferably, a connection block is fixedly connected to the outer side of the explosion-proof frame, and a threaded hole is formed on the inner side of the connection block.

[0011] Preferably, a leakage port is provided on the inner side of the base plate, a collecting box matched with the leakage port is arranged at the bottom of the base plate, a limiting block is fixedly connected to the outer side of the collecting box, bolts are arranged on the outer side of the limiting block, and screw holes matched with the bolts are provided on the limiting block and the inner side of the base plate.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the exhaust gas is extracted through a dust extractor, an output pipe, a dust extraction pipe, and a plurality of dust extraction heads to avoid leakage of the exhaust gas and the impact on the health of the staff. The threaded rod is driven to rotate by a control motor, and the dust on the outside of the explosion tube and the surface of the bottom plate is scraped off by a cleaning rod, and the dust is cleaned to avoid the dust from spreading to the outside and causing external environmental pollution.

[0014] 2. In the utility model, the cleaning rod drives the scraping rod through the sliding rod to wipe the output end surface of the dust extraction head to avoid dust accumulation. The cleaning rod pushes the dust into the leakage port to collect the dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the axial structure of the utility model from a first viewing angle;

[0017] Figure 2 This is a schematic diagram of the axial structure of the utility model from a second viewing angle;

[0018] Figure 3 This is a schematic diagram of the structure of the dust extraction pipe and the cleaning rod in the utility model;

[0019] Figure 4It is a structural schematic diagram of the sliding rod and the dust scraping rod in the utility model.

[0020] In the figure: 1. bottom plate; 2. explosion-proof frame; 3. output pipe; 4. fixed frame; 5. motor; 6. collection box; 7. support leg; 8. material guide frame; 9. support block; 10. leakage port; 11. explosion tube; 12. pipe fitting; 13. dust extraction pipe; 14. cleaning rod; 15. dust extraction head; 16. connecting block; 17. threaded hole; 18. threaded rod; 19. sliding rod; 20. dust scraping rod; 21. fixed plate; 22. connecting pipe; 23. baffle; 24. core rod; 25. bolt; 26. limit block; 27. positioning rod. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Example 1: Reference Figure 1-4The device for hardening the inner wall surface of a tubular part shown in the figure comprises a bottom plate 1, a pair of explosion-proof frames 2 are slidably connected to the top of the bottom plate 1, a fixing frame 4 is fixedly connected to the side of the explosion-proof frame 2, a motor 5 is fixedly connected to the inner wall of the fixing frame 4, the output end of the motor 5 is penetrated by the explosion-proof frame 2, a threaded rod 18 is fixedly connected to the output end of the motor 5, a support block 9 is fixedly connected to the top of the bottom plate 1, an explosion tube 11 is arranged on the top of the support block 9, a material guide frame 8 is arranged on the outside of the explosion tube 11, and a cleaning component is arranged on the outside of the threaded rod 18, so as to facilitate the scraping of dust on the outside of the explosion tube 11 and the surface of the bottom plate 1; the cleaning component comprises a cleaning rod 14 threadedly connected to the threaded rod 18, and the top of the cleaning rod 14 is fixedly connected to the bottom plate 1. A sliding rod 19 is connected, and a dust scraping rod 20 is fixedly connected to the outer side of the sliding rod 19, and the dust scraping rod 20 is driven by the sliding rod 19 to wipe the output end of the dust extraction head 15; a dust extraction pipe 13 is fixedly connected to the inner wall of the explosion-proof frame 2, and a connecting pipe 22 is fixedly connected between multiple dust extraction pipes 13 on one side, and an output pipe 3 is fixedly connected to the outer side of the dust extraction pipe 13, and multiple interconnected dust extraction heads 15 are fixedly connected on the inner wall of the dust extraction pipe 13, and the dust scraping rod 20 is slidably connected to the outer side of the dust extraction head 15, and a dust extractor arranged outside extracts exhaust gas through the output pipe 3, the dust extraction pipe 13, and multiple dust extraction heads 15, and collects the exhaust gas to prevent the exhaust gas from spreading to the outside and causing air pollution outside.

[0024] In this embodiment, the pipe fitting is inserted between the explosion tube 11 and the core rod 24, and the explosive is introduced into the explosion tube 11 through the guide frame 8. The shock wave drives the wall of the pipe fitting 12 to impact the core rod 24 at an extremely high speed, so that the inner wall of the tubular 12 produces high strain rate plastic deformation, and the grains of the inner wall are refined or reach the nanometer level, so that the mechanical properties such as hardness, wear resistance and tensile strength are also significantly improved. The exhaust gas generated by the explosion diffuses into the explosion-proof frame 2, and the dust extractor installed outside extracts the exhaust gas through the output pipe 3, the dust extraction pipe 13, and a plurality of dust extraction heads 15, and collects the exhaust gas to prevent the exhaust gas from diffusing to the outside and causing external air pollution. The motor 5 is controlled to drive the threaded rod 18 to rotate, and the dust on the outside of the explosion tube 11 and the surface of the bottom plate 1 is scraped off through the cleaning rod 14.

[0025] Example 2: Reference Figure 1-4Based on the same concept as the first embodiment, the present embodiment further proposes that baffles 23 are detachably connected at both ends of the explosion tube 11, a positioning rod 27 is fixedly connected to the top of the bottom plate 1, one end of the positioning rod 27 is fixedly connected to the fixing plate 21, and a core rod 24 is fixedly connected to the side of the fixing plate 21 to support the pipe fittings; a plurality of supporting legs 7 are fixedly connected to the bottom of the bottom plate 1, and a pipe fitting 12 is arranged between the explosion tube 11 and the core rod 24; a connecting block 16 is fixedly connected to the outside of the explosion-proof frame 2, and a threaded hole 17 is provided on the inner side of the connecting block 16, so that a pair of explosion-proof frames 2 can be conveniently connected by bolts; a material leakage port 10 is provided on the inner side of the bottom plate 1, and a collecting box 6 matched with the material leakage port 10 is provided at the bottom of the bottom plate 1, and a limiting block 26 is fixedly connected to the outside of the collecting box 6, and a bolt 25 is provided on the outer side of the limiting block 26, and screw holes matched with the bolts 25 are provided on the inner side of the limiting block 26 and the bottom plate 1, so as to facilitate the cleaning of dust.

[0026] In this embodiment, the cleaning rod 14 drives the scraping rod 20 through the sliding rod 19 to wipe the output end surface of the dust extraction head 15 to avoid dust accumulation. The cleaning rod 14 pushes the dust into the leakage port 10 to collect the dust.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for hardening the inner wall surface of a tubular part, comprising a bottom plate (1), characterized in that: A pair of explosion-proof frames (2) are slidably connected to the top of the bottom plate (1), a fixing frame (4) is fixedly connected to the side of the explosion-proof frame (2), a motor (5) is fixedly connected to the inner wall of the fixing frame (4), an output end of the motor (5) passes through the explosion-proof frame (2), a threaded rod (18) is fixedly connected to the output end of the motor (5), a support block (9) is fixedly connected to the top of the bottom plate (1), an explosion tube (11) is arranged on the top of the support block (9), a material guide frame (8) is arranged on the outside of the explosion tube (11), and a cleaning component is arranged on the outside of the threaded rod (18).

2. A device for hardening the inner wall surface of a tubular part according to claim 1, characterized in that: The cleaning assembly comprises a cleaning rod (14) threadedly connected to the threaded rod (18); a sliding rod (19) is fixedly connected to the top of the cleaning rod (14); and a dust scraping rod (20) is fixedly connected to the outer side of the sliding rod (19).

3. A tubular component inner wall surface hardening device according to claim 2, characterized in that: A dust extraction pipe (13) is fixedly connected to the inner wall of the explosion-proof frame (2); a plurality of dust extraction pipes (13) located on one side are fixedly connected to a connecting pipe (22); an output pipe (3) is fixedly connected to the outer side of the dust extraction pipe (13); a plurality of dust extraction heads (15) are fixedly connected to the inner wall of the dust extraction pipe (13); and the dust scraping rod (20) is slidably connected to the outer side of the dust extraction head (15).

4. A tubular component inner wall surface hardening device according to claim 1, characterized in that: Baffles (23) are detachably connected to both ends of the explosive tube (11), a positioning rod (27) is fixedly connected to the top of the bottom plate (1), one end of the positioning rod (27) is fixedly connected to a fixing plate (21), and a core rod (24) is fixedly connected to the side of the fixing plate (21).

5. A tubular component inner wall surface hardening device according to claim 4, characterized in that: A plurality of supporting legs (7) are fixedly connected to the bottom of the base plate (1), and a pipe (12) is provided between the explosive tube (11) and the core rod (24).

6. The device for hardening the inner wall surface of a tubular part according to claim 1, characterized in that: A connection block (16) is fixedly connected to the outer side of the explosion-proof frame (2), and a threaded hole (17) is provided on the inner side of the connection block (16).

7. The device for hardening the inner wall surface of a tubular part according to claim 1, characterized in that: A material leakage opening (10) is provided on the inner side of the bottom plate (1), a collecting box (6) adapted to the material leakage opening (10) is provided at the bottom of the bottom plate (1), a limiting block (26) is fixedly connected to the outer side of the collecting box (6), a bolt (25) is provided on the outer side of the limiting block (26), and screw holes adapted to the bolt (25) are provided on the inner side of the limiting block (26) and the bottom plate (1).

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