Online concentricity detection device for steel seamless gas cylinder processing

Abstract

The utility model discloses an on-line concentricity detection device for steel seamless gas cylinder processing, which comprises a centering body, a middle shaft, a gauge stand and a digital display dial indicator, the top end of the middle shaft is rotatably connected with the centering body, the top end and the bottom end of the centering body are both internally provided with a first bearing which is rotatably matched with the outer surface of the middle shaft, and a second bearing which is rotatably matched with the outer surface of the middle shaft is arranged in the middle shaft. A gauge stand is arranged at the lower end of the middle shaft, and the gauge stand is matched with the middle shaft through a jackscrew; the gauge stand is provided with a digital display dial indicator through a connecting rod. The on-line concentricity detection device for steel seamless gas cylinder processing is simple in structure and practical in function, and effectively solves the problems that an existing device for measuring concentricity of a hydraulic press main shaft and a die is large in labor intensity, high in potential safety hazard and prone to causing safety accidents such as hand squeezing and scalding, and measurement accuracy depends on experience of workers.

Description

Technical Field

[0001] The utility model relates to the field of cylinder production equipment, in particular to an on-line concentricity detection device for processing steel seamless gas cylinders. Background Art

[0002] During the processing of steel seamless gas cylinders, it is necessary to on-line detect the concentricity between the main shaft of the hydraulic press and the die, so as to ensure the uniform wall thickness of the processed gas cylinders. In the prior art, manual use of a dial indicator is usually adopted for detection. However, since the main shaft stroke of a 2500-ton hydraulic press reaches 2 meters and the die depth is relatively large, manual measurement is difficult, the labor intensity is high, the measurement accuracy depends on the experience of workers, the potential safety hazard is high, and safety accidents such as squeezing hands and scalding are likely to occur. Therefore, how to develop an on-line concentricity detection device for processing steel seamless gas cylinders has become a technical problem urgently to be solved by those skilled in the art. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an on-line concentricity detection device for processing steel seamless gas cylinders, which solves the problems of high labor intensity, measurement accuracy depending on the experience of workers, high potential safety hazard, and easy occurrence of safety accidents such as squeezing hands and scalding in the existing device for measuring the concentricity between the main shaft and the die.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An on-line concentricity detection device for processing steel seamless gas cylinders of the utility model includes a centering body, a central shaft, a gauge block and a digital display dial indicator. The top of the central shaft is rotationally connected with the centering body. First bearings that are rotationally matched with the outer surface of the central shaft are arranged inside the top and bottom ends of the centering body. A gauge block is arranged at the lower end of the central shaft, and the gauge block is matched with the central shaft through a setscrew; the gauge block is provided with a digital display dial indicator through a connecting rod.

[0006] Further, an upper gland that is matched with the first bearing is arranged at the top of the centering body, and a lower gland that is matched with the first bearing is arranged at the lower end of the centering body.

[0007] Further, the first bearing adopts a rolling bearing; a sealing gasket that is matched with the first bearing is arranged inside the lower gland.

[0008] Further, the upper gland and the lower gland are fixedly arranged on the centering body through bolts.

[0009] Further, the gauge block includes a fixed block and a movable block. Guide rods and threaded rods are fixedly arranged on the movable block. A sliding cavity that is matched with the guide rods is formed on the fixed block. A rotating sleeve is rotatably arranged inside the fixed block, and threads that are matched with the threaded rods are arranged on the inner wall of the rotating sleeve.

[0010] Further, a driving nut is welded on the outer end face of the rotating sleeve.

[0011] Further, the rotating sleeve is rotatably arranged in the fixed block through a second bearing, and cover plates matched with the second bearing are arranged at both ends of the fixed block.

[0012] Further, a first fixing hole for inserting and matching with the connecting rod of the digital display dial indicator is arranged on the movable block, a second fixing hole for matching with the central shaft is arranged on the fixed block, and the second fixing hole is matched with the bottom end of the central shaft through a setscrew.

[0013] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0014] The on-line concentricity detection device for steel seamless gas cylinder processing of the present utility model installs the digital display dial indicator on the gauge block. During the production process, the main shaft of the hydraulic press moves up and down, and contacts with the digital display dial indicator instrument by the mold wall, detects the concentricity data between the main shaft of the hydraulic press and the mold, and transmits it to the computer display for recording. The on-line concentricity detection device for steel seamless gas cylinder processing of the present utility model utilizes the signal sent by the contact stroke dial indicator on the production mold wall and transmits it to the computer display, successfully realizing the automatic on-line monitoring and detection of the concentricity between the main shaft of the hydraulic press and the mold; the gauge block of the on-line concentricity detection device for steel seamless gas cylinder processing of the present utility model is divided into a fixed block and a movable block, and the distance between the fixed block and the movable block can be adjusted by the cooperation of the rotating sleeve and the threaded rod, so as to realize the adjustment of the position of the digital display dial indicator, so as to be suitable for molds of different specifications. Generally speaking, the on-line concentricity detection device for steel seamless gas cylinder processing of the present utility model has a simple structure and practical functions, effectively solving the problems of the existing device for measuring the concentricity between the main shaft of the hydraulic press and the mold, such as high labor intensity, measurement accuracy depending on the experience of workers, high potential safety hazards, and easy occurrence of safety accidents such as pinching hands and scalding. Description of the Drawings

[0015] The following further describes the present utility model with reference to the drawings:

[0016] Figure 1 is a schematic structural diagram (section view) of the on-line concentricity detection device for steel seamless gas cylinder processing of the present utility model;

[0017] Figure 2 is a top view of the gauge block (Embodiment 2);

[0018] Figure 3 is Figure 2 a sectional view of.

[0019] Explanation of the reference numerals in the accompanying drawings: 1. bolt; 2. upper pressure cover; 3. first bearing; 4. centering body; 5. lower pressure cover; 6. sealing gasket; 7. center shaft; 8. top screw; 9. dial base; 901. fixed block; 902. movable block; 903. guide rod; 904. sliding cavity; 905. threaded rod; 906. rotating sleeve; 907. first fixing hole; 908. second fixing hole; 909. driving nut; 910. second bearing; 911. cover plate; 10. connecting rod; 11. digital dial indicator. DETAILED DESCRIPTION

[0020] Example 1

[0021] like Figure 1 As shown, an online concentricity detection device for processing seamless steel gas cylinders includes a centering body 4, a center axis 7, a gauge base 9 and a digital dial indicator 11.

[0022] The top end of the central axis 7 is rotatably connected to the centering body 4, and the top and bottom ends of the centering body 4 are both provided with first bearings 3 rotatably matched with the outer surface of the central axis 7, and the top end of the centering body 4 is provided with an upper pressure cover 2 matched with the first bearing 3, and the lower end of the centering body 4 is provided with a lower pressure cover 5 matched with the first prime bearing 3. The upper pressure cover 2 and the lower pressure cover 5 are fixedly arranged on the centering body 4 by bolts 1.

[0023] The first bearing 3 is a rolling bearing; a sealing gasket 6 matched with the first bearing 3 is arranged in the lower pressure cover 5 .

[0024] A base 9 is provided at the lower end of the central axis 7 , and the base 9 cooperates with the central axis 7 through a top screw 8 .

[0025] The meter base 9 is provided with a digital dial indicator 11 via a connecting rod 10 .

[0026] The utility model is used for the online detection concentricity device of steel seamless gas cylinder processing. A digital dial indicator 11 is installed on a gauge seat 9, a center axis 7 is installed on a main axis of a hydraulic press through a centering body 4, the center axis 7, the gauge seat 9 and the digital dial indicator 11 are actively driven by the hydraulic press to move downward, and the digital dial indicator 11 is contacted with the mold wall. The digital dial indicator 11 can detect the concentricity of the main axis of the hydraulic press and the mold in all directions and at all depths by rotating along the center axis 7.

[0027] Example 2

[0028] like Figures 1 to 3 As shown, an online concentricity detection device for processing seamless steel gas cylinders includes a centering body 4, a center axis 7, a gauge base 9 and a digital dial indicator 11.

[0029] The top end of the central axis 7 is rotationally connected to the centering body 4. First bearings 3 that are rotationally matched with the outer surface of the central axis 7 are provided inside both the top end and the bottom end of the centering body 4. An upper gland 2 that cooperates with the first bearing 3 is provided at the top end of the centering body 4, and a lower gland 5 that cooperates with the first bearing 3 is provided at the lower end of the centering body 4. The upper gland 2 and the lower gland 5 are fixedly arranged on the centering body 4 through bolts 1.

[0030] The first bearing 3 is a rolling bearing; a gasket 6 that cooperates with the first bearing 3 is provided inside the lower gland 5.

[0031] A gauge block 9 is provided at the lower end of the central axis 7, and the gauge block 9 is matched with the central axis 7 through a setscrew 8.

[0032] A digital display dial indicator 11 is provided on the gauge block 9 through a connecting rod 10.

[0033] The gauge block 9 includes a fixed block 901 and a movable block 902. A first fixing hole 907 that is inserted and matched with the connecting rod 10 of the digital display dial indicator 11 is provided on the movable block 902. A second fixing hole 908 that is matched with the central axis 7 is provided on the fixed block 901, and the second fixing hole 908 is matched with the bottom end of the central axis 7 through a setscrew 8.

[0034] A guide rod 903 and a threaded rod 905 are fixedly arranged on the movable block 902. A sliding cavity 904 that is matched with the guide rod 903 is provided in the fixed block 901. A rotating sleeve 906 is rotatably arranged inside the fixed block 901, and threads that are matched with the threaded rod 905 are provided on the inner wall of the rotating sleeve 906. The rotating sleeve 906 is rotatably arranged inside the fixed block 901 through a second bearing 910, and cover plates 911 that are matched with the second bearing 910 are provided at both ends of the fixed block 901.

[0035] A drive nut 909 is welded on the outer end face of the rotating sleeve 906.

[0036] The gauge block 9 of the concentricity on-line detection device for steel seamless gas cylinder processing of the present utility model is divided into a fixed block 901 and a movable block 902. By the cooperation of the rotating sleeve 906 and the threaded rod 905, the distance between the fixed block 901 and the movable block 902 can be adjusted, so as to adjust the position of the digital display dial indicator 11, so as to be suitable for different specifications of molds.

[0037] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. An online concentricity detection device for processing seamless steel gas cylinders, characterized in that: The invention comprises a centering body (4), a center shaft (7), a dial base (9) and a digital dial indicator (11); the top end of the center shaft (7) is rotatably connected to the centering body (4); the top end and the bottom end of the centering body (4) are both provided with first bearings (3) rotatably matched with the outer surface of the center shaft (7); the lower end of the center shaft (7) is provided with a dial base (9); the dial base (9) is matched with the center shaft (7) through a top screw (8); the dial base (9) is provided with a digital dial indicator (11) through a connecting rod (10).

2. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 1 is characterized in that: The top end of the centering body (4) is provided with an upper pressure cover (2) that cooperates with the first bearing (3), and the lower end of the centering body (4) is provided with a lower pressure cover (5) that cooperates with the first prime bearing (3).

3. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 2 is characterized in that: The first bearing (3) is a rolling bearing; a sealing gasket (6) matching the first bearing (3) is arranged in the lower pressure cover (5).

4. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 2 is characterized in that: The upper pressure cover (2) and the lower pressure cover (5) are fixedly arranged on the centering body (4) by means of bolts (1).

5. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 1 is characterized in that: The table base (9) comprises a fixed block (901) and a movable block (902); a guide rod (903) and a threaded rod (905) are fixedly arranged on the movable block (902); a sliding cavity (904) cooperating with the guide rod (903) is provided on the fixed block (901); a rotating sleeve (906) is rotatably arranged in the fixed block (901); and a thread cooperating with the threaded rod (905) is arranged on the inner wall of the rotating sleeve (906).

6. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 5 is characterized in that: A driving nut (909) is welded on the outer end surface of the rotating sleeve (906).

7. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 5 is characterized in that: The rotating sleeve (906) is rotatably arranged in the fixed block (901) via a second bearing (910), and both ends of the fixed block (901) are provided with cover plates (911) that cooperate with the second bearing (910).

8. The on-line concentricity detection device for processing seamless steel gas cylinders according to claim 5 is characterized in that: The movable block (902) is provided with a first fixing hole (907) for plugging and cooperating with the connecting rod (10) of the digital dial indicator (11); the fixed block (901) is provided with a second fixing hole (908) for cooperating with the central axis (7); the second fixing hole (908) is cooperating with the bottom end of the central axis (7) via a top screw (8).

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