Perforating machine calibration device

Abstract

The utility model discloses a perforating machine calibration device, which relates to the technical field of perforating equipment, and comprises a sample block, one end of the sample block is provided with a front end shaft matched with a positioning device, and the other end of the sample block is provided with a rear end shaft matched with a centering device. During calibration, the ejector head of the perforating machine retreats from a hole pattern formed by the guide plate, the upper perforating roller and the lower perforating roller, at the moment, the sample block is inserted into the hole pattern, then the rear end shaft of the hole pattern sample rod is fixed through the centering device, and then the front end shaft of the hole pattern sample rod is fixed through the positioning device. The hole pattern deviation is determined by measuring the gaps between the sample block and the upper punching roller, the lower punching roller and the two guide plates, then the upper punching roller, the lower punching roller and the two guide plates are adjusted according to the deviation, use is convenient, on-line calibration of the hole pattern of the puncher is achieved, the problem that the on-line measurement error of the hole pattern of the puncher is large is solved, the hole pattern precision is guaranteed, and the production efficiency is improved. And the precision of rolled tubular billets is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of perforating equipment, in particular to a perforating machine calibration device. Background Art

[0002] In the production of seamless steel pipes, the perforation of the tube billet in the piercing machine is the first thermal deformation process of the metal. The hole accuracy of the piercing machine directly affects the quality of the perforated rough tube and is of great significance to the quality of the final product.

[0003] During the use of the piercing machine, as the rolling time increases, the tools and dies are severely worn, and the influence of equipment accuracy easily causes the perforation size to shift, resulting in large deviations in hole accuracy and obvious uneven metal deformation, which can easily cause poor quality of the rough pipe, greatly limiting the production rhythm and product quality. The existing hole measurement method results in large hole accuracy errors. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, a punching machine calibration device is provided, which can adjust the hole shape deviation in real time by online calibration of the hole shape of the punching machine, thereby ensuring the hole shape accuracy and improving the quality of the product.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A punching machine calibration device comprises a hole-shaped sample rod, wherein the hole-shaped sample rod comprises a sample block, one end of the sample block is provided with a front end shaft adapted to a positioning device, and the other end of the sample block is provided with a rear end shaft adapted to a centering device.

[0007] As an improved technical solution, an intermediate shaft is provided between the sample block and the rear end shaft, and the rear end shaft is slidably sleeved on the outer side of the intermediate shaft.

[0008] As an improved technical solution, a stopper cam is provided at the outer end of the intermediate shaft, a stopper ring adapted to the stopper cam is provided at the inner end of the rear end shaft, and the outer diameter of the stopper cam is adapted to the inner diameter of the rear end shaft.

[0009] As an improved technical solution, the sample block is detachably connected to the front end shaft and the intermediate shaft.

[0010] As an improved technical solution, the sample block is connected to the front end shaft and the intermediate shaft through threads.

[0011] As an improved technical solution, a base is provided at the lower end of the positioning device and the centering device, and the height of the positioning device and the centering device is adapted to the punching height of the punching machine.

[0012] As a preferred technical solution, during calibration, the positioning device and the centering device are fixedly connected to the front end shaft and the rear end shaft respectively by bolts.

[0013] As a preferred technical solution, the outer sides of the front end shaft and the rear end shaft are both provided with anti-slip grooves.

[0014] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] The utility model discloses a punching machine calibration device, comprising a hole pattern sample rod, the hole pattern sample rod comprising a sample block, one end of the sample block is provided with a front end shaft adapted to a positioning device, and the other end of the sample block is provided with a rear end shaft adapted to a centering device. During calibration, the punching machine's top head withdraws from the hole pattern formed by the guide plate and the upper and lower punching rollers, at which time the sample block is inserted into the hole pattern, and then the rear end shaft of the hole pattern sample rod is fixed by the centering device, and then the front end shaft of the hole pattern sample rod is fixed by the positioning device. The hole pattern deviation is determined by measuring the gap between the sample block and the upper and lower punching rollers and the two guide plates, and then the upper and lower punching rollers and the two guide plates are adjusted according to the deviation. The utility model discloses a punching machine calibration device, comprising a hole pattern sample rod, ...

[0016] In the utility model, an intermediate shaft is arranged between the sample block and the rear end shaft, and the rear end shaft is slidably sleeved on the outside of the intermediate shaft. When in use, the centering device is first fixed to the rear end shaft, and then the front end shaft is pulled to make the intermediate shaft slide inside the rear end shaft, and finally the sample block is in the position of the hole type, and then the front end shaft is fixed by the positioning device. It is easy to use and has stronger adaptability. The position of the sample block can be adjusted at any time, and it is more convenient to measure the gap between the sample block and the upper perforating roller, the lower perforating roller and the two guide plates.

[0017] A stop cam is provided at one end of the outer side of the intermediate shaft, and a stop ring adapted to the stop cam is provided at one end of the inner side of the rear end shaft. The outer diameter of the stop cam is adapted to the inner diameter of the rear end shaft to avoid disengagement of the intermediate shaft and the rear end shaft during use.

[0018] The sample block is detachably connected to the front end shaft and the intermediate shaft, and the sample block is connected to the front end shaft and the intermediate shaft by threads. A sample block of a suitable size can be selected according to the size of the tube blank to be punched, and the sample block can be easily replaced, saving costs.

[0019] A base is provided at the lower end of the positioning device and the centering device. The height of the positioning device and the centering device is adapted to the punching height of the punching machine. The hole-shaped sample rod is fixed more firmly during use. At the same time, the punching height is consistent with the calibrated height, and the adjustment is more accurate, which is beneficial to improving the quality of the punched products.

[0020] During calibration, the positioning device and the centering device are fixedly connected to the front shaft and the rear shaft respectively by bolts. By fixing the front shaft and the rear shaft, the two will not move during the measurement process, and the measurement result is more accurate.

[0021] The outer sides of the front end shaft and the rear end shaft are both provided with anti-slip grooves, so that the front end shaft and the rear end shaft are fixed more firmly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0024] Figure 2 yes Figure 1 Schematic diagram of the structure of the mesoporous sample rod;

[0025] Figure 3 yes Figure 1 Exploded view of the medium hole type sample rod;

[0026] Among them: 1. hole type sample rod; 2. sample block; 3. positioning device; 4. front end shaft; 5. centering device; 6. rear end shaft; 7. intermediate shaft; 8. stop cam; 9. stop ring; 10. internal thread; 11. external thread; 12. base; 13. bolt; 14. anti-slip pattern; 15. upper perforating roller; 16. lower perforating roller; 17. guide plate; 18. hole type. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] like Figure 1-3 As shown, a punch calibration device comprises a hole pattern sample rod 1, the hole pattern sample rod 1 comprises a sample block 2, one end of the sample block 2 is provided with a front end shaft 4 adapted to a positioning device 3, and the other end of the sample block 2 is provided with a rear end shaft 6 adapted to a centering device 5. During calibration, the punch head of the punch withdraws from the hole pattern 18 formed by the guide plate 17 and the upper punch roller 15 and the lower punch roller 16, at which time the sample block 2 is inserted into the hole pattern 18, and then the rear end shaft 6 of the hole pattern sample rod 1 is fixed by the centering device 5, and then the front end shaft 4 of the hole pattern 18 sample rod 1 is fixed by the positioning device 3. The hole pattern 18 deviation is determined by measuring the gap between the sample block 2 and the upper punch roller 15, the lower punch roller 16 and the two guide plates 17, and then the upper punch roller 15, the lower punch roller 16 and the two guide plates 17 are adjusted according to the deviation. It is easy to use, realizes the online calibration of the hole pattern 18 of the punch, and improves the punching quality.

[0029] An intermediate shaft 7 is provided between the sample block 2 and the rear end shaft 6, and the rear end shaft 6 is slidably sleeved on the outside of the intermediate shaft 7. When in use, the centering device 5 is first fixed to the rear end shaft 6, and then the front end shaft 4 is pulled to make the intermediate shaft 7 slide in the rear end shaft 6, and finally the sample block 2 is placed at the position of the hole type 18, and then the front end shaft 4 is fixed by the positioning device 3. It is easy to use and has stronger adaptability. The position of the sample block 2 can be adjusted at any time, and it is more convenient to measure the gap between the sample block 2 and the upper perforated roller 15, the lower perforated roller 16 and the two guide plates 17.

[0030] A stop cam 8 is provided at the outer end of the intermediate shaft 7, and a stop ring 9 adapted to the stop cam 8 is provided at the inner end of the rear end shaft 6. The outer diameter of the stop cam 8 is adapted to the inner diameter of the rear end shaft 6 to avoid disengagement between the intermediate shaft 7 and the rear end shaft 6 during use.

[0031] The sample block 2 is detachably connected to the front end shaft 4 and the intermediate shaft 7, and the sample block 2 is threadedly connected to the front end shaft 4 and the intermediate shaft 7. A sample block 2 of a suitable size can be selected according to the size of the tube blank to be punched, and the sample block 2 can be easily replaced, saving costs. In this embodiment, both ends of the sample block 2 are provided with internal threads 10, and both ends of the front end shaft 4 and the intermediate shaft 7 are provided with external threads 11 adapted to the internal threads 10.

[0032] A base 12 is provided at the lower end of the positioning device 3 and the centering device 5. The height of the positioning device 3 and the centering device 5 is adapted to the punching height of the punching machine. The hole-shaped sample rod 1 is more firmly fixed during use. At the same time, the punching height is consistent with the calibrated height, and the adjustment is more accurate, which is beneficial to improving the quality of the punched product.

[0033] During calibration, the positioning device 3 and the centering device 5 are respectively fixedly connected to the front shaft 4 and the rear shaft 6 by bolts 13. By fixing the front shaft 4 and the rear shaft 6, the two will not move during the measurement process, and the measurement result is more accurate.

[0034] The outer sides of the front end shaft 4 and the rear end shaft 6 are both provided with anti-slip grooves 14, so that the front end shaft 4 and the rear end shaft 6 are fixed more firmly.

[0035] The working principle of this utility model:

[0036] During calibration, the punch head of the punching machine exits the hole type 18 formed by the two guide plates 17 and the upper and lower perforating rollers 15 and 16. At this time, the rear end shaft 6 of the hole type sample rod 1 is fixed by the centering device 5, and then the front end shaft 4 is pulled toward one end of the positioning device 3 through the sliding connection between the intermediate shaft 7 and the rear end shaft 6 until the sample block 2 is in the hole type 18. At this time, the front end shaft 4 of the hole type sample rod 1 is fixed by the positioning device 3. Then, the gap between the sample block 2 and the upper and lower perforating rollers 15 and 16 and the two guide plates 17 is measured to determine the deviation of the hole type 18, and the upper and lower perforating rollers 15 and 16 and the two guide plates 17 are adjusted according to the deviation, and the online calibration is completed.

[0037] It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A punch calibration device, comprising a hole profile sample rod, characterized in that: The hole-shaped sample rod comprises a sample block, one end of which is provided with a front end shaft adapted to a positioning device, and the other end of which is provided with a rear end shaft adapted to a centering device.

2. A punch calibration device as claimed in claim 1, characterized in that: An intermediate shaft is arranged between the sample block and the rear end shaft, and the rear end shaft is slidably sleeved on the outer side of the intermediate shaft.

3. A punch calibration device as claimed in claim 2, characterized in that: A stopper protrusion is arranged at one end of the outer side of the intermediate shaft, and a stopper ring adapted to the stopper protrusion is arranged at one end of the inner side of the rear end shaft. The outer diameter of the stopper protrusion is adapted to the inner diameter of the rear end shaft.

4. A punch calibration device as claimed in claim 2, characterized in that: The sample block is detachably connected to the front end shaft and the intermediate shaft.

5. A punch calibration device as claimed in claim 4, characterized in that: The sample block is connected to the front end shaft and the intermediate shaft through threads.

6. A punch calibration device as claimed in claim 1, characterized in that: A base is provided at the lower ends of the positioning device and the centering device, and the height of the positioning device and the centering device is adapted to the punching height of the punching machine.

7. A punch calibration device as claimed in claim 1, characterized in that: During calibration, the positioning device and the centering device are fixedly connected to the front end shaft and the rear end shaft respectively by bolts.

8. A punch calibration device as claimed in claim 7, characterized in that: The outer sides of the front end shaft and the rear end shaft are both provided with anti-slip grooves.

Images