An automatic cutting and scrapping device for pipes with unqualified outer diameters

Abstract

The present invention relates to a device for automatically cutting and scrapping pipes with unqualified outer diameters. The device is characterized by comprising an infrared caliper and an infrared caliper bracket, wherein the infrared caliper and the infrared caliper bracket are connected and fixed by four hexagon socket screws. The present invention is novel in design and rational in concept. It primarily detects unqualified outer diameter pipes and cuts and scraps them. It also has a simple structure, saves costs, has minimal environmental dependence, is easy to install and operate, and is simple to operate, thereby preventing pipes with unqualified outer diameters from entering the market.

Description

Technical field

[0001] The invention relates to the technical field of straight pipe production, in particular to a device for automatically cutting and scrapping pipes with unqualified outer diameters. [Background Technology]

[0002] During the production process of straight pipes, due to reasons such as equipment performance, raw material performance, process parameters and production environment, the outer diameter may occasionally be too large or too small, resulting in substandard products. Detection and alarm devices are usually used on the market to detect the outer diameter and issue alarm notifications. Upon receiving the alarm notification, production personnel need to go to the site to select products with substandard outer diameters, which can easily lead to mistakes or omissions, ultimately causing substandard pipes to enter the market, which can easily cause complaints and affect the reputation of the product. [Summary of the invention]

[0003] The present invention aims to overcome the shortcomings of the prior art by providing a device for automatically cutting and scrapping unqualified pipes. This device addresses the drawback of existing technologies, whereby detection and alarm devices are typically used to detect and notify outer diameters. Upon receiving the alarm, production personnel must go on-site to sort out unqualified pipes, which can easily lead to incorrect selection or omissions, ultimately resulting in unqualified pipes entering the market.

[0004] The object of the present invention is achieved through the following technical solutions:

[0005] A device for automatically cutting and scrapping pipes with unqualified outer diameters comprises an infrared caliper and an infrared caliper bracket. The infrared caliper and the infrared caliper bracket are connected and fixed by four hexagonal screws.

[0006] The infrared diameter gauge is an instrument that uses the light and shadow method to detect contour dimensions.

[0007] The infrared diameter gauge bracket is made of thickened steel columns and steel plates cut and welded.

[0008] The sound and light alarm is fixed to the pipe pulling machine through three extended screws and nuts, and the timer is fixed to the pipe pulling machine through four screws.

[0009] The cutting machine base cabinet is connected and fixed to the overall fixing frame of the cutting machine by five hexagonal screws, and the cutting machine base cabinet provides support for the entire cutting machine.

[0010] The servo motor and the overall fixing frame of the cutting machine are connected and fixed by four hexagonal screws, the cutting machine tool holder and the shaft of the servo motor are connected and fixed by four hexagonal screws, and the cutting blade and the cutting machine tool holder are locked and fixed by four hexagonal screws.

[0011] The left and right support rings are connected and fixed to the overall fixing frame of the cutting machine through three hexagonal screws respectively. The left and right support rings mainly provide support for the pipe to ensure a smooth incision during cutting.

[0012] The rotary encoder mainly provides online length detection for the entire pipe production line to facilitate the production line system to perform fixed-length cutting. The rotary encoder and the rotary encoder bracket are fixed by threaded locking. The length measuring wheel of the rotary encoder is pressed on the top of the pipe produced online and rotates with the movement of the pipe. The rotary encoder bracket and the overall fixing frame of the cutting machine are connected and fixed by two hexagon socket screws. The nylon support wheel is connected and fixed to the overall fixing frame of the cutting machine through a rotating shaft and two hexagon socket screws. The nylon support wheel can roll freely on the rotating shaft. The nylon support wheel mainly prevents the online pipe from running back and forth to facilitate the measurement of the rotary encoder.

[0013] The nylon support wheel in this application is made of nylon material and will not scratch the pipe.

[0014] The main working method of this application is to combine a set infrared caliper, an infrared caliper bracket, an audible and visual alarm, a timer, a pipe traction machine, etc., use the infrared caliper to perform online outer diameter detection of the pipe and output an unqualified signal, the timer performs timing delay and finally uses the cutting machine to cut, forming a highly practical automatic cutting and scrapping device for unqualified pipe outer diameter.

[0015] When the pipe is produced normally, the online pipe coming out of the cooling water tank enters the detection area of ​​the infrared diameter gauge for inspection, and is then pulled to the left end by the pipe traction machine and transported over the nylon support wheel of the cutting machine. The length measuring wheel of the rotary encoder is then pressed on the online produced pipe for length measurement. The pipe then passes through the right and left support rings of the cutting machine in sequence. The timer setting value is then calculated based on the distance from the infrared diameter gauge to the cutting machine blade and the production speed of the pipe according to the "distance / production line speed" formula and set on the timer. At the same time, the upper and lower limits of the infrared diameter gauge are set according to the quality requirements.

[0016] During normal production, the system will cut the pipe to the required fixed length based on the length measured by the rotary encoder. When the infrared diameter gauge detects that the outer diameter of the online pipe exceeds the upper limit or is lower than the lower limit, the sound and light alarm will start to sound and light alarm to notify the operator that scrap will be generated here. On the other hand, the timer will start timing. When the set timing value is reached, the servo motor of the pipe cutting machine will drive the tool holder and the cutting blade on the tool holder to rotate to cut the pipe at the place where the outer diameter is unqualified, so as to cut the fixed length pipe into two sections and directly scrap the unqualified pipe, preventing the risk of the pipe flowing into the market due to omissions by personnel. Then the sound and light alarm will stop alarming, the timer will automatically reset, and the device will wait for the next time the online pipe is unqualified; the device is completed.

[0017] Compared with the prior art, the present invention has the following positive effects:

[0018] This application is novel in design and reasonable in conception. It mainly has the function of detecting unqualified outer diameter of pipes and cutting and scrapping them. At the same time, it has a simple structure, saves costs, has minimal dependence on the environment, is easy to install and operate, and is easy to operate, thus preventing pipes with unqualified outer diameters from entering the market.

Brief Description of the Drawings

[0019] Figure 1 A schematic diagram of the overall structure of the device of the present application;

[0020] Figure 2 The overall structural front view of the device of the present application.

[0021] The components in the accompanying drawings are numbered as follows: 1 is an infrared diameter gauge, 2 is an audible and visual alarm, 3 is a pipe traction machine, 4 is a nylon support wheel, 5 is a rotary encoder, 6 is a rotary encoder bracket, 7 is a cutting blade, 8 is a cutting machine tool holder, 9 is a servo motor, 10 is a cutting machine overall fixing frame, 11 is a cutting machine base cabinet, 12 is a timer, 13 is an infrared diameter gauge bracket, 14 is an online produced pipe, 15 is a right support ring, and 16 is a left support ring. [Specific implementation method]

[0022] The following provides a specific embodiment of a device for automatically cutting and scrapping pipes with unqualified outer diameters according to the present invention.

[0023] Example 1

[0024] Please see the attached Figure 1 and Figure 2 A device for automatically cutting and scrapping unqualified pipe outer diameters is characterized in that it mainly comprises an infrared caliper 1 and an infrared caliper bracket 13. The infrared caliper 1 is an instrument that uses the principle of light and shadow method to perform contour dimension detection; the infrared caliper bracket 13 is made of thickened steel columns and steel plates cut and welded, and the infrared caliper 1 and the infrared caliper bracket 13 are connected and fixed by four hexagonal screws.

[0025] The sound and light alarm 2 and the pipe tractor 3 are fixed by three lengthened screws and nuts, and the timer 12 and the pipe tractor 3 are connected and fixed by four screws.

[0026] The cutting machine base cabinet 11 is connected and fixed to the cutting machine overall fixing frame 10 by five hexagonal screws, and the cutting machine base cabinet 11 provides support for the entire cutting machine.

[0027] The servo motor 9 is fixed to the overall fixing frame 10 of the cutting machine by four hexagonal screws, the cutting machine tool holder 8 is fixed to the shaft of the servo motor 9 by four hexagonal screws, and the cutting blade 7 is fixed to the cutting machine tool holder 8 by four hexagonal screws.

[0028] The left support ring 16 and the right support ring 15 are respectively connected and fixed to the overall fixing frame 10 of the cutting machine by three hexagonal screws. The left support ring 16 and the right support ring 15 mainly provide support for the pipe 14 to ensure a smooth incision during cutting.

[0029] The rotary encoder 5 mainly provides online length detection for the entire pipe production line to facilitate the production line system to perform fixed-length cutting. The rotary encoder 5 and the rotary encoder bracket 6 are fixed by threaded locking. The length measuring wheel of the rotary encoder 5 is pressed above the pipe 14 produced online and rotates with the movement of the pipe 14. The rotary encoder bracket 6 is connected and fixed to the overall fixing frame 10 of the cutting machine by two hexagonal screws. The nylon support wheel 4 is connected and fixed to the overall fixing frame 10 of the cutting machine by a rotating shaft and two hexagonal screws. The nylon support wheel 4 can roll freely on the rotating shaft. The nylon support wheel 4 mainly prevents the online pipe from running back and forth to facilitate the measurement of the rotary encoder.

[0030] The specific implementation process of the device of this application during the test process is as follows: After the normal production of pipes, the online pipe 14 coming out of the cooling water tank enters the detection area of ​​the infrared caliper 1 for detection, and is then pulled to the left end by the pipe tractor 3. It then passes over the nylon support wheel 4 of the cutting machine, and then the length measuring wheel of the rotary encoder 5 is pressed on the online produced pipe 14 for length measurement. The pipe 14 then passes through the right support ring 15 and the left support ring 16 of the cutting machine in sequence. Then, according to the distance from the infrared caliper 1 to the cutting machine blade 7 and the production speed of the pipe, the setting value of the timer 12 is calculated according to the formula (distance / production line speed) and set on the timer 12. At the same time, the upper and lower limit values ​​of the infrared caliper 1 are set according to the quality requirements. During normal production, the system will cut the pipe to the required fixed length based on the length measured by the rotary encoder 5. When the infrared caliper 1 detects that the outer diameter of the online pipe 14 exceeds the upper limit or falls below the lower limit, the sound and light alarm 2 starts to sound a sound and light alarm to notify the operator that scrap will be generated. At the same time, the timer 12 starts counting. When the set time value is reached, the servo motor 9 of the pipe cutting machine is activated to drive the tool holder 8 and the cutting blade 7 on the tool holder to rotate and cut the pipe 14 at the part where the outer diameter does not meet the requirements, thus cutting the fixed-length pipe into two sections and directly scrapping the unqualified pipe, preventing the risk of the unqualified pipe entering the market due to omissions by personnel. Then the sound and light alarm 2 stops sounding, the timer 12 automatically resets, and the device waits for the next unqualified online pipe to be detected. The device operation is complete.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the concept of the present invention. These improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An automatic cutting and scrapping device for pipes with unqualified outer diameters, characterized in that: It includes an infrared caliper and an infrared caliper bracket. The infrared caliper and the infrared caliper bracket are connected and fixed by four hexagonal screws. The servo motor and the overall fixing frame of the cutting machine are connected and fixed by four hexagonal screws, the cutting machine tool holder and the shaft of the servo motor are connected and fixed by four hexagonal screws, and the cutting blade and the cutting machine tool holder are locked and fixed by four hexagonal screws; The left and right support rings are connected to the overall fixing frame of the cutting machine through three hexagonal screws respectively. The left and right support rings mainly provide support for the pipe to ensure a smooth cut during cutting; The rotary encoder mainly provides online length detection for the entire pipe production line to facilitate the production line system to perform fixed-length cutting. The rotary encoder and the rotary encoder bracket are fixed by threaded locking. The length measuring wheel of the rotary encoder is pressed above the pipe produced online and rotates with the movement of the pipe. The rotary encoder bracket is connected to the overall fixing frame of the cutting machine with two hexagonal screws. The nylon supporting wheel is connected to the overall fixing frame of the cutting machine with a rotating shaft and two hexagonal screws. The nylon supporting wheel can roll freely on the rotating shaft. The nylon supporting wheel mainly prevents the online pipe from running back and forth to facilitate the measurement of the rotary encoder. The sound and light alarm is fixed to the pipe pulling machine through three extended screws and nuts, and the timer is fixed to the pipe pulling machine through four screws. When pipe production is normal, the pipe exiting the cooling water tank enters the infrared caliper's inspection area for testing. It is then pulled by the pipe hauler to the left end and passed over the cutter's nylon support roller. The rotary encoder's length measuring wheel is pressed against the pipe being produced online for length measurement. The pipe then passes through the cutter's right and left support rings. The timer setting is calculated based on the distance from the infrared caliper to the cutter blade and the pipe production speed using the "distance / production line speed" formula. The timer is then set. The upper and lower limits of the infrared caliper are also set according to quality requirements. During normal production, the system will cut the pipe to the required fixed length based on the length measured by the rotary encoder. When the infrared diameter gauge detects that the outer diameter of the online pipe exceeds the upper limit or is lower than the lower limit, the sound and light alarm will start to sound and light alarm to notify the operator that scrap will be generated here. On the other hand, the timer will start timing. When the set timing value is reached, the servo motor of the pipe cutting machine will drive the tool holder and the cutting blade on the tool holder to rotate to cut the pipe at the place where the outer diameter is unqualified, so as to cut the fixed length pipe into two sections and directly scrap the unqualified pipe, preventing the risk of the pipe flowing into the market due to omissions by personnel. Then the sound and light alarm will stop alarming, the timer will automatically reset, and the device will wait for the next time the online pipe is unqualified; the device is completed.

2. The automatic cutting and scrapping device for pipes with unqualified outer diameters as claimed in claim 1, characterized in that: The infrared diameter gauge is an instrument that uses the light and shadow method to detect contour dimensions.

3. The automatic cutting and scrapping device for pipes with unqualified outer diameters as claimed in claim 1, characterized in that: The infrared diameter gauge bracket is made of thickened steel columns and steel plates cut and welded.

4. The automatic cutting and scrapping device for pipes with unqualified outer diameters as claimed in claim 1 is characterized in that: The cutting machine base cabinet is connected and fixed to the overall fixing frame of the cutting machine by five hexagonal screws, and the cutting machine base cabinet provides support for the entire cutting machine.

5. The automatic cutting and scrapping device for pipes with unqualified outer diameters as claimed in claim 1 is characterized in that: The nylon support roller is made of nylon and will not scratch the pipe.

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