Automated straightening production line

Abstract

The present invention provides an automated straightening production line, which includes a bed workbench, an inner diameter measurement unit, a workpiece straightening unit, and a central control system; the inner diameter measurement unit is located at one end of the bed workbench and is used to measure the inner diameter of the workpiece and transmit the measurement data back to the central control system; the workpiece straightening unit includes a heating component and a cooling component; the heating component includes a straightening robot and a flame gun installed on the straightening robot; the flame gun is connected to the control system of the straightening robot and is used to heat a specific part of the workpiece; the control system of the straightening robot is also connected to the central control system; the cooling component is used to quickly cool the heated workpiece to achieve the purpose of straightening the workpiece. The automated straightening production line described in the present invention uses the principle of thermal expansion and contraction of metals to straighten workpieces with out-of-tolerance deformation into qualified workpieces. When the deformation of the workpiece exceeds the required tolerance, the deformation point is first heated and then cooled, which can effectively straighten the workpiece.

Description

Technical Field

[0001] The present invention belongs to the field of straightening production lines, and particularly relates to an automated straightening production line. Background Art

[0002] During the processing of tubular parts, unqualified parts often occur, and a set of equipment is needed to straighten the unqualified parts. In the straightening work, the principle of thermal expansion and contraction of metals is used to straighten the deformed and out-of-tolerance workpieces into qualified workpieces. When the deformation of the workpiece exceeds the required tolerance, the deformation point is first heated and then cooled to straighten the workpiece. Summary of the Invention

[0003] In view of this, the present invention aims to overcome the defects existing in the above-mentioned prior art and proposes an automated straightening production line.

[0004] To achieve the above object, the technical solution of the present invention is realized as follows:

[0005] The automated straightening production line includes a bed workbench, an inner diameter measuring unit, a workpiece straightening unit, and a central control system;

[0006] The bed workbench is a frame structure, and a groove-shaped part processing platform with an open top and a closed bottom is provided on the upper part; several brackets are also provided in the part processing platform for placing workpieces;

[0007] The inner diameter measuring unit is located at one end of the bed workbench and is used to measure the inner diameter of the workpiece;

[0008] The workpiece straightening unit includes a heating component and a cooling component; the heating component includes a straightening robot and a flame gun installed on the straightening robot; the flame gun is connected to the straightening robot control system and is used to heat the part of the workpiece to be heated; the straightening robot control system is also connected to the central control system; the cooling component is used to quickly cool the heated workpiece.

[0009] Further, the inner diameter measuring unit includes a sensor component and a power device three for pushing and pulling back the sensor component; the power device three is connected to the central control system;

[0010] The sensor component includes a sensor, a sensor bracket, and a sensor guide rail. The sensor is used to detect the inner diameter of the tubular part, and the signal output end of the sensor is connected to the central control system;

[0011] The sensor is installed on the sensor bracket, and the sensor bracket is placed on the sensor guide rail; a steel wire is fixedly installed at one end of the sensor bracket away from the processed workpiece, and the power device is used to push or pull back the steel wire.

[0012] Further, the cooling component includes a first sliding table and a cold water spray head; the cold water spray head is installed on the first sliding table; the cold water spray head is provided with a solenoid valve for controlling the water spraying of the cold water spray head; the solenoid valve is connected to the central control system;

[0013] The part processing platform is inclined, and there is an opening at the bottom of one end in the inclined direction, and a collection pool is communicated below the opening; the collection pool is used for recycling the used cooling water;

[0014] A circulation pump is provided at the bottom of the collection pool, the output end of the circulation pump is connected to a drain pipe, and the other end of the drain pipe is connected to the cold water spray head; a cooling device is provided outside the drain pipe.

[0015] Further, a linear guide rail is provided on each side of the part processing platform; the first sliding table is installed on the linear guide rail, and a first power device is correspondingly provided at one end of the linear guide rail for driving the first sliding table to move on the linear guide rail;

[0016] The heating component further includes a second sliding table; the straightening robot is installed on the second sliding table; the second sliding table is installed on the linear guide rail on the other side, and a second power device for driving the second sliding table to move on the linear guide rail is correspondingly provided at one end of the linear guide rail;

[0017] The drive circuits of the first power device and the second power device are connected to the central control system.

[0018] Further, a circular opening is provided on one side of the part processing platform adjacent to the inner diameter measuring unit, and the sensor enters the part processing platform through the circular opening.

[0019] Further, a rotary positioner is further provided in the part processing platform for controlling the rotation of the workpiece; a lifting device is further provided at the bottom of the rotary positioner for realizing the up and down displacement of the workpiece; the control circuits of the rotary positioner and the lifting device are connected to the central control system.

[0020] Further, the sensor adopts a non-contact displacement sensor.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] In the straightening work, the robot manipulates the flame gun to heat the deformation high points of the workpiece transmitted by the computer, and moves annularly around to form an annular temperature field, so that the workpiece quickly reaches the temperature requirement, creating a temperature difference requirement for cooling. The heating robot system first heats the highest point of the workpiece, and then sequentially heats the axial high points of the workpiece, and uses the principle of thermal expansion and contraction of metal to straighten the workpiece with deformation exceeding the tolerance into a qualified workpiece. When the deformation of the workpiece exceeds the required tolerance, first heat the deformation point and then cool it, which can effectively straighten the workpiece. Description of the Drawings

[0023] The accompanying drawings, which form a part of the present invention, are used to provide a further understanding of the present invention. The schematic embodiments and descriptions thereof of the present invention are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0024] Figure 1 Schematic diagram of the automatic straightening production line according to the embodiment of the present invention;

[0025] Figure 2 Front view schematic diagram of the automatic straightening production line according to the embodiment of the present invention;

[0026] Figure 3 Top view schematic diagram of the automatic straightening production line according to the embodiment of the present invention.

[0027] Explanation of reference numerals:

[0028] 1. Bed body workbench; 2. Sensor rack; 3. Power equipment three; 4. Straightening robot; 5. Cold water spray head; 6. Rotary positioner; 7. Slide table two. Detailed implementation manners

[0029] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it 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 an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The present invention will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0033] As Figure 1 shown, the automatic straightening production line includes a bed workbench 1, an inner diameter measuring unit, a workpiece straightening unit, and a central control system;

[0034] As Figure 2 and Figure 3 shown, the bed workbench 1 is a frame structure, and a groove-shaped part processing platform with an open top and a closed bottom is provided on the upper part; several brackets are also provided inside the part processing platform for placing workpieces;

[0035] The inner diameter measuring unit is located at one end of the bed workbench 1 for measuring the inner diameter of the workpiece and transmitting the measurement data back to the central control system;

[0036] The workpiece straightening unit includes a heating component and a cooling component; the heating component includes a straightening robot 4 and a flame gun installed on the straightening robot 4; the flame gun is connected to the control system of the straightening robot 4 for heating a specific part of the workpiece; the control system of the straightening robot 4 is also connected to the central control system; the cooling component is used to quickly cool the heated workpiece to achieve the purpose of straightening the workpiece;

[0037] The central control system is used to process the measurement data of the inner diameter measuring unit and control the workpiece straightening unit to complete the workpiece straightening operation according to the data.

[0038] The inner diameter measuring unit includes a sensor assembly and a power device three 3 for pushing and pulling back the sensor assembly; the power device three 3 is connected to the central control system; the power device three 3 includes a conveyor and a pulling-back motor;

[0039] The sensor assembly includes a sensor, a sensor rack 2, and a sensor guide rail. The sensor is used to detect the inner diameter of the tubular part, and the signal output end of the sensor is connected to the central control system;

[0040] The sensor is installed on the sensor rack 2, and the sensor rack 2 is placed on the sensor guide rail; a steel wire is fixedly installed at one end of the sensor rack 2 away from the processed workpiece, and the power device is used to push or pull back the steel wire.

[0041] The cooling component includes a first sliding table and a cold water spray head 5; the cold water spray head 5 is installed on the first sliding table; the cold water spray head 5 is provided with a solenoid valve for controlling the water spraying of the cold water spray head; the solenoid valve is connected to the central control system;

[0042] The part processing platform is inclined, and an opening is provided at the bottom of one end in the inclined direction, and a collection pool is communicated below the opening; the collection pool is used for recycling the used cooling water;

[0043] A circulation pump is provided at the bottom of the collection pool, the output end of the circulation pump is connected to a drain pipe, and the other end of the drain pipe is connected to the cold water spray head; a cooling device is provided outside the drain pipe.

[0044] A linear guide rail is provided on each side of the part processing platform; the first sliding table is installed on the linear guide rail, and a first power device is correspondingly provided at one end of the linear guide rail for driving the first sliding table to move on the linear guide rail;

[0045] The heating component further includes a second sliding table; the straightening robot 4 is installed on the second sliding table; the second sliding table is installed on the linear guide rail on the other side, and a second power device for driving the second sliding table to move on the linear guide rail is correspondingly provided at one end of the linear guide rail;

[0046] The first sliding table and the second sliding table are driven by screws;

[0047] The drive circuits of the first power device and the second power device are connected to the central control system.

[0048] A circular opening is provided on one side of the part processing platform adjacent to the inner diameter measuring unit, and the sensor enters the part processing platform through the circular opening.

[0049] A rotary indexing machine 6 is further provided inside the part processing platform for controlling the rotation of the workpiece; a lifting device is further provided at the bottom of the rotary indexing machine 6 for realizing the up and down displacement of the workpiece; the control circuits of the rotary indexing machine 6 and the lifting device are connected to the central control system. To ensure that the central axis positions of tubular parts of different specifications correspond to the sensor guide rails.

[0050] The sensor uses a non-contact displacement sensor.

[0051] The heating robot uses, but is not limited to, a Kawasaki RS010N robot.

[0052] When the automatic straightening production line is working, the inner diameter measuring unit transmits the measured data to the central control system. The central control system controls the power equipment II to drive the straightening robot 4 to move to the position where the workpiece needs to be straightened. The central control system controls the straightening robot 4 to operate the flame gun to heat the workpiece, and the rotary positioner 6 simultaneously controls the workpiece to rotate to cooperate with the straightening robot 4. After the heating is completed, the central control system controls the power equipment I to drive the cold water spray head 5 to move to the position where cooling is required, and then controls the solenoid valve to spray water to cool the workpiece to achieve the purpose of straightening the workpiece.

[0053] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. Automatic straightening production line, characterized in that: It includes a bed workbench (1), an inner diameter measuring unit, a workpiece straightening unit, and a central control system; The bed workbench (1) is of a frame structure, and a groove-shaped part processing platform with an open top and a closed bottom is provided on the upper part; several brackets are also provided in the part processing platform for placing workpieces; The inner diameter measuring unit is located at one end of the bed workbench (1) and is used for measuring the inner diameter of the workpiece; The workpiece straightening unit includes a heating component and a cooling component; the heating component includes a straightening robot (4) and a flame gun installed on the straightening robot (4); the flame gun is connected to the control system of the straightening robot and is used for heating the part of the workpiece to be heated; the control system of the straightening robot is also connected to the central control system; the cooling component is used for quickly cooling the heated workpiece; The cooling component includes a first slide and a cold water spray head (5); the cold water spray head (5) is installed on the first slide; the cold water spray head (5) is provided with an electromagnetic valve for controlling the water spraying of the cold water spray head (5); the electromagnetic valve is connected to the central control system; The part processing platform is inclined, and an opening is provided at the bottom of one end in the inclined direction, and a collection pool is communicated below the opening; the collection pool is used for recycling used cooling water; A circulation pump is provided at the bottom of the collection pool, the output end of the circulation pump is connected to a drain pipe, and the other end of the drain pipe is connected to the cold water spray head; a cooling device is provided outside the drain pipe; A rotary positioner (6) is also provided in the part processing platform for controlling the rotation of the workpiece; a lifting device is also provided at the bottom of the rotary positioner (6) for realizing the up and down displacement of the workpiece; the control circuits of the rotary positioner (6) and the lifting device are connected to the central control system; Among them, the rotary positioner (6) controls the rotation of the workpiece to cooperate with the straightening robot (4); A linear guide rail is provided on each side of the part processing platform; the first slide is installed on the linear guide rail, and a first power device is correspondingly provided at one end of the linear guide rail for driving the first slide to move on the linear guide rail; The heating component further includes a second slide; the straightening robot (4) is installed on the second slide (7); the second slide is installed on the linear guide rail on the other side, and a second power device for driving the second slide (7) to move on the linear guide rail is correspondingly provided at one end of the linear guide rail; The drive circuits of the first power device and the second power device are connected to the central control system.

2. The automated straightening production line according to claim 1, wherein: The inner diameter measuring unit includes a sensor component and a third power device (3) for pushing and pulling back the sensor component; the third power device (3) is connected to the central control system; The sensor component includes a sensor, a sensor bracket (2), and a sensor guide rail. The sensor is used for detecting the inner diameter of the tubular workpiece, and the signal output end of the sensor is connected to the central control system; The sensor is installed on the sensor bracket (2), and the sensor bracket (2) is placed on the sensor guide rail.

3. The automated straightening production line according to claim 2, characterized in that: A circular opening is provided on one side of the part processing platform adjacent to the inner diameter measuring unit, and the sensor enters the part processing platform through the circular opening.

4. The automated straightening production line according to claim 2, wherein: The sensor adopts a non-contact displacement sensor.

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