Automatic cutting and blanking device for sucker rod

Abstract

The invention is suitable for the technical field of sucker rod machining, and particularly relates to an automatic cutting and blanking device for sucker rods, the device comprises a base, a movable mounting seat and a fixed mounting seat, the movable mounting seat and the fixed mounting seat are both rotatably connected with clamping mechanisms, the base is provided with a laser gun head and a temperature measuring probe, and the laser gun head is provided with a laser cutting head; an end plate is fixedly arranged at the end of the base, a distance sensor is fixedly arranged on the end plate, a second motor is fixedly installed on the base, an output shaft of the second motor is fixedly connected with a threaded rod, the temperature rising speed of the workpiece is detected through a temperature measuring probe, and the rotating speed of the workpiece is controlled according to the temperature rising speed. In the machining process, the heating speed of the current workpiece can be detected by detecting the heating speed, then the workpiece is controlled to rotate, molten materials generated by workpiece cutting can fly out along the tangent line under the action of centrifugal force and are prevented from dripping into an inner cavity of the workpiece, the inner cavity of the workpiece does not need to be cleaned subsequently, and the machining efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of pumping rod processing, and in particular relates to an automatic cutting and blanking device for pumping rods. Background Art

[0002] The sucker rod is one of the indispensable equipment in the process of oil extraction. It is mainly used to connect the ground pumping unit with the downhole pump to transmit the ground power to the downhole, so as to realize the extraction of crude oil. It is usually a long and thin steel rod, which can be composed of multiple sections of sucker rods according to the depth of the oil well. The sucker rod needs to withstand complex mechanical conditions during operation, including tension, compression and wear, so there are high requirements for its material strength and durability. In order to improve efficiency and adapt to different working environments, modern sucker rods, in addition to traditional steel sucker rods, also have lightweight and high-strength sucker rods made of composite materials.

[0003] For hollow sucker rods, during laser cutting, the raw materials melt and the melted materials will enter the inside of the sucker rod, affecting the inner diameter of the sucker rod. Subsequent cleaning is required, which increases the processing steps and affects production efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic cutting and unloading device for sucker rods, aiming to solve the problem that during laser cutting, due to the melting of raw materials, the molten material will enter the inside of the sucker rod, affecting the inner diameter of the sucker rod, requiring subsequent cleaning, increasing the processing steps, and affecting production efficiency.

[0005] The present invention is implemented as follows: an automatic cutting and unloading device for a sucker rod, the device comprising: A base, a group of movable mounting seats and multiple groups of fixed mounting seats are fixedly arranged on the base, the movable mounting seats and the fixed mounting seats are rotatably connected with a clamping mechanism, the clamping mechanism is used to clamp the workpiece, a laser generator is installed on the base through a lifting assembly, the laser generator includes a laser gun head and a temperature measuring probe, the temperature measuring probe is used to measure the temperature of the welding point, an end plate is fixedly arranged at the end of the base, a distance sensor is fixedly arranged on the end plate, a second motor is fixedly installed on the base, the output shaft of the second motor is fixedly connected with a threaded rod, the movable mounting seat is connected to the threaded rod through a threaded hole, the heating speed of the workpiece is detected by the temperature measuring probe, and the rotation speed of the workpiece is controlled according to the heating speed.

[0006] Preferably, the clamping mechanism includes a mounting ring, two groups of guide sleeves are fixedly installed on the inner wall of the mounting ring, the two groups of guide sleeves are symmetrically arranged on the inner side of the mounting ring, and guide columns are slidably arranged in the guide sleeves, the two groups of guide columns are respectively fixedly connected to the first V-plate and the second V-plate, the first V-plate and the second V-plate are both fixedly installed with support sleeves, a magnetic block is fixedly installed on the support sleeve, an electromagnet is fixedly installed on the guide sleeve, avoidance grooves are provided on the first V-plate and the second V-plate, the avoidance grooves on the first V-plate and the second V-plate are cross-arranged, the first V-plate and the second V-plate are respectively fixedly connected to the first bracket and the second bracket, the first bracket and the second bracket are both fixedly installed with a counterweight ball, and racks are provided on the first bracket and the second bracket, a rotating shaft is also rotatably arranged on the inner wall of the mounting ring, a third gear is fixedly installed on the rotating shaft, and the third gear is meshed with the racks on the first bracket and the second bracket at the same time, a first motor is fixedly arranged on the fixed mounting seat, an output shaft of the first motor is fixedly connected with the first gear, a second gear is fixedly connected to the mounting ring located on the fixed mounting seat, and the second gear is meshed with the first gear.

[0007] Preferably, the lifting assembly includes a guide assembly and a telescopic rod, the guide assembly is fixedly mounted on the base, the telescopic rod is fixedly mounted on the base, the guide assembly and the telescopic rod are fixedly connected to a mounting plate at one end away from the base, and the laser generator is fixedly mounted on the mounting plate.

[0008] Preferably, two groups of material baffle plates are fixedly mounted on the base, and the material baffle plates are fixedly arranged on both sides of the laser gun head.

[0009] Preferably, a rotating shaft is fixedly mounted on the base, a rotating sleeve is rotatably mounted on the rotating shaft, the rotating sleeve is connected to the rotating shaft via a torsion spring, and a material guide plate is fixedly connected to the rotating sleeve.

[0010] Preferably, a protective cover is provided above the base.

[0011] Preferably, a guide rail is provided on the base, a guide groove is provided at the bottom of the movable mounting seat, and the guide rail is arranged in the guide groove.

[0012] The present invention provides an automatic cutting and unloading device for a sucker rod. By arranging a temperature measuring probe, it can detect the heating rate of the current workpiece by detecting the heating rate during the processing, and then control the workpiece to rotate. The molten material generated by the cutting of the workpiece will fly out along the tangent line under the action of centrifugal force to avoid dripping into the inner cavity of the workpiece. There is no need to clean the inner cavity of the workpiece subsequently, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A first overall structural schematic diagram of an automatic cutting and unloading device for a sucker rod provided by an embodiment of the present invention; Figure 2A second overall structural schematic diagram of an automatic cutting and unloading device for a sucker rod provided by an embodiment of the present invention; Figure 3 A third overall structural schematic diagram of an automatic cutting and unloading device for a sucker rod provided by an embodiment of the present invention; Figure 4 A schematic diagram of a clamping mechanism provided by an embodiment of the present invention from a first viewing angle; Figure 5 A schematic diagram from a second viewing angle of the clamping mechanism provided in an embodiment of the present invention.

[0014] In the attached drawings: 1. base; 2. fixed mounting seat; 3. movable mounting seat; 4. first gear; 5. first motor; 6. mounting plate; 7. guide assembly; 8. telescopic rod; 9. material baffle plate; 10. rotating sleeve; 11. material guide plate; 12. end plate; 13. distance sensor; 14. second motor; 15. threaded rod; 16. laser generator; 17. laser gun head; 18. mounting ring; 19. guide sleeve; 20. electromagnet; 21. guide column; 22. support sleeve; 23. magnetic block; 24. first V-plate; 25. second V-plate; 26. first bracket; 27. second bracket; 28. counterweight ball; 29. ​​second gear; 30. third gear. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0016] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0017] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, an automatic cutting and unloading device for a sucker rod provided by an embodiment of the present invention comprises: A base 1 is provided with a group of movable mounting seats 3 and multiple groups of fixed mounting seats 2 fixedly arranged on the base 1. The movable mounting seats 3 and the fixed mounting seats 2 are both rotatably connected with a clamping mechanism, and the clamping mechanism is used to clamp the workpiece. A laser generator 16 is installed on the base 1 through a lifting assembly. The laser generator 16 includes a laser gun head 17 and a temperature measuring probe, and the temperature measuring probe is used to measure the temperature of the welding point. An end plate 12 is fixedly arranged at the end of the base 1, and a distance sensor 13 is fixedly arranged on the end plate 12. A second motor 14 is fixedly installed on the base 1, and a threaded rod 15 is fixedly connected to the output shaft of the second motor 14. The movable mounting seat 3 is connected to the threaded rod 15 through a threaded hole. The heating speed of the workpiece is detected by the temperature measuring probe, and the rotation speed of the workpiece is controlled according to the heating speed.

[0018] In the embodiment of the present invention, when cutting, the workpiece is placed as a whole in a plurality of clamping mechanisms, and the clamping mechanisms are used to fix the workpiece. The movable mounting seat 3 can drive the workpiece to move axially, thereby controlling the feed of the workpiece. When the end of the workpiece reaches the position where the distance sensor 13 is located, the value detected by the distance sensor 13 will change. When the value detected by the distance sensor 13 is lower than the preset value, it is determined that the current workpiece passes through the distance sensor 13. The detection direction of the distance sensor 13 passes through the axis of the workpiece. Therefore, the diameter of the workpiece can be determined according to the detection value of the distance sensor 13, thereby controlling the laser gun head 17 to move to the corresponding height. The timing starts from the detection of the workpiece, and the movement time of the movable mounting seat 3 is recorded. The movement distance of the movable mounting seat 3 is calculated according to the running speed of the second motor 14. This movement distance is the movement distance of the workpiece, thereby determining the cutting length of the current workpiece. When the workpiece reaches the cutting position, the movable mounting seat 3 stops moving, and the clamping mechanism fixes the workpiece. At this time, the laser gun head 17 performs fixed-point heating on the workpiece according to the preset power. After heating for the preset time, such as heating 5 seconds, stop heating, and control the workpiece to move a preset distance along its axis. During this process, the temperature is continuously monitored by the temperature measuring probe, and a temperature change curve is constructed with the moving distance as the horizontal coordinate and the temperature value as the vertical coordinate. The preset database is queried based on the temperature change curve to determine the type of the current material, thereby querying the corresponding cutting parameters. The cutting parameters at least include laser power and the minimum speed of the workpiece. The cutting parameters are converted according to the diameter of the workpiece. For example, if the minimum speed of the workpiece is n, the diameter of the corresponding standard workpiece is D. If the current workpiece diameter is D1, the corresponding minimum speed of the workpiece is nD1 / D. The laser power P remains unchanged, or the laser power can be changed while keeping the minimum speed of the workpiece unchanged, or both can be changed at the same time, and D1: D=P1n1: Pn must be satisfied, where P1 is the actual power and n1 is the actual speed. The workpiece is cut according to the calculated actual power and actual speed. During this process, the laser continuously heats the workpiece, and the workpiece gradually melts. Under the action of centrifugal force, the melted material will fly outward along the tangent direction of the workpiece at the laser irradiation point, thereby preventing the material from dripping into the workpiece.

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, as a preferred embodiment of the present invention, the clamping mechanism includes a mounting ring 18, two groups of guide sleeves 19 are fixedly installed on the inner wall of the mounting ring 18, the two groups of guide sleeves 19 are symmetrically arranged on the inner side of the mounting ring 18, guide columns 21 are slidably arranged in the guide sleeves 19, the two groups of guide columns 21 are respectively fixedly connected to the first V-plate 24 and the second V-plate 25, the first V-plate 24 and the second V-plate 25 are fixedly installed with a support sleeve 22, the support sleeve 22 is fixedly installed with a magnetic block 23, the guide sleeve 19 is fixedly installed with an electromagnet 20, the first V-plate 24 and the second V-plate 25 are both provided with avoidance grooves, and the avoidance grooves on the first V-plate 24 and the second V-plate 25 are cross-arranged The first V-plate 24 and the second V-plate 25 are respectively fixedly connected to the first bracket 26 and the second bracket 27, and the first bracket 26 and the second bracket 27 are both fixedly installed with a counterweight ball 28. The first bracket 26 and the second bracket 27 are both provided with a rack. The inner wall of the mounting ring 18 is also rotatably provided with a rotating shaft, and a third gear 30 is fixedly installed on the rotating shaft. The third gear 30 is meshed with the racks on the first bracket 26 and the second bracket 27 at the same time. The first motor 5 is fixedly provided on the fixed mounting seat 2, and the output shaft of the first motor 5 is fixedly connected to the first gear 4. The mounting ring 18 located on the fixed mounting seat 2 is fixedly connected to the second gear 29, and the second gear 29 is meshed with the first gear 4.

[0020] In this embodiment, when the workpiece is placed in the clamping mechanism, the workpiece is located between the first V-plate 24 and the second V-plate 25. Since the first V-plate 24 and the second V-plate 25 are provided with avoidance grooves, the first V-plate 24 and the second V-plate 25 can cross each other. The first V-plate 24 and the second V-plate 25 can cooperate to clamp workpieces of different diameters. In order to keep the axis of the workpiece passing through the center of the mounting ring 18, a first bracket 26 and a second bracket 27 are provided. The racks on the first bracket 26 and the second bracket 27 are meshed with the third gear 30 at the same time, so the first bracket 26 and the second bracket 27 will move synchronously. After the workpiece is placed, a magnetic field repulsion is generated by the electromagnet 20. The magnetic block 23 drives the first V-plate 24 and the second V-plate 25 to approach each other to achieve the clamping of the workpiece. The mounting ring 18 is rotatably connected to the fixed mounting seat 2 or the movable mounting seat 3. When the workpiece needs to be rotated, the first motor 5 is started, and the first motor 5 drives the first gear 4 to rotate, and the first gear 4 drives the second gear 29 to rotate. The second gear 29 will drive the mounting ring 18 to rotate, thereby driving the workpiece to rotate. During the rotation of the workpiece, the first V-plate 24 and the second V-plate 25 will also rotate synchronously. By setting the counterweight ball 28, the center of gravity of the first V-plate 24 and the first bracket 26 as a whole exceeds the center of the circle of the mounting ring 18, such as Figure 5As shown, the distance between the center of gravity of the first V-plate 24 and the first bracket 26 as a whole and the upper edge of the mounting ring 18 is greater than the radius of the mounting ring 18. Similarly, the distance between the center of gravity of the second V-plate 25 and the second bracket 27 as a whole and the lower edge of the mounting ring 18 is greater than the radius of the mounting ring 18. Then, during the rotation process, due to the action of centrifugal force, the first V-plate 24 and the second V-plate 25 will approach each other, and the workpiece is clamped by centrifugal force, thereby ensuring the stability of the workpiece clamping. The greater the rotation speed, the greater the clamping force and the more stable the clamping.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the present invention, the lifting assembly includes a guide assembly 7 and a telescopic rod 8, the guide assembly 7 is fixedly mounted on the base 1, the telescopic rod 8 is fixedly mounted on the base 1, the ends of the guide assembly 7 and the telescopic rod 8 away from the base 1 are fixedly connected to a mounting plate 6, and a laser generator 16 is fixedly mounted on the mounting plate 6.

[0022] In this embodiment, when the laser gun head 17 needs to be controlled to rise and fall, the telescopic rod 8 is activated, and the mounting plate 6 is driven to rise and fall by the telescopic rod 8, thereby indirectly controlling the rise and fall of the laser gun head 17.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the present invention, two groups of material blocking plates 9 are fixedly mounted on the base 1 , and the material blocking plates 9 are fixedly arranged on both sides of the laser gun head 17 .

[0024] In this embodiment, by providing the material blocking plate 9, it is possible to prevent the flying material from scattering.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the present invention, a rotating shaft is fixedly mounted on the base 1, a rotating sleeve 10 is rotatably mounted on the rotating shaft, the rotating sleeve 10 is connected to the rotating shaft via a torsion spring, and a material guide plate 11 is fixedly connected to the rotating sleeve 10.

[0026] In this embodiment, the number of guide plates 11 can be set in multiple groups, so that after the cutting is completed, the cut workpieces can slide outward along the arc surface of the guide plate 11.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, as a preferred embodiment of the present invention, a guide rail is arranged on the base 1, a guide groove is arranged at the bottom of the movable mounting seat 3, the guide rail is arranged in the guide groove, and a protective cover is arranged above the base 1.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic cutting and unloading device for a sucker rod, characterized in that: The device comprises: A base (1) is provided on the base (1), a group of movable mounting seats (3) and a plurality of groups of fixed mounting seats (2) are fixedly provided on the base (1), a clamping mechanism is rotatably connected to the movable mounting seats (3) and the fixed mounting seats (2), the clamping mechanism is used to clamp a workpiece, a laser generator (16) is installed on the base (1) via a lifting assembly, the laser generator (16) comprises a laser gun head (17) and a temperature measuring probe, the temperature measuring probe is used to measure the temperature of a welding point, an end plate (12) is fixedly provided at the end of the base (1), a distance sensor (13) is fixedly provided on the end plate (12), a second motor (14) is fixedly provided on the base (1), an output shaft of the second motor (14) is fixedly connected to a threaded rod (15), the movable mounting seat (3) is connected to the threaded rod (15) via a threaded hole, a heating speed of the workpiece is detected via the temperature measuring probe, and the rotation speed of the workpiece is controlled according to the heating speed.

2. The automatic cutting and unloading device for sucker rods according to claim 1, characterized in that: The clamping mechanism comprises a mounting ring (18), the inner wall of the mounting ring (18) is fixedly mounted with two groups of guide sleeves (19), the two groups of guide sleeves (19) are symmetrically arranged on the inner side of the mounting ring (18), guide posts (21) are slidably arranged in the guide sleeves (19), the two groups of guide posts (21) are respectively fixedly connected with a first V-plate (24) and a second V-plate (25), the first V-plate (24) and the second V-plate (25) are both fixedly mounted with a support sleeve (22), a magnetic block (23) is fixedly mounted on the support sleeve (22), an electromagnet (20) is fixedly mounted on the guide sleeve (19), the first V-plate (24) and the second V-plate (25) are both provided with avoidance grooves, the avoidance grooves on the first V-plate (24) and the second V-plate (25) are cross-arranged, and the first V-plate (24) and the second V-plate (25) are respectively fixedly mounted with a support sleeve (22), a magnetic block (23) is fixedly mounted on the support sleeve (22), an electromagnet (20) is fixedly mounted on the guide sleeve (19), and the first V-plate (24) and the second V-plate (25) are both provided with avoidance grooves, the avoidance grooves on the first V-plate (24) and the second V-plate (25) are cross-arranged, and the first V-plate (24) and the second V-plate (25) are respectively fixedly mounted with a support sleeve (22) and a magnetic block (23) are fixedly mounted on the support sleeve (22), an electromagnet (20) is fixedly mounted on the guide sleeve (19), The two V-plates (25) are respectively fixedly connected to a first bracket (26) and a second bracket (27); a counterweight ball (28) is fixedly mounted on the first bracket (26) and the second bracket (27); a rack is disposed on the first bracket (26) and the second bracket (27); a rotating shaft is rotatably disposed on the inner wall of the mounting ring (18); a third gear (30) is fixedly mounted on the rotating shaft; the third gear (30) meshes with the racks on the first bracket (26) and the second bracket (27); a first motor (5) is fixedly mounted on the fixed mounting seat (2); an output shaft of the first motor (5) is fixedly connected to a first gear (4); a second gear (29) is fixedly connected to the mounting ring (18) located on the fixed mounting seat (2); the second gear (29) meshes with the first gear (4).

3. The automatic cutting and unloading device for sucker rods according to claim 1, characterized in that: The lifting assembly comprises a guide assembly (7) and a telescopic rod (8); the guide assembly (7) is fixedly mounted on the base (1); the telescopic rod (8) is fixedly mounted on the base (1); one end of the guide assembly (7) and the telescopic rod (8) away from the base (1) is fixedly connected to a mounting plate (6); and the laser generator (16) is fixedly mounted on the mounting plate (6).

4. The automatic cutting and unloading device for sucker rods according to claim 1, characterized in that: Two groups of material blocking plates (9) are fixedly mounted on the base (1), and the material blocking plates (9) are fixedly arranged on both sides of the laser gun head (17).

5. The automatic cutting and unloading device for sucker rods according to claim 1, characterized in that: A rotating shaft is fixedly mounted on the base (1), a rotating sleeve (10) is rotatably mounted on the rotating shaft, the rotating sleeve (10) and the rotating shaft are connected via a torsion spring, and a material guide plate (11) is fixedly connected to the rotating sleeve (10).

6. The automatic cutting and unloading device for sucker rods according to claim 1, characterized in that: A protective cover is arranged above the base (1).

7. The automatic cutting and unloading device for sucker rods according to claim 1, characterized in that: The base (1) is provided with a guide rail, the bottom of the movable mounting seat (3) is provided with a guide groove, and the guide rail is arranged in the guide groove.

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