Staggered stepping cooling bed device and operation method

Abstract

The invention provides a staggered stepping cooling bed device and an operation method. The staggered stepping cooling bed device comprises a driving mechanism, four cam mechanisms, a plurality of pipe conveying cross beams and four positioning mechanisms. The driving mechanism is mounted on the production platform; every two cam mechanisms are coaxially arranged to form two groups of cam mechanisms, and the two groups of cam mechanisms are arranged in parallel and are connected with the driving mechanism; the plurality of pipe conveying cross beams are mounted on the two groups of cam mechanisms; the four positioning mechanisms are arranged on the production platform and arranged below the four cam mechanisms in a one-to-one correspondence mode. The two sets of cam mechanisms drive the multiple pipe conveying cross beams to convey pipes and bars alternately, the small-step-pitch and large-stroke pipe conveying mode is achieved, and in the moving process of the pipes and the bars, when one step pitch in the horizontal direction is completed, the actual walking path is the semi-arc length with the step pitch as the diameter. The pipe conveying mode can promote effective disturbance of air around the pipes and the bars, the pipes and the bars are rapidly cooled, and the problem that the heat dissipation effect is poor during natural air cooling of an existing cooling bed is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe bar cooling bed equipment, in particular to a staggered step-by-step cooling bed device and a running method. BACKGROUND

[0002] On a pipe bar production line, high-temperature pipe bars formed by extrusion need to be cooled to room temperature by natural air cooling to facilitate subsequent storage and transportation. A cooling bed device is a key equipment for realizing this process. Currently, a translation cooling bed is widely used in the market, which uses a rolling translation method to transport and cool the high-temperature pipe bars. The translation cooling bed mainly makes the pipe bars roll forward on the cooling bed through a roller or chain structure, and relies on natural air convection to cool the pipe bars.

[0003] However, the existing translation cooling bed still has some defects. On the one hand, the rolling translation transportation method cannot effectively protect the pipe bars in a high-temperature state, which is easy to cause the pipe bars to be bumped on the surface. On the other hand, the pipe bars lack effective air flow disturbance during the cooling process, resulting in slow heat dissipation speed, low cooling efficiency, and the need to configure a long production line, which greatly increases the factory floor area.

[0004] Therefore, it is necessary to provide a device to overcome the above problems. SUMMARY

[0005] The main purpose of the present application is to provide a staggered step-by-step cooling bed device and a running method to at least solve the problem of poor heat dissipation effect of the existing cooling bed during natural air cooling.

[0006] In order to achieve the above purpose, the present application provides a staggered step-by-step cooling bed device, comprising: a driving mechanism installed on a production platform; four cam mechanisms, each two cam mechanisms are coaxially arranged to form two groups of cam mechanisms, the two groups of cam mechanisms are arranged in parallel and connected with the driving mechanism, and the driving mechanism is used to drive the two groups of cam mechanisms to rotate; a plurality of pipe conveying beams, the plurality of pipe conveying beams are uniformly and spacedly arranged perpendicularly to the two groups of cam mechanisms and installed on the two groups of cam mechanisms, and the two groups of cam mechanisms are used to drive the plurality of pipe conveying beams to stagger to convey the pipe bars; four positioning mechanisms, the four positioning mechanisms are arranged on the production platform and correspondingly arranged below the four cam mechanisms to collect position data of the four cam mechanisms and feed back to the driving mechanism; wherein the driving mechanism is further used to control the four cam mechanisms according to the position data.

[0007] Further, the driving mechanism comprises: four servo motors, the four servo motors are correspondingly connected with the four cam mechanisms to drive the four cam mechanisms to rotate; and a servo controller, the servo controller is electrically connected with the four servo motors to control the four servo motors.

[0008] Further, the cam mechanism comprises: a reduction box, an input shaft of the reduction box being detachably connected with an output shaft of the servo motor; a plurality of bearing seat supports, the plurality of bearing seat supports being arranged in line on the production platform; a plurality of bearing seats, the plurality of bearing seats being arranged one by one on the plurality of bearing seat supports; a plurality of drive shafts, the plurality of drive shafts being coaxially connected and detachably connected with output ends of the reduction box, the plurality of drive shafts being arranged in the plurality of bearing seats, the reduction box being used for transmitting the rotary power of the servo motor to drive the plurality of drive shafts to rotate; and a plurality of cams, the plurality of cams being arranged in pairs to form a plurality of pairs of cams, the plurality of pairs of cams alternately adopting first mounting positions and second mounting positions and being fixedly arranged on the plurality of drive shafts, the plurality of drive shafts being used for driving the plurality of pairs of cams to rotate, the plurality of pairs of cams being rolling matched with the plurality of pipe conveying beams one by one to drive the plurality of pipe conveying beams to stagger.

[0009] Further, the cam mechanism further comprises: a plurality of couplings, the plurality of couplings being arranged on the plurality of drive shafts to coaxially connect the plurality of drive shafts; and a plurality of expansion sleeves, the plurality of expansion sleeves being arranged on the plurality of drive shafts and arranged one by one in the plurality of cams to fix the plurality of cams on the plurality of drive shafts.

[0010] Further, the pipe conveying beam comprises: two jacking frames, the two jacking frames being arranged symmetrically along the axial direction of the cam mechanism and being rolling arranged on a pair of cams of one group of cam mechanisms; two guide frames, the two guide frames being arranged symmetrically along the axial direction of the cam mechanism and being rolling arranged on a pair of cams of another group of cam mechanisms; two mounting plates, the two mounting plates being arranged on top surfaces of the two jacking frames and the two guide frames respectively; and a pipe conveying frame, the pipe conveying frame being arranged perpendicularly to the axial line of the cam mechanism and being connected with the two mounting plates, the jacking frames and the guide frames cooperating to drive the pipe conveying frame to move periodically under the driving of the cams.

[0011] Further, each jacking frame cooperates with a cam, and the jacking frame comprises: a connecting frame, the connecting frame being fixedly arranged on the pipe conveying frame through the mounting plate; and a supporting wheel, the supporting wheel being rotatably arranged on the connecting frame and rotatably arranged on the cam, the supporting wheel being rotatably matched with the cam to make the supporting wheel always located at the highest point of the cam.

[0012] Further, each guide frame cooperates with a cam, and the guide frame comprises: a guide support, the guide support being fixedly arranged on the pipe conveying frame through the mounting plate; and two guide wheels, the two guide wheels being rotatably arranged on the guide support along the length direction of the pipe conveying frame and rotatably matched with the cam to make the two guide wheels always symmetrically ride on both sides of the highest point of the cam.

[0013] Further, the pipe rack comprises two H-shaped steels, the two H-shaped steels are vertically arranged and symmetrically arranged on the two mounting plates; a plurality of rectangular pipes, the plurality of rectangular pipes extend along the axial direction of the cam mechanism and are uniformly and spacedly arranged on the top surface of the two H-shaped steels; a plurality of V-shaped grooves, the plurality of V-shaped grooves are symmetrically arranged to form a plurality of pairs of V-shaped grooves, and the plurality of pairs of V-shaped grooves are one-to-one correspondingly arranged on the plurality of rectangular pipes to carry the pipe bars; wherein the plurality of rectangular pipes are used to fix the plurality of pairs of V-shaped grooves on the two H-shaped steels.

[0014] Further, the positioning mechanism comprises a detection support installed on the production platform and arranged below the cam mechanism; and a detection element arranged on the detection support to collect position data of the cam mechanism.

[0015] The application also provides a staggered step-by-step cooling bed device operation method, the operation method comprising: Each two cam mechanisms are coaxially arranged to form two groups of cam mechanisms, the two groups of cam mechanisms are parallelly arranged and connected with the driving mechanism; the plurality of pairs of cams arranged on the same group of cam mechanisms are divided into odd-numbered cams and even-numbered cams and are installed by using the first mounting position and the second mounting position respectively, the first mounting position is defined as the first mounting position when the line connecting the vertex and the axis of the cam points in the same direction as the nine o'clock hour hand of a clock, the phase difference between the first mounting position and the second mounting position is 90 degrees, and all the cams on the two groups of cam mechanisms are arranged in the same way; the plurality of pipe carrying beams are divided into odd-numbered pipe carrying beams and even-numbered pipe carrying beams and are correspondingly installed on the odd-numbered cams and the even-numbered cams, and the length direction of the plurality of pipe carrying beams is perpendicular to the axial direction of the cam mechanism; the driving mechanism adjusts and positions the four cam mechanisms to zero by using the four positioning mechanisms to make all the cams return to zero position, and the first mounting position and the second mounting position are the zero positions of the odd-numbered cams and the even-numbered cams respectively; when all the cams are at zero position, all the pipe carrying beams are at the same elevation, the driving mechanism is started, the driving shaft starts to rotate in a preset clockwise direction, the odd-numbered pipe carrying beams are at the material receiving position and start to rise to take materials, and the even-numbered pipe carrying beams are at the material discharging position and start to descend to discharge materials; when all the cams rotate by 90 degrees, the odd-numbered pipe carrying beams complete material receiving and are at the highest position, and the even-numbered pipe carrying beams complete material discharging and are at the lowest position; when all the cams rotate by 180 degrees, all the pipe carrying beams are again at the same elevation, the odd-numbered pipe carrying beams are at the material discharging position and start to descend to discharge materials, and the even-numbered pipe carrying beams are at the material receiving position and start to rise to take materials, at this time, the pipe bars on the pipe carrying beams horizontally move by one step; when all the cams rotate by 270 degrees, the odd-numbered pipe carrying beams complete material discharging and are at the lowest position, and the even-numbered pipe carrying beams complete material receiving and are at the highest position; when all the cams rotate by 360 degrees, all the cams return to zero position and complete one operation cycle, and all the pipe carrying beams are again at the same elevation, at this time, the pipe bars on the pipe carrying beams again horizontally move by one step, and all the cams continue to rotate to continuously transport the pipe bars.

[0016] This invention discloses an interlaced walking beam cooling bed device and its operating method, comprising: a drive mechanism, four cam mechanisms, multiple tube-carrying beams, and four positioning mechanisms. The drive mechanism is mounted on a production platform; of the four cam mechanisms, every two cam mechanisms are coaxially arranged to form two sets of cam mechanisms, which are arranged parallel to each other and connected to the drive mechanism, which drives the two sets of cam mechanisms to rotate; the multiple tube-carrying beams are evenly spaced and perpendicularly arranged on the two sets of cam mechanisms, which drive the multiple tube-carrying beams to move alternately to transport tubes and bars; the four positioning mechanisms are arranged on the production platform and correspondingly positioned below each of the four cam mechanisms to collect position data of the four cam mechanisms and feed it back to the drive mechanism; wherein, the drive mechanism is also used to control the four cam mechanisms based on the position data. Multiple pipe-carrying beams are divided into odd-numbered and even-numbered sets. Two sets of cam mechanisms drive the odd-numbered and even-numbered sets of pipe-carrying beams to move alternately to transport the pipes and bars. This achieves a pipe-carrying method with small step distance and large stroke. That is, during the movement of the pipes and bars, each time a horizontal step distance is completed, its actual travel path is a semi-circular arc with the diameter of that step distance. This achieves a reduction in horizontal step distance while increasing stroke. In addition, this pipe-carrying method can also promote effective air disturbance around the pipes and bars, allowing the pipes and bars to cool down quickly, effectively shortening the length of the cooling production line, and solving the problem of poor heat dissipation when the existing cooling bed is naturally air-cooled. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is a front view of an optional staggered step cooling bed device according to an embodiment of the present invention; Figure 2 This is a partial view of the cam mechanism, positioning mechanism, and drive mechanism of an optional interlaced stepping cooling bed device according to an embodiment of the present invention; Figure 3 This is a top view of an optional staggered step cooling bed device according to an embodiment of the present invention; Figure 4 This is a partial view of the cam mechanism and drive mechanism of an optional interleaved stepping cooling bed device according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the drive mechanism, pipe transport frame, and guide frame of an optional interlaced stepping cooling bed device according to an embodiment of the present invention. Figure 6 This is a schematic diagram of the drive mechanism, pipe transport frame, and lifting frame of an optional interlaced step cooling bed device according to an embodiment of the present invention. Figure 7is a structure schematic diagram of the odd-numbered group pipe conveying beam and the odd-numbered group cam mechanism in the zero position according to an embodiment of the present application; Figure 8 is a structure schematic diagram of the even-numbered group pipe conveying beam and the even-numbered group cam mechanism in the zero position according to an embodiment of the present application; Figure 9 is a structure schematic diagram of the odd-numbered group pipe conveying beam and the odd-numbered group cam mechanism in the standby material position according to an embodiment of the present application; Figure 10 is a structure schematic diagram of the odd-numbered group pipe conveying beam and the odd-numbered group cam mechanism in the highest position according to an embodiment of the present application; Figure 11 is a structure schematic diagram of the odd-numbered group pipe conveying beam and the odd-numbered group cam mechanism in the discharging position according to an embodiment of the present application; Figure 12 is a structure schematic diagram of the odd-numbered group pipe conveying beam and the odd-numbered group cam mechanism in the lowest position according to an embodiment of the present application; Figure 13 is a structure schematic diagram of the rectangular pipe and the H-shaped steel according to an embodiment of the present application.

[0018] Reference signs: 10, driving mechanism; 11, servo motor; 111, encoder; 12, servo controller; 20, cam mechanism; 21, speed reducer box; 22, bearing seat support; 23, bearing seat; 24, cam; 25, driving shaft; 26, expansion sleeve; 27, shaft coupling; 30, pipe conveying beam; 31, jacking frame; 311, connecting frame; 312, supporting wheel; 313, first rotating shaft; 314, first bearing bush; 32, guide frame; 321, guide support; 322, guide wheel; 323, second rotating shaft; 324, second bearing bush; 33, pipe conveying frame; 331, H-shaped steel; 3311, clamping groove; 332, rectangular pipe; 3321, pressing plate; 333, V-shaped groove; 34, mounting plate; 40, positioning mechanism; 41, detection element; 42, detection support. DETAILED DESCRIPTION

[0019] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] As Figure 1As shown, an interleaved step cold bed device includes a driving mechanism 10, four cam mechanisms 20, a plurality of pipe conveying beams 30 and four positioning mechanisms 40. The driving mechanism 10 is installed on a production platform; among the four cam mechanisms 20, every two cam mechanisms 20 are coaxially arranged to form two groups of cam mechanisms 20, the two groups of cam mechanisms 20 are arranged in parallel and connected with the driving mechanism 10, and the driving mechanism 10 is used to drive the two groups of cam mechanisms 20 to rotate; the plurality of pipe conveying beams 30 are uniformly and spacedly arranged perpendicularly to and installed on the two groups of cam mechanisms 20, and the two groups of cam mechanisms 20 are used to drive the plurality of pipe conveying beams 30 to move in an interleaved manner to convey pipe bars; the four positioning mechanisms 40 are arranged on the production platform and correspondingly arranged below the four cam mechanisms 20 to respectively collect position data of the four cam mechanisms 20 and feed back to the driving mechanism 10; wherein the driving mechanism 10 is further used to control the four cam mechanisms 20 according to the position data. The plurality of pipe conveying beams 30 are divided into an odd-numbered group of pipe conveying beams 30 and an even-numbered group of pipe conveying beams 30, and the two groups of cam mechanisms 20 drive the odd-numbered group of pipe conveying beams 30 and the even-numbered group of pipe conveying beams 30 to move in an interleaved manner to alternately convey pipe bars, realizing a pipe conveying mode of small step distance and large stroke, that is, in the moving process of the pipe bars, for every completed horizontal step distance, the actual walking path of the pipe bars is a semicircular arc length with the step distance as the diameter, realizing the reduction of the horizontal step distance while increasing the stroke, in addition, the pipe conveying mode can also promote the effective disturbance of the air around the pipe bars, so that the pipe bars are quickly cooled, effectively shortening the length of the cooling production line, and solving the problem of poor heat dissipation effect of the existing cold bed during natural air cooling.

[0021] Further, as shown in Figure 3 and Figure 4 , the driving mechanism 10 includes four servo motors 11 and a servo controller 12. The four servo motors 11 are correspondingly connected with the four cam mechanisms 20 to drive the four cam mechanisms 20 to rotate; the servo controller 12 is electrically connected with the four servo motors 11 to control the four servo motors 11. The driving mechanism 10 is a synchronous servo control system, which further includes a servo power unit, an encoder 111 and other elements. The encoder 111 can feed back the rotation angle and speed of the servo motor 11 in real time. The synchronous servo control system takes one of the four servo motors 11 as a main shaft, and the remaining three servo motors 11 as slave shafts. The slave shafts will follow the position movement of the main shaft in real time. The servo controller 12 calculates the position deviation between the main shaft and the slave shafts according to the data fed back by the encoder 111 of each motor, and sends a synchronous error compensation signal to the slave shafts to reduce the deviation between the slave shafts and the main shaft. The present scheme realizes accurate control of the four servo motors 11.

[0022] Further, as shown in Figure 2 , Figure 4 , Figure 5 , Figure 7 ,Figure 8 and Figure 9As shown, the cam mechanism 20 comprises a reduction box 21, a plurality of bearing seat supports 22, a plurality of bearing seats 23, a plurality of cams 24 and a plurality of drive shafts 25. The input shaft of the reduction box 21 is detachably connected with the output shaft of the servo motor 11; the plurality of bearing seat supports 22 are arranged in line on the production platform; the plurality of bearing seats 23 are correspondingly arranged on the plurality of bearing seat supports 22; the plurality of drive shafts 25 are coaxially connected and detachably connected with the output end of the reduction box 21, the plurality of drive shafts 25 are arranged in the plurality of bearing seats 23, the reduction box 21 is used to transmit the rotary power of the servo motor 11 to drive the plurality of drive shafts 25 to rotate; the plurality of cams 24 are symmetrically arranged in pairs to form a plurality of pairs of cams 24, the plurality of pairs of cams 24 alternately adopt a first mounting position and a second mounting position and are fixedly arranged on the plurality of drive shafts 25, the plurality of drive shafts 25 are used to drive the plurality of pairs of cams 24 to rotate, and the plurality of pairs of cams 24 are correspondingly rolling matched with the plurality of pipe beam 30 to drive the plurality of pipe beam 30 to stagger. The output end of the reduction box 21 is connected with the first end of one of the plurality of drive shafts 25 through a standard coupling, and the second end of the drive shaft 25 is coaxially connected with the other drive shafts 25 in series. The plurality of bearing seat supports 22 are installed in a straight line on the production platform, and a plurality of bearing seats 23 are correspondingly fixedly installed on the plurality of bearing seat supports 22, bearings are installed in the bearing seats 23, and shear-resistant ribs are arranged at the bottom of the bearing seats 23. At least three bearing seats 23 are guaranteed to be installed on each drive shaft 25, and a set of shaft shoulders are arranged on each drive shaft 25 to cooperate with the bearing seats 23 to ensure accurate positioning of the drive shaft 25. The drive shafts 25 of each cam mechanism 20 are coaxially connected in series to form a long shaft, the plurality of cams 24 are arranged in pairs and symmetrically on the long shaft to form a plurality of pairs of cams 24, each group of cam mechanisms 20 is divided into an odd number of cam 24 and an even number of cam 24 according to the arrangement order, an odd number of pipe beam 30 is installed on the odd number of cam 24, and an even number of pipe beam 30 is installed on the even number of cam 24, the odd number of cam 24 adopts the first mounting position, and the even number of cam 24 adopts the second mounting position. When the line connecting the center of the cam hole of the cam 24 to the highest point of the cam 24 wheel rim points to the same direction as the clock 9 o'clock hour hand, it is defined as the reference position of the cam 24, and the clockwise direction is the rotation direction of the drive shaft 25, the first mounting position is the mounting position when the cam 24 rotation angle is 0 degrees, and the second mounting position is the mounting position when the cam 24 rotation angle is 180 degrees, the phase difference between the cam 24 of the first mounting position and the cam 24 of the second mounting position is 180 degrees, and the geometric center and the shaft hole center of all the installed cams 24 are in the same horizontal plane. The installation number, position and angle of the cams 24 between the two groups of cam mechanisms 20 remain the same, and the two groups of cam mechanisms 20 are aligned and arranged in parallel on the mounting platform.A plurality of pipe conveying beams 30 are correspondingly installed on the plurality of cam mechanisms 20, the length direction of the plurality of pipe conveying beams 30 is perpendicular to the axial direction of the cam mechanism 20, and each pipe conveying beam 30 is correspondingly installed on two pairs of cam mechanisms 20. The cam mechanism 20 is also provided with a guide edge to limit the pipe conveying beam 30. In the embodiment, 16 pipe conveying beams are used, 16 pairs of cams are used for each cam mechanism 20, and 16 sets of cams 24 are used for two cam mechanisms 20. Each set of cams 24 includes a pair of cams 24 of the first cam mechanism 20 and a pair of cams 24 of the second cam mechanism 20, and each set of cams 24 includes four cams 24. In the present application, the cam 24 is eccentrically installed in a disc, and the step length is equal to twice the cam eccentricity. The plurality of pairs of cams 24 alternately use the first installation position and the second installation position, so as to realize the staggered movement of the plurality of pipe conveying beams 30 driven by the same driving shaft 25, and simplify the device while meeting the functional requirements of the cam mechanism 20.

[0023] In the present application, each two cam mechanisms 20 are coaxially arranged through the bearing seat 23 and the bearing, the driving shafts 25 of the two coaxially arranged cam mechanisms 20 are not connected with each other, and each cam mechanism 20 is correspondingly connected with a servo motor 11 for independent control. The cooling object of the present application is a pipe bar, which usually has different length specifications. The pipe bar is fed along the axial direction of the driving shaft 25 at the feeding end. Therefore, when the length of the pipe bar is less than the length of the long axis of the single cam mechanism 20, only one cam mechanism 20 on the same side of each cam mechanism 20 needs to be started. Thus, the present application adjusts the start-stop state of the four cam mechanisms 20 according to the working condition, and the idle cam mechanisms 20 are completely stopped to avoid energy consumption and improve energy utilization efficiency, thereby achieving energy saving and consumption reduction.

[0024] Further, as shown in Figure 4 and Figure 6 , the cam mechanism 20 further comprises a plurality of shaft couplings 27 and a plurality of expansion sleeves 26. The plurality of shaft couplings 27 are arranged on the plurality of driving shafts 25 to coaxially connect the plurality of driving shafts 25, and the plurality of expansion sleeves 26 are sleeved on the plurality of driving shafts 25 and correspondingly arranged in the plurality of cams 24 to fix the plurality of cams 24 on the plurality of driving shafts 25. The connection between the driving shafts 25 is achieved by the shaft coupling 27, and the shaft coupling 27 is a rigid shaft coupling. Each cam 24 is sleeved on the driving shaft 25 by the expansion sleeve 26, so as to ensure the reliability and stability of the cam mechanism 20. The use of the shaft coupling 27 and the expansion sleeve 26 can improve the reliability of the cam mechanism 20, and the use of general parts can reduce the cost of the whole device.

[0025] Further, as shown in Figure 5 and Figure 6As shown, the pipe conveying beam 30 comprises two jacking frames 31, two guide frames 32, two mounting plates 34 and a pipe conveying frame 33. The two jacking frames 31 are symmetrically arranged along the axial direction of the cam mechanism 20 and are rollably arranged on a pair of cams 24 of a set of cam mechanisms 20; the two guide frames 32 are symmetrically arranged along the axial direction of the cam mechanism 20 and are rollably arranged on a pair of cams 24 of another set of cam mechanisms 20; the two mounting plates 34 are respectively arranged on the top surfaces of the two jacking frames 31 and the two guide frames 32; the pipe conveying frame 33 is arranged perpendicularly to the axis of the cam mechanism 20 and is connected with the two mounting plates 34, and the jacking frames 31 and the guide frames 32 work cooperatively under the driving of the cams 24 to periodically move the pipe conveying frame 33. Each pipe conveying beam 30 comprises two jacking frames 31, two guide frames 32 and two mounting plates 34. The two mounting plates 34 are fixed on the pipe conveying frame 33 by welding, and the two mounting plates 34 are connected with the two guide frames 32 and the two jacking frames 31 respectively by bolts and keys, the bolts are mainly used for fixed connection, and the keys are mainly used for bearing load. Among them, the two guide frames 32 correspond to one mounting plate 34, the two jacking frames 31 correspond to the other mounting plate 34, and the distance between the geometric centers of the two mounting plates 34 is consistent with the center line distance between the two long axes of the two sets of cam mechanisms 20. The assembly of all pipe conveying beams 30 and the cam mechanisms 20 only needs to place the jacking frames 31 and the guide frames 32 on the pipe conveying beam 30 on the cams 24 of the corresponding cam mechanisms 20, which is simple to install and convenient to maintain.

[0026] Further, as shown in Figure 6 The jacking frame 31 comprises a connecting frame 311 and a supporting wheel 312. The connecting frame 311 is fixedly arranged on the pipe conveying frame 33 through the mounting plate 34; the supporting wheel 312 is rotatably arranged on the connecting frame 311 and is rotatably arranged on the cam 24, and the supporting wheel 312 is rotatably matched with the cam 24 so that the supporting wheel 312 is always located at the highest point of the cam 24. The connecting frame 311 and the mounting plate 34 are fixedly connected through the bolts and the keys, the supporting wheel 312 is rotatably matched with the cam 24, and there is no connection relationship between the supporting wheel 312 and the cam 24. In the whole process of rotation of the cam 24, the supporting wheel 312 is always located at the highest point of the cam 24, which is simple to install and does not need to be fixedly connected.

[0027] Further, as shown in Figure 5 and Figure 6As shown, the guide frame 32 comprises a guide support 321 and two guide wheels 322. The guide support 321 is fixedly arranged on the pipe conveying frame 33 through the mounting plate 34; the two guide wheels 322 are rotatably arranged on the guide support 321 along the length direction of the pipe conveying frame 33 and rotatably cooperate with the cam 24 so that the two guide wheels 322 always symmetrically ride on both sides of the highest point of the cam 24. The guide support 321 is fixedly connected with the mounting plate 34 through bolts and keys, the two guide wheels 322 are rotatably connected with the cam 24, and the two guide wheels 322 are not connected with the cam 24. In the whole process of rotation of the cam 24, under the auxiliary action of gravity, the two guide wheels 322 always symmetrically ride on both sides of the highest point of the cam 24. Through the two guide wheels 322, the movement of the pipe conveying beam 30 along the length direction relative to the cam 24 is limited, and the guide edges of the pair of cam 24 limit the movement of the pipe conveying beam 30 along the axial direction of the cam 24. The distance between the midpoint of the line connecting the geometric centers of the two guide wheels 322 and the geometric center of the same side supporting wheel 312 is consistent with the distance between the center lines of the two long axes of the two cam mechanisms 20, so that under the limiting action of the two guide wheels 322, the supporting wheel 312 can always be located at the highest point of the cam 24. The jacking frame 31 further comprises a first rotating shaft 313 and a first bearing 314, and the guide frame 32 further comprises two second rotating shafts 323 and two second bearings 324. The first rotating shaft 313 is fixedly arranged through the connecting frame 311, the first bearing 314 is sleeved on the first rotating shaft 313, the supporting wheel 312 is rotatably sleeved on the first bearing 314, and the first rotating shaft 313 and the first bearing 314 are used to rotatably arrange the supporting wheel 312 on the connecting frame 311; the two second rotating shafts 323 are arranged through the guide support 321, the two second bearings 324 are respectively sleeved on the two second rotating shafts 323, the two guide wheels 322 are respectively rotatably sleeved on the two second bearings 324, and the two second rotating shafts 323 and the two second bearings 324 are used to rotatably arrange the two guide wheels 322 on the guide support 321. The present scheme fully utilizes the auxiliary action of gravity to realize that the two guide wheels 322 always symmetrically ride on both sides of the highest point of the cam 24.

[0028] Further, as Figure 5 、 Figure 6 and Figure 13As shown, the pipe rack 33 comprises two H-shaped steels 331, a plurality of rectangular tubes 332 and a plurality of V-shaped grooves 333. The two H-shaped steels 331 are arranged vertically and symmetrically on the two mounting plates 34; the plurality of rectangular tubes 332 extend along the axial direction of the cam mechanism 20 and are arranged uniformly on the top surface of the two H-shaped steels 331; the plurality of V-shaped grooves 333 are arranged symmetrically to form a plurality of pairs of V-shaped grooves 333, which are arranged one-to-one on the plurality of rectangular tubes 332 to carry the pipe bars; wherein the plurality of rectangular tubes 332 are used to fix the plurality of pairs of V-shaped grooves 333 on the two H-shaped steels 331. The first flange of the H-shaped steel 331 is arranged horizontally and welded on the mounting plate 34, the first end of the rectangular tube 332 is fixed in the clamping groove 3311 on the second flange of one H-shaped steel 331 through the pressing plate 3321, the second end of the rectangular tube 332 is fixed on the second flange of the other H-shaped steel 331 through bolts, a pair of V-shaped grooves 333 are welded on each rectangular tube 332, and the V-shaped grooves 333 are made of square tubes. Along the length direction of the H-shaped steel 331, the spacing between the geometric centers of adjacent V-shaped grooves 333 is one step S. In this embodiment, 26 pairs of V-shaped grooves 333 are used, and each pair of V-shaped grooves 333 can accommodate one pipe bar. The pipe rack 33 has simple structure and is easy to install, and the pipe bars are transported through the V-shaped grooves 333, which can not only limit the pipe bars but also improve the transportation efficiency, so that the continuous transportation of the pipe bars can be realized.

[0029] Further, as Figure 2 and Figure 4As shown, the positioning mechanism 40 comprises a detection bracket 42 and a detection element 41. The detection bracket 42 is installed on the production platform and arranged below the cam mechanism 20; the detection element 41 is arranged on the detection bracket 42 to collect the position data of the cam mechanism 20. The positioning mechanism 40 is a zero adjustment positioning device, the detection element 41 comprises microswitches and inductive elements, etc., and each cam mechanism 20 is equipped with one positioning mechanism 40, which is used to collect the position data of the cam 24 and provide data basis for the driving mechanism 10. The microswitch is a contact type position sensor, and the inductive element can be installed on the cam 24 to cooperate with the microswitch. The inductive element can adopt a baffle. When the cam 24 rotates to zero position, the inductive element thereon will trigger the microswitch to generate a switch signal, so as to collect the position data of the cam 24. This signal provides a precise physical reference point for the servo controller 12, which is used to calibrate the zero point of the encoder 111 of the corresponding driving mechanism 10. Through the position data of the four cam mechanisms 20 fed back by the positioning mechanism 40, the driving mechanism 10 takes one cam mechanism 20 as the main driving, calibrates the other three cam mechanisms 20 with the main driving, so that all the cams 24 return to zero position, wherein the first installation position is the zero position of the odd number of cams 24, and the second installation position is the zero position of the even number of cams 24. By using the positioning mechanism 40, the four cam mechanisms 20 are calibrated, so that the whole device operates more accurately and stably.

[0030] In detail, Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 and Figure 12The assembled 16 pipe conveying beams 30 are sequentially installed on the 16 sets of cams 24, and when the staggered step cold bed is horizontally placed, the guide frame 32 is arranged on the side of the cold bed where the pipe bars gradually approach, that is, the discharge end, and the jacking frame 31 is arranged on the side of the cold bed where the pipe bars gradually move away, that is, the feeding end. Then, one cam mechanism 20 is selected as the main drive, and the driving mechanism 10 checks the positions of the other three cam mechanisms 20 based on the position data fed back by the four positioning mechanisms 40, so that all the cams 24 on the four cam mechanisms 20 return to the corresponding zero positions. When all the cams 24 are at the zero positions: all the pipe conveying beams 30 are at the same elevation, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 are at the standby position, and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 are at the discharge position. When the driving mechanism 10 drives all the cams 24 to rotate, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 rise to take the material, and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 descend to discharge the material. After all the cams 24 rotate by 90 degrees: the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 complete the material receiving and are at the highest position; the even-numbered pipe conveying beams 30 on the even-numbered cams 24 complete the material discharging and are at the lowest position. When all the cams 24 rotate by 180 degrees: all the pipe conveying beams 30 are again at the same elevation, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 are at the discharge position, and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 are at the standby position, at this time the pipe bars on the pipe conveying beams 30 horizontally move by one step, and the travel in space is the arc length of a semicircle with the step as the diameter. When all the cams 24 rotate by 270 degrees: the even-numbered pipe conveying beams 30 on the even-numbered cams 24 complete the material receiving and are at the highest position; the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 complete the material discharging and are at the lowest position. When all the cams 24 rotate by 360 degrees: all the pipe conveying beams 30 are at the same elevation, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 are at the standby position, and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 are at the discharge position, at this time the pipe bars on the pipe conveying beams 30 again horizontally move by one step, and the travel in space is still the arc length of a semicircle with the step as the diameter. At this time, all the cam 24 driving devices return to the zero positions again, and a running cycle is completed. In this cycle, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 each complete one material receiving and discharging, and the entire device completes two material receiving and discharging. The subsequent pipe bar conveying can be achieved through the continuous rotation of the cams 24. A plurality of pairs of cams 24 alternately adopt the first installation position and the second installation position on a plurality of driving shafts 25, and the phase difference between the first installation position and the second installation position is 180 degrees, which ensures that the rotational moments generated by the odd-numbered pipe conveying beams 30 and the even-numbered pipe conveying beams 30 due to the weight are balanced with each other, and the driving energy consumption is reduced.The multiple pipe cross beams 30 can realize light holding and light placing, and effectively prevent the pipe bars from deforming in a high temperature state.

[0031] The second embodiment of the present application also provides a running method of the staggered type step-by-step cooling bed device, and the running method is specifically: Four cam mechanisms 20 are installed, and every two cam mechanisms 20 are coaxially arranged through bearing seats and bearings to form two groups of cam mechanisms 20, the two groups of cam mechanisms 20 are arranged in parallel and are connected with the driving mechanism 10 through standard couplings; the cam mechanism 20 comprises a plurality of cams 24, the plurality of cams 24 are symmetrically arranged to form a plurality of pairs of cams 24, the plurality of pairs of cams 24 arranged on the same group of cam mechanisms 20 are divided into an odd-numbered group of cams 24 and an even-numbered group of cams 24 and are installed in a first installation position and a second installation position respectively, when a line from the center of the cam 24 installation shaft hole to the highest point of the cam 24 wheel rim points in the same direction as the 9 o'clock hand of the clock, the line is defined as the reference position of the cam 24, the preset clockwise direction is defined as the rotation direction of the cam 24 and the driving shaft 25, the first installation position is the installation position of the cam 24 when the rotation angle is 0 degrees, the second installation position is the installation position of the cam 24 when the rotation angle is 180 degrees, the phase difference between the cam 24 in the first installation position and the cam 24 in the second installation position is 180 degrees, when the speed direction of the point of intersection between the odd-numbered group of cams 24 in the zero position and the pipe beam 30 is consistent with the direction of the 3 o'clock hand of the clock, the speed direction is defined as the preset clockwise direction; a plurality of pipe beams 30 are divided into an odd-numbered group of pipe beams 30 and an even-numbered group of pipe beams 30 and are correspondingly installed on the odd-numbered group of cams 24 and the even-numbered group of cams 24, the length direction of the plurality of pipe beams 30 is perpendicular to the axial direction of the cam mechanism 20; one cam mechanism 20 is selected as the main drive, the position data fed back by the four positioning mechanisms 40 is used to check the positions of the other three cam mechanisms 20 with the main drive as the standard, so that all the cams 24 on the four cam mechanisms 20 return to the corresponding zero positions, the first installation position is the zero position of the odd-numbered group of cams 24, and the second installation position is the zero position of the even-numbered group of cams 24; when all the cams 24 are in the zero position: all the pipe beams 30 are at the same elevation, the odd-numbered group of pipe beams 30 on the odd-numbered group of cams 24 are at the standby position, and the even-numbered group of pipe beams 30 on the even-numbered group of cams 24 are at the discharging position; when the driving mechanism 10 drives all the cams 24 to rotate, the odd-numbered group of pipe beams 30 on the odd-numbered group of cams 24 ascend to take materials, and the even-numbered group of pipe beams 30 on the even-numbered group of cams 24 descend to discharge materials. After all the cams 24 rotate 90 degrees: the odd-numbered group of pipe beams 30 on the odd-numbered group of cams 24 complete the material receiving and are at the highest position; the even-numbered group of pipe beams 30 on the even-numbered group of cams 24 complete the material discharging and are at the lowest position. When all the cams 24 rotate 180 degrees: all the pipe beams 30 are again at the same elevation, the odd-numbered group of pipe beams 30 on the odd-numbered group of cams 24 are at the discharging position, and the even-numbered group of pipe beams 30 on the even-numbered group of cams 24 are at the standby position, at this time, the pipe bars on the pipe beams 30 horizontally move one step, and the stroke in space is the arc length of a semicircle with the step as the diameter. When all the cams 24 rotate 270 degrees: the even-numbered group of pipe beams 30 on the even-numbered group of cams 24 complete the material receiving and are at the highest position; the odd-numbered group of pipe beams 30 on the odd-numbered group of cams 24 complete the material discharging and are at the lowest position.When all the cams 24 rotate 360 degrees: all the pipe conveying beams 30 are at the same level, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 are at the feeding position, and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 are at the discharging position, at this time the pipe bars on the pipe conveying beams 30 move horizontally again by one step, the stroke in space is still the arc length of a semicircle with the step as the diameter. At this time, the driving devices of all the cams 24 return to the zero position, and a running cycle is completed. In this cycle, the odd-numbered pipe conveying beams 30 on the odd-numbered cams 24 and the even-numbered pipe conveying beams 30 on the even-numbered cams 24 each complete one feeding and discharging, and the whole device completes two feedings and dischargings. The conveying of the subsequent pipe bars can be realized through the continuous rotation of the cams 24.

[0032] The preferred embodiments of the present application have been described above with the aid of drawings, but the present application covers any and all modifications and variations coming within the scope of the present application. It is therefore understood that within the scope of the present application, the present application can be practiced otherwise than as specifically described.

Claims

1. A staggered stepping cooling bed device, characterized in that, include: A drive mechanism (10) is mounted on a production platform; Four cam mechanisms (20) are arranged coaxially in every two cam mechanisms (20) to form two sets of cam mechanisms (20). The two sets of cam mechanisms (20) are arranged in parallel and connected to the drive mechanism (10). The drive mechanism (10) is used to drive the two sets of cam mechanisms (20) to rotate. Multiple pipe-carrying beams (30) are evenly spaced and perpendicularly arranged on two sets of cam mechanisms (20). The two sets of cam mechanisms (20) are used to drive the multiple pipe-carrying beams (30) to move alternately to transport pipes and bars. Four positioning mechanisms (40) are set on the production platform and are positioned below the four cam mechanisms (20) respectively to collect the position data of the four cam mechanisms (20) and feed it back to the drive mechanism (10). The drive mechanism (10) is also used to control the four cam mechanisms (20) according to the position data.

2. The staggered stepping cooling bed device according to claim 1, characterized in that, The drive mechanism (10) includes: Four servo motors (11) are connected one-to-one with the four cam mechanisms (20) to drive the four cam mechanisms (20) to rotate; A servo controller (12) is electrically connected to the four servo motors (11) to control the four servo motors (11).

3. The staggered stepping cooling bed device according to claim 2, characterized in that, The cam mechanism (20) includes: A reduction gearbox (21) is provided, the input shaft of which is detachably connected to the output shaft of the servo motor (11). Multiple bearing housing supports (22) are arranged collinearly on the production platform; Multiple bearing housings (23) are arranged one-to-one on multiple bearing housing supports (22); Multiple drive shafts (25) are coaxially connected and detachably connected to the output end of the gearbox (21). The multiple drive shafts (25) are installed in multiple bearing seats (23). The gearbox (21) is used to transmit the rotational power of the servo motor (11) to drive the multiple drive shafts (25) to rotate. Multiple cams (24) are symmetrically arranged in pairs to form multiple pairs of cams (24). The multiple pairs of cams (24) alternately adopt a first mounting position and a second mounting position and are fixedly sleeved on multiple drive shafts (25). The multiple drive shafts (25) are used to drive the multiple pairs of cams (24) to rotate. The multiple pairs of cams (24) and multiple pipe beams (30) are in one-to-one rolling cooperation to drive the multiple pipe beams (30) to move alternately.

4. The staggered stepping cooling bed device according to claim 3, characterized in that, The cam mechanism (20) also includes: Multiple couplings (27) are provided on multiple drive shafts (25) to coaxially connect the multiple drive shafts (25); Multiple expansion sleeves (26) are sleeved on multiple drive shafts (25) and correspondingly inserted into multiple cams (24) to fix multiple cams (24) on multiple drive shafts (25).

5. The staggered stepping cooling bed device according to claim 3, characterized in that, The transport and maintenance crossbeam (30) includes: Two lifting frames (31) are symmetrically arranged along the axial direction of the cam mechanism (20) and rotatably mounted on a pair of cams (24) on a set of cam mechanisms (20); Two guide frames (32) are symmetrically arranged along the axial direction of the cam mechanism (20) and rotatably mounted on a pair of cams (24) on another set of the cam mechanisms (20); Two mounting plates (34) are respectively disposed on the top surfaces of the two lifting frames (31) and the two guide frames (32); The pipe transport frame (33) is arranged perpendicularly to the axis of the cam mechanism (20) and connected to the two mounting plates (34). The lifting frame (31) and the guide frame (32) cooperate under the drive of the cam (24) to make the pipe transport frame (33) move periodically.

6. The staggered walking cooling bed device according to claim 5, characterized in that, Each of the lifting frames (31) engages with one of the cams (24), and the lifting frame (31) includes: A connecting frame (311) is fixedly mounted on the pipe transport frame (33) via the mounting plate (34); A support wheel (312) is rotatably mounted on the connecting frame (311) and rotatably mounted on the cam (24). The support wheel (312) and the cam (24) are rotatably engaged so that the support wheel (312) is always located at the highest point of the cam (24).

7. The staggered stepping cooling bed device according to claim 6, characterized in that, Each of the guide frames (32) cooperates with one of the cams (24), and the guide frame (32) includes: Guide bracket (321), the guide bracket (321) is fixedly mounted on the pipe transport frame (33) by the mounting plate (34); Two guide wheels (322) are rotatably mounted on the guide bracket (321) along the length of the pipe rack (33) and rotatably engaged with the cam (24) so ​​that the two guide wheels (322) always ride symmetrically on both sides of the highest point of the cam (24).

8. The staggered stepping cooling bed device according to claim 5, characterized in that, The transport rack (33) includes: Two H-beams (331) are arranged perpendicularly to and symmetrically on the two mounting plates (34) of the cam mechanism (20); Multiple rectangular tubes (332) extend along the axial direction of the cam mechanism (20) and are evenly spaced on the top surfaces of the two H-beams (331); Multiple V-grooves (333) are symmetrically arranged to form multiple pairs of V-grooves (333), and multiple pairs of V-grooves (333) are arranged one-to-one on multiple rectangular tubes (332) to support the tubes and rods; Among them, a plurality of the rectangular tubes (332) are used to fix a plurality of pairs of V-grooves (333) onto two H-beams (331).

9. The staggered stepping cooling bed device according to claim 3, characterized in that, The positioning mechanism (40) includes: A detection bracket (42) is mounted on the production platform and positioned below the cam mechanism (20); A detection element (41) is mounted on the detection bracket (42) to collect position data of the cam mechanism (20).

10. A method for operating an interleaved stepping cooling bed device, characterized in that, The operating method is applied to an interlaced walking cooling bed device according to any one of claims 3 to 9, and the operating method includes: Two of the cam mechanisms (20) are coaxially arranged to form two sets of the cam mechanisms (20), and the two sets of the cam mechanisms (20) are arranged in parallel and connected to the drive mechanism (10); The multiple pairs of cams (24) set on the cam mechanism (20) in the same group are divided into odd-numbered cams (24) and even-numbered cams (24) and are installed using the first mounting position and the second mounting position respectively. The first mounting position is defined when the line connecting the vertex and the axis of the cam (24) is consistent with the direction of the nine o'clock hand of a clock. The phase difference between the first mounting position and the second mounting position is 180 degrees. All cams (24) on the two groups of cam mechanisms (20) maintain the same setting. Multiple pipe beams (30) are divided into odd-numbered pipe beams (30) and even-numbered pipe beams (30) and are correspondingly mounted on odd-numbered cams (24) and even-numbered cams (24). The length direction of the multiple pipe beams (30) is perpendicular to the axis of the cam mechanism (20). The drive mechanism (10) uses four positioning mechanisms (40) to zero-position the four cam mechanisms (20) so that all the cams (24) return to the zero position. The first mounting position and the second mounting position are the zero positions of the odd-numbered cams (24) and the even-numbered cams (24), respectively. When all the cams (24) are at zero, all the pipe beams (30) are at the same elevation. When the drive mechanism (10) is started, the drive shaft (25) starts to rotate in a preset clockwise direction. The odd-numbered pipe beams (30) are in the receiving position and start to rise to pick up the material, while the even-numbered pipe beams (30) are in the discharging position and start to descend to discharge the material. When all the cams (24) rotate 90 degrees, the odd-numbered pipe beams (30) complete receiving the material and are at their highest position, while the even-numbered pipe beams (30) complete discharging the material and are at their lowest position. When all the cams (24) rotate 180 degrees, all the pipe beams (30) are at the same elevation again. The odd-numbered pipe beams (30) are in the discharge position and begin to descend to discharge the material, while the even-numbered pipe beams (30) are in the receiving position and begin to rise to pick up the material. At this time, the pipe rod on the pipe beam (30) moves horizontally by one step. When all the cams (24) rotate 270 degrees, the odd-numbered pipe beams (30) complete the material discharge and are at the lowest position, and the even-numbered pipe beams (30) complete the material receiving and are at the highest position. When all the cams (24) rotate 360 ​​degrees, all the cams (24) return to the zero position and complete one operating cycle. All the pipe transport beams (30) are at the same elevation again. At this time, the pipes on the pipe transport beams (30) move horizontally by one step again. All the cams (24) continue to rotate to continuously transport the pipes.

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