Lifting type feeding mechanism of cold pilger mill and using method of lifting type feeding mechanism

Abstract

The invention belongs to the technical field of transportation equipment, particularly relates to a lifting type feeding mechanism of a cold pilger mill and a using method of the lifting type feeding mechanism, and aims to solve the problem that feeding is inconvenient to use in the prior art through a crane and the like and the defect that a pipe blank is prone to colliding with a core rod during feeding due to the fact that a port of the pipe blank is prone to colliding in the transportation process. A sliding block is arranged in the guide table in a sliding mode, two synchronous wheels are rotationally arranged in the guide table, the two synchronous wheels are in transmission connection with the same synchronous belt, the bottom of the sliding block is fixedly connected with the upper surface of the synchronous belt, automatic processing and accurate positioning of pipes are achieved, the production efficiency is improved, the labor intensity of workers is reduced, and the production efficiency is improved. The center height of the pipe can be automatically adjusted to adapt to pipes of different sizes, the two ends of the pipe can be trimmed, the pipe quality is ensured, meanwhile, automatic feeding of the pipe is achieved, and the automation degree is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of transportation equipment, and in particular to a lifting feeding mechanism of a cold rolling tube mill and a use method thereof. Background Art

[0002] The working principle of LG type cold rolling mill is to form a regular cavity through the rollers and mandrels, and use the elastic deformation of the metal to achieve the rolling of steel pipes. During the rolling process, the rollers exert pressure on the pipes, causing them to undergo plastic deformation, thereby changing the shape and size of the pipes. By adjusting the gap between the rollers and the size of the mandrel, pipes of different diameters and wall thicknesses can be rolled.

[0003] The feeding mechanism is equipped at one end of the pushing mechanism, and is used to transport the pipe into the pushing mechanism. The existing feeding mechanism usually loads the pipe by means of a crane, etc., which is not convenient to use. In addition, the end of the pipe blank may be bumped during transportation. If it is not handled, the end of the pipe blank is easy to collide with the mandrel during the feeding process. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that loading by means of a crane or the like is not convenient to use, and that the ends of the tube blanks may be bumped during transportation. If not handled, they are likely to clash with the mandrel during the feeding process. A lifting feeding mechanism for a cold rolling tube mill and a method of using the same are proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A lifting feeding mechanism of a cold rolling tube mill comprises a guide platform, a slider is slidably arranged in the guide platform, two synchronous wheels are rotatably arranged in the guide platform, the two synchronous wheels are connected to the same synchronous belt, the bottom of the slider is fixedly connected to the upper surface of the synchronous belt, a first motor is fixedly arranged on one side of the guide platform, and the output end of the first motor is fixedly connected to one of the synchronous wheels for driving the slider to move; A lifting frame, the lifting frame is arranged on one side of the guide platform, the lifting frame is provided with a support platform, the support platform is provided with a plurality of guide rollers for carrying the pipe, the plurality of guide rollers are also provided with a push rod, the push rod is connected to the slider, and is used to push the pipe on the guide roller into the pushing mechanism; A plurality of first mounting seats, each of which is fixedly mounted on the top of the support platform, a material platform for holding pipes is fixedly mounted on one side of the plurality of first mounting seats, and the top of the first mounting seats can limit the position of the pipes, and two baffles are also fixedly mounted on the top of the material platform for positioning the pipes; A connecting frame, the connecting frame is fixedly arranged on the top of the two baffles, and the connecting frame is provided with a trimming mechanism for processing the two ends of the pipe; The feeding mechanism is arranged on the connecting frame and is used in conjunction with the slider and the trimming mechanism to move the trimmed pipe to a plurality of guide rollers.

[0006] In a possible design, the lifting frame includes a plurality of sleeve rods arranged on one side of the guide platform, a sliding rod is slidably provided in the sleeve rods, the support platform is fixedly provided at the top end of the plurality of sliding rods, a same connecting plate is fixedly provided in the middle of the plurality of sliding rods, at least two screw lifters are fixedly provided on one side of the guide platform, the output end of the screw lifter is fixedly connected to the connecting plate, the input ends of the two screw lifters are connected by a transmission rod, a second motor is provided on one side of one of the screw lifters, the output end of the second motor is fixedly connected to the input end of the screw lifter, for adjusting the center height of the pipe.

[0007] In a possible design, an extension rod is fixedly provided on one side of the connecting frame, a first sliding block is provided on the extension rod and one side of the connecting frame through a guide rail sliding, a first guide rod is fixedly provided in the slider, an extension strip is slidingly sleeved on the outer wall of the first guide rod, the first sliding block is fixed on the extension strip, and the push rod is fixed on the other end of the extension strip, so as to movably set the push rod on the connecting frame and the extension rod.

[0008] The camming mechanism is a pair of dual purpose wheels, each of which has a first end mounted on the front and a second end mounted on the rear of the wheels, each of which has a first end mounted on the front and a second end mounted on the rear of the wheels.

[0009] In a possible design, the driving member includes a second mounting seat fixed in the connecting frame, a storage roller is rotatably provided in the second mounting seat, a third motor is fixedly provided on one side of the second mounting seat, two second pull ropes are fixedly provided on the outer wall of the storage roller, the other ends of the second pull ropes are fixedly connected to the corresponding movable plates, and are used to drive the two movable plates to approach each other, and a tension spring is sleeved on the connecting rod, and the two ends of the tension spring are respectively fixedly connected to the mutually approaching sides of the fixed plate and the movable plate, and are used to drive the movable plate to reset and move.

[0010] In a possible design, the loading mechanism includes two groups of fixed blocks fixed on the inner walls on both sides of the connecting frame, a second guide rod is fixedly arranged between the two corresponding fixed blocks, a sliding sleeve is provided on the outer wall of the second guide rod, a third guide rod is fixedly arranged between the two sliding seats on the same side, and the two third guide rods are slidingly provided with the same moving bar, guide grooves are provided on both sides of the connecting frame, one end of the connecting rod is located in the guide groove and fixedly connected to the moving bar, a transmission member used in conjunction with an extension bar is provided on one side of the connecting frame, which is used to drive the moving bar to move and place the pipe on the material table on the guide roller, and the second mounting seat is fixedly arranged on the moving bar.

[0011] In a possible design, the transmission member includes a roller fixed on the inner wall of one side of the connecting frame, a first pull rope is wound around the roller, one end of the first pull rope is fixedly connected to the second mounting seat, a second sliding block is slidably provided on one side of the extension rod for use with the extension strip, and the other end of the first pull rope is fixedly connected to the second sliding block.

[0012] In a possible design, the outer wall of the second guide rod is provided with a first spring, and the two ends of the first spring are respectively fixedly connected to the mutually close sides of the upper fixed block and the sliding seat; the outer wall of the third guide rod is provided with a second spring, and the two ends of the second spring are respectively fixedly connected to the mutually close sides of the moving bar and the sliding seat, so as to drive the moving bar to reset and move.

[0013] In a possible design, one end of each of the first pressing roller and the second pressing roller is provided with a corresponding tapered portion for expanding the end of the pipe.

[0014] A method for using a lifting feeding mechanism of a cold rolling tube mill, comprising the following steps: S1. First, place the pipe on the material table, then start the third motor to drive the two moving plates to approach each other, and in the process of approaching, drive the second pressing roller to approach the first pressing roller, and at the same time start the fourth motor to drive the first pressing roller to rotate, and trim and expand the end surface of the pipe through the pressure between the first pressing roller and the second pressing roller and the friction between the first pressing roller and the pipe; S2, secondly, starting the first motor to drive the slider to move in the reverse direction, placing the trimmed pipe on a plurality of guide rollers; S3, after the placement is completed, the third motor is started to rotate in the opposite direction, so that the two groups of first pressing rollers and second pressing rollers are separated from each other, and the first motor is started to drive the slider to move, so that the pipe on the guide roller can be pushed into the pushing mechanism at one end, and the feeding and pushing are performed in sequence; S4. When the height needs to be adjusted, the second motor is started to drive the two screw lifters to work, drive the support platform to move up and down, adjust the centerline height of the pipe, and the push rod can automatically adjust according to the lifting height of the support platform.

[0015] Beneficial effects: In the present invention, the lifting feeding mechanism of the cold rolling tube mill realizes the automatic pushing of the tube by setting the guide platform, the slider, the synchronous wheel, the synchronous belt, the first motor and other structures. The output end of the first motor drives one of the synchronous wheels to rotate, and then the synchronous belt is driven, so that the slider slides in the guide platform, and the slider pushes the tube on the guide roller to move through the push rod, so as to realize the automatic feeding of the tube, reduce the labor intensity, and improve the production efficiency. In the present invention, the lifting feeding mechanism of the cold rolling tube mill realizes the adjustment of the center height of the tube by setting the lifting frame, the sleeve rod, the sliding rod, the connecting plate, the screw lifter, the second motor and other structures. The screw lifter is driven to work by the output end of the second motor, and then the connecting plate drives the sliding rod to slide in the sleeve rod, thereby realizing the adjustment of the center height of the tube, and facilitating the processing of tubes of different sizes; In the present invention, the lifting feeding mechanism of the cold rolling tube mill is provided with a trimming mechanism, including a connecting rod, a fixed plate, a movable plate, a first pressing roller, a second pressing roller, a fourth motor and other structures, and cooperates with a driving member to achieve trimming of both ends of the tube. The output end of the fourth motor drives the first pressing roller to rotate, and under the action of the movable block and the connecting rod, the second pressing roller cooperates with the first pressing roller to clamp and trim the two ends of the tube, thereby ensuring the flatness and smoothness of the two ends of the tube. In addition, the trimmed tube will vibrate with the guide roller during the subsequent transportation process, so that impurities on the surface can be shaken off. In the present invention, the lifting feeding mechanism of the cold rolling tube mill is configured with a feeding mechanism and a transmission part, including a fixed block, a second guide rod, a sliding seat, a third guide rod, a movable bar, a roller, a first pull rope and other structures, so that it can be used in conjunction with the slide table, thereby realizing automatic feeding of the tube during the resetting of the slider, eliminating the need for additional drive and reducing the cost of manufacturing and use.

[0016] In the present invention, by integrating multiple functions such as guiding, lifting, pushing, trimming and feeding, the automatic processing and precise positioning of the pipe are realized, which not only improves the production efficiency and reduces the labor intensity, but also can automatically adjust the center height of the pipe to adapt to pipes of different sizes, and can also trim both ends of the pipe to ensure the quality of the pipe, and at the same time realizes automatic feeding of the pipe, further improving the degree of automation; and a reset mechanism is designed to ensure the stable operation of the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of a lifting type feeding mechanism of a cold rolling tube mill proposed by the present invention; Figure 2This is a schematic diagram of the installation structure of a slide block and a guide platform of a lifting type feeding mechanism of a cold rolling tube mill proposed by the present invention; Figure 3 A schematic diagram of the lifting frame structure of a lifting feeding mechanism of a cold rolling tube mill proposed by the present invention; Figure 4 This is a schematic diagram of the material table structure of a lifting type feeding mechanism of a cold rolling tube mill proposed by the present invention; Figure 5 A schematic structural diagram of a loading mechanism of a lifting feeding mechanism of a cold rolling tube mill proposed by the present invention; Figure 6 for Figure 5 The enlarged structural diagram of the middle B part; Figure 7 This is a schematic diagram of the installation structure of the sliding block and the moving bar of the lifting type feeding mechanism of the cold rolling tube mill proposed by the present invention; Figure 8 This is a schematic diagram of the installation structure of the pressure rollers of the lifting feeding mechanism of the cold rolling tube mill proposed by the present invention; Fig. 9 for Figure 1 A schematic diagram of the enlarged structure of the middle part A; Fig.10 This is a schematic diagram of the structure after the pipe is processed; Fig.11 It is a partial side view schematic diagram of a lifting feeding mechanism of a cold rolling tube mill.

[0018] In the figure: 2, guide table; 3, slider; 4, push rod; 5, lifting frame; 6, support table; 7, guide roller; 8, material table; 9, connecting frame; 10, first guide rod; 11, extension bar; 12, first sliding block; 13, synchronous wheel; 14, synchronous belt; 15, first motor; 16, sleeve rod; 17, sliding rod; 18, connecting plate; 19, screw lifter; 20, transmission rod; 21, second motor; 22, baffle; 23, first mounting seat; 24, extension rod; 25, second sliding block; 2 6. First pull rope; 27. Moving bar; 28. Roller; 29. ​​Second mounting seat; 30. Third motor; 31. Storage roller; 32. Second pull rope; 33. Fixed block; 34. Second guide rod; 35. Sliding seat; 36. First spring; 37. Third guide rod; 38. Second spring; 39. Guide groove; 40. Connecting rod; 41. Fixed plate; 42. Moving plate; 43. Tension spring; 44. Fourth motor; 45. First pressure roller; 46. Moving block; 47. Second pressure roller; 48. Connecting rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Example 1: Reference Figure 1-Figure 11 , a lifting feeding mechanism of a cold rolling tube mill, which is used in the field of cold rolling tube mills, comprises: a guide table 2, and a slider 3 is slidably arranged inside the guide table 2. Inside the guide table 2, two synchronous wheels 13 are rotatably arranged, and are connected by a same synchronous belt 14 for transmission. The bottom of the slider 3 is fixedly connected to the upper surface of the synchronous belt 14, so that the slider 3 can move with the movement of the synchronous belt 14. A first motor 15 is fixedly arranged on one side of the guide table 2, and the output end of the first motor 15 is fixedly connected to one of the synchronous wheels 13. By starting the first motor 15, the synchronous wheel 13 and the synchronous belt 14 can be driven to rotate, thereby driving the slider 3 to move in the guide table 2.

[0021] The lifting frame 5 is arranged on one side of the guide platform 2, and a support platform 6 is arranged on the lifting frame 5, and a plurality of guide rollers 7 are arranged on the support platform 6 for carrying the pipe. In addition, a push rod 4 is also arranged on the plurality of guide rollers 7, and one end of the push rod 4 is connected to the slider 3. When the slider 3 moves, the push rod 4 can push the pipe on the guide roller 7 and push it into the subsequent pushing mechanism.

[0022] A plurality of first mounting seats 23 are fixedly arranged on the top of the support platform 6, and a material platform 8 is fixed on one side of the first mounting seats 23 for holding pipes. Two baffles 22 are also fixedly arranged on the top of the material platform 8 to position the pipes and prevent them from rolling or sliding. The top of the first mounting seats 23 limits the position of the pipes to ensure the stability of the pipes on the material platform 8.

[0023] The connecting frame 9 is fixedly arranged on the top of the two baffles 22, and a trimming mechanism is arranged on the connecting frame 9 for processing the two ends of the pipe. The specific structure of the trimming mechanism includes two connecting rods 40 arranged at the two ends of the connecting frame 9, and a fixed plate 41 is fixedly sleeved on the outer end of the connecting rod 40. A moving plate 42 located between the connecting frame 9 and the fixed plate 41 is slidably sleeved on the connecting rod 40, and a first pressing roller 45 is rotatably provided on one side of the moving plate 42. A moving block 46 is also slidably arranged in the moving plate 42, and a second pressing roller 47 used in conjunction with the first pressing roller 45 is rotatably provided on one side of the moving block 46. A fourth motor 44 is fixedly arranged on one side of the moving plate 42, and the output end of the fourth motor 44 is fixedly connected to the first pressing roller 45. A connecting rod 48 is rotatably arranged between the moving block 46 and the fixed plate 41. When the moving plate 42 moves, the connecting rod 48 can drive the moving block 46 and the second pressing roller 47 to move, so that the first pressing roller 45 and the second pressing roller 47 clamp the pipe and rotate and trim it.

[0024] An extension rod 24 is fixedly provided on one side of the connecting frame 9, and a first sliding block 12 is slidably provided on the extension rod 24 and one side of the connecting frame 9 through a guide rail. A first guide rod 10 is fixedly provided inside the slider 3, and an extension bar 11 is slidably sleeved on the outer wall of the first guide rod 10, and the first sliding block 12 is fixedly provided on the extension bar 11. The push rod 4 is fixedly provided at the other end of the extension bar 11, so that the push rod 4 can be movably provided on the connecting frame 9 and the extension rod 24, so that it can move with the movement of the slider 3, and at the same time, the support platform 6 can also drive the push rod to be raised and lowered during the height adjustment process.

[0025] The driving member of the trimming mechanism includes a second mounting seat 29 fixedly arranged in the connecting frame 9, a storage roller 31 is rotatably arranged in the second mounting seat 29, and a third motor 30 is fixedly arranged on one side of the second mounting seat 29. Two second pull ropes 32 are fixedly arranged on the outer wall of the storage roller 31, and the other end of the second pull rope 32 is fixedly connected to the corresponding movable plate 42. By starting the third motor 30, the storage roller 31 can be driven to rotate to store one end of the second pull rope 32, thereby driving the two movable plates 42 to approach each other, and clamping and trimming the pipe. A tension spring 43 is sleeved on the connecting rod 40, and the two ends of the tension spring 43 are respectively fixedly connected to the mutually approaching side of the fixed plate 41 and the movable plate 42, which is used to drive the movable plate 42 to reset and move after the driving member works, so as to facilitate subsequent operations.

[0026] The feeding mechanism includes two groups of fixed blocks 33 fixedly arranged on the inner walls of both sides of the connecting frame 9, a second guide rod 34 is fixedly arranged between the two corresponding fixed blocks 33, and a sliding seat 35 is slidably sleeved on the outer wall of the second guide rod 34. A third guide rod 37 is fixedly arranged between the two sliding seats 35 on the same side, and the same moving bar 27 is slidably sleeved on the two third guide rods 37. Guide grooves 39 are provided on both sides of the connecting frame 9, and one end of the connecting rod 40 is located in the guide groove 39 and fixedly connected to the moving bar 27. A transmission member used in conjunction with the extension bar 11 is provided on one side of the connecting frame 9, which is used to drive the moving bar 27 to move and place the pipe on the material table 8 on the guide roller 7. The second mounting seat 29 is fixedly arranged on the moving bar 27, so that when the moving bar 27 moves, it can drive the trimming mechanism and the second mounting seat 29 to move together.

[0027] The specific structure of the transmission member includes a roller 28 fixedly mounted on the inner wall of one side of the connecting frame 9, a first pull rope 26 is wound around the roller 28, and one end of the first pull rope 26 is fixedly connected to the second mounting seat 29. A second sliding block 25 used in conjunction with the extension bar 11 is slidably mounted on one side of the extension rod 24, and the other end of the first pull rope 26 is fixedly connected to the second sliding block 25. When the slider 3 moves and drives the extension bar 11 to move, the second sliding block 25 and the first pull rope 26 can drive the moving bar 27 and the second mounting seat 29 to move.

[0028] Example 2: Reference Figure 1-Figure 10 , improved on the basis of Example 1: the specific structure of the lifting frame 5 includes a plurality of sleeve rods 16 arranged on one side of the guide platform 2, a sliding rod 17 is slidably arranged in the sleeve rod 16, and the support platform 6 is fixedly arranged on the top of the plurality of sliding rods 17. The same connecting plate 18 is fixedly arranged in the middle of the plurality of sliding rods 17 in the middle, and at least two screw lifters 19 are fixedly arranged on one side of the guide platform 2, and the output end of the screw lifter 19 is fixedly connected to the connecting plate 18. The input ends of the two screw lifters 19 are connected by a transmission rod 20, and a second motor 21 is arranged on one side of one of the screw lifters 19, and the output end of the second motor 21 is fixedly connected to the input end of the screw lifter 19. By starting the second motor 21, the screw lifter 19 can be driven to rise and fall, thereby driving the sliding rod 17, the support platform 6 and the center height of the pipe to be adjusted.

[0029] The outer wall of the second guide rod 34 is provided with a first spring 36, and the two ends of the first spring 36 are respectively fixedly connected to the upper fixed block 33 and the side of the sliding seat 35 that are close to each other. The outer wall of the third guide rod 37 is provided with a second spring 38, and the two ends of the second spring 38 are respectively fixedly connected to the side of the moving bar 27 and the sliding seat 35 that are close to each other, and are used to drive the moving bar 27 and the trimming mechanism to reset and move after the transmission member works.

[0030] One end of the first pressing roller 45 and the second pressing roller 47 are both provided with corresponding tapered portions for expanding the ends of the pipes so that they can better enter the subsequent processing equipment, and can vibrate with the guide roller 7 during the pushing process to shake off impurities on the surface.

[0031] In this embodiment, first, the pipe is placed on the material table 8, and then the third motor 30 is started to drive the storage roller 31 to rotate. The rotation of the storage roller 31 can store one end of the two second pull ropes 32, and can drive the two movable plates 42 to approach each other. The movement of the movable plate 42 can drive the first pressing roller 45 to move above the pipe, and at the same time, it can drive the moving block 46 to move upward through the connecting rod 48. The upward movement of the moving block 46 can cooperate with the first pressing roller 45 to clamp and trim the port of the pipe. At the same time, the fourth motor 44 is started to drive the first pressing roller 45 to rotate, and the friction between the first pressing roller 45, the second pressing roller 47 and the pipe can drive the pipe to rotate. When one end of the pipe moves to the conical surface, the port can be expanded. Secondly, start the first motor 15 to drive the synchronous wheel 13 to rotate in the opposite direction. The reverse rotation of the synchronous wheel 13 can drive the synchronous belt 14 to move in the opposite direction, and can drive the slider 3 to move in the opposite direction. During the movement of the slider 3, the extension bar 11 can be driven to move through the first guide rod 10. During the movement of the extension bar 11, it can resist the movement of the second sliding block 25. The movement of the second sliding block 25 can pull one end of the first pull rope 26 to move, and the other end of the first pull rope 26 pulls the moving bar 27 to move toward one side of the connecting frame 9. The moving bar 27 moves to compress the second spring 38 on the third guide rod 37. During the movement of the moving bar 27, the moving bar 27 can be driven by the cooperation of the guide groove 39 and the connecting rod 40. Lifting movement, when the moving bar 27 moves upward, the third guide rod 37 can drive the sliding seat 35 to move upward on the second guide rod 34, and at the same time compress the first spring 36 until it moves into place. At this time, the trimmed pipe is located above the multiple guide rollers 7, and then the third motor 30 is started to rotate in the opposite direction, which can drive the storage roller 31 to rotate in the opposite direction, and release the stored second pull rope 32, and the moving plate 42 can reset and move under the action of the tension spring 43, and tighten the bent second pull rope 32, and the moving block 46 can move downward under the action of the connecting rod 48, driving the second pressure roller 47 to reset and move downward, and when the second pressure roller 47 is separated from the pipe, the pipe can automatically fall on the multiple guide rollers 7; Then, the first motor 15 is started to rotate forward, and the slider 3 is driven to move toward the connecting frame 9 through the synchronous wheel 13 and the synchronous belt 14. At this time, one end of the first pull rope 26 is in a relaxed state, and the moving bar 27 can be reset and moved under the action of the first spring 36 and the third guide rod 37, and the second pressing roller 47 and the first pressing roller 45 are driven to move to the two ends of the pipe on the material table 8 again. The slider 3 continues to move and can drive the push rod 4 to move through the extension bar 11. When the push rod 4 contacts the pipe on the guide roller 7, the pipe on the guide roller 7 is pushed into the pushing mechanism at one end, and the feeding and pushing are carried out in sequence. In the process of pushing the pipe, the port expansion part can cooperate with the guide roller to vibrate the pipe and shake off the impurities on the pipe. When the height needs to be adjusted, the second motor 21 is started to drive the two screw lifters 19 to work, drive the support platform 6 to move up and down, and adjust the center line height of the pipe. When the connecting frame 9 and the first pull rope 26 are moved up and down, they can drive the extension bar 11 to move up and down on the first guide rod 10 through the first sliding block 12, so that the push rod 4 can be automatically adjusted according to the lifting height of the support platform 6.

[0032] However, as is well known to those skilled in the art, the working principles and wiring methods of the first motor 15, the second motor 21, the third motor 30 and the fourth motor 44 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lifting feeding mechanism for a cold rolling mill, characterized in that: The guide platform (2) comprises a guide table (2), a slider (3) is slidably provided inside the guide table (2), two synchronous wheels (13) are rotatably provided inside the guide table (2), the two synchronous wheels (13) are transmission-connected by a same synchronous belt (14), the bottom of the slider (3) is fixedly connected to the upper surface of the synchronous belt (14), a first motor (15) is fixedly provided on one side of the guide table (2), the output end of the first motor (15) is fixedly connected to one of the synchronous wheels (13) for driving the slider (3) to move; A lifting frame (5), the lifting frame (5) being arranged on one side of the guide platform (2), the lifting frame (5) being provided with a support platform (6), the support platform (6) being provided with a plurality of guide rollers (7) for carrying the pipe, the plurality of guide rollers (7) being provided with a push rod (4), the push rod (4) being connected to the slider (3) and being used for pushing the pipe on the guide roller (7) into the pushing mechanism; A plurality of first mounting seats (23), wherein the plurality of first mounting seats (23) are all fixedly arranged on the top of the support platform (6), a material platform (8) for holding pipes is fixedly arranged on one side of the plurality of first mounting seats (23), and the top of the first mounting seats (23) can limit the position of the pipes, and two baffles (22) are also fixedly arranged on the top of the material platform (8) for positioning the pipes; A connecting frame (9), the connecting frame (9) being fixedly mounted on the top of the two baffles (22), and the connecting frame (9) being provided with a trimming mechanism for processing both ends of the pipe; The feeding mechanism is arranged on the connecting frame (9) and is used in conjunction with the slider (3) and the trimming mechanism, and is used to move the trimmed pipe onto the plurality of guide rollers (7).

2. The lifting feeding mechanism of the cold rolling mill according to claim 1, characterized in that: The lifting frame (5) comprises a plurality of sleeve rods (16) arranged on one side of the guide platform (2), a sliding rod (17) being slidably arranged inside the sleeve rod (16), the support platform (6) being fixedly arranged at the top ends of the plurality of sliding rods (17), a same connecting plate (18) being fixedly arranged in the middle of the plurality of sliding rods (17), at least two screw lifters (19) being fixedly arranged on one side of the guide platform (2), the output end of the screw lifter (19) being fixedly connected to the connecting plate (18), the input ends of the two screw lifters (19) being connected in transmission via a transmission rod (20), a second motor (21) being arranged on one side of one of the screw lifters (19), the output end of the second motor (21) being fixedly connected to the input end of the screw lifter (19) for adjusting the center height of the pipe.

3. The lifting feeding mechanism of the cold rolling mill according to claim 2, characterized in that: An extension rod (24) is fixedly provided on one side of the connecting frame (9); a first sliding block (12) is slidably provided on the extension rod (24) and one side of the connecting frame (9) via a guide rail; a first guide rod (10) is fixedly provided inside the sliding block (3); an extension strip (11) is slidably sleeved on the outer wall of the first guide rod (10); the first sliding block (12) is fixedly provided on the extension strip (11); and the push rod (4) is fixedly provided on the other end of the extension strip (11) so as to movably arrange the push rod (4) on the connecting frame (9) and the extension rod (24).

4. The lifting feeding mechanism of the cold rolling mill according to claim 3, characterized in that: The trimming mechanism comprises two connecting rods (40) arranged at two ends of a connecting frame (9); a fixed plate (41) is fixedly sleeved at the outer end of the connecting rod (40); a movable plate (42) located between the connecting frame (9) and the fixed plate (41) is slidably sleeved on the connecting rod (40); a first pressing roller (45) is rotatably provided through one side of the movable plate (42); a moving block (46) is slidably provided inside the movable plate (42); a second pressing roller (47) used in conjunction with the first pressing roller (45) is rotatably provided through one side of the movable block (46); a fourth motor (44) is fixedly provided on one side of the movable plate (42); an output end of the fourth motor (44) is fixedly connected to the first pressing roller (45); a connecting rod (48) is rotatably provided between the moving block (46) and the fixed plate (41); and a driving member is provided on the connecting frame (9) for driving the two movable plates (42) to approach each other, and in the process of approaching, driving the first pressing roller (45) and the second pressing roller (47) to clamp the pipe wall and perform rotation trimming.

5. The lifting feeding mechanism of the cold rolling mill according to claim 4, characterized in that: The driving member comprises a second mounting seat (29) fixedly arranged in the connecting frame (9), a storage roller (31) being rotatably arranged in the second mounting seat (29), a third motor (30) being fixedly arranged on one side of the second mounting seat (29), two second pull ropes (32) being fixedly arranged on the outer wall of the storage roller (31), the other ends of the second pull ropes (32) being fixedly connected to the corresponding movable plates (42) for driving the two movable plates (42) to approach each other, a tension spring (43) being sleeved on the connecting rod (40), the two ends of the tension spring (43) being respectively fixedly connected to the mutually approaching sides of the fixed plate (41) and the movable plate (42) for driving the movable plate (42) to reset and move.

6. The lifting feeding mechanism of the cold rolling mill according to claim 5, characterized in that: The feeding mechanism comprises two groups of fixed blocks (33) fixedly arranged on the inner walls of both sides of the connecting frame (9); a second guide rod (34) is fixedly arranged between the two corresponding fixed blocks (33) above and below; a sliding seat (35) is slidingly sleeved on the outer wall of the second guide rod (34); a third guide rod (37) is fixedly arranged between the two sliding seats (35) on the same side; a same moving bar (27) is slidingly sleeved on the two third guide rods (37); guide grooves (39) are provided on both sides of the connecting frame (9); one end of the connecting rod (40) is located in the guide groove (39) and is fixedly connected to the moving bar (27); a transmission member used in conjunction with the extension bar (11) is provided on one side of the connecting frame (9) for driving the moving bar (27) to move and place the pipe on the material table (8) on the guide roller (7); and the second mounting seat (29) is fixedly arranged on the moving bar (27).

7. The lifting feeding mechanism of the cold rolling mill according to claim 6, characterized in that: The transmission member comprises a roller (28) fixedly mounted on an inner wall of one side of the connecting frame (9), a first pull rope (26) being wound around the roller (28), one end of the first pull rope (26) being fixedly connected to a second mounting seat (29), a second sliding block (25) for use with the extension bar (11) being slidably mounted on one side of the extension rod (24), the other end of the first pull rope (26) being fixedly connected to the second sliding block (25).

8. The lifting feeding mechanism of the cold rolling mill according to claim 7, characterized in that: The outer wall of the second guide rod (34) is provided with a first spring (36), and the two ends of the first spring (36) are respectively fixedly connected to the upper fixed block (33) and the side of the sliding seat (35) close to each other. The outer wall of the third guide rod (37) is provided with a second spring (38), and the two ends of the second spring (38) are respectively fixedly connected to the side of the moving bar (27) and the sliding seat (35) close to each other, so as to drive the moving bar (27) to reset and move.

9. The lifting feeding mechanism of the cold rolling mill according to claim 4, characterized in that: One end of each of the first pressing roller (45) and the second pressing roller (47) is provided with a corresponding tapered portion for expanding the end of the pipe.

10. The method for using the lifting feeding mechanism of a cold rolling mill according to any one of claims 1 to 9, characterized in that: step: S1. First, place the pipe on the material table (8), then start the third motor (30) to drive the two movable plates (42) to approach each other, and in the process of approaching, drive the second pressing roller (47) to approach the first pressing roller (45), and at the same time start the fourth motor (44) to drive the first pressing roller (45) to rotate, and trim and expand the end surface of the pipe through the pressure between the first pressing roller (45) and the second pressing roller (47) and the friction between the first pressing roller (45) and the pipe; S2, secondly, starting the first motor (15) to drive the slider (3) to move in the reverse direction, and placing the trimmed pipe on a plurality of guide rollers (7); S3, after the placement is completed, the third motor (30) is started to rotate in the opposite direction, so that the two groups of first pressing rollers (45) and second pressing rollers (47) move away from each other, and the first motor (15) is started to drive the slider (3) to move, so that the pipe on the guide roller (7) can be pushed into the pushing mechanism at one end, and the feeding and pushing are carried out in sequence; S4. When the height needs to be adjusted, the second motor (21) is started to drive the two screw lifters (19) to work, thereby driving the support platform (6) to move up and down to adjust the centerline height of the pipe, and the push rod (4) can automatically adjust according to the lifting height of the support platform (6).

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