Core holding device with inclined holding rollers

Abstract

The invention belongs to the technical field of core holding devices, and discloses a core holding device with an inclined holding roller, which comprises a mounting plate, a mounting seat, a support plate and a support shaft, a mounting groove is formed in the outer wall of the mounting plate, a mounting sleeve is sleeved in the mounting groove, and the mounting sleeve is rotatably connected with the inner wall of the mounting plate through a first rotating shaft; one end of the first rotating shaft is fixedly connected with the outer wall of the mounting sleeve, and the other end is rotationally connected with the inner wall of the mounting plate; the hydraulic rod is fixedly connected to the inner wall of the mounting sleeve, a hinged support is arranged at the output end of the hydraulic rod, and the hinged support is rotationally connected with the connecting shaft through a second rotating shaft; and the mounting seat is perpendicular to the mounting plate and is fixedly connected with the mounting plate. The mounting cylinder is driven to rotate through the supporting shaft, the mounting cylinder is driven to rotate through the first motor and the hydraulic rod at the same time, the mounting angle of the holding roller can be adjusted, and through the design, an operator can conveniently and rapidly adjust equipment, so that the equipment debugging time is shortened, and the equipment debugging complexity is reduced.

Description

Technical Field

[0001] The invention relates to the field of core holding devices, and more particularly to a core holding device with inclined holding rollers. Background Art

[0002] In the production process of metal pipes, whether it is the front and back stage operations of the inclined tube rolling machine or the back stage operations of the piercing machine, it is inevitable to involve the firm holding of the rolling tools or rolled parts; this is crucial to ensure the smooth progress of the production process and the quality of the final product. In the back stage operations of the piercing machine, the core holding device is currently widely used to stabilize the ejector rod. This design can not only effectively ensure the smooth progress of the piercing process, but also accurately control the quality of the pierced and rolled rough pipe; the core holding device can hold the ejector rod tightly to prevent it from deflecting or shaking during the piercing process, thereby ensuring the accuracy and stability of the piercing.

[0003] The holding rollers in the core holding device of the prior art are usually installed at a fixed angle. However, when there is a certain deviation in the rolling angle of the pipe, the installation angle of the core holding device needs to be adjusted. Since the installation angle of the existing holding rollers is fixed, it takes more time to adjust the equipment, thereby increasing the time and complexity of equipment debugging. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a core holding device with tilted holding rollers, which can facilitate operators to quickly adjust the equipment, thereby reducing the time and complexity of equipment debugging.

[0005] The present invention proposes a core-holding device with an inclined holding roller, comprising a mounting plate, a mounting seat, a support plate and a support shaft, wherein the outer wall of the mounting plate is provided with a mounting groove, a mounting sleeve is sleeved in the mounting groove, and the mounting sleeve is rotatably connected to the inner wall of the mounting plate through a first rotating shaft, one end of the first rotating shaft is fixedly connected to the outer wall of the mounting sleeve, and the other end is rotatably connected to the inner wall of the mounting plate;

[0006] The hydraulic rod is fixedly connected to the inner wall of the mounting sleeve, and a hinge seat is provided at the output end of the hydraulic rod, and the hinge seat is rotatably connected to the connecting shaft through a second rotating shaft;

[0007] The mounting seat is perpendicular to the mounting plate and fixedly connected, and a first motor is fixedly connected to the top of the mounting seat;

[0008] The support plate is fixed to the top of the mounting seat, and two worms are rotatably connected between the support plates. The outer walls of the worms are fixedly connected to first gears, and the two first gears are meshed with each other, and one of the worms is fixedly connected to the output end of the first motor;

[0009] A worm wheel is fixed on the support shaft, and the worm wheel is meshed with two worms respectively.

[0010] Preferably, it also includes a mounting tube, which is rotatably connected to the support shaft, and the outer wall of the mounting tube is rotatably connected to the connecting shaft, and both ends of the mounting tube are fixedly connected with extension sleeves, and the outer wall of the extension sleeve is provided with sliding holes.

[0011] Preferably, a dual-axis motor is fixedly connected to the outer wall of the mounting tube, output shafts are fixedly connected at both ends of the dual-axis motor, a second gear is fixedly connected to the outer wall of the output shaft, a support shaft is rotatably connected to the outer wall of the output shaft, and the end of the support shaft is fixedly connected to the mounting tube.

[0012] Preferably, the circumferential outer wall of the extension sleeve is rotatably connected to a rotating disk, a plurality of guide holes are opened on the outer wall of the rotating disk, the outer wall of the rotating disk is fixedly connected to a rotating sleeve, the inner wall of the rotating sleeve is fixedly connected to a gear ring, and the gear ring is meshed with the second gear.

[0013] Preferably, the inner wall of the sliding hole is slidably connected to a support arm, the outer wall of the support arm is fixedly connected to a sliding shaft, the end of the sliding shaft passes through the guide hole and is slidably connected thereto, and when the rotating sleeve rotates, the support arm moves in the radial direction of the rotating sleeve through the cooperation of the guide hole and the sliding shaft.

[0014] Preferably, a fixing plate is fixedly connected between two adjacent support arms, the inner walls of the fixing plates are slidably connected to connecting rods, the outer walls of the connecting rods are fixedly connected to limiting sleeves, the circumferential outer walls of the output shafts are sleeved with springs, and the end of the output shaft is fixedly connected to the outer wall of the mounting tube.

[0015] Preferably, one end of the spring is fixedly connected to the limiting sleeve, and the other end of the spring is fixedly connected to the outer wall of the mounting tube.

[0016] Preferably, it also includes an embracing roller, both ends of which are provided with mounting holes, both ends of which are fixedly connected with a plurality of studs, and the outer walls of the studs are threadedly connected with nuts.

[0017] Preferably, a first cam is provided at one end of the embracing roller, and the first cam is fixedly connected to the support arm, and a second cam is provided at the other end of the embracing roller, and the end of the second cam is rotatably connected to the support arm, and the outer walls of the first cam and the second cam are rotatably connected to bearings, and the outer walls of the two bearings are fixedly connected to flanges, and the outer walls of the flanges are provided with flange holes, and the ends of the studs pass through the flange holes and extend to the outside thereof.

[0018] Preferably, the end of the second cam shaft is fixedly connected with a fixing sleeve, the inner wall of the fixing sleeve is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a driving shaft, the end of the driving shaft is rotatably connected to the first cam shaft, the outer wall of the driving shaft is fixedly connected with a connecting plate, and the end of the connecting plate is fixedly connected to the holding roller.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. In the present invention, the hinge seat is pushed to move by the extension and retraction of the hydraulic rod, and the hinge seat pushes the connecting shaft to move through the second rotating shaft, and the installation cylinder is pushed to rotate around the supporting shaft through the connecting shaft. When the hydraulic rod is running, the first motor drives the two worms to rotate through the first gear, and the two worms simultaneously drive the worm wheel to rotate, and the supporting shaft is driven to rotate through the worm wheel, and the installation cylinder is driven to rotate through the supporting shaft. The first motor and the hydraulic rod simultaneously drive the installation cylinder to rotate, so that the installation angle of the holding roller can be adjusted. This design can facilitate the operator to quickly adjust the equipment, thereby reducing the time and complexity of equipment debugging.

[0021] 2. In the present invention, the first motor and the hydraulic rod are used to simultaneously drive the installation cylinder to rotate, thereby improving the adjustment accuracy of the installation cylinder, and the self-locking structure of the two worms and the worm wheel can improve the adjustment stability of the installation cylinder.

[0022] 3. In the present invention, the second gear is driven to rotate by a dual-axis motor, the gear ring is driven to rotate by the second gear, the rotating sleeve is driven to rotate by the gear ring, and the rotating disk is driven to rotate by the rotating sleeve. When the rotating disk rotates, the sliding shaft slides along the inner wall of the guide hole. At this time, the sliding shaft drives the support arm to slide along the inner wall of the sliding hole. The movement of the support arm drives the fixed plate to slide along the outer wall of the connecting rod, thereby compressing the spring, and the holding roller is driven to move by the support arm, and the outer walls of pipes of different sizes are clamped by the holding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the installation structure of the first motor and the hydraulic rod of the present invention;

[0026] Figure 3 It is a schematic diagram of the installation structure of the rotating sleeve of the present invention;

[0027] Figure 4 It is a schematic diagram of the installation structure of the extension sleeve of the present invention;

[0028] Figure 5 is a schematic diagram of the installation structure of the second gear of the present invention;

[0029] Figure 6 is a schematic diagram of the installation structure of the second motor of the present invention;

[0030] Figure 7 It is a schematic diagram of the partial split structure of the present invention.

[0031] Explanation of the reference numerals in the figure: 1. Mounting plate; 2. Mounting seat; 3. Mounting groove; 4. Mounting sleeve; 5. First rotating shaft; 6. Hydraulic rod; 7. Hinge seat; 8. Second rotating shaft; 9. Connecting shaft; 10. First motor; 11. Support plate; 12. Worm; 13. First gear; 14. Support shaft; 15. Worm gear; 16. Mounting cylinder; 17. Extension sleeve; 18. Slide hole; 19. Dual-axis motor; 20. Output shaft; 21. Second gear; 22. Support plate; 23 , rotating disk; 24, guide hole; 25, rotating sleeve; 26, gear ring; 27, fixed plate; 28, support arm; 29, sliding shaft; 30, connecting rod; 31, limiting sleeve; 32, spring; 33, first cam shaft; 34, second cam shaft; 35, bearing; 36, flange; 37, flange hole; 38, holding roller; 39, stud; 40, nut; 41, mounting hole; 42, fixed sleeve; 43, second motor; 44, drive shaft; 45, connecting plate. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the implementation mode of the present application clearer, the technical solution in the implementation mode of the present application will be clearly and completely described in combination with the drawings in the implementation mode of the present application. Obviously, the described implementation mode is a part of the implementation mode of the present application, not all the implementation modes. Based on the implementation mode in the present application, all other implementation modes obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application. The specific implementation modes of the present invention are described in detail in combination with the drawings in the specification.

[0033] like Figure 1 and Figure 2 As shown, a core-holding device with an inclined holding roller comprises a mounting plate 1, a mounting seat 2, a support plate 11, a support shaft 14 and a mounting cylinder 16. The outer wall of the mounting plate 1 is provided with a mounting groove 3, and a mounting sleeve 4 is sleeved in the mounting groove 3. The mounting sleeve 4 is rotatably connected to the inner wall of the mounting plate 1 through a first rotating shaft 5. One end of the first rotating shaft 5 is fixedly connected to the outer wall of the mounting sleeve 4, and the other end is rotatably connected to the inner wall of the mounting plate 1.

[0034] The hydraulic rod 6 is fixedly connected to the inner wall of the mounting sleeve 4, and a hinge seat 7 is provided at the output end of the hydraulic rod 6, and the hinge seat 7 is rotatably connected to the connecting shaft 9 through a second rotating shaft 8; the mounting seat 2 is perpendicular to the mounting plate 1 and fixedly connected, and a first motor 10 is fixedly connected to the top of the mounting seat 2;

[0035] The support plate 11 is fixed to the top of the mounting seat 2, and two worms 12 are rotatably connected between the support plates 11. The outer walls of the worms 12 are fixedly connected to first gears 13, and the two first gears 13 are meshed with each other, and one of the worms 12 is fixedly connected to the output end of the first motor 10; a worm wheel 15 is fixed to the support shaft 14, and the worm wheel 15 is respectively meshed with the two worms 12. The meshing of the worm 12 and the worm wheel 15 has a self-locking characteristic, which prevents the installation cylinder 16 from rotating accidentally when no external force is applied, thereby improving the stability and safety of the entire structure.

[0036] like Figure 3 and Figure 4 As shown, the installation tube 16 is rotatably connected to the support shaft 14, the outer wall of the installation tube 16 is rotatably connected to the connecting shaft 9, and extension sleeves 17 are fixedly connected to both ends of the installation tube 16, and sliding holes 18 are opened on the outer wall of the extension sleeve 17.

[0037] like Figure 3 and Figure 5 As shown, a dual-axis motor 19 is fixedly connected to the outer wall of the mounting tube 16, output shafts 20 are fixedly connected at both ends of the dual-axis motor 19, a second gear 21 is fixedly connected to the outer wall of the output shaft 20, a support shaft 22 is rotatably connected to the outer wall of the output shaft 20, and the end of the support shaft 22 is fixedly connected to the mounting tube 16.

[0038] like Figure 1 As shown, the circumferential outer wall of the extension sleeve 17 is rotatably connected to a rotating disk 23, and the outer wall of the rotating disk 23 is provided with a plurality of guide holes 24 extending toward the center of the rotating disk 23. The outer wall of the rotating disk 23 is fixedly connected to a rotating sleeve 25, and the inner wall of the rotating sleeve 25 is fixedly connected to a gear ring 26, which meshes with the second gear 21.

[0039] like Figure 3 As shown, the inner wall of the sliding hole 18 is slidably connected to the support arm 28, the outer wall of the support arm 28 is fixedly connected to the sliding shaft 29, the end of the sliding shaft 29 passes through the guide hole 24 and is slidably connected thereto, and when the rotating sleeve 25 rotates, the support arm 28 moves in the radial direction of the rotating sleeve 25 through the cooperation of the guide hole 24 and the sliding shaft 29.

[0040] like Figure 3 As shown, a fixing plate 27 is fixedly connected between two adjacent support arms 28, a connecting rod 30 is slidably connected to the inner wall of the fixing plate 27, a limiting sleeve 31 is fixedly connected to the outer wall of the connecting rod 30, a spring 32 is sleeved on the circumferential outer wall of the output shaft 20, the end of the output shaft 20 is fixedly connected to the outer wall of the mounting tube 16, one end of the spring 32 is fixedly connected to the limiting sleeve 31, and the other end of the spring 32 is fixedly connected to the outer wall of the mounting tube 16.

[0041] like Figure 6 and Figure 7As shown, a core holding device with tilted holding rollers also includes a holding roller 38, both ends of which are provided with mounting holes 41, and both ends of the holding roller 38 are fixedly connected with a plurality of studs 39, and the outer walls of the studs 39 are threadedly connected with nuts 40. A first protruding shaft 33 is provided at one end of the holding roller 38, and the first protruding shaft 33 is fixedly connected with the support arm 28, and a second protruding shaft 34 is provided at the other end of the holding roller 38, and the end of the second protruding shaft 34 is rotatably connected with the support arm 28, and the outer walls of the first protruding shaft 33 and the second protruding shaft 34 are rotatably connected with bearings 35, and the outer walls of the two bearings 35 are fixedly connected with flanges 36, and the outer walls of the flanges 36 are provided with flange holes 37, and the ends of the studs 39 penetrate the flange holes 37 and extend to the outside thereof; by disassembling the nuts 40, the flanges 36 can be disassembled from the holding roller 38, so as to facilitate the inspection and maintenance of the internal structure of the holding roller 38.

[0042] like Figure 6 and Figure 7 As shown, a fixing sleeve 42 is fixedly connected to the end of the second cam shaft 34, a second motor 43 is fixedly connected to the inner wall of the fixing sleeve 42, a driving shaft 44 is fixedly connected to the output end of the second motor 43, the end of the driving shaft 44 is rotatably connected to the first cam shaft 33, a connecting plate 45 is fixedly connected to the outer wall of the driving shaft 44, and the end of the connecting plate 45 is fixedly connected to the holding roller 38; the driving shaft 44 is driven to rotate by the second motor 43, the connecting plate 45 is driven to rotate by the driving shaft 44, the holding roller 38 is driven to rotate by the connecting plate 45, and the rotation of the holding roller 38 can drive the pipe to rotate.

[0043] Working principle: The hydraulic rod 6 is extended and retracted to push the hinge seat 7 to move, and the hinge seat 7 pushes the connecting shaft 9 to move through the second rotating shaft 8, and the connecting shaft 9 pushes the installation cylinder 16 to rotate around the support shaft 14;

[0044] When the hydraulic rod 6 is running, the first motor 10 drives the two worms 12 to rotate through the first gear 13, and the two worms 12 simultaneously drive the worm wheel 15 to rotate, and the worm wheel 15 drives the support shaft 14 to rotate, and the support shaft 14 drives the installation cylinder 16 to rotate. The first motor 10 and the hydraulic rod 6 simultaneously drive the installation cylinder 16 to rotate, so that the installation angle of the holding roller 38 can be adjusted, and the adjustment accuracy of the installation cylinder 16 can be improved. The self-locking structure of the two worms 12 and the worm wheel 15 can improve the stability of the adjustment of the installation cylinder 16.

[0045] The output shaft 20 is driven to rotate by the dual-axis motor 19, the second gear 21 is driven to rotate by the output shaft 20, the gear ring 26 is driven to rotate by the second gear 21, the rotating sleeve 25 is driven to rotate by the gear ring 26, and the rotating disk 23 is driven to rotate by the rotating sleeve 25. When the rotating disk 23 rotates, the sliding shaft 29 slides along the inner wall of the guide hole 24. At this time, the sliding shaft 29 drives the support arm 28 to slide along the inner wall of the sliding hole 18. The movement of the support arm 28 drives the fixed plate 27 to slide along the outer wall of the connecting rod 30, thereby compressing the spring 32, and the holding roller 38 is driven to move by the support arm 28, and the outer walls of pipes of different sizes are clamped by the holding roller 38.

[0046] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A core holding device with inclined holding rollers, characterized in that: include: A mounting plate (1), wherein the outer wall of the mounting plate (1) is provided with a mounting groove (3), a mounting sleeve (4) is sleeved in the mounting groove (3), and the mounting sleeve (4) is rotatably connected to the inner wall of the mounting plate (1) via a first rotating shaft (5); A hydraulic rod (6), the hydraulic rod (6) being fixedly connected to the inner wall of the mounting sleeve (4), the output end of the hydraulic rod (6) being provided with a hinge seat (7), the hinge seat (7) being rotatably connected to the connecting shaft (9) via a second rotating shaft (8); A mounting seat (2), the mounting seat (2) being perpendicular to and fixedly connected to the mounting plate (1), and a first motor (10) being fixedly connected to the top of the mounting seat (2); A support plate (11), the support plate (11) is fixed to the top of the mounting seat (2), two worms (12) are rotatably connected between the support plates (11), the outer walls of the worms (12) are fixedly connected to first gears (13), the two first gears (13) are meshed with each other, and one of the worms (12) is fixedly connected to the output end of the first motor (10); A support shaft (14) is provided with a worm wheel (15) fixed on the support shaft (14), and the worm wheel (15) is respectively meshed with the two worms (12).

2. The core holding device with tilted holding roller according to claim 1 is characterized in that: The utility model also comprises a mounting tube (16), wherein the mounting tube (16) is rotatably connected to the support shaft (14), the outer wall of the mounting tube (16) is rotatably connected to the connecting shaft (9), and both ends of the mounting tube (16) are fixedly connected to extension sleeves (17), and the outer wall of the extension sleeve (17) is provided with sliding holes (18).

3. The core holding device with tilted holding roller according to claim 2 is characterized in that: A dual-axis motor (19) is fixedly connected to the outer wall of the mounting cylinder (16), an output shaft (20) is fixedly connected to both ends of the dual-axis motor (19), a second gear (21) is fixedly connected to the outer wall of the output shaft (20), a supporting shaft (22) is rotatably connected to the outer wall of the output shaft (20), and an end of the supporting shaft (22) is fixedly connected to the mounting cylinder (16).

4. The core holding device with tilted holding roller according to claim 3 is characterized in that: The outer circumferential wall of the extension sleeve (17) is rotatably connected to a rotating disk (23), the outer wall of the rotating disk (23) is provided with a plurality of guide holes (24), the outer wall of the rotating disk (23) is fixedly connected to a rotating sleeve (25), the inner wall of the rotating sleeve (25) is fixedly connected to a gear ring (26), and the gear ring (26) is meshed with the second gear (21).

5. The core holding device with tilted holding roller according to claim 4 is characterized in that: The inner wall of the sliding hole (18) is slidably connected to a support arm (28), the outer wall of the support arm (28) is fixedly connected to a sliding shaft (29), and the end of the sliding shaft (29) passes through the guide hole (24) and is slidably connected thereto; when the rotating sleeve (25) rotates, the supporting arm (28) moves in the radial direction of the rotating sleeve (25) through the cooperation of the guide hole (24) and the sliding shaft (29).

6. The core holding device with tilted holding roller according to claim 5, characterized in that: A fixing plate (27) is fixedly connected between two adjacent support arms (28), a connecting rod (30) is slidably connected to the inner wall of the fixing plate (27), a limiting sleeve (31) is fixedly connected to the outer wall of the connecting rod (30), a spring (32) is sleeved on the circumferential outer wall of the output shaft (20), and the end of the output shaft (20) is fixedly connected to the outer wall of the mounting cylinder (16).

7. The core holding device with tilted holding roller according to claim 6 is characterized in that: One end of the spring (32) is fixedly connected to the limiting sleeve (31), and the other end of the spring (32) is fixedly connected to the outer wall of the mounting tube (16).

8. The core holding device with tilted holding roller according to claim 7, characterized in that: It also comprises an embracing roller (38), both ends of which are provided with mounting holes (41), both ends of which are fixedly connected with a plurality of studs (39), and the outer walls of the studs (39) are threadedly connected with nuts (40).

9. The core holding device with tilted holding roller according to claim 8, characterized in that: A first cam (33) is provided at one end of the holding roller (38), and the first cam (33) is fixedly connected to the support arm (28). A second cam (34) is provided at the other end of the holding roller (38), and the end of the second cam (34) is rotatably connected to the support arm (28). The outer walls of the first cam (33) and the second cam (34) are both rotatably connected to bearings (35), and the outer walls of the two bearings (35) are both fixedly connected to flanges (36), and the outer walls of the flanges (36) are each provided with flange holes (37), and the ends of the studs (39) pass through the flange holes (37) and extend to the outside thereof.

10. The core holding device with tilted holding rollers according to claim 9, characterized in that: A fixing sleeve (42) is fixedly connected to the end of the second cam shaft (34); a second motor (43) is fixedly connected to the inner wall of the fixing sleeve (42); a driving shaft (44) is fixedly connected to the output end of the second motor (43); an end of the driving shaft (44) is rotatably connected to the first cam shaft (33); a connecting plate (45) is fixedly connected to the outer wall of the driving shaft (44); and an end of the connecting plate (45) is fixedly connected to the holding roller (38).

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