A lower roller shaft head connection structure of a working roller

Abstract

The present invention discloses a lower roller shaft head connection structure of a working roller, including a lower roller seat, a key, a shaft head, a fixed seat, a connecting rod, a torque seat and a hydraulic transmission device; a hollow fixed seat is installed on the outer side of the lower roller seat, a hollow torque seat is installed on the outer shell of the hydraulic transmission device, a pair of oppositely arranged cutouts are arranged at the outer end of the fixed seat, a pair of oppositely arranged protrusions are arranged at the outer end of the torque seat, the protrusions and the cutouts are adapted to each other in width and cooperate with each other, one end of the lower roller passes through the lower roller seat and is connected to the output rod of the hydraulic transmission device, and the fixed seat and the torque seat on both sides of the cutout are connected by a pull rod device. The torque seat of the present invention is connected to the outer edge of the hydraulic transmission device to provide fixation for torque input, the connecting rod connects the fixed seat to the torque seat to prevent excessive axial movement, the concave part of the fixed seat cooperates with the convex part of the torque seat, the upper and lower parts are tightly matched to resist torsion, and can slide in the horizontal direction, the lower roller forms a certain angle with the hydraulic transmission device, and the transmission of torque is ensured at the same time.

Description

Technical Field

[0001] The invention relates to the technical field of plate rolling machines, in particular to a lower roller shaft head connection structure of a working roller. Background Art

[0002] The existing horizontal downward adjustment three-roller plate rolling machine has developed from mechanical drive to hydraulic drive. The center distance between the two lower rollers can be adjusted to adapt to different specifications of cylinder diameters, and the two lower rollers can be adjusted to an eight-shaped shape to adapt to rolling cones. That is, there are two states between the lower roller and the hydraulic transmission device: one is that the lower roller and the hydraulic transmission device are in line; the other is that the lower roller and the hydraulic transmission device have a certain angle. The original mechanical drive transmits torque and adapts to horizontal movement by the telescopic cross universal connector. After changing to hydraulic drive, the lower roller shaft head and the hydraulic motor connection mechanism must withstand torque and a certain horizontal displacement, and a specific mechanism needs to be developed and designed to simultaneously achieve the above two functions. Summary of the invention

[0003] The present invention mainly solves the technical problems existing in the prior art and provides a lower roller shaft head connection structure of a working roller which can withstand both a certain horizontal displacement and torque.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0005] A lower roller shaft head connection structure of a working roller of the present invention comprises a lower roller seat, a key, a shaft head, a fixed seat, a connecting rod, a torque seat and a hydraulic transmission device; a hollow fixed seat is installed on the outer side of the lower roller seat, a hollow torque seat is installed on the outer shell of the hydraulic transmission device, a pair of oppositely arranged notches are arranged at the outer end of the fixed seat, a pair of oppositely arranged protrusions are arranged at the outer end of the torque seat, the protrusions and the notches are adapted to each other in width and cooperate with each other, one end of the lower roller passes through the lower roller seat and is connected to the output rod of the hydraulic transmission device, and the fixed seat and the torque seat on both sides of the notch are connected by a pull rod device.

[0006] Furthermore, the depth of the incision is greater than the length of the protrusion.

[0007] Furthermore, a fixed roller panel is provided on one side of the incision, a plurality of fixed rollers are provided in the fixed roller panel, the side stop of the protrusion is on the fixed roller panel, and a tightening mechanism is provided on the other side of the incision, and the tightening mechanism presses the protrusion onto the fixed roller.

[0008] Furthermore, the fixed roller panel is longitudinally provided with a plurality of fixed roller mounting holes, each of the fixed roller mounting holes is provided with fixed shaft end grooves on both sides, the cross-section of the fixed shaft end groove is rectangular, a fixed threaded hole is provided at the bottom of the fixed shaft end groove, the fixed roller is installed in the fixed roller mounting hole, the fixed roller is sleeved on the fixed shaft rod, both ends of the fixed shaft rod are respectively arranged in the fixed shaft end grooves on both sides of the fixed roller mounting hole, and the fixed shaft rod is installed in the fixed threaded hole by screws.

[0009] Furthermore, the fixed rollers are evenly distributed in an arc direction, the movable rollers are evenly distributed in an arc direction, and the rotation axes of the fixed rollers and the movable rollers pass through the turning axis of the lower roller.

[0010] Further, the tightening mechanism includes a movable roller panel, the movable roller panel is longitudinally provided with a plurality of movable roller mounting holes, each of the movable roller mounting holes is provided with movable shaft end grooves on both sides, the cross-section of the movable shaft end groove is rectangular, a movable threaded hole is provided at the bottom of the movable shaft end groove, the movable roller is installed in the movable roller mounting hole, the movable roller is sleeved on the movable shaft rod, and both ends of the movable shaft rod are respectively arranged in the movable shaft end grooves on both sides of the movable roller mounting hole, and the screw is installed in the movable threaded hole after passing through the movable shaft rod and the compression spring.

[0011] Furthermore, there are multiple groups of incisions and protrusions arranged in one-to-one correspondence.

[0012] Furthermore, the pull rod device includes a pull rod fixing seat installed on the side of the torque seat and the fixing seat, a pull rod is inserted between a pair of corresponding fixing seats, and threads are installed on the pull rods on both sides of the fixing seat.

[0013] Furthermore, the cross section of the fixing seat is a hollow rectangle or a circle.

[0014] In the present invention, the torque seat is connected to the outer edge of the hydraulic transmission device to provide fixation for torque input. The connecting rod connects the fixed seat to the torque seat to prevent excessive axial movement. The concave part of the fixed seat matches the convex part of the torque seat. The tight fit up and down can resist torsion and can slide in the horizontal direction. The lower roller forms a certain angle with the hydraulic transmission device, while ensuring the transmission of torque. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of the lower roller shaft head connection structure of the working roller of the present invention;

[0017] Figure 2 2 is a schematic structural diagram of a lower roller shaft head connection structure of a working roller according to a first embodiment of the present invention;

[0018] Figure 3 2 is a schematic structural diagram of a lower roller shaft head connection structure of a working roller according to a second embodiment of the present invention;

[0019] Figure 4 It is a schematic diagram of the structure of the fixed roller panel in the present invention;

[0020] Figure 5 It is a schematic diagram of the structure at the position of the movable roller in the present invention;

[0021] Figure 6 It is a schematic diagram of the structure at the position of the movable roller in the present invention. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0023] Embodiment 1

[0024] See also Figure 1 , Figure 2 As shown, a lower roller shaft head connection structure of a working roller comprises a lower roller seat 1, a key 2, a shaft head 3, a fixed seat 4, a connecting rod 5, a torque seat 6 and a hydraulic transmission device 7; a hollow fixed seat 4 is installed on the outer side of the lower roller seat 1, and the cross-section of the fixed seat 4 is a hollow circle, a hollow torque seat 6 is installed on the outer shell of the hydraulic transmission device 7, a pair of oppositely arranged cutouts 10 are arranged at the outer end of the fixed seat 4, a pair of oppositely arranged protrusions 9 are arranged at the outer end of the torque seat 6, the protrusions 9 and the cutouts 10 are adapted to each other in width and cooperate with each other, one end of the lower roller passes through the lower roller seat 1 and is connected to the output rod of the hydraulic transmission device 7, and the fixed seat 4 and the torque seat 6 on both sides of the cutout 8 are connected by a pull rod device 8. The external driving device can drive the lower roller to tilt upward or downward, and the lower roller drives the torque seat 6 and the hydraulic transmission device 7 to tilt together. The position of the cutout 10 is fixed, and the torque seat 6 can move axially a short distance relative to the fixed seat 4 and can tilt relative to the torque seat 6. At the same time, since the cutout 10 cooperates with the protrusion 9, the fixed seat 4 can withstand the torque of the hydraulic transmission device 7.

[0025] Preferably, the depth of the cutout 10 is greater than the length of the protrusion 9. This is used to facilitate the torque seat 6 to move not only outwardly but also inwardly by a short distance;

[0026] See also Figure 4 , Figure 5 As shown, a fixed roller panel 11 is provided on one side of the cutout 10, and a plurality of fixed rollers 12 are provided in the fixed roller panel 11. The side of the protrusion 9 is stopped on the fixed roller panel 11, and a tightening mechanism 20 is provided on the other side of the cutout 10, and the tightening mechanism 20 presses the protrusion 9 on the fixed roller 12. Since the equipment will be subjected to vibration and overturning for a long time, in order to prevent the side of the protrusion 9 and the side of the cutout 10 from being worn relative to each other for a long time, the fixed roller 12 is provided to guide the protrusion 9 and make active contact at the same time, which can effectively prevent the shaking of the hydraulic transmission device 7 during rotation caused by the wear gap. Optimally, the fixed roller 12 can be replaced by a ball, so as to achieve active cooperation in all directions.

[0027] The fixed roller panel 11 is longitudinally provided with a plurality of fixed roller mounting holes 13, each of which is provided with a fixed shaft end groove 14 on both sides, the fixed shaft end groove 14 is rectangular in cross section, and a fixed threaded hole 15 is provided at the bottom of the fixed shaft end groove 14, the fixed roller 12 is installed in the fixed roller mounting hole 13, the fixed roller 12 is sleeved on the fixed shaft rod 16, the two ends of the fixed shaft rod 16 are respectively provided in the fixed shaft end groove 14 on both sides of the fixed roller mounting hole 13, and the fixed shaft rod 16 is installed in the fixed threaded hole 15 by screws. When the torque seat 6 and the hydraulic transmission device 7 are tilted and flipped together, they can be guided and moved by the fixed roller 12; and the above device is convenient for installation and disassembly.

[0028] See also Figure 6 As shown, the clamping mechanism 20 includes a movable roller panel 21, and the movable roller panel 21 is longitudinally provided with a plurality of movable roller mounting holes 22, and movable shaft end grooves 23 are provided on both sides of each movable roller mounting hole 22, and the movable shaft end grooves 23 are rectangular in cross section, and movable threaded holes 24 are provided at the bottom of the movable shaft end grooves 23, and the movable roller 25 is installed in the movable roller mounting hole 24, and the movable roller 25 is sleeved on the movable shaft rod 26, and the two ends of the movable shaft rod 26 are respectively arranged in the movable shaft end grooves 23 on both sides of the movable roller mounting hole 22, and the screw is installed in the movable threaded hole 24 after passing through the movable shaft rod 26 and the compression spring 27. The movable roller 25 can be pushed against the other side of the protrusion 9 by the compression spring 27, and the protrusion 9 can be pressed against the fixed roller 12.

[0029] The fixed rollers 12 are evenly distributed in an arc direction, and the movable rollers 25 are evenly distributed in an arc direction, and the rotation axes of the fixed rollers 12 and the movable rollers 25 pass through the turning axis of the lower roller. When the torque seat 6 and the hydraulic transmission device 7 turn over together, the track of the position of the protrusion 9 is an arc, and the arc-shaped fixed rollers 12 and the movable rollers 25 are used to be the same as the track of the protrusion 9.

[0030] Embodiment 2

[0031] See also Figure 3 As shown, the difference between this embodiment and the first embodiment is that the cross section of the fixing seat 4 is a hollow rectangle, and the cutouts 10 and the protrusions 9 are arranged in multiple groups in a one-to-one correspondence, and the cutouts 10 and the protrusions 9 are arranged alternately. The cooperation of multiple groups of cutouts 10 and protrusions 9 increases the contact area of ​​the anti-torque.

[0032] The pull rod device 8 includes a pull rod fixing seat 81 installed on the side of the torque seat 6 and the fixing seat 4, and a pull rod 82 is inserted between a pair of corresponding fixing seats 4. Threads are installed on the pull rods 82 on both sides of the fixing seats 4. The length of the pull rod 82 can be adjusted through the threads, thereby adjusting the axial position of the torque seat 6 and the hydraulic transmission device 7.

[0033] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope defined in the claims.

Claims

1. A lower roller shaft head connection structure of a working roller, characterized in that: It includes a lower roller seat, a key, a shaft head, a fixed seat, a connecting rod, a torque seat and a hydraulic transmission device; a hollow fixed seat is installed on the outer side of the lower roller seat, and a hollow torque seat is installed on the outer shell of the hydraulic transmission device; a pair of oppositely arranged incisions are arranged at the outer end of the fixed seat, and a pair of oppositely arranged protrusions are arranged at the outer end of the torque seat, and the protrusions and the incisions are adapted to each other in width and cooperate with each other, one end of the lower roller passes through the lower roller seat and is connected to the output rod of the hydraulic transmission device, and the fixed seats and torque seats on both sides of the incision are connected by a pull rod device.

2. The lower roller shaft head connection structure of the working roller according to claim 1 is characterized in that: The depth of the cutout is greater than the length of the protrusion.

3. The lower roller shaft head connection structure of the working roller according to claim 2 is characterized in that: A fixed roller panel is provided on one side of the incision, and a plurality of fixed rollers are provided in the fixed roller panel. The side of the protrusion is stopped on the fixed roller panel. A tightening mechanism is provided on the other side of the incision, and the tightening mechanism presses the protrusion onto the fixed roller.

4. The lower roller shaft head connection structure of the working roller according to claim 3 is characterized in that: The fixed roller panel is longitudinally provided with a plurality of fixed roller mounting holes, and fixed shaft end grooves are provided on both sides of each of the fixed roller mounting holes. The cross-section of the fixed shaft end groove is rectangular, and a fixed threaded hole is provided at the bottom of the fixed shaft end groove. The fixed roller is installed in the fixed roller mounting hole, and the fixed roller sleeve is arranged on a fixed shaft rod, and both ends of the fixed shaft rod are respectively arranged in the fixed shaft end grooves on both sides of the fixed roller mounting hole, and the fixed shaft rod is installed in the fixed threaded hole by screws.

5. The lower roller shaft head connection structure of the working roller according to claim 4 is characterized in that: The tightening mechanism includes a movable roller panel, the movable roller panel is longitudinally provided with a plurality of movable roller mounting holes, each of the movable roller mounting holes is provided with movable shaft end grooves on both sides, the cross-section of the movable shaft end groove is rectangular, a movable threaded hole is provided at the bottom of the movable shaft end groove, the movable roller is installed in the movable roller mounting hole, the movable roller sleeve is arranged on the movable shaft rod, the two ends of the movable shaft rod are respectively arranged in the movable shaft end grooves on both sides of the movable roller mounting hole, and the screw is installed in the movable threaded hole after passing through the movable shaft rod and the compression spring.

6. The lower roller shaft head connection structure of the working roller according to claim 5 is characterized in that: The fixed rollers are evenly distributed in an arc direction, and the movable rollers are evenly distributed in an arc direction. The rotation axes of the fixed rollers and the movable rollers both pass through the turning axis of the lower roller.

7. The lower roller shaft head connection structure of the working roller according to claim 6 is characterized in that: The cutouts and protrusions are arranged in multiple groups in one-to-one correspondence.

8. The lower roller shaft head connection structure of the working roller according to claim 1 is characterized in that: The pull rod device comprises a pull rod fixing seat installed on the side of the torque seat and the fixing seat, a pull rod is passed through a pair of corresponding fixing seats, and threads are installed on the pull rods on both sides of the fixing seats.

9. The lower roller shaft head connection structure of the working roller according to claim 7, characterized in that: The cross section of the fixing seat is a hollow rectangle or a circle.

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