Rotary roller carrier

Abstract

The utility model discloses a rotating roller carrier which comprises a bottom frame, two bearing assemblies are arranged between the inner walls of the two sides of the bottom frame, each bearing assembly comprises a bearing frame, a rotating shaft is rotationally inserted into the top between the inner walls of the two sides of the bearing frame, one end of each rotating shaft is in key connection with a worm gear, and a worm is transversely and rotationally connected to the outer wall of one side of the bearing frame. And the outer walls of the two sides of the bearing frame are fixedly connected with sliding bases, two bidirectional threaded rods are rotationally connected between the inner walls of the two sides of the bottom frame in an inserted mode, the sliding bases are connected with the bidirectional threaded rods in a threaded and sleeving mode, and the outer wall of the rotating shaft is fixedly connected with a connecting base. The first bearing wheel and the second bearing wheel are driven to rotate under the meshing action of the worm and the worm wheel, so that the first bearing wheels of the two bearing assemblies are oppositely arranged or the second bearing wheels of the two bearing assemblies are oppositely arranged according to barrels with different sizes, and the barrels with different calibers can be conveniently borne.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roller stand technical field especially relates to a rotary roller stand. BACKGROUND

[0002] The roller stand is a kind of welding auxiliary equipment, and is commonly used for the welding of inner and outer ring seams and inner and outer longitudinal seams of cylindrical workpieces.

[0003] And the existing roller stand is in the process of using, when the cylinder with too big caliber gap is carried, only the distance between the two groups of rollers can be adjusted, leading to the poor carrying effect of small-caliber cylinder, therefore, in order to the industry technology progress, better realization different specifications cylinder carrying function, improve core technology competitiveness, the present application proposes a new implementation scheme different from the structure and application mode of the existing roller stand. UTILITARY MODEL CONTENT

[0004] The utility model discloses a rotary roller stand, which solves the problem of poor carrying effect of small-caliber cylinder caused by the adjustment of distance between two groups of rollers in the process of using the existing roller stand.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A rotary roller stand, comprising a chassis, two groups of bearing assemblies are arranged between the inner walls of the two sides of the chassis, the bearing assembly comprises a bearing frame, a rotating shaft is rotatably inserted into the top between the inner walls of the two sides of the bearing frame, a worm wheel is connected to one end of the rotating shaft, a worm gear is transversely rotatably connected to one side of the bearing frame, the worm gear is engaged with the worm wheel, a sliding seat is fixedly connected to the outer walls of the two sides of the bearing frame, two bidirectional threaded rods are rotatably inserted between the inner walls of the two sides of the chassis, the sliding seat is threadedly connected with the bidirectional threaded rods, a connecting seat is fixedly connected to the outer wall of the rotating shaft, two first bearing wheels are rotatably connected to one side of the connecting seat, and two second bearing wheels are rotatably connected to the other side of the connecting seat.

[0007] Further, a side plate is fixedly connected to one side of the chassis, an electric push rod is fixedly connected to the top of the side plate, an upper motor is fixedly connected to the top end of the electric push rod, and a driving wheel is key-connected to the output end of the upper motor.

[0008] Further, a chain wheel is key-connected to one end of the bidirectional threaded rod, and a chain is drivingly connected between the two chain wheels.

[0009] Further, a side motor is fixedly connected to the outer wall of one side of the chassis, and one end of one of the bidirectional threaded rods is fixedly connected to the output end of the side motor.

[0010] Further, a plurality of guide rods are fixedly connected between the inner walls of the two sides of the chassis, and the sliding seat is sleeved between the two guide rods.

[0011] Further, the worm is fixedly connected with a knob at one end, and the outer wall of the knob is provided with an anti-skid groove.

[0012] Further, the driving wheel is located between the two bearing assemblies.

[0013] The beneficial effects of the present application are as follows:

[0014] 1. The first bearing wheel and the second bearing wheel are driven to rotate under the meshing effect of the worm and the worm gear, so that the first bearing wheel of the two bearing assemblies is oppositely arranged or the second bearing wheel of the two bearing assemblies is oppositely arranged according to different sizes of the cylinder, thereby facilitating the bearing of different caliber cylinders.

[0015] 2. The bidirectional threaded rod is driven to rotate under the driving of the side motor and the transmission of the chain, so that the sliding seat moves along the guide rod, thereby adjusting the distance between the two connecting seats, so as to adapt to different caliber cylinders, and improve the applicability of the roller frame.

[0016] 3. The driving wheel is driven to rotate under the driving of the upper motor, so that the cylinder is driven to rotate by the friction between the driving wheel and the cylinder, thereby rotating and welding the cylinder conveniently and quickly. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of a rotating roller frame is provided for the present application;

[0018] Figure 2 A three-dimensional structure schematic diagram of a bearing assembly of a rotating roller frame is provided for the present application;

[0019] Figure 3 A three-dimensional structure schematic diagram of an inner part of a bearing assembly of a rotating roller frame is provided for the present application;

[0020] Figure 4 A main view structure schematic diagram of a large-caliber cylinder bearing state of a rotating roller frame is provided for the present application;

[0021] Figure 5 A main view structure schematic diagram of a small-caliber cylinder bearing state of a rotating roller frame is provided for the present application.

[0022] In the figure: 1, the base frame; 2, the bearing assembly; 201, the bearing frame; 202, the rotating shaft; 203, the connecting seat; 204, the first bearing wheel; 205, the second bearing wheel; 206, the worm wheel; 207, the worm; 208, the sliding seat; 3, the bidirectional threaded rod; 4, the guide rod; 5, the side plate; 6, the electric push rod; 7, the upper motor; 8, the driving wheel; 9, the sprocket; 10, the chain; 11, the side motor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Referring to Figures 1-5 A rotating roller frame, comprising a base frame 1, two bearing assemblies 2 are arranged between the inner walls of the two sides of the base frame 1, the bearing assembly 2 comprises a bearing frame 201, a rotating shaft 202 is rotatably inserted into the top between the inner walls of the two sides of the bearing frame 201, a worm wheel 206 is connected to one end of the rotating shaft 202, a worm 207 is transversely rotatably connected to one side of the bearing frame 201, the worm 207 is engaged with the worm wheel 206, a knob is welded to one end of the worm 207, an anti-skid groove is arranged on the outer wall of the knob, sliding seats 208 are welded to the outer walls of the two sides of the bearing frame 201, two bidirectional threaded rods 3 are rotatably inserted between the inner walls of the two sides of the base frame 1, the sliding seat 208 is threadedly sleeved with the bidirectional threaded rod 3, a connecting seat 203 is welded to the outer wall of the rotating shaft 202, two first bearing wheels 204 are rotatably connected to one side of the connecting seat 203, two second bearing wheels 205 are rotatably connected to the other side of the connecting seat 203, the knob is twisted to drive the worm 207 to rotate, the worm 207 drives the rotating shaft 202 to rotate under the engagement of the worm wheel 206, so that the first bearing wheel 204 and the second bearing wheel 205 are driven to rotate, so that the first bearing wheel 204 of the two bearing assemblies 2 is arranged opposite to each other or the second bearing wheel 205 of the two bearing assemblies 2 is arranged opposite to each other according to the size of the cylinder;

[0025] One end of the bidirectional threaded rod 3 is rotatably connected with a sprocket 9, the two sprockets 9 are drivingly connected with a chain 10, a side motor 11 is fixedly connected to one side of the outer wall of the base frame 1 through bolts, the output end of the side motor 11 is fixedly connected with one end of one of the bidirectional threaded rods 3, a plurality of guide rods 4 are welded between the inner walls of the two sides of the base frame 1, the sliding seat 208 is slidably sleeved between the two guide rods 4, the bidirectional threaded rod 3 is driven to rotate under the driving of the side motor 11 and the transmission of the chain 10, so that the sliding seat 208 moves along the guide rod 4, and then the connecting seat 203 moves, so that the distance between the two connecting seats 203 is adjusted to adapt to the cylinder of different diameters.

[0026] The side plate 5 is welded on one side of the chassis 1, the top of the side plate 5 is fixed with an electric push rod 6 through bolts, the top end of the electric push rod 6 is fixed with an upper motor 7 through bolts, the output end of the upper motor 7 is keyed with a driving wheel 8, the driving wheel 8 rotates under the driving of the upper motor 7, so as to drive the cylinder to rotate through the friction between the driving wheel 8 and the cylinder, and then the cylinder is rotationally welded, and the driving wheel 8 is located between the two bearing assemblies 2.

[0027] The working principle of the embodiment is as follows: in use, first, the knob is twisted to drive the worm 207 to rotate, and then the rotating shaft 202 is driven to rotate under the meshing action of the worm 207 and the worm wheel 206, so as to drive the first bearing wheel 204 and the second bearing wheel 205 to rotate, so that the first bearing wheel 204 of the two bearing assemblies 2 is oppositely arranged or the second bearing wheel 205 of the two bearing assemblies 2 is oppositely arranged according to different sizes of the cylinder, then the side motor 11 is started, the bidirectional threaded rod 3 is driven to rotate under the driving action of the chain 10 under the driving of the side motor 11, so that the sliding seat 208 moves along the guide rod 4, and then the connecting seat 203 is driven to move, so that the distance between the two connecting seats 203 is adjusted to adapt to different diameters of the cylinder, then the cylinder is placed between the first bearing wheel 204 of the two connecting seats 203 or between the second bearing wheel 205 of the two connecting seats 203, then the electric push rod 6 is started, the upper motor 7 is driven to move upwards under the driving of the electric push rod 6, so as to drive the driving wheel 8 to move upwards, and then the driving wheel 8 contacts the cylinder, the upper motor 7 is started, and the driving wheel 8 rotates under the driving of the upper motor 7, so as to drive the cylinder to rotate through the friction between the driving wheel 8 and the cylinder, and then the cylinder is rotationally welded.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A rotating roller frame, comprising a base frame (1), characterized in that, Two sets of bearing components (2) are provided between the inner walls of the two sides of the base frame (1). The bearing components (2) include a bearing frame (201). A rotating shaft (202) is rotatably inserted between the inner walls of the two sides of the bearing frame (201). A worm gear (206) is keyed to one end of the rotating shaft (202). A worm (207) is rotatably connected to one outer wall of the bearing frame (201). The worm (207) meshes with the worm gear (206). A slide (208) is fixedly connected to both outer walls of the bearing frame (201). Two bidirectional threaded rods (3) are rotatably inserted between the inner walls of the two sides of the base frame (1). The slide (208) is threadedly connected to the bidirectional threaded rods (3). A connecting seat (203) is fixedly connected to the outer wall of the rotating shaft (202). Two first bearing wheels (204) are rotatably connected to one side of the connecting seat (203). Two second bearing wheels (205) are rotatably connected to the other side of the connecting seat (203).

2. The rotating roller frame according to claim 1, characterized in that, A side plate (5) is fixedly connected to one side of the base frame (1), an electric push rod (6) is fixedly connected to the top of the side plate (5), an upper motor (7) is fixedly connected to the top of the electric push rod (6), and a drive wheel (8) is keyed to the output end of the upper motor (7).

3. A rotating roller frame according to claim 1, characterized in that, One end of the bidirectional threaded rod (3) is keyed to a sprocket (9), and a chain (10) is driven between the two sprockets (9).

4. A rotating roller frame according to claim 1, characterized in that, A side motor (11) is fixedly connected to one side of the outer wall of the base frame (1), and the output end of the side motor (11) is fixedly connected to one end of one of the bidirectional threaded rods (3).

5. A rotating roller frame according to claim 1, characterized in that, Multiple guide rods (4) are fixedly connected between the inner walls of the two sides of the base frame (1), and the slide (208) is slidably sleeved between two guide rods (4).

6. A rotating roller frame according to claim 1, characterized in that, A knob is fixedly connected to one end of the worm gear (207), and the outer wall of the knob is provided with an anti-slip groove.

7. A rotating roller frame according to claim 2, characterized in that, The drive wheel (8) is located between the two load-bearing components (2).

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