Adjustable roller shaft bracket

Abstract

The utility model discloses an adjustable roller shaft bracket, and belongs to the technical field of welding auxiliary devices. The device mainly comprises a base, multiple sets of detachable bracket roller mechanisms are arranged on the base, a gap is formed between every two adjacent bracket roller mechanisms, each bracket roller mechanism comprises two sets of symmetrically-arranged bracket roller assemblies, and a second rolling shaft is jointly and rotationally connected to the multiple bracket roller assemblies located on one side of the base. A first rolling shaft is jointly and rotationally connected to the multiple bracket roller assemblies located on the other side of the base, and the first rolling shaft and / or the second rolling shaft are / is connected with a power mechanism. The device is simple in structure, high in universality, suitable for heavy workpieces and capable of preventing the heavy workpieces from rotating and slipping, and also suitable for thin-wall workpieces and capable of preventing the workpieces from deforming during rotation. The positioning and welding device is mainly used for positioning and welding cylindrical workpieces such as still kettle barrels and rollers.

Description

Technical Field

[0001] This utility model belongs to the technical field of welding auxiliary devices, and more specifically, it relates to an adjustable roller shaft frame. Background Technology

[0002] Currently, during the manufacturing process of cylindrical workpieces such as autoclave bodies and drums, roller frames are often used for positioning and welding. The roller frames enable 360° rotation of the workpiece, thereby improving the efficiency and quality of the positioning and welding process and reducing the processing difficulty.

[0003] For example, patent publication number "CN116372495A" discloses a roller frame, including: a base with two opposing fixed plates on the base; two roller assemblies rotatably connected to the two fixed plates, each roller assembly including rollers; a motor; and a transmission mechanism connected to the motor, which in turn is connected to the two roller assemblies to drive the rollers of the two roller assemblies to rotate. In use, the workpiece is placed on the two roller assemblies, and a single motor can simultaneously drive the rollers of both assemblies to rotate. The structure is simple and the cost is low.

[0004] Although the above patent solves the problem of workpiece rotation, the following problems still exist in use: 1. The rotation of the workpiece is achieved through friction between it and the roller. The friction of the roller is small for heavier workpieces, and slippage often occurs; 2. For thin-walled workpieces, due to the spacing of the rollers, the workpiece is easily deformed during the rotation of the rollers; 3. The roller frame has poor versatility and cannot meet the needs of various types of workpieces. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an adjustable roller bearing with a simple structure and strong versatility. It is suitable for heavy workpieces to prevent them from slipping during rotation, and also suitable for thin-walled workpieces to prevent them from deforming during rotation.

[0006] The adjustable roller bracket includes a base, on which multiple sets of detachable bracket roller mechanisms are provided. There is a gap between adjacent bracket roller mechanisms. Each set of bracket roller mechanisms includes two sets of symmetrically arranged bracket roller assemblies. Multiple bracket roller assemblies located on one side of the base are rotatably connected to a second roller, and multiple bracket roller assemblies located on the other side of the base are rotatably connected to a first roller. The first roller and / or the second roller are connected to a power mechanism.

[0007] Preferably, the bracket roller assembly comprises a bottom plate fixedly connected with the base through fasteners, at least two parallel support uprights are fixedly connected on the bottom plate, the top ends of adjacent support uprights are jointly rotatably connected with first rolling wheels, the lower ends of adjacent support uprights are jointly rotatably connected with second rolling wheels, and the second rolling wheels are arranged on one side close to the middle of the base.

[0008] Preferably, the support uprights are in L-shaped structure, and the inner corner of the support uprights is provided with a smooth transition arc surface, the support uprights and the bottom plate are provided with reinforcing ribs, and adjacent support uprights are fixedly connected with connecting rib plates.

[0009] Preferably, the first rolling shaft and the second rolling shaft each comprise a metal rotating shaft located in the middle, and the outer surface of the metal rotating shaft is sleeved with a rubber sleeve.

[0010] Preferably, the first rolling shaft and / or the second rolling shaft are provided with an annular groove in the middle, a driven wheel fixedly connected with the metal rotating shaft is arranged in the annular groove, the diameter of the driven wheel is smaller than the diameter of the annular groove, a power mechanism is arranged on the base, the output end of the power mechanism is fixedly connected with a driving wheel, and the driving wheel is drivingly connected with the driven wheel through a transmission assembly.

[0011] Preferably, a plurality of threaded holes one for fixedly connecting with the base are arranged on the bottom plate, and a plurality of assembly holes one for adjusting the installation position of the bracket roller assembly and matched with the threaded holes one are arranged on the base.

[0012] Preferably, an adjusting mechanism is arranged between each group of bracket roller mechanisms and the base, the adjusting mechanism comprises matched sliding rails and sliding blocks, the sliding rails are fixedly connected with the base, the sliding blocks are fixedly arranged on the bottom of the bottom plate, a plurality of threaded holes one are arranged on the bottom plate, and a plurality of assembly holes two matched with the threaded holes one are arranged on the sliding rails.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses add bracket roller assembly and rolling shaft, wherein the middle of rolling shaft is metal rotating shaft, metal rotating shaft provides higher support strength, the outer surface of metal rotating shaft is sleeved with rubber sleeve, because the length of rolling shaft is continuous and same with the length of workpiece, so rubber sleeve is also connected and arranged, and the rotating frequency of this structure is more consistent compared with the mode that a plurality of rolling wheels directly contact with workpiece, and the contact area of rolling shaft with workpiece is increased, the large area rubber sleeve on metal rotating shaft can avoid heavy workpiece from slipping during rotation, and at the same time, avoid the deformation of thin-walled workpiece, so that the workpiece runs more stably during rotation, and is more convenient to use.

[0015] 2, the base is additionally provided with an assembly hole one or an adjusting mechanism, the installation position of the bottom plate can be adjusted according to the size of the workpiece to be machined, so that the spacing between the corresponding two bracket roller assemblies in each bracket roller mechanism is changed, and more models of workpieces can be adapted, and the universality of the equipment is greatly improved.

[0016] 3, the utility model discloses simple structure, it is convenient to maintain, through simple transmission, large area drive can be realized, save the cost, it is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of example one in the utility model;

[0018] Figure 2 It is the structural schematic diagram of bracket roller assembly;

[0019] Figure 3 It is the use state reference drawing of example one;

[0020] Figure 4 It is the structural schematic diagram of example two;

[0021] Figure 5 It is Figure 4 It is the local enlarged view of A portion in;

[0022] Figure 6 It is the use state reference drawing of example two.

[0023] In the drawing, 1, base;2, adjusting mechanism;201, assembly hole one;202, sliding block;203, slide rail;204, assembly hole two;3, bracket roller assembly;301, bottom plate;302, support vertical plate;3021, arc surface;3022, reinforcing rib;3023, connecting rib plate;303, first rolling wheel;304, second rolling wheel;4, second roller shaft;5, first roller shaft;501, driven wheel;6, power mechanism;601, driving wheel;7, workpiece. DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawings:

[0025] The orientation terms involved in the paragraph of detailed description are only for the convenience of the person skilled in the art to understand the technical scheme recorded in the application according to the visual orientation shown in the drawing. Except for explicit provisions and limitations, the terms such as "arrangement", "installation", "connection" should be understood broadly, and for the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0026] Example one:

[0027] As Figures 1 to 3As shown, an adjustable roller shaft support includes a base 1, which can be fixed to the workshop floor by bolts during use to prevent the roller shaft support from shifting during work and affecting subsequent welding work of the workpiece 7. The base 1 is provided with a plurality of detachable bracket roller mechanisms, which are used to jointly support two spaced apart roller shafts. The bracket roller mechanisms are arranged along the length direction of the roller shafts, and a spacing is provided between adjacent bracket roller mechanisms.

[0028] Each bracket roller mechanism includes two symmetrically arranged bracket roller assemblies 3, i.e., two bracket roller assemblies 3 in each bracket roller mechanism are arranged at positions close to the two sides of the base 1. A plurality of bracket roller assemblies 3 arranged at one side of the base 1 are jointly rotatably connected with a second roller shaft 4, and a plurality of bracket roller assemblies 3 arranged at the other side of the base 1 are jointly rotatably connected with a first roller shaft 5. The lengths of the first roller shaft 5 and the second roller shaft 4 match the length of the workpiece 7. The first roller shaft 5 and the second roller shaft 4 are used to jointly support the workpiece 7 and drive the workpiece 7 to rotate. During installation, the number of power mechanisms 6 is determined according to the weight of the workpiece 7. The first roller shaft 5 or the second roller shaft 4 can be connected with the power mechanism 6, or the power mechanism 6 can be connected with the first roller shaft 5 or the second roller shaft 4 through existing transmission members.

[0029] As shown in Figure 2 The bracket roller assembly 3 includes a bottom plate 301, which is provided with a plurality of threaded holes one for fixed connection with the base 1. The base 1 is provided with a plurality of assembly holes one 201 for adjusting the installation position of the bracket roller assembly 3 and cooperating with the threaded holes one. The bottom plate 301 is threadedly connected with the corresponding assembly holes one 201 of the base 1 through bolts and other fasteners. During use, the installation position of the bottom plate 301 can be adjusted according to the size of the workpiece 7 to be machined, so as to change the spacing between the corresponding two bracket roller assemblies 3 in each bracket roller mechanism, so as to adapt to more models of workpieces 7 and greatly improve the versatility of the equipment.

[0030] The bottom plate 301 is fixedly connected with two or more parallel support vertical plates 302, the support vertical plate 302 is in an L-shaped structure, and the inner corner of the support vertical plate 302 is provided with a smooth transition arc surface 3021, the design of the arc surface 3021 does not hinder the installation and rotation of the subsequent rolling shaft, the reinforcing ribs 3022 between the support vertical plate 302 and the bottom plate 301, and the connecting rib plates 3023 fixedly connected between adjacent support vertical plates 302, the reinforcing ribs 3022 and the connecting rib plates 3023 can improve the strength of the support vertical plate 302, so that the equipment runs more stably. In the embodiment, the support vertical plate 302 is two, the top end of the adjacent support vertical plate 302 is rotatably connected with the first rolling wheel 303 through the bearing, the lower end of the adjacent support vertical plate 302 is rotatably connected with the second rolling wheel 304 through the bearing, and the second rolling wheel 304 is arranged on one side close to the middle of the base 1. The first rolling wheel 303 and the second rolling wheel 304 jointly support the corresponding rolling shaft, and the distance between the first rolling wheel 303 and the second rolling wheel 304 is standard for the rolling shaft not to fall off.

[0031] Specifically, the first rolling shaft 5 and the second rolling shaft 4 each include a metal rotating shaft located in the middle, the metal rotating shaft provides high support strength, and the outer surface of the metal rotating shaft is sleeved with a rubber sleeve. Because the length of the rolling shaft is continuous, the rubber sleeve is also connected and arranged. Compared with the mode that a plurality of rolling wheels directly contact the workpiece, the rotation frequency of the rolling shaft is more consistent, and the rolling shaft increases the contact area with the workpiece 7. The large-area rubber sleeve on the metal rotating shaft can avoid heavy workpiece rotation slip, and the continuous structure of the rolling shaft avoids deformation of the thin-walled workpiece, so that the workpiece 7 runs more smoothly and is more convenient to use when rotating.

[0032] As shown in Figure 3 In the embodiment, the middle part of the first rolling shaft 5 is provided with an annular groove, and a driven wheel 501 fixedly connected with the metal rotating shaft is arranged in the annular groove. The diameter of the driven wheel 501 is smaller than the diameter of the annular groove. The power mechanism 6 is installed on the base 1, and the power mechanism 6 is preferably a speed reducer. The output end of the power mechanism 6 is fixedly connected with a driving wheel 601. The driving wheel 601 is in transmission connection with the driven wheel 501 through a transmission assembly. In the embodiment, the driving wheel 601 and the driven wheel 501 are preferably chain wheels, and the transmission assembly is preferably a chain. After the driven wheel 501 is installed on the chain, the chain does not contact the workpiece 7, that is, the outer surface of the chain is inside the annular groove.

[0033] Embodiment two:

[0034] As shown in Figures 4 to 6As shown, an adjustable roller shaft support, each group of bracket roller mechanism and base 1 are provided with adjusting mechanism 2, adjusting mechanism 2 includes matched slide rail 203 and sliding block 202, slide rail 203 is fixedly connected with base 1, sliding block 202 is fixedly installed on the bottom of bottom plate 301, a plurality of threaded holes one are formed in bottom plate 301 and sliding block 202, a plurality of assembly holes two 204 matched with threaded hole one are formed in slide rail 203.

[0035] In use, the position of bracket roller assembly 3 can be adjusted by passing the bolt through bottom plate 301, sliding block 202 and corresponding assembly hole two 204, so as to change the distance between the corresponding two bracket roller assemblies 3 in each group of bracket roller mechanism.

[0036] The utility model discloses in working principle:

[0037] When installing, the first roller shaft 5 and the second roller shaft 4 are directly placed on the corresponding first rolling wheel 303 and the second rolling wheel 304, and since the first rolling wheel 303 and the second rolling wheel 304 have a certain distance and height difference, the roller shaft will not fall off at this time, then, the workpiece 7 is placed on the first roller shaft 5 and the second roller shaft 4, and under the action of the gravity of the workpiece 7, the first roller shaft 5 and the second roller shaft 4 can be closely attached to the corresponding first rolling wheel 303 and the second rolling wheel 304, and when working, the power mechanism 6 is started, the power mechanism 6 drives the driving wheel 601 to rotate, the driving wheel 601 drives the driven wheel 501 and the first roller shaft 5 to rotate through the transmission assembly, under the action of friction, the first roller shaft 5 drives the workpiece 7 to rotate, and the workpiece 7 drives the second roller shaft 4 to rotate, at this time, the workpiece 7 can be welded.

[0038] The utility model discloses structure is simple, and it is convenient for maintenance and maintenance, and the first roller shaft 5 and the second roller shaft 4 are matched with the length of the workpiece 7, and through the driving of the power mechanism 6, large-area driving can be realized, and the roller shaft has a large contact area with the workpiece 7, and the rotation frequency is consistent, so that the workpiece 7 runs more stably.

[0039] Finally, although the present specification is described according to the embodiments, not every embodiment only contains an independent technical scheme, and the description manner of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical scheme in each embodiment can be combined to form other embodiments that can be understood by the person skilled in the art.

Claims

1. An adjustable roller axle stand comprising a base (1), characterized in that: The base (1) is provided with a plurality of groups of detachable bracket roller mechanisms, a spacing is provided between adjacent bracket roller mechanisms, each group of bracket roller mechanisms comprises two groups of symmetrically arranged bracket roller assemblies (3), a plurality of bracket roller assemblies (3) located on one side of the base (1) are jointly rotatably connected with a second roller shaft (4), a plurality of bracket roller assemblies (3) located on the other side of the base (1) are jointly rotatably connected with a first roller shaft (5), and the first roller shaft (5) and / or the second roller shaft (4) are connected with a power mechanism (6).

2. The adjustable roller pedestal of claim 1, wherein: The bracket roller assembly (3) comprises a bottom plate (301), the bottom plate (301) is fixedly connected with the base (1) through fasteners, at least two parallel support vertical plates (302) are fixedly connected on the bottom plate (301), the top ends of adjacent support vertical plates (302) are jointly rotatably connected with first rolling wheels (303), and the lower ends of adjacent support vertical plates (302) are jointly rotatably connected with second rolling wheels (304), and the second rolling wheels (304) are arranged on one side close to the middle part of the base (1).

3. The adjustable roller pedestal of claim 2, wherein: The support vertical plate (302) is in an L-shaped structure, and an arc surface (3021) with smooth transition is arranged at the inner corner of the support vertical plate (302), a reinforcing rib (3022) is arranged between the support vertical plate (302) and the bottom plate (301), and a connecting rib plate (3023) is fixedly connected between adjacent support vertical plates (302).

4. The adjustable roller pedestal of claim 1, wherein: The first roller shaft (5) and the second roller shaft (4) each comprise a metal rotating shaft located in the middle part, and a rubber sleeve is sleeved on the outer surface of the metal rotating shaft.

5. The adjustable roller pedestal of claim 4, wherein: The first roller shaft (5) and / or the second roller shaft (4) are provided with an annular groove in the middle part, a driven wheel (501) fixedly connected with the metal rotating shaft is arranged in the annular groove, the diameter of the driven wheel (501) is smaller than the diameter of the annular groove, the power mechanism (6) is mounted on the base (1), the output end of the power mechanism (6) is fixedly connected with a driving wheel (601), and the driving wheel (601) is in transmission connection with the driven wheel (501) through a transmission assembly.

6. The adjustable roller pedestal of claim 2, wherein: A plurality of threaded holes one for fixed connection with the base (1) are formed in the bottom plate (301), and a plurality of assembly holes one (201) for adjusting the mounting position of the bracket roller assembly (3) and matched with the threaded holes one are formed in the base (1).

7. The adjustable roller pedestal of any one of claims 1 to 5, wherein: An adjusting mechanism (2) is arranged between each group of bracket roller mechanisms and the base (1), the adjusting mechanism (2) comprises a sliding rail (203) and a sliding block (202) matched with each other, the sliding rail (203) is fixedly connected with the base (1), the sliding block (202) is fixedly mounted at the bottom of the bottom plate (301), a plurality of threaded holes one are formed in the bottom plate (301), and a plurality of assembly holes two (204) matched with the threaded holes one are formed in the sliding rail (203).

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