Movable ball workbench easy to adjust

Abstract

The utility model discloses an easy-to-adjust movable ball workbench. A working platform provided with ball bearings is uniformly embedded in the top horizontal mounting surface of the upper part of a base through a lifting mechanism; a walking mechanism is installed at the bottom of the base. The optimized configuration base and the lifting mechanism are provided with a working platform of a ball bearing on the bearing surface. Part of sliding friction force between the workpiece and the upper surface of the working platform is converted into rolling friction force through the ball bearings, so that the friction force in the sliding process is remarkably reduced, and damage to the workpiece caused by the working platform in the sliding process is reduced. Flexible movement, free lifting, convenient operation and free adjustment are realized. The height and levelness of the table top can be accurately controlled and adjusted, meanwhile, the occupied space can be saved, the operation process is simplified, and smooth, convenient and free sliding and translation stable operation of a workpiece is achieved. The rigidity is high, and the service life is long. Through optimization design and function configuration, the mobile positioning device is suitable for various scenes needing accurate movement and positioning.

Description

Technical Field

[0001] The utility model belongs to the technical field of IPC classification B66F 7 / 00 platform lifting and lowering mechanism or B25H1 / 00 workbench, and particularly relates to a structural innovation and improvement technology of an easily adjustable mobile ball workbench or a light platform or bracket device for placing light tools or workpieces. Background Art

[0002] In mechanical production and processing, in addition to processing equipment, tooling parts and workpieces are indispensable. "Tooling" refers to the production process equipment, which refers to the general term for various tools used in the manufacturing process, including cutting tools, molds, measuring tools and workstations, etc. Both tooling and workpieces have high precision requirements, and often need to be translated on the surface of the placement and stacking platform; the traditional work platform can only provide load-bearing support, making the translation of tooling and workpieces on the platform surface laborious and cumbersome. The improved technologies disclosed for this purpose include:

[0003] Patent application 202320092609.0 discloses a stable lifting platform with a guide rail structure and a composite translation function, including a base and a lifting platform arranged above the base, an extension frame 1 is rotatably installed on one side of the upper end surface of the base, a slide groove is provided on the upper end surface of the base, and an extension frame 2 is slidably installed in the inner cavity of the slide groove, and a bracket is rotatably installed on the upper end surfaces of the extension frame 1 and the extension frame 2, and a screw 1 is installed on the upper end surface of the base. The device can rotate screw 1 through the lifting hand wheel, which can accurately control the extension movement of the extension frame, so that the lifting platform can be accurately controlled and adjusted, and by rotating the telescopic hand wheel, screw 2 can be rotated, causing the ball nut with threaded meshing on the surface to move linearly, driving the lifting platform to be accurately adjusted laterally.

[0004] Patent application 201821766406.0 discloses a spring ball workbench, which relates to the technical field of paper conveying workbenches. It aims to solve the problem that the universal ball platform in the prior art is easily used when books are placed on it, pressing out uneven small pits on the books, affecting the appearance of the books. The spring ball workbench comprises a work platform, wherein a plurality of accommodating cavities are provided in the work platform, wherein the accommodating cavities are opened on one side of the upper surface of the work platform, wherein balls are arranged in the accommodating cavities, and the diameter of the balls is larger than the diameter of the upper opening of the accommodating cavities, wherein an elastic member is provided in the accommodating cavities, and the balls are arranged between the elastic member and the upper opening of the accommodating cavities.

[0005] Patent application 201720927507.0 discloses a ball bearing workbench, which includes a first table plate, a second table plate movably arranged under the first table plate, and a support bracket for supporting the first table plate and the second table plate, the support bracket including a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg respectively fixed at four corner positions of the bottom surface of the first table plate, a first set of holes for the first supporting leg to pass through is provided at the first angular position of the second table plate, a second set of holes for the second supporting leg to pass through is provided at the second angular position of the second table plate, a third set of holes for the third supporting leg to pass through is provided at the third angular position of the second table plate, a fourth set of holes for the fourth supporting leg to pass through is provided at the fourth angular position of the second table plate, a plurality of universal balls are fixed on the surface of the second table plate, and a plurality of through holes for the plurality of universal balls to pass through are provided on the first table plate.

[0006] Some existing workbenches are equipped with universal balls to form ball workbenches, but such workbenches do not have lifting adjustment and walking functions. Some technologies also use bottom adjustment screws to achieve lifting, which is inconvenient to operate and has a small load, and is prone to damage. Utility Model Content

[0007] The technical problem to be solved by the present invention is that in view of the above problems and technical requirements, the present invention proposes an easily adjustable mobile ball bearing workbench, which has the characteristics of light walking and convenient and quick adjustment of the horizontality, overcomes the shortcomings of the prior art and meets the requirements of the prior art.

[0008] To this end, the utility model includes: a base, a lifting mechanism, a ball bearing and a working platform; the upper part of the base is flatly mounted on the top surface through the lifting mechanism, and the working platform with ball bearings evenly embedded in the top surface is installed; the bottom of the base is equipped with a walking mechanism. The base is a bracket structure, a box structure or a counterweight stacking structure.

[0009] The lifting mechanism is a lead screw structure, a knob screw structure, a hydraulic piston structure, a rotating cam structure, a crankshaft structure, a lever structure or a pad structure.

[0010] The base comprises legs which are vertically fixed at the corners, and adjacent legs are flatly connected to the bottom frame.

[0011] The walking mechanism is a heavy-duty universal wheel. The middle part of the heavy-duty universal wheel is an integrated rigid support frame, a connecting column is erected and fixed upward on the top of the rigid support frame, a nut is screwed on the connecting column, a cavity is provided in the middle and lower part of the rigid support frame and a ball bearing structure is built in, a fixed walking wheel is externally connected to one side of the lower part of the rigid support frame, a locking dial of a limit mechanism is installed in the middle part of the rigid support frame, and the teeth of the locking dial leak outward in the hollow part of the rigid support frame.

[0012] The lifting mechanism is an adjusting screw, the outer walls of the upper and lower ends of the adjusting screw are respectively provided with rotating threads, the middle section of the adjusting screw has a regular hexahedron outer wall, or the middle section of the adjusting screw adopts a regular triangular prism or a square column outer facade.

[0013] Furthermore, in order to achieve the above-mentioned purpose, the present invention is configured as follows:

[0014] In particular, the ball bearings on the surface of the working platform are arranged in an orthogonal matrix shape or in adjacent staggered equilateral triangle support structures; in the former case, the minimum support surface is a square formed by four adjacent ball bearings, or the minimum support surface is a right-angled isosceles triangle formed by three adjacent ball bearings; in the latter case, the minimum support surface is an equilateral triangle formed by three adjacent ball bearings.

[0015] In particular, the lifting mechanism is a self-adjusting lifting mechanism, which has a lifting telescopic column structure driven by a motor or pneumatically or hydraulically.

[0016] In particular, a accommodating support plate is installed flatly on the top of the base.

[0017] In particular, a level is mounted on the edge of the working platform.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the work platform with ball bearings installed on the bearing surface of the base and the lifting mechanism is optimally configured. The ball bearings are used to convert part of the sliding friction between the workpiece and the upper surface of the work platform into rolling friction, so as to significantly reduce the friction during the sliding process and reduce the damage caused to the workpiece by the work platform during the sliding process. Ample placement space is reserved for the workpiece, while ensuring the flatness and beauty of the overall structure. Flexible movement, free lifting, convenient operation, and free adjustment. The height and levelness of the console table can be precisely controlled and adjusted, while saving space, simplifying the operation process, and achieving smooth, convenient, free sliding and translational stable operation of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following drawings are for illustration only and should not be construed as limiting the present invention in any way. By referring to the following drawings, readers can understand the embodiments of the present invention and further understand the advantages and technical features of the present invention.

[0020] Figure 1 This is a schematic structural diagram of Example 1 of the utility model.

[0021] Figure 2 This is a schematic diagram of the adjustment screw structure in Example 1 of the utility model.

[0022] Figure 3 This is a schematic diagram of the heavy-duty universal wheel structure in Example 1 of the utility model.

[0023] Figure 4 This is a schematic structural diagram of Example 2 of the utility model.

[0024] Reference numerals include:

[0025] 1-working platform; 2-ball bearing; 3-leg, 4-adjusting screw; 5-heavy-load universal wheel; 6-base frame; 7-accommodating support plate; 8-level; 9-lifting self-adjusting mechanism; 51-adjusting nut; 52-column; 53-ball; 54-wheel; 55-locking dial. DETAILED DESCRIPTION

[0026] It should be noted that:

[0027] The terms "comprise", "comprises", "having" and any variations thereof are intended to cover other possible options under the same logic that are not listed. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or inherent to these processes, methods, products or apparatus.

[0028] In the description of the present utility model, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In order to enable those skilled in the art to better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only an embodiment of a part of the utility model, rather than all the embodiments.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by ordinary technicians in the field to which the utility model belongs. When there is a conflict, the definitions in this specification shall prevail.

[0032] The principle of the utility model is that the upper part of the base is evenly embedded with a working platform 1 on which ball bearings 2 are arranged on the top flat mounting surface through a lifting mechanism. Furthermore, a walking mechanism is installed at the bottom of the base.

[0033] In the utility model, the easily adjustable mobile ball bearing workbench is a flexible and efficient working equipment, which combines the mobility and easy adjustment characteristics of the translation table, and is very suitable for various application scenarios that require precise movement and positioning. The base is the fixed part of the entire translation table, providing stable support. The base can be realized in a wide range of forms, including bracket structure, box structure, counterweight stacking structure, etc. Moreover, the range of optional implementation forms of the lifting mechanism also includes a variety of types, such as a screw structure, a knob screw structure, a hydraulic piston structure, a rotating cam structure, a crankshaft structure, and even a lever structure or a pad structure. Similarly, the control method of the lifting mechanism can be manual or automatic. The walking mechanism can adopt universal wheels, electric self-propelled mechanisms, etc.

[0034] The utility model comprises: a base, a lifting mechanism, a ball bearing 2 and a working platform 1.

[0035] The easily adjustable mobile ball bearing workbench products disclosed in the utility model are widely needed in many fields, such as industrial automation, laboratory research, medical equipment, and stage equipment. In the field of industrial automation, it can be used for material handling, assembly, and testing on automated production lines to improve production efficiency and accuracy. In the laboratory, the translation table can be used to move and position experimental equipment, making it convenient for scientific researchers to perform experimental operations. In the medical field, the translation table can be used in radiotherapy and surgical navigation systems to achieve accurate positioning and treatment of medical records.

[0036] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0037] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

[0038] The content of the present invention can be more easily understood by selecting the following preferred implementation methods and embodiments of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by ordinary technicians in the field to which the present invention belongs. When there is a conflict, the definition in this specification shall prevail.

[0039] Embodiment 1: As attached Figure 1 As shown, the base includes a support leg 3 which is vertically fixed at the corner; a heavy-duty universal wheel 5 is installed at the bottom end of the support leg 3; and the upper end of the support leg 3 is connected to the lower side of the corner of the working platform 1 through an adjusting screw 4.

[0040] In the above, the adjacent legs 3 are connected with the base frame 6 in a horizontal manner to strengthen the rigid strength and bearing capacity of the base.

[0041] In the foregoing, as attached Figure 2 As shown, the outer walls of the upper and lower ends of the adjusting screw 4 have rotating threads respectively, and the middle section of the adjusting screw 4 has a regular hexahedron outer wall, or the middle section of the adjusting screw 4 adopts a regular triangular prism or a square column outer facade.

[0042] In the foregoing, as attached Figure 3 As shown, the middle part of the heavy-duty universal wheel 5 is an integrated rigid support frame, a connecting column 52 is erected and fixed upward on the top of the rigid support frame, a nut 51 is screwed on the connecting column 52, a cavity is provided in the middle and lower part of the rigid support frame, and a ball 53 with a ball bearing structure is built in, and a fixed running wheel 54 is externally connected to one side of the lower part of the rigid support frame, and a locking dial 55 of a limit mechanism is installed in the middle part of the rigid support frame, and the teeth of the locking dial 55 are exposed outward in the hollow part of the rigid support frame. The heavy-duty universal wheel 5 is fixed to the bottom of the base through the connecting column 52.

[0043] In the above, the top of the edge of the mounting groove of the ball bearing 2 is provided with an upwardly convex supporting ring, which provides the ball bearing 2 with position limiting support and overload protection.

[0044] In the above, the ball bearings 2 on the surface of the working platform 1 are arranged in an orthogonal matrix shape or in adjacent staggered equilateral triangle support structures; in the former case, the minimum support surface is a square formed by four adjacent ball bearings 2, or the minimum support surface is a right-angled isosceles triangle formed by three adjacent ball bearings 2; in the latter case, the minimum support surface is an equilateral triangle formed by three adjacent ball bearings 2.

[0045] In the foregoing, in order to enhance the supporting function of the base, in addition to the legs 3 vertically installed at the corners of the working platform 1, the base also includes legs 3 fixed at the lower side of the edge.

[0046] In the embodiment of the utility model, as a reinforcement measure, the base frame 6 can also be a plate-like structure or a hollow structure or installed with an oblique connection.

[0047] The application principle of this embodiment is as follows: when it is necessary to place a tool or workpiece flat on the surface of the work platform 1 and temporarily use the work platform 1 as a carrier for a short distance movement, first, select the work platform 1 according to the shape of the bottom support surface of the tool or workpiece, requiring that the bottom support surface of the tool or workpiece is not less than the minimum support surface of the ball bearings 2 arranged on the surface of the work platform 1. Of course, it is best to choose a support surface that covers as many ball bearings 2 as possible to effectively disperse the actual load of a single ball bearing 2. Next, the height and levelness of the work platform 1 are limitedly adjusted by adjusting the screw 4, and then the locking dial 55 of the heavy-duty universal wheel 5 is unlocked, and the tool or workpiece is moved into place in a short distance, and then the heavy-duty universal wheel 5 is locked by the locking dial 55. Then, on the work platform 1, the tool or workpiece is smoothly and easily slid and translated with the ball bearings 2 as support, or other operations are performed.

[0048] Embodiment 2: As attached Figure 4 As shown, the lifting mechanism is a lifting self-adjusting mechanism 9, which has a lifting telescopic column structure driven by a motor or pneumatic or hydraulic drive; the base is connected and supported on the bottom surface of the working platform 1 through the lifting self-adjusting mechanism installed upright at the corner.

[0049] In the embodiment of the utility model, further, a receiving support plate 7 is installed flat on the top of the base. The receiving support plate 7 can enhance the supporting strength of the base to the working platform 1, and can also temporarily place a small amount of items.

[0050] In the embodiment of the utility model, further, a level 8 is installed at the edge of the working platform 1 .

[0051] In the embodiment of the utility model, a ball bearing 2 ball system sliding mechanism is installed on the upper surface of the working platform 1 to provide stable and reliable movement support. The ball sliding mechanism ensures that the table is stable and vibration-free during movement, reducing errors and ensuring smooth and high-precision movement of the workpiece placed on the upper surface of the working platform 1.

[0052] In the embodiment of the utility model, the working platform 1 and the base have a stronger carrying capacity, and after the lifting self-adjusting mechanism 9 is adopted, in conjunction with the setting of the level 8, the overall equipment accuracy and control automation requirements are higher; the lifting mechanism, the walking mechanism and the level 8 are uniformly automated or even intelligently controlled; the lifting mechanism, the walking mechanism and the level 8 can be easily adjusted according to actual needs.

[0053] In the present utility model, the lifting mechanism and the traveling mechanism are driven by motors, and the rotary motion is converted into the vertical linear motion of the lifting mechanism or the movement or rotation of the traveling mechanism through the ball screw and the transmission mechanism, so as to achieve high-precision movement and positioning; in addition, the base, the lifting mechanism, the working platform 1 and the traveling mechanism are configured with heavy load reinforcement, which has the advantages of high rigidity and long life. Furthermore, the base or the working platform 1 is equipped with various sensors and control devices, such as photoelectric sensors and servo motors, so that precise operation control can be achieved. In general, after optimized design and functional configuration, the present utility model is suitable for various scenarios requiring precise movement and positioning.

[0054] Based on the above embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention, so as to avoid exhaustively listing all implementation methods that are unnecessary and impossible to list comprehensively.

Claims

1. An easily adjustable mobile ball bearing workbench, comprising a base, a lifting mechanism, a ball bearing and a working platform; characterized in that: The upper part of the base is installed flat on the top surface through the lifting mechanism, and the working platform with ball bearings evenly embedded in the surface is installed; the walking mechanism is installed at the bottom of the base; the base is a bracket structure, a box structure or a counterweight stacking structure; the lifting mechanism is a screw structure, a knob screw structure, a hydraulic piston structure, a rotating cam structure, a crankshaft structure, a lever structure or a pad structure; the base includes legs that are vertically fixed at the corners; the adjacent legs are flatly connected to the chassis; the walking mechanism is a heavy-duty universal wheel; the middle part of the heavy-duty universal wheel is an integrated rigid support frame, on which the rigid support frame is installed. A connecting column is vertically fixed upward from the top of the support frame, and a nut is screwed on the connecting column. A cavity is provided in the middle and lower part of the rigid support frame, and a ball bearing structure is built in, and a fixed wheel is externally connected to one side of the lower part of the rigid support frame. A locking dial of a limiting mechanism is installed in the middle part of the rigid support frame, and the teeth of the locking dial leak outwardly in the hollow part of the rigid support frame; the lifting mechanism is an adjusting screw, and the outer walls of the upper and lower ends of the adjusting screw respectively have rotating threads, and the middle section of the adjusting screw has an outer wall of a regular hexahedron, or the middle section of the adjusting screw adopts an outer facade of a regular triangular prism or a square column.

2. The easily adjustable movable ball bearing workbench according to claim 1, characterized in that: A accommodating support plate is installed flatly on the top of the base.

3. The easily adjustable movable ball bearing workbench according to claim 1, characterized in that: The ball bearings on the surface of the working platform are arranged in an orthogonal matrix shape or in an adjacent staggered equilateral triangle support structure; in the former case, the minimum support surface is a square formed by four adjacent ball bearings, or the minimum support surface is a right-angled isosceles triangle formed by three adjacent ball bearings; in the latter case, the minimum support surface is an equilateral triangle formed by three adjacent ball bearings.

4. The easily adjustable movable ball bearing workbench according to claim 1, characterized in that: A level is mounted on the edge of the work platform.

Images