Rapid positioning device suitable for large workpieces in machining industry

Abstract

The utility model discloses a quick positioning device suitable for large workpieces in the machining industry, particularly relates to the technical field of positioning devices, and comprises a positioning bottom plate, a plurality of steel ball holes are formed in the surface of the positioning bottom plate, a plurality of screw holes are formed in the surface of the positioning bottom plate, and three L-shaped clamping seats are arranged on the surface of the positioning bottom plate. A locking bolt is arranged on the L-shaped clamping base, and two key grooves are formed in the surface of the positioning bottom plate. The steel balls, the positioning columns, the bearings and the like are arranged, so that plane friction between a workpiece and a supporting surface can be changed into rolling friction, the steel balls are used for supporting the workpiece, the workpiece supporting surface is formed by a plurality of steel balls, and after the workpiece is stably hoisted, the workpiece can be stably hoisted by a single person under the manual action of the single person; the parts can be pushed to move freely on the steel ball bearing surface, positioning work can be accurately completed under the cooperation of other assemblies, and the quick positioning device is suitable for quick positioning of heavy, multi-variety and small-batch workpieces.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, and more specifically, to a rapid positioning device suitable for large workpieces in the mechanical processing industry. Background Art

[0002] The first thing to do in product processing is positioning. Heavier parts are placed on the machine tool workbench by hoisting. It also requires the cooperation of multiple people or the use of mechanical equipment to knock and move the workpiece in various directions before it can be basically in place. This takes a long time and has low positioning accuracy. If the workpiece requires high positioning accuracy or knocking is not allowed, the positioning time will be higher than the processing time.

[0003] Heavy-duty parts processing usually has the characteristics of small-batch production of multiple varieties of the same type, making the positioning process even more complicated.

[0004] When lifting heavy parts horizontally, the center of gravity of the workpiece shifts significantly and there are no suitable lifting points. The bottom surface is tilted during the lifting process and cannot be stably placed in the predetermined position. This problem exists in all products in the same series.

[0005] Due to the heavy weight of the workpiece, the workpiece positioning process requires the assistance of multiple people, and is carried out step by step by pushing, pulling, and knocking. Workpieces weighing more than 100 kilograms require mechanical assistance, resulting in a slow positioning process and insufficient accuracy, making the positioning time much longer than the processing time.

[0006] Therefore, there is an urgent need for a rapid positioning device suitable for large workpieces in the machining industry to solve the above problems. Utility Model Content

[0007] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a rapid positioning device suitable for large workpieces in the mechanical processing industry. By providing structures such as steel balls, positioning columns and bearings, the present invention can change the plane friction between the workpiece and the supporting surface into rolling friction. Steel balls are used as the support of the workpiece, and the workpiece supporting surface is formed by multiple steel balls. After the workpiece is hoisted stably, the workpiece can be pushed to move the parts arbitrarily on the steel ball supporting surface under the manpower of a single person, and the positioning work can be accurately completed with the cooperation of other components. It is suitable for the rapid positioning of heavy, multi-variety and small-batch workpieces to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rapid positioning device suitable for large workpieces in the mechanical processing industry, comprising a positioning base plate, a plurality of steel ball holes are provided on the surface of the positioning base plate, a plurality of screw holes are provided on the surface of the positioning base plate, three L-shaped holders are provided on the surface of the positioning base plate, a locking bolt is provided on the L-shaped holder, two key slots are provided on the surface of the positioning base plate, guide keys are provided on the two key slots, a positioning column is provided on the guide key, a bearing is fixedly installed on the end of the positioning column, steel balls are provided inside the plurality of steel ball holes, spherical screw plugs are provided inside the plurality of steel ball holes, and a sliding seat is provided inside the guide key.

[0009] In a preferred embodiment, the L-shaped holder is fixedly mounted on the positioning base plate by screws, and the screws are threadedly connected to the screw holes at corresponding positions.

[0010] In a preferred embodiment, the sliding seat is adapted to a keyway at a corresponding position, and the positioning column is threadedly connected to the sliding seat.

[0011] In a preferred embodiment, the guide key is fixedly mounted on the positioning base plate by screws, and the spherical screw plug is made of brass material.

[0012] In a preferred embodiment, the spherical screw plug is adapted to the steel ball at the corresponding position, and the spherical screw plug is threadedly connected to the steel ball hole at the corresponding position.

[0013] In a preferred embodiment, the locking bolt is threadedly connected to the L-shaped holder.

[0014] In a preferred embodiment, the two key grooves are symmetrically arranged on the positioning base plate, and the angle between the two key grooves is 90°.

[0015] The technical effects and advantages of this utility model are:

[0016] The utility model is provided with structures such as steel balls, positioning columns and bearings, so that the plane friction between the workpiece and the supporting surface can be changed into rolling friction. The steel balls are used as the support of the workpiece, and the workpiece supporting surface is formed by multiple steel balls. After the workpiece is hoisted stably, the workpiece can be pushed to move the parts on the steel ball supporting surface at will under the manpower of a single person, and the positioning work can be accurately completed with the cooperation of other components. It is suitable for the rapid positioning of heavy, multi-variety and small-batch workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the positioning base plate of the present utility model.

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the guide key of the present utility model.

[0020] The accompanying drawings are marked as follows: 1. Positioning base plate; 2. Steel ball hole; 3. Screw hole; 4. L-shaped socket; 5. Locking bolt; 6. Keyway; 7. Guide key; 8. Positioning column; 9. Bearing; 10. Steel ball; 11. Spherical screw plug; 12. Sliding seat. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] As attached Figure 1-3 As shown, the utility model provides a rapid positioning device suitable for large workpieces in the mechanical processing industry, including a positioning base plate 1, a plurality of steel ball holes 2 are provided on the surface of the positioning base plate 1, a plurality of screw holes 3 are provided on the surface of the positioning base plate 1, three L-shaped holders 4 are provided on the surface of the positioning base plate 1, a locking bolt 5 is provided on the L-shaped holder 4, two key grooves 6 are provided on the two key grooves 6, a positioning column 8 is provided on the guide key 7, a bearing 9 is fixedly installed on the end of the positioning column 8, a plurality of steel ball holes 2 are provided with steel balls 10, a plurality of steel ball holes 2 are provided with spherical screw plugs 11, and a sliding seat 12 is provided inside the guide key 7.

[0023] The L-shaped holder 4 is fixedly mounted on the positioning base plate 1 by screws, and the screws are threadedly connected to the screw holes 3 at corresponding positions.

[0024] The sliding seat 12 is adapted to the keyway 6 at the corresponding position, and the positioning column 8 is threadedly connected to the sliding seat 12 .

[0025] The guide key 7 is fixedly mounted on the positioning base plate 1 by screws, and the spherical screw plug 11 is made of brass material.

[0026] The spherical screw plug 11 is adapted to the steel ball 10 at the corresponding position, and the spherical screw plug 11 is threadedly connected to the steel ball hole 2 at the corresponding position.

[0027] The locking bolt 5 is threadedly connected to the L-shaped holder 4 .

[0028] The two key slots 6 are symmetrically arranged on the positioning base plate 1 , and the angle between the two key slots 6 is 90°.

[0029] The specific implementation method is as follows: when using the utility model, when a large and heavy workpiece is placed on the positioning base plate 1, the bottom of the workpiece contacts the steel ball 10, and a supporting surface is formed by multiple steel balls 10. After the workpiece is lifted and placed, it directly contacts the steel ball 10 to form a rolling friction state. For a 150-kilogram workpiece, the driving force only needs 5-8 kilograms, which is completely within the single-person load range, ensuring that the driving force is within the single-person load range. The material of the spherical screw plug 11 is brass to ensure that the friction surface does not stick together, and grease is also applied between the spheres to ensure that the rolling process is smooth and not stuck. According to the two-point positioning principle of the arc, the position of the center of any circle can be determined by two points. The angle between the two key slots 6 of this device is 90°, and the two key slots 6 are symmetrically arranged on the positioning base plate 1. Therefore, the A value of the two positioning columns 8 to the positioning base plate 1 is the same, and the center of the workpiece is on the same symmetrical center line, which can achieve different sizes. The product completes positioning, the bearing is responsible for contacting the inner hole of the workpiece, and there is rolling friction with the inner hole of the workpiece, which does not damage the product and reduces friction resistance. The guide key 7 can move along the keyway 6 and can be fixed to multiple positions on the positioning base plate 1 by screws, so as to realize the positioning of workpieces of different sizes and specifications, and achieve a universal state. The three L-shaped holders 4 can be used in conjunction with the positioning columns 8 to fix the workpiece, and can be locked by the locking bolts 5 to complete the positioning and fixation of the workpiece. This enables the utility model to change the plane friction between the workpiece and the supporting surface into rolling friction, and adopts steel balls 10 as the support of the workpiece. The workpiece supporting surface is formed by multiple steel balls 10. After the workpiece is hoisted stably, the workpiece can be pushed to move arbitrarily on the steel ball supporting surface under the manpower of a single person, and the positioning work is accurately completed with the cooperation of other components. It is suitable for fast positioning of heavy, multi-variety and small-batch workpieces.

[0030] Working principle of this utility model:

[0031] Refer to the instruction manual Figure 1-3 When using the utility model, by providing structures such as steel balls 10, positioning columns 8 and bearings 9, the utility model can change the plane friction between the workpiece and the supporting surface into rolling friction. The steel balls 10 are used as the support of the workpiece, and the workpiece supporting surface is formed by multiple steel balls 10. After the workpiece is hoisted stably, the workpiece can be pushed to move the parts on the steel ball supporting surface at will under the manpower of a single person, and the positioning work can be accurately completed with the cooperation of other components. It is suitable for the rapid positioning of heavy, multi-variety and small-batch workpieces.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0033] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0034] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rapid positioning device for large workpieces in the machining industry, comprising a positioning base plate (1), characterized in that: The surface of the positioning base plate (1) is provided with a plurality of steel ball holes (2), the surface of the positioning base plate (1) is provided with a plurality of screw holes (3), the surface of the positioning base plate (1) is provided with three L-shaped clamping seats (4), the L-shaped clamping seats (4) are provided with locking bolts (5), the surface of the positioning base plate (1) is provided with two key slots (6), the two key slots (6) are provided with guide keys (7), the guide keys (7) are provided with positioning columns (8), the ends of the positioning columns (8) are fixedly mounted with bearings (9), the interiors of the plurality of steel ball holes (2) are provided with steel balls (10), the interiors of the plurality of steel ball holes (2) are provided with spherical screw plugs (11), and the interiors of the guide keys (7) are provided with sliding seats (12).

2. A rapid positioning device for large workpieces in the machining industry according to claim 1, characterized in that: The L-shaped holder (4) is fixedly mounted on the positioning base plate (1) by screws, and the screws are threadedly connected to the screw holes (3) at corresponding positions.

3. The rapid positioning device for large workpieces in the machining industry according to claim 1, characterized in that: The sliding seat (12) is adapted to the keyway (6) at a corresponding position, and the positioning column (8) is threadedly connected to the sliding seat (12).

4. The rapid positioning device for large workpieces in the machining industry according to claim 1, characterized in that: The guide key (7) is fixedly mounted on the positioning base plate (1) by screws, and the spherical screw plug (11) is made of brass material.

5. The rapid positioning device for large workpieces in the machining industry according to claim 1, characterized in that: The spherical screw plug (11) is adapted to the steel ball (10) at the corresponding position, and the spherical screw plug (11) is threadedly connected to the steel ball hole (2) at the corresponding position.

6. The rapid positioning device for large workpieces in the machining industry according to claim 1, characterized in that: The locking bolt (5) is threadedly connected to the L-shaped holder (4).

7. The rapid positioning device for large workpieces in the machining industry according to claim 1, characterized in that: The two key slots (6) are symmetrically arranged on the positioning base plate (1), and the angle between the two key slots (6) is 90°.

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