Side surface limiting device based on zero point positioning

Abstract

The utility model relates to the technical field of side surface limiting devices, and discloses a side surface limiting device based on zero point positioning, which comprises a zero point positioning base, a zero point positioning shaft, a mounting plate, a storage table, a side surface limiting mechanism and a flexible clamp. During use, a workpiece needing to be machined is placed on the storage table, and the storage table is mounted corresponding to the zero-point positioning shaft, so that the zero-point positioning shaft is more accurate; and meanwhile, the side faces of the workpiece are clamped and limited through side face limiting mechanisms arranged on the four sides of the storage table. By the adoption of the structure, during machining, a workpiece can be effectively clamped and limited directly through the side face limiting mechanisms arranged on the four sides, and it is avoided that precision is reduced due to multiple times of reversing; and the flexible clamp is adopted to be matched with various workpieces for clamping and limiting, and the wide application range is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of side limiting devices, in particular to a side limiting device based on zero point positioning. Background Art

[0002] The zero-point positioning system uses the zero-point positioning pin to make the coordinate systems of different types of products or different processes into a unique coordinate system, and then positions and tightens them through the standardized fixture interface on the machine tool. It can directly obtain the unified position relationship of the workpiece between different machine tools, eliminating the cumulative error between multiple processes. The zero-point locator, as the main component of the zero-point positioning system, can save the auxiliary time of re-aligning the zero point, ensure the continuity of work, and improve work efficiency; at the same time, in the process of machine tool processing, corresponding limit devices, clamping devices, etc. are also required to limit and clamp the corresponding workpiece. However, during the processing process, it is generally necessary to reversing and clamping multiple times to complete the part processing, which will reduce the processing efficiency and accuracy of parts. Utility Model Content

[0003] The utility model mainly provides a side limiting device based on zero-point positioning, which solves the problem that in the prior art, multiple reversing clamping is generally required to complete part processing during the processing process, which will reduce the processing efficiency and precision of parts.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A side limiting device based on zero-point positioning includes a zero-point positioning base, a zero-point positioning shaft is arranged on the zero-point positioning base, a mounting plate is arranged on the upper end of the zero-point positioning shaft, a storage table is arranged on the mounting plate corresponding to the position above the zero-point positioning shaft, and a side limiting mechanism is arranged on the mounting plate corresponding to the four sides of the storage table, and a flexible clamp is detachably connected to the side limiting mechanism. Among them, a plurality of positioning holes for positioning are provided on the storage table. The flexible clamp is also called: flexible tooling clamp, pin-type flexible clamp, which mainly deforms the clamping surface through a plurality of pins to match the workpiece. When in use, the workpiece to be processed is placed on the storage table, and the storage table is installed corresponding to the zero-point positioning shaft, so as to be more accurate; at the same time, the side of the workpiece is clamped and limited by the side limiting devices arranged on the four sides of the storage table in cooperation with the flexible clamp. By adopting the structure of the present application, the workpiece can be effectively clamped and limited by the side limiting devices arranged on the four sides in cooperation with the flexible clamp during processing, avoiding multiple changes in direction to reduce the accuracy; and the flexible clamp can be used to clamp and limit a variety of workpieces, which has a wide range of applications.

[0006] Furthermore, the zero point positioning shaft is threadedly connected to the zero point positioning base, the upper end of the zero point positioning shaft is rotatably connected to the mounting plate, and a guide limiter is provided between the mounting plate and the zero point positioning base. When in use, the zero point positioning shaft can be rotated to drive the mounting plate to move up and down, thereby cooperating with different height processing ranges.

[0007] Furthermore, the side limiting mechanism includes a support frame fixedly connected to the mounting plate, a first servo motor is arranged on the support frame, an output shaft of the first servo motor passes through the inner side of the support frame, and the end of the output shaft is rotatably connected to a connecting plate, a slide bar is slidably connected to the support frame, and the inner end of the slide bar is fixedly connected to the connecting plate; the flexible clamp is detachably connected to the connecting plate. When in use, the output shaft can be driven to rotate by the first servo motor, thereby cooperating with the slide bar to drive the connecting plate to approach or move away from the workpiece, thereby driving the flexible clamp to move.

[0008] Furthermore, the connection plate is provided with a lifting slot, in which a lifting screw is rotatably connected, the upper end of the lifting screw passes through the outside of the connection plate, a connection block is threadedly connected to the lifting screw, and the connection block and the connection plate are slidably connected via a slide rail, and a second servo motor driving the lifting screw to rotate is provided at the upper end of the connection plate; the flexible clamp is detachably connected to the connection block. When in use, the lifting screw can be rotated to drive the connection block to cooperate with the slide rail to move up and down on the connection plate, and the servo motor is used for precise control.

[0009] Furthermore, a ruler is provided on the connecting plate, and a pointer is provided on the connecting block. With this structure, the height to be adjusted can be observed intuitively.

[0010] Beneficial effects: When in use, the workpiece to be processed is placed on the placement table, and the placement table is installed corresponding to the zero-point positioning axis, so that it is more accurate; at the same time, the side of the workpiece is clamped and limited by the side limiting mechanisms set on the four sides of the placement table. With the structure of the present application, the workpiece can be effectively clamped and limited directly through the side limiting mechanisms set on the four sides during processing, avoiding multiple changes in direction to reduce accuracy; and the use of flexible clamps can be used to clamp and limit a variety of workpieces, which has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the oblique two-axis side of the zero-point positioning base of this embodiment;

[0012] Figure 2 It is a top view schematic diagram of the zero point positioning base of this embodiment;

[0013] Figure 3This is a front view schematic diagram of the connection block installed on the connection plate of this embodiment;

[0014] Figure 4 This is a side view schematic diagram of the connection block installed on the connection plate of this embodiment.

[0015] Figure numerals: zero point positioning base 1, zero point positioning shaft 2, mounting plate 3, storage table 4, guide limiter 5, support frame 6, first servo motor 7, connecting plate 8, slide rod 9, lifting screw 10, connecting block 11, slide rail 12, second servo motor 13, ruler 14, pointer 15, flexible clamp 16. DETAILED DESCRIPTION

[0016] The technical solution of a side limiting device based on zero-point positioning involved in the present invention will be further described in detail below in conjunction with an embodiment.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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.

[0018] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a side limiting device based on zero point positioning in this embodiment includes a zero point positioning base 1, a zero point positioning shaft 2 is arranged on the zero point positioning base 1, a mounting plate 3 is arranged on the upper end of the zero point positioning shaft 2, a storage table 4 is arranged on the mounting plate 3 corresponding to the position above the zero point positioning shaft 2, and a side limiting mechanism is arranged on the mounting plate 3 corresponding to the four sides of the storage table 4, and a flexible clamp 16 is detachably connected to the side limiting mechanism. The zero point positioning shaft 2 is threadedly connected to the zero point positioning base 1, the upper end of the zero point positioning shaft 2 is rotatably connected to the mounting plate 3, and a guide limiter 5 is arranged between the mounting plate 3 and the zero point positioning base 1. The side limiting mechanism includes a support frame 6 fixedly connected to the mounting plate 3, a first servo motor 7 is arranged on the support frame 6, the output shaft of the first servo motor 7 penetrates the inner side of the support frame 6, and the end of the output shaft is rotatably connected to a connecting plate 8, a slide bar 9 is slidably connected to the support frame 6, and the inner end of the slide bar 9 is fixedly connected to the connecting plate 8; the flexible clamp 16 is detachably connected to the connecting plate 8. A lifting groove is provided on the connecting plate 8, a lifting screw 10 is rotatably connected in the lifting groove, the upper end of the lifting screw 10 penetrates the outside of the connecting plate 8, a connecting block 11 is threadedly connected to the lifting screw 10, and the connecting block 11 is slidably connected to the connecting plate 8 through a slide rail 12, and a second servo motor 13 is arranged on the upper end of the connecting plate 8 to drive the lifting screw 10 to rotate; the flexible clamp 16 is detachably connected to the connecting block 11. A scale 14 is provided on the connecting plate 8, and a pointer 15 is provided on the connecting block 11. When in use, the workpiece to be processed is placed on the platform 4, and the platform 4 is installed corresponding to the zero-point positioning shaft 2, so that it is more accurate; at the same time, the side limiting devices arranged on the four sides of the platform 4 cooperate with the flexible clamp 16 to clamp and limit the side of the workpiece. With the structure of the present application, the workpiece can be effectively clamped and limited directly by the side limiting devices arranged on the four sides in cooperation with the flexible clamp 16 during processing, avoiding multiple changes in direction to reduce the accuracy; and the flexible clamp 16 can be used to clamp and limit a variety of workpieces, which has a wide range of applications.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A side limiting device based on zero point positioning, characterized in that: It includes a zero point positioning base, a zero point positioning shaft is arranged on the zero point positioning base, a mounting plate is arranged on the upper end of the zero point positioning shaft, a storage table is arranged on the mounting plate corresponding to the position above the zero point positioning shaft, side limiting mechanisms are arranged on the mounting plates corresponding to the four sides of the storage table, and a flexible clamp is detachably connected to the side limiting mechanism.

2. A side limiting device based on zero point positioning according to claim 1, characterized in that: The zero point positioning shaft is threadedly connected to the zero point positioning base, the upper end of the zero point positioning shaft is rotatably connected to the mounting plate, and a guide limiter is arranged between the mounting plate and the zero point positioning base.

3. A side limiting device based on zero-point positioning according to claim 1, characterized in that: The side limiting mechanism includes a support frame fixedly connected to the mounting plate, a first servo motor is arranged on the support frame, an output shaft of the first servo motor passes through the inner side of the support frame, and the end of the output shaft is rotatably connected to a connecting plate, a sliding rod is slidably connected to the support frame, and the inner end of the sliding rod is fixedly connected to the connecting plate; the flexible clamp is detachably connected to the connecting plate.

4. A side limiting device based on zero-point positioning according to claim 3, characterized in that: A lifting groove is provided on the connecting plate, and a lifting screw is rotatably connected in the lifting groove. The upper end of the lifting screw passes through the outside of the connecting plate, and a connecting block is threadedly connected to the lifting screw. The connecting block and the connecting plate are slidably connected via a slide rail, and a second servo motor is provided at the upper end of the connecting plate to drive the lifting screw to rotate; the flexible clamp is detachably connected to the connecting block.

5. A side limiting device based on zero-point positioning according to claim 4, characterized in that: The connecting plate is provided with a ruler, and the connecting block is provided with a pointer.

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