High-precision positioning structure

Abstract

The utility model belongs to the technical field of door and window machining, and particularly relates to a high-precision positioning structure which comprises a machining table and a placing plate, supporting legs are installed at the four corners of the bottom end of the machining table respectively, two rectangular holes are formed in the two ends of the machining table respectively, two limiting holes are formed in the upper end of the placing plate, a positioning mechanism is arranged on the placing plate, and the positioning mechanism is connected with the machining table. Side plates are mounted on the two sides of the bottom end of the placement plate, the bottom ends of the two side plates are jointly connected with a bottom plate, and a mounting mechanism is arranged in the bottom plate; and the positioning mechanism comprises a driving motor mounted at the upper end of the bottom plate. Through the arrangement of the mounting mechanism, the placing plate can be conveniently mounted on the processing table for use, and when the door and window is not processed, the placing plate can be detached, so that other articles can be placed on the processing table for use, and the flexibility is improved; and through the arrangement of the positioning mechanism, the four corners of the workpiece to be machined can be limited and fixed, so that the purpose of high stability is achieved, and the machining precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window processing, in particular to a high-precision positioning structure. Background Art

[0002] Doors and windows are common components of modern buildings, and their frames are usually made of wood and aluminum alloy. At present, during the processing of doors and windows, they usually need to be limited and fixed to ensure processing stability. The fixing devices in the prior art can usually only limit the two sides of the workpiece, and the stability is poor. In addition, the structures such as the splints on the fixing devices make it impossible to place other items on the device when it is not used for processing, which is inconvenient to use. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies of the prior art, the utility model provides a high-precision positioning structure to solve the problems raised in the above-mentioned background technology.

[0005] (2) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A high-precision positioning structure comprises a processing table and a placement plate, wherein the four corners of the bottom end of the processing table are equipped with support legs, two rectangular holes are provided at both ends of the processing table, two limit holes are provided at the upper end of the placement plate, a positioning mechanism is provided on the placement plate, side plates are provided on both sides of the bottom end of the placement plate, the bottom ends of the two side plates are commonly connected to a bottom plate, and a mounting mechanism is provided inside the bottom plate;

[0008] The positioning mechanism includes a driving motor installed on the upper end of the base plate, a driving gear is installed at the output end of the driving motor, limiting blocks are slidably connected in the two limiting holes, abutment plates are installed at the upper ends of the two limiting blocks, racks are installed at the bottom ends of the two limiting blocks, two L-shaped holes are provided at the opposite ends of the two abutment plates, L-shaped blocks are slidably connected in the four L-shaped holes, electric push rods are installed on one side wall of the inner cavity of the four L-shaped holes, the telescopic ends of the four electric push rods are respectively connected to the four L-shaped blocks, and a clamping plate is installed at one end of the four L-shaped blocks.

[0009] Furthermore, the driving gear is meshed with the two racks.

[0010] Furthermore, the mounting mechanism includes two square holes opened in the base plate, short plates are slidably connected in the two square holes, two slide plates are installed at the opposite ends of the two short plates, the slide plates are slidably connected to the base plate, and the ends of the four slide plates are installed with sockets, a handle is commonly connected between the two sockets on the same side, two springs are installed at the opposite ends of the two short plates, and the four springs are connected to the base plate.

[0011] Furthermore, the holder is L-shaped and slides in the rectangular hole.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the present invention provides a high-precision positioning structure with the following features:

[0014] Beneficial effects:

[0015] The utility model, through the setting of the mounting mechanism, makes it easy to install the placement plate on the processing table for use, and when the door and window are not used for processing, the placement plate can be removed so that other items can be placed on the processing table for use, thereby improving flexibility; and through the setting of the positioning mechanism, the four corners of the workpiece to be processed can be limited and fixed, thereby achieving the purpose of high stability and improving processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the processing table of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the positioning mechanism of the utility model;

[0019] Figure 4 It is a structural cross-sectional view of the bottom plate of the utility model.

[0020] In the figure: 1. processing table; 2. supporting leg; 3. placing plate; 4. limiting hole; 5. positioning mechanism; 51. driving motor; 52. driving gear; 53. limiting block; 54. abutment plate; 55. rack; 56. L-shaped hole; 57. L-shaped block; 58. electric push rod; 59. splint; 6. side plate; 7. bottom plate; 8. mounting mechanism; 81. square hole; 82. short plate; 83. slide plate; 84. holder; 85. handle; 86. spring; 9. rectangular hole. DETAILED DESCRIPTION

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

[0022] Example

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a high-precision positioning structure proposed in an embodiment of the utility model comprises a processing table 1 and a placement plate 3, support legs 2 are installed at the four corners of the bottom end of the processing table 1, two rectangular holes 9 are provided at both ends of the processing table 1, and two limiting holes 4 are provided at the upper end of the placement plate 3, and a positioning mechanism 5 is provided on the placement plate 3, and side plates 6 are installed on both sides of the bottom end of the placement plate 3, and the bottom ends of the two side plates 6 are commonly connected to a bottom plate 7, and a mounting mechanism 8 is provided in the bottom plate 7; through the setting of the mounting mechanism 8, it is convenient to install the placement plate 3 on the processing table 1 for use, and when not used for processing doors and windows, the placement plate 3 can be removed, so that other items can be placed on the processing table 1 for use, thereby improving flexibility; and through the setting of the positioning mechanism 5, the four corners of the workpiece to be processed can be limited and fixed, thereby achieving the purpose of high stability and improving processing accuracy;

[0024] The positioning mechanism 5 includes a driving motor 51 installed at the upper end of the bottom plate 7, a driving gear 52 is installed at the output end of the driving motor 51, two limiting holes 4 are slidably connected to the limiting blocks 53, the upper ends of the two limiting blocks 53 are installed with abutment plates 54, the bottom ends of the two limiting blocks 53 are installed with racks 55, the opposite ends of the two abutment plates 54 are provided with two L-shaped holes 56, the four L-shaped holes 56 are slidably connected to the L-shaped blocks 57, the inner side walls of the four L-shaped holes 56 are installed with electric push rods 58, and the four electric push rods 58 are provided with The telescopic ends are respectively connected to four L-shaped blocks 57, and one end of each of the four L-shaped blocks 57 is installed with a clamping plate 59; the driving motor 51 drives the active gear 52 to rotate, drives the rack 55 to slide as the limit block 53 slides in the limit hole 4, drives the abutment plate 54 to move, and the two abutment plates 54 are close to each other to complete the fixation of the left and right sides of the workpiece to be processed, and drives the L-shaped block 57 to slide in the L-shaped hole 56 through the electric push rod 58, drives the clamping plate 59 to move, realizes the abutment and limiting of the front and rear walls of the workpiece to be processed, and realizes positioning.

[0025] like Figure 3 As shown, in some embodiments, the driving gear 52 is meshed with two racks 55 to facilitate adjustment.

[0026] like Figure 4 As shown, in some embodiments, the mounting mechanism 8 includes two square holes 81 opened in the base plate 7, and short plates 82 are slidably connected in the two square holes 81. Two slide plates 83 are installed at the opposite ends of the two short plates 82, and the slide plates 83 are slidably connected to the base plate 7. A clamping seat 84 is installed at the ends of the four slide plates 83, and a handle 85 is commonly connected between the two clamping seats 84 on the same side. Two springs 86 are installed at the opposite ends of the two short plates 82, and the four springs 86 are connected to the base plate 7; by pulling the two handles 85, the clamping seat 84 is driven to slide as the slide plate 83 slides on the base plate 7, thereby driving the short plates 82 to slide in the square holes 81. When the clamping seat 84 is separated from the rectangular hole 9, the base plate 7 is no longer limited at this time, and the separation of the processing table 1 and the placement plate 3 is completed, which is convenient for the separate use of the processing table 1.

[0027] like Figure 4 As shown, in some embodiments, the card seat 84 is L-shaped and slides in the rectangular hole 9, which is convenient for disassembly and assembly.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-precision positioning structure, comprising a processing table (1) and a placement plate (3), characterized in that: Support legs (2) are installed at the four corners of the bottom end of the processing table (1), two rectangular holes (9) are provided at both ends of the processing table (1), two limit holes (4) are provided at the upper end of the placement plate (3), a positioning mechanism (5) is provided on the placement plate (3), side plates (6) are installed on both sides of the bottom end of the placement plate (3), the bottom ends of the two side plates (6) are commonly connected to a bottom plate (7), and a mounting mechanism (8) is provided inside the bottom plate (7); The positioning mechanism (5) comprises a driving motor (51) mounted on the upper end of the bottom plate (7), a driving gear (52) being mounted on the output end of the driving motor (51), a limiting block (53) being slidably connected in the two limiting holes (4), a butt plate (54) being mounted on the upper ends of the two limiting blocks (53), a rack (55) being mounted on the bottom ends of the two limiting blocks (53), two L-shaped holes (56) being provided at the opposite ends of the two butt plates (54), an L-shaped block (57) being slidably connected in the four L-shaped holes (56), an electric push rod (58) being mounted on one side wall of the inner cavity of the four L-shaped holes (56), the telescopic ends of the four electric push rods (58) being respectively connected to the four L-shaped blocks (57), and a clamping plate (59) being mounted on one end of the four L-shaped blocks (57).

2. A high-precision positioning structure according to claim 1, characterized in that: The driving gear (52) and the two racks (55) are meshed with each other.

3. A high-precision positioning structure according to claim 1, characterized in that: The mounting mechanism (8) comprises two square holes (81) provided in the bottom plate (7), short plates (82) being slidably connected in the two square holes (81), two slide plates (83) being installed at opposite ends of the two short plates (82), the slide plates (83) being slidably connected to the bottom plate (7), a holder (84) being installed at the ends of the four slide plates (83), a handle (85) being commonly connected between the two holders (84) on the same side, two springs (86) being installed at opposite ends of the two short plates (82), and the four springs (86) being connected to the bottom plate (7).

4. A high-precision positioning structure according to claim 3, characterized in that: The card seat (84) is L-shaped and slides in the rectangular hole (9).

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