Positioning device for lathe machining of upper cover of optical coherence detector

Abstract

The utility model discloses a positioning device for machining an upper cover of an optical coherence detector by a lathe, which comprises a tool table arranged on a connecting base, a guide sliding seat I is fixedly arranged on the front end face of the connecting base, a sliding seat A capable of sliding horizontally is connected onto the guide sliding seat I in a sliding manner, a sliding seat B capable of sliding vertically is connected onto the front end face of the sliding seat A in a sliding manner, and a sliding seat B capable of sliding vertically is arranged on the front end face of the sliding seat B in a sliding manner. A first lead screw driving mechanism capable of driving the sliding seat A to slide horizontally is arranged on the connecting base, and a second lead screw driving mechanism capable of driving the sliding seat B to slide vertically is further arranged on the connecting base; the tool table is fixed on the front end surface of the sliding seat B; the top face of the tool table is a positioning face, the positioning face is of an inclined face structure with the front end low and the rear end high, a T-shaped through groove is formed in the positioning face in the vertical direction, and a counter-pull bolt is arranged in the T-shaped through groove. The fixture has the advantages of high positioning efficiency, high positioning precision, stable and convenient clamping, convenient alignment during machining, high-precision adjustment of the machining position, improvement of the production efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of processing tooling, in particular to a positioning device for processing an upper cover of an optical coherence detector on a lathe. Background Art

[0002] The main function of optical coherence detector is to extract and restore the information in the optical signal. By comparing the phase and amplitude difference between the signal light and the local oscillator light, the optical coherence detector can achieve accurate measurement and analysis of the optical signal. Optical coherence detector is widely used in many fields; such as Figure 1 The structure of the optical coherence detector upper cover 800 shown in the figure is an annular structure. The top and bottom surfaces of the optical coherence detector upper cover 800 are both inclined surfaces. The bottom end of the optical coherence detector upper cover 800 is provided with a shaft shoulder 802, and the bottom surface of the optical coherence detector upper cover 800 is provided with a threaded hole 803. Functional holes 801 are provided along the radial direction of the circumferential side wall of the optical coherence detector upper cover 800. When the functional holes 801 of the optical coherence detector upper cover 800 are processed on a lathe, a positioning device is required to position and fix it. The existing optical coherence detector upper cover is mostly positioned by clamping it with a clamping tool, and then adjusting the inclination angle of the clamping tool to process the functional hole on the optical coherence detector upper cover. There are problems such as low positioning efficiency, poor positioning accuracy, unstable clamping, and low production efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a positioning device for lathe processing the upper cover of the optical coherence detector. The positioning efficiency is high, the positioning accuracy is high, the clamping is stable and convenient, the alignment is convenient when processing the upper cover of the optical coherence detector, and the processing position is automatically adjusted with high precision, thereby improving production efficiency and effectively solving the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for lathe processing the upper cover of an optical coherence detector, comprising a workbench provided on a connecting base, a guide slide 1 being fixedly provided on the front end surface of the connecting base, a slide A that can slide horizontally is slidably connected to the guide slide 1, a slide B that can slide vertically is slidably connected to the front end surface of the slide A, a first screw drive mechanism that can drive the slide A to slide horizontally is provided on the connecting base, and a second screw drive mechanism that can drive the slide B to slide vertically is also provided on the connecting base; the workbench is fixed on the front end surface of the slide B; the top surface of the workbench is a positioning surface, and the positioning surface is an inclined surface structure with a low front end and a high rear end, a T-shaped through slot is opened in the vertical direction on the positioning surface, and a counter-pull bolt is provided in the T-shaped through slot.

[0005] Furthermore, the positioning surface is provided with a step groove along its inclined direction, and a plurality of positioning pin holes are also provided on the positioning surface.

[0006] Furthermore, the first screw drive mechanism includes a drive motor 1 and a screw connecting seat 1 fixedly provided on the front end surface of the connecting base, the drive motor 1 and the screw connecting seat 1 are respectively located on the left and right sides of the slide A, a transmission screw 1 is rotatably connected between the rotating shaft of the drive motor 1 and the screw connecting seat 1, and the transmission screw 1 is threadedly slidably connected to the slide A; a transverse slider A is provided on the back side of the slide A, and a linear slide groove 1 that is compatible with the transverse slider A is horizontally opened on the front end surface of the guide slide 1.

[0007] Furthermore, the second screw drive mechanism includes a guide slide 2 fixedly provided on the upper and lower ends of the front end surface of the connection base, the guide slide 2 at the upper end is slidably connected to a horizontally movable drive motor 2, and the guide slide 2 at the lower end is slidably connected to a horizontally movable screw connection seat 2, the drive motor 2 and the screw connection seat 2 are respectively located above and below the slide B, a transmission screw 2 is rotatably connected between the rotating shaft of the drive motor 2 and the screw connection seat 2, and the transmission screw 2 is threadedly slidably connected to the slide B; the rear end face of the slide B is provided with a vertical slider, and the front end face of the slide A is vertically opened with a linear slide groove 2 that is compatible with the vertical slider.

[0008] Furthermore, a plurality of connecting bolts are provided on the connecting base, and a centering shaft is provided at the center of the connecting base along its axial direction.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the positioning device for processing the upper cover of the optical coherence detector on the lathe quickly positions the upper cover of the optical coherence detector through the positioning surface, step groove and positioning pin hole provided on the workbench, and reversely pulls and fixes the upper cover of the optical coherence detector through the reverse pull bolt and the T-shaped through slot. The positioning efficiency of the upper cover of the optical coherence detector is high, the positioning accuracy is high, the clamping is stable and convenient, and the center line of the functional hole is ensured to be set horizontally; the position of the upper cover of the optical coherence detector and the functional hole in the horizontal direction is adjusted with high precision through the first screw drive mechanism, and the position of the upper cover of the optical coherence detector and the functional hole in the horizontal and vertical directions is adjusted with high precision through the second screw drive mechanism; it is convenient to align when processing the upper cover of the optical coherence detector, and the processing position is automatically adjusted with high precision, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the existing optical coherence detector cover structure;

[0011] Figure 2 This is a schematic structural diagram of the positioning device of the utility model;

[0012] Figure 3 This is a front view of the positioning device of the utility model;

[0013] Figure 4 This is a schematic diagram of the sliding connection between slide A and slide B of the utility model;

[0014] Figure 5 This is a schematic diagram of the back structure of the connection base of the utility model;

[0015] Figure 6 This is a schematic diagram of the structure of the tooling table of the utility model.

[0016] In the figure: 1. Connecting base; 2. Guide slide 1; 3. Slide A; 31. Horizontal slide A; 4. Slide B; 41. Vertical slide; 5. First screw drive mechanism; 51. Drive motor 1; 52. Transmission screw 1; 53. Screw connecting seat 1; 6. Second screw drive mechanism; 61. Drive motor 2; 62. Transmission screw 2; 63. Screw connecting seat 2; 64. Guide slide 2; 7. Workbench; 71. Positioning surface; 72. T-shaped through slot; 73. Step slot; 74. Back-pull bolt; 75. Positioning pin hole; 8. Connecting bolt; 9. Centering shaft; 800. Optical coherence detector cover; 801. Functional hole; 802. Shoulder; 803. Threaded hole. DETAILED DESCRIPTION

[0017] 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. Example

[0018] See also Figure 2-6 The utility model provides a technical solution: a positioning device for lathe processing an optical coherence detector cover, comprising a workbench 7 provided on a connecting base 1, a guide slide 2 fixedly provided on the front end surface of the connecting base 1, a slide A3 capable of horizontal sliding being slidably connected to the guide slide 2, a slide B4 capable of vertical sliding being slidably connected to the front end surface of the slide A3, a first screw drive mechanism 5 capable of driving the slide A3 to slide horizontally being provided on the connecting base 1; a second screw drive mechanism 6 capable of driving the slide B4 to slide vertically being provided on the connecting base 1;

[0019] The first screw drive mechanism 5 includes a drive motor 51 and a screw connection seat 53 fixedly provided on the front end surface of the connection base 1. The drive motor 51 and the screw connection seat 53 are respectively located on the left and right sides of the slide A3. A transmission screw 52 is rotatably connected between the rotating shaft of the drive motor 51 and the screw connection seat 53, and the transmission screw 52 is threadedly slidably connected to the slide A3. A transverse slider A31 is provided on the back of the slide A3, and a linear slide groove 1 adapted to the transverse slider A31 is horizontally opened on the front end surface of the guide slide 2. The guide slide 2 is used to improve the stability of the slide A3 during horizontal sliding.

[0020] The second screw drive mechanism 6 includes a guide slide 2 64 fixedly provided at the upper and lower ends of the front end surface of the connection base 1, the upper guide slide 2 64 is slidably connected to a horizontally movable drive motor 2 61, and the lower guide slide 2 64 is slidably connected to a horizontally movable screw connection seat 2 63, the drive motor 2 61 and the screw connection seat 2 63 are respectively located above and below the slide B4, and a transmission screw 2 62 is rotatably connected between the rotating shaft of the drive motor 2 61 and the screw connection seat 2 63, and the transmission screw 2 62 is threadedly slidably connected to the slide B4; the rear end surface of the slide B4 is provided with a vertical slider 41, and the front end surface of the slide A3 is vertically provided with a linear slide groove 2 adapted to the vertical slider 41, the guide slide 2 64 is used to improve the stability of the second screw transmission mechanism 6 and the slide B4 during horizontal sliding, and the linear slide groove 2 provided on the slide A3 is used to improve the stability of the slide B4 during vertical sliding;

[0021] The tooling table 7 is fixed on the front end surface of the slide B4; the top surface of the tooling table 7 is a positioning surface 71, and the positioning surface 71 is an inclined structure with a low front end and a high rear end. A T-shaped through slot 72 is provided on the positioning surface 71 in the vertical direction, and a counter-pull bolt 74 is provided in the T-shaped through slot 72; the positioning surface 71 is provided with a step groove 73 along its inclined direction, and a plurality of positioning pin holes 75 are also provided on the positioning surface 71.

[0022] The connecting base 1 is provided with a plurality of connecting bolts 8 , and a centering shaft 9 is provided at the center of the connecting base 1 along its axial direction.

[0023] Working principle:

[0024] The positioning device is fixedly connected to the tailstock of the machine tool by the connecting bolts 8 provided on the connecting base 1, and is positioned and matched with the hole groove of the tailstock of the machine tool through the centering shaft 9; the optical coherence detector upper cover 800 is placed on the positioning surface 71 of the workbench 7, and the shaft shoulder 802 of the optical coherence detector upper cover 800 is matched with the step surface of the step groove 73, so that the center line of the functional hole 801 is set horizontally, and a number of positioning pins are passed through the threaded hole 803 and the positioning pin hole 75 of a part of the optical coherence detector upper cover 800 to position it, and then the reverse pull bolt 74 is passed through the T-shaped through slot 72 and the threaded hole 803 of the other part of the coherence detector upper cover 800 for threaded connection , and tighten the back-pull bolt 74 to fix the optical coherence detector cover 800 on the workbench 7; drive the transmission screw 1 52 to rotate by the driving motor 1 51, so that the slide A3 drives the slide B4 and the workbench 7 to move in the horizontal direction, thereby adjusting the horizontal position of the optical coherence detector cover 800 and the functional hole 801; drive the transmission screw 2 62 to rotate by the driving motor 2 61, so that the slide B4 drives the workbench 7 to move in the vertical direction, thereby adjusting the vertical position of the optical coherence detector cover 800 and the functional hole 801; it is convenient to align when processing the optical coherence detector cover 800, and the processing position is automatically adjusted with high precision, thereby improving production efficiency.

[0025] The positioning device for lathe machining an optical coherence detector cover disclosed in this embodiment quickly positions the optical coherence detector cover 800 through the positioning surface 71, the step groove 73, and the positioning pin hole 75 provided on the workbench 7, and reversely pulls and fixes the optical coherence detector cover 800 through the reverse pull bolt 74 and the T-shaped through slot 72. The optical coherence detector cover 800 has high positioning efficiency and high positioning accuracy, and is stable and convenient to clamp, ensuring that the center line of the functional hole 801 is set horizontally. The first screw drive mechanism 5 adjusts the horizontal position of the optical coherence detector cover 800 and the functional hole 801 with high precision, and the second screw drive mechanism 6 adjusts the horizontal and vertical positions of the optical coherence detector cover 800 and the functional hole 801 with high precision. Alignment is convenient when machining the optical coherence detector cover 800, and the machining position is automatically adjusted with high precision, thereby improving production efficiency.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for lathe machining an optical coherence detector cover, comprising a tooling table provided on a connection base, characterized in that: A guide slide 1 is fixedly provided on the front end face of the connecting base, and a slide A that can slide horizontally is slidably connected to the guide slide 1, and a slide B that can slide vertically is slidably connected to the front end face of the slide A. A first screw drive mechanism that can drive the slide A to slide horizontally is provided on the connecting base, and a second screw drive mechanism that can drive the slide B to slide vertically is also provided on the connecting base; the workbench is fixed on the front end face of the slide B; the top surface of the workbench is a positioning surface, and the positioning surface is an inclined structure with a low front end and a high rear end, and a T-shaped through slot is opened in the vertical direction on the positioning surface, and a counter-pull bolt is provided in the T-shaped through slot.

2. The positioning device for lathe-machined optical coherence detector cover according to claim 1, characterized in that: The positioning surface is provided with a step groove along its inclined direction, and a plurality of positioning pin holes are also provided on the positioning surface.

3. The positioning device for lathe-machined optical coherence detector cover according to claim 1, characterized in that: The first screw drive mechanism includes a drive motor 1 and a screw connecting seat 1 fixedly provided on the front end surface of the connecting base. The drive motor 1 and the screw connecting seat 1 are respectively located on the left and right sides of the slide A. A transmission screw 1 is rotatably connected between the rotating shaft of the drive motor 1 and the screw connecting seat 1, and the transmission screw 1 is threadedly slidably connected to the slide A; a transverse slider A is provided on the back side of the slide A, and a linear slide groove 1 adapted to the transverse slider A is horizontally opened on the front end surface of the guide slide 1.

4. The positioning device for lathe-machined optical coherence detector cover according to claim 1, characterized in that: The second screw drive mechanism includes a guide slide 2 fixedly provided on the upper and lower ends of the front end surface of the connection base, the guide slide 2 at the upper end is slidably connected to a horizontally movable drive motor 2, and the guide slide 2 at the lower end is slidably connected to a horizontally movable screw connection seat 2, the drive motor 2 and the screw connection seat 2 are respectively located above and below the slide B, a transmission screw 2 is rotatably connected between the rotating shaft of the drive motor 2 and the screw connection seat 2, and the transmission screw 2 is threadedly slidably connected to the slide B; the rear end face of the slide B is provided with a vertical slider, and the front end face of the slide A is vertically opened with a linear slide groove 2 that is compatible with the vertical slider.

5. The positioning device for lathe machining an optical coherence detector cover according to claim 1, characterized in that: A plurality of connecting bolts are provided on the connecting base, and a centering shaft is provided at the center of the connecting base along the axial direction thereof.

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