Small platform special for precise positioning

Abstract

The utility model discloses a small platform special for precise positioning. The small platform comprises an X-axis mounting plate, a positioning mounting plate is arranged above the Y-axis mounting plate; x-axis guide sliding rails are fixedly arranged on the front side and the rear side of the top surface of the X-axis mounting plate; y-axis guide sliding rails are fixedly arranged on the left side and the right side of the top surface of the Y-axis mounting plate; and a positioning locking disc is rotationally arranged on the top surface of the positioning mounting plate, and a guide rotating groove is formed in the center of the interior of the positioning locking disc. According to the small platform special for precise positioning, the positioning mounting plate and the positioning locking disc are driven by the X-axis mounting plate and the Y-axis mounting plate to perform fine adjustment movement above the X-axis direction and the Y-axis direction, and a plurality of positioning abutting frames and positioning abutting plates at the top of the positioning locking disc abut against the outer wall of a workpiece to limit and lock the workpiece; and displacement in the subsequent processing and detection process is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece positioning, in particular to a small platform specially used for precise positioning. Background Art

[0002] Workpiece positioning refers to the process of placing the workpiece in the processing position for processing operations. In the machining process, workpiece positioning is a very important step, because correct workpiece positioning can ensure processing accuracy and improve production efficiency;

[0003] Publication No. CN218362555U discloses a workpiece positioning platform for an electric spark forming machine, which can place the workpiece to be processed between two baffles, rotate two handles, and drive the second bevel gear to rotate through the handles, so that the second bevel gear drives the first bevel gear to rotate, and the first bevel gear drives the sleeve to rotate, so that the sleeve cooperates with the first screw and the cross bar to drive the baffle to move, so that the workpiece can be pressed tightly by the two baffles, thereby avoiding the workpiece from being offset when the platform is adjusted horizontally or vertically;

[0004] However, the above-mentioned positioning platform still has the following problems during actual use: although the positioning components on both sides are driven by the set screw to move and then position the workpiece, the positioning components driven by the screw are large in size, and the positioning components driven by the screw rotation have low accuracy, and cannot be effectively adjusted after positioning the workpiece. The workpiece cannot move in the X-axis and Y-axis directions. Similarly, the left and right positioning mechanisms cannot guarantee that the workpiece can be effectively limited, which in turn affects the positioning of the workpiece and subsequent processing.

[0005] So we proposed a small platform dedicated to precision positioning in order to solve the problems raised above. Utility Model Content

[0006] The purpose of the utility model is to provide a small platform dedicated to precision positioning, so as to solve the problem raised in the above-mentioned background technology that although the positioning components on both sides are driven to move by the arranged screw to position the workpiece, the positioning components driven by the screw are relatively large in size, the positioning components driven by the screw rotation have low accuracy, and cannot be effectively adjusted after positioning the workpiece, the workpiece cannot be moved in the X-axis and Y-axis directions, and the positioning mechanism in the left and right directions cannot guarantee that the workpiece can be effectively limited, thereby affecting the positioning of the workpiece and subsequent processing.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small platform dedicated to precision positioning, comprising an X-axis mounting plate, and a Y-axis mounting plate slidably disposed above the X-axis mounting plate;

[0008] A positioning mounting plate is arranged above the Y-axis mounting plate, and a positioning shaft device is fixedly arranged at the center of the top surface of the positioning mounting plate; and further comprising:

[0009] X-axis guide rails are fixedly arranged on both the front and rear sides of the top surface of the X-axis mounting plate, and an X-axis stator is fixedly arranged at the center position of the top surface of the X-axis mounting plate;

[0010] Wherein, Y-axis guide rails are fixedly arranged on both left and right sides of the top surface of the Y-axis mounting plate, and a Y-axis stator is fixedly arranged at the center position of the top surface of the Y-axis mounting plate;

[0011] Among them, a positioning locking disc is rotatably arranged on the top surface of the positioning mounting plate, and a guide groove is opened at the inner center of the positioning locking disc, and the positioning locking disc is sleeved and installed on the outer side of the positioning rotating shaft through the guide groove opened inside;

[0012] Among them, slot-type photoelectric sensors are arranged at the rear and right side of the Y-axis mounting plate, and a hard limit switch is fixedly arranged at the rear of the interior of the Y-axis mounting plate.

[0013] Preferably, a grating reader is fixedly arranged in front of the top surface of the X-axis mounting plate, and X-axis guide sliders are slidably arranged on the left and right sides of the X-axis guide rails on the front and rear sides of the top surface of the X-axis mounting plate, and the top surfaces of the symmetrically arranged X-axis guide sliders are fixedly connected to the bottom surface of the Y-axis mounting plate.

[0014] Preferably, an X-axis mover is fixedly provided at the center position of the bottom surface of the Y-axis mounting plate, and the X-axis mover and the X-axis stator on the top surface of the X-axis mounting plate are distributed corresponding to each other, and the X-axis mover and the X-axis stator are energized to drive the Y-axis mounting plate to move in the left and right directions.

[0015] Preferably, Y-axis guide sliders are slidably arranged on the front and rear sides of the Y-axis guide rails on the left and right sides of the top surface of the Y-axis mounting plate, and the top surfaces of the symmetrically arranged Y-axis guide sliders are fixedly connected to the bottom surface of the positioning mounting plate, and a Y-axis mover is fixedly arranged in the middle of the bottom surface of the positioning mounting plate, and the Y-axis mover and the Y-axis stator are energized to drive the positioning mounting plate to move in the forward and backward directions.

[0016] Preferably, a main conical gear ring is rotatably arranged inside the positioning locking plate via a bearing, and a secondary conical gear ring is rotatably arranged at equal angles on the positioning locking plate via a torsion spring, and the secondary conical gear ring arranged at equal angles is meshed and connected with the main conical gear ring, and a guide threaded rod is fixedly arranged inside the secondary conical gear ring arranged at equal angles.

[0017] Preferably, a positioning interference frame is slidably arranged at equal angles inside the positioning locking disk, and the bottom end of the positioning interference frame arranged at equal angles is threadedly connected to the outer wall of the guide threaded rod, and the top end of the positioning interference frame is slidably penetrated and arranged outside the top surface of the positioning locking disk, and the top end of the positioning interference frame arranged at equal angles is fixedly provided with a positioning interference plate.

[0018] Preferably, driving tooth blocks are fixedly arranged at equal distances on the inner wall of the main conical gear ring inside the positioning locking disk, and a driving gear is rotatably arranged at the inner rear of the positioning locking disk through a bearing, and the main conical gear ring is meshed and connected with the driving gear through the driving tooth blocks on the inner wall, and the positioning contact frame and the positioning contact plate inside the positioning locking disk are driven to expand outwardly through the driving gear.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the small platform dedicated to precision positioning drives the positioning mounting plate and the positioning locking plate through the X-axis mounting plate and the Y-axis mounting plate to perform fine adjustment movement in the upper direction of the X-axis and Y-axis directions, and the multiple positioning abutment frames and the positioning abutment plate on the top of the positioning locking plate abut against the outer wall of the workpiece to limit and lock it, thereby preventing displacement during subsequent processing and testing. The specific contents are as follows:

[0020] 1. Through the guidance of the X-axis guide rail and the Y-axis guide rail, the Y-axis mounting plate and the positioning mounting plate reach effective limit during the movement in the left and right directions and the front and back directions, and after the X-axis stator and the X-axis mover, the Y-axis mover and the Y-axis stator are energized, the workpiece can be driven to perform fine-tuning movement upward in the X-axis and Y-axis directions during positioning;

[0021] 2. The rotation of the conical gear ring and the auxiliary conical gear ring arranged inside the positioning locking disk drives the guide threaded rod and the threaded positioning abutment frame and the positioning abutment plate to slide outward, and then move in the opposite direction again to abut against the outer wall of the workpiece to limit and lock it, thereby preventing displacement during subsequent processing and inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall explosion structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the X-axis mounting plate and the Y-axis mounting plate of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the positioning locking disk of the utility model;

[0026] Figure 5This is a schematic diagram of the installation structure of the positioning and resistance frame of the utility model;

[0027] Figure 6 This is a schematic diagram of the installation structure of the main conical gear ring of the utility model.

[0028] In the figure: 1. X-axis mounting plate; 2. Y-axis mounting plate; 3. Positioning mounting plate; 4. Positioning shaft device; 5. X-axis guide rail; 6. X-axis stator; 7. Y-axis guide rail; 8. Y-axis stator; 9. Positioning locking plate; 10. Guide rotating groove; 11. Grating reader; 12. X-axis guide slider; 13. X-axis mover; 14. Y-axis guide slider; 15. Y-axis mover; 16. Main conical gear ring; 17. Secondary conical gear ring; 18. Guide threaded rod; 19. Positioning contact frame; 20. Positioning contact plate; 21. Slot-type photoelectric sensor; 22. Hard limit switch; 23. Drive gear block; 24. Drive gear. DETAILED DESCRIPTION

[0029] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0030] See also Figure 1-Figure 6 , the utility model provides the following technical solutions:

[0031] Embodiment 1: In order to solve the problem that the existing positioning mechanism cannot move in the X-axis and Y-axis directions after positioning, this embodiment adopts the following technical scheme, through the guidance of the X-axis guide rail 5 and the Y-axis guide rail 7, so that the Y-axis mounting plate 2 and the positioning mounting plate 3 reach effective limit during the movement in the left-right direction and the front-back direction, and after the X-axis stator 6 and the X-axis mover 13, the Y-axis mover 15 and the Y-axis stator 8 are energized, the workpiece can be driven to perform fine adjustment movement upward in the X-axis and Y-axis directions during positioning;

[0032] A small platform dedicated to precision positioning, comprising an X-axis mounting plate 1, and a Y-axis mounting plate 2 slidably arranged above the X-axis mounting plate 1; a positioning mounting plate 3 is arranged above the Y-axis mounting plate 2, and a positioning shaft device 4 is fixedly arranged at the center position of the top surface of the positioning mounting plate 3;

[0033] X-axis guide rails 5 are fixedly arranged on both the front and rear sides of the top surface of the X-axis mounting plate 1, and an X-axis stator 6 is fixedly arranged at the center position of the top surface of the X-axis mounting plate 1; wherein, Y-axis guide rails 7 are fixedly arranged on both the left and right sides of the top surface of the Y-axis mounting plate 2, and a Y-axis stator 8 is fixedly arranged at the center position of the top surface of the Y-axis mounting plate 2; wherein, slot-type photoelectric sensors 21 are arranged at the rear and right side of the Y-axis mounting plate 2, and a hard limit switch 22 is fixedly arranged at the rear of the interior of the Y-axis mounting plate 2;

[0034] A grating reader 11 is fixedly arranged in front of the top surface of the X-axis mounting plate 1, and X-axis guide sliders 12 are slidably arranged on the left and right sides of the X-axis guide rails 5 on both sides of the top surface of the X-axis mounting plate 1, and the top surfaces of the symmetrically arranged X-axis guide sliders 12 are fixedly connected to the bottom surface of the Y-axis mounting plate 2;

[0035] An X-axis mover 13 is fixedly arranged at the center of the bottom surface of the Y-axis mounting plate 2, and the X-axis mover 13 and the X-axis stator 6 on the top surface of the X-axis mounting plate 1 are distributed correspondingly to each other, and the X-axis mover 13 and the X-axis stator 6 are energized to drive the Y-axis mounting plate 2 to move in the left and right directions;

[0036] Y-axis guide sliders 14 are slidably arranged on the front and rear sides of the Y-axis guide rails 7 on the left and right sides of the top surface of the Y-axis mounting plate 2, and the top surfaces of the symmetrically arranged Y-axis guide sliders 14 are fixedly connected to the bottom surface of the positioning mounting plate 3, and a Y-axis mover 15 is fixedly arranged in the middle of the bottom surface of the positioning mounting plate 3, and the Y-axis mover 15 and the Y-axis stator 8 are energized to drive the positioning mounting plate 3 to move in the front and rear directions;

[0037] like Figure 2-Figure 3 As shown, first, when the position of the positioning mounting plate 3 in the X-axis direction needs to be adjusted, the X-axis guide rails 5 arranged on the front and rear sides of the top surface of the X-axis mounting plate 1 are limited for the movement of the X-axis guide slider 12, and the X-axis guide slider 12 is connected to the bottom surface of the Y-axis mounting plate 2, and then the X-axis stator 6 and the X-axis mover 13 arranged in the middle of the top surface of the X-axis mounting plate 1 are energized, so that the Y-axis mounting plate 2 is driven to move in the left and right directions through the X-axis mover 13, and the grating reader 11 arranged inside the X-axis mounting plate 1 reads the moving distance of the Y-axis mounting plate 2;

[0038] Furthermore, when it is necessary to adjust the position of the positioning mounting plate 3 in the Y-axis direction, the Y-axis guide rails 7 arranged on the left and right sides of the top surface of the Y-axis mounting plate 2 are used to limit the movement of the Y-axis guide slider 14, and the Y-axis guide slider 14 is fixedly connected to the bottom surface of the positioning mounting plate 3, and then the Y-axis stator 8 and the Y-axis mover 15 are energized so that the positioning mounting plate 3 can be driven by the Y-axis stator 8 and the Y-axis mover 15 to move in the forward and backward directions, thereby being able to drive the workpiece to perform fine-tuning movements upward in the X-axis and Y-axis directions during positioning.

[0039] Embodiment 2: In order to solve the problem that the existing positioning mechanism is difficult to effectively limit the workpiece in multiple directions, this embodiment adopts the following technical solution, through the rotation of the main conical gear ring 16 and the auxiliary conical gear ring 17 arranged inside the positioning locking plate 9, the guide threaded rod 18 and the threaded positioning contact frame 19 and the positioning contact plate 20 are driven to slide outward, and then move in the opposite direction again to contact the outer wall of the workpiece to limit and lock it, so as to prevent displacement during subsequent processing and detection;

[0040] Among them, a positioning locking plate 9 is rotatably provided on the top surface of the positioning mounting plate 3, and a guide rotation groove 10 is opened at the inner center position of the positioning locking plate 9, and the positioning locking plate 9 is sleeved and installed on the outer side of the positioning rotating shaft 4 through the guide rotation groove 10 opened inside; a main conical gear ring 16 is rotatably provided inside the positioning locking plate 9 through a bearing, and a secondary conical gear ring 17 is rotatably provided on the positioning locking plate 9 through a torsion spring at equal angles, and the secondary conical gear ring 17 arranged at equal angles is meshed and connected with the main conical gear ring 16, and a guide threaded rod 18 is fixedly provided inside the secondary conical gear ring 17 arranged at equal angles;

[0041] The interior of the positioning locking plate 9 is slidably provided with a positioning conflict frame 19 at an equal angle, and the bottom end of the positioning conflict frame 19 arranged at an equal angle is threadedly connected to the outer wall of the guide threaded rod 18, and the top end of the positioning conflict frame 19 is slidably penetrated and arranged outside the top surface of the positioning locking plate 9, and the top end of the positioning conflict frame 19 arranged at an equal angle is fixedly provided with a positioning conflict plate 20;

[0042] The inner wall of the main conical gear ring 16 inside the positioning locking plate 9 is fixedly provided with driving gear blocks 23 at equal distances, and the rear of the positioning locking plate 9 is rotatably provided with a driving gear 24 through a bearing, and the main conical gear ring 16 is meshed and connected with the driving gear 24 through the driving gear block 23 on the inner wall, and the positioning abutment frame 19 and the positioning abutment plate 20 inside the positioning locking plate 9 are driven to expand outwards through the driving gear 24;

[0043] like Figure 4-Figure 6As shown, when the workpiece needs to be positioned, the driving gear 24 arranged inside the positioning locking plate 9 is manually rotated, so that in the process of engaging the driving gear block 23, the main conical gear ring 16 arranged inside the positioning locking plate 9 is driven to rotate in the opposite direction, and then the auxiliary conical gear ring 17 and the guide threaded rod 18 arranged at the same angle are driven by the main conical gear ring 16 to rotate, so that the guide threaded rod 18 drives the positioning contact frame 19 and the positioning contact plate 20 connected with the outer wall thread to expand synchronously outward, so as to be adjusted to a range exceeding the workpiece for adaptation;

[0044] Furthermore, the workpiece is placed at the center position of the top surface of the positioning locking disk 9, and the driving gear 24 in the above step is manually loosened so that it no longer rotates relative to the driving tooth block 23 and the main conical gear ring 16, and then the secondary conical gear ring 17 connected by the torsion spring drives the guide threaded rod 18 to rotate in the opposite direction, and then drives the threadedly connected positioning contact frame 19 and the positioning contact plate 20 to slide inward again, and then contacts the outer wall of the workpiece to limit and lock it, thereby preventing displacement during subsequent processing and inspection.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A small platform specially used for precision positioning, comprising an X-axis mounting plate (1), and a Y-axis mounting plate (2) slidably arranged above the X-axis mounting plate (1); A positioning mounting plate (3) is arranged above the Y-axis mounting plate (2), and a positioning shaft device (4) is fixedly arranged at the center position of the top surface of the positioning mounting plate (3); It is characterized in that Also includes: X-axis guide rails (5) are fixedly arranged on both the front and rear sides of the top surface of the X-axis mounting plate (1), and an X-axis stator (6) is fixedly arranged at the center position of the top surface of the X-axis mounting plate (1); Wherein, Y-axis guide rails (7) are fixedly arranged on both left and right sides of the top surface of the Y-axis mounting plate (2), and a Y-axis stator (8) is fixedly arranged at the center position of the top surface of the Y-axis mounting plate (2); A positioning locking plate (9) is rotatably provided on the top surface of the positioning mounting plate (3), a guide groove (10) is provided at the inner center of the positioning locking plate (9), and the positioning locking plate (9) is sleeved and installed on the outer side of the positioning rotating shaft (4) through the guide groove (10) provided inside. A slot-type photoelectric sensor (21) is provided at the rear and right side of the Y-axis mounting plate (2), and a hard limit switch (22) is fixedly provided at the rear of the interior of the Y-axis mounting plate (2).

2. A small platform dedicated to precision positioning according to claim 1, characterized in that: A grating reader (11) is fixedly arranged in front of the top surface of the X-axis mounting plate (1), and X-axis guide slide blocks (12) are slidably arranged on the left and right sides of the X-axis guide rails (5) on the front and rear sides of the top surface of the X-axis mounting plate (1), and the top surfaces of the symmetrically arranged X-axis guide slide blocks (12) are fixedly connected to the bottom surface of the Y-axis mounting plate (2).

3. A small platform dedicated to precision positioning according to claim 1, characterized in that: An X-axis mover (13) is fixedly arranged at the center position of the bottom surface of the Y-axis mounting plate (2), and the X-axis mover (13) and the X-axis stator (6) on the top surface of the X-axis mounting plate (1) are arranged correspondingly to each other, and the X-axis mover (13) and the X-axis stator (6) are energized to drive the Y-axis mounting plate (2) to move in the left-right direction.

4. A small platform dedicated to precision positioning according to claim 3, characterized in that: Y-axis guide sliders (14) are slidably arranged on the front and rear sides of the Y-axis guide rails (7) on the left and right sides of the top surface of the Y-axis mounting plate (2), and the top surfaces of the symmetrically arranged Y-axis guide sliders (14) are fixedly connected to the bottom surface of the positioning mounting plate (3), and a Y-axis mover (15) is fixedly arranged in the middle of the bottom surface of the positioning mounting plate (3), and the Y-axis mover (15) and the Y-axis stator (8) are energized to drive the positioning mounting plate (3) to move in the front-rear direction.

5. A small platform dedicated to precision positioning according to claim 1, characterized in that: A main conical gear ring (16) is rotatably arranged inside the positioning locking plate (9) via a bearing, and a secondary conical gear ring (17) is rotatably arranged on the positioning locking plate (9) via a torsion spring, and the secondary conical gear ring (17) and the main conical gear ring (16) are meshed and connected with each other, and a guide threaded rod (18) is fixedly arranged inside the secondary conical gear ring (17) at an equal angle.

6. A small platform dedicated to precision positioning according to claim 5, characterized in that: A positioning abutment frame (19) is slidably arranged at equal angles inside the positioning locking disk (9), and the bottom end of the positioning abutment frame (19) arranged at equal angles is threadedly connected to the outer wall of the guide threaded rod (18), and the top end of the positioning abutment frame (19) is slidably penetrated and arranged outside the top surface of the positioning locking disk (9), and the top end of the positioning abutment frame (19) arranged at equal angles is fixedly arranged with a positioning abutment plate (20).

7. A small platform dedicated to precision positioning according to claim 5, characterized in that: The inner wall of the main conical gear ring (16) inside the positioning locking disk (9) is fixedly provided with driving gear blocks (23) at equal distances, and a driving gear (24) is rotatably provided at the rear of the positioning locking disk (9) via a bearing, and the main conical gear ring (16) is meshedly connected with the driving gear (24) via the driving gear block (23) on the inner wall, and the positioning abutment frame (19) and the positioning abutment plate (20) inside the positioning locking disk (9) are driven to expand outwards via the driving gear (24).

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