CN221159383U - Adjustable positioning table - Google Patents

Abstract

The utility model relates to the technical field of machining and discloses an adjustable positioning table, which comprises a sliding rail mechanism, wherein a positioning mechanism is sleeved at the front side position of the upper end face of the sliding rail mechanism in a sliding manner, the positioning mechanism comprises a positioning annular seat, a worm wheel is rotatably arranged in the positioning annular seat, a connecting rod is embedded in the positioning annular seat at the position close to the upper end, a worm is fixedly sleeved at one end of the connecting rod close to the worm wheel, the worm is in meshed connection with the worm wheel, and a plurality of arc-shaped top blocks are hinged at the edge position of the inner side of the worm wheel at equal intervals. According to the utility model, the positioning table can be adjusted according to the size of the processing component, the round component is clamped in multiple directions and angles through the arc-shaped jacking blocks, the clamping is more stable, and meanwhile, the pressure of the contact position is relatively reduced by increasing the number of the contact position, so that the trace on the surface of the clamping component is lightened.

Description

Adjustable positioning table

Technical Field

The utility model relates to the technical field of mechanical processing, in particular to an adjustable positioning table.

Background technique

A positioning table for machining is a device used to hold and position a workpiece. It usually consists of a flat surface and some adjustable fixtures or clamps to hold the workpiece in a specific position and angle. The positioning table can adjust the position and angle of the workpiece by means of screws, slides or pneumatic devices for precise machining operations. Positioning tables are widely used in machining, assembly, testing, measurement and other fields.

A general positioning table uses a clamp to clamp the component during mechanical processing, but traditional clamps mostly clamp the processed component by applying pressure from two or three different directions. When clamping and positioning a circular component, since the surface of the circular component is an arc, the clamp directly contacts the apex of the arc, the contact area between the component and the clamp is small, and the pressure is high. In order to ensure the stability of the clamping and positioning, the clamping and positioning force cannot be reduced. Therefore, the clamping and positioning process will produce more obvious clamping marks on the surface of the processed workpiece.

Therefore, those skilled in the art provide an adjustable positioning platform to solve the problems raised in the above background technology.

Utility Model Content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an adjustable positioning table, which can be adjusted according to the size of the processed component, and the circular component can be clamped in multiple directions and angles through multiple arc-shaped top blocks. The clamping is more stable, and the pressure at the contact positions is relatively reduced by increasing the number of contact positions, thereby reducing the marks on the surface of the clamped component.

In order to achieve the above purpose, the utility model provides the following technical solutions:

An adjustable positioning table comprises a slide rail mechanism, a positioning mechanism is provided on a sliding sleeve at a front side position of an upper end face of the slide rail mechanism, the positioning mechanism comprises a positioning annular seat, a worm wheel is rotatably provided inside the positioning annular seat, a connecting rod is embedded in the upper end position of the positioning annular seat, a worm is fixedly provided on the connecting rod near one end of the worm wheel, the worm is meshingly connected with the worm wheel, a plurality of arc-shaped top blocks are hingedly provided at equal intervals at the inner edge of the worm wheel, a plurality of strip grooves are penetrated at the middle positions of the plurality of arc-shaped top blocks, a plurality of limiting rods are fixedly provided near the strip grooves inside the positioning annular seat, a plurality of limiting rods are movably provided inside the strip grooves, and the ends of the plurality of arc-shaped top blocks are connected to the outside of the positioning annular seat;

Through the above technical scheme, the positioning mechanism adjusts its position by sliding on the slide rail mechanism, and the connecting rod of the rotating positioning mechanism drives the worm to rotate through the connecting rod, so that the worm wheel meshing with it rotates, and drives multiple arc-shaped top blocks hingedly arranged on the inner side of the worm wheel to rotate. A strip groove is opened through the middle position of the arc-shaped top block, and a limiting rod movably arranged inside the strip groove limits the movement of the arc-shaped top block. As the worm wheel rotates, multiple arc-shaped top blocks extend from the inner side of the positioning annular seat to clamp the circular component in multiple directions and angles. While the clamping is more stable, the pressure at the contact position is relatively reduced by increasing the number of contact positions, thereby reducing the marks on the surface of the clamping component.

Furthermore, a fixed seat is fixedly provided at the middle position of the lower end surface of the positioning annular seat, a sliding sleeve seat is fixedly provided at the lower end surface of the fixed seat, and the sliding sleeve seat is slidably sleeved in the middle of the slide rail mechanism;

Through the above technical solution, the fixing seat fixes the positioning annular seat, and the positioning annular seat moves laterally in the middle of the slide rail mechanism through the sliding sleeve seat to adjust the relative position of the positioning annular seat.

Furthermore, the upper end surface of the slide rail mechanism is provided with a horizontal slide plate and a chuck mechanism in a sliding sleeve in sequence at the rear side, and the upper end surface of the horizontal slide plate is provided with a tool holder fixing mechanism in a sliding sleeve;

Through the above technical solution, the transverse slide moves laterally on the upper end surface of the slide rail mechanism, and the tool holder fixing mechanism slides longitudinally on the upper end surface of the transverse slide, thereby adjusting the position.

Furthermore, a spindle box is fixedly arranged at the rear side of the slide rail mechanism, and a fixed base is fixedly arranged at the lower end surface of the slide rail mechanism;

Through the above technical solution, the spindle box auxiliary positioning table works normally, and the slide rail mechanism is fixedly installed through the fixed base.

Furthermore, a plurality of limiting arc plates are fixedly arranged at equal intervals inside the positioning annular seat near the inner edge of the worm wheel, and the worm wheel is sleeved outside the plurality of limiting arc plates;

Through the above technical solution, the plurality of limiting arc plates are fitted onto the inner side of the positioning annular seat, thereby enabling the worm gear to rotate inside the positioning annular seat.

Furthermore, a plurality of movable openings are formed at equal intervals on the inner side of the positioning annular seat near the position of the arc-shaped top block, and the ends of the plurality of arc-shaped top blocks respectively pass through the movable openings to the outside of the positioning annular seat;

Through the above technical solution, the ends of the multiple arc-shaped top blocks are smoothly extended out of the inner side of the positioning annular seat through the multiple movable openings, so as to clamp the circular component at multiple points.

Furthermore, a plurality of hinge seats are fixedly arranged at equal intervals at the inner edge of the worm wheel, and a plurality of the arc-shaped top blocks are hingedly arranged on the inner side of the worm wheel through the hinge seats;

Through the above technical solution, the plurality of arc-shaped top blocks are hingedly arranged on the inner side of the worm gear through the plurality of hinge seats, so as to facilitate the rotation of the plurality of arc-shaped top blocks.

Furthermore, a rotating wheel is fixedly arranged at one end of the connecting rod away from the worm;

Through the above technical solution, it is convenient to rotate the connecting rod through the rotating wheel, thereby controlling the rotation of multiple arc-shaped top blocks to clamp the components.

The utility model has the following beneficial effects:

1. The utility model proposes an adjustable positioning platform, which rotates the worm gear with the worm gear through a connecting rod. As the worm gear rotates, multiple arc-shaped top blocks extend from the inner side of the positioning annular seat to clamp the circular component in multiple directions and angles. While the clamping is more stable, the pressure at the contact position is relatively reduced by increasing the number of contact positions, thereby reducing the marks on the surface of the clamped component.

2. The utility model proposes an adjustable positioning table, which has a chuck mechanism, a tool holder fixing mechanism and a positioning mechanism slidingly arranged in the middle of a slide rail mechanism, and performs position adjustment on the slide rail mechanism, and then positions and fixes the processing component through multiple different types of clamps.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the entire axial side of the utility model from the front view;

FIG2 is an overall axial side view of the utility model from the back side;

FIG3 is a schematic diagram of the overall axial side of the positioning mechanism of the utility model;

FIG4 is a schematic cross-sectional view of the internal structure of the positioning annular seat of the utility model;

FIG. 5 is an enlarged schematic diagram of the structure at point A in FIG. 4 of the present utility model.

illustration:

1. Fixed base; 2. Slide rail mechanism; 3. Positioning mechanism; 4. Horizontal slide plate; 5. Tool holder fixing mechanism; 6. Chuck mechanism; 7. Spindle box; 8. Positioning annular seat; 9. Connecting rod; 10. Worm; 11. Worm wheel; 12. Articulated seat; 13. Arc top block; 14. Strip groove; 15. Movable opening; 16. Limiting rod; 17. Limiting arc plate; 18. Rotating wheel; 19. Fixed seat; 20. Sliding sleeve seat.

Detailed ways

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.

Referring to Figures 1-5, an embodiment of the utility model is provided: an adjustable positioning table, including a slide rail mechanism 2, a positioning mechanism 3 is provided on a sliding sleeve at the front side position of the upper end face of the slide rail mechanism 2, the positioning mechanism 3 includes a positioning annular seat 8, a worm gear 11 is provided inside the positioning annular seat 8, and lubricating oil is fully applied to the friction position between the worm gear 11 and the positioning annular seat 8, a connecting rod 9 is embedded in the upper end position of the positioning annular seat 8, a worm 10 is provided on a fixed sleeve at one end of the connecting rod 9 close to the worm gear 11, and the worm 10 is meshed and connected with the worm gear 11. The worm 10 rotates to drive the worm wheel 11 to rotate. A plurality of arc-shaped top blocks 13 are hingedly arranged at equal intervals on the inner edge of the worm wheel 11. The arc-shaped top blocks 13 are fitted on the inner arc surface of the worm wheel 11. A strip groove 14 is penetrated through the middle position of the plurality of arc-shaped top blocks 13. A plurality of limiting rods 16 are fixedly arranged near the strip groove 14 inside the positioning annular seat 8. The plurality of limiting rods 16 are movably arranged inside the strip groove 14. The ends of the plurality of arc-shaped top blocks 13 are connected to the outside of the positioning annular seat 8. The protruding ends of the arc-shaped top blocks 13 are embedded with anti-slip pads.

The positioning mechanism 3 adjusts its position by sliding on the slide rail mechanism 2, and rotates the connecting rod 9 of the positioning mechanism 3, which drives the worm 10 to rotate through the connecting rod 9, so that the worm wheel 11 meshing with it rotates, and drives a plurality of arc-shaped top blocks 13 hingedly arranged on the inner side of the worm wheel 11 to rotate. A strip groove 14 is provided in the middle position of the arc-shaped top block 13, and a limiting rod 16 movably arranged inside the strip groove 14 limits the movement of the arc-shaped top block 13. As the worm wheel 11 rotates, a plurality of arc-shaped top blocks 13 extend from the inner side of the positioning annular seat 8, and the circular component is clamped in multiple directions and angles. By applying pressure to the component at different angles, the clamping is more stable. By increasing the number of contact positions, the pressure at the contact positions is relatively reduced, and the traces on the surface of the clamped component are reduced.

A fixed seat 19 is fixedly provided at the middle position of the lower end surface of the positioning annular seat 8, and a sliding sleeve seat 20 is fixedly provided at the lower end surface of the fixed seat 19. The sliding sleeve seat 20 is slidably sleeved in the middle part of the slide rail mechanism 2. The fixed seat 19 fixes the positioning annular seat 8. The positioning annular seat 8 moves laterally in the middle part of the slide rail mechanism 2 through the sliding sleeve seat 20 to adjust the relative position of the positioning annular seat 8. The upper end surface of the slide rail mechanism 2 is slidably sleeved with a transverse slide plate 4 and a chuck mechanism 6 in sequence at the rear side. The upper end surface of the transverse slide plate 4 is slidably sleeved with a tool holder fixing mechanism 5. The transverse slide plate 4 moves laterally on the upper end surface of the slide rail mechanism 2, and the tool holder fixing mechanism 5 slides longitudinally on the upper end surface of the transverse slide plate 4, thereby adjusting the position;

A spindle box 7 is fixedly provided at the rear side of the slide rail mechanism 2, and a fixed base 1 is fixedly provided at the lower end surface of the slide rail mechanism 2. The spindle box 7 assists the normal operation of the positioning table, and the slide rail mechanism 2 is fixedly installed through the fixed base 1. A plurality of limiting arc plates 17 are fixedly provided at equal intervals inside the positioning annular seat 8 near the inner edge of the worm gear 11. The worm gear 11 is sleeved on the outer sides of the plurality of limiting arc plates 17, and the plurality of limiting arc plates 17 are fitted on the inner side of the positioning annular seat 8, so that the worm gear 11 is rotatably arranged inside the positioning annular seat 8. A plurality of movable openings 15 are opened at equal intervals on the inner side of the positioning annular seat 8 near the position of the arc-shaped top block 13, and the ends of the plurality of arc-shaped top blocks 13 respectively pass through the movable openings 15 to the outside of the positioning annular seat 8. Through the opened plurality of movable openings 15, the ends of the plurality of arc-shaped top blocks 13 are smoothly extended out of the inner side of the positioning annular seat 8, so as to perform multi-point clamping on the circular component;

A plurality of hinge seats 12 are fixedly arranged at equal intervals on the inner edge of the worm wheel 11, and a plurality of arc-shaped top blocks 13 are hingedly arranged on the inner side of the worm wheel 11 through the hinge seats 12. The plurality of arc-shaped top blocks 13 are hingedly arranged on the inner side of the worm wheel 11 through the plurality of hinge seats 12, so that the plurality of arc-shaped top blocks 13 can rotate. A rotating wheel 18 is fixedly arranged on one end of the connecting rod 9 away from the worm 10, so that the connecting rod 9 can be rotated through the rotating wheel 18, thereby controlling the rotation of the plurality of arc-shaped top blocks 13 to clamp the components.

Working principle: When in use, the positioning table is fixedly installed in the working position and connected to the tool and other processing equipment and components. The positioning mechanism 3 of the positioning table adjusts its position by sliding on the slide rail mechanism 2, and the connecting rod 9 of the positioning mechanism 3 is rotated by the rotating wheel 18. The worm 10 is driven to rotate by the connecting rod 9, so that the worm wheel 11 meshing with it rotates, and drives a plurality of arc-shaped top blocks 13 hingedly arranged on the inner side of the worm wheel 11 to rotate. A strip groove 14 is provided in the middle position of the arc-shaped top block 13, and a limiting rod 16 movably arranged inside the strip groove 14 limits the movement of the arc-shaped top block 13. With the rotation of the worm wheel 11, a plurality of arc-shaped top blocks 13 extend from the inner side of the positioning annular seat 8, and the circular component at the center position of the positioning annular seat 8 is clamped in multiple directions and angles. According to the size of the clamped positioning component, the positioning mechanism 3 is adjusted to stably clamp and fix the circular component, and the fixed seat 19 arranged on the lower end surface of the slide rail mechanism 2 supports and fixes the positioning table.

Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a positioning table with adjustable, includes slide rail mechanism (2), its characterized in that: slide rail mechanism (2) upper end front side position slip cap is equipped with positioning mechanism (3), positioning mechanism (3) are including location annular seat (8), the inside rotation of location annular seat (8) is provided with worm wheel (11), the inside upper end position embedding of leaning on of location annular seat (8) is provided with connecting rod (9), connecting rod (9) are close to worm wheel (11) one end fixed cover and are equipped with worm (10), worm (10) are connected with worm wheel (11) meshing and are set up, equidistant articulated a plurality of arc kicking blocks (13) that are provided with in worm wheel (11) inboard edge position, a plurality of arc kicking block (13) intermediate position all runs through and has seted up bar groove (14), location annular seat (8) inside is close to bar groove (14) fixed a plurality of limiting rod (16), a plurality of limiting rod (16) activity set up in bar (14) inside, a plurality of arc kicking block (13) end are led to location annular seat (8) outside.

2. An adjustable positioning table as claimed in claim 1, wherein: the middle position of the lower end surface of the positioning annular seat (8) is fixedly provided with a fixed seat (19), the lower end surface of the fixed seat (19) is fixedly provided with a sliding sleeve seat (20), and the sliding sleeve seat (20) is sleeved at the middle part of the sliding rail mechanism (2) in a sliding way.

3. An adjustable positioning table as claimed in claim 1, wherein: the upper end face of the sliding rail mechanism (2) is provided with a horizontal slide carriage (4) and a chuck mechanism (6) in a sliding sleeve mode in sequence at the position close to the rear side, and the upper end face of the horizontal slide carriage (4) is provided with a tool rest fixing mechanism (5) in a sliding sleeve mode.

4. An adjustable positioning table as claimed in claim 1, wherein: the novel sliding rail mechanism is characterized in that a spindle box (7) is fixedly arranged at the rear side of the sliding rail mechanism (2), and a fixed base (1) is fixedly arranged on the lower end face of the sliding rail mechanism (2).

5. An adjustable positioning table as claimed in claim 1, wherein: a plurality of limiting arc plates (17) are fixedly arranged in the positioning annular seat (8) at equal intervals and close to the edge position of the inner side of the worm wheel (11), and the worm wheel (11) is sleeved on the outer sides of the limiting arc plates (17).

6. An adjustable positioning table as claimed in claim 1, wherein: a plurality of movable openings (15) are formed in the inner side of the positioning annular seat (8) close to the arc-shaped top block (13) in an equidistant penetrating mode, and the tail ends of the arc-shaped top blocks (13) penetrate through the movable openings (15) respectively and are communicated to the outer portion of the positioning annular seat (8).

7. An adjustable positioning table as claimed in claim 1, wherein: a plurality of hinging seats (12) are fixedly arranged at the edge positions of the inner side of the worm wheel (11) at equal intervals, and a plurality of arc-shaped jacking blocks (13) are hinged to the inner side of the worm wheel (11) through the hinging seats (12).

8. An adjustable positioning table as claimed in claim 1, wherein: one end of the connecting rod (9) far away from the worm (10) is fixedly provided with a rotating wheel (18).