Positioning table for machining

Abstract

A positioning table for machining comprises a positioning table body, fixing grooves are formed in the left end and the right end of the positioning table body, a positioning block seat is arranged on the upper end face of the positioning table body, a limiting baffle is connected to the upper end face of the positioning block seat, and the limiting baffle and the positioning block seat are integrally formed. Four mounting holes are formed in the end, deviating from the positioning block seat, of the limiting baffle, the second threaded holes are circumferentially arranged at equal intervals, a positioning block is fixedly mounted at the end, deviating from the fixing groove, of the limiting baffle through a second fixing stud, the positioning block seat supports the positioning block, and the positioning block is in threaded connection with a limiting rod; the positioning block is connected with a long positioning block through a limiting rod, four through holes are formed in the side, away from the positioning block, of the long positioning block, a support is installed on the second threaded hole, an eccentric wheel mounting hole is formed in the upper end face of the support, and an eccentric wheel is rotationally connected to the upper end of the support through the eccentric wheel mounting hole. And a lever is arranged on one side of the eccentric wheel.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing positioning, in particular to a positioning table for mechanical processing. Background Art

[0002] The positioning table for machining is a device used to fix and position the workpiece. It is usually used to process parts with high machining precision. During the machining process, the role of the positioning table is to ensure that the workpiece maintains a stable position during the machining process to ensure machining accuracy and quality.

[0003] The structural design of the positioning table needs to consider the size, weight and shape of the workpiece, as well as factors such as the force and vibration during the processing. Usually, the positioning table adopts a sturdy structure and a stable support method to ensure that the workpiece will not move or deform during the processing.

[0004] When a traditional vertical milling machine is milling a cylindrical workpiece, it is often unable to fix the cylindrical workpiece well to process its end face. For this reason, we propose a positioning table for machining. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a positioning table for mechanical processing, which solves the above-mentioned problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning table for mechanical processing, comprising a positioning table, wherein the left and right ends of the positioning table are provided with fixing grooves, the upper end surface of the positioning table is provided with a positioning block seat, the upper end surface of the positioning block seat is connected with a limit baffle, the limit baffle and the positioning block seat are integrally formed, the end of the limit baffle away from the positioning block seat is provided with four mounting holes, the four mounting holes on the limit baffle are arranged equidistantly in a circle, the end of the positioning table away from the fixing groove is provided with four threaded holes, the threaded holes are arranged in a circle The limit baffle is arranged equidistantly around the periphery, and one end of the limit baffle away from the fixing groove is fixedly installed with a positioning block through a second fixing stud, the positioning block seat supports a positioning block, the positioning block is threadedly connected to a limiting rod, the positioning block is connected to a long positioning block through the limiting rod, and four through holes are provided on the side of the long positioning block away from the positioning block, a bracket is installed on the second threaded hole, and the bracket is fixed by four fixing studs, an eccentric wheel mounting hole is provided on the upper end surface of the bracket, the upper end of the bracket is rotatably connected to an eccentric wheel through the eccentric wheel mounting hole, and a lever is provided on one side of the eccentric wheel.

[0009] Preferably, the positioning block is rectangular as a whole, and one end of the positioning block that is in contact with the limit baffle is provided with four threaded holes corresponding to the four mounting holes of the limit baffle, and the end of the positioning block that is away from the threaded holes is provided with a V-shaped groove, and a square groove is provided at the bottom end of the V-shaped groove of the positioning block.

[0010] Preferably, the long positioning block is in the shape of a rectangular parallelepiped as a whole, a V-shaped groove is provided on the end of the long positioning block away from the eccentric wheel, a square groove is provided at the bottom end of the V-shaped groove of the long positioning block, and a smooth limit rod is inserted into the through hole of the long positioning block.

[0011] Preferably, the through hole in which the smooth surface of the limiting rod is inserted is provided with an avoidance cavity on the slotted surface of the long positioning block, and the avoidance cavity avoids the spring and the limiting protrusion.

[0012] Preferably, a limiting rod stud is provided at one end of the limiting rod away from the eccentric wheel, a limiting protrusion is provided at one end of the limiting rod away from the threaded hole, the limiting rod includes a limiting rod smooth surface, and a spring is sleeved on the limiting rod smooth surface.

[0013] Preferably, the threaded holes are threaded through holes, and the four threaded holes correspond to the four through holes on the long positioning block.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a positioning table for mechanical processing, which has the following beneficial effects:

[0016] 1. The positioning table for machining can fix the workpiece to prevent the workpiece from moving or shaking during machining, improve machining accuracy and stability, and thus improve machining efficiency.

[0017] 2. The positioning table for machining can accurately position the workpiece, ensure the keyway processing position is accurate, and avoid machining quality problems caused by workpiece position offset.

[0018] 3. The positioning table for mechanical processing can simplify the operation process, reduce manual intervention, reduce the impact of human factors on processing quality, and improve production efficiency.

[0019] 3. The positioning table for machining can ensure that the workpiece is firmly fixed, prevent the workpiece from falling off or sliding during the machining process, improve machining safety, and reduce the possibility of accidents.

[0020] 3. The positioning table for machining can be customized according to the shape and size of the workpiece. It has strong applicability, can meet the processing requirements of different workpieces, and improve production efficiency and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is a schematic diagram of the installation of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model.

[0023] In the figure: 1. positioning platform; 2. positioning block; 3. long positioning block; 4. bracket; 5. eccentric wheel; 6. limiting rod; 7. fixing stud; 8. limiting baffle; 9. positioning block seat; 10. fixing groove; 11. threaded hole; 12. fixing stud II; 13. limiting protrusion; 14. spring; 15. limiting rod stud; 16. limiting rod smooth surface; 17. avoidance cavity; 18. threaded hole II; 19. groove; 20. lever; 21. eccentric wheel mounting hole. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-2 A positioning table for mechanical processing includes a positioning table 1, a fixing groove 10 is provided at the left and right ends of the positioning table 1, a positioning block seat 9 is provided on the upper end surface of the positioning table 1, a limit baffle 8 is connected to the upper end surface of the positioning block seat 9, the limit baffle 8 and the positioning block seat 9 are integrally formed, and the limit baffle 8 is provided with four mounting holes at one end away from the positioning block seat 9, and the four mounting holes on the limit baffle 8 are arranged equidistantly around the circumference, and the positioning table 1 is provided with four threaded holes 18 at one end away from the fixing groove 10, and the threaded holes 18 are arranged equidistantly around the circumference, and the limit baffle 8 is away from the fixed groove 10. A positioning block 2 is fixedly installed at one end of the fixed groove 10 through a fixing stud 12, the positioning block seat 9 supports the positioning block 2, the positioning block 2 is threadedly connected to a limiting rod 6, the positioning block 2 is connected to a long positioning block 3 through the limiting rod 6, four through holes are provided on the side of the long positioning block 3 away from the positioning block 2, a bracket 4 is installed on the threaded hole 18, the bracket 4 is fixed by four fixing studs 7, an eccentric wheel mounting hole 21 is provided on the upper end surface of the bracket 4, the upper end of the bracket 4 is rotatably connected to an eccentric wheel 5 through the eccentric wheel mounting hole 21, and a lever 20 is provided on one side of the eccentric wheel 5.

[0026] Furthermore, the positioning block 2 is rectangular as a whole, and one end of the positioning block 2 that is in contact with the limit baffle 8 is provided with four threaded holes 11 corresponding to the four mounting holes of the limit baffle 8, and the end of the positioning block 2 that is away from the threaded holes 11 is provided with a V-shaped groove, and the bottom end of the V-shaped groove of the positioning block 2 is overlapped with a square groove.

[0027] Further, the long positioning block 3 is integrally in the shape of a cuboid. A V-shaped groove is formed at one end of the long positioning block 3 away from the eccentric wheel 5. A square groove is formed at the bottom end of the V-shaped groove of the long positioning block 3. A smooth surface of the limiting rod 16 is inserted into the through hole of the long positioning block 3.

[0028] Further, an avoidance cavity 17 is formed in the through hole where the smooth surface of the limiting rod 16 is inserted on the grooved surface of the long positioning block 3. The avoidance cavity 17 avoids the spring 14 and the limiting protrusion 13.

[0029] Further, a stud of the limiting rod 15 is formed at one end of the limiting rod 6 away from the eccentric wheel 5. A limiting protrusion 13 is formed at one end of the limiting rod 6 away from the threaded hole 11. The limiting rod 6 includes a smooth surface of the limiting rod 16. A spring 14 is sleeved on the smooth surface of the limiting rod 16.

[0030] Further, the threaded hole 11 is a threaded through hole. The four threaded holes 11 correspond to the four through holes on the long positioning block 3.

[0031] Working principle: Fixing grooves 10 are formed at the left and right ends of the positioning table 1. A positioning block seat 9 is formed on the upper end surface of the positioning table 1. A limiting baffle 8 is connected to the upper end surface of the positioning block seat 9. The limiting baffle 8 and the positioning block seat 9 are integrally formed. Four mounting holes are formed at one end of the limiting baffle 8 away from the positioning block seat 9. The four mounting holes on the limiting baffle 8 are arranged at equal circumferential intervals. Four threaded holes two 18 are formed at one end of the positioning table 1 away from the fixing groove 10. The four threaded holes two 18 are arranged at equal circumferential intervals. The positioning block 2 is fixedly installed at one end of the limiting baffle 8 away from the fixing groove 10 through a fixing stud two 12. The positioning block seat 9 supports the positioning block 2. The positioning block 2 is threadedly connected with the limiting rod 6. The positioning block 2 is connected with the long positioning block 3 through the limiting rod 6. Four through holes are formed on one side of the long positioning block 3 away from the positioning block 2. A bracket 4 is installed on the threaded hole two 18. The bracket 4 is fixed through four fixing studs 7. An eccentric wheel mounting hole 21 is formed on the upper end surface of the bracket 4. An eccentric wheel 5 is rotatably connected to the upper end of the bracket 4 through the eccentric wheel mounting hole 21. A lever 20 is formed on one side of the eccentric wheel 5.

[0032] Through the reserved hole positions of the positioning table 1, the positioning block 2 and the bracket 4 are fixed. The long positioning block 3 is limited by the stud of the limiting rod 15 fixed by the positioning block 2. The eccentric wheel 5 is limited by the bracket 4 through the reserved hole positions. When the eccentric wheel 5 moves through the lever 20, its eccentric property will help the long positioning block 3 to clamp the cylindrical workpiece, so as to facilitate the machining of its end face. Among them, the long positioning block 3 is limited by the limiting rod 6, so that it can only squeeze and clamp the workpiece towards the workpiece direction or loosen and remove the workpiece. When the eccentric wheel rotates in the reverse direction, the long positioning block 3 will be disengaged under the action of the spring 14, so as to facilitate the disassembly of the workpiece.

[0033] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning table for machining, comprising a positioning table (1), characterized in that: The left and right ends of the positioning platform (1) are provided with fixing grooves (10); the upper end surface of the positioning platform (1) is provided with a positioning block seat (9); the upper end surface of the positioning block seat (9) is connected with a limit baffle (8); the limit baffle (8) and the positioning block seat (9) are integrally formed; one end of the limit baffle (8) away from the positioning block seat (9) is provided with four mounting holes; the four mounting holes on the limit baffle (8) are arranged at equal distances on the circumference; one end of the positioning platform (1) away from the fixing groove (10) is provided with four threaded holes (18); the threaded holes (18) are arranged at equal distances on the circumference; one end of the limit baffle (8) away from the fixing groove (10) is fixed by fixing studs (2) 12) is fixedly installed with a positioning block (2), the positioning block seat (9) supports the positioning block (2), the positioning block (2) is threadedly connected to a limiting rod (6), the positioning block (2) is connected to a long positioning block (3) through the limiting rod (6), the long positioning block (3) is provided with four through holes on the side away from the positioning block (2), a bracket (4) is installed on the threaded hole (18), the bracket (4) is fixed by four fixing studs (7), an eccentric wheel mounting hole (21) is provided on the upper end surface of the bracket (4), the upper end of the bracket (4) is rotatably connected to an eccentric wheel (5) through the eccentric wheel mounting hole (21), and a lever (20) is provided on one side of the eccentric wheel (5).

2. The positioning table for machining according to claim 1, characterized in that: The positioning block (2) is rectangular in shape as a whole, and one end of the positioning block (2) that is in contact with the limit baffle (8) is provided with four threaded holes (11) corresponding to the four mounting holes of the limit baffle (8), and one end of the positioning block (2) that is away from the threaded holes (11) is provided with a V-shaped groove, and a square groove is provided at the bottom end of the V-shaped groove of the positioning block (2) to overlap.

3. A positioning table for machining according to claim 1, characterized in that: The long positioning block (3) is in the shape of a rectangular parallelepiped as a whole. A V-shaped groove is provided on one end of the long positioning block (3) away from the eccentric wheel (5). A square groove is provided at the bottom end of the V-shaped groove of the long positioning block (3). A smooth limit rod (16) is inserted into the through hole of the long positioning block (3).

4. A positioning table for machining according to claim 3, characterized in that: The through hole in which the smooth surface of the limiting rod (16) is inserted is provided with an avoidance cavity (17) on the slotted surface of the long positioning block (3), and the avoidance cavity (17) avoids the spring (14) and the limiting protrusion (13).

5. A positioning table for machining according to claim 1, characterized in that: A limiting rod stud (15) is provided at one end of the limiting rod (6) away from the eccentric wheel (5), a limiting protrusion (13) is provided at one end of the limiting rod (6) away from the threaded hole (11), and the limiting rod (6) comprises a limiting rod smooth surface (16), and a spring (14) is sleeved on the limiting rod smooth surface (16).

6. The positioning table for machining according to claim 2, characterized in that: The threaded holes (11) are threaded through holes, and the four threaded holes (11) correspond to the four through holes on the long positioning block (3).

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