Machine tool capable of accurately positioning

By designing the motor-driven clamping system and ruler positioning on the machine tool, the problem that existing machine tool fixtures cannot be adjusted is solved, and the precise clamping and positioning of the workpiece is achieved, and the machining accuracy is improved.

CN223222896UActive Publication Date: 2025-08-15HUBEI SANCHEN MASCH TECH CO LTD
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Patent Information

Application Number
CN202422205033.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-08-15
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

The existing machine tool fixture has a single structure and cannot be adjusted according to the shape of the workpiece, resulting in poor clamping effect and easy shaking of the workpiece, affecting the machining accuracy.

Method used

A clamping system including motor, threaded rod, slider, bevel gear and clamp are designed. The motor drives the bevel gear to drive the threaded rod to rotate, the slider moves the clamp for clamping, and accurately positioned through a ruler to adapt to the surfaces of different workpieces.

Benefits of technology

It improves the clamping effect of the workpiece, reduces shaking, realizes the precise positioning of the workpiece by the machine tool tool, and improves the machining accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machining, in particular to a machine tool capable of accurately positioning, which comprises a machine tool table board, two groups of scales are fixedly connected to the surface of the machine tool table board, a clamp seat is fixedly connected to the surface of the machine tool table board, and a clamp fixing table is fixedly connected to the surface of the clamp seat. A second motor is fixedly connected to the surface, away from the clamp fixing table, of the clamp base, a rotating shaft is fixedly connected to the output end of the second motor, a first bevel gear is fixedly connected to the surface of the rotating shaft, a second bevel gear is engaged to the surface of the first bevel gear through teeth, and a clamping plate is fixedly connected to the surface of the connecting plate; and the surface of the hand screw bolt is fixedly connected with a pressing plate. The clamping plate and the pressing plate are arranged, adjustment is carried out according to different surfaces of different workpieces, the clamping effect is good, the possibility that the workpieces shake during clamping is reduced, the scaleplate is arranged, the surfaces of the workpieces can be accurately positioned through a cutter, and use is convenient.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a machine tool capable of precise positioning. Background Art

[0002] Common machine tools include: lathes, boring machines, milling machines, planers, grinders, drilling machines, CNC machine tools, crankshaft machines and forging machines, etc.

[0003] The existing machine tool fixture has a single structure and cannot be adjusted according to the shape of the workpiece. The clamping effect is poor and the workpiece is prone to shaking, which makes it difficult for the machine tool tool to position the workpiece, resulting in low processing accuracy. For this reason, we propose a machine tool that can be precisely positioned. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a machine tool that can be precisely positioned, so as to solve the problem proposed in the above-mentioned background technology that the existing machine tool fixture has a single structure, cannot be adjusted according to the shape of the workpiece, has a poor clamping effect, and is prone to workpiece shaking, which makes it difficult for the machine tool tool to position the workpiece and leads to low machining accuracy.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a machine tool capable of precise positioning, comprising a machine tool table, the surface of the machine tool table being fixedly connected to a motor 1, the output end of the motor 1 being fixedly connected to a threaded rod 1, the interior of the machine tool table being fixedly connected to two sets of limit rods, the surface of the threaded rod 1 being movably connected to a slider 1, the top of the slider 1 being fixedly connected to a tool holder, the surface of the machine tool table being fixedly connected to two sets of scales, the surface of the machine tool table being fixedly connected to a fixture seat, the surface of the fixture seat being fixedly connected to a fixture fixing platform, and the surface of the fixture seat away from the fixture fixing platform being fixedly connected to the motor 2. The output end of the motor 2 is fixedly connected to the rotating shaft, the surface of the rotating shaft is fixedly connected to the bevel gear 1, the surface of the bevel gear 1 is meshed with the bevel gear 2 through teeth, the surface of the bevel gear 2 is fixedly connected to the threaded rod 2, the surface of the threaded rod 2 is movably connected to the slider 2, the interior of the slider 2 is fixedly connected to the fixed shaft, one end of the fixed shaft is fixedly connected to the limiting ring, the surface of the fixed shaft is movably connected to the sleeve, the surface of the sleeve is fixedly connected to the connecting plate, the surface of the connecting plate is fixedly connected to the splint, the bottom of the slider 2 is movably connected to a hand bolt, and the surface of the hand bolt is fixedly connected to a pressure plate.

[0006] Preferably, a group of thread grooves 1 and two groups of circular grooves 1 are provided on the surface of the slider 1, and the threaded rod 1 and the two groups of limiting rods correspond to each other.

[0007] Preferably, the surface of the ruler is engraved with scale.

[0008] Preferably, three groups of the bevel gear 2 are arranged around the central circumference of the bevel gear 1.

[0009] Preferably, a second thread groove is provided on the surface of the second slider, and the second slider is movably connected to the surface of the second threaded rod via the second thread groove.

[0010] Preferably, a circular groove 2 is provided inside the slider 2, and the sleeve passes through one end of the slider 2 through the circular groove 2. A rotating groove with a T-shaped cross-section is provided inside the sleeve, and the fixed shaft and the limiting ring are rotatably connected in the rotating groove.

[0011] Preferably, a thread groove three is provided at the bottom of the slider two, which matches the thread on the surface of the hand-tightened bolt.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This machine tool that can accurately position is equipped with a clamping plate and a pressure plate. When clamping the workpiece, the workpiece is placed at the center of the fixture fixed platform, and the second motor is turned on to drive the rotating shaft to rotate, which drives the bevel gear 1 on the surface to rotate, and then drives the three sets of circumferentially arranged bevel gears 2 that are engaged with it to rotate, which drives the threaded rod 2 to rotate, so that the slider 2 on the threaded rod 2 moves and drives the clamping plate to clamp the workpiece. The clamping plate can be rotated on the slider 2 through the cooperation of the sleeve and the fixed shaft, and can be adjusted according to the different surfaces of different workpieces. By tightening the hand bolts, the pressure plate can be pressed against the surface of the sleeve to fix the rotation angle of the sleeve, that is, the angle of the clamping plate is fixed, the clamping effect is good, and the possibility of shaking of the workpiece during clamping is reduced.

[0014] 2. This machine tool that can accurately position is equipped with a ruler. When the tool holder is moved to position the workpiece surface, the moving distance can be observed through the rulers set on both sides of the tool holder on the machine table, so that the tool can accurately position the workpiece surface, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic front view of the structure of the present utility model;

[0016] Figure 2 This is an exploded schematic diagram of the local structure of the tool holder and ruler of the utility model;

[0017] Figure 3 This is a structural diagram of the fixture fixing platform, motor 2 and rotating shaft of the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the fixture fixing platform of the utility model;

[0019] Figure 5 This is an exploded schematic diagram of the internal structure of the fixture fixing platform of the present invention.

[0020] In the figure: 1. Machine tool table; 2. Motor 1; 3. Threaded rod 1; 4. Limit rod; 5. Slider 1; 6. Tool holder; 7. Ruler; 8. Clamp seat; 9. Clamp fixing table; 10. Motor 2; 11. Rotating shaft; 12. Bevel gear 1; 13. Bevel gear 2; 14. Threaded rod 2; 15. Slider 2; 16. Fixed shaft; 17. Limit ring; 18. Sleeve; 19. Connecting plate; 20. Clamping plate; 21. Thumb bolt; 22. Pressure plate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] A machine tool capable of precise positioning comprises a machine table 1, the surface of the machine table 1 is fixedly connected to a motor 2, the output end of the motor 2 is fixedly connected to a threaded rod 3, the interior of the machine table 1 is fixedly connected to two sets of limit rods 4, the surface of the threaded rod 3 is movably connected to a slider 5, the top of the slider 5 is fixedly connected to a tool holder 6, the surface of the machine table 1 is fixedly connected to two sets of scales 7, the surface of the machine table 1 is fixedly connected to a fixture seat 8, the surface of the fixture seat 8 is fixedly connected to a fixture fixing platform 9, and the surface of the fixture seat 8 away from the fixture fixing platform 9 is fixedly connected to the motor. The output end of the motor 2 is fixedly connected to the rotating shaft 11, the surface of the rotating shaft 11 is fixedly connected to the bevel gear 12, the surface of the bevel gear 12 is meshed with the bevel gear 2 13 through teeth, the surface of the bevel gear 2 13 is fixedly connected to the threaded rod 2 14, the surface of the threaded rod 2 14 is movably connected to the slider 2 15, the interior of the slider 2 15 is fixedly connected to the fixed shaft 16, one end of the fixed shaft 16 is fixedly connected to the limiting ring 17, the surface of the fixed shaft 16 is movably connected to the sleeve 18, the surface of the sleeve 18 is fixedly connected to the connecting plate 19, the surface of the connecting plate 19 The surface is fixedly connected with a clamping plate 20, and the bottom of the slider 2 15 is movably connected with a hand-tightening bolt 21. The surface of the hand-tightening bolt 21 is fixedly connected with a pressure plate 22. The clamping plate 20 and the pressure plate 22 are set. When clamping the workpiece, the workpiece is placed at the center of the fixture fixing table 9, and the motor 2 10 is turned on to drive the rotating shaft 11 to rotate, and the bevel gear 12 on the surface is driven to rotate, and then the three sets of circumferentially arranged bevel gears 2 13 engaged with it are driven to rotate and the threaded rod 2 14 is driven to rotate, so that the slider 2 15 on the threaded rod 2 14 moves to drive the clamping plate 20 to clamp the workpiece. The clamping plate 20 can The sleeve 18 and the fixed shaft 16 are matched to rotate on the slider 2 15 and adjusted according to the different surfaces of different workpieces. The pressure plate 22 can be pressed against the surface of the sleeve 18 by tightening the hand-tightening bolt 21, and the rotation angle of the sleeve 18 is fixed, that is, the angle of the clamping plate 20 is fixed, which has a good clamping effect and reduces the possibility of shaking of the workpiece during clamping. A ruler 7 is set. When the tool holder 6 is moved to position the workpiece surface, the moving distance can be observed by the ruler 7 set on both sides of the tool holder 6 on the machine tool table 1, so that the tool can accurately position the workpiece surface, which is convenient for use.

[0024] Furthermore, a group of threaded grooves 1 and two groups of circular grooves 1 are provided on the surface of the slider 1 5 , which correspond to the threaded rod 1 3 and the two groups of limit rods 4 respectively. The slider 1 5 is driven to move horizontally on the threaded rod 1 3 by the threaded rod 1 3 and the two groups of limit rods 4 .

[0025] Furthermore, the surface of the ruler 7 is engraved with scales, and the moving distance of the knife holder 6 can be observed through the ruler 7, which is convenient for use.

[0026] Furthermore, three groups of bevel gears 2 13 are arranged around the central circumference of bevel gear 1 12 , and the surfaces of the three groups of bevel gears 2 13 are all provided with threaded rods 2 14 and subsequent components. The three groups of clamping plates 20 arranged around the circumference are more convenient for clamping the workpiece.

[0027] Furthermore, a thread groove 2 is provided on the surface of the slider 2 15, and the slider 2 15 is movably connected to the surface of the threaded rod 2 14 through the thread groove 2. The slider 2 15 can move up and down on the surface of the threaded rod 2 14, and a square groove with the same width as the slider 2 15 is provided on the surface of the fixture fixing platform 9 to limit the rotation of the slider 2 15.

[0028] Furthermore, a circular groove 2 is opened inside the slider 2 15, and the sleeve 18 passes through one end of the slider 2 15 through the circular groove 2. A rotating groove with a T-shaped cross-section is opened inside the sleeve 18, and the fixed shaft 16 and the limiting ring 17 are rotatably connected in the rotating groove. The fixed shaft 16 and the limiting ring 17 cooperate with the T-shaped rotating groove, so that the sleeve 18 can rotate around the fixed shaft 16 without falling off its surface.

[0029] Furthermore, a thread groove three is provided at the bottom of the slider 2 15 to match the thread on the surface of the hand-tightening bolt 21 . When the hand-tightening bolt 21 is screwed into the slider 2 15 , the surface of the pressure plate 22 will contact the outer surface of the sleeve 18 .

[0030] Working principle: When in use, first place the workpiece at the center of the fixture fixing table 9, turn on the motor 2 10 to drive the rotating shaft 11 to rotate, drive the bevel gear 12 on the surface to rotate, and then drive the three sets of circumferentially arranged bevel gears 2 13 engaged with it to rotate and drive the threaded rod 2 14 to rotate, so that the slider 2 15 on the threaded rod 2 14 moves and drives the clamping plate 20 to clamp the workpiece. At this time, the clamping plate 20 contacts the surface of the workpiece, and the clamping plate 20 can rotate on the slider 2 15 through the cooperation of the sleeve 18 and the fixed shaft 16, and rotate according to the different surfaces of different workpieces. Dynamic adjustment. When the three groups of clamping plates 20 arranged on the circumference are adjusted, the pressure plate 22 is pressed against the surface of the sleeve 18 by tightening the hand-tightening bolts 21, and the rotation angle of the sleeve 18 is fixed, that is, the angle of the clamping plate 20 is fixed, the clamping effect is good, and the possibility of the workpiece shaking during clamping is reduced. Turn on the motor 2 to drive the threaded rod 3 to rotate, so that the slider 5 drives the tool holder 6 to move on the surface of the threaded rod 3. The moving distance of the tool holder 6 can be observed according to the scale 7 set on the surface of the machine tool table 1, so that the tool can be accurately positioned on the workpiece surface, which is easy to use.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A machine tool capable of precise positioning, comprising a machine tool table (1), characterized in that: The surface of the machine tool table (1) is fixedly connected to a motor 1 (2), the output end of the motor 1 (2) is fixedly connected to a threaded rod 1 (3), the interior of the machine tool table (1) is fixedly connected to two groups of limit rods (4), the surface of the threaded rod 1 (3) is movably connected to a slider 1 (5), the top of the slider 1 (5) is fixedly connected to a tool holder (6), the surface of the machine tool table (1) is fixedly connected to two groups of scales (7), the surface of the machine tool table (1) is fixedly connected to a fixture seat (8), the surface of the fixture seat (8) is fixedly connected to a fixture fixing platform (9), the surface of the fixture seat (8) away from the fixture fixing platform (9) is fixedly connected to a motor 2 (10), the output end of the motor 2 (10) is fixedly connected to a rotating shaft (11), the surface of the rotating shaft (11) is fixedly connected to the tool holder (6), and the surface of the rotating shaft (11) is fixedly connected to the tool holder (6). A bevel gear (12) is fixedly connected, the surface of the bevel gear (12) is meshed with a bevel gear (13) through teeth, the surface of the bevel gear (13) is fixedly connected to a threaded rod (14), the surface of the threaded rod (14) is movably connected to a slider (15), the interior of the slider (15) is fixedly connected to a fixed shaft (16), one end of the fixed shaft (16) is fixedly connected to a limiting ring (17), the surface of the fixed shaft (16) is movably connected to a sleeve (18), the surface of the sleeve (18) is fixedly connected to a connecting plate (19), the surface of the connecting plate (19) is fixedly connected to a clamping plate (20), the bottom of the slider (15) is movably connected to a hand-tightening bolt (21), and the surface of the hand-tightening bolt (21) is fixedly connected to a pressure plate (22).

2. A machine tool capable of precise positioning according to claim 1, characterized in that: The surface of the slider 1 (5) is provided with a group of thread grooves 1 and two groups of circular grooves 1, corresponding to the threaded rod 1 (3) and the two groups of limiting rods (4) respectively.

3. The machine tool capable of precise positioning according to claim 1, characterized in that: The surface of the ruler (7) is engraved with scales.

4. The machine tool capable of precise positioning according to claim 1, characterized in that: The bevel gear 2 (13) is provided with three groups around the central circumference of the bevel gear 1 (12).

5. The machine tool capable of precise positioning according to claim 1, characterized in that: The surface of the second slider (15) is provided with a second thread groove, and the second slider (15) is movably connected to the surface of the second threaded rod (14) through the second thread groove.

6. The machine tool capable of precise positioning according to claim 1, characterized in that: A circular groove 2 is provided inside the second slider (15), and the sleeve (18) passes through one end of the second slider (15) through the circular groove 2. A rotating groove with a T-shaped cross section is provided inside the sleeve (18), and the fixed shaft (16) and the limiting ring (17) are rotatably connected in the rotating groove.

7. The machine tool capable of precise positioning according to claim 1, characterized in that: The bottom of the second sliding block (15) is provided with a thread groove three that matches the surface thread of the hand-tightening bolt (21).