Positioning device for machine tool chuck

Abstract

The utility model discloses a positioning device for a machine tool chuck, and relates to the technical field of chuck positioning. The device comprises a chuck, the chuck is provided with a slideway, the inside of the slideway is slidably connected with a positioning mechanism, the positioning mechanism comprises a sliding column, the inside of the sliding column is provided with a first through hole, one end of the sliding column is fixedly connected with a strain gauge through glue, one end of the strain gauge is fixedly connected with a wire, and the other end of the sliding column is fixedly connected with a second through hole. The positioning mechanism is arranged and comprises the sliding column, the limiting table, the limiting block and other assemblies, a stable limiting structure is formed, the sliding column can flexibly and stably slide in the sliding way, the position can be conveniently adjusted to adapt to clamping jaws of different sizes and shapes, strain gauges abut against clamping jaw installation holes, and the clamping jaw installation holes are not prone to being damaged. The pressure of the clamping jaw can be detected in real time, and a signal is sent out through the controller when the pressure reaches a preset value, so that the lamp bead is lightened, and the clamping jaw is visually indicated to be in a proper clamping state.

Description

Technical Field

[0001] The utility model relates to the technical field of chuck positioning, in particular to a positioning device for a machine tool chuck. Background Art

[0002] The jaw trimmer can be used to trim the inner hole of the three-jaw chuck of a lathe. The traditional jaw trimmer is generally composed of a guide plate and a slider. The slider can slide freely in the slide groove of the guide plate. When the chuck needs to be trimmed, the position of the slider is adjusted so that the boss behind the slider is inserted into the mounting hole of the jaw, and then the chuck is locked for trimming.

[0003] Existing positioning devices for machine tool chucks are generally claw trimmers. Such claw trimmers have certain requirements for the pressure of the jaws when in use. Excessive pressure may cause the claw trimmer to bend or even break, resulting in damage to the claw trimmer. The existing process of manually tightening the jaws lacks sufficient pressure indication. When working under long-term high load conditions, the claw trimmer may shorten its life and subsequently damage the claw trimmer. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a positioning device for a machine tool chuck to solve the technical problem that the life of the claw trimmer may be shortened and the claw trimmer may be damaged when working under long-term and heavy load conditions.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a positioning device for a machine tool chuck, comprising a chuck, a slideway being provided on the chuck, a positioning mechanism being slidably connected to the interior of the slideway, the positioning mechanism comprising a sliding column, a first through hole being provided inside the sliding column, one end of the sliding column being fixedly connected to a strain gauge by glue, and one end of the strain gauge being fixedly connected to a wire.

[0006] By adopting the above technical solution, the strain gauge is fixedly connected to one end of the sliding column by glue, and the signal is transmitted through the wire, so that the strain gauge can detect the pressure changes of the clamping jaw in real time and transmit the signal to the controller to promptly prompt the clamping force, ensuring that the clamping jaw will not be damaged, thereby improving processing accuracy and safety.

[0007] Furthermore, the outer side of the sliding column is fixedly connected to a limiting platform, and one side of the limiting platform is fixedly connected to a magnetic ring.

[0008] By adopting the above technical solution, the fixed connection of the limit platform provides a stable limit for the sliding of the sliding column in the slideway, preventing the sliding column from deviating from the predetermined track during the sliding process, and ensuring the accuracy and reliability of the positioning mechanism.

[0009] Furthermore, the other end of the sliding column is fixedly connected to the limiting block by a screw, and a second through hole is opened inside the limiting block.

[0010] By adopting the above technical solution, the limit block is fixedly connected to the other end of the sliding column by screws, providing another stable limit point for the sliding of the sliding column in the slide. It works together with the limit platform to ensure that the sliding column can remain stable during the sliding process and will not fall off the slide, further improving the reliability and stability of the positioning mechanism.

[0011] Furthermore, the first through hole and the second through hole are arranged opposite to each other, and the wire extends to the outside of the limiting block through the first through hole and the second through hole.

[0012] By adopting the above technical solution, the relative arrangement design of the first through hole and the second through hole provides a smooth passage for the wire from the inside of the sliding column to the outside of the limit block, avoiding the wire from being squeezed or obstructed when the sliding column moves, and ensuring the stability and reliability of signal transmission.

[0013] Furthermore, one end of the wire is connected to a controller, and a lamp bead is provided on the controller.

[0014] By adopting the above technical solution, one end of the wire is connected to the controller, realizing signal transmission between the strain gauge and the controller, so that the controller can receive and process the jaw pressure data detected by the strain gauge in real time.

[0015] Furthermore, three slideways and three positioning mechanisms are provided, and the three slideways and positioning mechanisms are evenly arranged in a ring shape.

[0016] By adopting the above technical solution, three slideways and corresponding positioning mechanisms are provided and evenly arranged in a ring shape, so that the positioning devices can be more evenly distributed on the chuck, thereby improving the clamping stability of the claws.

[0017] Furthermore, a clamp is fixedly connected to one side of the chuck.

[0018] By adopting the above technical solution, the fixed connection of the clamp provides a stable installation position for the controller, so that the controller can be firmly fixed on the chuck and is not easily fallen off or shifted due to machine vibration or improper operation.

[0019] In summary, the present invention has the following beneficial effects:

[0020] 1. The present invention forms a stable limiting structure by setting a positioning mechanism, including components such as a sliding column, a limiting platform and a limiting block, so that the sliding column can slide flexibly and stably inside the slideway, making it easy to adjust the position to accommodate claws of different sizes and shapes. The interference between the strain gauge and the claw mounting hole can detect the pressure of the claw in real time, and when the pressure reaches a preset value, the controller sends a signal to make the light bead light up, intuitively indicating that the claw is in a suitable clamping state, thereby ensuring the stability and safety of the processing process and improving the processing accuracy.

[0021] 2. The utility model is provided with a magnetic ring. After the positioning mechanism is adjusted into place, the magnetic ring can tighten the claws, providing an additional fixing force for the device. This ensures that the device will not fall off easily even if it is subject to vibration or external interference during the clamping process, thereby simplifying the installation steps of the operator and improving work efficiency.

[0022] 3. The utility model can firmly clamp the controller on the chuck by providing a clamp, ensuring that the controller will not fall or shift due to vibration, movement or other external factors when the clamping jaws are corrected. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the positioning mechanism of the utility model;

[0025] Figure 3 This is a half-section structural diagram of the positioning mechanism of the utility model;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the card clip of the present utility model.

[0027] In the figure: 1. Chuck; 2. Slide; 3. Positioning mechanism; 301. Sliding column; 302. Strain gauge; 303. Wire; 304. Limiting platform; 305. Magnetic ring; 306. Limiting block; 307. Second through hole; 308. First through hole; 4. Controller; 5. Lamp bead; 6. Clip. DETAILED DESCRIPTION

[0028] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the internal parts of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The following describes an embodiment of the present invention based on its overall structure.

[0032] Example 1:

[0033] A positioning device for a machine tool chuck, such as Figure 1-Figure 4 As shown, it includes a chuck 1, a slide 2 is provided on the chuck 1, and a positioning mechanism 3 is slidably connected inside the slide 2. The positioning mechanism 3 includes a sliding column 301, a first through hole 308 is provided inside the sliding column 301, one end of the sliding column 301 is fixedly connected to a strain gauge 302 by glue, and one end of the strain gauge 302 is fixedly connected to a wire 303. The sliding connection design of the sliding column 301 in the slide 2 enables the positioning mechanism 3 to flexibly adjust its position, thereby adapting to claws of different sizes and shapes, thereby improving the versatility and adaptability of the positioning device.

[0034] See Figure 1 、 Figure 2 and Figure 3 The outer side of the sliding column 301 is fixedly connected to the limit platform 304, and one side of the limit platform 304 is fixedly connected to a magnetic ring 305. The fixed connection of the magnetic ring 305 enables the positioning mechanism 3 to be more firmly adsorbed on the claw, so that it will not fall accidentally during the installation process, thereby improving the safety and stability of the installation process.

[0035] See Figure 1 、 Figure 2 and Figure 3The other end of the sliding column 301 is fixedly connected to the limiting block 306 by a screw. A second through hole 307 is opened inside the limiting block 306. The second through hole 307 opened inside the limiting block 306 is arranged opposite to the first through hole 308 inside the sliding column 301, allowing the wire 303 to pass through, so that the signal transmission between the strain gauge 302 and the controller 4 is smoother, ensuring the accuracy and real-time performance of the claw pressure detection.

[0036] See Figure 3 The first through hole 308 and the second through hole 307 are arranged opposite to each other, and the wire 303 extends to the outside of the limit block 306 through the first through hole 308 and the second through hole 307, making the structure of the entire positioning mechanism 3 more compact and orderly, improving space utilization, and making the positioning device of the machine tool chuck more tidy and easy to maintain.

[0037] See Figure 1 One end of the wire 303 is connected to a controller 4, on which a lamp bead 5 is provided. The lamp bead 5 provided on the controller 4 can be used as an intuitive indication method. When the pressure of the clamping claw reaches the preset clamping pressure, the controller 4 will send a signal to make the lamp bead 5 light up, thereby reminding the operator that the clamping claw is in a suitable clamping state and subsequent trimming work can be carried out.

[0038] See Figure 1 There are three slideways 2 and three positioning mechanisms 3, and the three slideways 2 and positioning mechanisms 3 are evenly arranged in a ring, so that the positioning device can adapt to claws of different sizes and shapes, enhancing its versatility and flexibility. During the machine tool processing, this kind of positioning mechanism 3 evenly arranged in a ring can better ensure the clamping effect of the claws, reduce the error and vibration caused by uneven clamping, thereby improving the processing accuracy and product quality.

[0039] The implementation principle of the present invention is as follows: first, the limit platform 304 and the limit block 306 form a limit, so that the sliding column 301 can slide inside the slide 2, and then the position of the sliding column 301 is adjusted so that the sliding column 301 is stuck in the mounting hole of the claw. At this time, the magnetic ring 305 sucks the claw tightly so that the device will not fall. Then the remaining two sliding columns 301 are stuck in the mounting holes of the claw. At this time, the strain gauge 302 and the mounting hole are in conflict, and then the chuck is locked. At this time, the strain gauge 302 detects the pressure of the claw. When the pressure of the claw reaches the clamping pressure preset by the device, the controller 4 sends a signal to make the lamp bead 5 light up. At this time, the pressure of the claw reaches the appropriate value and can be trimmed.

[0040] Example 2:

[0041] See Figure 4A clamp 6 is fixedly connected to one side of the chuck 1. The clamp 6 also makes the installation and removal of the controller 4 more convenient and quick, improves the convenience of use and maintenance efficiency of the positioning device, and the presence of the clamp 6 ensures that the controller 4 will not fall during the machine tool processing.

[0042] The implementation principle of the present invention is as follows: first, the clamp 6 can clamp the controller 4 on the chuck 1 to prevent the controller 4 from falling when the clamping jaws are corrected.

[0043] Parts not involved in the present invention are the same as those in the prior art or can be implemented by using the prior art, and will not be described in detail here.

[0044] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A positioning device for a machine tool chuck, characterized in that: The invention comprises a chuck (1), wherein a slideway (2) is provided on the chuck (1), a positioning mechanism (3) is slidably connected to the interior of the slideway (2), and the positioning mechanism (3) comprises a sliding column (301), a first through hole (308) is provided in the interior of the sliding column (301), one end of the sliding column (301) is fixedly connected to a strain gauge (302) by glue, and one end of the strain gauge (302) is fixedly connected to a wire (303).

2. The positioning device for a machine tool chuck according to claim 1, characterized in that: The outer side of the sliding column (301) is fixedly connected to a limiting platform (304), and one side of the limiting platform (304) is fixedly connected to a magnetic ring (305).

3. The positioning device for a machine tool chuck according to claim 1, characterized in that: The other end of the sliding column (301) is fixedly connected to the limiting block (306) by means of a screw, and a second through hole (307) is provided inside the limiting block (306).

4. The positioning device for a machine tool chuck according to claim 1, characterized in that: The first through hole (308) and the second through hole (307) are arranged opposite to each other, and the wire (303) extends to the outside of the limiting block (306) through the first through hole (308) and the second through hole (307).

5. The positioning device for a machine tool chuck according to claim 1, characterized in that: One end of the wire (303) is connected to a controller (4), and a lamp bead (5) is provided on the controller (4).

6. The positioning device for a machine tool chuck according to claim 1, characterized in that: Three slideways (2) and three positioning mechanisms (3) are provided, and the three slideways (2) and positioning mechanisms (3) are evenly arranged in a ring shape.

7. The positioning device for a machine tool chuck according to claim 1, characterized in that: A clamp (6) is fixedly connected to one side of the chuck (1).

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