Bar outer circle turning tool for numerical control lathe

Abstract

The bar outer circle turning tool for the numerical control lathe belongs to the technical field of bar machining and comprises a rotating machine and an electric sliding rail, a chuck mechanism is installed at the output end of the rotating machine, a bar is clamped in the chuck mechanism, a moving mechanism is slidably connected to the upper portion of the electric sliding rail, and a center mechanism is installed on the left side of the upper surface of the moving mechanism. The right side of the upper surface of the moving mechanism is provided with the clamping mechanism, the clamping mechanism is internally provided with the cutting mechanism, the electric sliding rail is located right in front of the rotating machine, and the center mechanism and the clamping mechanism are located at the symmetrical positions of the upper surface of the moving mechanism. The stability of a bar in the machining process is improved by arranging the reducing sleeve and the solid shaft in the chuck mechanism, the influence of a hard object on the tip is reduced by installing the tip sleeve on the tip, the turning tool is limited through the multiple limiting laser lamps, and the installation efficiency and the installation quality of the turning tool are improved.

Description

Technical Field

[0001] The present application relates to the technical field of bar processing, and in particular to a bar turning external cylindrical tooling for a CNC lathe. Background Art

[0002] Bar machining is a metal processing process, which refers to the process of cutting, grinding and other processing of bar-shaped metal materials on CNC machine tools (such as CNC lathes) to obtain parts of the required shape and size. External cylindrical tooling is a process equipment used for CNC lathe processing external cylindrical parts, mainly including tools, fixtures and measuring tools. Their function is to perform operations such as cutting, measuring and positioning on the workpiece on the CNC lathe to ensure that the size, shape and surface quality of the workpiece meet the design requirements.

[0003] When using a CNC lathe to process bar material, one end of the bar needs to be topped. The bar needs to be squeezed during the operation. However, due to the uncertain depth in the chuck of the CNC lathe, the bar may slip and experience unstable phenomena. Secondly, during the top operation, the top may easily touch the back of the tool, affecting the normal implementation of the top. Finally, the tool has high requirements for installation accuracy. During the installation process, it needs to be calibrated in multiple directions and angles to ensure the correctness of the tool installation angle and position. The process is relatively cumbersome. Utility Model Content

[0004] The present application provides a tool for turning external cylindrical parts of a bar for a CNC lathe to solve the problems mentioned in the above background technology.

[0005] In order to achieve the above purpose, this application adopts the following technical solutions:

[0006] A bar turning external cylindrical tooling for a CNC lathe comprises a turntable and an electric slide rail, a chuck mechanism being installed at the output end of the turntable, a bar being clamped inside the chuck mechanism, a moving mechanism being slidably connected above the electric slide rail, a top mechanism being installed on the left side of the upper surface of the moving mechanism, a clamping mechanism being installed on the right side of the upper surface of the moving mechanism, a cutting mechanism being installed in the clamping mechanism, the electric slide rail being located directly in front of the turntable, and the top mechanism and the clamping mechanism being located at symmetrical positions on the upper surface of the moving mechanism.

[0007] As a preferred embodiment, the chuck mechanism includes a rotary head, which is fixedly connected to the output end of the rotary machine, and an opening is opened in the middle of the front end of the rotary head. A three-jaw chuck is installed around the side of the opening, and the three-jaw chuck is installed around the front end of the rotary head. A reducing sleeve is installed inside the opening, and a solid shaft is installed inside the reducing sleeve, and the solid shaft is in contact with the rear end of the material rod.

[0008] By adopting the above technical solution, the chuck mechanism is responsible for fixing the bar.

[0009] As a preferred embodiment, the moving mechanism includes a support plate, a slide plate is fixedly connected to the bottom of the support plate, the lower end of the slide plate is slidably connected to the upper end of the electric slide rail, and four guide plates are arranged on the upper surface of the slide plate perpendicular to the support plate. The four guide plates are respectively arranged on both sides of the clamping mechanism and the top mechanism, and a column is hinged on the edge of one end of the upper surface of the slide near the clamping mechanism, and a third limiting laser light is installed on the end of the column away from the slide, and the bottom surface of the guide plate is fixedly connected to the rear side of the upper surface of the slide.

[0010] By adopting the above technical solution, the moving mechanism is responsible for transporting the clamping mechanism and the top mechanism as needed.

[0011] As a preferred embodiment, the clamping mechanism includes a square tool holder, a clamping opening is opened at the upper end of the square tool holder, a cutting mechanism is installed inside the clamping opening, two first limit laser lamps are installed on the side of the square tool holder close to the chuck mechanism and located at the edge below the clamping opening, a second limit laser lamp is installed on the side of the square tool holder away from the top mechanism and located at the edge below the clamping opening, a second electric telescopic rod is installed on the back of the square tool holder, and the second electric telescopic rod is installed on the side of the support plate away from the square tool holder at one end, the first limit laser lamp and the second limit laser lamp are both installed on the square tool holder, and the two sides of the lower end of the square tool holder are slidably connected to the two guide plates.

[0012] By adopting the above technical solution, the clamping mechanism is responsible for fixing and pushing the cutting mechanism to realize the outer circle operation of the bar.

[0013] As a preferred embodiment, the top mechanism includes a top sleeve, a top head is installed inside the top sleeve, the top head is fixedly connected to the tail stock output end at one end away from the top sleeve, a first electric telescopic rod is installed on the back of the tail stock, the first electric telescopic rod is installed on the side of the support plate at one end away from the tail stock, the horizontal height of the top sleeve is the same as the horizontal height of the third limiting laser light, and the lower end of the tail stock is slidably connected to two guide plates.

[0014] By adopting the above technical solution, the top mechanism is responsible for realizing the operation of giving the bar a top.

[0015] As a preferred embodiment, the cutting mechanism includes a turning tool, which is installed inside a clamping port. Two parallel limit lines are arranged on the front of the turning tool. The spacing between the two limit lines is the same as the spacing between the first limit laser light and the second limit laser light. A limit hole is provided at one end of the turning tool away from the cutting edge. The horizontal height of the cutting edge of the turning tool is the same as the horizontal height of the third limit laser light. A gasket is in contact between the lower surface of the turning tool and the clamping port.

[0016] By adopting the above technical solution, the cutting mechanism is responsible for realizing the outer circle operation of the bar.

[0017] Beneficial effects of this application:

[0018] 1. The CNC lathe bar turning external cylindrical tooling is equipped with a reducing sleeve inside the chuck mechanism, and a solid shaft is placed in the middle of the reducing sleeve to control the end face depth of the workpiece inside the chuck mechanism. When the top of the bar is operated, the top squeezes the bar, and the bar transfers the pressure to the solid shaft, thereby ensuring the stability of the bar during the implementation process;

[0019] 2. The CNC lathe uses bar material turning external cylindrical tooling to install a center sleeve at the center. The center sleeve protects the center and reduces the impact of external hard objects on the center without affecting its normal work. The deflection angle of the turning tool is determined by the first limit laser light, the lateral position of the turning tool is determined by the second limit laser light, and the height of the turning tool is determined by the third limit laser light. The installation position of the turning tool is limited from multiple angles, which reduces the probability of turning tool installation errors and improves the installation efficiency and quality of the turning tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of this application;

[0021] Figure 2 This is a schematic diagram of the clamping mechanism structure of the present application;

[0022] Figure 3 This is a schematic diagram of the longitudinal section structure of this application.

[0023] Numbers in the figure: 1. Turntable; 2. Chuck mechanism; 201. Turntable; 202. Three-jaw chuck; 203. Reducing sleeve; 204. Solid shaft; 3. Rod; 4. Centering mechanism; 401. Centering sleeve; 402. Centering head; 403. Tail stock; 404. First electric telescopic rod; 5. Clamping mechanism; 501. Square tool holder; 502. Clamping mouth; 503. First limit laser light; 504. Second limit laser light; 505. Second electric telescopic rod; 6. Moving mechanism; 601. Support plate; 602. Slide plate; 603. Guide plate; 604. Column; 605. Third limit laser light; 7. Electric slide rail; 8. Cutting mechanism; 801. Turning tool; 802. Limit line; 803. Limit hole; 9. Gasket. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0025] Reference Figure 1-3The tooling for turning external circles of bars for CNC lathes comprises a turntable 1 and an electric slide rail 7. A chuck mechanism 2 is installed at the output end of the turntable 1, and a bar 3 is clamped inside the chuck mechanism 2. A moving mechanism 6 is slidably connected above the electric slide rail 7. A top mechanism 4 is installed on the left side of the upper surface of the moving mechanism 6, and a clamping mechanism 5 is installed on the right side of the upper surface of the moving mechanism 6. A cutting mechanism 8 is installed in the clamping mechanism 5. The electric slide rail 7 is located right in front of the turntable 1, and the top mechanism 4 and the clamping mechanism 5 are located at symmetrical positions on the upper surface of the moving mechanism 6.

[0026] Reference Figure 1-3 The chuck mechanism 2 includes a rotary head 201, which is fixedly connected to the output end of the rotary machine 1. An opening is provided in the middle of the front end of the rotary head 201, and a three-jaw chuck 202 is installed around the side of the opening. The three-jaw chuck 202 is installed around the front end of the rotary head 201, and a reducing sleeve 203 is installed inside the opening. A solid shaft 204 is installed inside the reducing sleeve 203, and the solid shaft 204 contacts the rear end of the material rod. The solid shaft 204 is installed inside the reducing sleeve 203, and the reducing sleeve 203 is installed inside the rotary head 201. Finally, the bar 3 is installed. The three-jaw chuck 202 shrinks to reduce the inner diameter of the reducing sleeve 203, and begins to squeeze and install the bar 3, thereby achieving the fixation of the bar 3.

[0027] Reference Figure 1-3 The moving mechanism 6 includes a support plate 601, a slide plate 602 is fixedly connected to the bottom of the support plate 601, the lower end of the slide plate 602 is slidably connected to the upper end of the electric slide rail 7, and four guide plates 603 are arranged on the upper surface of the slide plate 602 perpendicular to the support plate 601. The four guide plates 603 are respectively arranged on both sides of the clamping mechanism 5 and the top mechanism 4. A column 604 is hinged on the edge of one end of the upper surface of the slide plate 602 close to the clamping mechanism 5. The third limit laser lamp 605 is installed on the end of the column 604 away from the slide plate 602. The bottom surface of the guide plate 603 is fixedly connected to the rear side of the upper surface of the slide plate 602. When the bar 3 is fixed, the electric slide rail 7 drives the slide plate 602 to move to the left, so that the clamping mechanism 5 moves to the front of the chuck mechanism 2 until the cutting mechanism 8 installed on the clamping mechanism 5 corresponds to the position of the bar 3, that is, the handling of the clamping mechanism 5 is completed.

[0028] Reference Figure 1-3The clamping mechanism 5 includes a square tool holder 501, a clamping opening 502 is opened at the upper end of the square tool holder 501, and a cutting mechanism 8 is installed inside the clamping opening 502. Two first limit laser lamps 503 are installed on the side of the square tool holder 501 close to the chuck mechanism 2 and at the edge below the clamping opening 502. A second limit laser lamp 504 is installed on the side of the square tool holder 501 away from the top mechanism 4 and at the edge below the clamping opening 502. A second electric telescopic rod 505 is installed on the back of the square tool holder 501, and the end of the second electric telescopic rod 505 away from the square tool holder 501 is installed on the side of the support plate 601. The first limit laser lamp 503 and the second limit laser lamp 504 are both installed on the square tool holder 501, and the two sides of the lower end of the square tool holder 501 are slidably connected with the two guide plates 603. The second electric telescopic rod 505 extends until the clamping mechanism 5 pushes the cutting mechanism 8 to the side of the bar 3. The turntable 1 drives the chuck mechanism 2 to rotate, so that the cutting mechanism 8 starts to cut the side of the bar 3. At the same time, the second electric telescopic rod 505 slowly extends, so that the cutting mechanism 8 continuously cuts the side of the bar 3 along the side direction of the bar 3, thereby realizing the outer circle operation of the bar 3. After the cutting operation is completed, the second electric telescopic rod 505 contracts and drives the clamping mechanism 5 to move backward, thereby completing the outer circle operation of the bar 3.

[0029] Reference Figure 1-3 The top mechanism 4 includes a top sleeve 401, a top head 402 is installed inside the top sleeve 401, the top head 402 is fixedly connected to the output end of the tail stock 403 at one end away from the top sleeve 401, a first electric telescopic rod 404 is installed on the back of the tail stock 403, and the first electric telescopic rod 404 is installed on the side of the support plate 601 at one end away from the tail stock 403, the horizontal height of the top sleeve 401 is the same as the horizontal height of the third limiting laser lamp 605, and the lower end of the tail stock 403 is slidably connected to the two guide plates 603. After the outer circle operation is completed, the moving mechanism 6 pushes the top mechanism 4 to the front of the rod 3. A motor is arranged inside the tailstock 403. The output end of the motor is fixedly connected to the top head 402. The output end of the motor drives the top head 402 to rotate, and the top head 402 drives the top sleeve 401 to rotate. The first electric telescopic rod 404 extends to indirectly push the top sleeve 401 to drill one end of the rod 3. The rod 3 is fixed by the reducing sleeve 203 and the solid shaft 204, thereby realizing the operation of giving the rod 3 a top. After the top operation is completed, the first electric telescopic rod 404 contracts to drive the top sleeve 401 away from the rod 3, thus completing the operation of giving the rod 3 a top.

[0030] Reference Figure 1-3The cutting mechanism 8 includes a turning tool 801, which is installed inside the clamping port 502. Two parallel limit lines 802 are arranged on the front of the turning tool 801. The distance between the two limit lines 802 is the same as the distance between the first limit laser light 503 and the second limit laser light 504. A limit hole 803 is provided at the end of the turning tool 801 away from the blade. The horizontal height of the blade of the turning tool 801 is the same as the horizontal height of the third limit laser light 605. A gasket 9 is in contact between the lower surface of the turning tool 801 and the clamping port 502. During the installation of the turning tool 801, first place the turning tool 801 and the gasket 9 together inside the clamping opening 502 so that the turning tool 801 is located above the gasket 9, and fix the turning tool 801 and the gasket 9 by the bolts on the upper end of the square tool holder 501, turn on the two first limit laser lamps 503, and place the two limit lines 802 on the front of the turning tool 801 in the laser beam of the first limit laser lamp 503, turn on the second limit laser lamp 504, align the limit hole 803 of the turning tool 801 with the laser beam of the second limit laser lamp 504, turn on the third limit laser lamp 605, and erect the column 604 in the vertical direction, make sure that the laser of the third limit laser lamp 605 hits the middle of the top sleeve 401, and at the same time align the middle of the blade of the turning tool 801 with the laser emitted by the third limit laser lamp 605, and the installation of the cutting mechanism 8 is completed.

[0031] Working principle: During the installation of the turning tool 801, first place the turning tool 801 and the gasket 9 together inside the clamping opening 502, so that the turning tool 801 is located on the gasket 9, and the turning tool 801 and the gasket 9 are clamped inside the clamping opening 502 by the bolts on the square tool holder 501, and the turning tool 801 and the gasket 9 are fixed by the bolts on the upper end of the square tool holder 501, and the two first limit laser lights 503 are turned on, and the two limit lines 802 on the front of the turning tool 801 are placed on the first limit laser lights 503. In the laser beam of the limiting laser lamp 503, turn on the second limiting laser lamp 504, align the limiting hole 803 of the turning tool 801 with the laser beam of the second limiting laser lamp 504, turn on the third limiting laser lamp 605, and stand up the column 604 in the vertical direction, make sure that the laser of the third limiting laser lamp 605 hits the middle of the top sleeve 401, and at the same time align the middle of the cutting edge of the turning tool 801 with the laser emitted by the third limiting laser lamp 605, and the installation of the cutting mechanism 8 is completed;

[0032] The solid shaft 204 is installed inside the reducing sleeve 203, and the reducing sleeve 203 is installed inside the rotary head 201, and finally the bar 3 is installed. The three-jaw chuck 202 contracts to reduce the inner diameter of the reducing sleeve 203, and begins to squeeze and install the bar 3, thereby achieving the fixation of the bar 3. When the bar 3 is fixed, the electric slide rail 7 drives the slide plate 602 to move to the left, so that the clamping mechanism 5 moves to the front of the chuck mechanism 2, until the cutting mechanism 8 installed on the clamping mechanism 5 corresponds to the position of the bar 3, that is, the handling of the clamping mechanism 5 is completed;

[0033] The second electric telescopic rod 505 extends until the clamping mechanism 5 pushes the cutting mechanism 8 to the side of the bar 3. The turntable 1 drives the chuck mechanism 2 to rotate, so that the cutting mechanism 8 starts to cut the side of the bar 3. At the same time, the second electric telescopic rod 505 slowly extends, so that the cutting mechanism 8 continuously cuts the side of the bar 3 along the side direction of the bar 3, thereby realizing the outer circle operation of the bar 3. After the cutting operation is completed, the second electric telescopic rod 505 contracts and drives the clamping mechanism 5 to move backward, thereby completing the outer circle operation of the bar 3. After the outer circle operation is completed, the moving mechanism 6 pushes the top mechanism 4 to the front of the rod 3, and a motor is arranged inside the tailstock 403. The output end of the motor drives the top head 402 to rotate, and the top head 402 drives the top sleeve 401 to rotate. The first electric telescopic rod 404 extends and indirectly drives the top sleeve 401 to drill one end of the rod 3. The rod 3 is fixed due to the action of the reducing sleeve 203 and the solid shaft 204, thereby realizing the operation of giving the rod 3 a top. After the top operation is completed, the first electric telescopic rod 404 contracts and drives the top sleeve 401 away from the rod 3, thus completing the operation of giving the rod 3 a top.

[0034] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A tool for turning external cylindrical parts of a bar for a CNC lathe, comprising a turning machine (1) and an electric slide rail (7), characterized in that: A chuck mechanism (2) is installed at the output end of the rotary machine (1), a bar material (3) is clamped inside the chuck mechanism (2), a moving mechanism (6) is slidably connected above the electric slide rail (7), a top mechanism (4) is installed on the left side of the upper surface of the moving mechanism (6), a clamping mechanism (5) is installed on the right side of the upper surface of the moving mechanism (6), a cutting mechanism (8) is installed in the clamping mechanism (5), the electric slide rail (7) is located directly in front of the rotary machine (1), and the top mechanism (4) and the clamping mechanism (5) are located at symmetrical positions on the upper surface of the moving mechanism (6).

2. The tooling for turning external cylindrical parts of bars for CNC lathes according to claim 1, characterized in that: The chuck mechanism (2) comprises a rotary head (201), the rotary head (201) being fixedly connected to the output end of the rotary machine (1), an opening being provided in the middle of the front end of the rotary head (201), a three-jaw chuck (202) being mounted around the side of the opening, the three-jaw chuck (202) being mounted around the front end of the rotary head (201), a reducing sleeve (203) being mounted inside the opening, a solid shaft (204) being mounted inside the reducing sleeve (203), and the solid shaft (204) being in contact with the rear end of the material rod.

3. The tooling for turning external cylindrical parts of bars for CNC lathes according to claim 1, characterized in that: The moving mechanism (6) comprises a support plate (601), a slide plate (602) is fixedly connected to the bottom of the support plate (601), the lower end of the slide plate (602) is slidably connected to the upper end of the electric slide rail (7), the upper surface of the slide plate (602) is provided with four guide plates (603) arranged perpendicular to the support plate (601), the four guide plates (603) are respectively arranged on both sides of the clamping mechanism (5) and the top mechanism (4), a column (604) is hingedly connected to the edge of one end of the upper surface of the slide plate (602) close to the clamping mechanism (5), a third limiting laser lamp (605) is installed at the end of the column (604) away from the slide plate (602), and the bottom surface of the guide plate (603) is fixedly connected to the rear side of the upper surface of the slide plate (602).

4. The tooling for turning external cylindrical parts of bars for CNC lathes according to claim 3 is characterized in that: The clamping mechanism (5) comprises a square tool holder (501), a clamping opening (502) is provided at the upper end of the square tool holder (501), a cutting mechanism (8) is installed inside the clamping opening (502), two first position-limiting laser lamps (503) are installed on the side of the square tool holder (501) close to the chuck mechanism (2) and located at the lower edge of the clamping opening (502), a second position-limiting laser lamp (504) is installed on the side of the square tool holder (501) away from the top mechanism (4) and located at the lower edge of the clamping opening (502), a second electric telescopic rod (505) is installed on the back of the square tool holder (501), and the end of the second electric telescopic rod (505) away from the square tool holder (501) is installed on the side of the support plate (601), the first position-limiting laser lamp (503) and the second position-limiting laser lamp (504) are both installed on the square tool holder (501), and the two sides of the lower end of the square tool holder (501) are slidably connected to the two guide plates (603).

5. The tooling for turning external cylindrical parts of bars for CNC lathes according to claim 3, characterized in that: The top mechanism (4) comprises a top sleeve (401), a top head (402) is installed inside the top sleeve (401), an end of the top head (402) away from the top sleeve (401) is fixedly connected to the output end of the tail stock (403), a first electric telescopic rod (404) is installed on the back of the tail stock (403), and an end of the first electric telescopic rod (404) away from the tail stock (403) is installed on the side of the support plate (601), the horizontal height of the top sleeve (401) is the same as the horizontal height of the third limit laser lamp (605), and the lower end of the tail stock (403) is slidably connected to the two guide plates (603).

6. The tooling for turning external cylindrical parts of bars for CNC lathes according to claim 4, characterized in that: The cutting mechanism (8) comprises a turning tool (801), the turning tool (801) being installed inside a clamping opening (502), two parallel limit lines (802) being arranged on the front of the turning tool (801), the spacing between the two limit lines (802) being the same as the spacing between a first limit laser light (503) and a second limit laser light (504), a limit hole (803) being arranged at one end of the turning tool (801) away from the cutting edge, the horizontal height of the cutting edge of the turning tool (801) being the same as the horizontal height of the third limit laser light (605), and a gasket (9) being in contact between the lower surface of the turning tool (801) and the clamping opening (502).

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