Tool clamp for machining cylinder body of numerical control lathe

The combination of the clamping device and the limiting device solves the problem that the existing tooling fixture is difficult to clamp the cylinder body and the cylinder body with irregular shape, realizes stable limiting clamping and height adjustment of the cylinder body, and improves the stability and applicability of processing.

CN120645015AInactive Publication Date: 2025-09-16SHANDONG HEISHI POWER TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202410255738.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-03-06
Publication Date
2025-09-16
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing fixtures are difficult to effectively clamp cylinder bodies and cylinder bodies with irregular shapes.

Method used

The clamping device and the limiting device are used to realize the limiting clamping of the cylinder body on all sides through the combination of the first cylinder, the movable plate, the fixed plate and the power device, and the height of the clamp is adjusted by the hydraulic telescopic frame and the universal wheel.

Benefits of technology

It achieves stable clamping of cylinders of different shapes and improves processing stability and applicability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120645015A_ABST
    Figure CN120645015A_ABST
Patent Text Reader

Abstract

The invention is suitable for the field of tool clamps, and provides a tool clamp for machining a cylinder body of a numerically controlled lathe, the tool clamp comprises a clamping device, the clamping device is installed on a tool clamp main body and comprises a first air cylinder, a movable plate, a fixed plate and a buffer device, the first air cylinder is arranged on the movable plate and the fixed plate, and the buffer device is arranged on the movable plate and the fixed plate. During working, the first air cylinder extrudes the cylinder body, and the periphery of the cylinder body is limited and clamped under the extrusion effect; through the arrangement of the first air cylinder, cylinder bodies in different shapes can be clamped; the limiting device is arranged on the tool clamp body and comprises a cylinder body fixing plate, a limiting hole, a fixing bolt and a sliding plate, cylinder bodies of different shapes can be fixed through the fixing plate, the limiting hole and the fixing bolt, and then the cylinder bodies are driven to move through the sliding plate; and then the first air cylinders arranged on the movable plate and the fixed plate in an array mode are driven to extrude the cylinder body, and therefore the periphery of the cylinder body is limited and clamped.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of fixtures, and more specifically, to a fixture for machining a cylinder body of a numerically controlled lathe. Background Art

[0002] Fixtures are tools and equipment used to secure, clamp, position, and support workpieces in industrial production. Typically made of metal, they are durable, precise, and reliable, making them widely used in production processes across various industries. They can be used for various machining processes, including milling, turning, drilling, and grinding. Fixtures play a vital role in the manufacturing industry, ensuring the stability and precision of workpieces during machining, improving production efficiency and quality. The design and manufacture of fixtures must take into account the shape, size, and machining requirements of the workpiece, as well as the characteristics and requirements of the production line.

[0003] The existing fixtures cannot well clamp the cylinder body and the cylinder body with irregular shape. For example, the Chinese patent document discloses "A fixture for CNC machine tools" (authorization announcement number: CN219562263U), which includes: a fixture for CNC machine tools, including two fixed plates, an L-shaped plate body, a roller shaft, a plate body, two fixed components and a fixture chuck, wherein the L-shaped plate body is arranged on the two fixed plates; the roller shaft is rotatably arranged on the L-shaped plate body; the plate body is arranged on the roller shaft, and the roller shaft is located in the middle of the plate body; the two fixed components are both arranged on the L-shaped plate body, and the fixed components pass through the L-shaped plate body, wherein the plate body is clamped with the L-shaped plate body through a fixed component; the fixture chuck is arranged on the plate body. The tooling fixture for CNC machine tools in the embodiment of the present invention rotates the fixture chuck and the plate body around the roller shaft, and uses a fixing component to fix the plate body, so that the fixture chuck can maintain vertical and horizontal directions, so that workers can choose the appropriate workpiece fixing direction according to processing needs, thereby expanding the scope of application of the CNC machine tool; this patent also has the problem that the tooling fixture cannot clamp the cylinder body and the cylinder body with irregular shape well.

[0004] Therefore, in order to solve the problem that the fixture cannot well clamp the cylinder body and the cylinder body with irregular shape, the present invention provides a fixture for processing the cylinder body of a CNC lathe. Summary of the Invention Technical issues

[0005] The purpose of the present invention is to solve the shortcomings of the prior art: some fixtures cannot clamp the cylinder body and the cylinder body with irregular shape well, and propose a fixture for processing the cylinder body of a CNC lathe. Technical Solution

[0006] A fixture for machining a cylinder body of a CNC lathe, comprising: The clamping device is installed on the fixture body and includes a first cylinder, a movable plate, a fixed plate, and a buffer device. The first cylinder is arranged on the movable plate and the fixed plate. When working, the first cylinder squeezes the cylinder body and clamps the cylinder body around the periphery under the action of squeezing. The first cylinder can be used to clamp cylinder bodies of different shapes. The limiting device is arranged on the main body of the work fixture, and includes a cylinder fixing plate, a limiting hole, a fixing bolt, and a slide plate. The cylinders of different shapes can be fixed by the fixed plate, the limiting hole, and the fixing bolt, and then the movement of the cylinder is driven by the slide plate, and then the first cylinder arranged in an array on the movable plate and the fixed plate is driven to squeeze the cylinder, thereby achieving the limit clamping of the cylinder around.

[0007] A further technical solution is that the movable plate is installed on the fixture body, and the first cylinders are evenly distributed on one side of the movable plate. The first cylinders are set to different lengths and an elastic rubber ring is set at the top to clamp cylinder bodies of different shapes.

[0008] According to a further technical solution, a power device is installed on the other side of the movable plate. Under the action of the power device, the movable plate moves on the fixture body, and then the first cylinder moves toward the cylinder body under the action of the movable plate.

[0009] A further technical solution is that the power device is provided with a fixed plate A, a motor and a second cylinder. The fixed plate A is installed on one side of the work fixture body, and the motors are evenly distributed on the fixed plate A, and the motors provide power for the movement of the movable plate; there are several motors, one end of the motor is connected to the fixed plate A, and the other end is fixed to the second cylinder; one end of the second cylinder is connected to the movable plate.

[0010] A further technical solution is that the fixed plate is installed on one side of the work fixture body, and a buffer device is provided on the fixed plate. The buffer device is provided with a spring, a telescopic rod and a fixed support plate, and the telescopic rod is provided inside the spring; there are several springs and telescopic rods, and they are evenly distributed on the fixed support plate.

[0011] According to a further technical solution, a plurality of first cylinders are provided and the first cylinders are distributed in an array on the movable plate and the fixed support plates provided on the fixed plate.

[0012] According to a further technical solution, the cylinder body is connected to a cylinder body fixing plate, and a circular limiting hole is provided on the upper surface of the cylinder body fixing plate; a fixing bolt is sleeved on the circular limiting hole provided on the upper surface of the cylinder body fixing plate; and the fixing bolt is fixedly mounted on the slide plate.

[0013] According to a further technical solution, slide rails are provided on both sides of the slide plate, which are slidably connected to a fixture frame provided on the fixture body. The slide plate moves through the slide rails, thereby driving the movement of the cylinder fixing plate and the movement of the cylinder fixed on the cylinder fixing plate.

[0014] A further technical solution is that the clamp frame is arranged at the lower end of the tooling fixture body, and the clamp frame includes a base, a hydraulic telescopic frame and a universal wheel. One end of the hydraulic telescopic frame is connected to the base, and the other end of the hydraulic telescopic frame is equipped with a universal wheel; there are four hydraulic telescopic frames and universal wheels, and they are arranged at the four corners of the base to provide stability for the tooling fixture body; the hydraulic telescopic frame is arranged to be retractable, and the retractable hydraulic telescopic frame adjusts the height according to different usage environments. During work, the clamp frame adjusts the height through the hydraulic telescopic frame to increase the usage scenarios.

[0015] A further technical solution is that the cylinder body is connected to a cylinder body fixing plate provided with a limit device, the cylinder body fixing plate is fixedly installed on the slide, and the slide rail is slidably connected to a base provided with a clamp frame; the clamping device is installed on one side of the base provided with the clamp frame, and a power device is installed on the other side of the base provided with the clamp frame; a movable plate is installed on the power device; a first cylinder is arrayed on the movable plate and the fixed plate; when working, under the action of the power device, the movable plate moves forward, and the first cylinder provided on the movable plate will squeeze the cylinder body, and under the squeezing effect, the slide will also move forward, so that the first cylinder arrayed on the movable plate and the fixed plate squeezes the cylinder body, thereby achieving limited clamping of the cylinder body around.

[0016] Compared with the prior art, the fixture for machining a cylinder body of a CNC lathe of the present invention has the following features: Through the action of the power device, the movable plate provided on the clamping device moves forward, and the first cylinder provided on the movable plate squeezes the cylinder body. Under the squeezing effect, the slide plate also moves forward, so that the first cylinders arranged in an array on the movable plate and the fixed plate squeeze the cylinder body, thereby achieving limited clamping around the cylinder body; The clamp frame is equipped with a hydraulic telescopic frame and a universal wheel. When working, the clamp frame can adjust the height through the hydraulic telescopic frame, which increases the usage scenarios and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a fixture for machining a cylinder body of a CNC lathe according to the present invention; Figure 2 for Figure 1 Schematic diagram of the middle fixture frame structure; Figure 3 for Figure 1 Schematic diagram of the structure of the middle clamping device; Figure 4for Figure 1 Schematic diagram of the power unit structure; Figure 5 for Figure 1 Schematic diagram of the structure of the middle limit device; Figure 6 for Figure 1 Schematic diagram of the structure of the middle buffer device; In the accompanying drawings: 1-cylinder body, 2-clamping device, 201-first cylinder, 202-movable plate, 203-fixed plate, 204-buffer device, 2041-spring, 2042-telescopic rod, 2043-fixed support plate, 3-power device, 301-fixed plate A, 302-second cylinder, 303-motor, 4-limiting device, 401-cylinder body fixed plate, 402-limiting hole, 403-fixing bolt, 404-slide plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] like Figure 1-6 Shown: A fixture for machining a cylinder body of a CNC lathe, comprising: The clamping device 2 is installed on the fixture body, including a first cylinder 201, a movable plate 202, a fixed plate 203, and a buffer device 204. The first cylinder 201 is arranged on the movable plate 202 and the fixed plate 203. When working, the first cylinder 201 will squeeze the cylinder body 1, and under the action of squeezing, the cylinder body 1 is limited and clamped around. By setting the first cylinder 201, cylinder bodies 1 of different shapes can be clamped; the limiting device 4 is arranged on the fixture body, including a cylinder body fixed plate 401, a limiting hole 402, a fixing bolt 403, and a slide plate 404. By setting the fixing plate 401, the limiting hole 402, and the fixing bolt 403, the limiting device 4 is arranged on the fixture body, including a cylinder body fixed plate 401, a limiting hole 402, a fixing bolt 403, and a slide plate 404. 3 can fix cylinder bodies 1 of different shapes, and then drive the movement of the cylinder body 1 through the slide plate 404 provided, and then drive the first cylinder 201 arranged in an array on the movable plate 202 and the fixed plate 203 to squeeze the cylinder body, thereby achieving the limit clamping of the cylinder body around; the movable plate 202 is installed on the fixture body, and the first cylinders 201 are evenly arranged on one side of the movable plate 202. The first cylinders 201 are set to different lengths and have elastic rubber rings on the top, which can clamp cylinder bodies 1 of different shapes; the other side of the movable plate 202 is installed with a power device 3. Under the action of the power device 3, the movable plate 202 moves on the fixture body, and then the first cylinder 201 is The movable plate 202 moves toward the cylinder body 1 under the action of the movable plate 202; the power device 3 is provided with a fixed plate A301, a motor 303 and a second cylinder 302, the fixed plate A301 is installed on one side of the fixture body, and the motors 303 are evenly distributed on the fixed plate A301, and the motors 303 provide power for the movement of the movable plate 202; there are several motors 303, one end of the motor 303 is connected to the fixed plate A301, and the other end is fixed to the second cylinder 302; one end of the second cylinder 302 is connected to the movable plate 202; the cylinder body 1 is connected to the cylinder body fixed plate 401 provided with the limit device 4, the cylinder body fixed plate 401 is fixedly installed on the slide plate 404, and the slide rail 405 is slidably connected to the fixture frame 5 is provided on a base 501; the clamping device 2 is installed on one side of the base 501 provided on the clamp frame 5, and the power device 3 is installed on the other side of the base 501 provided on the clamp frame 5; the movable plate 202 is installed on the power device 3; the first cylinders 201 are arranged in an array on the movable plate 202 and the fixed plate 203; when working, under the action of the power device 3, the movable plate 202 moves forward, and the first cylinder 201 provided on the movable plate 202 will squeeze the cylinder body. Under the squeezing effect, the slide plate 404 will also move forward, so that the first cylinders 201 arranged in an array on the movable plate 202 and the fixed plate 203 will squeeze the cylinder body, thereby achieving the limit clamping of the cylinder body on all sides.

[0020] The fixed plate 203 is installed on one side of the fixture body, and a buffer device 204 is provided on the fixed plate 203. The buffer device 204 is provided with a spring 2041, a telescopic rod 2042 and a fixed support plate 2043. The telescopic rod 2042 is provided inside the spring 2041; there are a plurality of springs 2041 and telescopic rods 2042, which are evenly distributed on the fixed support plate 2043; there are a plurality of first cylinders 201, and the array is distributed on the fixed support plates 2043 provided on the movable plate 202 and the fixed plate 203; the cylinder body 1 is connected to On the cylinder body fixing plate 401, a circular limiting hole 402 is provided on the upper surface of the cylinder body fixing plate 401; a fixing bolt 403 is sleeved on the circular limiting hole 402 on the upper surface of the cylinder body fixing plate 401; the fixing bolt 403 is fixedly installed on the slide plate 404; sliding rails 405 are provided on both sides of the slide plate 404, and the sliding rails 405 are slidably connected to the fixture frame 5 provided on the tooling fixture body. The slide plate 404 moves through the sliding rails 405, thereby driving the movement of the cylinder body fixing plate 401, and driving the movement of the cylinder body 1 fixed on the cylinder body fixing plate 401.

[0021] The clamp frame 5 is arranged at the lower end of the tooling fixture body, and the clamp frame 5 includes a base 501, a hydraulic telescopic frame 502 and a universal wheel 503. One end of the hydraulic telescopic frame 502 is connected to the base 501, and the other end of the hydraulic telescopic frame 502 is installed with a universal wheel 503; there are four hydraulic telescopic frames 502 and universal wheels 503, and they are arranged at the four corners of the base 501 to provide stability for the tooling fixture body; the hydraulic telescopic frame 502 is set to be retractable, and the retractable hydraulic telescopic frame 502 adjusts its height according to different usage environments. When working, the clamp frame 5 adjusts its height through the hydraulic telescopic frame 502 to increase the usage scenarios.

[0022] The working principle of the present invention is: a water level monitoring device for water conservancy projects has: Through the action of the power device 3, the movable plate 202 provided on the clamping device 2 moves forward, and the first cylinder 201 provided on the movable plate 202 squeezes the cylinder body 1. Under the squeezing effect, the slide plate 404 also moves forward, so that the first cylinders 201 arranged in an array on the movable plate 202 and the fixed plate 203 squeeze the cylinder body, thereby achieving limited clamping of the cylinder body on all sides; The clamp frame 5 is provided with a hydraulic telescopic frame 502 and a universal wheel 503. When working, the clamp frame 5 can adjust its height through the hydraulic telescopic frame 502, which increases the use scenarios and is more practical.

[0023] 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 scope of protection of the present invention.

Claims

1. A fixture for machining a cylinder body of a CNC lathe, characterized in that: Fixture body; A clamping device (2), the clamping device (2) being mounted on a fixture body, the clamping device (2) comprising a first cylinder (201), a movable plate (202), a fixed plate (203), and a buffer device (204), wherein the first cylinder (201) is disposed on the movable plate (202) and the fixed plate (203), and when in operation, the first cylinder (201) squeezes the cylinder body (1), thereby clamping the cylinder body (1) in a limited manner on all sides under the action of the squeezing; A limiting device (4) is provided on the fixture body, and the limiting device (4) comprises a cylinder body fixing plate (401), a limiting hole (402), a fixing bolt (403), and a slide plate (404). The limiting device (4) can fix cylinder bodies (1) of different shapes through the fixing plate (401), the limiting hole (402), and the fixing bolt (403), and drives the movement of the cylinder body (1) through the slide plate (404).

2. A fixture for machining a cylinder body of a CNC lathe according to claim 1, characterized in that: The movable plate (202) is mounted on the fixture body, and the first cylinders (201) are evenly distributed on one side of the movable plate (202). An elastic rubber ring is provided at the top of the first cylinder (201), which can clamp cylinder bodies (1) of different shapes.

3. A fixture for machining a cylinder block of a CNC lathe according to claim 2, characterized in that: A power device (3) is installed on the other side of the movable plate (202). Under the action of the power device (3), the movable plate (202) moves on the fixture body, and the first cylinder (201) moves toward the cylinder body (1) under the action of the movable plate (202).

4. A fixture for machining a cylinder block of a CNC lathe according to claim 3, characterized in that: The power device (3) is provided with a fixed plate A (301), a motor (303) and a second cylinder (302). The fixed plate A (301) is installed on one side of the fixture body. The motors (303) are evenly distributed on the fixed plate A (301). The motors (303) provide power for the movement of the movable plate (202). There are a plurality of motors (303). One end of the motor (303) is connected to the fixed plate A (301) and the other end is fixed to the second cylinder (302). One end of the second cylinder (302) is connected to the movable plate (202).

5. The fixture for machining a cylinder block of a CNC lathe according to claim 1, characterized in that: The fixing plate (203) is mounted on one side of the fixture body. A buffer device (204) is provided on the fixing plate (203). The buffer device (204) is provided with a spring (2041), a telescopic rod (2042) and a fixing support plate (2043). The telescopic rod (2042) is arranged inside the spring (2041). A plurality of springs (2041) and telescopic rods (2042) are provided and are evenly distributed on the fixing support plate (2043).

6. A fixture for machining a cylinder block of a CNC lathe according to any one of claim 1, characterized in that: A plurality of the first cylinders (201) are provided, and the array is distributed on the movable plate (202) and the fixed support plate (2043) provided on the fixed plate (203).

7. The fixture for machining a cylinder block of a CNC lathe according to claim 1, characterized in that: The cylinder body (1) is connected to a cylinder body fixing plate (401), and a circular limiting hole (402) is provided on the upper surface of the cylinder body fixing plate (401); a fixing bolt (403) is sleeved on the circular limiting hole (402) provided on the upper surface of the cylinder body fixing plate (401); and the fixing bolt (403) is fixedly mounted on the slide plate (404).

8. The fixture for machining a cylinder body of a CNC lathe according to claim 1, characterized in that: Slide rails (405) are provided on both sides of the slide plate (404), and the slide rails (405) are slidably connected to a fixture frame (5) provided on the fixture body. The slide plate (404) moves via the slide rails (405), thereby driving the movement of the cylinder body fixing plate (401) and the movement of the cylinder body (1) fixed on the cylinder body fixing plate (401).

9. The fixture for machining a cylinder body of a CNC lathe according to claim 8, characterized in that: The fixture frame (5) is arranged at the lower end of the tooling fixture body, and the fixture frame (5) includes a base (501), a hydraulic telescopic frame (502) and a universal wheel (503). One end of the hydraulic telescopic frame (502) is connected to the base (501), and the other end of the hydraulic telescopic frame (502) is installed with a universal wheel (503). Four hydraulic telescopic frames (502) and universal wheels (503) are provided and arranged at the four corners of the base (501). The hydraulic telescopic frame (502) is configured to be telescopic. The telescopic hydraulic telescopic frame (502) can adjust its height according to different usage environments. The fixture frame 5 adjusts its height through the hydraulic telescopic frame 502, thereby increasing usage scenarios.

10. The fixture for machining a cylinder body of a CNC lathe according to claim 1, characterized in that: The cylinder body (1) is connected to a cylinder body fixing plate (401) provided on the limiting device (4), the cylinder body fixing plate (401) is fixedly installed on the slide plate (404), and the slide rail (405) is slidably connected to a base (501) provided on the clamp frame (5); the clamping device (2) is installed on one side of the base (501) provided on the clamp frame (5), and a power device (3) is installed on the other side of the base (501) provided on the clamp frame (5); a movable plate (202) is installed on the power device (3); and a first cylinder (201) is arranged in an array on the movable plate (202) and the fixed plate (203).

Citation Information

Patent Citations

  • Tool clamp for numerical control machine tool

    CN219562263U