Cutter installation angle calibration device of milling machine

Abstract

The utility model discloses a cutter installation angle calibration device of a milling machine, which relates to the technical field of cutter installation and comprises a first fixing plate, one side of the first fixing plate is fixedly connected with a second fixing plate, one side of the second fixing plate is provided with a fixing mechanism, and the other side of the second fixing plate is provided with a calibration mechanism. The calibration mechanism comprises a mounting block and a test block, one end of the test head is in contact with the outer side of the cutter, the drive motor works to drive the threaded rod to rotate, the moving block to move and the steering rod to rotate, the test block moves to apply force to the cutter, the cutter displaces or deforms, and the force sensor can sense the change of the force in real time. The installation angle deviation of the cutter is obtained, the installation position of the cutter is adjusted, accurate calibration of the installation angle of the milling machine cutter is achieved, and the machining precision and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool installation technical field especially relates to a tool installation angle calibration device of milling machine. BACKGROUND

[0002] Milling machine tool refers to the rotating tool steel cutter for the metal surface milling and finishing and trimming installed on the milling machine, after the cutter is installed on the milling machine, the installation angle of the cutter needs to be calibrated by using the calibration device to prevent deviation.

[0003] For example, the publication number CN211638345U discloses a cutter correction device, which comprises a base horizontally arranged, an installation seat arranged on the base, a slot hole for accommodating the shank of the cutter horizontally penetrating in the installation seat, a limiting assembly comprising a screw rod, a rotating bearing and a pressing piece arranged in sequence from top to bottom, the lower end of the screw rod being connected with the pressing piece through the rotating bearing, a threaded hole being formed on the installation seat, and the screw rod being arranged in cooperation with the threaded hole.

[0004] In the prior art, general calibration devices are optical tool setting instruments and mechanical tool setting instruments. When the installation angle is calibrated by using the optical tool setting instrument and the mechanical tool setting instrument, the ambient light and the precision of the mechanical parts will affect the calibration precision. Moreover, when the installation angle of some cutters with poor surface reflectivity or complex shape is calibrated, the accuracy of measurement cannot be guaranteed, which may cause problems such as inclination and size out-of-tolerance of the machined surface. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art that the ambient light and the precision of the mechanical parts will affect the calibration precision when the installation angle is calibrated by using the optical tool setting instrument and the mechanical tool setting instrument, and the machined surface may be inclined or out-of-tolerance. Therefore, the utility model provides a tool installation angle calibration device for a milling machine.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tool installation angle calibration device for a milling machine, comprising a first fixed plate, one side of the first fixed plate being fixedly connected with a second fixed plate, one side of the second fixed plate being provided with a fixing mechanism, the other side of the second fixed plate being provided with a calibration mechanism, the calibration mechanism comprising an installation block and a test block, one side of the installation block being fixedly connected to the other side of the second fixed plate, a force sensor being fixedly connected to the middle part of the installation block, one end of the force sensor being provided with a test spring, one end of the test spring being provided with a test head, both ends of the test block being rotatably connected with a steering rod, one end of the steering rod being rotatably connected with a moving block, the middle part of the moving block being threadedly connected with a threaded rod.

[0007] Preferably, one side of the test block is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with one side of the second fixed plate.

[0008] Preferably, one end of the threaded rod is rotatably connected with one side of the second fixed plate, the other end of the threaded rod is fixedly connected with a driving motor, one side of the driving motor is fixedly connected with one side of the second fixed plate.

[0009] Preferably, the fixing mechanism comprises an electric push rod and a moving plate, one side of each of the two moving plates is fixedly connected with a clamping plate, the moving plate is slidably connected with a guide rod, and the end of the guide rod is fixedly connected with one side of the second fixed plate.

[0010] Preferably, a compression spring is sleeved outside the guide rod, and the compression spring is arranged between the end of the guide rod and the moving plate.

[0011] Preferably, one side of the electric push rod is fixedly connected with one side of the first fixed plate, one end of the electric push rod is fixedly connected with a moving frame, the moving frame is slidably connected with the first fixed plate, one end of the moving frame is fixedly connected with a pushing frame, and the two ends of the pushing frame are rotatably connected with pushing blocks.

[0012] Preferably, rotating rods are slidably sleeved in the middle portions of the two pushing blocks, and one end of each of the two rotating rods is rotatably connected with one side of the first fixed plate.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、 in the utility model, the one end of the test head is contacted with the outside of the cutter, the driving motor works to drive the threaded rod to rotate, the moving block moves, the steering rod rotates, the test block moves to exert force on the cutter, the cutter generates displacement or deformation, the force sensor can sense the change of force in real time, obtains the installation angle deviation of the cutter, adjusts the installation position of the cutter, realizes the accurate calibration of the installation angle of the milling machine cutter, and improves the machining precision and quality.

[0015] 2、 in the utility model, the electric push rod works to drive the moving frame to move, drive the pushing frame and the pushing blocks to move, change the rotation angle of the two rotating rods, adjust the distance between the two clamping plates, keep the clamping force of the two moving plates on the cutter, thereby stably fixing the cutter. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first three-dimensional structure schematic view of the cutter installation angle calibration device of the milling machine.

[0017] Figure 2The utility model provides a kind of milling machine tool installation angle calibration device's second three-dimensional structure schematic view is proposed for the utility model;

[0018] Figure 3 The utility model provides a kind of milling machine tool installation angle calibration device's disassembly structure schematic view is proposed for the utility model;

[0019] Figure 4 The utility model provides a kind of milling machine tool installation angle calibration device's electric push rod connecting structure schematic view is proposed for the utility model.

[0020] Legend: 1, first fixed plate;2, calibration mechanism;21, installation block;22, force sensor;23, test spring;24, test head;25, threaded rod;26, moving block;27, telescopic rod;28, drive motor;29, test block;210, steering rod;3, second fixed plate;4, fixed mechanism;41, electric push rod;42, clamping plate;43, moving plate;44, guide rod;45, compression spring;46, moving frame;47, push frame;48, rotating rod;49, push block. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0023] Example one: as Figure 1 - Figure 4The utility model provides a cutter installation angle calibration device of milling machine, including first fixed plate 1, one side fixed connection of first fixed plate 1 has second fixed plate 3, the one side installation of second fixed plate 3 has fixed mechanism 4, the other side installation of second fixed plate 3 has calibration mechanism 2, calibration mechanism 2 includes installation block 21 and test block 29, one side fixed connection of installation block 21 is in the middle fixed connection of other side installation block 21 of second fixed plate 3 has force sensor 22, and one end of force sensor 22 is installed with test spring 23, and one end of test spring 23 is installed with test head 24, and both ends of test block 29 are rotatably connected with steering lever 210, and one end of steering lever 210 is rotatably connected with moving block 26, and the middle threaded connection of moving block 26 has threaded rod 25, one side fixed connection of test block 29 has telescopic link 27, and one end fixed connection of telescopic link 27 is in one side of second fixed plate 3, one end of threaded rod 25 is rotatably connected with one side of second fixed plate 3, and the other end fixed connection of threaded rod 25 has drive motor 28, and one side fixed connection of drive motor 28 is in one side of second fixed plate 3.

[0024] After the cutter is fixed and installed by fixed mechanism 4, one end of test head 24 abuts with the outside of cutter, at this time, test spring 23 is in natural state, drive motor 28 works and drives threaded rod 25 to rotate, the middle two sides of threaded rod 25 are oppositely threaded, drive two threaded moving blocks 26 to move, steering lever 210 rotates, and pushes test block 29 to move, telescopic link 27 is made of two sleeve rods with different diameters, telescopic link 27 is elongated, so that test block 29 moves to the cutter and exerts a known size and direction force, the cutter will displace or deform under the force, the change of cutter causes the position change of test head 24, and test spring 23 deforms, force sensor 22 can sense the change of force in real time, and the installation angle deviation of cutter is calculated, when the angle deviation value exceeds the error range, the installation position of cutter is adjusted until the installation angle deviation of cutter meets the processing requirement, the accurate calibration of milling cutter installation angle of milling machine is realized, and the processing precision and quality are improved.

[0025] Embodiment two: as Figure 1 and Figure 4As shown, the fixing mechanism 4 comprises an electric push rod 41 and two moving plates 43, one side of each of the two moving plates 43 is fixedly connected with a clamping plate 42, a guide rod 44 is slidingly connected to the moving plate 43, and the end of the guide rod 44 is fixedly connected to one side of the second fixed plate 3; a compression spring 45 is sleeved outside the guide rod 44, and the compression spring 45 is arranged between the end of the guide rod 44 and the moving plate 43; one side of the electric push rod 41 is fixedly connected to one side of the first fixed plate 1, one end of the electric push rod 41 is fixedly connected with a moving frame 46, the moving frame 46 is slidingly connected with the first fixed plate 1, one end of the moving frame 46 is fixedly connected with a pushing frame 47, and the two ends of the pushing frame 47 are rotatably connected with pushing blocks 49; a rotating rod 48 is slidingly sleeved in the middle of each of the two pushing blocks 49, and one end of each of the two rotating rods 48 is rotatably connected to one side of the first fixed plate 1.

[0026] The effect of the whole embodiment is that one end of the tool is inserted through the opening formed in the second fixed plate 3, the electric push rod 41 is driven to move the moving frame 46, the moving frame 46 slides on the first fixed plate 1, the pushing frame 47 and the pushing blocks 49 are moved, the pushing blocks 49 slide outside the rotating rods 48 to different positions, the rotating angles of the two rotating rods 48 are changed, one end of each of the two rotating rods 48 abuts against the outside of each of the two moving plates 43, the distance between the two clamping plates 42 is adjusted, the two moving plates 43 slide outside the guide rod 44, the compression spring 45 is deformed, the linear motion of the two moving plates 43 is fixed, and the clamping force of the two moving plates 43 on the tool is maintained, so that the tool is stably fixed.

[0027] The working principle and method of using the device are as follows: one end of the tool is inserted through the opening formed in the second fixed plate 3, the electric push rod 41 is driven to move the moving frame 46, the pushing blocks 49 slide outside the rotating rods 48 to different positions, the rotating angles of the two rotating rods 48 are changed, one end of each of the two rotating rods 48 abuts against the outside of each of the two moving plates 43, the distance between the two clamping plates 42 is adjusted, the tool is fixed, one end of the test head 24 abuts against the outside of the tool, at this time, the test spring 23 is in a natural state, the driving motor 28 is driven to rotate the threaded rod 25, the two moving blocks 26 are moved, the steering rod 210 is rotated, the test block 29 is moved, a force with a known size and direction is applied to the tool, the tool will be displaced or deformed under the action of the force, the force sensor 22 can sense the change of the force in real time, the installation angle deviation of the tool is calculated and obtained, and the installation angle of the tool is calibrated.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A tool mounting angle calibration device for a milling machine, comprising a first fixing plate (1), characterized in that: A second fixed plate (3) is fixedly connected to one side of the first fixed plate (1). A fixed mechanism (4) is installed on one side of the second fixed plate (3). A calibration mechanism (2) is installed on the other side of the second fixed plate (3). The calibration mechanism (2) includes a mounting block (21) and a test block (29). A force sensor (22) is fixedly connected to the middle of the mounting block (21) on the other side of the second fixed plate (3). A test spring (23) is installed at one end of the force sensor (22). A test head (24) is installed at one end of the test spring (23). A steering rod (210) is rotatably connected to both ends of the test block (29). A moving block (26) is rotatably connected to one end of the steering rod (210). A threaded rod (25) is threadedly connected to the middle of the moving block (26).

2. The milling machine tool mounting angle calibration device according to claim 1, characterized in that: A telescopic rod (27) is fixedly connected to one side of the test block (29), and one end of the telescopic rod (27) is fixedly connected to one side of the second fixing plate (3).

3. The milling machine tool mounting angle calibration device according to claim 1, characterized in that: One end of the threaded rod (25) is rotatably connected to one side of the second fixed plate (3), and the other end of the threaded rod (25) is fixedly connected to a drive motor (28). One side of the drive motor (28) is fixedly connected to one side of the second fixed plate (3).

4. The milling machine tool mounting angle calibration device according to claim 1, characterized in that: The fixing mechanism (4) includes an electric push rod (41) and a moving plate (43). A clamping plate (42) is fixedly connected to one side of each of the two moving plates (43). A guide rod (44) is slidably connected to the moving plate (43). The end of the guide rod (44) is fixedly connected to one side of the second fixing plate (3).

5. The milling machine tool mounting angle calibration device according to claim 4, characterized in that: A compression spring (45) is sleeved on the outside of the guide rod (44), and the compression spring (45) is located between the end of the guide rod (44) and the moving plate (43).

6. The milling machine tool mounting angle calibration device according to claim 4, characterized in that: One side of the electric push rod (41) is fixedly connected to one side of the first fixed plate (1). One end of the electric push rod (41) is fixedly connected to a moving frame (46). The moving frame (46) is slidably connected to the first fixed plate (1). One end of the moving frame (46) is fixedly connected to a push frame (47). Both ends of the push frame (47) are rotatably connected to push blocks (49).

7. The milling machine tool mounting angle calibration device according to claim 6, characterized in that: Two push blocks (49) are slidably sleeved with rotating rods (48) in the middle, and one end of the two rotating rods (48) is rotatably connected to one side of the first fixed plate (1).

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