CN211401141U - Cutter diameter measuring device of end milling cutter - Google Patents

Abstract

The utility model discloses a tool diameter measuring device for an end mill. Including a base, the base is provided with X, Y, Z axis slider modules, the X, Y, Z axis slider modules are connected with the manipulator, and the base is provided with a tool to be tested and a detection mechanism along the positive direction of the Y axis; The detection mechanism includes a fixed base plate, a detection table capable of sliding along the Y-axis direction is arranged on the fixed base plate, and a tool diameter detection sensor is arranged on the detection table along the positive extension direction of the Y-axis; the detection table is fixed with Z-direction fine-tuning screw module, the slider of Z-direction fine-tuning screw module is connected with a pair of positioning V-shaped blocks for positioning the milling cutter; A sliding pressing mechanism that can compress and drive the milling cutter to rotate. The utility model has the characteristics of high efficiency, high precision and strong applicability.

Description

A device for measuring the tool diameter of an end mill

technical field

The utility model relates to the field of machining tool detection, in particular to a tool diameter measuring device for an end mill.

Background technique

At present, metal cutting is the main manufacturing method for manufacturing parts, and cutting tools are the key factor to support and promote the progress of cutting technology. The wide application of high-efficiency CNC machine tools has brought the development of modern cutting technology to a new stage. The measurement of the tool diameter is an important part of the tool accuracy detection. The tool diameter measurement includes the measurement of the diameter, taper and circular runout of the tool. At present, there are two key technologies for the tool diameter measurement device in the industry, one is the direct CCD light source imaging method, and the other is the laser scanning method. If these two key technologies are used for manual loading and unloading, this will cause : 1. The efficiency is slow, and the tested tool cannot be taken out in time; 2. The positioning error is caused to the detection station; 3. The quality of the tested tool cannot be judged in time; 4. The cost of tool radius detection is increased. That is to say, there are problems of low efficiency and low measurement accuracy. Some tool diameter measuring devices can only measure the diameter of a single tool shank, which has the disadvantage of insufficient flexible design.

Utility model content

The purpose of the utility model is to provide an end mill tool diameter measuring device. The utility model has the characteristics of high efficiency, high precision and strong applicability.

The technical scheme of the utility model is as follows: an end mill tool diameter measuring device, comprising a base, an X, Y, Z axis slider module is arranged on the base, the X, Y, Z axis slider module is connected with a manipulator, the base is A tool-to-be-measured table and a detection mechanism are arranged in sequence along the positive direction of the Y-axis; the detection mechanism includes a fixed base plate, and a detection table capable of sliding along the Y-axis direction is arranged on the fixed base plate. There is a tool diameter detection sensor in the extending direction of the machine; a Z-direction fine-tuning screw module is fixed on the detection table, and a pair of positioning V-shaped blocks for positioning the milling cutter are connected to the slider of the Z-direction fine-tuning screw module; A pressing mechanism capable of sliding in the Y and Z directions and capable of pressing and driving the milling cutter to rotate is also provided above the positioning V-shaped block.

In the aforementioned end mill tool diameter measuring device, the pressing mechanism includes a motor, the motor is connected with the synchronous belt module, the synchronous belt module is connected with the pressing wheel, and the pressing wheel is above the positioning V-shaped block.

In the aforementioned end mill tool diameter measuring device, the pressing mechanism is connected to the Z-direction slide cylinder, the Z-direction slide cylinder is connected to the Y-direction slide cylinder, and the Y-direction slide cylinder is connected to the testing table; the The motor is connected to the synchronous belt module through the connecting seat fixed on the cylinder of the Z-direction sliding table.

In the aforementioned end mill tool diameter measuring device, the tool to be tested includes a fixed plate, the fixed plate is provided with pressure plates side by side, the pressure plate is provided with a clamping sliding groove, and the clamping sliding groove is connected with the clamping spring by the clamping spring. The blocks are connected; the clamping blocks are arranged in pairs between the gaps between the two adjacent pressing plates.

In the aforementioned end mill tool diameter measuring device, more than one pair of clamping blocks can be arranged side by side between each of the gaps.

In the aforementioned end mill tool diameter measurement device, the manipulator includes a connecting plate, the connecting plate is hinged with the steering cylinder, the steering cylinder is also hinged with the steering block hinged on the connecting plate, the steering block is connected with the bionic wrist, and the inside of the bionic wrist is hinged. The grabbing chute is slidably connected with the piston rod, one end of the piston rod is connected with the grabbing spring, the other end is hinged with the bionic gripper via the connecting rod, and the bionic gripper is also hinged with the bionic wrist.

In the aforementioned end mill tool diameter measuring device, one of the pair of positioning V-shaped blocks for positioning the milling cutter can also slide along the Y direction.

beneficial effect

Compared with the prior art, the utility model solves the shortcomings of low efficiency, low precision and insufficient flexible design of the traditional end mill cutter diameter measuring device; The manipulator is equipped with a tool to be tested and a detection mechanism on the base along the positive direction of the Y-axis; the detection mechanism includes a positioning V-shaped block that can move in the Y and Z directions for positioning the milling cutter. A tool diameter detection sensor is arranged in the direction of the Y positive extension; at the same time, a pressing mechanism that can slide in the Y and Z directions is also arranged above the positioning V-shaped block, and can press and drive the milling cutter to rotate; this structure, the manipulator can After the milling cutter is grasped from the tool waiting table to the positioning V-shaped block, the rotation of the milling cutter is driven by the pressing mechanism, that is, the cutter diameter detection sensor can be used to measure the cutter diameter, taper and circular runout. Its applicability is stronger.

The utility model drives the tool shank to rotate on the positioning V-shaped block through the pressing mechanism, and the rotation accuracy is higher, thereby improving the detection accuracy. On the same straight line, the measurement flexibility is more. The utility model can clamp a plurality of milling cutters on the tool-to-be-measured table in batches at one time, and does not need to manually clamp the milling cutters frequently during batch detection, which is not only more convenient and efficient, but also improves the equipment. Repeated positioning accuracy further improves the measurement accuracy of the equipment.

The utility model realizes the flexible design of the tool diameter measuring device of the end mill, can measure the end mills with different shank diameters, and is suitable for the tool diameter detection of the end mills produced in large quantities.

To sum up, the utility model has the characteristics of high efficiency, high precision and strong applicability.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the structural representation of the rear view angle of the present utility model;

Fig. 3 is the structural representation of detection mechanism;

Fig. 4 is the structural representation of pressing mechanism;

Fig. 5 is the structural representation of manipulator;

Fig. 6 is the bottom view of the manipulator;

Figure 7 is a schematic diagram of the structure of the tool to be tested;

Fig. 8 is a front view of the tool test stand.

The symbols in the drawings are: 1- base, 2- X, Y, Z axis slider module, 3- manipulator, 31- connecting plate, 32- steering cylinder, 33- steering block, 34- bionic wrist, 35- Grab chute, 36-piston rod, 37-grab spring, 38-connecting rod, 39-bionic gripper, 4-tool to be tested, 41-fixing plate, 42-pressing plate, 43-clamping sliding groove, 44-Clamping spring, 45-Clamping block, 5-Detection mechanism, 51-Fixed base plate, 52-Detection table, 53-Tool diameter detection sensor, 54-Z-direction fine-tuning screw module, 55-Positioning V-block , 56-compression mechanism, 561-motor, 562-connector, 563-synchronous belt module, 564-compression wheel, 57-Z to slide cylinder, 58-Y to slide cylinder.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present utility model.

Example. An end mill tool diameter measuring device, as shown in Figure 1-Figure 8, includes a base 1, and the base 1 is provided with X, Y, Z axis slider modules 2, X, Y, Z axis slider modules The group 2 is connected to the manipulator 3, and the base 1 is provided with a tool to be tested 4 and a detection mechanism 5 in sequence along the positive direction of the Y axis; The sliding detection table 52 is provided with a tool diameter detection sensor 53 along the extension direction of the detection table 52 along the positive Y axis; The slider of the group 54 is connected with a pair of positioning V-shaped blocks 55 for positioning the milling cutter; the positioning V-shaped blocks 55 are also provided above the positioning V-shaped blocks 55 that can slide in the Y and Z directions, and can be pressed and driven for milling The pressing mechanism 56 for the rotation of the knife. The X, Y, Z axis slider module 2 is mainly composed of a ball screw, a slide rail, a motor bracket, a sliding block and a ball screw support seat, the X axis ball screw support seat and the Y axis ball screw base plate It is connected with the strut by screws, see FIG. 1 , which belongs to a conventional structure and will not be described again. The Y-direction sliding of the detection table 52 can be realized by a conventional lead screw sub-module, which will not be repeated here.

After all the assembly is completed, the commissioning work begins. Debug the X, Y, Z axis slider module 2 to zero, and the position at this time is set as the starting position. Debug the detection position, place the milling cutter shank on the positioning V-shaped block 55, and confirm whether the milling cutter detection position is located in the middle of the tool radius detection sensor. The screw module 54 adjusts the Z-direction position of the positioning V-shaped block 55, and adjusts the milling cutter detection position to the middle of the cutter diameter detection sensor; then tests the cutter diameter detection sensor 53, and uses the test milling cutter to place it in the middle of the cutter diameter detection sensor. Observe whether it can collect the tool radius information of the milling cutter to be tested on the computer. After the commissioning work is completed, the end mill can be inspected.

When the tool diameter of the milling cutter is detected, the manipulator 3 grabs the milling cutter from the tool waiting table 4, and then is driven by the X, Y, Z axis slider module 2, and the captured milling cutter is sent to the detection mechanism along the Y axis 5; Then the manipulator 3 places the milling cutter shank on the positioning V-shaped block 55; at this time, the pressing mechanism 56 moves along the Y direction to the top between the two positioning V-shaped blocks 55, and then moves down along the Z to hold down the two positioning The tool holder between the V-shaped blocks 55 drives the milling cutter to rotate. At this time, the tool diameter detection sensor 53 can measure the diameter, taper and circular runout of the milling cutter.

The aforementioned pressing mechanism 56 includes a motor 561 , which is connected to the timing belt module 563 , and the timing belt module 563 is connected to a pressing wheel 564 , which is located above the positioning V-shaped block 55 .

The pressing mechanism 56 drives the milling cutter to rotate as follows: after the pressing mechanism 56 moves along the Y and Z directions, the pressing wheel 564 presses the tool handle between the two positioning V-shaped blocks 55; at this time, the motor 561 passes through the synchronous belt module 563 drives the pressing wheel 564 to rotate, which can drive the milling cutter to rotate.

The aforementioned pressing mechanism 56 is connected to the Z-direction slide cylinder 57, the Z-direction slide cylinder 57 is connected to the Y-direction slide cylinder 58, and the Y-direction slide cylinder 58 is connected to the detection table 52; the motor 561 passes through the fixed cylinder. The connecting seat 562 provided on the Z-direction slide cylinder 57 is connected to the synchronous belt module 563 .

The Y-direction movement of the pressing mechanism 56 is directly driven by the Y-direction slide cylinder 58 , and the Z-direction movement is directly driven by the Z-direction slide cylinder 57 .

The aforementioned tool test stand 4 includes a fixed plate 41, on which a pressure plate 42 is arranged side by side, the pressure plate 42 is provided with a clamping sliding groove 43, and the clamping sliding groove 43 is connected with the clamping block 45 through a clamping spring 44; The clamping blocks 41 are arranged in pairs between the gaps between two adjacent pressing plates 42 . With this structure, the milling cutter to be detected can be placed vertically. The specific placement process is as follows: the paired clamping blocks 41 clamp the shank end of the vertical milling cutter; when grasping, the manipulator 3 directly grasps the shank and moves along the Z Pull up and move to the detection mechanism 5 along the Y direction, and then the manipulator 3 rotates 90° to turn the vertical position into a horizontal position; during the mechanical time, move it along the Z direction, and lay the milling cutter shank on the positioning V-shaped block 55.

More than one pair of clamping blocks 41 can be arranged side by side between each of the gaps. Through this structure, a plurality of milling cutters to be tested can be clamped at the same time, so that the milling cutter detection can be carried out in batches, the clamping time is saved, and the detection efficiency is improved.

The aforementioned manipulator 3 includes a connecting plate 31, the connecting plate 31 is hinged with the steering cylinder 32, the steering cylinder 32 is also hinged with the steering block 33 hinged on the connecting plate 31, the steering block 33 is connected with the bionic wrist 34, and the bionic wrist 34 has a gripper inside. Take the chute 35, the grab chute 35 is slidably connected with the piston rod 36, one end of the piston rod 36 is connected with the grab spring 37, the other end is hinged with the bionic hand 39 via the connecting rod 38, and the bionic hand 39 is also connected with the bionic wrist 34. Hinged. The connection between the manipulator 3 and the X, Y, Z axis slider module 2 can be connected to the X, Y, Z axis slider module 2 through the connecting plate 31 according to the conventional structure.

The process of grasping and placing the milling cutter by the manipulator 3 is as follows: after the manipulator 3 moves to the position of the milling cutter, the bionic gripper 39 is aligned with the tool handle, and then moves slightly along the Y direction to open and close the bionic gripper 39 of the tool handle. The bionic gripper 39 grabs the handle, and then the manipulator 3 moves in the Z direction to pull the tool handle away from the clamping block 41; then the manipulator 3 moves to the top of the detection mechanism 5 in the Y direction; at this time, the steering cylinder 32 is extended to make the steering block 33 drives the bionic wrist 34 to rotate 90°, thereby laying the erected milling cutter flat; after that, the manipulator 3 moves along the Z direction and places the tool handle on the positioning V-shaped block 55. After the placement, the bionic gripper 39 is in two positioning V-shaped outside the block 55; then press the tool handle between the two positioning V-shaped blocks 55 by the pressing mechanism 56; after pressing, the manipulator 3 moves in the Z direction, so that the tool handle is separated from the bionic gripper 39, and the bionic gripper 39 is in The connecting rod 38, the piston rod 36 and the grasping spring 37 return to the closed state under the cooperative action.

One of the pair of positioning V-shaped blocks 55 for positioning the milling cutter can also slide along the Y direction. The main function of the movable positioning V-shaped block 55 is to realize the detection and positioning of end mills of different lengths and diameters, and to improve the collection accuracy of the tool diameter information of the end mill by the tool diameter detection sensor.

Claims (7)

1. An end mill tool diameter measuring device, characterized in that: it comprises a base (1), and the base (1) is provided with an X, Y, Z-axis slider module (2), and the X, Y, Z-axis slide The block module (2) is connected with the manipulator (3), and the base (1) is sequentially provided with a tool-to-be-measured table (4) and a detection mechanism (5) along the positive direction of the Y-axis; the detection mechanism (5) includes a fixed The base plate (51), the fixed base plate (51) is provided with a detection table (52) that can slide along the Y-axis direction, and a tool diameter detection sensor (53) is provided on the detection table (52) along the extension direction of the Y-axis positive direction ); a Z-direction fine-tuning screw module (54) is fixed on the inspection table (52), and a pair of positioning V-shaped blocks ( 55); a pressing mechanism (56) capable of sliding in the Y and Z directions and capable of pressing and driving the milling cutter to rotate is further provided above the positioning V-shaped block (55). 2. The end mill tool diameter measuring device according to claim 1, wherein the pressing mechanism (56) comprises a motor (561), and the motor (561) is connected to the synchronous belt module (563), The synchronous belt module (563) is connected with the pressing wheel (564), and the pressing wheel (564) is located above the positioning V-shaped block (55). 3. The end mill tool diameter measuring device according to claim 2, wherein the pressing mechanism (56) is connected to the Z-direction slide cylinder (57), and the Z-direction slide cylinder (57) is connected to the Z-direction slide cylinder (57). The Y-direction slide cylinder (58) is connected, and the Y-direction slide cylinder (58) is connected to the inspection table (52); the motor (561) passes through the connecting seat fixed on the Z-direction slide cylinder (57). (562) is connected with the timing belt module (563). 4 . The tool diameter measuring device for an end mill according to claim 1 , wherein the tool test stand ( 4 ) comprises a fixing plate ( 41 ), and pressing plates ( 42 ) are arranged side by side on the fixing plate ( 41 ). 5 . ), the pressure plate (42) is provided with a clamping sliding groove (43), and the clamping sliding groove (43) is connected with the clamping block (45) through a clamping spring (44); the clamping blocks (45) are arranged in pairs between two adjacent pressing plates (42). 5 . The tool diameter measuring device for an end mill according to claim 4 , wherein more than one pair of clamping blocks ( 45 ) can be arranged side by side between each of the gaps. 6 . 6 . The end mill tool diameter measuring device according to claim 1 , wherein the manipulator ( 3 ) comprises a connecting plate ( 31 ), the connecting plate ( 31 ) is hinged with the steering cylinder ( 32 ), and the steering cylinder (32) is also hinged with the steering block (33) hinged on the connecting plate (31), the steering block (33) is connected with the bionic wrist (34), and the bionic wrist (34) has a grabbing chute (35) inside the The chute (35) is slidably connected with the piston rod (36), one end of the piston rod (36) is connected with the grasping spring (37), and the other end is hinged with the bionic gripper (39) via the connecting rod (38), and the bionic gripper (39) is also articulated with the bionic wrist (34). 7 . The tool diameter measuring device for an end mill according to claim 1 , wherein one of the pair of positioning V-shaped blocks ( 55 ) for positioning the milling cutter can also slide along the Y direction. 8 .

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