CN220103951U

CN220103951U - Milling cutter pendulum measuring device

Info

Publication number: CN220103951U
Application number: CN202320827337.4U
Authority: CN
Inventors: 祁富贵; 庄亚军
Original assignee: Kunshan Hongmao Precision Mould Co ltd
Current assignee: Kunshan Hongmao Precision Mould Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-11-28
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a milling cutter pendulum measuring device which comprises a test bench, a test device arranged on the test bench and used for positioning a milling cutter, and a plurality of measuring dial indicators which are arranged on the side edge of the test device and driven to move in a multiaxial manner and contact the milling cutter. The utility model realizes the stable positioning of the milling cutter, keeps the axis of the milling cutter consistent with the rotation center, and improves the cutter pendulum measuring efficiency.

Description

Milling cutter pendulum measuring device

Technical Field

The utility model belongs to the technical field of milling cutter detection, and particularly relates to a milling cutter pendulum measuring device.

Background

A tool is a tool widely used for cutting in machine manufacturing, also called a milling cutter. The milling cutter can cut metal materials in rotation, so that the purpose of the cutter is achieved. The cutter pendulum means that the milling cutter swings due to the reasons of a machine tool spindle and the like when rotating, the feeding of the milling cutter is not in the normal direction of a machining point, theoretical errors exist, and when the cutter pendulum amount is smaller than 0.02mm, the feeding can be used through compensation. In the conventional cutter pendulum measuring method, a gauge calibrating point is used for measuring the diameter of a rotating cutter, the numerical value of the gauge calibrating reading is a swinging value, when the appearance structure of the milling cutter is deformed, the diameter data is different from the theoretical specification data, the measuring cutter pendulum can know the actual diameter of the milling cutter during operation, the defect of insufficient machining precision of the milling cutter is avoided, and the measuring swinging value can be used for modifying a program or adjusting the clamping of the milling cutter so as to meet the requirement of the machining data precision of a workpiece.

If the patent number is CN202221244716.2CNC knife balance instrument in the prior patent document, a movable knife balance instrument dial indicator is arranged on the table frame, the bottom of the table frame is connected with an air cylinder, and a placing component on the table frame can be meshed for rotation. In the knife pendulum instrument, the knife is directly placed into the placement component, although the limiting block is arranged in the first gear, the limiting block is inserted into the limiting block from the side wall of the knife, the axis of the knife is adjusted to be consistent with the axis of the first gear, otherwise, the risk of inaccurate measurement data of the knife pendulum instrument dial indicator can be caused, and the adjustment process needs to take a long time.

Disclosure of Invention

The utility model aims to solve the technical problems and provide the milling cutter pendulum measuring device, so that the stable positioning of the milling cutter is realized, the axis of the milling cutter is kept consistent with the rotation center, and the cutter pendulum measuring efficiency is improved. In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a milling cutter pendulum measuring device, includes the testboard, sets up the testing arrangement that is used for locating milling cutter on the testboard to and set up in a plurality of measurement percentage tables of the multiaxis removal of driven and contact milling cutter of testing arrangement side, testing arrangement includes the main part support, sets up in the fixed block at main part support top, rotates the revolving stage that sets up in the fixed block is inside, sets up in the revolving stage bottom and is used for elasticity centre gripping to hold tightly the cohesion subassembly of milling cutter, and set up the top pushing piece that is opened in the driven lift and the activity of revolving stage below support and hold tightly the subassembly release, hold tightly the centre of grip of subassembly and the axle center of revolving stage and milling cutter unanimously.

Specifically, the main body bracket comprises a bottom plate and four uniformly distributed upright posts arranged on the bottom plate; the top of four stand posts is connected with a fixed block.

Specifically, a bearing is arranged between the rotary table and the fixed block.

Specifically, a channel penetrating up and down is arranged in the rotary table, the upper portion of the channel is of an inverted cone structure, and the lower portion of the channel is of a cylindrical structure.

Specifically, the milling cutter comprises a cutter handle, a cutter head clamped at one end of the cutter handle and a push rod bolt arranged at the other end of the cutter handle; the tool handle is inserted and assembled with the cone structure of the channel, and the ejector rod bolt extends to the lower part of the channel.

Specifically, the enclasping assembly comprises corner pieces arranged at two symmetrical positions at the bottom of the rotating table, clamping claw parts hinged with the corner pieces, and elastic pieces connected between the clamping claw parts and the corner pieces; the close ends of the clamping claw parts are hinged.

Specifically, the corner piece and the clamping jaw part are of L-shaped structures, one end of the corner piece is connected with the rotary table, the other end of the corner piece is hinged to a turning position of the clamping jaw part, and an elastic piece is arranged on the side edge, close to the corner piece, of the clamping jaw part.

Specifically, the top end of the side edge of the clamping claw part, which is far away from the elastic piece, is provided with a flange for clamping the bolt head position of the limiting ejector rod bolt.

Specifically, a fixed plate is arranged on the main body support, a pushing piece is arranged at the bottom of the fixed plate, the pushing piece is perpendicular to the fixed plate and penetrates through the fixed plate, and the pushing piece is arranged corresponding to the position of the hinge joint of the group of clamping claw parts.

Specifically, a horizontal transfer module and a vertical transfer module matched with the horizontal transfer module are arranged in the test table, the horizontal transfer module extends to the lower part of the test device, the vertical transfer module extends to the side edge of the testing device, an extension frame is arranged on the vertical transfer module, and a plurality of measuring dial indicators are arranged on the extension frame.

Compared with the prior art, the milling cutter pendulum measuring device has the following main beneficial effects:

the clamping assembly is arranged at the bottom of the rotary table, so that the pulling force exerted on the milling cutter by the clamping assembly is consistent with the axis of the milling cutter and the axis of the rotary table, the positioning precision of the milling cutter is improved, and the accuracy of measuring the data of the milling cutter by the dial indicator is further ensured; the clamping assembly adopts the symmetrical corner pieces and the clamping jaw parts, the clamping jaw parts can be accurately limited by matching with the positions of the ejector rod bolts of the milling cutter, the clamping jaw parts have rebound performance, the clamping assembly is matched with the pushing pieces, the milling cutter is automatically positioned and released, and the loading efficiency of the milling cutter is improved.

Drawings

FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a testing apparatus according to the present embodiment;

FIG. 3 is a schematic cross-sectional view of the testing apparatus according to the present embodiment;

FIG. 4 is an enlarged view of the mounting position of the hug assembly according to the present embodiment;

the figures represent the numbers:

the testing device comprises a testing table 1, a milling cutter 2, a cutter handle 21, a cutter head 22, a push rod bolt 23, a testing device 3, a main body support 31, a fixing block 32, a rotary table 33, a clamping assembly 34, a bottom plate 35, a column 36, a bearing 37, a channel 38, a pushing component 4, a fixing plate 41, a corner piece 5, a clamping claw part 51, an elastic component 52, a flange 53, a horizontal transfer module 6, a vertical transfer module 7, an extension frame 71, a first measurement dial gauge 72 and a second measurement dial gauge 73.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, but is apparent to those skilled in the art in view of the present utility model.

Examples:

referring to fig. 1-4, the present embodiment is a milling cutter pendulum measuring device, which includes a test bench 1, a test device 3 disposed on the test bench 1 for positioning a milling cutter 2, and a plurality of measuring dial indicators disposed on the side of the test device 3 and driven to move in multiple axial directions and contact the milling cutter 2.

The testing device 3 comprises a main body support 31, a fixed block 32 arranged at the top of the main body support 31, a rotary table 33 rotatably arranged in the fixed block 32, a holding assembly 34 arranged at the bottom of the rotary table 33 and used for elastically clamping the holding milling cutter 2, and a pushing piece 4 arranged below the rotary table 33, driven to lift and move and propped against the holding assembly 34 to release and open. The clamping center of the clasping assembly 34 is coincident with the axial center of the rotary table 33, and is coincident with the axial center of the milling cutter 2. During the process of clamping and positioning the milling cutter 2 by the enclasping assembly 34, the milling cutter 2 is ensured to rotate concentrically along with the rotary table 33.

The main body bracket 31 comprises a bottom plate 35 and four uniformly distributed upright posts 36 arranged on the bottom plate 35; the top of the four posts 36 connect the fixed block 32, maintaining the fixed block 32 in a horizontal stable state. A bearing 37 is mounted between the rotary table 33 and the fixed block 32, and the rotary table 33 can smoothly rotate inside the fixed block 32.

The rotary table 33 is provided with a passage 38 penetrating up and down, an upper portion of the passage 38 is provided with an inverted cone structure, and a lower portion of the passage 38 is provided with a cylindrical structure. The conical configuration of the upper portion of the channel 38 is adapted to the profile of the milling cutter 2, and the cylindrical configuration of the lower portion of the channel 38 facilitates the avoidance of the mounting of the hugging assembly 34.

The milling cutter 2 comprises a cutter handle 21, a cutter head 22 arranged at one end of the cutter handle 21 in a clamping manner, and a push rod bolt 23 arranged at the other end of the cutter handle 21; the jack bolts 23 are used to fix the solid milling cutter 2 to the machine spindle. The shank 21 is inserted into engagement with the tapered structure of the channel 38 and the jack bolt 23 extends to the lower portion of the channel 38. Wherein the ejector rod bolt 23, the tool bit 22 and the tool shank 21 are concentrically arranged.

The holding assembly 34 comprises folded corner pieces 5 arranged at two symmetrical positions at the bottom of the rotary table 33, clamping jaw parts 51 for hinging the folded corner pieces 5, and elastic pieces 52 for connecting the clamping jaw parts 51 and the folded corner pieces 5; the close ends of the clamping claw parts 51 are hinged, and the top ends of the clamping claw parts 51 clamp and hold the ejector rod bolt 23 relatively.

In this embodiment, the corner piece 5 and the clamping claw 51 are both L-shaped structures, one end of the corner piece 5 is connected with the rotary table 33, and the other end of the corner piece 5 is hinged with the turning position of the clamping claw 51. The side of the clamping claw 51 near the corner piece 5 is provided with an elastic member 52, and the elastic member 52 is a spring. The top ends of the sides of the clamping claw parts 51, which are far away from the elastic piece 52, are provided with flanges 53 for clamping the bolt head positions of the limiting ejector bolt 23, and a group of clamping claw parts 51 can be symmetrically clamped and positioned on the ejector bolt 23. In a natural state, the clamping state is kept by the spring force of the group of clamping jaw parts 51, and when the hinging position of the group of clamping jaw parts 51 is upwards pushed, the group of clamping jaw parts 51 are opened to release the ejector pin bolt 23; when the pushing force of the hinge position of the set of claw portions 51 is removed, the set of claw portions 51 is returned to the original position by the spring force, and is in the clamped state again. The clamping portions 51 can efficiently and stably position the milling cutter 2, reduce the time for adjusting the axial alignment of the milling cutter 2, and improve the efficiency of loading the milling cutter 2 into the rotary table 33.

The main body bracket 31 is provided with a fixed plate 41, the bottom of the fixed plate 41 is provided with a pushing piece 4, the pushing piece 4 is connected with an air cylinder, the fixed plate 41 is in a horizontal state, the pushing piece 4 is vertical and penetrates through the fixed plate 41, the pushing piece 4 is arranged corresponding to the hinge position of one group of clamping jaw parts 51, and when the pushing piece 4 is driven to ascend, the pushing piece 4 contacts with the hinge position of one group of clamping jaw parts 51, so that one group of clamping jaw parts 51 are opened; when the pushing piece 4 is driven to descend, the pushing piece 4 is separated from the hinged position of the group of clamping jaw parts 51, and the group of clamping jaw parts 51 automatically rebound, clamp and hold.

The side of the fixed block 32 is provided with a cylinder on-off switch for controlling the cylinder to act, and the rotary table 33 is driven in various manners, such as a relatively meshed gear manner described in the background art, or manually rotating the rotary table 33. When the rotary table 33 rotates for one circle, the cylinder on-off switch is started, so that the cylinder starts to act, and the positioning of the milling cutter 2 is completed.

The inside of the test table 1 is provided with a horizontal transfer module 6 and a vertical transfer module 7 matched with the horizontal transfer module 6, the horizontal transfer module 6 extends to the lower side of the test device 3, and the vertical transfer module 7 extends to the side of the test device 3. The vertical transfer module 7 is provided with an extension frame 71, and a plurality of measurement dial indicators are arranged on the extension frame 71, and the plurality of measurement dial indicators in the embodiment comprise a first measurement dial indicator 72 for measuring height data of the milling cutter 2 on the top end of the contact milling cutter 2 and a second measurement dial indicator 73 for measuring circumference data of the milling cutter 2 on the periphery of the contact milling cutter 2. The tool setting data of the milling cutter 2 can be judged by analyzing the numerical value of the measuring dial indicator.

When the embodiment is applied, the pushing member 4 is lifted, the holding assembly 34 is in a pushing open state, the milling cutter 2 is installed in the rotary table 33 and enters the holding assembly 34, the pushing member 4 is lowered, the holding assembly 34 automatically clamps the holding milling cutter 2, the milling cutter 2 is subjected to downward pulling force, the pulling force is consistent with the axis of the milling cutter 2 and the axis of the rotary table 33, the first measuring dial indicator 72 is moved to the top end of the contact milling cutter 2, the second measuring dial indicator 73 is moved to the outer wall of the contact milling cutter 2, the rotary table 33 rotates for one circle, and data measurement of the two measuring dial indicators is completed.

In the embodiment, the enclasping component 34 is arranged at the bottom of the rotary table 33, so that the pulling force exerted on the milling cutter 2 by the enclasping component 34 is consistent with the axis of the milling cutter 2 and the axis of the rotary table 33, the positioning precision of the milling cutter 2 is improved, and the accuracy of measuring the data of the milling cutter 2 by the dial indicator is further ensured; the enclasping component 34 adopts the symmetrically arranged folded corner piece 5 and the clamping jaw part 51, the clamping jaw part 51 can be matched with the position of the ejector rod bolt 23 of the milling cutter 2 to accurately limit, the clamping jaw part 51 has rebound performance, the enclasping component 34 is matched with the pushing piece 4, the milling cutter 2 is automatically positioned and released, and the loading efficiency of the milling cutter 2 is improved.

In the description of the present specification, the term "particular embodiment" or "a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.

Claims

1. Milling cutter pendulum measuring device, including the testboard, set up the testing arrangement that is used for locating milling cutter on the testboard, and set up in the driven multiaxis of testing arrangement side remove and contact a plurality of measurement percentage tables of milling cutter, its characterized in that: the testing device comprises a main body support, a fixed block arranged at the top of the main body support, a rotary table arranged in the fixed block in a rotating mode, a enclasping assembly arranged at the bottom of the rotary table and used for elastically clamping and enclasping the milling cutter, and a pushing piece arranged below the rotary table, driven to lift and move to be propped against the enclasping assembly to release and open, wherein the clamping center of the enclasping assembly is consistent with the axle center of the rotary table and the axle center of the milling cutter.

2. The milling cutter pendulum measuring device according to claim 1, wherein: the main body support comprises a bottom plate and four uniformly distributed upright posts arranged on the bottom plate; the top of four stand posts is connected with a fixed block.

3. The milling cutter pendulum measuring device according to claim 1, wherein: and a bearing is arranged between the rotary table and the fixed block.

4. The milling cutter pendulum measuring device according to claim 2, wherein: the inside of revolving stage is provided with the passageway that runs through from top to bottom, the upper portion of passageway sets up to the cone structure of inversion, the lower part of passageway sets up to the cylindricality structure.

5. The milling cutter pendulum measuring device according to claim 4, wherein: the milling cutter comprises a cutter handle, a cutter head clamped at one end of the cutter handle and a push rod bolt arranged at the other end of the cutter handle; the tool handle is inserted and assembled with the cone structure of the channel, and the ejector rod bolt extends to the lower part of the channel.

6. The milling cutter pendulum measuring device according to claim 5, wherein: the enclasping assembly comprises corner pieces arranged at two symmetrical positions at the bottom of the rotary table, clamping claw parts hinged with the corner pieces, and elastic pieces connected between the clamping claw parts and the corner pieces; the close ends of the clamping claw parts are hinged.

7. The milling cutter pendulum measuring device according to claim 6, wherein: the angle folding piece and the clamping jaw parts are of L-shaped structures, one end of the angle folding piece is connected with the rotary table, the other end of the angle folding piece is hinged to a turning position of the clamping jaw parts, and elastic parts are arranged on the side edges, close to the angle folding piece, of the clamping jaw parts.

8. The milling cutter pendulum measuring device according to claim 7, wherein: the top end of the side edge of the clamping claw part, which is far away from the elastic piece, is provided with a flange for clamping the bolt head position of the limit ejector rod bolt.

9. The milling cutter pendulum measuring device according to claim 6, wherein: the main body support is provided with a fixed plate, the bottom of the fixed plate is provided with a pushing piece, the pushing piece is perpendicular to the fixed plate and penetrates through the fixed plate, and the pushing piece is arranged corresponding to the position of the hinge joint of the group of clamping claw parts.

10. The milling cutter pendulum measuring device according to claim 1, wherein: the test bench is characterized in that a horizontal transfer module and a vertical transfer module matched with the horizontal transfer module are arranged in the test bench, the horizontal transfer module extends to the lower side of the test device, the vertical transfer module extends to the side edge of the test device, an extension frame is arranged on the vertical transfer module, and a plurality of measurement dial indicators are arranged on the extension frame.