阅读说明：本技术 圆珠笔头材料切削力测试装置 (Device for testing cutting force of ball-point pen head material ) 是由 黄小喜 杨崇倡 冯培 周炜 于 2019-10-09 设计创作，主要内容包括：本发明公开了一种圆珠笔头材料切削力测试装置,包括测试平台、测试机构和钻削机构,测试机构具有一定位安装于测试平台上表面上的固定座、一定位安装于固定座上侧上的六轴力传感器和一定位安装于六轴力传感器上侧上并用以夹持待测试圆珠笔头的夹具；钻削机构具有一活动布设于测试平台上方的钻削电机和一定位安装于钻削电机动力输出轴上的钻头,钻削电机连同钻头一起能够相对夹具移动,实现钻头能够对待测试圆珠笔头进行切削操作；六轴力传感器能感测到钻头施加给待测试圆珠笔头的切削力大小,并传输给控制器。该圆珠笔头材料切削力测试装置能够实现对圆珠笔头材料高速微孔钻削加工时的切削力进行有效测试,且测试精度高、操控智能化程度高。(The invention discloses a device for testing the cutting force of a ball pen point material, which comprises a testing platform, a testing mechanism and a drilling mechanism, wherein the testing mechanism is provided with a fixed seat positioned and arranged on the upper surface of the testing platform, a six-axis force sensor positioned and arranged on the upper side of the fixed seat and a clamp positioned and arranged on the upper side of the six-axis force sensor and used for clamping a ball pen point to be tested; the drilling mechanism is provided with a drilling motor movably arranged above the test platform and a drill bit positioned and arranged on a power output shaft of the drilling motor, the drilling motor and the drill bit can move relative to the clamp together, and the drill bit can cut the ball pen point to be tested; the six-axis force sensor can sense the cutting force applied to the ball-point pen head to be tested by the drill bit and transmit the cutting force to the controller. The device for testing the cutting force of the ball-point pen head material can effectively test the cutting force during the drilling and processing of the high-speed micropores of the ball-point pen head material, and is high in test precision and high in control intelligent degree.)

1. The utility model provides a ball-point pen head material cutting force testing arrangement which characterized in that: the test device comprises a test platform, a test mechanism and a drilling mechanism, wherein the test mechanism is provided with a fixed seat (10) which is positioned and installed on the upper surface of the test platform, a six-axis force sensor (11) which is positioned and installed on the upper side of the fixed seat (10), and a clamp (12) which is positioned and installed on the upper side of the six-axis force sensor (11) and is used for clamping a ball pen point to be tested;

The drilling mechanism is provided with a drilling motor (20) movably arranged above the test platform and a drill bit (21) detachably positioned and mounted on a power output shaft of the drilling motor (20), the drilling motor (20) and the drill bit (21) can move relative to the clamp (12) together, so that the drill bit (21) can cut a ball pen point to be tested on the clamp (12); at the moment, the six-axis force sensor (11) can sense the cutting force applied to the ballpoint pen head to be tested by the drill bit (21) and transmit the cutting force to the controller.

2. The device for testing the cutting force of the ballpoint pen tip material as described in claim 1, wherein: the six-axis force sensor is characterized in that a support base (13) is arranged, the support base (13) is fixedly installed on the upper side of the fixed base (10) through bolts, and the six-axis force sensor (11) is further fixedly installed on the upper side of the support base (13);

in addition, the clamp (12) adopts a three-jaw clamp, and the clamp (12) is further installed on the upper side of the six-axis force sensor (11) through bolt locking.

3. the device for testing the cutting force of the ballpoint pen tip material as described in claim 1, wherein: setting a coordinate system with an X axis and a Y axis on the upper surface of the test platform;

The structure for realizing that the drilling motor (20) and the drill bit (21) can move relative to the clamp (12) is as follows: the drilling mechanism is further provided with a support frame (22), a first driving module, a second driving module and a third driving module, wherein the support frame (22) is movably mounted on the upper surface of the test platform, and the support frame (22) can also be driven by the first driving module to perform reciprocating movement positioning along the X-axis direction; the drilling motor (20) is arranged on the support frame (22), and the drilling motor (20) can also be driven by the second driving module to perform reciprocating movement positioning along the Y-axis direction; in addition, the drilling motor (20) can also be driven by the third driving module to perform reciprocating movement positioning along the vertical direction.

4. The device for testing the cutting force of the ballpoint pen tip material as described in claim 3, wherein: two guide rails extending along the X-axis direction are laid on the upper surface of the test platform in a positioning mode, the two guide rails are arranged side by side along the Y-axis direction, and meanwhile the two guide rails are also located outside two opposite sides of the fixed seat (10) respectively;

The supporting frame (22) is provided with two upright posts which are also arranged side by side along the Y-axis direction and a cross beam which stretches across and is positioned and connected between the top sides of the two upright posts, and the bottom sides of the two upright posts are respectively and correspondingly arranged on the two guide rails in a sliding manner;

The first driving module is provided with a first driving motor, a first lead screw and a first nut block, wherein the first driving motor is installed on the upper surface of the testing platform in a positioning mode, the first lead screw extends along the X-axis direction and is movably installed on the upper surface of the testing platform, one shaft end of the first lead screw is also connected with a power output shaft of the first driving motor in a positioning mode, the first nut block is sleeved outside the first lead screw, meanwhile, the first nut block is also connected with the first lead screw in a threaded fit mode, and the first nut block is also connected with the bottom of the upright column in a positioning mode;

The second driving module is provided with a second driving motor, a second lead screw and a second nut block, wherein the second driving motor is installed on the cross beam in a positioning mode, the second lead screw extends along the Y-axis direction and is movably installed on the cross beam, one shaft end of the second lead screw is connected with a power output shaft of the second driving motor in a positioning mode, the second nut block is sleeved outside the second lead screw, meanwhile, the second nut block is connected with the second lead screw in a threaded matching mode, in addition, a bearing plate seat is connected to the second nut block in a positioning mode, and the drilling motor (20) is installed on one vertical side of the bearing plate seat.

5. the device for testing the cutting force of the ballpoint pen tip material as described in claim 4, wherein: the third drive module is provided with a hand wheel, a third lead screw and a third nut block, wherein the third lead screw extends along the vertical direction and is movably installed on one vertical side of the bearing plate seat, the upper shaft end of the third lead screw is further connected with the hand wheel in a positioning mode, the third nut block is sleeved outside the third lead screw and is connected with the third lead screw in a threaded fit mode, and the drilling motor (20) is installed on the third nut block in a positioning mode.

Technical Field

the invention relates to the technical field of ball pen testing devices, and particularly provides a ball pen point material cutting force testing device.

background

The easy processing performance of the ball-point pen point material is the premise of producing the pen point, the pen point processing process belongs to high-speed micropore drilling processing, and the pen point processing process is in a semi-closed state during drilling, so that various forces appearing in the cutting process are difficult to obtain through an experimental test method, and the performance of the ball-point pen point material cannot be evaluated through the cutting force. However, the cutting force belongs to an important parameter for the production of the ball-point pen head, so that experimental test research on the cutting force of the ball-point pen head material is necessary, the cutting parameter of the drilling process is optimized, the influence of the drilling force on the processing quality of the ball-point pen head is reduced, and the service life of a cutter is prolonged.

However, no testing device for effectively testing the cutting force during the high-speed micro-hole drilling processing of the ball-point pen point material exists in the industry at present, and the invention is particularly provided in view of the above.

disclosure of Invention

In order to overcome the defects, the invention provides the device for testing the cutting force of the ballpoint pen head material, which has the advantages of simple and reasonable structure, high intelligent control degree, capability of effectively testing the cutting force during high-speed micropore drilling and processing of the ballpoint pen head material and high test precision.

The technical scheme adopted by the invention for solving the technical problem is as follows: a device for testing the cutting force of a ball pen point material comprises a testing platform, a testing mechanism and a drilling mechanism, wherein the testing mechanism is provided with a fixed seat, a six-axis force sensor and a clamp, the fixed seat is positioned and installed on the upper surface of the testing platform, the six-axis force sensor is positioned and installed on the upper side of the fixed seat, and the clamp is positioned and installed on the upper side of the six-axis force sensor and used for clamping a ball pen point to be tested;

The drilling mechanism is provided with a drilling motor movably arranged above the test platform and a drill bit detachably positioned and installed on a power output shaft of the drilling motor, and the drilling motor and the drill bit can move relative to the clamp together so that the drill bit can cut a ball pen point to be tested on the clamp; at the moment, the six-axis force sensor can sense the cutting force applied to the ball-point pen head to be tested by the drill bit and transmit the cutting force to the controller.

As a further improvement of the invention, the six-axis force sensor is provided with a bracket seat, the bracket seat is fixedly installed on the upper side of the fixed seat through bolts, and the six-axis force sensor is also fixedly installed on the upper side of the bracket seat;

In addition, the clamp adopts a three-jaw clamp, and the clamp is further mounted on the upper side of the six-axis force sensor through bolt locking.

As a further improvement of the present invention, a coordinate system having an X axis and a Y axis is set on the upper surface of the test platform;

the structure for realizing that the drilling motor and the drill bit can move relative to the clamp together is as follows: the drilling mechanism is also provided with a support frame, a first driving module, a second driving module and a third driving module, wherein the support frame is movably arranged on the upper surface of the test platform and can be driven by the first driving module to perform reciprocating movement positioning along the X-axis direction; the drilling motor is arranged on the support frame and can also perform reciprocating movement positioning along the Y-axis direction under the driving of the second driving module; in addition, the drilling motor can also be driven by the third driving module to perform reciprocating movement positioning along the vertical direction.

As a further improvement of the invention, two guide rails extending along the X-axis direction are positioned and laid on the upper surface of the test platform, the two guide rails are arranged side by side along the Y-axis direction, and the two guide rails are also positioned outside the two opposite sides of the fixed seat respectively;

The supporting frame is provided with two upright posts which are also arranged side by side along the Y-axis direction and a cross beam which stretches across and is positioned and connected between the top sides of the two upright posts, and the bottom sides of the two upright posts are respectively and correspondingly arranged on the two guide rails in a sliding manner;

the first driving module is provided with a first driving motor, a first lead screw and a first nut block, wherein the first driving motor is installed on the upper surface of the testing platform in a positioning mode, the first lead screw extends along the X-axis direction and is movably installed on the upper surface of the testing platform, one shaft end of the first lead screw is also connected with a power output shaft of the first driving motor in a positioning mode, the first nut block is sleeved outside the first lead screw, meanwhile, the first nut block is also connected with the first lead screw in a threaded fit mode, and the first nut block is also connected with the bottom of the upright column in a positioning mode;

The second driving module is provided with a second driving motor, a second lead screw and a second nut block, wherein the second driving motor is positioned and installed on the cross beam, the second lead screw extends along the Y-axis direction and is movably installed on the cross beam, one shaft end of the second lead screw is fixedly connected with a power output shaft of the second driving motor, the second nut block is sleeved outside the second lead screw and is connected with the second lead screw in a threaded fit mode, in addition, a bearing plate seat is fixedly connected to the second nut block, and the drilling motor is installed on one vertical side of the bearing plate seat.

as a further improvement of the present invention, the third driving module has a hand wheel, a third lead screw and a third nut block, wherein the third lead screw extends in a vertical direction and is movably mounted on a vertical side of the bearing plate seat, an upper shaft end of the third lead screw is further connected to the hand wheel in a positioning manner, the third nut block is sleeved outside the third lead screw, and meanwhile, the third nut block is further connected to the third lead screw in a threaded fit manner, and the drilling motor is mounted to the third nut block in a positioning manner.

the invention has the beneficial effects that: compared with the prior art, the testing device can effectively test the cutting force during the high-speed micropore drilling and machining of the ball-point pen head material, and is high in testing precision, so that the machining quality of the ball-point pen head can be well improved. In addition, testing arrangement's simple structure, reasonable controls intelligent degree height, does benefit to the production and implements.

Drawings

FIG. 1 is a schematic view of a partial structure of a device for testing a cutting force of a ballpoint pen tip material according to the present invention;

FIG. 2 is a schematic view of a partial structure of the fixture and the six-axis force sensor of the present invention mounted on the fixed base at a first viewing angle;

Fig. 3 is a partial structural schematic view of the fixture and the six-axis force sensor of the present invention, which are assembled on the fixing base, and are in a second view.

the following description is made with reference to the accompanying drawings:

10-fixed seat 11-six-axis force sensor

12-clamp 13-support base

20-drilling motor 21-drill

22-support frame

Detailed Description

the following description of the embodiments of the present invention is provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical significance. The terms "first", "second" and "third" used in the present specification are for convenience of description only and are not intended to limit the scope of the present invention, and changes or modifications of their relative relationships may be made without substantial change in the technical content.