CN217728091U

CN217728091U - Machine for measuring maximum entity of blank of machine external electrode

Info

Publication number: CN217728091U
Application number: CN202221592335.3U
Authority: CN
Inventors: 崔凤有; 刘明洋; 甘辉; 陈雪芳; 喻永康
Original assignee: Jiangsu Vocational College of Information Technology
Current assignee: Jiangsu Vocational College of Information Technology
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-04
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a machine external electrode blank maximum entity measuring machine, which comprises a bottom plate, wherein a three-coordinate measuring machine and a quick-change clamp are arranged on the bottom plate; the three-coordinate measuring machine comprises a three-axis module, a gauge block and a support, wherein the three-axis module is fixed on the bottom plate through the support, and the gauge block is fixed on the three-axis module through an insulated connecting plate and can move in three directions of X, Y, Z; the measuring block is in a hollow five-face cubic groove structure, and the front, rear, left, right and upper five faces of the measuring block are respectively a front measuring face, a rear measuring face, a left measuring face, a right measuring face and an upper measuring face; the gauge block is provided with a high potential interface, and the bottom plate is provided with a low potential interface. The utility model discloses outside being independent of machining center, in the production and processing of different specification electrodes, can replace machining center to measure blank overall dimension fast, not only do benefit to the intervention that improves machining center utilization efficiency, reduction operating personnel to the digital production process of lathe, measurement accuracy is high moreover, with low costs, flexible operation easy to use.

Description

Machine for measuring maximum entity of blank of machine external electrode

Technical Field

The utility model relates to an automatic change measurement field, specifically be a maximum entity measuring machine of outer electrode blank of machine.

Background

The electrode blank precision is three geometrical parameters of the actual size, shape and position of the part surface before machining. Before the electrode blank is machined, the external dimension and the position measurement precision of the electrode blank are important factors influencing the machining feed amount and the machining efficiency of a machine tool.

At present, in the actual machining process, the measurement method of the dimension of the electrode blank is on-machine measurement, and the measurement method is to measure the electrode blank directly on a machining center by trial cutting with a precision measurement tool or a cutter, so as to determine the position of the electrode on a machine tool, and the on-machine measurement method mainly comprises the following steps: photoelectric probe measurement method, trial cutting method, and the like. The photoelectric measuring head measuring method occupies long preparation time of the machine tool and has high cost; the trial cutting method is simple to operate, but cutting traces can be left on the surface of the electrode blank, and the tool setting precision is low. The on-machine measurement method not only occupies the precious operation time of the machine tool, but also increases the man-made workload, and the method is the mainstream practice in the industry at present.

In addition, the method for measuring the external three-coordinate system has high equipment cost, adopts special software and has complex operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a maximum entity measuring machine of off-machine electrode blank for the electrode blank breaks away from machining center, also can the maximum entity size of accurate measurement electrode blank, then to data transmission to machining center, does not occupy machine tooling preparation time, and equipment cost is low, easily operation.

In order to realize the purpose, the utility model adopts the technical proposal that:

a maximum entity measuring machine for an off-machine electrode blank comprises a bottom plate, wherein a three-coordinate measuring machine and a quick-change clamp are arranged on the bottom plate, and electrodes are mounted on the quick-change clamp; the three-coordinate measuring machine comprises a three-axis module, a gauge block and a support, wherein the three-axis module is fixed on the bottom plate through the support, and the gauge block is fixed on the three-axis module through an insulated connecting plate and can move along the X, Y, Z direction under the drive of the three-axis module; the measuring block is in a hollow five-face cubic groove structure without a bottom surface, and the front, rear, left, right and upper five faces of the measuring block are respectively a front measuring face, a rear measuring face, a left measuring face, a right measuring face and an upper measuring face; the gauge block is provided with a high potential interface which is connected with the 24V output end of the power supply, and the bottom plate is provided with a low potential interface which is connected with the grounding end of the power supply.

The support is including installing left front support, right front support, left back support and the right back support at the bottom plate upper surface.

The triaxial module includes left X axle straight line module, right X axle straight line module, Y axle straight line module and Z axle straight line module, and left X axle straight line module, right X axle straight line module, Y axle straight line module and Z axle straight line module all use linear guide as the direction, adopt motor drive ball to drive the slider motion, wherein the linear guide both ends of left X axle straight line module are fixed respectively on left front support and left back support, the linear guide both ends of right X axle straight line module are fixed respectively on right front support and right back support, the linear guide both ends of Y axle straight line module are fixed respectively on the slider of left X axle straight line module and the slider of right X axle straight line module, the linear guide of Z axle straight line module is fixed on the slider of Y axle straight line module, the gage block is installed on the slider of Z axle straight line module through insulating tie-up plate.

And observation holes are formed in the intersection positions of the front measuring surface, the rear measuring surface, the left measuring surface, the right measuring surface and the upper measuring surface.

The quick-change clamp is universal with a clamp used by a machine tool for processing an electrode blank, and has the same mounting interface and positioning precision.

The gauge block is made of aluminum alloy.

The material of the connecting plate is bakelite.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the maximum entity measuring machine of the external electrode blank provided by the utility model, the three-coordinate measuring machine and the quick-change clamp are jointly fixed on the bottom plate, the measuring block is arranged on the three-coordinate measuring machine, the measuring block is connected with the 24V output end of the power supply through the high potential interface, the high potential is obtained without forming a loop, and no current signal is generated; the bottom plate is connected with a power grounding terminal through a low potential interface. The measuring block does X, Y and Z-axis three-way movement along with a three-coordinate measuring machine, five measuring surfaces of a hollow groove of the measuring block are respectively contacted with five exposed front, rear, left, right and upper surfaces of an electrode, the measuring surfaces are contacted with the maximum salient points on the surface of the electrode due to the fact that the surface of an electrode blank is uneven, a loop is formed through a power supply, a high-potential interface, the measuring block, the electrode blank, a quick-change clamp, a bottom plate and a low-potential interface, a current signal is generated, a PLC control system sends an instruction of stopping movement, after five-surface measurement is completed, the maximum entity size of the electrode blank can be obtained, and then the data are transmitted to a machining center, so that the electrode blank is subjected to finish machining. The utility model provides a maximum entity measuring machine of outer electrode blank is the equipment outside being independent of machining center for the electrode blank breaks away from machining center and also can accurately measure the maximum entity size of electrode blank, in the production and processing of different specification electrodes, can replace machining center to measure the blank overall dimension fast, do not occupy machine tool machining preparation time, not only be favorable to improving machining center utilization efficiency, reduce the intervention of operating personnel to the digital production process of lathe, and measurement accuracy is high moreover, low equipment cost, the flexible operation is easy to use.

Further, the utility model discloses in five measuring faces on the gage block, the adjacent measuring face guarantees the straightness tolerance that hangs down, measures the face relatively and guarantees the depth of parallelism tolerance. The intersection of the five measuring surfaces is provided with an observation hole for observing the contact condition of the measuring surface of the measuring block and the electrode blank, and the function of reducing weight is realized; the gauge block is provided with a high potential interface, 24V voltage is applied during working, the bottom plate is provided with a low potential interface, and the gauge block has circuit disconnection and automatic connection functions before and after contacting with the electrode blank; the connecting plate is made of bakelite, has insulating property and has better mechanical strength and rigidity.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

wherein: the measuring device comprises a base plate 1, a bolt 2, a lower nut 3, an upper nut 4, a quick-change clamp 5, a left front support 6, a right front support 6', an electrode 7, a front measuring surface 8, a rear measuring surface 9, a measuring block 10, a high-potential interface 11, a connecting plate 12, a Z-axis linear module 13, a Y-axis linear module 14, a left X-axis linear module 15, a right X-axis linear module 15', a left rear support 16, a right rear support 16', a right measuring surface 17, an upper measuring surface 18, a left measuring surface 19, an observation hole 20 and a low-potential interface 21.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The utility model provides a pair of the biggest entity measuring machine of extra-mechanical electrode blank mainly solves and breaks away from machining center at the electrode blank, and the biggest entity size of accurate measurement electrode blank does not occupy the machine tooling preparation time.

As shown in figure 1, the utility model provides a maximum entity measuring machine of outer electrode blank includes bottom plate 1, three-coordinate measuring machine and quick change anchor clamps 5. The bottom plate 1 is arranged at the bottom of the three-coordinate measuring machine, and the bottom plate 1 is supported and fixed by a bolt 2, a lower nut 3 and an upper nut 4. The bottom plate 1 is provided with a quick-change fixture 5, the electrode 7 to be measured is installed on the quick-change fixture 5, and the quick-change fixture 5 is universal with a quick-change fixture used by a machining center and has the same installation interface and positioning accuracy. The three-coordinate measuring machine comprises a three-axis module, a gauge block 10 and a support. The support is including installing left front support 6, right front support 6', left back support 16 and right back support 16' at bottom plate 1 upper surface for support triaxial module. The three-axis module comprises a left X-axis linear module 15, a right X-axis linear module 15', a Y-axis linear module 14 and a Z-axis linear module 13 which are sequentially assembled in a superposition mode from bottom to top, each axis linear module takes a linear guide rail as a guide, and a motor is adopted to drive a ball screw to drive a sliding block to move; wherein, the two ends of the left X-axis linear module 15 are respectively fixed on the left front support 6 and the left rear support 16, the two ends of the right X-axis linear module 15 'are respectively fixed on the right front support 6' and the right rear support 16', the two ends of the Y-axis linear module 14 are fixed on the slide blocks of the left X-axis linear module 15 and the right X-axis linear module 15', and the Z-axis linear module 13 is fixed on the slide block of the Y-axis linear module 14. The gauge block 10 is installed on a slide block of a Z-axis linear module 13 through an insulated connecting plate 12, and the movement of X, Y, Z in three directions can be obtained. The gauge block 10 is a hollow five-face cubic groove structure (without a bottom surface and hollow inside); the front, rear, left, right and upper five surfaces of the hollow groove of the measuring block 10 are respectively a front measuring surface 8, a rear measuring surface 9, a left measuring surface 19, a right measuring surface 17 and an upper measuring surface 18, the precision is high, the measuring block is used as a base surface for measurement, and the adjacent surfaces in the five measuring surfaces ensure the verticality tolerance and the opposite surfaces ensure the parallelism tolerance; and the intersection of the five measuring surfaces is provided with an observation hole 20 which can also be used as a lightening hole. The high potential interface 11 is arranged on the gauge block 10 and connected with the 24V output end of the power supply, and the low potential interface 21 is arranged on the bottom plate 1 and connected with the grounding end of the power supply, so that the current on-off function is realized.

As shown in fig. 2, the utility model provides a maximum entity measuring machine of outer electrode blank mainly comprises three-dimensional measuring machine and quick change anchor clamps 5, and three-dimensional measuring machine and quick change anchor clamps 5 are fixed in on the bottom plate 1 jointly, and wherein three-dimensional measuring machine adopts the layout of gantry type frame, and gantry frame moves on X axle straight line module, through support height-adjusting, and the support has around fine setting left X axle straight line module 15 and right X axle straight line module 15', the function of left and right directions. The three-coordinate measuring machine firstly adjusts the X, Y direction position of the gauge block 10, so that the gauge block 10 is positioned right above the electrode 7 on the quick-change clamp 5, then the gauge block 10 descends along the Z direction, so that the electrode 7 enters the gauge block 10, the front measuring surface 8, the rear measuring surface 9, the left measuring surface 19, the right measuring surface 17 and the upper measuring surface 18 respectively touch the front, the rear, the left, the right and the upper five surfaces of the electrode 7, the maximum entity size of the electrode 7 is obtained, and the maximum entity measurement can be carried out on different electrodes 7 by replacing different electrodes 7 on the quick-change clamp 5.

The utility model discloses a theory of operation as follows:

the three-coordinate measuring machine can generate X-axis (front and back), Y-axis (left and right) and Z-axis (up and down) three-way numerical control motion; the gauge block 10 is arranged on a slide block of the Z-axis linear module 13, and the main body of the gauge block is of a hollow five-face cubic groove structure; the electrode 7 blank is the cuboid structure, and the material is red copper, installs on quick change anchor clamps 5. The three-coordinate measuring machine and the machining center are both provided with standard quick-change clamps 5, so that the electrodes 7 can be quickly and accurately exchanged between the three-coordinate measuring machine and the machining center. When the measuring block 10 works, the measuring block 10 is connected with 24V voltage, and no current is generated because the measuring block 10 is insulated from the main body of the three-coordinate measuring machine and does not form a loop; the gauge block 10 does X, Y and Z-axis three-way movement along with the three-coordinate measuring machine, and five base planes in the hollow groove of the gauge block 10 are as follows: the front measuring surface 8, the rear measuring surface 9, the right measuring surface 17, the upper measuring surface 18 and the left measuring surface 19 respectively correspond to the exposed front, rear, right, upper and left surfaces of the contact electrode 7, when the contact electrode contacts one surface, because the surface of the electrode 7 is uneven and meets the maximum salient point, a loop formed by a power supply, a high-potential interface 11, a measuring block 10, the electrode 7, the quick-change clamp 5, the bottom plate 1 and a low-potential interface 21 of the three-coordinate measuring machine generates current, feeds back a signal and stops moving; the PLC control system obtains the absolute positions of five surfaces of the electrode blank 7 relative to a reference zero point according to the pulse sent to the motor, and the maximum physical overall dimension of the electrode blank 7 can be obtained through further calculation. And then the data are transmitted to a machining center, the electrode blank 7 is subjected to finish machining, and the start and stop of the movement of the whole measuring process are finished by a PLC control system.

In addition, the utility model discloses a face point contact stops technique promptly, and gauge block 10 measures the base face and contacts the biggest bump in electrode surface promptly, and the circuit switches on feedback signal, and the motion stops immediately. Since the measuring base surface of the gauge block 10 is in surface-to-surface contact with the maximum salient point on the surface of the electrode 7, the maximum physical size of the electrode 7 is obtained; in order to reduce the weight of the gauge block 10 and reduce the offset load of the Z-axis linear module 13 slide block, the gauge block 10 is made of aluminum alloy, and certain hardness and rigidity can be ensured.

Because gauge block 10 and Z axle straight line module 13 slider insulation, consequently connecting plate 12 material chooses for the bakelite, and the bakelite has good electrical insulation, and mechanical strength and rigidity are also better.

The utility model discloses an outer electrode blank measuring machine of machine is through measuring outside the machine, the biggest entity size data of electrode blank of acquisition. In the electrode machining production, the device can replace a machining center to quickly measure the outline dimension of a blank, then transmits data to the machining center through the control device, and finally finishes finish machining of the electrode on the machining center, so that the utilization efficiency of the machining center is improved, the interference of operators on the digital production process of a machine tool can be reduced, the automatic production process is improved, and the error probability and the labor intensity are reduced.

The present invention has been described in further detail with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.

Claims

1. The utility model provides a machine for measuring the biggest entity of external electrode blank which characterized in that: the device comprises a bottom plate (1), wherein a three-coordinate measuring machine and a quick-change clamp (5) are arranged on the bottom plate (1), and an electrode (7) is arranged on the quick-change clamp (5); the three-coordinate measuring machine comprises a three-axis module, a gauge block (10) and a support, wherein the three-axis module is fixed on the bottom plate (1) through the support, and the gauge block (10) is fixed on the three-axis module through an insulated connecting plate (12) and can move in the X, Y, Z three directions under the driving of the three-axis module; the measuring block (10) is of a hollow five-face cubic groove structure, a bottom surface is not arranged, and the front, rear, left, right and upper five surfaces of the measuring block are respectively a front measuring surface (8), a rear measuring surface (9), a left measuring surface (19), a right measuring surface (17) and an upper measuring surface (18); the gauge block (10) is provided with a high potential interface (11) which is connected with the 24V output end of a power supply, and the bottom plate (1) is provided with a low potential interface (21) which is connected with the grounding end of the power supply.

2. The machine of claim 1, wherein the maximum solid measurement of the off-machine electrode blank is as follows: the support is including installing left front support (6), right front support (6 '), left back support (16) and right back support (16') at bottom plate (1) upper surface.

3. The machine of claim 2, wherein the machine is characterized in that: the three-axis module comprises a left X-axis linear module (15), a right X-axis linear module (15 '), a Y-axis linear module (14) and a Z-axis linear module (13), and the left X-axis linear module (15), the right X-axis linear module (15'), the Y-axis linear module (14) and the Z-axis linear module (13) all use linear guide rails as guides and adopt a motor to drive a ball screw to drive a slider to move, wherein two ends of a linear guide rail of the left X-axis linear module (15) are respectively fixed on a left front support (6) and a left rear support (16), two ends of a linear guide rail of the right X-axis linear module (15 ') are respectively fixed on a right front support (6') and a right rear support (16 '), two ends of a linear guide rail of the Y-axis linear module (14) are respectively fixed on a slider of the left X-axis linear module (15) and a slider of the right X-axis linear module (15'), a linear guide rail of the Z-axis linear module (13) is fixed on a slider of the Y-axis linear module (14), and a gauge block (10) is installed on a slider (13) of the Z-axis linear module (12) through an insulated connecting plate.

4. The machine of claim 1, wherein the machine is characterized in that: and an observation hole (20) is formed at the intersection of the front measuring surface (8), the rear measuring surface (9), the left measuring surface (19), the right measuring surface (17) and the upper measuring surface (18).

5. The machine of claim 1, wherein the maximum solid measurement of the off-machine electrode blank is as follows: the quick-change clamp (5) is universal with a clamp used by a machine tool for processing an electrode blank, and has the same mounting interface and positioning accuracy.

6. The machine of claim 1, wherein the maximum solid measurement of the off-machine electrode blank is as follows: the gauge block (10) is made of aluminum alloy.

7. The machine of claim 1, wherein the maximum solid measurement of the off-machine electrode blank is as follows: the material of the connecting plate (12) is bakelite.