Machine tool measuring head device and machine tool

Abstract

The utility model discloses a machine tool measuring head device and a machine tool. A supporting base of the measuring head device can be connected with a machine head of an external machine tool, the supporting base is connected with the linear module, the power input end of the linear module is connected with the driving assembly, the measuring head rod assembly is installed at the movable end of the linear module, and a measuring head is installed on the side penetration rod assembly. The measuring head is installed on the linear module, the straightness and rigidity can be better guaranteed, the direction of the measuring head can be driven, maneuverability is improved, the measuring head can ascend and contract when a workpiece is ground at ordinary times so that the measuring head can be hidden, the non-interference effect can be achieved, the measuring head does not need to be replaced in a tool changing mode, the time for measuring the workpiece is greatly saved, and the working efficiency is improved. And the machine tool is provided with a calibration workpiece, so that the repeated positioning precision of the measuring head is improved. Installation is convenient and simple, time is saved, and meanwhile precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe technical field, more specifically, especially relates to a lathe measuring head device and lathe. BACKGROUND

[0002] Lathe measuring head can be installed on numerical control lathe, machining center, numerical control grinding machine and most numerical control machine tools, does not need human intervention in the processing cycle, directly measures the size and position of the tool or workpiece, and automatically corrects the offset of the workpiece or tool according to the measurement result, so that the same machine tool can process higher-precision parts, the lathe measuring head in the prior art generally adopts two installation modes, one is to place the measuring head on the tool magazine, install it on the machine head for detection through tool changing, which increases the tool changing time and also loses part of the accuracy, the second is to place the measuring head on the machine tool, but without calibration function, also loses part of the repeat positioning accuracy. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of lathe measuring head device and lathe, which will not occupy tool changing time, and cumulative error is small.

[0004] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] A kind of lathe measuring head device, comprising the following components:

[0006] Calibration workpiece, which can be installed in external machine tool as reference workpiece detected by measuring head device;

[0007] Measuring head device, which can be installed on the machine head of external machine tool, is used for measuring the size and position of tool or workpiece directly;

[0008] The measuring head device comprises a support seat, a linear module, a driving assembly, a measuring head rod assembly and a measuring head.

[0009] The support seat can be connected with the machine head of external machine tool, the support seat is connected with the linear module, the power input end of the linear module is connected with the driving assembly, the movable end of the linear module is provided with the measuring head rod assembly, and the measuring head rod assembly is provided with the measuring head.

[0010] Optionally, the support seat is a plate-shaped structure, one side of the support seat is connected with the linear module, a plurality of notches are formed in the side of the support seat, and enclosing plates are further installed on the two sides of the support seat.

[0011] Optionally, the linear module comprises a base, a screw rod, a movable block, a nut, a first end block and a second end block, the side of the base is connected with the support seat, one end of the support seat is connected with the first end block, the other end of the support seat is connected with the second end block, and the screw rod is rotatably connected between the first end block and the second end block, one end of the screw rod is connected with the universal joint after penetrating through the first end block, and the screw rod is connected with the movable block through the nut.

[0012] Optionally, the measuring head rod assembly comprises a measuring head rod mounting seat, a clamping seat and a measuring head rod, the measuring head rod mounting seat is fixedly connected with the movable block, the clamping seat is mounted on the measuring head rod mounting seat, and the measuring head rod is clamped on the clamping seat.

[0013] Optionally, the measuring head device further comprises two organ protective covers, namely a first organ protective cover and a second organ protective cover, one end of the first organ protective cover is connected with the first end block, the other end of the first organ protective cover is mounted on one end of the measuring head rod mounting seat, the second organ protective cover is connected with the second end block, and the other end of the second organ protective cover is mounted on the other end of the measuring head rod mounting seat.

[0014] Optionally, the driving assembly is an electric machine or a motor, the electric machine or the motor is mounted on the first end block, and the extending rod of the electric machine or the motor is connected with the universal joint.

[0015] Optionally, the first end block is further provided with a mounting box, and the electric machine or the motor is accommodated in the mounting box.

[0016] Optionally, the calibration workpiece is a hollow ring with a recessed step in the middle.

[0017] The machine tool measuring head device is characterized in that the measuring head is mounted on the linear module, the straightness and rigidity can be ensured, the direction of the measuring head can be driven, the machine tool is provided with a calibration workpiece, the repeatability of the measuring head is improved, the installation is convenient and simple, the time is saved, and the precision is improved.

[0018] Compared with the prior art, the machine tool measuring head device has the advantages that:

[0019] The machine tool measuring head device of the present application has the advantages that the measuring head is mounted on the linear module, the straightness and rigidity can be ensured, the direction of the measuring head can be driven, the machine tool is provided with a calibration workpiece, the repeatability of the measuring head is improved, the installation is convenient and simple, the time is saved, and the precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0021] Figure 1 is a three-dimensional view of the machine tool probe device in the present disclosure;

[0022] Figure 2 is a partial sectional view of the machine tool probe device in the present disclosure;

[0023] Figure 3 is a front view of the machine tool probe device in the present disclosure;

[0024] Figure 4 is a structural schematic view of the driving assembly in the present disclosure. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present application will be described in detail below with reference to the drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application can be more clearly defined.

[0026] Referring to Figure 1 , Figure 2 , Figure 3 , the present application provides a machine tool probe device, comprising the following components:

[0027] The workpiece A is calibrated and can be installed in an external machine tool as a reference workpiece detected by the probe device B;

[0028] The probe device B can be installed on the head of the external machine tool and is used for directly measuring the size and position of the tool or workpiece;

[0029] The probe device B comprises a support seat 1, a linear module 2, a driving assembly 3, a probe rod assembly 4 and a probe 5;

[0030] The support seat 1 can be connected with the head of the external machine tool, the support seat 1 is connected with the linear module 2, the power input end of the linear module 2 is connected with the driving assembly 3, the linear module 2 is driven by the driving assembly 3 to move linearly, the driving assembly 3 can be a motor, a motor or other power components, the movable end of the linear module 2 is provided with the probe rod assembly 4, which can drive the probe rod assembly 4 to move up and down, the probe rod assembly 4 is provided with the probe 5, and the probe 5 can be moved to the workpiece to be measured or the reference workpiece.

[0031] In an embodiment, the support seat 1 is a plate-shaped structure, one side of the support seat 1 is connected with the linear module 2, and the other side can be connected with the headstock of the machine tool, a plurality of cutouts 11 are formed in the side of the support seat 1, for reducing the weight of the support seat 1, and a surrounding baffle 12 is further mounted on the two sides of the support seat 1, which can be used to shield the cutouts 11.

[0032] Referring to Figure 4 As shown in the drawings, the linear module 2 comprises a base 21, a screw rod 22, a movable block 23, a nut, a first end block 24 and a second end block 25, the side of the base 21 is connected with the support seat 1 for fixing the base 21, one end of the support seat 1 is connected with the first end block 24, the other end of the support seat 1 is connected with the second end block 25, and the screw rod 22 is further rotatably connected between the first end block 24 and the second end block 25, one end of the screw rod 22 is connected with a universal joint 27 after penetrating through the first end block 24, and the screw rod 22 is connected with the movable block 23 through the nut, and the nut can be driven to move up and down by rotating the screw rod 22, so as to drive the movable block 23 to move up and down.

[0033] Referring to Figure 2 As shown in the drawings, the probe rod assembly 4 comprises a probe rod mounting seat 41, a clamping seat 42 and a probe rod 43, the probe rod mounting seat 41 is fixedly connected with the movable block 23 for moving up and down with the movable block 23, the clamping seat 42 is mounted on the probe rod mounting seat 41, and the probe rod 43 is clamped on the clamping seat 42, the clamping seat 42 can clamp the probe rod 43, so as to conveniently clamp or disassemble the probe rod 43, and the up and down position of the probe rod 43 can also be quickly adjusted, and the probe rod mounting seat 41 and the clamping seat 42 can also be provided with a protective cover for protecting the internal structure.

[0034] Referring to Figure 1 , Figure 2 As shown in the drawings, the probe device B further comprises two organ protective covers 7, including a first organ protective cover 71 and a second organ protective cover 72, one end of the first organ protective cover 71 is connected with the first end block 24, the other end of the first organ protective cover 72 is mounted on one end of the probe rod mounting seat 41, the second organ protective cover 72 is connected with the second end block 25, and the other end of the second organ protective cover 72 is mounted on the other end of the probe rod mounting seat 41. When the probe rod mounting seat 41 moves upward, the first organ protective cover 71 contracts, and the second organ protective cover 72 stretches; when the probe rod mounting seat 41 moves downward, the first organ protective cover 71 stretches, and the second organ protective cover 72 contracts; and the protective cover can protect the screw rod 22 and the nut in the linear module 2.

[0035] Specifically, the driving assembly 3 is an electric motor or motor, which is installed on the first end block 24, and the extension rod of the electric motor or motor is connected with the universal joint 27.

[0036] In the embodiment, the calibration workpiece A is a hollow ring with a recessed step in the middle.

[0037] The present disclosure also provides a machine tool comprising the machine tool probe device described above, wherein the calibration workpiece A is installed in the machine tool, and the probe device B is installed on the machine head.

[0038] The machine tool probe device and the machine tool in the present disclosure can ensure straightness and rigidity, drive the direction of the probe 5, increase the mobility, and hide the probe 5 by moving upward when the straight line module 2 is raised and retracted during normal grinding of the workpiece, thereby not interfering with the action of other components.

[0039] Although the embodiments of the present disclosure are described in combination with the drawings, the patent owner can make various modifications or changes within the scope of the appended claims, as long as they do not exceed the protection scope described in the claims of the present disclosure, and should be within the protection scope of the present disclosure.

Claims

1. A machine tool probe device, characterized in that, Includes the following components: The calibration workpiece can be installed in an external machine tool as a reference workpiece for the probe device to detect; The probe device can be mounted on the head of an external machine tool for direct measurement of the size and position of the tool or workpiece; The probe device includes a support base, a linear module, a drive assembly, a probe rod assembly, and a probe. The support base can be connected to the head of an external machine tool. The support base is connected to the linear module. The power input end of the linear module is connected to the drive assembly. The probe rod assembly is installed on the movable end of the linear module. The probe is installed on the probe rod assembly.

2. The machine tool probe device according to claim 1, characterized in that: The support base is a plate-shaped structure. One side of the support base is connected to the linear module. Multiple cuts are provided on the side of the support base. Enclosure plates are also installed on both sides of the support base.

3. The machine tool probe device according to claim 2, characterized in that: The linear module includes a base, a screw, a movable block, a nut, a first end stop, and a second end stop. The side of the base is connected to the support base. One end of the support base is connected to the first end stop, and the other end of the support base is connected to the second end stop. The screw is rotatably connected between the first end stop and the second end stop. One end of the screw passes through the first end stop and is connected to a universal joint. The screw is connected to the movable block through a nut.

4. The machine tool probe device according to claim 3, characterized in that: The probe rod assembly includes a probe rod mounting base, a clamping base, and a probe rod. The probe rod mounting base is fixedly connected to the movable block, and the clamping base is mounted on the probe rod mounting base, with the probe rod clamped onto the clamping base.

5. The machine tool probe device according to claim 4, characterized in that: The probe device also includes a bellows cover, and there are two bellows covers, including a first bellows dust cover and a second bellows dust cover. One end of the first bellows dust cover is connected to the first end block, and the other end of the first bellows dust cover is installed on one end of the probe rod mounting base. The second bellows dust cover is connected to the second end block, and the other end of the second bellows dust cover is installed on the other end of the probe rod mounting base.

6. The machine tool probe device according to claim 3, characterized in that: The drive component is a motor, which is mounted on a first end stop, and the extension rod of the motor is connected to the universal joint.

7. The machine tool probe device according to claim 6, characterized in that: A mounting box is also installed on the first end block, and the motor is housed in the mounting box.

8. The machine tool probe device according to claim 1, characterized in that: The calibration workpiece is a hollow ring with a recessed step in the middle.

9. A machine tool, characterized in that: The device includes the machine tool probe according to any one of claims 1-8, wherein the calibrated workpiece is installed in the machine tool and the probe is installed on the machine head.

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