CN219485103U

CN219485103U - Contact type on-machine measuring device

Info

Publication number: CN219485103U
Application number: CN202320632877.7U
Authority: CN
Inventors: 徐彪; 张湛明; 张亚滨; 钱若琛; 李小秀
Original assignee: LANGFANG JINGDIAO MACHINE TOOL MANUFACTURING CO LTD
Current assignee: LANGFANG JINGDIAO MACHINE TOOL MANUFACTURING CO LTD
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-08
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to a contact type on-machine measuring device which comprises an installation bottom plate, an air cylinder, a guide rail, a sliding block, a measuring head fixing rod, a measuring head, an outer protective cover and a protective end cover, wherein the air cylinder and the guide rail are arranged on the installation bottom plate in parallel; the measuring head is arranged on the measuring head fixing rod; the mounting bottom plate is also provided with an outer protective cover which surrounds the air cylinder and the measuring head fixing rod, the lower end of the outer protective cover is hinged with a protective end cover, and the protective end cover is connected with the measuring head fixing rod through a connecting rod. The contact type on-machine measuring device has the advantages of simple structure, good rigidity, difficult vibration, high measuring precision and good protection effect.

Description

Contact type on-machine measuring device

Technical Field

The utility model belongs to the technical field of measurement, and particularly relates to a contact type on-machine measurement device.

Background

The existing on-machine measuring device comprises contact type measurement and non-contact type measurement, and compared with the non-contact type measurement, the contact type measurement has larger advantages in measurement accuracy, so that the application range is wider. The contact type measuring device can be divided into a cutter handle type mounting structure and an independent mounting structure according to the difference of the measuring head mounting structures, the measuring head of the cutter handle type mounting structure is placed in a cutter magazine, the measuring head is mounted on a spindle in a cutter changing mode during measurement, the measuring head is driven to finish measuring action through the movement of the spindle, after measuring is finished, the measuring head is required to be taken down, a cutter required for machining can be replaced, machining auxiliary time is long, and the position of the cutter magazine is occupied. The independent mounting structure is characterized in that the measuring head is mounted on the cutter moving shaft, the measuring head is pushed out to a fixed position by the air cylinder during measurement, the measuring head moves along with the movement of the cutter moving shaft to finish measurement, the measuring head returns to the initial position by the air cylinder, machining can be performed without executing tool changing action, and the machining auxiliary time is short, but the measuring head is in an overhanging state after the air cylinder is pushed out, vibration is easy to occur, and the measurement accuracy is affected. In addition, the existing independent mounting structure is mostly lack of protection at the measuring head, and is easy to be polluted by dust and oil mist existing in a machining area of a machine tool.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the contact type on-machine measuring device which has the advantages of simple structure, good rigidity, difficult vibration, high measuring precision and good protection effect.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the contact type on-machine measuring device comprises a mounting bottom plate, an air cylinder, a guide rail, a sliding block, a measuring head fixing rod, a measuring head, an outer protective cover and a protective end cover, wherein the air cylinder and the guide rail are arranged on the mounting bottom plate in parallel, the measuring head fixing rod acts on the guide rail through the sliding block, one end of the measuring head fixing rod is also connected with the air cylinder, and the air cylinder can slide up and down along the guide rail under the action of the air cylinder; the measuring head is arranged on the measuring head fixing rod; the mounting bottom plate is also provided with an outer protective cover which surrounds the air cylinder and the measuring head fixing rod, the lower end of the outer protective cover is hinged with a protective end cover, and the protective end cover is connected with the measuring head fixing rod through a connecting rod.

According to the contact type on-machine measuring device, when the measuring head fixing rod moves downwards under the action of the air cylinder, the protective end cover can be pushed to be opened, and when the measuring head fixing rod moves upwards under the action of the air cylinder, the protective end cover can be pulled to be closed.

The contact type on-machine measuring device is characterized in that the measuring head is a unidirectional measuring head or a multidirectional measuring head.

Compared with the prior art, the utility model has the beneficial effects that: the pushing action of the measuring head is guided by the guide rail sliding block pair, so that the pushing action is smoother, vibration of the measuring head during measurement can be effectively reduced, and the measuring precision is guaranteed. The measuring head is protected through the outer protective cover and the protective end cover, effective protection can be formed, the protective end cover is connected with the measuring head fixing rod through the connecting rod mechanism, opening and closing actions can be completed along with pushing out and withdrawing of the air cylinder, and the structure is compact. The measuring head can perform unidirectional or multidirectional detection, and workpiece positioning and processing quality detection can be realized.

Drawings

Fig. 1 is a schematic diagram of a probe withdrawal state according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a probe push-out state according to an embodiment of the present utility model.

Description of the embodiments

The utility model is described in further detail below with reference to the drawings and the detailed description. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, only for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1 and 2, the contact on-machine measuring device of the utility model comprises a mounting base plate 1, a cylinder 2, a guide rail 3, a measuring head fixing rod 4, a measuring head 5, an outer protective cover 6 and a protective end cover 7. The air cylinder 2 and the guide rail 3 are arranged on the mounting base plate 1 in parallel, the measuring head fixing rod 4 acts on the guide rail 3 through the sliding block, one end of the measuring head fixing rod 4 is also connected with the air cylinder 2, and the measuring head fixing rod can slide up and down along the guide rail 3 under the action of the air cylinder 2. The measuring head 5 is fixedly arranged at the lower end of the measuring head fixing rod 4. The outer protective cover 6 is arranged on the outer sides of the air cylinder 2, the guide rail 3 and the measuring head fixing rod 4 and is fixedly connected with the mounting bottom plate 1, the lower end of the outer protective cover 6 is hinged with the protective end cover 7, and the protective end cover 7 is connected with the measuring head fixing rod 4 through the connecting rod 8.

When the automatic detection device is in operation, the mounting bottom plate 1 of the automatic detection device can be fixed on a cutter moving shaft of a machine tool, when detection is needed, the detection head fixing rod 4 moves downwards under the action of the air cylinder 2 and pushes the protective end cover 7 to be opened to one side, the air cylinder 2 continues to push the detection head fixing rod 4 to move downwards to a fixed position, and at the moment, the detection head 5 is pushed out of place along with the detection head fixing rod 4 from the outer protective cover 6, and then workpiece positioning and processing quality detection can be carried out along with the movement of the cutter moving shaft. After the detection is finished, the cylinder 2 drives the measuring head fixing rod 4 to move upwards, and then the protective end cover 7 is pulled to be closed, so that the machine tool can continue to execute the machining action. The protective end cover 7 and the outer protective cover 6 form airtight protection, so that scraps and greasy dirt in processing can be effectively isolated, and the accuracy of the measuring head and the service life of the measuring head can be effectively ensured.

Although the present utility model has been described in detail hereinabove, the present utility model is not limited thereto and various modifications may be made by those skilled in the art in accordance with the principles of the present utility model. Therefore, all modifications made in accordance with the principles of the present utility model should be understood as falling within the scope of the present utility model.

Claims

1. The contact type on-machine measuring device is characterized by comprising an installation bottom plate, an air cylinder, a guide rail, a sliding block, a measuring head fixing rod, a measuring head, an outer protective cover and a protective end cover, wherein the air cylinder and the guide rail are arranged on the installation bottom plate in parallel, the measuring head fixing rod acts on the guide rail through the sliding block, one end of the measuring head fixing rod is connected with the air cylinder and can slide up and down along the guide rail under the action of the air cylinder; the measuring head is arranged on the measuring head fixing rod; the mounting bottom plate is also provided with an outer protective cover which surrounds the air cylinder and the measuring head fixing rod, the lower end of the outer protective cover is hinged with a protective end cover, and the protective end cover is connected with the measuring head fixing rod through a connecting rod.

2. The on-machine measuring device according to claim 1, wherein the measuring head fixing rod can push the protective end cover to be opened when moving downwards under the action of the air cylinder, and can pull the protective end cover to be closed when moving upwards under the action of the air cylinder.

3. A contact on-machine measuring device according to claim 1 or 2, wherein the measuring head is a unidirectional measuring head or a multidirectional measuring head.