CN107457604B

CN107457604B - Probe protection device

Info

Publication number: CN107457604B
Application number: CN201710941293.7A
Authority: CN
Inventors: 夏军
Original assignee: Shenzhen Chuangzhi Laser Intelligent Equipment Co ltd
Current assignee: Shenzhen Chuangzhi Laser Intelligent Equipment Co ltd
Priority date: 2017-10-11
Filing date: 2017-10-11
Publication date: 2023-06-30
Anticipated expiration: 2037-10-11
Also published as: CN107457604A

Abstract

The invention discloses a probe protecting device, which comprises: the probe comprises an air cylinder, a floating joint, a probe group detection reset door and a fixing frame. The floating joint is fixed below the air cylinder and moves linearly under the driving of the air cylinder. The probe assembly is fixed at the bottom of the floating joint and moves in one pass with the floating joint. The probe is fixed at the bottom of the probe head assembly. The reset door is arranged on the fixing frame. The fixing frame is positioned below the probe. When the cylinder drives the floating joint and the probe assembly to move towards the direction of the fixing frame, the reset door is opened, the probe is inserted into the reset door for detection, and when the detection is finished, the cylinder drives the floating joint and the probe assembly to move reversely until the probe is completely pulled out from the fixing frame, and the reset door is automatically closed. According to the probe protecting device, through the accurate resetting function of the resetting gate, the probe is protected from being stuck by cutting fluid and cutting scraps, the service life of the probe is prolonged, the measuring time is effectively saved, and the machining efficiency is improved.

Description

Probe protection device

Technical Field

The invention relates to the technical field of numerical control machining, in particular to a probe protecting device.

Background

With the continuous improvement of numerical control machining technology, the probe is very important to be applied to a numerical control machine tool. The probe is a detection device in the machine tool, and the probe is composed of a moving part, a probe cable joint and other parts.

The probe component configured by the existing numerical control machine tool is easy to adhere to greasy dirt and impurities such as cutting fluid, cutting scraps and the like during processing, the service life of the probe is shortened, and the measuring precision of the probe is affected.

Disclosure of Invention

The invention mainly aims to provide a probe protecting device, which aims to solve the problems that the prior probe is easy to adhere cutting fluid and cutting scraps during processing, so that the service life of the probe is reduced, and the measuring precision of the probe is affected.

To achieve the above object, the present application provides a probe guard including: the probe assembly is fixed to the bottom of the floating joint and moves in a communicated mode with the floating joint, the probe is fixed to the bottom of the probe assembly, the reset door is mounted on the fixing frame, the fixing frame is located below the probe, when the air cylinder drives the floating joint and the probe assembly to move in the direction of the fixing frame, the reset door is opened, the probe is inserted into the reset door to be detected, when the detection is completed, the air cylinder drives the floating joint and the probe assembly to move reversely until the probe is completely pulled out from the fixing frame, and the reset door is automatically closed.

Optionally, the probe assembly further comprises a pair of top blocks fixed on the side surfaces of the probe assembly respectively, and when the probe moves towards the direction of the fixing frame, the reset door is pushed open by the pair of top blocks.

Optionally, when the top block contacts the reset gate, the top block and the reset gate are in a line contact state.

Optionally, the distance between the top block and the horizontal plane is greater than the distance between the probe and the horizontal plane.

Optionally, the reset gate includes a first gate and a second gate opposite to the first gate, the second gate is provided with a hole matching with the position and the size of the probe, and the probe is inserted into the hole to push the first gate and the second gate to open.

Optionally, the second door extends near one end of the first door to form a supporting part to support the end of the first door.

Optionally, the mount includes a plurality of pivots, first hinge, second hinge, and reset spring, the pivot is fixed on the mount, reset spring fixes in the pivot, first hinge with the second hinge is fixed respectively in different pivots, and round the pivot rotates, in order to with reset spring compression and reset.

Optionally, the first door and the second door are respectively installed on the first hinge and the second hinge, and when the first door and the second door are opened or closed, the return spring is compressed and reset.

Optionally, the number of the rotating shafts is 4, the number of the first hinges is 2, the number of the second hinges is 2, and the number of the return springs 14 is 4.

Optionally, the device further comprises a front frame and a water retaining coaming, wherein the water retaining coaming is tightly pressed on the fixing frame through the front frame so as to play a processing protection role.

The probe protecting device provided by the invention comprises: the probe comprises an air cylinder, a floating joint, a probe group detection reset door and a fixing frame. The floating joint is fixed below the air cylinder and moves linearly under the driving of the air cylinder. The probe assembly is fixed at the bottom of the floating joint and moves in one pass with the floating joint. The probe is fixed at the bottom of the probe head assembly. The reset door is arranged on the fixing frame. The fixing frame is positioned below the probe. When the cylinder drives the floating joint and the probe assembly to move towards the direction of the fixing frame, the reset door is opened, the probe is inserted into the reset door for detection, and when the detection is finished, the cylinder drives the floating joint and the probe assembly to move reversely until the probe is completely pulled out from the fixing frame, and the reset door is automatically closed. Compared with the prior art, the probe protecting device has the advantages that the probe is protected from being stuck by cutting fluid and cutting scraps through the accurate resetting action of the resetting door, the service life of the probe is prolonged, the measuring time is effectively saved, and the machining efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a probe protection device according to a preferred embodiment of the present application, where the schematic structural view of the probe protection device includes a probe and a fixing frame.

Fig. 2 is a schematic view of a structure in which the top block in fig. 1 is just contacted with the fixing frame.

Fig. 3 is a schematic view of the probe in fig. 1 fully inserted into the holder.

Fig. 4 is a schematic top view of the holder of fig. 1.

Fig. 5 is a schematic cross-sectional view of the holder of fig. 4.

Fig. 6 is an enlarged partial schematic view of the holder of fig. 5.

Fig. 7 is another angular schematic view of the holder of fig. 1.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Fig. 1 is a schematic structural diagram of a probe protection device according to a preferred embodiment of the present application. In fig. 1, the probe guard includes a cylinder 1, a floating joint 2, a probe assembly 3, a pair of top blocks 4, a probe 5, a reset gate, a fixed frame 8, a front frame 9, and a water deflector shroud 10. Wherein the floating joint 2 is fixed below the cylinder 1 and moves in the vertical direction by the driving of the cylinder 1. The probe assembly 3 is fixed to the bottom of the floating joint 2 and moves with the movement of the floating joint 2. A pair of roof blocks 4 are fixed to the left and right sides of the probe assembly 3, respectively. The probe 5 is fixed to the bottom of the probe head assembly 3, and a pair of top blocks 4 are symmetrically disposed at both sides of the probe 5. The reset gate is mounted on the mount 8. The holder 8 is located below the probe 5. The water retaining coaming 10 is tightly pressed on the fixed frame 8 through the front frame 9 so as to play a processing protection role. When the probe is in operation, the air cylinder 1 drives the floating joint 2 and the probe assembly 3 to move towards the direction of the fixed frame 8, the pair of ejector blocks 4 are propped against the reset gate to be opened, so that the probe 5 enters the detection of the inside of the machine tool in the fixed frame 8 from the opened reset gate, when the detection is finished, the air cylinder 1 drives the floating joint 2 and the probe assembly 3 to move reversely until the probe 5 is completely extracted from the fixed frame 8, the reset gate is automatically closed, cutting fluid and cutting scraps are prevented from being stuck to the probe 5, the probe 5 is better protected, the service life of the probe 5 is prolonged, the measuring time is effectively saved, and the processing efficiency is improved.

As shown in fig. 2, when the floating joint 2 drives the probe assembly 3 and the probe 5 to move downwards, the probe assembly has a certain inclination angle. When the top block 4 is in contact with the reset gate, the top block 4 is always in line contact with the reset gate. As shown in fig. 3, even in the case where the top block 4 completely pushes up the reset door, it is possible to ensure a smooth operation, ensure the accuracy of the measurement and positioning of the probe 5, and also extend the service life of the reset door, so that the top block 4 can smoothly open or close the reset door.

Optionally, the heights of the top blocks 4 can be adjusted according to actual use conditions, and the pair of top blocks 4 can be set at the same height of the probe assembly 3 or at different heights, so as to achieve the effect of orderly switching on and off the reset gate. Preferably, the distance of the top piece 4 from the horizontal plane is greater than the distance of the probe 5 from the horizontal plane.

As shown in fig. 4, in the present embodiment, the reset door is mounted on a mount 8, which includes a first door 6, a second door 7. The first door 6 and the second door 7 are disposed opposite to each other, and the two doors can be opened or closed relatively. The second door 7 is provided with a hole 71, the size of the hole 71 is matched with the size of the probe 5, and the position of the hole 71 corresponds to the position of the probe 5.

As shown in fig. 5 and 6, a schematic cross-sectional view of the holder 8 is shown. In fig. 5 and 6, the second door 7 is extended near one end of the first door 6 to form a supporting portion 72 to support the end of the first door 6. Referring to fig. 1 to 4, when the probe 5 moves downward, the hole 71 is inserted first to apply a downward force to the second door 7, and when the second door 7 moves downward, the supporting portion 72 moves downward, and the first door 6 and the second door 7 are opened due to lack of support of the supporting portion 72 by the first door 6, and then the first door 6 and the second door 7 are abutted by the pair of the ejector blocks 4 until the two doors are completely opened. The probe protection device of this embodiment is through setting up first door 6 and second door 7 for reset door's structure is compacter, and two doors open and close in order, and not only work is steady, also reaches a fine isolated effect.

In other embodiments, the reset gate may have other structures, as long as the reset gate can automatically reset, and the embodiment is not particularly limited herein.

As shown in fig. 7, the mount 8 includes a rotation shaft 11, a first hinge 12, a second hinge 13, and a return spring 14. The plurality of rotating shafts 11 are uniformly fixed on the fixing frame 8. The return spring 14 is fixed to the rotation shaft 11. The first hinge 12 is disposed opposite to the second hinge 13, and the first hinge 12 is fixed on the corresponding rotating shaft 11, and the second hinge 13 is fixed on the corresponding rotating shaft 11. The first hinge 12 and the second hinge 13 rotate around the rotation shaft 11 to compress and return the return spring 14.

The rotating shaft 11, the left hinge 12, the right hinge 13 and the reset spring 14 of the fixing frame 8 form a simple reset structure, the assembly is simple, the door can be effectively and stably opened and closed, the probe 5 can be conveniently used for measuring and positioning, the fixing frame 8 can play a role in accurate reset, the service life of the probe is prolonged, the measuring time is effectively saved, and the machining efficiency is improved.

In the present embodiment, the number of the rotating shafts 11 is 4, the number of the first hinges 12 is 2, the number of the second hinges 13 is 2, and the number of the return springs 14 is 4.

The first door 6 and the second door 7 are mounted on a first hinge 12 and a second hinge 13, respectively. When the cylinder 1 pushes the floating joint 2 to move downward so that the probe assembly 3 works downward, the probe 5 is inserted into the hole 71 first. When the probe 5 descends until the top block 4 contacts the first door 6 and the second door 7, the top block 4 pushes the first door 6 and the second door 7 open, the return spring 14 is compressed, and the probe assembly 3 continues to operate downward until the first door 6 and the second door 7 are completely opened, and the top block 4 maintains a linear contact state with the first door 6 and the second door 7.

When the probe 5 is returned along the original route after finishing measuring and positioning until the top block 4 is separated from the first door 6 and the second door 7, the two doors are sequentially and stably reset under the action of the reset spring 14, and the cylinder 1, the floating joint 2 and the probe assembly 3 return to the initial positions.

According to the probe protection device provided by the invention, when the probe 5 moves downwards under the drive of the air cylinder 1, the floating joint 2 and the probe assembly 3, the reset door is opened, so that the probe 5 performs detection work, when the probe 5 finishes working and exits from the reset door, the air cylinder 1, the floating joint 2 and the probe assembly 3 return to the initial positions, the reset door is automatically reset, the probe 5 is prevented from being stuck by cutting fluid and cutting scraps through the accurate reset action of the reset door, the service life of the probe 5 is prolonged, the measurement time is effectively saved, and the processing efficiency is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. A probe guard, comprising: the probe assembly is fixed at the bottom of the floating joint and moves together with the floating joint, the probe is fixed at the bottom of the probe assembly, the reset door is arranged on the fixing frame, the fixing frame is positioned below the probe, when the air cylinder drives the floating joint and the probe assembly to move towards the fixing frame, the reset door is opened, the probe is inserted into the reset door to be detected, and when the detection is finished, the air cylinder drives the floating joint and the probe assembly to move reversely until the probe is completely pulled out from the fixing frame, and the reset door is automatically closed;

the probe assembly comprises a probe assembly, a probe, a pair of jack blocks, a reset door and a control unit, wherein the probe assembly is connected with the probe assembly through the probe assembly;

the reset door comprises a first door and a second door which is arranged opposite to the first door, the second door is provided with a hole matched with the position and the size of the probe, and when the probe is inserted into the hole, a pair of ejector blocks push the first door and the second door to be opened;

one end of the second door, which is close to the first door, extends to form a supporting part so as to support the tail end of the first door;

the fixing frame comprises a plurality of rotating shafts, a first hinge, a second hinge and a reset spring, wherein the rotating shafts are fixed on the fixing frame, the reset spring is fixed on the rotating shafts, and the first hinge and the second hinge are respectively fixed on different rotating shafts and rotate around the rotating shafts so as to compress or reset the reset spring;

the first door and the second door are respectively arranged on the first hinge and the second hinge;

the return spring is compressed when the first door and the second door are opened, and the return spring is returned when the first door and the second door are closed.

2. The probe guard of claim 1, wherein the top block is in line contact with the reset gate when the top block contacts the reset gate.

3. The probe guard of claim 2, wherein the distance of the top piece from the horizontal is greater than the distance of the probe from the horizontal.

4. The probe guard of claim 1, wherein the number of shafts is 4, the number of first hinges is 2, the number of second hinges is 2, and the number of return springs is 4.

5. The probe guard of claim 1, further comprising a front frame, and a water deflector panel, the water deflector panel being pressed against the mount by the front frame to provide a machining guard.