CN212665599U - Detecting device of CNC (computer numerical control) machine tool - Google Patents
Detecting device of CNC (computer numerical control) machine tool Download PDFInfo
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- CN212665599U CN212665599U CN202021026464.7U CN202021026464U CN212665599U CN 212665599 U CN212665599 U CN 212665599U CN 202021026464 U CN202021026464 U CN 202021026464U CN 212665599 U CN212665599 U CN 212665599U
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- rod
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Abstract
The utility model relates to a CNC processing check out test set technical field specifically discloses a detecting device of CNC lathe, and this detecting device includes: the probe comprises a shell, a probe connected with the shell, a probe rod and a lever which are arranged in the shell, and a probe which is arranged outside the shell and is used for contacting a measured object; the lever comprises a central fulcrum connected with the shell, a probe rod end and a probe end, wherein the probe rod end and the probe end are positioned on two sides of the central fulcrum; when the probe moves upwards and the probe is contacted with a measured object, the probe moves downwards and the end of the probe moves upwards, and the probe receives the upward acting force of the end of the probe to trigger the signal trigger mechanism to generate a detection signal. In this way, the utility model discloses can convert the ascending power of probe into the decurrent power of probe through the lever, accomplish the process that the probe surveyed downwards at the process of probe upward movement, improve the machining size precision.
Description
Technical Field
The utility model relates to a CNC processing check out test set technical field especially relates to a detecting device of CNC lathe.
Background
When the existing probe rod is used for upward detection, the probe rod cannot trigger to generate a detection signal, the probe rod can be broken or a link out of a thread is broken, and therefore the existing probe rod cannot achieve the purpose of upward detection, some machining sizes which take the bottom surface as a reference can only be guaranteed by a process, but are affected by tolerance and positioning tolerance, the precision of the machining sizes is not high, and the requirements of users cannot be met.
Disclosure of Invention
The utility model provides a detection device of CNC lathe can realize the direction conversion of force, realizes the probe and upwards measures, improves the machining size precision.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is a probing device of a CNC machine tool, comprising: the probe comprises a shell, a probe rod, a lever and a probe, wherein the shell is internally provided with an accommodating space, the probe is connected with the shell, the probe rod and the lever are arranged in the accommodating space, and the probe is arranged outside the shell and is used for contacting a measured object;
the probe is internally provided with a signal triggering mechanism for generating a detection signal, the top end of the probe rod is fixedly connected with the signal triggering mechanism, the lever comprises a central fulcrum connected with the shell, a probe rod end and a probe end, the probe rod end and the probe end are positioned on two sides of the central fulcrum, the motion directions of the probe rod end and the probe end are opposite, the probe rod end is abutted against the bottom end of the probe rod, and the probe end is fixedly connected with the probe;
when the probe moves upwards and the probe is contacted with the object to be detected, the probe moves downwards and the probe rod end moves upwards, and the probe rod receives the upward acting force of the probe rod end to trigger the signal triggering mechanism to generate a detection signal.
According to the utility model discloses an embodiment, accommodation space is including being used for holding the first spacing passageway of probe rod and being used for holding the spacing passageway of second of lever, the one end of first spacing passageway with probe fixed connection, the other end of first spacing passageway with the one end through connection of the spacing passageway of second, the other end of the spacing passageway of second with the lateral wall of casing link up.
According to an embodiment of the present invention, the central fulcrum passes through the second spacing channel with the casing is connected.
According to an embodiment of the present invention, the probe end has a range of motion of 0 to 30 ° with respect to the central fulcrum.
According to an embodiment of the present invention, the detecting device further comprises a limiting mechanism provided in the housing for limiting the position of the lever.
According to the utility model discloses an embodiment, stop gear include with lever fixed connection's spring and with spring fixed connection's mounting, the bottom of mounting with casing fixed connection the probe not with when the testee contacts, the spring freely stretches out and draws back so that the lever drives the probe is in horizontal position.
According to the utility model discloses an embodiment, the probe includes both ends opening and inside hollow set casing, the one end of set casing with the connection can be dismantled to the casing, the other end and the handle of a knife spiro union of set casing, signal trigger mechanism including be fixed in the set casing first fixed part, locate on the first fixed part and with probe rod fixed connection's trigger assembly and locating elastic component on the trigger assembly.
According to the utility model discloses an embodiment, first fixed part central point puts and is equipped with the opening, trigger the subassembly including locating second fixed part, the interval of opening top are fixed in the contact of second fixed part and locating on the first fixed part and with the inductor that the contact looks butt, the below of second fixed part is passed through the opening with probe rod fixed connection, the top of second fixed part with the elastic component is connected, works as the probe rod atress makes the inductor with when the contact breaks contact, signal trigger mechanism produces the probing signal.
According to the utility model discloses an embodiment, the probe rod includes the body of rod, connects body of rod one end with the first connecting portion and the connection of signal trigger mechanism the body of rod other end with the second connecting portion of probe rod end.
According to an embodiment of the invention, the housing comprises a first shell and a second shell detachably connected.
The utility model has the advantages that: the upward force of the probe is converted into the downward force of the probe through the lever, the downward detection process of the probe is completed in the upward movement process of the probe, and the machining size precision is improved.
Drawings
Fig. 1 is a schematic perspective view of a detecting device of a CNC machine according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an exploded view of the probe and the probe according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a signal triggering mechanism according to an embodiment of the present invention;
fig. 5 is a partial exploded view of the detecting device of the CNC machine according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of an accommodating space according to an embodiment of the present invention;
fig. 7 is a schematic diagram showing a state where the detecting device of the CNC machine according to the embodiment of the present invention does not measure the measured object;
fig. 8 is a schematic diagram of a state in which the detecting device of the CNC machine according to the embodiment of the present invention measures the measured object.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Fig. 1 is a schematic structural diagram of a detecting device of a CNC machine according to an embodiment of the present invention, fig. 2 is a sectional view of fig. 1 along a-a line, please refer to fig. 1 and fig. 2, the detecting device 100 includes a housing 10 having an accommodating space 11 therein, a probe 20 connected to the housing 10, a probe 30 and a lever 40 disposed in the accommodating space 11, and a probe 50 disposed outside the housing 10 for contacting an object to be measured.
Referring to fig. 1-3, the probe 20 is connected to a tool shank 60, and the tool shank 60 is connected to a CNC machine. The probe 20 comprises a fixing shell 21 with two open ends and a hollow interior, one end of the fixing shell 21 is detachably connected with the housing 10, preferably, the fixing shell 21 is fixedly connected with the housing 10 through a first screw 1, and the other end of the fixing shell 21 is screwed with the tool holder 60. The fixed casing 21 is provided with a signal triggering mechanism 22 for generating a detection signal, referring to fig. 4, the signal triggering mechanism 22 includes a first fixed portion 221 fixed in the fixed casing 21, a triggering component 222 disposed on the first fixed portion 221 and fixedly connected to the probe rod 30, and an elastic member 223 disposed on the triggering component 222.
Further, referring to fig. 4, the first fixing portion 221 is provided with a through hole 2211 at a central position, the trigger assembly 222 includes a second fixing portion 2221 disposed above the through hole 2211, contact bodies 2222 fixed to the second fixing portion 2221 at intervals, and an inductor 2223 disposed on the first fixing portion 221 and abutted against the contact bodies 2222, a lower portion of the second fixing portion 2221 is fixedly connected to the probe rod 30 through the through hole 2211, and an upper portion of the second fixing portion 2221 is connected to the elastic member 223. The elastic member 223 of the present embodiment is preferably a spring. When the probe rod 30 is not stressed or is stressed with only a vertical upward force, the inductor 2223 abuts against the contact body 2222, and at this time, the signal triggering mechanism 22 is not triggered to generate a detection signal; when the probe 30 is subjected to unbalanced force, the position of the probe 30 is shifted, the inductor 2223 is disconnected from the contact body 2222, the trigger signal triggering mechanism 22 generates a detection signal, and the signal triggering mechanism 22 transmits the detection signal to the CNC machine.
Referring to fig. 3, the probe 30 includes a rod 31, a first connecting portion 32 and a second connecting portion 33, wherein the first connecting portion 32 connects one end of the rod 31 and the second fixing portion 2221, and the second connecting portion 33 connects the other end of the rod 31 and the lever 40.
Referring to fig. 1 and 5, the housing 10 includes a first housing 12 and a second housing 13 detachably connected to each other, in this embodiment, the first housing 12 and the second housing 13 are fixedly connected to each other by a second screw 2 to form a receiving space 11, which is convenient for installation and maintenance of the detecting device 100.
Further, referring to fig. 2, 5 and 6, the accommodating space 11 includes a first limiting channel 111 for accommodating the probe 30 and a second limiting channel 112 for accommodating the lever 40, the first limiting channel 111 limits a movement range of the probe 30, the second limiting channel 112 limits a movement range of the lever 40, one end of the first limiting channel 111 is fixedly connected to the fixing shell 21, the other end of the first limiting channel 111 is connected to one end of the second limiting channel 112 in a penetrating manner, and the other end of the second limiting channel 112 is connected to a side wall of the housing 10 in a penetrating manner.
Referring to fig. 1, 2, 3, 5 and 6, the lever 40 includes a central fulcrum 41 connected to the housing 10, and a probe end 42 and a probe end 43 located at two sides of the central fulcrum 41, the movement directions of the probe end 42 and the probe end 43 are opposite, the probe end 42 extends into the first limiting channel 111 and abuts against the bottom end of the second connecting portion 33, and the probe end 43 is fixedly connected to the probe 50.
Further, the third screw 3 penetrates through the second limiting channel 112 and the housing 10 and is connected with the central fulcrum 41. The motion range of the probe end 43 relative to the central fulcrum 41 in the second limit channel 112 is 0-30 degrees.
Referring to fig. 2, the detecting device 100 further includes a limiting mechanism 70 disposed in the housing 10 for limiting the position of the lever 40 in the natural state. The natural state here means that the probe rod 30 is moving still and the probe 50 is not contacting the object to be tested, the limiting mechanism 70 includes a spring 71 fixedly connected with the lever 40 and a fixing member 72 fixedly connected with the spring 71, the bottom of the fixing member 72 is fixedly connected with the bottom wall of the housing 10, preferably, the fixing member 72 of this embodiment is a screw, the nut end of the screw is fixedly connected with the bottom wall of the housing 10, and the stud end of the screw is fixedly connected with the spring 71.
As shown in fig. 7, when the probe 30 is in a stationary motion and the probe 50 is not in contact with the object to be detected 80, the spring 71 freely stretches and contracts to enable the lever 40 to drive the probe 50 to be in a horizontal position, at this time, the probe 30 is perpendicular to the lever 40, the probe end 42 is in contact with the probe 30, and the probe 30 is acted by a vertical upward force, so that the signal triggering mechanism 22 is not triggered to generate a detection signal; as shown in fig. 8, when the probe 50 contacts the object to be measured 80 and the probe 20 drives the probe 30 to move upward, the probe end 43 moves downward, the spring 71 compresses, and meanwhile, due to the lever action of the central fulcrum 41, the probe end 42 moves upward, at this time, the probe end 42 abuts against the probe 30, the probe 30 is subjected to an upward unbalanced acting force, the position of the probe 30 is deviated, the trigger signal starting mechanism 22 generates a detection signal, in the process that the probe 20 drives the probe 30 to continue moving upward, the probe 50 completes the downward detection process, compared with the conventional detection device, the processing size is ensured through the process, and the accuracy of the processing size is improved.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A probing apparatus for a CNC machine, comprising:
the probe comprises a shell, a probe rod, a lever and a probe, wherein the shell is internally provided with an accommodating space, the probe is connected with the shell, the probe rod and the lever are arranged in the accommodating space, and the probe is arranged outside the shell and is used for contacting a measured object;
the probe is internally provided with a signal triggering mechanism for generating a detection signal, the top end of the probe rod is fixedly connected with the signal triggering mechanism, the lever comprises a central fulcrum connected with the shell, a probe rod end and a probe end, the probe rod end and the probe end are positioned on two sides of the central fulcrum, the motion directions of the probe rod end and the probe end are opposite, the probe rod end is abutted against the bottom end of the probe rod, and the probe end is fixedly connected with the probe;
when the probe moves upwards and the probe is contacted with the object to be detected, the probe moves downwards and the probe rod end moves upwards, and the probe rod receives the upward acting force of the probe rod end to trigger the signal triggering mechanism to generate a detection signal.
2. The detection device according to claim 1, wherein the accommodating space comprises a first limiting channel for accommodating the probe rod and a second limiting channel for accommodating the lever, one end of the first limiting channel is fixedly connected with the probe, the other end of the first limiting channel is communicated with one end of the second limiting channel, and the other end of the second limiting channel is communicated with the side wall of the housing.
3. The probe apparatus of claim 2, wherein the central fulcrum is connected to the housing through the second spacing channel.
4. The probe apparatus of claim 1, wherein the probe tip has a range of motion of 0 to 30 ° relative to the central pivot point.
5. The probe apparatus of claim 1, further comprising a limiting mechanism disposed in the housing for limiting the position of the lever.
6. The detecting device according to claim 5, wherein the limiting mechanism comprises a spring fixedly connected with the lever and a fixing member fixedly connected with the spring, the bottom of the fixing member is fixedly connected with the housing, and when the probe is not in contact with the object to be detected, the spring freely stretches and retracts to enable the lever to drive the probe to be in a horizontal position.
7. The detection device according to claim 1, wherein the probe comprises a fixed shell with two open ends and a hollow interior, one end of the fixed shell is detachably connected with the shell, the other end of the fixed shell is in threaded connection with the handle, and the signal trigger mechanism comprises a first fixed part fixed in the fixed shell, a trigger assembly arranged on the first fixed part and fixedly connected with the probe rod, and an elastic part arranged on the trigger assembly.
8. The detecting device according to claim 7, wherein the first fixing portion is provided with a through opening at a central position, the triggering assembly includes a second fixing portion disposed above the through opening, a contact body fixed to the second fixing portion at an interval, and an inductor disposed on the first fixing portion and abutting against the contact body, a lower portion of the second fixing portion is fixedly connected to the probe through the through opening, an upper portion of the second fixing portion is connected to the elastic member, and the signal triggering mechanism generates the detecting signal when the probe is forced to disconnect the inductor from the contact body.
9. The probe apparatus of claim 1, wherein the probe comprises a shaft, a first connecting portion connecting one end of the shaft to the signal triggering mechanism, and a second connecting portion connecting the other end of the shaft to the probe end.
10. The probe apparatus of claim 1, wherein the housing comprises first and second removably coupled housings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026464.7U CN212665599U (en) | 2020-06-05 | 2020-06-05 | Detecting device of CNC (computer numerical control) machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026464.7U CN212665599U (en) | 2020-06-05 | 2020-06-05 | Detecting device of CNC (computer numerical control) machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212665599U true CN212665599U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021026464.7U Active CN212665599U (en) | 2020-06-05 | 2020-06-05 | Detecting device of CNC (computer numerical control) machine tool |
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| Country | Link |
|---|---|
| CN (1) | CN212665599U (en) |
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- 2020-06-05 CN CN202021026464.7U patent/CN212665599U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 352000 No. 89, Luojiang Gongye Road, Fu'an City, Ningde City, Fujian Province Patentee after: Ningde Changying New Energy Technology Co.,Ltd. Patentee after: Dongguan xinmeiyang Technology Co., Ltd Address before: 523000 Building 2, No.3, Jingcheng 2nd Road, Huangjiang Town, Dongguan City, Guangdong Province Patentee before: Dongguan xinmeiyang Technology Co.,Ltd. |