CN219325047U

CN219325047U - Self-early-warning type anti-interference high-precision numerical control machine tool

Info

Publication number: CN219325047U
Application number: CN202320260514.5U
Authority: CN
Inventors: 金台�; 陈海威; 刘建林; 金鑫; 刘杰
Original assignee: Yongqing County Xinhong Plastic Hardware Co ltd
Current assignee: Yongqing County Xinhong Plastic Hardware Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-11
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a self-early-warning type anti-interference high-precision numerical control machine tool, which comprises a machine tool body, wherein a linear module is fixed on the upper surface of the machine tool body, a tool rest is fixed on the upper surface of the linear module, an early warning mechanism for improving the self-early-warning protection effect is arranged on the upper surface of the tool rest, an auxiliary mechanism for avoiding the tool rest from derailing is arranged on the back surface of the linear module, and the early warning mechanism comprises two fixing plates fixed on the upper surface of the tool rest through bolts. This from early warning formula anti-interference high accuracy digit control machine tool has through having set up early warning mechanism, through mutually supporting between fixed plate, signal receiver, connecting plate, anti-interference case and early warning sensor and audible and visual alarm etc. can be together installed along with signal receiver when installing the cutter on the knife rest, and signal receiver cooperation early warning sensor can improve early warning monitoring accuracy simultaneously to anti-interference case can reduce the interference transmission of external factor to laser signal.

Description

Self-early-warning type anti-interference high-precision numerical control machine tool

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a self-early-warning type anti-interference high-precision numerical control machine tool.

Background

The working principle of the numerical control machine tool is as follows: after a series of processing is carried out on the information recorded by the numerical control device in a numerical control mode through the input device, a command is sent to an executing mechanism such as a machine tool main shaft and feeding through a servo system and a programmable controller, the machine tool main body is used for completing the processing of a workpiece according to the commands, the processing precision of the numerical control machine tool can generally reach 0.05-0.1 MM, the numerical control machine tool is controlled in a digital signal mode, each time the numerical control device outputs a pulse signal, a moving part of the machine tool moves by one pulse equivalent (generally 0.001 MM), and the reverse gap of a machine tool feeding transmission chain and the average pitch error of a screw rod can be compensated by the numerical control device.

The utility model discloses a from early warning type anti-interference high accuracy digit control machine tool in chinese patent publication No. (CN 213702726U), including the digit control machine tool main part, the upper end surface of digit control machine tool main part is provided with the alarm, the upper end surface of alarm is provided with the warning light, the front end surface of digit control machine tool main part is provided with the controller, the inboard surface of digit control machine tool main part is provided with slide rail assembly, the upper end surface of slide rail assembly is provided with the knife rest subassembly, through setting up displacement sensor at one side surface of knife rest subassembly, the digit control machine tool main part passes through information carrier input numerical control device, when the condition of taking place the overtravel, displacement sensor will signal transmission to alarm and warning light department, remind the operator, make the operator in time discover the overtravel problem, can reduce the loss, through setting up the limiting plate at the side end surface of knife assembly, the limiting plate blocks the cutter, also prevents when making the knife installation more firm, but still has the problem to prevent to pop out to the detection guard against self-warning sensor in this patent, the sensor exposes in prior art and is provided with the knife rest outside, and just set up the corresponding signal to the wide angle sensor is not shelter from detecting the base point to the error to the position sensor and is the error and is judged to the work piece is detected to the error and is detected to the angle sensor is not easily to the error to the angle is detected to the factor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a self-early-warning type anti-interference high-precision numerical control machine tool, which has the advantages of self-early-warning monitoring protection and the like, and solves the problem of poor detection protection effect on a self-early-warning sensor in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-early-warning type anti-interference high-precision numerical control machine tool comprises a machine tool body, wherein a linear module is fixed on the upper surface of the machine tool body, a tool rest is fixed on the upper surface of the linear module, an early warning mechanism for improving the self-early-warning protection effect is arranged on the upper surface of the tool rest, and an auxiliary mechanism for avoiding the tool rest from derailing is arranged on the back surface of the linear module;

the early warning mechanism comprises two fixing plates fixed on the upper surface of the tool rest through bolts, signal receivers are fixed on one sides of the two opposite fixing plates, a connecting plate is fixed on the back wall of the inner cavity of the machine tool body, an anti-interference box is fixed on the front surface of the connecting plate, and an early warning sensor is fixed on the back wall of the inner cavity of the anti-interference box.

Further, the front of the machine tool body is hinged with a rotating plate through a hinge bracket, and a controller is fixed on the front of the rotating plate.

Further, the shape of the fixing plate is L-shaped, and the front surface of the anti-interference box is provided with a transmitting hole.

Further, an audible and visual alarm is fixed on the upper surface of the machine tool body, and the early warning sensor is a laser displacement sensor.

Further, the auxiliary mechanism comprises a supporting plate fixed on the back of the linear module, a limiting block is fixed on the upper surface of the supporting plate, mounting plates are fixed on the left side and the right side of the tool rest through bolts, and stop blocks are fixed on the back of the two mounting plates.

Further, the front of stopper is fixed with the blotter, the thickness of stopper is greater than the thickness of backup pad.

Further, the front surface of the stop block and the back surface of the knife rest are positioned on the same horizontal plane, and the length of the stop block is smaller than that of the limiting block.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this from early warning formula anti-interference high accuracy digit control machine tool has through having set up early warning mechanism, through mutually supporting between fixed plate, signal receiver, connecting plate, anti-interference case and early warning sensor and audible and visual alarm etc. can be together installed along with signal receiver when installing the cutter on the knife rest, and signal receiver cooperation early warning sensor can improve early warning monitoring accuracy simultaneously to anti-interference case can reduce the interference transmission of external factor to laser signal.

2. This from early warning type anti-interference high accuracy digit control machine tool has through having set up assist mechanism, through mutually supporting between backup pad, stopper, mounting panel and dog and the blotter etc. can set up on sharp module and knife rest and assist the derailment prevention and use, avoids the derailment that produces by the data error between knife rest and the sharp module when can not in time handle after the early warning certainly, facilitates the use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the early warning mechanism of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is a schematic diagram of an accessory mechanism of the present utility model.

In the figure: the machine tool comprises a machine tool body 1, a linear module 2, a tool rest 3, a 4 early warning mechanism, a 401 fixing plate, a 402 signal receiver, a 403 connecting plate, a 404 anti-interference box, a 405 early warning sensor, a 406 audible and visual alarm, a 5 auxiliary mechanism, a 501 supporting plate, a 502 limiting block, a 503 mounting plate, a 504 stop block and a 505 buffer cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a self-warning type anti-interference high-precision numerical control machine tool in the embodiment comprises a machine tool body 1, wherein a linear module 2 is fixed on the upper surface of the machine tool body 1, a tool rest 3 is driven by the linear module 2 to transversely and longitudinally move so as to realize different shape processing of a workpiece according to a numerical control program, the tool rest 3 is fixed on the upper surface of the linear module 2, a warning mechanism 4 for improving the self-warning protection effect is arranged on the upper surface of the tool rest 3, and an auxiliary mechanism 5 for avoiding the tool rest 3 from derailing is arranged on the back surface of the linear module 2.

In this embodiment, the front surface of the machine tool body 1 is hinged with a rotating plate through a hinge bracket, and the front surface of the rotating plate is fixed with a controller, the control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized through simple programming by a person skilled in the art, and the supply of power also belongs to common knowledge in the art, so the utility model does not explain the control mode and circuit connection in detail, and the electrical appliances appearing in the application are common electrical appliances in the prior art, and the application is not repeated.

Referring to fig. 2-3, in order to monitor and pre-warn the travel distance of the tool rest 3 on the linear module 2, the pre-warn mechanism 4 in this embodiment includes two fixing plates 401 fixed on the upper surface of the tool rest 3 by bolts, when the tool is mounted on the tool rest 3, the fixing plates 401 and the fixing bolts on the tool rest 3 are connected for fixing and mounting, one side of the two fixing plates 401 opposite to each other is fixed with a signal receiver 402, the back wall of the inner cavity of the machine tool body 1 is fixed with a connecting plate 403, the front surface of the connecting plate 403 is fixed with an anti-interference box 404, and the anti-interference box 404 cooperates with the transmitting port thereof to reduce the interference of the surrounding processing environment to the pre-warn sensor 405 on the premise that the infrared laser can normally transmit, and the back wall of the inner cavity of the anti-interference box 404 is fixed with the pre-warn sensor 405.

In this embodiment, the fixing plate 401 is L-shaped, the front of the anti-interference box 404 is provided with a transmitting hole, the upper surface of the machine tool body 1 is fixed with an audible and visual alarm 406, when the distance between the early warning sensor 405 and the signal receiver 402 is smaller than the minimum value set by the user through the sensor, the controller will start the audible and visual alarm 406 electrically connected with the early warning sensor 405 through a wire to perform audible and visual mixing reminding to perform self-warning, the early warning sensor 405 is a laser displacement sensor, when the tool rest 3 drives the tool to move to cut a workpiece, the laser transmitter in the early warning sensor 405 transmits visible red laser to the signal receiver 402 through a lens, the laser reflected by the signal receiver 402 is received by a CCD linear camera in the early warning sensor 405, the CCD linear camera can "see" the light spot at different angles according to different distances, and the distance between the known laser and the known camera can calculate the distance between the early warning sensor 405 and the signal receiver 402.

Referring to fig. 4, in order to assist in preventing derailment of the tool rest 3 after overtravel self-warning, the assist mechanism 5 in this embodiment includes a support plate 501 fixed on the back of the linear module 2, a limiting block 502 is fixed on the upper surface of the support plate 501, mounting plates 503 are fixed on the left and right sides of the tool rest 3 through bolts, and stoppers 504 are fixed on the back of the two mounting plates 503, and when derailment of the tool rest 3 and the linear module 2 due to data errors cannot be handled in time after self-warning, the stoppers 504 move along with the tool rest 3 to contact with the buffering cushion 505 and the limiting block 502, thereby limiting the position of the tool rest 3 to avoid derailment due to data errors.

In this embodiment, the front of stopper 502 is fixed with blotter 505, and the thickness of stopper 502 is greater than the thickness of backup pad 501, and stopper 502 can play the effect that increases area of contact and play the stopping protection, and the front of dog 504 is located same horizontal plane with the back of knife rest 3, and the length of dog 504 is less than the length of stopper 502, and blotter 505 then can play certain cushioning effect, avoids colliding the installation accuracy that damages knife rest 3.

The working principle of the embodiment is as follows:

(1) When the tool rest 3 is used for monitoring and early warning on the process distance of the linear module 2, the fixing plate 401 can be fixedly installed and used in connection with the fixing bolt on the tool rest 3 when the tool rest 3 is used for installing a tool, when the tool rest 3 drives the tool to move to cut a workpiece, a laser emitter in the early warning sensor 405 emits visible red laser to the signal receiver 402 through a lens, laser reflected by the signal receiver 402 is received by a CCD linear camera in the early warning sensor 405, the CCD linear camera can 'see' the light spot at different angles according to different distances, the distance between the early warning sensor 405 and the signal receiver 402 can be calculated by a processor according to the angle and the known distance between the laser and the camera, and when the distance between the early warning sensor 405 and the signal receiver 402 is smaller than the minimum value set by a user, the controller can start an acousto-optic mixed warning effect with the acousto-optic alarm 406 electrically connected with the controller through a wire to perform an acousto-optic mixing warning effect, and meanwhile, the anti-interference box 404 can be matched with the laser emitter to reduce the ambient processing environment under the premise of keeping the emitting infrared light to normally interfere with the laser sensor 405.

(2) When the tool rest 3 is used in an auxiliary mode of preventing derailment after overtravel self-warning, when the machine tool body 1 carries out numerical control processing on a workpiece, the linear module 2 is utilized to drive the tool rest 3 to transversely and longitudinally move so as to realize processing of different shapes of the workpiece according to the numerical control program, when the tool rest 3 and the linear module 2 cannot be timely processed after self-warning, when the tool rest 3 and the linear module 2 are derailed due to data errors, the stop block 504 moves along with the tool rest 3 to contact the buffer cushion 505 and the stop block 502 so as to limit the position of the tool rest 3, the stop block 502 can play a role of increasing the contact area to prevent protection, and the buffer cushion 505 can play a certain buffering role to avoid collision damage to the installation precision of the tool rest 3.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.

If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from early warning formula anti-interference high accuracy digit control machine tool, includes lathe body (1), its characterized in that: the automatic early warning device is characterized in that a linear module (2) is fixed on the upper surface of the machine tool body (1), a tool rest (3) is fixed on the upper surface of the linear module (2), an early warning mechanism (4) for improving the self-early warning protection effect is arranged on the upper surface of the tool rest (3), and an auxiliary mechanism (5) for avoiding the derailment of the tool rest (3) is arranged on the back of the linear module (2);

the early warning mechanism (4) comprises two fixing plates (401) fixed on the upper surface of the tool rest (3) through bolts, signal receivers (402) are fixed on one sides of the two fixing plates (401) which are opposite to each other, a connecting plate (403) is fixed on the back wall of the inner cavity of the machine tool body (1), an anti-interference box (404) is fixed on the front surface of the connecting plate (403), and an early warning sensor (405) is fixed on the back wall of the inner cavity of the anti-interference box (404).

2. The self-early warning type anti-interference high-precision numerical control machine tool according to claim 1, wherein the self-early warning type anti-interference high-precision numerical control machine tool is characterized in that: the front of the machine tool body (1) is hinged with a rotating plate through a hinge bracket, and the front of the rotating plate is fixed with a controller.

3. The self-early warning type anti-interference high-precision numerical control machine tool according to claim 1, wherein the self-early warning type anti-interference high-precision numerical control machine tool is characterized in that: the shape of the fixing plate (401) is L-shaped, and the front surface of the anti-interference box (404) is provided with a transmitting hole.

4. The self-early warning type anti-interference high-precision numerical control machine tool according to claim 1, wherein the self-early warning type anti-interference high-precision numerical control machine tool is characterized in that: an audible and visual alarm (406) is fixed on the upper surface of the machine tool body (1), and the early warning sensor (405) is a laser displacement sensor.

5. The self-early warning type anti-interference high-precision numerical control machine tool according to claim 1, wherein the self-early warning type anti-interference high-precision numerical control machine tool is characterized in that: the auxiliary mechanism (5) comprises a supporting plate (501) fixed on the back of the linear module (2), limiting blocks (502) are fixed on the upper surface of the supporting plate (501), mounting plates (503) are fixed on the left side and the right side of the tool rest (3) through bolts, and stop blocks (504) are fixed on the back of the two mounting plates (503).

6. The self-early warning type anti-interference high-precision numerical control machine tool according to claim 5, wherein the self-early warning type anti-interference high-precision numerical control machine tool is characterized in that: the front of stopper (502) is fixed with blotter (505), the thickness of stopper (502) is greater than the thickness of backup pad (501).

7. The self-early warning type anti-interference high-precision numerical control machine tool according to claim 5, wherein the self-early warning type anti-interference high-precision numerical control machine tool is characterized in that: the front surface of the stop block (504) and the back surface of the tool rest (3) are positioned on the same horizontal plane, and the length of the stop block (504) is smaller than that of the limiting block (502).