CN215432806U

CN215432806U - Fine depth control mechanism of milling machine

Info

Publication number: CN215432806U
Application number: CN202121507149.0U
Authority: CN
Inventors: 扈佃新
Original assignee: Shanghai Tianshuo Machinery Co Ltd
Current assignee: Shanghai Tianshuo Machinery Co Ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-07
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a fine depth control mechanism of a milling machine, which comprises a milling machine bottom plate, wherein a supporting side plate is vertically arranged on the right side above the milling machine bottom plate; the placing plate is installed at the front end of the supporting side plate, a sliding rail is installed at the joint of the supporting side plate and the placing plate, and nut pieces are arranged on the left side and the right side of the placing plate; the fine adjustment screw rod penetrates through the nut piece, one end of the nut piece is fixed on a bottom plate of the milling machine through a bearing, and a fine adjustment motor is arranged above the nut piece; and the PLC is installed at the rear end of the supporting side plate. This meticulous degree of depth control mechanism of milling machine compares with current device, through the range finding sensor that sets up, can carry out real-time measurement to the distance between work piece and the processing milling cutter to carry out work through PLC controller control trimmer motor, highly finely tune placing the board, thereby improve the precision of milling machine processing, avoid the error.

Description

Fine depth control mechanism of milling machine

Technical Field

The utility model relates to the technical field of milling machines, in particular to a fine depth control mechanism of a milling machine.

Background

The milling machine is a machine tool for milling a workpiece by using a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments. The milling machine is a machine tool with wide application, and can process planes (horizontal planes and vertical planes), grooves (key grooves, T-shaped grooves, dovetail grooves and the like), tooth dividing parts (gears, spline shafts and chain wheels), spiral surfaces (threads and spiral grooves) and various curved surfaces on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When the milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates to move mainly, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head.

Chinese patent authorizes bulletin number CN212734987U, and the bulletin day is 2021 year 03 month 19 days, discloses the meticulous degree of depth control mechanism of milling machine, involves the milling machine processing field, including the milling machine body, be equipped with the elevating platform on the milling machine body, fixed mounting has an upper fixed plate and a lower fixed plate on milling machine body one side, has seted up the rotatory hole on the lower fixed plate, and the lead screw is installed to the rotatory downthehole rotation, and outside the both ends of lead screw all extended to the rotatory hole, the screw thread cover had been cup jointed on the lead screw, has seted up protruding type spout on the milling machine body, and slidable mounting has protruding type slider in the protruding type spout, and one side fixed mounting of protruding type slider is sheathe screw in. According to the utility model, through the arrangement of the screw rod, the threaded sleeve, the connecting plate, the limiting block, the rack and the tooth block, the lifting height of the lifting platform can be limited through adjusting the position of the limiting block, so that the processing depth is limited, the phenomenon that the processing depth scale of each product is observed when the products are processed in batches is avoided, the production efficiency can be effectively improved, and the processing quality is improved.

The above prior art has the following disadvantages: according to the technical scheme, the depth cannot be finely measured, when a workpiece is machined, the depth cannot be constantly monitored, and the workpiece cannot be machined to the required precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fine depth control mechanism of a milling machine, which aims to solve the problem that the precision required by the processing of a workpiece cannot be achieved because the depth cannot be measured finely and the depth cannot be monitored constantly when the workpiece is processed in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a milling machine fine depth control mechanism comprising:

the milling machine bottom plate is vertically provided with a supporting side plate on the right side above the milling machine bottom plate;

the placing plate is installed at the front end of the supporting side plate, a sliding rail is installed at the joint of the supporting side plate and the placing plate, and nut pieces are arranged on the left side and the right side of the placing plate;

the fine adjustment screw rod penetrates through the nut piece, one end of the nut piece is fixed on a bottom plate of the milling machine through a bearing, and a fine adjustment motor is arranged above the nut piece;

a PLC controller installed at a rear end of the support side plate;

the processing platform is arranged above the supporting side plate, an adjusting cylinder is arranged below the processing platform close to the front side, a processing milling cutter is installed below the adjusting cylinder, and a distance measuring sensor is arranged on one side of the processing milling cutter in parallel.

Preferably, the distance measuring sensor is electrically connected in series with the PLC through a wire, the PLC is electrically connected in series with the fine tuning motor through a wire, and the lower end face of the distance measuring sensor is parallel to the placing plate.

Preferably, the placing plate and the supporting side plate form a sliding structure through a sliding rail, the placing plate and the nut piece are integrally welded and formed, and the nut piece is in threaded connection with the fine adjustment screw rod.

Preferably, the placing plate is further provided with:

the dust collection groove is symmetrically formed in the placing plate, a dust collection head is mounted inside the dust collection groove, and a pipeline, a dust collection pump and a dust collection groove are sequentially connected to one side, away from the vertical central line of the placing plate, of the dust collection head.

Preferably, the dust absorption head is along the inside equidistance evenly distributed of dust absorption groove, and the dust absorption head is identical with the size of chip groove, the dust absorption head communicates with the chip groove each other through pipeline, dust absorption pump.

Preferably, the placing plate is further provided with:

and the fixing screw rod is arranged in the middle of the front end of the placing plate in a penetrating manner, one side of the fixing screw rod, which is close to the vertical central line of the placing plate, is connected with a fixing plate, and the fixing screw rod is in threaded connection with the placing plate.

Preferably, the placing plate is further provided with:

and the auxiliary supporting telescopic rod is arranged below the placing plate, and the placing plate and the milling machine bottom plate form a lifting structure through the auxiliary supporting telescopic rod.

Compared with the prior art, the utility model provides a fine depth control mechanism of a milling machine, which has the following beneficial effects: this meticulous degree of depth control mechanism of milling machine through the range finding sensor that sets up, can carry out real-time measurement to the distance between work piece and the processing milling cutter to carry out work through PLC controller control fine setting motor, highly finely tune placing the board, thereby improve the precision of milling machine processing, avoid the error.

1. According to the milling machine, the distance between the workpiece and the processing milling cutter can be measured in real time through the arranged distance measuring sensor, so that the PLC controller is used for controlling the fine adjustment motor to work, the height of the placing plate is fine adjusted, the processing precision of the milling machine is improved, and errors are avoided;

2. according to the milling machine, the dust collection head is arranged, so that scraps generated by a workpiece in the machining process of the milling machine can be extracted under the action of the dust collection pump and discharged into a scrap collecting groove through a pipeline, the scraps can be uniformly collected, and the cleaning difficulty is reduced;

3. the workpiece can be clamped through the arranged fixing screw, the workpiece can be placed in the placing plate, a milling cutter can be conveniently machined to machine the workpiece, and the workpiece is prevented from shifting in the machining process; through the adjusting cylinder who sets up, can adjust the height of processing milling cutter fast, then place the board through the fine setting screw rod fine setting again, use mutually supporting, it is more convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

fig. 5 is a schematic diagram of the work flow structure of the present invention.

In the figure: 1. a milling machine base plate; 2. a processing table; 3. a ranging sensor; 4. placing the plate; 5. fixing the screw rod; 6. the telescopic rod is supported in an auxiliary manner; 7. a slide rail; 8. a nut member; 9. supporting the side plates; 10. a PLC controller; 11. fine adjustment of the screw rod; 12. fine tuning a motor; 13. a dust collection groove; 14. a dust collection head; 15. an adjusting cylinder; 16. processing a milling cutter; 17. a chip collecting groove; 18. a dust suction pump; 19. a pipeline; 20. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 5, a fine depth control mechanism of a milling machine includes: a support side plate 9 is vertically arranged on the right side above the milling machine bottom plate 1; the placing plate 4 is installed at the front end of the supporting side plate 9, a sliding rail 7 is installed at the joint of the supporting side plate 9 and the placing plate 4, and nut pieces 8 are arranged on the left side and the right side of the placing plate 4; the fine adjustment screw 11 penetrates through the nut piece 8, one end of the nut piece 8 is fixed on the milling machine bottom plate 1 through a bearing, a fine adjustment motor 12 is installed above the nut piece 8, the placing plate 4 and the supporting side plate 9 form a sliding structure through the sliding rail 7, the placing plate 4 and the nut piece 8 are integrally welded and formed, and the nut piece 8 is in threaded connection with the fine adjustment screw 11; a PLC controller 10 installed at a rear end of the support side plate 9; the machining table 2 is arranged above the supporting side plate 9, an adjusting cylinder 15 is arranged below the machining table 2 close to the front side, a machining milling cutter 16 is arranged below the adjusting cylinder 15, the height of the machining milling cutter 16 can be quickly adjusted through the arranged adjusting cylinder 15, then the placing plate 4 is finely adjusted through a fine adjustment screw rod 11, and the machining milling cutter and the placing plate are matched with each other for use, so that the use is more convenient; one side parallel of processing milling cutter 16 is equipped with range sensor 3, range sensor 3 passes through the wire and is the electrical property series connection with PLC controller 10, and PLC controller 10 passes through the wire and establishes ties for the electrical property with trimmer motor 12, range sensor 3's lower terminal surface with place board 4 and be parallel to each other, range sensor 3 through setting up, can carry out real-time measurement to the distance between work piece and the processing milling cutter 16, thereby carry out work through PLC controller 10 control trimmer motor 12, highly finely tune placing board 4, thereby improve the precision of milling machine processing, avoid the error.

As shown in fig. 2-4, a milling machine fine depth control mechanism includes: the dust collection groove 13 is symmetrically formed in the placing plate 4, the dust collection head 14 is mounted in the dust collection groove 13, a pipeline 19, a dust collection pump 18 and a chip collecting groove 17 are sequentially connected to one side, away from the vertical central line of the placing plate 4, of the dust collection head 14, the dust collection head 14 is evenly distributed along the interior of the dust collection groove 13 at equal intervals, the dust collection head 14 is matched with the chip collecting groove 17 in size, the dust collection head 14 is communicated with the chip collecting groove 17 through the pipeline 19 and the dust collection pump 18, and waste chips generated by workpieces in the machining process of the milling machine can be extracted under the action of the dust collection pump 18 and are discharged into the chip collecting groove 17 through the pipeline 19 through the arranged dust collection head 14, so that the waste chips can be collected uniformly, and the cleaning difficulty is reduced; fixing screw 5, it wears to establish at the front end middle part of placing board 4, fixing screw 5 is close to the one side of placing the vertical central line of board 4 and is connected with fixed plate 20, fixing screw 5 with place 4 threaded connection of board, the auxiliary stay telescopic link 6, it is installed in the below of placing board 4, it constitutes elevation structure through auxiliary stay telescopic link 6 and milling machine bottom plate 1 to place board 4, through the fixing screw 5 who sets up, can carry out the centre gripping to the work piece, the work piece can be placed in placing board 4, the milling cutter 16 of being convenient for process is processed the work piece, avoid the work piece to take place the aversion phenomenon in the course of working.

The working principle is as follows: when the fine depth control mechanism of the milling machine is used, firstly, a workpiece is placed in a groove of a placing plate 4, a fixing screw 5 is screwed, a fixing plate 20 is close to the workpiece, and the workpiece is clamped; secondly, starting an adjusting cylinder 15 below the machining table 2, driving a machining milling cutter 16 to move downwards by the adjusting cylinder 15, pushing the machining milling cutter 16 to approach a workpiece, measuring the distance between the workpiece and the machining milling cutter 16 by a distance measuring sensor 3, and adjusting the adjusting cylinder 15 to be within a rough distance range; then, inputting a set value into the PLC controller 10 as required, transmitting the detected data to the PLC controller 10 by the distance measuring sensor 3, analyzing and judging the received data by the PLC controller 10 to control the fine tuning motor 12 to work, driving the fine tuning screw 11 to rotate by the fine tuning motor 12, moving the nut member 8 up and down on the surface of the fine tuning screw 11 to adjust the position of the placing plate 4, sliding the placing plate 4 up and down in the supporting side plate 9 through the slide rail 7, synchronously extending and retracting the auxiliary supporting telescopic rod 6 in accordance with the height of the placing plate 4 to support the placing plate 4; finally, after the depth is adjusted, the processing milling cutter 16 works under the driving of a driving device to process a workpiece, the dust suction pump 18 is started, the dust suction pump 18 sucks the scraps generated in the processing process into the pipeline 19 through the dust suction head 14 and discharges the scraps into the scrap collecting groove 17, after the workpiece is processed, the fixing screw 5 is screwed to unlock the workpiece and take down the workpiece, and in the processing process of the workpiece, the distance measuring sensor 3 continuously works to improve the precision and avoid generating errors, which is the working principle of the fine depth control mechanism of the milling machine.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A fine depth control mechanism of a milling machine, comprising:

the milling machine bottom plate (1), a supporting side plate (9) is vertically arranged on the right side above the milling machine bottom plate (1);

the placing plate (4) is installed at the front end of the supporting side plate (9), a sliding rail (7) is installed at the connecting position of the supporting side plate (9) and the placing plate (4), and nut pieces (8) are arranged on the left side and the right side of the placing plate (4);

the fine adjustment screw rod (11) is arranged in the nut piece (8) in a penetrating mode, one end of the nut piece (8) is fixed on the milling machine bottom plate (1) through a bearing, and a fine adjustment motor (12) is installed above the nut piece (8);

a PLC controller (10) installed at a rear end of the support side plate (9);

the machining device comprises a machining table (2) arranged above a supporting side plate (9), an adjusting cylinder (15) is arranged below the machining table (2) close to the front side, a machining milling cutter (16) is installed below the adjusting cylinder (15), and a distance measuring sensor (3) is arranged on one side of the machining milling cutter (16) in parallel.

2. The fine depth control mechanism of a milling machine according to claim 1, characterized in that the distance measuring sensor (3) is electrically connected in series with the PLC controller (10) through a lead, the PLC controller (10) is electrically connected in series with the fine tuning motor (12) through a lead, and the lower end surface of the distance measuring sensor (3) is parallel to the placing plate (4).

3. A milling machine fine depth control mechanism according to claim 1, characterized in that the placing plate (4) and the supporting side plate (9) form a sliding structure through a sliding rail (7), the placing plate (4) and the nut member (8) are integrally welded and formed, and the nut member (8) is in threaded connection with the fine adjustment screw (11).

4. A milling machine fine depth control mechanism according to claim 1, characterized in that the placing plate (4) is further provided with:

the dust collection device comprises a dust collection groove (13) symmetrically arranged inside the placing plate (4), a dust collection head (14) is arranged inside the dust collection groove (13), and a pipeline (19), a dust collection pump (18) and a dust collection groove (17) are sequentially connected to one side, away from the vertical central line of the placing plate (4), of the dust collection head (14).

5. The fine depth control mechanism of the milling machine is characterized in that the dust suction heads (14) are uniformly distributed along the inner part of the dust suction groove (13) at equal intervals, the dust suction heads (14) are matched with the size of the chip collecting groove (17), and the dust suction heads (14) are communicated with the chip collecting groove (17) through a pipeline (19) and a dust suction pump (18).

6. A milling machine fine depth control mechanism according to claim 1, characterized in that the placing plate (4) is further provided with:

the fixing screw rod (5) penetrates through the middle of the front end of the placing plate (4), one side, close to the vertical central line of the placing plate (4), of the fixing screw rod (5) is connected with a fixing plate (20), and the fixing screw rod (5) is in threaded connection with the placing plate (4).

7. A milling machine fine depth control mechanism according to claim 1, characterized in that the placing plate (4) is further provided with:

and the auxiliary supporting telescopic rod (6) is arranged below the placing plate (4), and the placing plate (4) and the milling machine bottom plate (1) form a lifting structure through the auxiliary supporting telescopic rod (6).