CN113042765A

CN113042765A - Printing roller excircle rough machining and finish machining all-in-one machine

Info

Publication number: CN113042765A
Application number: CN202110375219.XA
Authority: CN
Inventors: 盖胜强; 王晓飞; 张俊礼
Original assignee: Shanghai Yuncheng Plate Making Co ltd
Current assignee: Shanghai Yuncheng Plate Making Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-06-29

Abstract

The invention relates to a roller excircle rough machining and finish machining integrated machine which comprises a workbench, a headboard, a tailstock, a cutter table, a first driving mechanism and a second driving mechanism, wherein the workbench is provided with a first plane and a second plane which are vertical to the headboard; the tailstock moves on a first plane along a first guide rail under the driving of a first driving mechanism; the tool post comprises a bottom plate, a tool rest and a tool bit, the tool post is connected with a second driving mechanism, the bottom plate moves on a second plane along a second guide rail under the driving of the second driving mechanism, and the tool rest moves on the bottom plate along a third guide rail under the driving of the second driving mechanism; the headboard is provided with an automatic tool setting gauge; the first driving mechanism comprises a servo motor, and the third guide rail is a C1-grade ball screw guide rail. Compared with the prior art, the invention integrates rough machining and finish machining on one device, improves the production efficiency, reduces the labor intensity of operators and ensures the stability of the machining precision of products.

Description

Printing roller excircle rough machining and finish machining all-in-one machine

Technical Field

The invention relates to the technical field of plate roller machining, in particular to a rough and finish machining integrated machine for an outer circle of a plate roller.

Background

In the generation process of the printing roller, the excircle processing is a key process, generally, the printing roller is fixed on a lathe, the printing roller rotates at a high speed, and a grinding cutter is contacted with the outer surface of the printing roller, so that the excircle processing is completed. In the current production of the printing roller, in order to ensure the processing quality, the external circle processing is divided into rough processing and fine processing from the processing technology, and the rough processing and the fine processing are usually carried out on a rough processing machine and a fine processing machine respectively, and secondary feeding and discharging are needed, so that the labor intensity of processing is increased, and the production efficiency is also reduced.

Chinese patent CN201710585232.1 discloses a rough and fine lathe processing system for gravure roller, the roller rotates on the inclined workbench through the axis of rotation, the cutter moves on the horizontal workbench to complete the processing of the roller, the accurate feed to the gravure roller end face can be realized rapidly, the device can be used for workpiece rough processing, and simultaneously has sufficient processing precision, the fine processing of the workpiece can be carried out, and the feed speed is fast, the feed accuracy is good, the operation is easy, the automation degree is high, the ineffective man-hour is reduced, the rough and fine turning process unifies, eliminate half the fine turning process, can shunt or cut out half the fine turning personnel thoroughly, the labor cost is reduced, and the economic benefit is obvious. However, in an actual production process, a tool setting gauge is often used for performing tool setting, a printing roller is firstly subjected to rough machining and then subjected to fine machining, the tool setting gauge generally adopts a swing rod type structure, precision is inevitably reduced due to movement of the tool setting gauge in the process of performing tool setting twice, meanwhile, precision is inevitably reduced due to movement of the tool setting gauge twice, clamping of the printing roller is realized through a hydraulic mechanism, clamping force is difficult to keep constant in the cutting process, and cylindricity and slight degree of the printing roller are affected.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the roller outer circle rough machining and finish machining integrated machine, wherein rough machining and finish machining are integrated on one device, so that the production efficiency is improved, the labor intensity of operators is reduced, and the stability of the machining precision of products is ensured.

The purpose of the invention can be realized by the following technical scheme:

a roller excircle rough machining and finish machining integrated machine comprises a workbench, a headboard, a tailstock, a cutter table, a first driving mechanism, a second driving mechanism and a controller, wherein the workbench is provided with a first plane and a second plane which are both vertical to the headboard;

the head plate and the tail seat are respectively provided with a rotating main shaft, and the end part of the rotating main shaft is provided with a taper tip matched with the groove at the end part of the printing roller;

the tailstock is connected with a first driving mechanism, a first guide rail is arranged on the first plane, and the tailstock moves on the first plane along the first guide rail under the driving of the first driving mechanism;

the tool post comprises a bottom plate, a tool rest and a tool bit, the tool rest is slidably mounted on the bottom plate, the tool bit is mounted on the tool rest, a second guide rail is arranged on a second plane, a third guide rail is mounted on the bottom plate, the tool post is connected with a second driving mechanism, the bottom plate moves on the second plane along the second guide rail under the driving of the second driving mechanism, and the tool rest moves on the bottom plate along the third guide rail under the driving of the second driving mechanism;

an automatic tool setting gauge is fixedly arranged on the headboard, and the installation position of the automatic tool setting gauge is matched with the position of the tool bit;

the first guide rail and the second guide rail are parallel to each other, and the third guide rail is perpendicular to the second guide rail; the first driving mechanism is a servo motor, the first guide rail is a ball screw guide rail, the second guide rail is a ball screw guide rail, and the third guide rail is a C1-grade ball screw guide rail;

the controller is respectively in communication connection with the first driving mechanism, the second driving mechanism and the automatic tool setting gauge.

Further, the first plane and the second plane are parallel to each other and are in the same plane.

Furthermore, the included angles between the first plane and the horizontal plane and the included angles between the second plane and the horizontal plane are acute angles.

Furthermore, the rotating main shaft of the headboard and the rotating main shaft of the tailstock are positioned on the same axis.

Further, the tool post still includes tool bit driving motor, and the tool bit is connected with tool bit driving motor, the tool bit includes the center pin and a plurality of cutting edge of locating different specifications on the center pin, and the center pin is rotatory certain angle in order to change the position of each cutting edge under tool bit driving motor's the drive, tool post driving motor and controller communication connection.

Furthermore, the cutting edges with different specifications are uniformly arranged on the central shaft.

Furthermore, 8 cutting edges with different specifications are arranged on the central shaft.

Further, be equipped with first recess in the first plane, first guide rail is installed in first recess, and the upper end of first recess is equipped with and hides the dirt board with first recess shape matched with, hide the dirt board and include a plurality of interconnect's expansion plate, hide the one end fixed mounting of dirt board to the one end that first recess is close to the head board, hide the other end of dirt board and be connected to the tailstock.

Furthermore, a second groove is formed in the second plane, the second guide rail is installed in the second groove, and the shape of the bottom plate is matched with that of the second groove.

Further, a cutting fluid injection device is further arranged on the tool rest and is in communication connection with the controller.

Furthermore, the device also comprises a display and an input device, wherein the display and the input device are in communication connection with the controller.

Compared with the prior art, the invention has the following beneficial effects:

(1) the rough machining and the finish machining are integrated on one device, so that the production efficiency is improved, the labor intensity of operators is reduced, and the stability of the machining precision of products is ensured.

(2) The servo motor is used for driving the tailstock to clamp the printing roller, and compared with a traditional hydraulic mechanism, the servo motor can ensure that the clamping force of the printing roller is constant and high in stability, so that the cylindricity and the slight degree of the processed printing roller are less than or equal to 0.01 mm.

(3) The third guide rail uses a C1-grade ball screw, compared with a common ball screw, the repeated positioning precision of the C1-grade ball screw is less than or equal to 0.005mm, and the error in the diameter direction during excircle processing is less than or equal to 0.02 mm.

(4) The tool setting appearance that the tradition used is the pendulum rod formula structure, and this application directly carries out the tool setting with automatic tool setting appearance fixed mounting on the head board, because automatic tool setting appearance does not take place to remove, has promoted the precision of twice tool setting in-process calibration tool, guarantees that the finish machining quality precision of excircle is less than or equal to 0.02 mm.

Drawings

FIG. 1 is a schematic structural diagram of an integrated rough machining and finish machining machine for the outer circle of a printing roller in the embodiment;

FIG. 2 is a schematic structural view of a tool post in an embodiment;

FIG. 3 is a schematic structural diagram of the tailstock in the embodiment;

reference numerals: 1. the automatic tool setting device comprises a working head, 2, a headboard, 3, a tailstock, 4, a tool post, 41, a bottom plate, 42, a tool rest, 43, a central shaft, 44, a cutting edge, 5, a first plane, 6, a second plane, 7, a rotating shaft, 8 and an automatic tool setting instrument.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1:

a roller excircle rough machining and finish machining integrated machine is shown in figure 1 and comprises a workbench 1, a headboard 2, a tailstock 3, a cutter table 4, a first driving mechanism, a second driving mechanism and a controller, wherein the workbench 1 is provided with a first plane 5 and a second plane 6, and the first plane 5 and the second plane 6 are both vertical to the headboard 2;

as shown in fig. 3, the headboard 2 and the tailstock 3 are respectively provided with a rotating spindle 7, and the end of the rotating spindle 7 is provided with a taper tip matched with the groove at the end of the printing roller;

the tailstock 3 is connected with a first driving mechanism, a first guide rail is arranged on the first plane 5, and the tailstock 3 moves on the first plane 5 along the first guide rail under the driving of the first driving mechanism;

as shown in fig. 2, the tool post 4 includes a bottom plate 41, a tool post 42 and a tool bit, the tool post 42 is slidably mounted on the bottom plate 41, the tool bit is mounted on the tool post 42, a second guide rail is disposed on the second plane 6, a third guide rail is mounted on the bottom plate 41, the tool post 4 is connected to a second driving mechanism, the bottom plate 41 moves on the second plane 6 along the second guide rail under the driving of the second driving mechanism, and the tool post 42 moves on the bottom plate 41 along the third guide rail under the driving of the second driving mechanism;

the tool post 4 further comprises a tool bit driving motor, the tool bit is connected with the tool bit driving motor, the tool bit comprises a central shaft 43 and a plurality of cutting edges 44 which are arranged on the central shaft 43 and have different specifications, the central shaft 43 is driven by the tool bit driving motor to rotate by a certain angle so as to change the position of each cutting edge 44, and the tool post driving motor is in communication connection with the controller.

The tool rest 41 is also provided with a cutting fluid injection device which is in communication connection with the controller. A plurality of cutting edges 44 of different specifications are uniformly provided on the central shaft 43.

In this embodiment, the tool post 4 is an 8-station tool post, that is, 8 cutting edges 44 with different specifications are arranged on the central shaft 43. The bit driving motor rotates the center shaft 43, and the position of the cutting edge 44 mounted on the center shaft 43 is changed, thereby adjusting the position of each cutting edge 44.

An automatic tool setting gauge 8 is fixedly arranged on the headboard 2, and the installation position of the automatic tool setting gauge 8 is matched with the position of the tool bit;

the first guide rail and the second guide rail are parallel to each other, and the third guide rail is perpendicular to the second guide rail; the first driving mechanism comprises a servo motor, the first guide rail is a ball screw guide rail, the second guide rail is a ball screw guide rail, and the third guide rail is a C1-grade ball screw guide rail;

When the plate roller is machined, clamping, tool setting, cutting, tool setting and cutting of the plate roller are sequentially performed.

The workbench 1 and the headboard 2 are integrally formed or welded, and the tailstock 3 is close to or far away from the headboard 2 along the first guide rail so as to clamp the printing rollers with different lengths.

The clamping process of the plate roller is as follows: the carrying device suspends the printing roller between the headboard 2 and the tailstock 3, one end of the printing roller contacts the rotating main shaft 7 on the headboard 2, the first driving mechanism drives the tailstock 3 to move on the first plane 5 along the first guide rail until the rotating main shaft 7 on the tailstock 3 contacts the other end of the printing roller, and clamping is stopped after the clamping force of the printing roller reaches a certain limit value. The end parts of the two rotating main shafts 7 are provided with taper finials matched with grooves at the end parts of the printing roller, the printing roller is clamped between the headboard 2 and the tailstock 3, and the carrying device loosens the printing roller.

For printing rolls with different thicknesses, a tool needs to be set before cutting, and the distance between a cutting edge and the printing roll needs to be calibrated.

The tool setting process is as follows: the second driving mechanism drives the bottom plate 41 to move on the second plane 6 along the second guide rail, the bottom plate 41 moves to the junction of the second plane 6 and the headboard 2, the second driving mechanism drives the tool rest 42 to move on the bottom plate 41, the position of the tool rest is automatically measured for the tool setting gauge 8, a proper cutting edge 44 is selected according to the machining precision, the second driving mechanism drives the bottom plate 41 to move to change the horizontal distance between the cutting edge 44 and the end part of the plate roller, and the second driving mechanism drives the tool rest 42 to move to change the vertical distance between the cutting edge 44 and the plate roller.

The cutting process is as follows: the plate roller is held between the headboard 2 and the tailstock 3 and starts to rotate at a set speed, the knife table driving motor drives the center shaft 43 to rotate, the selected cutting edge 44 is aligned with the plate roller, the cutting fluid jetting device jets the cutting fluid, the vertical distance between the cutting edge 44 and the plate roller is not changed, the cutting edge 44 starts to cut the plate roller due to the rotation of the plate roller relative to the cutting edge 44, and the second driving mechanism drives the bottom plate 41 to move until the cutting of the whole plate roller is completed.

And after the rough machining is finished, changing the precision value, and repeating the tool setting process and the cutting process to finish the finish machining.

This application uses servo motor drive tailstock 3 centre gripping version roller, compares in traditional hydraulic pressure mechanism, can guarantee that the clamp force of version roller is invariable, and stability is higher for cylindricity and the degree of a bit after version roller processing are less than or equal to 0.01 mm.

And the third guide rail uses a C1-grade ball screw, after rough machining is finished, the outer diameter of the plate roller is changed, the C1-grade ball screw is used for adjusting the position of the tool rest 42 on the bottom plate 41 so as to change the distance between the cutting edge 44 on the tool bit and the plate roller, compared with the common ball screw, the repeated positioning precision of the C1-grade ball screw is less than or equal to 0.005mm, and the error in the diameter direction during outer circle machining is less than or equal to 0.02 mm.

The tool setting appearance that the tradition used is pendulum rod formula structure, and when beginning the tool setting, the tool setting appearance stretches out, carries out the tool setting, retracts after the tool setting is accomplished, and the inevitable error that has brought of motion of tool setting appearance, and this application is with automatic tool setting appearance 8 fixed mounting on head board 2, directly carries out the tool setting, because automatic tool setting appearance 8 does not take place to remove, has promoted the precision of twice tool setting in-process calibration tool, guarantees that the finish machining quality precision of excircle is less than or equal to 0.02 mm.

The automatic tool setting appearance 8 that this application used is the automatic tool setting appearance of horse Persia, and the servo motor that first actuating system includes is the FANUC motor, and the third guide rail is C1 level lead screw guide rail, and the specification is 40X 10.

In this embodiment, the first plane 5 and the second plane 6 are parallel to each other and are in the same plane. Therefore, only the height of the plate roller and the height of the knife platform 4 need to be considered in plate roller processing, and the control difficulty is reduced.

The included angles between the first plane 5 and the horizontal plane 6 and the horizontal plane are acute angles and form a certain included angle, so that sundries in machining engineering can be cleaned conveniently.

Be equipped with first recess in the first plane 5, first guide rail is installed in first recess, and the upper end of first recess is equipped with the dust board that hides with first recess shape matched with, and the dust board that hides includes a plurality of interconnect's expansion plate, and the one end fixed mounting that hides the dust board is close to the one end of headboard 2 to first recess, and the other end that hides the dust board is connected to tailstock 3. The first driving mechanism drives the tailstock 3 to move, the telescopic plate on the dust shielding plate extends or contracts, and the dust shielding plate is covered on the first guide rail below the printing roller all the time, so that the equipment of the rough and fine processing machine can be cleaned conveniently.

A second groove is arranged in the second plane 6, the second guide rail is arranged in the second groove, and the shape of the bottom plate 41 is matched with that of the second groove.

As the cutting progresses, the bottom plate 41 moves on the second guide rail, and the chips can be prevented from falling into the second groove to some extent.

The rough machining and finish machining all-in-one machine further comprises a display and an input device, and the display and the input device are in communication connection with the controller. The display device is used for displaying parameters such as rotating speed, size and precision of the plate roller, and the input device is used for inputting set parameter values.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a version roller excircle rough machining all-in-one, includes workstation (1), headboard (2), tailstock (3), sword platform (4), first actuating mechanism, second actuating mechanism and controller, be equipped with first plane (5) and second plane (6) on workstation (1), first plane (5) and second plane (6) all are perpendicular with headboard (2), its characterized in that:

the head plate (2) and the tail seat (3) are respectively provided with a rotating main shaft (7), and the end part of the rotating main shaft (7) is provided with a taper tip matched with the groove at the end part of the printing roller;

the tailstock (3) is connected with a first driving mechanism, a first guide rail is arranged on the first plane (5), and the tailstock (3) moves on the first plane (5) along the first guide rail under the driving of the first driving mechanism;

the tool post (4) comprises a bottom plate (41), a tool rest (42) and a tool bit, the tool rest (42) is slidably mounted on the bottom plate (41), the tool bit is mounted on the tool rest (42), a second guide rail is arranged on the second plane (6), a third guide rail is mounted on the bottom plate (41), the tool post (4) is connected with a second driving mechanism, the bottom plate (41) moves on the second plane (6) along the second guide rail under the driving of the second driving mechanism, and the tool rest (42) moves on the bottom plate (41) along the third guide rail under the driving of the second driving mechanism;

an automatic tool setting gauge (8) is fixedly arranged on the headboard (2), and the installation position of the automatic tool setting gauge (8) is matched with the position of the tool bit;

2. The integrated machine for rough machining of the outer circle of a printing roller according to claim 1, characterized in that the first plane (5) and the second plane (6) are parallel to each other and are in the same plane.

3. The integrated machine for rough machining and finish machining of the outer circle of a printing roller according to claim 2 is characterized in that the included angles between the first plane (5) and the second plane (6) and the horizontal plane are acute angles.

4. The integrated machine for rough machining and fine machining of the outer circle of the printing roller according to claim 1 is characterized in that the cutter platform (4) further comprises a cutter head driving motor, the cutter head is connected with the cutter head driving motor, the cutter head comprises a central shaft (43) and a plurality of cutting edges (44) of different specifications arranged on the central shaft (43), the central shaft (43) is driven by the cutter head driving motor to rotate for a certain angle to change the position of each cutting edge (44), and the cutter platform driving motor is in communication connection with a controller.

5. The integrated rough and finish machine for the outer circle of the printing roller as recited in claim 4, characterized in that the plurality of cutting edges (44) with different specifications are uniformly arranged on the central shaft (43).

6. A rough and fine machining all-in-one machine for the outer circle of a printing roller as claimed in claim 4, characterized in that the central shaft (43) is provided with 8 cutting edges (44) with different specifications.

7. The integrated rough machining and finish machining machine for the outer circle of the printing roller according to claim 1 is characterized in that a first groove is formed in the first plane (5), the first guide rail is installed in the first groove, a dust shielding plate matched with the first groove in shape is arranged at the upper end of the first groove, the dust shielding plate comprises a plurality of telescopic plates which are connected with one another, one end of the dust shielding plate is fixedly installed at one end, close to the headboard (2), of the first groove, and the other end of the dust shielding plate is connected to the tailstock (3).

8. The integrated machine for rough and fine machining of the outer circle of a printing roller according to claim 1 is characterized in that a second groove is formed in the second plane (6), a second guide rail is installed in the second groove, and the shape of the bottom plate (41) is matched with the shape of the second groove.

9. The integrated machine for rough machining and finish machining of the outer circle of the printing roller according to claim 1, wherein a cutting fluid injection device is further arranged on the tool rest (41), and the cutting fluid injection device is in communication connection with a controller.

10. The integrated rough machining and finish machining machine for the outer circle of the printing roller according to claim 1, further comprising a display and an input device, wherein the display and the input device are both in communication connection with a controller.