CN213701942U

CN213701942U - Automatic milling machine

Info

Publication number: CN213701942U
Application number: CN202022811586.3U
Authority: CN
Inventors: 竺小勇; 张�杰
Original assignee: Shanghai Tianzhu Mechanical Blade Co ltd
Current assignee: Shanghai Tianzhu Mechanical Blade Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-16
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to an automatic change milling machine, which comprises a base, establish the milling machine main part on the base, establish the elevating platform on the base upper surface, establish the crossbeam that slides at milling machine main part top, establish the knife rest parallel with the crossbeam that slides in milling machine main part side and wear to establish the main shaft that is used for installing milling cutter on the knife rest and establish the blade installation device of treating on the elevating platform upper surface, install the drive handle on treating one of them side of blade installation device, install on treating another side of blade installation device and with elevating platform can dismantle the automatic indexing means who is connected and establish the control box on milling machine main part side. This application belongs to the technical field of milling machine, and it has the effect that enables that the blade processing for the breaker is more convenient and improve blade processingquality.

Description

Automatic milling machine

Technical Field

The application relates to the technical field of milling machines, in particular to an automatic milling machine.

Background

At present, in the production process of a cutter, the cutter blade for the crusher is high in processing difficulty due to the special shape similar to that of a gear, especially milling processing is carried out, the cutter blade is usually milled by a horizontal milling machine, a tapered-tooth-shaped milling cutter on the milling machine is used for milling the cutter blade for the crusher, and the position and the angle of the cutter blade for the crusher are required to be changed manually continuously in the processing process so as to meet the requirement of milling processing of the cutter blade for the crusher.

In view of the above-mentioned related art, the inventors consider that there are drawbacks of inconvenience in milling machining of the insert for a crusher and poor machining quality.

SUMMERY OF THE UTILITY MODEL

In order to make the blade processing for the breaker more convenient and improve blade processingquality, this application provides an automatic milling machine.

The application provides an automatic change milling machine adopts following technical scheme:

the utility model provides an automatic change milling machine, the on-line screen storage device comprises a base, establish the milling machine main part on the base, establish the elevating platform on the base upper surface, establish the crossbeam that slides at milling machine main part top, establish the knife rest that is parallel with the crossbeam that slides in milling machine main part side and wear to establish the main shaft that is used for installing milling cutter on the knife rest and establish treating milling cutter piece installation device on the elevating platform upper surface, install the drive handle on treating one of them side of milling cutter piece installation device, install on treating another side of milling cutter piece installation device and can dismantle the automatic indexing means who is connected with elevating platform and establish the control box on milling machine main part side.

By adopting the technical scheme, the milling cutter is firstly installed on the main shaft, the blade to be milled is installed on the blade to be milled installation device, and then the milling machine is controlled to perform milling operation through the control box on the side face of the milling machine main body. Along with the operation that mills, the elevating platform enables the cutter along the direction translation of perpendicular to main shaft, can also drive the cutter rotation under automatic indexing means's effect, makes the blade department of treating each sword tooth on the milling cutter piece obtain abundant milling, improves milling process's quality, need not artifical manual regulation and treats the position and the angle of milling cutter piece, and milling process is more convenient.

Optionally, the lifting workbench comprises a feeding speed change mechanism arranged on the base, a lifting platform arranged on the upper surface of the base and connected with the feeding speed change mechanism, a saddle arranged on the lifting platform, and a working plate connected with the saddle in a sliding manner.

By adopting the technical scheme, the feeding speed change structure is used for the feeding speed of the cutter during milling, the lifting table can be used for adjusting the height of the whole lifting working table according to the size of the cutter, the sliding saddle is used for controlling the horizontal movement of the blade to be milled, and the working plate is used for installing the automatic indexing device and the blade to be milled installing device.

Optionally, a screw rod penetrates through the sliding saddle, a sliding block is arranged on the lower surface of the working plate in a processing mode, and the screw rod penetrates through the sliding block and is connected with the sliding block.

By adopting the technical scheme, the screw rod can make the matched sliding block slide along the axis of the screw rod in a reciprocating manner after rotating, and then the working plate is driven to move in a reciprocating manner along the axis direction of the screw rod.

Optionally, the screw is a ball screw.

By adopting the technical scheme, a plurality of balls are arranged between the screw pair and the screw nut of the ball screw pair to perform rolling motion, so that higher motion efficiency can be obtained. Compared with the common sliding lead screw pair, the driving torque reaches less than one third, namely the same movement result is achieved, and the lead screw can rotate more conveniently and more laborsavingly.

Optionally, a speed reduction motor is arranged on the side face of the sliding saddle along the self sliding direction, a power output shaft of the speed reduction motor is detachably connected with the end part of the screw rod, and the speed reduction motor is electrically connected with the control box.

Through adopting above-mentioned technical scheme, gear motor's setting enables the rotation of lead screw more convenient laborsaving, is used in also more the power saving on ball.

Optionally, the to-be-milled blade mounting device includes a first mounting block slidably connected to the working plate, a to-be-milled blade mounting shaft penetrating through the first mounting block, second mounting blocks arranged on the working plate at intervals with the first mounting block, and a top shaft penetrating through the second mounting block;

the end part of the mounting shaft of the milling cutter blade to be mounted is detachably connected with the driving handle, and the end part of the jacking shaft is detachably connected with a power output shaft of the automatic indexing device.

By adopting the technical scheme, the to-be-milled blade sleeve is arranged on the to-be-milled blade mounting shaft, the to-be-milled blade is fixed on the mounting shaft through the jacking shaft, the jacking shaft can be driven to rotate by the automatic indexing device, and then the to-be-milled blade can rotate at intervals and automatically index.

Optionally, the automatic indexing device comprises an indexer mounted on the upper surface of the working plate and a controller mounted on the working plate and fixedly connected with the side surface of the indexer.

By adopting the technical scheme, the controller can control the graduator to automatically operate so as to achieve the grading effect.

Optionally, the indexer is an intermittent indexer.

By adopting the technical scheme, the intermittent indexer is in pure mechanical transmission and works in a fully-sealed oil tank, so that the intermittent indexer has the advantages of high precision, long service life, small volume, low noise, good high-speed performance, long service life and the like.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the milling operation can be carried out under the control action of the control box, the lifting workbench can enable the cutter to translate along the direction vertical to the main shaft, and can also drive the cutter to rotate under the action of the automatic indexing device, so that the cutting edges of all cutter teeth on the milling cutter piece to be milled are fully milled, the milling quality is improved, the position and the angle of the milling cutter piece to be milled do not need to be manually adjusted, and the milling is more convenient;

2. a plurality of balls are arranged between the screw pair and the screw nut of the ball screw pair to do rolling motion, so that higher motion efficiency can be obtained. Compared with the common sliding lead screw pair, the driving torque reaches less than one third, namely the same movement result is achieved, and the lead screw can rotate more conveniently and more laborsavingly;

3. the setting up of gear motor in this application enables the rotation of lead screw more convenient laborsaving, is used in also more the power saving on ball.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the entire structure of fig. 1 taken along the direction a.

Fig. 3 is a partially enlarged view of a portion B in fig. 1.

Description of reference numerals: 1. a base; 2. a milling machine main body; 3. lifting the working table; 4. a sliding beam; 41. a tool holder; 42. a main shaft; 5. a device for mounting a blade to be milled; 6. a drive handle; 7. an automatic indexing device; 8. a control box; 31. a feed speed change mechanism; 32. a lifting platform; 33. a saddle; 34. a working plate; 331. a lead screw; 341. a sliding block; 332. a reduction motor; 51. a first mounting block; 52. mounting a shaft of a blade to be milled; 53. a second mounting block; 54. a top shaft; 71. an indexer; 72. and a controller.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an automatic milling machine. Referring to fig. 1, an automatic milling machine includes a base 1, a milling machine main body 2, a lifting table 3, a sliding beam 4, a tool post 41, a spindle 42, a to-be-milled blade mounting device 5, a driving handle 6, an automatic indexing device 7, and a control box 8.

Wherein, milling machine main part 2 is installed on the upper surface of base 1 with the bolt, and elevating platform 3 is installed and is located the side of milling machine main part 2 on the upper surface of base 1, and the crossbeam that slides 4 slides and connects the side on milling machine

main part

2 and 3 homonymies of elevating platform on the top of milling machine main part 2 and the one end perpendicular to of crossbeam 4 that slides. One end of the tool rest 41 is fixed on the side surface of the milling machine main body 2 and is parallel to the sliding beam 4, one end of the main shaft 42 extends out of the side surface of the milling machine main body 2, the other end of the main shaft penetrates through the tool rest 41, the to-be-milled blade mounting device 5 is arranged on the upper surface of the lifting workbench 3, the driving handle 6 is arranged on one side surface of the to-be-milled blade mounting device 5, the automatic indexing device 7 is arranged on the other side surface of the to-be-milled blade mounting device 5 and is detachably connected with the upper surface of the lifting workbench 3, and the control box 8 is arranged on the side surface of the milling machine main.

Referring to fig. 1 and 2, the base 1 is a cast iron plate, and in order to transport the whole milling machine more conveniently, a groove for inserting a forklift can be formed in the lower surface of the base. The milling machine body 2 is composed of a machine shell arranged on the upper surface of the base, a driving speed change mechanism arranged at the bottom in the machine shell, a driving mechanism used for driving the main shaft 42 to rotate, a driving mechanism and a transmission structure arranged in the machine shell.

Referring to fig. 1 and 2, the lifting table 3 includes a feeding speed change mechanism 31, a lifting table 32, a saddle 33 and a working plate 34, and the feeding speed change mechanism 31 is fixedly mounted on the upper surface of the base 1 through a mounting plate and bolts, and can play a role in changing the feeding speed in the milling operation. The lifting table 32 is mounted on the base by a vertical guide rail mounted along the side surface of the milling machine body 2, and a driving mechanism for driving the lifting table 32 to slide up and down in a reciprocating manner is arranged on the base, and the lifting table 32 can drive the whole saddle 33 and the working plate 34 to move up and down along the vertical guide rail so as to adjust the distance between the blade to be milled and the milling cutter and the vertical feeding.

Referring to fig. 1 and 3, the saddle 33 is a rectangular plate and is fixedly mounted on the upper surface of the lifting table 32 by bolts, a lead screw 331 is inserted through the saddle 33 along the length direction thereof, and both ends of the lead screw 331 are fixedly mounted on the saddle 33 through bearings for driving the working plate 34 to feed in the horizontal direction along the axial direction of the lead screw 331. In addition, in order to make the use of the screw 331 more convenient and labor-saving, the screw 331 in the embodiment of the present application may be a ball screw.

Further, in order to liberate both hands of workers, a blade to be milled during milling operation is made to perform horizontal linear feeding motion along the axis direction of the lead screw 331, a speed reducing motor 332 is fixedly connected to the side face of the saddle 33 along the self-sliding direction, a power output shaft of the speed reducing motor 332 is fixedly connected with the lead screw 331 through a coupler, and the speed reducing motor 332 is electrically connected with the control box 8 through a lead wire.

Referring to fig. 3, the working plate 34 is a rectangular working plate, and T-shaped grooves are spaced on the upper surface of the working plate 34 for mounting the to-be-milled blade mounting device 5 and the automatic indexing device 7. The lower surface of the working plate 34 is perpendicularly welded with a sliding block 341, a hole for penetrating the screw nut 331 is formed in the sliding block 341, and the screw nut on the screw nut 331 is in interference fit with the sliding block 341.

Referring to fig. 1 and 2, the sliding beam 4 is slidably connected to the top of the milling machine main body 2, and is reciprocally pushed by a linear motor installed in the housing of the milling machine main body 2 to control the sliding beam 4 to reciprocally move, so that the milling cutter can be driven to adjust the distance between the milling cutter and the blade to be milled.

The tool rest 41 is vertically welded on the side, far away from the milling machine body 2, of the sliding cross beam 4, and the tool rest 41 is provided with a round hole for penetrating the spindle 42. One end of the spindle 42 extends from the side surface of the top of the milling machine main body 2 and then is inserted into a circular hole in the tool holder 41.

Referring to fig. 1 and 2, the to-be-milled blade mounting device 5 includes a first mounting block 51, a to-be-milled blade mounting shaft 52, a second mounting block 53, and a top shaft 54. The first mounting block 51 is fixedly mounted on the upper surface of the working plate 34 by bolts, one end of the to-be-milled blade mounting shaft 52 penetrates through the first mounting block 51, and the end of the to-be-milled blade mounting shaft 52 is meshed with the driving handle 6 through a gear or connected together through a coupler.

The second mounting block 53 is spaced apart from the first mounting block 51 and is fixedly mounted to the upper surface of the operating plate 34 by bolts and angle plates. The top shaft 54 is composed of a rotating shaft penetrating through the second mounting block 53 and a tip located at one end of the rotating shaft far away from the second mounting block 53, and the end part of the top shaft 54 is detachably connected with a power output shaft of the automatic indexing device 7. When in use, the top end part of the top shaft 54 can be inserted into a tool to be milled, so that the top shaft 54 and the mounting shaft 52 of the blade to be milled exert axial force on the blade to be milled, and the blade to be milled is fixed.

Referring to fig. 2, the automatic indexing device 7 includes an indexer 71 and a controller 72, the indexer 71 includes an intermittent indexer, the indexer 71 includes a housing installed on the upper surface of the working plate 34, an input shaft inserted into the housing, a worm and cam transmission structure installed in the housing, an output shaft inserted into the housing, an index plate fixedly connected to the output shaft, and a needle bearing circumferentially installed on the worm and cam, and generally, the input shaft is connected to the power output shaft of the servo motor. The controller 72 can be an ohm dragon PLC programmable controller, and the controller 72 can send out control signals, so that the indexer 71 can work and operate more accurately to complete milling operation with higher quality.

The working principle of the automatic indexing device 7 is that the rotation of the worm cam drives the indexing disc, so that each time the worm rotates for one circle, the indexing disc rotates for one grid, and the milling cutter moves for a fixed distance. Equidistant needle bed slot pitches are formed. During design, the worm cam adopts a drawing method of one section of inclined thread, one section of straight thread and one section of inclined thread. The milling cutter stops or mills, and the rotary table is always positioned in the range of the straight thread. Every time the rotary disc moves, the rotary disc stops at the straight thread again after rotating one circle from the straight thread. The design can avoid collision and impact of the rotary disc, and a buffer area is formed, so that parts are not damaged. Meanwhile, the positioning precision is ensured, and the needle bed can always keep the groove distance.

Referring to fig. 1, the control box 8 can be controlled by a microcomputer, the control box 8 comprises a box body, the microcomputer installed in the box body and a control panel arranged on the outer surface of the box body, and the microcomputer is electrically connected with power equipment or devices in the milling machine main body 2, the lifting workbench 3 and the automatic indexing device 7 respectively. The milling machine can automatically perform milling operation by operating the control panel and setting fixed parameters.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic change milling machine which characterized in that: the automatic dividing device comprises a base (1), a milling machine main body (2) arranged on the base (1), a lifting workbench (3) arranged on the upper surface of the base (1), a sliding cross beam (4) arranged at the top of the milling machine main body (2), a cutter rest (41) arranged on the side surface of the milling machine main body (2) and parallel to the sliding cross beam (4), a main shaft (42) arranged on the cutter rest (41) in a penetrating manner and used for installing a milling cutter, a to-be-milled blade installing device (5) arranged on the upper surface of the lifting workbench (3), a driving handle (6) arranged on one side surface of the to-be-milled blade installing device (5), an automatic dividing device (7) arranged on the other side surface of the to-be-milled blade installing device (5) and detachably connected with the lifting workbench (3), and a control box (8.

2. An automated milling machine according to claim 1, wherein: the lifting workbench (3) comprises a feeding speed change mechanism (31) arranged on the base (1), a lifting platform (32) arranged on the upper surface of the base (1) and connected with the feeding speed change mechanism (31), a saddle (33) arranged on the lifting platform (32) and a working plate (34) connected with the saddle (33) in a sliding manner.

3. An automated milling machine according to claim 2, wherein: a lead screw (331) penetrates through the saddle (33), a sliding block (341) is arranged on the lower surface of the working plate (34) in a treatment mode, and the lead screw (331) penetrates through the sliding block (341) and is connected with the sliding block (341).

4. An automated milling machine according to claim 3, wherein: the lead screw (331) is a ball screw.

5. An automated milling machine according to claim 2, wherein: be equipped with gear motor (332) on saddle (33) along the side of self glide direction, the power output shaft of gear motor (332) can be dismantled with the tip of lead screw (331) and be connected, gear motor (332) and control box (8) electric connection.

6. An automated milling machine according to claim 2, wherein: the device for mounting the blade to be milled (5) comprises a first mounting block (51) connected with the working plate (34) in a sliding manner, a blade to be milled mounting shaft (52) arranged on the first mounting block (51) in a penetrating manner, second mounting blocks (53) arranged on the working plate (34) and the first mounting block (51) in an alternate manner, and a top shaft (54) arranged on the second mounting blocks (53) in a penetrating manner;

the end part of the to-be-milled blade mounting shaft (52) is detachably connected with the driving handle (6), and the end part of the jacking shaft (54) is detachably connected with a power output shaft of the automatic indexing device (7).

7. An automated milling machine according to claim 6, wherein: the automatic indexing device (7) comprises an indexer (71) arranged on the upper surface of the working plate (34) and a controller (72) which is arranged on the working plate (34) and is fixedly connected with the side surface of the indexer (71).

8. An automated milling machine according to claim 7, wherein: the indexer (71) is an intermittent indexer.