CN207655969U - A kind of milling machine with rotating platform - Google Patents

Abstract

The utility model discloses a kind of milling machines with rotating platform, it is related to mechanical production devices field, the rotating platform for including pedestal and being set on pedestal, workpiece is positioned on rotating platform, and the material pressing device for compressing workpiece is provided on pedestal, material pressing device includes to be set to the binder rack above rotating platform and the binder turntable for being rotatably assorted with binder rack, the binder head for compressing workpiece is provided on the binder turntable, the binder turntable is connected with the drive component for driving it to rotate, and the binder turntable is rotated synchronously with rotating platform.When needing to rotate workpiece, binder turntable is rotated synchronously with rotating platform, workpiece under the collective effect of binder head and rotating platform synchronous rotary to designated position, it is changed in the operation process of face above-mentioned, binder head need not carry out lift work, to achieve the purpose that save the binder head lift work time, and then achieve the purpose that improve milling machine operating efficiency.

Description

A milling machine with a rotating platform

technical field

The utility model relates to the field of mechanical manufacturing equipment, in particular to a milling machine with a rotating platform.

Background technique

Milling machine mainly refers to a machine tool that processes various surfaces of workpieces through milling cutters. It has a wide range of uses and can be used to process planes, grooves, toothed parts, spiral surfaces and various curved surfaces. In addition, it can also be used for rotary Body surface, inner hole processing and cutting work, etc. When the milling machine is working, the workpiece is clamped on the working platform, the milling cutter rotates as the main movement, supplemented by the feed movement of the worktable or milling cutter, and the workpiece can obtain the required processing surface.

The existing authorized notification number is the Chinese patent CN204711291U, which discloses a CNC double-sided milling machine with a rotary table, including a base set on the ground and left spindle head guide rail seats fixed on both sides of the base and the right spindle head guide rail seat, and the left spindle head guide rail seat and the right spindle head guide rail seat are respectively provided with a left spindle head and a right spindle head. The base is provided with a longitudinal guide rail, and the workbench is slidably arranged on the longitudinal guide rail, and the workbench is provided with a pressing device and a turntable, the pressing device includes a press head and a hydraulic device, and the workpiece is placed on the turntable. The hydraulic device drives the pressing head to move down and fix the workpiece on the turntable. The left spindle head and the right spindle head simultaneously process the two processing surfaces of the workpiece.

When the workpiece needs to be rotated, it is first necessary to drive the binder head upwards through the hydraulic device to separate the binder head from the workpiece. Tight on the workpiece. In the above operation process, the pressing head and the workpiece need to be separated and then pressed together, and the lifting and lowering of the pressing head takes a long time, which reduces the working efficiency of the milling machine, and there are room for improvement in the prior art.

Utility model content

In view of the above technical problems, the purpose of this utility model is to provide a milling machine with a rotating platform, the pressing head rotates synchronously with the rotating platform for placing workpieces, and the pressing head does not need to be raised and lowered during the rotation process, so as to improve the milling machine. purpose of operational efficiency.

In order to achieve the above object, the utility model provides the following technical solutions: a milling machine with a rotating platform, including a base and a rotating platform arranged on the base, the workpiece is placed on the rotating platform, and the A pressing device for pressing the workpiece is provided on the base, and the pressing device includes a pressing frame arranged above the rotating platform and a pressing turntable for rotating and cooperating with the pressing frame. A pressing head for pressing the workpiece is arranged on the turntable, and a drive assembly is connected to the turntable for driving it to rotate, and the turntable rotates synchronously with the rotary platform.

By adopting the above technical scheme, the workpiece is placed on the rotating platform, and the pressing head presses the workpiece so that the milling cutter can cut the workpiece. When the workpiece needs to be rotated, the pressing turntable and the rotating platform rotate synchronously, and the workpiece rotates to the designated position synchronously under the joint action of the pressing head and the rotating platform, thereby completing the surface changing operation of the processing surface. During the above-mentioned surface changing operation, the pressing head does not need to be lifted and lowered, thereby achieving the purpose of saving the lifting and lowering operation time of the pressing head, and further achieving the purpose of improving the working efficiency of the milling machine.

The utility model is further configured as follows: the pressing frame is provided with a mounting hole, the mounting hole is a stepped hole structure, and a turntable bearing is coaxially arranged in the mounting hole, and the pressing turntable is realized by the turntable bearing. Cooperate with the rotation of the pressing frame.

By adopting the above-mentioned technical scheme, the rotation cooperation between the turntable bearing and the mounting hole is realized, so as to realize the rotation cooperation between the pressing turntable and the pressing frame. The turntable bearing is a kind of bearing that can bear comprehensive loads such as axial load, radial load and overturning moment at the same time. It integrates the functions of support, rotation and fixation, and has the advantages of compact structure, high rotation accuracy, and easy installation and maintenance.

The utility model is further configured as follows: the upper end surface of the turntable bearing is used to install the pressing turntable, and the lower end surface of the turntable bearing is fitted with a flange.

By adopting the above technical scheme, the pressing turntable is installed on the upper end surface of the turntable bearing, and the flange is used to close the lower end of the turntable bearing, and the pressing turntable rotates and cooperates with the pressing frame through the turntable bearing to obtain a good rotation effect. The rotation of the material turntable is smoother.

The utility model is further configured as follows: the pressing turntable includes a mounting table for installing the pressing head and a rotating shaft used in cooperation with the bearing of the turntable, the rotating shaft is integrally formed with the mounting table, and the rotating shaft The outer diameter is installed with an interference fit with the inner diameter of the turntable bearing.

By adopting the above-mentioned technical scheme, the outer diameter of the rotating shaft of the press turntable and the inner diameter of the turntable bearing are in interference fit, and the press turntable drives the inner ring of the turntable bearing to rotate during the rotation process, and the rotation of the press turntable and the press frame The fit is transformed into the rotation fit between the inner ring and the outer ring of the turntable bearing, and then the purpose of improving the smoothness of the rotation of the pressing turntable is achieved.

The utility model is further configured as follows: the driving assembly includes a driving motor for driving the rotation of the pressing turntable and a mounting bracket for installing the driving motor, the mounting bracket is erected on the pressing frame, and the driving motor is connected by a bolt It is detachably connected to the bottom end of the mounting bracket, and the driving motor is arranged directly above the pressing turntable.

By adopting the above technical scheme, the drive motor installed directly above the press turntable drives the press turntable to rotate, and the whole has good self-driving performance; and the drive motor is detachably connected to the bottom end of the mounting bracket through bolts, which is convenient for users to follow-up maintenance and maintenance; the drive motor is set directly above the pressing turntable through the mounting bracket, so as to achieve the purpose of saving working space.

The utility model is further configured as follows: a fixing hole is opened at the middle position of the installation platform, and the rotating shaft of the driving motor is connected with the fixing hole through a key.

By adopting the above technical scheme, a fixing hole is provided in the middle of the pressing turntable, and the rotating shaft of the driving motor is connected with the fixing hole through a key, so that the purpose of driving the pressing turntable to rotate by the driving motor is realized.

The utility model is further configured as follows: the mounting bracket includes a mounting plate for installing the driving motor and a column for supporting the mounting plate, and a fixing seat for increasing the installation area is connected between the column and the pressing frame , and the fixing seat is connected with the pressing frame through bolts.

By adopting the above technical scheme, the driving motor is installed on the mounting plate, and the bottom ends on both sides of the mounting plate are provided with columns, and the bottom ends of the columns are connected with the pressing frame through the fixing seat, and the fixing seat can increase the contact area The role of the structure to achieve the purpose of improving the stability of the structure.

The utility model is further set as follows: on the pressing turntable, several pressing heads are evenly arranged along its circumferential direction, and the pressing heads are all connected with hydraulic cylinders for driving them up and down, and the hydraulic cylinders are vertically It is threaded and connected to the pressing turntable, and the pressing head is connected to the piston rod end of the corresponding hydraulic cylinder.

By adopting the above technical solution, the hydraulic cylinder can drive the binder head up and down. The purpose of the hydraulic cylinder lifting is no longer to facilitate the rotation of the workpiece, but to facilitate the user to take out the processed workpiece or place the workpiece to be processed, thereby To achieve the purpose of improving the convenience of use.

The utility model is further configured as: the hydraulic cylinder is detachably connected to the pressing turntable through bolts.

By adopting the above technical solution, the hydraulic cylinder is detachably connected to the pressing turntable, and the connection and fixing method is simple and easy to implement, which is convenient for the user to carry out follow-up maintenance and repair of the hydraulic cylinder later.

The utility model is further configured as: the piston rod of the hydraulic cylinder is threadedly connected with the corresponding pressing head.

By adopting the above technical solution, the pressing head will be worn during the pressing process, and the pressing head is detachably connected with the piston rod of the hydraulic cylinder through threads, so as to facilitate the subsequent maintenance and repair of the user.

In summary, the utility model has the following beneficial effects:

One: The pressing head is always pressed against the workpiece during the rotation of the workpiece, and the pressing head no longer needs to be lifted and lowered, thus achieving the purpose of saving operating time and improving operating efficiency. At that time, when the workpiece needs to be replaced, the pressing head can still be raised and lowered under the action of the hydraulic cylinder, so that the user can pick and place the workpiece;

Second: The workpiece is always kept stable under the clamping action of the rotating platform and the binder head during the rotation process, and a number of binder heads are evenly arranged on the binder turntable along the circumferential direction, which is beneficial to keep the workpiece during the rotation process The stability, and then achieve the purpose of improving the quality of the workpiece cutting operation.

Description of drawings

Fig. 1 is a kind of overall structure schematic diagram of the milling machine with rotating platform;

Fig. 2 is a schematic diagram of the connection structure of the pressing frame and the drive assembly;

Fig. 3 is a schematic diagram of the connection structure of the pressing turntable and the turntable bearing;

Fig. 4 is a schematic structural view of a pressing turntable;

Fig. 5 is a structural schematic diagram mainly for displaying mounting holes.

Reference signs: 1, base; 11, milling cutter; 12, rotating platform; 2, pressing device; 21, pressing frame; 211, horizontal plate; 212, vertical support column; 213, installation hole; 22 , pressing turntable; 221, mounting table; 222, rotating shaft; 223, fixing hole; 3, processing part; 4, pressing head; 5, turntable bearing; 51, flange plate; 6, drive assembly; 61, installation Bracket; 611, mounting plate; 612, column; 613, fixed seat; 62, drive motor; 7, hydraulic cylinder.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1, a milling machine with a rotating platform includes a base 1, a milling cutter 11 for cutting a workpiece 3 is provided on one side of the base 1, and a rotating platform 12 is provided in the middle of the base 1, A pressing device 2 for pressing the workpiece 3 is arranged above the base 1 . The user places the workpiece 3 on the rotating platform 12, the pressing device 2 presses the workpiece 3 on the rotating platform 12, and the milling cutter 11 cuts the side surface of the workpiece 3. After one side is cut, it rotates The platform 12 and the pressing device 2 rotate synchronously, and the milling cutter 11 performs cutting operations on each side successively, thereby completing the milling operation of the workpiece 3 .

As shown in Figure 1, the above-mentioned pressing device 2 includes a pressing frame 21 arranged on the base 1, the pressing frame 21 spans the rotating platform 12, and the middle position of the pressing frame 21 is provided with a pressing frame Turntable 22; when the rotating platform 12 rotates, the pressing turntable 22 can rotate synchronously with the rotating platform 12. The press turntable 22 is provided with a liftable press head 4, which moves downward and presses the workpiece 3. During the rotation of the rotary platform 12, the press head 4 does not need to be separated from the workpiece 3. Instead, the workpiece 3 is pressed all the time and rotates synchronously with the pressing turntable 22, so as to achieve the purpose of improving the working efficiency of the milling machine.

In order to achieve the purpose of improving the smoothness of the rotation of the pressing turntable 22 and the pressing frame 21, as shown in Figure 1 and Figure 2, the above pressing frame 21 includes a horizontal plate 211 for installing the pressing turntable 22 and a vertical The vertical support columns 212 are arranged on both ends of the pressing frame 21 , and the upper and lower ends of the vertical support columns 212 are fixedly connected with the horizontal plate 211 and the base 1 respectively. The middle position of the horizontal plate 211 is provided with a mounting hole 213, and the mounting hole 213 is a circular stepped hole structure. As shown in FIG. The rotation fit of the mounting hole 213.

As shown in Figure 4, the above-mentioned pressing turntable 22 includes a mounting table 221 and a rotating shaft 222 for use in cooperation with the rotating shaft 222, and the rotating shaft 222 is arranged at the bottom of the mounting table 221 and integrally formed with the mounting table 221. to make. As shown in FIG. 3 , the outer diameter of the rotating shaft 222 is installed with an interference fit with the inner diameter of the turntable bearing 5 , and the inner ring of the turntable bearing 5 can be connected to the bottom of the mounting table 221 by screws; in combination with FIG. 2 , the turntable bearing The outer ring of 5 can be connected with horizontal plate 211 by screw. The upper end surface of the turntable bearing 5 is used in conjunction with the binder turntable 22, and the lower end surface of the turntable bearing 5 is fitted with a flange 51 to complete the installation of the turntable bearing 5, thereby realizing the rotation fit between the binder turntable 22 and the mounting hole 213 .

In order to achieve the purpose of driving the binder turntable 22 to rotate, as shown in Figure 2, the above-mentioned binder turntable 22 is connected with a drive assembly 6 for driving its rotation, and the drive assembly 6 includes a drive motor 62 for driving the binder turntable 22 to rotate and The installation bracket 61 for installing the drive motor 62 is mounted on the pressing frame 21 . The mounting bracket 61 includes a mounting plate 611 that is horizontally arranged and is used to install the drive motor 62 and a column 612 that is arranged on both sides of the mounting plate 611 and is used to support the mounting plate 611, and is connected between the column 612 and the pressing frame 21. The fixing seat 613 with an enlarged installation area is connected with the pressing machine frame 21 through bolts. The driving motor 62 is fixed to the bottom of the mounting bracket 61 by bolts. As shown in FIG. 221 are connected.

In order to improve the stability of the fixed workpiece 3 of the pressing device 2, as shown in Figure 1, several hydraulic cylinders 7 are evenly arranged on the above-mentioned pressing turntable 22 along its circumferential direction, and the hydraulic cylinders 7 are vertically installed on the pressing turntable 22 and It is fixed by bolts, and the binder head 4 is threadedly connected to the end of the piston rod of the hydraulic cylinder 7, so that the user can perform later maintenance and repair operations.

Below in conjunction with concrete action, the utility model is further elaborated:

The user first places the workpiece 3 on the rotating platform 12, and drives the pressing head 4 to move downward through the hydraulic cylinder 7 and presses the workpiece 3. The milling cutter 11 cuts one side of the workpiece 3 to complete the process. After the side cutting operation, the rotary platform 12 and the pressing turntable 22 rotate synchronously until the other side of the workpiece 3 rotates to the position to be processed, and the milling cutter 11 performs cutting operations one by one until all the surfaces to be processed of the workpiece 3 are processed. , the hydraulic cylinder 7 drives the binder head 4 to move upward, and the user takes out the workpiece 3 to complete the processing operation of the milling machine.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (10)

1. a kind of milling machine with rotating platform, includes pedestal（1）And it is set to pedestal（1）On rotating platform（12）, Workpiece（3）It is positioned over the rotating platform（12）On, and the pedestal（1）On be provided with for compressing workpiece（3）Pressure Expect device（2）, it is characterised in that：The material pressing device（2）Include to be set to rotating platform（12）The binder rack of top （21）And it is used for and binder rack（21）The binder turntable being rotatably assorted（22）, the binder turntable（22）On be provided with and be used for Compress workpiece（3）Binder head（4）, the binder turntable（22）It is connected with the drive component for driving it to rotate（6）, and The binder turntable（22）With rotating platform（12）It rotates synchronously.

2. a kind of milling machine with rotating platform according to claim 1, it is characterised in that：The binder rack（21）On Offer mounting hole（213）, the mounting hole（213）For shoulder hole structure, and the mounting hole（213）It is inside coaxially arranged with and turns Platform bearing（5）, the binder turntable（22）Pass through turntable bearing（5）It realizes and binder rack（21）Be rotatably assorted.

3. a kind of milling machine with rotating platform according to claim 2, it is characterised in that：The turntable bearing（5）'s Upper surface is for installing binder turntable（22）, the turntable bearing（5）Lower face cooperation ring flange is installed（51）.

4. a kind of milling machine with rotating platform according to claim 3, it is characterised in that：The binder turntable（22）Packet It includes and is useful for installation binder head（4）Erecting bed（221）And it is used for and turntable bearing（5）The rotation axis being used cooperatively（222）, The rotation axis（222）With erecting bed（221）It is integrally formed setting, and the rotation axis（222）Outer diameter and turntable bearing（5）It is interior Diameter interference fit installation.

5. a kind of milling machine with rotating platform according to claim 4, it is characterised in that：The driving component（6）Packet It includes and is useful for driving binder turntable（22）The driving motor of rotation（62）And for installing driving motor（62）Mounting bracket （61）, the mounting bracket（61）It is set up in binder rack（21）On, the driving motor（62）It is detachably connected by bolt In mounting bracket（61）Bottom end, and the driving motor（62）It is set to binder turntable（22）Surface.

6. a kind of milling machine with rotating platform according to claim 5, it is characterised in that：The erecting bed（221）'s Centre position offers mounting hole（223）, and the driving motor（62）Shaft pass through key and mounting hole（223）It is connected.

7. a kind of milling machine with rotating platform according to claim 5, it is characterised in that：The mounting bracket（61）Packet It includes and is useful for installation driving motor（62）Mounting plate（611）And it is used to support mounting plate（611）Column（612）, described Column（612）With binder rack（21）Between be respectively connected with fixed seat for increasing mounting area（613）, and the fixed seat （613）Pass through bolt and binder rack（21）It is connected.

8. a kind of milling machine with rotating platform according to claim 1, it is characterised in that：The binder turntable（22）On It is evenly arranged with several binder heads along its circumferencial direction（4）, and the binder head（4）It is respectively connected with for driving its lifting Hydraulic cylinder（7）, the hydraulic cylinder（7）Vertical wear is connected to binder turntable（22）On, and the binder head（4）It is connected to phase Corresponding hydraulic cylinder（7）Piston rod end.

9. a kind of milling machine with rotating platform according to claim 8, it is characterised in that：The hydraulic cylinder（7）Pass through Bolt and binder turntable（22）It is detachably connected.

10. a kind of milling machine with rotating platform according to claim 9, it is characterised in that：The hydraulic cylinder（7）Work Stopper rod and corresponding binder head（4）It is threadedly coupled.