阅读说明：本技术 一种动力头安装刀架及其应用的竖向移动机构 (Power head mounting tool rest and vertical moving mechanism applied to same ) 是由 宋春燕 于 2020-12-31 设计创作，主要内容包括：本申请涉及一种动力头安装刀架及其应用的竖向移动机构,包括主轴箱、轴向转动安装在主轴箱上的主轴、以及固定在主轴端部的动力头,所述主轴箱上设置有用于驱使主轴转动的驱动机构,所述主轴箱上设置有用于限定主轴转动动作的限位机构。本申请中只需要驱动主轴转动,主轴带动动力头转动,将动力头的加工角度调整到合适位置后,通过限位机构限定主轴转动动作即可实现动力头在该加工角度上的固定,动力头即可进行斜面或者斜孔加工,无需额外的夹具改变工件的装夹角度,提高了生产效率。(The utility model relates to a unit head installation knife rest and vertical moving mechanism who uses thereof, including headstock, axial rotation install the main shaft on the headstock and fix the unit head at the main shaft tip, be provided with on the headstock and be used for ordering about main shaft pivoted actuating mechanism, be provided with on the headstock and be used for injecing the stop gear of main shaft rotation action. Only need drive main shaft to rotate in this application, the main shaft drives the unit head and rotates, with the processing angular adjustment of unit head to suitable position after, inject main shaft rotation action through stop gear and can realize the unit head fixed on this processing angle, the unit head can carry out inclined plane or inclined hole processing, need not the clamping angle that extra anchor clamps changed the work piece, has improved production efficiency.)

1. The utility model provides a unit head installation knife rest, its characterized in that includes headstock (2), axial rotation installs main shaft (3) on headstock (2) and fixes unit head (4) at main shaft (3) tip, be provided with on headstock (2) and be used for driving about main shaft (3) pivoted actuating mechanism (5), be provided with on headstock (2) and be used for injecing main shaft (3) stop gear (6) of action of rotating.

2. The tool rest for mounting the power head according to claim 1, wherein a speed reducer (12) is arranged on the spindle box (2), an input end of the speed reducer (12) is connected with the driving mechanism (5), an output end of the speed reducer (12) is connected with a connecting shaft (13), and the connecting shaft (13) is connected to the spindle (3) through a coupler (14).

3. A power head mounting head according to claim 1 or 2, characterized in that the drive mechanism (5) is a drive motor.

4. The power head mounting tool rest according to claim 1, wherein the limiting mechanism (6) comprises a fixing plate (61) coaxially fixed on the main shaft (3) and an electromagnetic disc (62) fixed on the main shaft box (2), the electromagnetic disc (62) surrounds the main shaft (3), an elastic gasket (63) and a magnetic disc (64) are sequentially arranged between the fixing plate (61) and the electromagnetic disc (62), the elastic gasket (63) and the magnetic disc (64) are sleeved on the main shaft (3), and the magnetic disc (64) is opposite to the electromagnetic disc (62) and keeps a suction gap;

a plurality of first fixing pieces (65) used for being fixed with the magnetic disc (64) are circumferentially arranged on the elastic gasket (63), and a plurality of second fixing pieces (66) which are used for being fixed with the fixing plate (61) and staggered with the first fixing pieces (65) in position are circumferentially arranged on the elastic gasket (63).

5. The power head mounting blade carrier of claim 4, wherein the first fastener (65) is a rivet and the second fastener (66) is a bolt.

6. A tool head mounting head according to claim 4, wherein the surface of the magnetic disc (64) facing the magnetic disc (62) is provided with at least one notch (67).

7. The power head mounting tool holder according to claim 1, wherein a turntable (11) is fixed to an end of the spindle (3) by a bolt, and the power head (4) is fixed to the turntable (11) by a bolt.

8. A vertical movement mechanism, characterized by comprising a vertical frame (16), wherein a sliding frame (17) is slidably mounted on the vertical frame (16) along the vertical direction, a power head mounting surface (171) facing a machining position and a driving mounting surface (172) facing a position deviated from the machining position are arranged on the sliding frame (17), and the power head mounting tool holder (1) according to any one of claims 1 to 7 is fixed on the power head mounting surface (171) of the sliding frame (17);

the vertical rack (16) is provided with a vertical driving assembly (18), and the vertical driving assembly (18) is connected with a driving mounting surface (172) of the sliding frame (17) and used for driving the sliding frame (17) to vertically slide.

9. The vertical moving mechanism is characterized in that the vertical driving assembly (18) comprises a vertical driving motor (181), a driving screw rod (182) and a driving block (183), the vertical driving motor (181) is fixed on the vertical frame (16), the driving screw rod (182) is arranged on the vertical frame (16) along the vertical direction, two ends of the driving screw rod (182) are rotatably installed on the vertical frame (16), and the vertical driving motor (181) is connected to the end part of the driving screw rod (182);

the driving screw rod (182) is in threaded connection with the driving block (183), and the driving mounting surface (172) of the sliding frame (17) is fixed on the driving block (183).

10. The vertical moving mechanism as claimed in claim 9, wherein the vertical frame (16) is provided with a protective cover (19) covering the driving screw rod (182).

Technical Field

The application relates to the field of machine tool parts, in particular to a power head mounting tool rest and a vertical moving mechanism applied by the power head mounting tool rest.

Background

The numerical control machine tool not only can mill a workpiece, but also can drill and tap the side surface or the end surface of the workpiece. Wherein, the cutter unit head of digit control machine tool generally is level or perpendicular setting, adds man-hour when needs to the work piece, generally fixes the work piece on the anchor clamps of digit control machine tool, then processes the work piece.

When a numerical control machine needs to process an inclined plane or an inclined hole on a workpiece, a special clamp is generally needed to clamp the workpiece, the inclined plane or the inclined hole to be processed on the workpiece is perpendicular to a main shaft of the numerical control machine, and then the workpiece is processed.

However, the numerical control machine tool is used for processing the inclined plane or the inclined hole of the workpiece by adopting the special designed clamp, so that the clamp is complex to design, and the workpiece is inconvenient to clamp. When different workpieces or workpieces with different slopes are processed, multiple corresponding clamps need to be designed, and production efficiency is affected.

Disclosure of Invention

In order to deal with the inclined plane or the inclined hole processing of different angles, the application provides a unit head installation knife rest.

The application provides a power head installation knife rest adopts following technical scheme:

a tool rest for installing a power head comprises a main shaft box, a main shaft axially and rotatably installed on the main shaft box and the power head fixed at the end part of the main shaft, wherein a driving mechanism for driving the main shaft to rotate is arranged on the main shaft box, and a limiting mechanism for limiting the rotation action of the main shaft is arranged on the main shaft box.

Through the technical scheme, the power head is used for installing a cutter, the power head can realize the processing of the cutter to a workpiece, when the cutter needs to process inclined planes or inclined holes at different angles, only a driving main shaft is needed to rotate in the application, the main shaft drives the power head to rotate, after the processing angle of the power head is adjusted to a proper position, the main shaft is limited by the limiting mechanism to rotate to realize the fixation of the power head on the processing angle, the power head can process the inclined planes or the inclined holes, the clamping angle of the workpiece is not required to be changed by an extra clamp, and the production efficiency is improved.

Optionally, a speed reducer is arranged on the spindle box, an input end of the speed reducer is connected with the driving mechanism, a connecting shaft is connected to an output end of the speed reducer, and the connecting shaft is connected to the spindle through a coupling.

Through above-mentioned technical scheme, the setting of speed reducer can make main shaft rotational stability higher.

Optionally, the driving mechanism is a driving motor.

Through the technical scheme, the driving motor is simple in structure and easy to rotate.

Optionally, the limiting mechanism includes a fixing plate coaxially fixed on the main shaft and an electromagnetic disc fixed on the main shaft box, the electromagnetic disc surrounds the main shaft, an elastic gasket and a magnetic disc are sequentially arranged between the fixing plate and the electromagnetic disc, the elastic gasket and the magnetic disc are sleeved on the main shaft, and the magnetic disc is opposite to the electromagnetic disc and keeps a suction gap;

the last circumference of elastic gasket is provided with a plurality of first mountings that are used for with the magnetic disc is fixed, the last circumference of elastic gasket is provided with a plurality of second mountings that are used for with the fixed plate is fixed and stagger with first mounting position.

Through the technical scheme, the electromagnetic disc can generate magnetic attraction after being electrified so as to attract the magnetic disc, and after the elastic gasket is deformed, the magnetic disc moves to one side of the electromagnetic disc and is attracted by the electromagnetic disc so as to fix the main shaft by the electromagnetic disc; when the electromagnetic disc is not powered on, the elastic gasket drives the magnetic disc to reset, and the magnetic disc is separated from the electromagnetic disc, so that the influence of the electromagnetic disc on the rotation of the main shaft is avoided.

Optionally, the first fixing piece is a rivet, and the second fixing piece is a bolt.

Through above-mentioned technical scheme, adopt the first firmware of rivet, the second mounting of bolt has simple structure, fixed effectual characteristics.

Optionally, the surface of the magnetic disc facing the electromagnetic disc is provided with at least one notch.

Through above-mentioned technical scheme, the frictional force between magnetic disc and the electromagnetism dish can be improved in the setting of notch.

Optionally, a turntable is fixed at the end of the main shaft through a bolt, and the power head is fixed on the turntable through a bolt.

Through the technical scheme, the power head is fixed on the rotary plate through the bolt, and the power head is convenient to maintain and replace.

In order to deal with the processing of the inclined plane or the inclined hole of different angles, the application provides a vertical moving mechanism.

The application provides a power head installation knife rest adopts following technical scheme:

a vertical moving mechanism comprises a vertical rack, wherein a sliding frame is slidably mounted on the vertical rack along the vertical direction, a power head mounting surface facing a machining position and a driving mounting surface facing a position deviated from the machining position are arranged on the sliding frame, and the power head mounting tool rest is fixed on the power head mounting surface of the sliding frame;

the vertical rack is provided with a vertical driving assembly, and the vertical driving assembly is connected with a driving mounting surface of the sliding frame to drive the sliding frame to vertically slide.

Through above-mentioned technical scheme, the vertical drive assembly in the vertical frame is towards deviating the processing position, from this, the piece that the processing position produced is difficult for entering into vertical drive assembly, improves the gliding smooth and easy nature of carriage along vertical frame.

Optionally, the vertical driving assembly comprises a vertical driving motor, a driving screw rod and a driving block, the vertical driving motor is fixed on the vertical rack, the driving screw rod is arranged on the vertical rack along the vertical direction, two ends of the driving screw rod are rotatably mounted on the vertical rack, and the vertical driving motor is connected to the end part of the driving screw rod;

the driving screw rod is in threaded connection with the driving block, and the driving mounting surface of the sliding frame is fixed on the driving block.

Through above-mentioned technical scheme, vertical driving motor orders about drive screw and rotates, drive screw threaded connection is on the drive block, the drive block is fixed on the drive installation face of carriage, carriage slidable mounting is in vertical frame, from this, drive screw can drive the carriage and slide from top to bottom, drive simple structure, the precision is high, and vertical drive assembly is towards skew machined position, the piece that machined position produced is difficult for contacting with drive screw, thereby gliding precision about drive screw drive carriage has been ensured.

Optionally, a protective cover covering the driving screw rod is arranged on the vertical rack.

Through above-mentioned technical scheme, the protection casing further avoids external iron fillings etc. to contact the drive lead screw, influences the drive precision of drive lead screw.

Drawings

FIG. 1 is a schematic diagram of a power head mounted tool post;

FIG. 2 is a cross-sectional view of the power head mounting tool post;

FIG. 3 is a schematic view of the mounting of the spacing mechanism;

FIG. 4 is an exploded schematic view of the spacing mechanism;

FIG. 5 is a schematic view of the installation of the vertical movement mechanism;

FIG. 6 is a schematic view of a first state in which the power head is mounted on the vertical movement mechanism;

FIG. 7 is a schematic view of the power head mounting carriage in a second state on the vertically movable mechanism;

FIG. 8 is a first structural schematic view of the vertical drive assembly;

fig. 9 is a second structural schematic of the vertical drive assembly.

Description of reference numerals: 1. the power head is provided with a tool rest; 2. a main spindle box; 3. a main shaft; 4. a power head; 5. a drive mechanism; 6. a limiting mechanism; 61. a fixing plate; 62. an electromagnetic disk; 63. an elastic pad; 64. a magnetic disk; 65. a first fixing member; 66. a second fixing member; 67. a notch; 7. an end cap; 8. a tapered roller bearing; 9. lattice rings; 10. a locking ring; 11. a turntable; 12. a speed reducer; 13. a connecting shaft; 14. a coupling; 15. a vertical moving mechanism; 16. a vertical frame; 17. a carriage; 171. a power head mounting surface; 172. a drive mounting surface; 18. a vertical drive assembly; 181. a vertical drive motor; 182. driving the screw rod; 183. a drive block; 19. a shield.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

Referring to fig. 1, a power head mounting tool rest is used for mounting a power head 4, and when the power head 4 needs to process different inclined planes or inclined holes, the power head mounting tool rest 1 can drive the power head 4 to rotate, so that the power head 4 can adapt to the processing of different inclined planes or inclined holes, and a workpiece does not need to be clamped again.

Referring to fig. 1 and 2, the power head mounting tool rest 1 includes a main spindle box 2, a main spindle 3 and a power head 4, the main spindle box 2 is integrally arranged in a long tube shape, the main spindle 3 is rotatably mounted on the main spindle box 2 along an axial direction of the main spindle box 2, the power head 4 is fixed at an end of the main spindle 3, a tool bit direction of the power head 4 is perpendicular to the axial direction of the main spindle 3, wherein a driving mechanism 5 for driving the main spindle 3 to rotate is arranged on the main spindle box 2, and a limiting mechanism 6 for limiting the rotation of the main spindle 3 is arranged on the.

The connection between the spindle 3 and the headstock 2 is explained below.

Referring to fig. 1 and 2, a mounting cavity for mounting a main shaft 3 is formed in a main shaft box 2, a step is formed in one end, used for mounting a power head 4, of the main shaft 3, an end cover 7, a tapered roller bearing 8, a lattice ring 9, the tapered roller bearing 8 and a locking ring 10 are sequentially sleeved on the main shaft 3, and the locking ring 10 is fixed on the main shaft 3 through screws, so that the tapered roller bearing 8, the lattice ring 9, the tapered roller bearing 8 and the end cover 7 can be tightly abutted to the step of the main shaft 3, the main shaft 3 is rotatably mounted in the mounting cavity through the tapered roller bearing 8, and the end cover 7 seals an opening of the mounting cavity.

Therefore, after the main shaft 3 is mounted on the main shaft box 2, one end of the main shaft 3 is located outside the main shaft box 2, the other end of the main shaft 3 is located inside the main shaft box 2, one end of the main shaft 3, which is located outside the main shaft box 2, is used for mounting the power head 4, specifically, the end part of the main shaft 3 is fixed with the rotary table 11 through a bolt, and the power head 4 is fixed on the rotary table 11 through a bolt.

In this application, the power head 4 is also called a power tool apron, and is a tool apron driven by a servo motor, the power head 4 is used for installing tools, the tools include but are not limited to drill bits, milling heads, tapping heads and the like, therefore, when the tools are installed on the power head 4, the power head 4 can drive the tools to rotate, and therefore, the processing of workpieces is achieved.

The driving mechanism 5 is disposed on the spindle head 2 for driving the spindle 3 to rotate, and the connection relationship between the driving mechanism 5 and the spindle 3 will be explained below.

Referring to fig. 2, a speed reducer 12 is fixedly arranged on the headstock 2, an input end of the speed reducer 12 is connected with the driving mechanism 5, and an output end of the speed reducer 12 is connected with a connecting shaft 13, wherein the connecting shaft 13 is connected with an end portion of the main shaft 3 through a coupling 14.

The driving mechanism 5, the speed reducer 12, the connecting shaft 13 and the coupling 14 are sequentially arranged along the axial direction of the spindle 3, in one embodiment, the driving mechanism 5 adopts a driving motor, and the driving motor can be a servo motor; in another embodiment, the drive mechanism 5 employs a hydraulic motor. Therefore, the driving mechanism 5 can drive the main shaft 3 to rotate forward or backward through the speed reducer 12, so that the power head 4 at the end of the main shaft 3 can be adjusted to a proper machining angle, the mechanism is further limited to limit the rotation of the main shaft 3, and the situation that the power head 4 cannot rotate in the machining process can be guaranteed.

Referring to fig. 3 and 4, the limiting mechanism 6 is disposed in the spindle head 2, the limiting mechanism 6 includes a fixing plate 61, an electromagnetic disc 62, an elastic washer 63 and a magnetic disc 64, the fixing plate 61 is fixed at the end of the spindle 3 by a bolt, the center of the fixing plate 61 is located on the same line with the axis of the spindle 3, the electromagnetic disc 62 is fixed in the spindle head 2, and the electromagnetic disc 62 surrounds the spindle 3.

Wherein, elastic pad 63 and magnetic disc 64 set gradually between fixed plate 61 and electromagnetic disc 62, and elastic pad 63 and magnetic disc 64 cup joint on main shaft 3, and elastic pad 63 is towards fixed plate 61 one side, and magnetic disc 64 is towards electromagnetic disc 62 one side. The elastic pad 63 is made of a metal sheet having elasticity, and the magnetic disk 64 is made of a material having magnetism, including but not limited to a metal material having magnetism or a non-metal material doped with a magnetic metal.

A plurality of first fixing members 65 for fixing with the magnetic disk 64 are circumferentially disposed on the elastic gasket 63, in one embodiment, the first fixing members 65 are rivets, the number of the first fixing members 65 is 3, and the 3 first fixing members 65 are disposed at equal intervals.

A plurality of second fixing pieces 66 for fixing with the fixing plate 61 are circumferentially arranged on the elastic gasket 63, the positions of the second fixing pieces 66 and the positions of the first fixing pieces 65 are staggered, that is, in the circumferential direction of the elastic gasket 63, the first fixing pieces 65 and the second fixing pieces 66 are alternately arranged. In one embodiment, the second fixing members 66 are bolts, and the number of the second fixing members 66 is 3, and 3 second fixing members 66 are arranged at equal intervals. The second fixing member 66 is installed in such a manner that a counter bore through which the second fixing member 66 passes is formed in the magnetic disk 64, and after the bolt of the second fixing member 66 passes through the counter bore of the magnetic disk 64, the bolt of the second fixing member 66 is screwed to the fixing plate 61.

After the elastic gasket 63 and the magnetic disc 64 are installed, the magnetic disc 64 is arranged opposite to the electromagnetic disc 62, and a suction gap is kept between the magnetic disc 64 and the electromagnetic disc 62. Therefore, after the electromagnetic disc 62 is electrified, magnetic attraction can be generated, and the magnetic disc 64 can be attracted, and after the elastic gasket 63 is deformed, the magnetic disc 64 moves towards one side of the electromagnetic disc 62 and is attracted by the electromagnetic disc 62, so that the electromagnetic disc 62 can fix the spindle 3; when the electromagnetic disc 62 is not powered, the elastic washer 63 drives the magnetic disc 64 to reset, and the magnetic disc 64 is separated from the electromagnetic disc 62, so that the electromagnetic disc 62 is prevented from influencing the rotation of the spindle 3.

In order to increase the friction between the magnetic disk 64 and the magnetic disk 62, the surface of the magnetic disk 64 facing the magnetic disk 62 is provided with at least one notch 67.

The working principle of the embodiment is as follows:

when the power head 4 needs to process inclined planes or inclined holes with different angles, only the main shaft 3 needs to be driven to rotate in the application, the main shaft 3 drives the power head 4 to rotate, the processing angle of the power head 4 is adjusted to a proper position, the main shaft 3 is limited to rotate through the limiting mechanism 6, the power head 4 can be fixed in the processing angle, the power head 4 can process the inclined planes or the inclined holes, the clamping angle of a workpiece does not need to be changed through an additional clamp, and the production efficiency is improved.

Referring to fig. 5, the application further provides a vertical moving mechanism, the power head installation tool rest 1 is arranged on the vertical moving mechanism 15, the vertical moving mechanism 15 is arranged on a numerical control machine tool, the numerical control machine tool can control the vertical moving mechanism 15 with the power head installation tool rest 1 to move in the X-axis direction and the Y-axis direction, the vertical moving mechanism 15 can drive the power head installation tool rest 1 to move in the Z-axis direction, and therefore the power head 4 can process any position and any angle of a workpiece.

Referring to fig. 6 and 7, the vertical moving mechanism 15 includes a vertical frame 16, a sliding frame 17 is slidably mounted on the vertical frame 16 along a vertical direction, the sliding frame 17 is disposed on the vertical mechanism in a semi-enclosed manner, a power head mounting surface 171 facing a processing position and a driving mounting surface 172 facing a position deviated from the processing position are disposed on the sliding frame 17, and the power head mounting tool holder 1 according to the above technical solution is fixed on the power head mounting surface 171 of the sliding frame 17.

As shown in fig. 8 and 9, the vertical frame 16 is provided with a vertical driving assembly 18, and the vertical driving assembly 18 is connected to the driving mounting surface 172 of the sliding frame 17 for driving the sliding frame 17 to slide vertically. The vertical driving assembly 18 comprises a vertical driving motor 181, a driving screw rod 182 and a driving block 183, the vertical driving motor 181 is fixed on the vertical rack 16, the driving screw rod 182 is arranged on the vertical rack 16 along the vertical direction, two ends of the driving screw rod 182 are rotatably installed on the vertical rack 16, the vertical driving motor 181 is connected to the end part of the driving screw rod 182, the driving screw rod 182 is in threaded connection with the driving block 183, and the driving mounting surface 172 of the sliding frame 17 is fixed on the driving block 183.

In this embodiment, the vertical frame 16 is provided with a protective cover 19 covering the driving screw 182.

The implementation principle of the embodiment is as follows:

vertical driving motor 181 orders about drive screw 182 and rotates, drive screw 182 threaded connection is on drive block 183, drive block 183 is fixed on the drive installation face 172 of carriage 17, carriage 17 slidable mounting is on vertical frame 16, therefore, drive screw 182 can drive carriage 17 and slide from top to bottom, the drive simple structure, the precision is high, and vertical drive assembly 18 is towards skew machined position, the piece that the machined position produced is difficult for contacting with drive screw 182, thereby the gliding precision from top to bottom of drive screw 182 drive carriage 17 has been ensured.

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.