CN214603031U

CN214603031U - Portable milling machine

Info

Publication number: CN214603031U
Application number: CN202023041309.5U
Authority: CN
Inventors: 孙一清; 陈书; 林慧超
Original assignee: Zhejiang Handsome Intelligent Remanufacturing Technology Co ltd
Current assignee: Zhejiang Handsome Intelligent Remanufacturing Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-11-05
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a portable milling machine, including workstation, PMKD, brill mill the subassembly, feed subassembly, drive assembly, the installation is bored and is milled the subassembly on the workstation, PMKD installs in the workstation below, feed the unit mount in the workstation top, drive assembly installs and bores and mill the subassembly top. The utility model relates to a rationally, adopt the modularized design, the structure is ingenious, carries and simple to operate provides convenience for the processing of large-scale heat exchanger sealing face gusset.

Description

Portable milling machine

Technical Field

The utility model belongs to the technical field of machining, concretely relates to portable milling machine.

Background

The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter, generally, the milling cutter mainly moves by rotating, the movement of the workpiece and the milling cutter is feeding movement, and the milling machine can process planes, grooves, various curved surfaces, gears and the like; the milling machine is a machine tool for milling a workpiece by using a milling cutter.

However, the existing milling machine is large in size, heavy in weight and inconvenient to carry, and for some large-scale equipment such as a heat exchanger sealing groove, if a workpiece is large, a lot of manpower and material resources are consumed for processing on a machine tool, and the requirement on a processing field is high. Especially, the mode that the sealing groove can not be disassembled for repair is more difficult, and the precision can not be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a remedy foretell not enough, provide a reasonable in design, the structure is ingenious, operation and simple to operate's portable milling machine.

The above technical problem of the present invention can be solved by the following technical solutions:

a portable milling machine comprises a fixed bottom plate, a workbench, a drilling and milling assembly, a transmission assembly and a feeding assembly; a workbench is arranged on the fixed bottom plate; the upper end surface of the workbench is provided with a drilling and milling assembly, and the side surface of the workbench is provided with a feeding assembly; the transmission assembly is arranged above the drilling and milling assembly.

As the preferred technical scheme, the workbench comprises a base, a guide rail, a sliding block and a connecting plate; the guide rail is connected with the base through a bolt, the sliding block is arranged on the guide rail, and the connecting plate is connected with the sliding block through a bolt; the upper surface of the workbench is provided with two rectangular grooves which are hollow cuboid.

The utility model adopts the hollow cuboid workbench to reduce the mass of the workbench under the condition of ensuring the rigidity of the workbench, thereby reducing the weight of the whole device; through the control to the recess machining dimension on workstation surface, can make us have a positioning action when installing the guide rail, need not to carry out the alignment to the track during installation, can directly use the bolt fastening, the on-the-spot installation of being convenient for of such structure, dismantlement, maintenance.

According to the preferable technical scheme, the drilling and milling assembly comprises a milling machine spindle, a spindle feeding box, a copper sleeve, a gear shaft, a hand wheel and a spindle locking handle; the milling machine spindle is arranged in a hollow spindle feeding box; the copper sleeves are arranged at two ends of the gear shaft; the hand wheel is arranged on the gear shaft; the copper sleeve is arranged in the hole A of the spindle feeding box; the main shaft locking handle is arranged in a main shaft feeding box hole B.

The utility model discloses a control main shaft feed box hole and the main shaft of gear shaft feed box hole B's centre-to-centre spacing makes things convenient for gear shaft installation, speed governing and dismantlement. By controlling the matching size of the milling machine spindle and the spindle feeding box, the spindle can reduce vibration in the cutting process, and a better processing surface can be obtained. The modularized design mode is convenient to install, debug and disassemble, and the working efficiency is improved.

As the preferred technical scheme, the transmission assembly comprises a protective cover, a belt, a first belt pulley, a second belt pulley, a motor connecting plate and a servo motor; the servo motor is arranged on the motor connecting plate through a bolt; the first belt pulley is arranged at the shaft end of the servo motor; the second belt pulley is arranged on a main shaft of the milling machine; the belt is arranged on the first belt pulley and the second belt pulley; the safety cover is installed on the servo motor connecting plate.

The utility model discloses big or small diameter through changing belt pulley one and belt pulley two to join in marriage corresponding belt, obtain different velocity ratios, can make under the prerequisite that does not reduce servo motor output torque, can obtain the rotational speed of different milling machine main shafts, thereby increase or reduce milling machine main shaft moment of torsion, make the processing part of different materials all can obtain good cutting process, improve machining efficiency. The modularized design mode is convenient to install, debug and disassemble, and the working efficiency is improved.

As a preferred technical scheme, the feeding assembly comprises a bearing gland, a bearing, a supporting end bearing seat, a screw rod connecting plate, a screw rod nut seat, a screw rod nut, a screw rod, a fixed end bearing seat and a cutter feeder; the screw rod nut is arranged on the screw rod; the feed screw nut seat is arranged on the feed screw nut; the screw rod connecting plate is arranged on the screw rod nut seat; the bearing and the bearing gland are arranged on the bearing seat at the supporting end; the support end bearing block is arranged on the screw rod; the feed device and the bearing are installed on the fixed end bearing block, and the fixed end bearing block is installed on the screw rod.

The utility model discloses in the limited variable speed within range of feed ware, through the lead screw and the corresponding screw-nut of changing different screw pitches, can obtain different feed rates, add man-hour to the part of different materials, thereby can obtain different cutting speeds and obtain good machining efficiency. The modularized design mode is convenient to install, debug and disassemble, and the working efficiency is improved.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model discloses a portable milling machine adopts the modularized design, and the structure is ingenious, carries and simple to operate provides convenience for the processing of large-scale heat exchanger sealing face gusset, and its manufacturing process is simple, and processing is convenient, easy to maintain and change, convenient to popularize and use.

Drawings

For a clearer explanation of the portable milling machine of the present invention, the drawings of the portable milling machine will be briefly described below.

Fig. 1 is a schematic perspective view of the portable milling machine of the present invention;

FIG. 2 is an exploded view of the portable milling machine of the present invention;

FIG. 3 is an exploded view of the table of the portable milling machine of the present invention;

FIG. 4 is an exploded view of the drilling and milling assembly of the portable milling machine of the present invention;

FIG. 5 is an exploded view of the transmission assembly of the portable milling machine of the present invention;

FIG. 6 is an exploded view of the feed assembly of the portable milling machine of the present invention;

wherein:

1. fixing the bottom plate; 2. a work table; 3. drilling and milling components; 4. a transmission assembly; 5. a feeding assembly; 6. a protective cover; 7. a belt; 8. a first belt pulley; 9. a second belt pulley; 10. a milling machine spindle; 11. a spindle feed box; 12. a copper sleeve; 13. a gear shaft; 14. a hand wheel; 15. a main shaft locking handle; 16. a servo motor; 17. A servo motor connecting plate; 18. a bearing gland; 19. a bearing; 20. a support end bearing block; 21. a screw connecting plate; 22. a screw nut seat; 23. a feed screw nut; 24. a screw rod; 25. fixing a bearing seat; 26. A feeder; 27. a base; 28. a guide rail; 29. a slider; 30. a connecting plate; 31. a hole A; 31. a hole B; 33. a rectangular groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention.

A portable milling machine as shown in fig. 1 includes: the automatic drilling and milling device comprises a fixed base plate (1), a workbench (2), a drilling and milling component (3), a transmission component (4) and a feeding component (5), wherein the workbench (2) is installed on the fixed base plate (1), the drilling and milling component (3) and the feeding component (5) are installed on the upper end face of the workbench (2), and the transmission component (4) is installed above the drilling and milling component (3).

As shown in fig. 3, the workbench (2) is a hollow cuboid with two rectangular grooves (33) on the upper surface, and comprises a base (27), a guide rail (28), a slider (29) and a connecting plate (30), wherein the guide rail (28) is connected with the base (27) through a bolt, the slider (29) is installed on the guide rail (28), and the connecting plate (30) is connected with the slider (29) through a bolt.

Specifically, as shown in fig. 4, the drilling and milling assembly (3) comprises a milling machine spindle (10), a spindle feeding box (11), a copper bush (12), a gear shaft (13), a hand wheel (14) and a spindle locking handle (15), wherein the milling machine spindle (10) is installed in the hollow spindle feeding box (11), the copper bush (12) is installed at two ends of the gear shaft (13), the hand wheel (14) is installed on the gear shaft (13), the copper bush (12) is installed in a hole a (31) of the spindle feeding box (11), and the spindle locking handle (15) is installed in a hole B (32) of the spindle feeding box (11).

Specifically, as shown in fig. 5, the transmission assembly (4) comprises a protective cover (6), a belt (7), a first belt pulley (8), a second belt pulley (9), a motor connecting plate (17), a servo motor (16), wherein the servo motor (16) is installed on the motor connecting plate (17) through a bolt, the first belt pulley (8) is installed at the shaft end of the servo motor (16), the second belt pulley (9) is installed on the milling machine spindle (10), the belt (7) is installed on the first belt pulley (8) and the second belt pulley (9), and the protective cover (6) is installed on the servo motor connecting plate (17).

Specifically, as shown in fig. 6, the feeding assembly (5) includes a bearing cover (18), a bearing (19), a supporting end bearing seat (20), a feed screw coupling plate (21), a feed screw nut seat (22), a feed screw nut (23), a feed screw (24), a fixed end bearing seat (25), and a feed carriage (26), wherein the feed screw nut (23) is installed on the feed screw (24), the feed screw nut seat (22) is installed on the feed screw nut (23), the feed screw coupling plate (21) is installed on the feed screw nut seat (22), the bearing (19) and the bearing cover (18) are installed on the supporting end bearing seat (20), the supporting end bearing seat (20) is installed on the feed screw (24), and the feed carriage (26) and the bearing (19) are installed on the fixed end bearing seat (25) and the fixed end bearing seat (25) is installed on the feed screw nut seat (24).

Unless expressly stated or limited otherwise, the terms "disposed (or mounted)", "connected" and "connected" in the present application are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The design idea of the present invention is described above with only one embodiment, and the present invention can be expanded to externally connect more function modules when the system allows, thereby maximally expanding the functions thereof.

The above description is only the embodiment of the base body of the present invention, but the protection scope of the present invention is not limited thereto, and for those skilled in the art, it can still modify the technical solutions described in the foregoing embodiments, or equally replace some technical features thereof, all of which shall be covered by the protection scope of the present invention, therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A portable milling machine is characterized in that: comprises a fixed bottom plate (1), a workbench (2), a drilling and milling assembly (3), a transmission assembly (4) and a feeding assembly (5); a workbench (2) is arranged on the fixed bottom plate (1); the upper end surface of the workbench (2) is provided with a drilling and milling assembly (3), and the side surface is provided with a feeding assembly (5); the transmission assembly (4) is arranged above the drilling and milling assembly (3).

2. The portable milling machine of claim 1, wherein: the workbench (2) comprises a base (27), a guide rail (28), a sliding block (29) and a connecting plate (30); the guide rail (28) is connected with the base (27) through a bolt, the sliding block (29) is installed on the guide rail (28), and the connecting plate (30) is connected with the sliding block (29) through a bolt; the upper surface of the workbench (2) is provided with two rectangular grooves (33) which are hollow cuboid.

3. The portable milling machine of claim 1, wherein: the drilling and milling assembly (3) comprises a milling machine spindle (10), a spindle feeding box (11), a copper sleeve (12), a gear shaft (13), a hand wheel (14) and a spindle locking handle (15); the milling machine spindle (10) is arranged in a hollow spindle feeding box (11); the copper sleeves (12) are arranged at two ends of the gear shaft (13); the hand wheel (14) is arranged on the gear shaft (13); the copper sleeve (12) is arranged in a hole A (31) of the spindle feeding box (11); the main shaft locking handle (15) is arranged in a hole B (32) of the main shaft feeding box (11).

4. The portable milling machine of claim 1, wherein: the transmission assembly (4) comprises a protective cover (6), a belt (7), a first belt pulley (8), a second belt pulley (9), a motor connecting plate (17) and a servo motor (16); the servo motor (16) is arranged on the motor connecting plate (17) through a bolt; the first belt pulley (8) is arranged at the shaft end of the servo motor (16); the second belt pulley (9) is arranged on a milling machine spindle (10); the belt (7) is arranged on the first belt pulley (8) and the second belt pulley (9); the protective cover (6) is arranged on the servo motor connecting plate (17).