CN215145026U

CN215145026U - Efficient numerically controlled fraise machine

Info

Publication number: CN215145026U
Application number: CN202023346445.5U
Authority: CN
Inventors: 安清淮
Original assignee: Kunshan Hongyuansheng Mechanical Electronics Co ltd
Current assignee: Kunshan Hongyuansheng Mechanical Electronics Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-14
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a numerically controlled fraise machine technical field, especially relate to an efficient numerically controlled fraise machine, including workstation and portal frame, the portal frame welds in the workstation top, the middle part is equipped with the transmission case in the portal frame, there is U type frame above the transmission case through the bolt fastening, the middle part rotates in the transmission case and is connected with the driving gear, the left and right sides all rotates inside the transmission case and is connected with driven gear, the meshing has the toothed chain belt between driving gear and two driven gears, the transmission case below rotates and is connected with three carousel, three carousel is located respectively under driving gear and two driven gears, driving gear and driven gear bottom all weld the connecting axle, the connecting axle bottom runs through the transmission case and welds with the carousel top middle part of corresponding position, the carousel bottom welds and has the fixed block, the cross recess is opened at the middle part of fixed block bottom, the cross recess below is equipped with its cross block of pegging graft; the beneficial effects of the utility model reside in that: the milling cutter has the advantages of simple structure and operation, high processing efficiency and convenience in replacing the milling cutter.

Description

Efficient numerically controlled fraise machine

Technical Field

The utility model relates to a numerically controlled fraise machine technical field especially relates to an efficient numerically controlled fraise machine.

Background

The numerical control milling machine is a numerical control machine with strong processing function, a rapidly developed processing center, a flexible processing unit and the like are generated on the basis of the numerical control milling machine and a numerical control boring machine, and the milling mode cannot be separated from the numerical control milling machine and the numerical control boring machine, and the technical problems to be solved are more because the numerical control milling process is the most complicated.

The existing numerical control milling machine has the following defects:

1. the structure is complex, the cost is high, the operation steps are complicated, and the processing is inconvenient;

2. a plurality of workpieces are inconvenient to process simultaneously, and the processing efficiency is low;

3. the damaged milling cutter is not convenient to replace, and the processing quality is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an efficient numerically controlled fraise machine, this kind of efficient numerically controlled fraise machine, structure and easy operation, machining efficiency is high, is convenient for change milling cutter to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-efficiency numerically controlled milling machine comprises a workbench and a portal frame, wherein the portal frame is welded above the workbench;

a transmission case is arranged in the middle of the portal frame, a U-shaped frame is fixed above the transmission case through bolts, a driving gear is rotatably connected in the middle of the transmission case, driven gears are rotatably connected to the left side and the right side of the interior of the transmission case, a toothed chain belt is meshed between the driving gear and the two driven gears, three turntables are rotatably connected below the transmission case, the three turntables are respectively positioned under the driving gear and the two driven gears, connecting shafts are welded at the bottom ends of the driving gear and the driven gears, and the bottom ends of the connecting shafts penetrate through the transmission case and are welded with the middle of the top ends of the turntables at corresponding positions;

the carousel bottom welding has the fixed block, open at fixed block bottom middle part has the cross recess, the cross recess below is equipped with the cross piece rather than pegging graft, cross piece bottom welding has milling cutter, the fixed block left and right sides all opens the side groove that communicates with each other with the cross recess, the inside inserted bar that is equipped with of side groove, the inserted bar outside cup joints and is fixed with and moves the piece, move piece and side groove sliding connection, it is fixed with the cover in the outside spring of inserted bar to move between outer terminal surface of piece and the side groove inner wall.

Furthermore, a cylinder is installed in the middle of the upper portion of the inner wall of the portal frame, and the middle of the upper portion of the U-shaped frame is connected with a power output end of the cylinder.

Furthermore, the middle parts of the left side and the right side of the inner wall of the portal frame are respectively provided with a sliding groove, the sliding grooves are internally and slidably connected with sliding blocks extending out of the notches of the sliding grooves, and the sliding blocks on the left side and the right side are respectively fixed at the left end and the right end of the transmission case through bolts.

Furthermore, the middle part of the upper part of the transmission case is provided with a motor positioned inside the portal frame, a rotating shaft connected with a power output end of the motor is arranged below the motor, and the bottom end of the rotating shaft penetrates through the transmission case and is fixed with the middle part of the top end of the driving gear.

Furthermore, slots corresponding to the side slots are formed in the left side and the right side of the cross block, and the inner ends of the inserting rods extend into the slots and are connected with the slots in an inserting mode.

Furthermore, the outer end face of the inserted bar is welded with a pull ring positioned on the outer side of the fixed block, two buffer rings respectively positioned at the upper end and the lower end of the inserted bar are bonded on the inner end face of the pull ring, and the buffer rings are in contact with the outer end face of the fixed block.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

the rotating shaft drives the driving gear to rotate through the motor, and simultaneously drives the two driven gears to simultaneously rotate through the toothed chain belt, so that the driving gear and the two driven gears simultaneously rotate, three milling cutters simultaneously process three workpieces, the operation is simple, and the processing efficiency is favorably improved;

through pulling two corresponding pull rings simultaneously, make the inserted bar shift out or the immigration slot, can realize being connected or dismantling cross piece and fixed block, the dismouting mode is simple, is convenient for change the milling cutter of damage, can guarantee the processingquality of milling cutter to the work piece.

Drawings

FIG. 1 is a schematic view of the overall front view cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the transmission case of the present invention;

fig. 3 is a schematic view of the bottom cross-sectional structure of the fixing block of the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.

The labels in the figure are: 1-a workbench; 2-a portal frame; 3-a transmission case; 4-U-shaped frame; 5-air cylinder; 6, a motor; 7-a rotating shaft; 8-a drive gear; 9-a driven gear; 10-toothed chain belt; 11-a turntable; 12-a connecting shaft; 13-fixing block; 14-a cross recess; 15-a cross block; 16-a milling cutter; 17-side groove; 18-a plunger; 19-moving blocks; 20-a spring; 21-slot; 22-a tab; 23-a chute; 24-sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Please refer to fig. 1 to 4:

a high-efficiency numerically controlled fraise machine comprises a workbench 1 and a portal frame 2, wherein the portal frame 2 is welded above the workbench 1;

a transmission case 3 is arranged in the middle of the portal frame 2, a U-shaped frame 4 is fixed above the transmission case 3 through bolts, a driving gear 8 is rotatably connected in the middle of the transmission case 3, driven gears 9 are rotatably connected on the left side and the right side of the interior of the transmission case 3, a toothed chain belt 10 is meshed between the driving gear 8 and the two driven gears 9, three turntables 11 are rotatably connected below the transmission case 3, the three turntables 11 are respectively positioned under the driving gear 8 and the two driven gears 9, connecting shafts 12 are welded at the bottom ends of the driving gear 8 and the driven gears 9, and the bottom ends of the connecting shafts 12 penetrate through the transmission case 3 and are welded with the middle parts of the top ends of the turntables 11 at corresponding positions; the middle part above the inner wall of the portal frame 2 is provided with an air cylinder 5, and the middle part above the U-shaped frame 4 is connected with the power output end of the air cylinder 5; a motor 6 positioned in the portal frame 2 is arranged in the middle above the transmission case 3, a rotating shaft 7 connected with a power output end of the motor 6 is arranged below the motor 6, and the bottom end of the rotating shaft 7 penetrates through the transmission case 3 and is fixed with the middle of the top end of the driving gear 8;

the bottom end of the rotary table 11 is welded with a fixed block 13, the middle part of the bottom end of the fixed block 13 is provided with a cross groove 14, a cross block 15 which is inserted into the cross groove 14 is arranged below the cross groove 14, the bottom end of the cross block 15 is welded with a milling cutter 16, the left side and the right side of the fixed block 13 are both provided with side grooves 17 which are communicated with the cross groove 14, an inserted link 18 is arranged inside the side groove 17, the outside of the inserted link 18 is sleeved and fixed with a moving block 19, the moving block 19 is slidably connected with the side grooves 17, and a spring 20 which is sleeved outside the inserted link 18 is fixed between the outer end face of the moving block 19 and the inner wall of the side groove 17; the left side and the right side of the cross block 15 are both provided with slots 21 corresponding to the positions of the side slots 17, and the inner ends of the inserted rods 18 extend into the slots 21 and are inserted with the slots; the outer end face of the inserted link 18 is welded with a pull ring 22 positioned outside the fixed block 13, the inner end face of the pull ring 22 is bonded with two buffer rings respectively positioned at the upper end and the lower end of the inserted link 18, and the buffer rings are contacted with the outer end face of the fixed block 13;

during machining, a plurality of workpieces are arranged below each milling cutter 16 one by one, the U-shaped frame 4 drives the transmission case 3 to move downwards by using the air cylinder 5, so that the milling cutters 16 move to the workpiece, then the driving gear 8 is rotated by using the motor 6 through the rotating shaft 7, the driving gear 8 drives the two driven gears 9 to rotate simultaneously through the toothed chain belt 10 when rotating, the three turntables 11 are simultaneously rotated by using the three connecting shafts 12 when the driving gear 8 and the two driven gears 9 simultaneously rotate, the cross block 15 drives the milling cutters 16 to rotate by using the fixing blocks 13 when the turntables 11 rotate, so that the three milling cutters 16 simultaneously rotate to machine the three workpieces, the machining efficiency is improved, the motor 6 stops working after machining is completed, and the air cylinder 5 drives the milling cutters 16 to return to the original positions so as to machine the workpieces again, and the operation is simple;

concrete, spout 23 has all been opened at the middle part of the 2 inner wall left and right sides of portal frame, spout 23 inside sliding connection has the slider 24 that extends its notch, both ends about slider 24 of the left and right sides is fixed in transmission case 3 through the bolt respectively, drive slider 24 and slide in spout 23 when transmission case 3 removes, 3 steady movements of slider 24 auxiliary transmission case, not only can alleviate the operating pressure of cylinder 5, the position takes place the skew when can also avoiding 3 flat movements of transmission case, thereby avoid 16 position of milling cutter to take place the skew and influence processingquality.

When a damaged milling cutter 16 needs to be replaced, two corresponding pull rings 22 are pulled outwards simultaneously, the pull rings 22 drive the insertion rod 18 to move outwards when moving outwards, the insertion rod 18 drives the moving block 19 to move outwards to press the spring 20 to contract when moving outwards, the cross block 15 is not connected with the fixed block 13 after the insertion rod 18 moves out of the slot 21, the cross block 15 can move downwards at the moment, when the cross block 15 moves downwards to enable the slot 21 and the insertion rod 18 to be staggered, the pull rings 22 can be loosened to enable the insertion rod 18 to move into the cross groove 14 by using the spring 20, then the cross block 15 is continuously moved downwards to enable the cross block 15 to move out of the cross groove 14 to disassemble the cross block 15, so that the milling cutter 16 is disassembled, when a new milling cutter 16 is installed, the two corresponding pull rings 22 are pulled outwards simultaneously to enable the insertion rod 18 to move out of the cross groove 14, then the new milling cutter 16 is moved to enable the cross block 15 at the upper end of the new milling cutter 16 to be inserted into the cross groove 14, and after the top end of the cross block 15 is contacted with the bottom of the cross groove 14, the slot 21 corresponds to the insertion rod 18, at the moment, the releasable pull ring 22 enables the insertion rod 18 to be inserted into the insertion groove 21 through the moving block 19 by utilizing the spring 20 so as to realize the connection between the cross block 15 and the fixed block 13, thereby completing the installation of a new milling cutter 16, having simple disassembly and assembly modes, being convenient for replacing the damaged milling cutter 16 and ensuring the processing quality of the milling cutter 16 to a workpiece.

It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides an efficient numerically controlled fraise machine, includes workstation (1) and portal frame (2), portal frame (2) weld in workstation (1) top, its characterized in that:

the automatic transmission device is characterized in that a transmission case (3) is arranged in the middle of the inside of the portal frame (2), a U-shaped frame (4) is fixed above the transmission case (3) through bolts, a driving gear (8) is rotatably connected to the middle of the inside of the transmission case (3), driven gears (9) are rotatably connected to the left side and the right side of the inside of the transmission case (3), a toothed chain belt (10) is meshed between the driving gear (8) and the two driven gears (9), three rotary tables (11) are rotatably connected to the lower portion of the transmission case (3), the three rotary tables (11) are respectively positioned under the driving gear (8) and the two driven gears (9), connecting shafts (12) are welded to the bottom ends of the driving gear (8) and the driven gears (9), and the bottom ends of the connecting shafts (12) penetrate through the transmission case (3) and are welded to the middle of the top ends of the rotary tables (11) at corresponding positions;

carousel (11) bottom welding has fixed block (13), open at fixed block (13) bottom middle part has cross groove (14), cross groove (14) below is equipped with cross piece (15) rather than the grafting, cross piece (15) bottom welding has milling cutter (16), fixed block (13) the left and right sides all opens and has communicating side groove (17) with cross groove (14), inside inserted bar (18) that is equipped with of side groove (17), inserted bar (18) outside cup joints and is fixed with and moves piece (19), move piece (19) and side groove (17) sliding connection, it is fixed with between piece (19) outer terminal surface and side groove (17) inner wall and overlaps in the outside spring (20) of inserted bar (18) to move.

2. A high efficiency numerically controlled fraise machine as claimed in claim 1, wherein: the middle part of the upper part of the inner wall of the portal frame (2) is provided with an air cylinder (5), and the middle part of the upper part of the U-shaped frame (4) is connected with a power output end of the air cylinder (5).

3. A high efficiency numerically controlled fraise machine as claimed in claim 1, wherein: the middle parts of the left side and the right side of the inner wall of the portal frame (2) are respectively provided with a sliding groove (23), the sliding grooves (23) are internally and slidably connected with sliding blocks (24) extending out of notches of the sliding grooves, and the sliding blocks (24) on the left side and the right side are respectively fixed at the left end and the right end of the transmission case (3) through bolts.

4. A high efficiency numerically controlled fraise machine as claimed in claim 1, wherein: the gantry crane is characterized in that a motor (6) located inside the gantry frame (2) is installed in the middle of the upper portion of the transmission case (3), a rotating shaft (7) connected with a power output end of the motor (6) is arranged below the motor (6), and the bottom end of the rotating shaft (7) penetrates through the transmission case (3) and is fixed to the middle of the top end of the driving gear (8).

5. A high efficiency numerically controlled fraise machine as claimed in claim 1, wherein: the left side and the right side of the cross block (15) are both provided with inserting grooves (21) corresponding to the positions of the side grooves (17), and the inner ends of the inserting rods (18) extend into the inserting grooves (21) and are inserted into the inserting grooves.

6. A high efficiency numerically controlled fraise machine as claimed in claim 1, wherein: the outer end face of the inserted bar (18) is welded with a pull ring (22) located on the outer side of the fixed block (13), two buffer rings respectively located at the upper end and the lower end of the inserted bar (18) are bonded to the inner end face of the pull ring (22), and the buffer rings are in contact with the outer end face of the fixed block (13).