Four-head engraving and milling machine with crown block structure

Abstract

The utility model relates to the technical field of engraving and milling machines, in particular to a four-head engraving and milling machine with a crown block structure. A machine table, a crown block frame, an XYZ-axis crown block structure, a spindle box connected with the output end of the XYZ-axis crown block structure, a spindle connected with the spindle box, an adjusting seat connected to the top of the machine table, a four-station five-axis rotary table connected with the top of the adjusting seat, and a Y-direction driving mechanism connected to the top of the machine table and contained in the crown block frame are adopted. The X-axis, Y-axis and Z-axis crown block structure is better in stability and can drive a spindle box and a spindle to move in the X direction, the Y-direction driving mechanism and the rotary tool magazine assembly are contained in the crown block frame, and the Y-direction driving mechanism drives the rotary tool magazine assembly to move in the Y direction. The rotary tool magazine assembly can drive the multiple tools to rotate so that the spindle can place and change the tools, the space of the engraving and milling machine is reasonably utilized, manual tool taking and tool changing are avoided, shutdown time is shortened, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of engraving and milling machine, and particularly relates to a four-head engraving and milling machine with a crane structure. BACKGROUND

[0002] The four-head engraving and milling machine is provided with four engraving heads. The machine can simultaneously or individually use the four heads for processing, thereby significantly improving production efficiency. The machine has the characteristics of high efficiency, multifunction and precise processing, and can meet the processing requirements of various complex parts and improve product quality.

[0003] The existing four-head engraving and milling machine has a large tool magazine, which is difficult to install in the engraving and milling machine. The tool is mostly manually taken and replaced, and the machine needs to be stopped for a long time, which consumes a lot of manpower. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a four-head engraving and milling machine with a crane structure.

[0005] The utility model discloses a four-head engraving and milling machine with a crane structure, which comprises a machine table, a crane frame connected to the top of the machine table, an XYZ-axis crane structure connected to the top of the crane frame, a spindle box connected to the output end of the XYZ-axis crane structure, a spindle connected to the spindle box, an adjusting seat connected to the top of the machine table, a four-station five-axis rotary table connected to the top of the adjusting seat, a Y-direction driving mechanism connected to the top of the machine table and accommodated in the crane frame, a rotary tool magazine assembly connected to the output end of the Y-direction driving mechanism, and a lifting protection door connected to one side of the crane frame close to the adjusting seat.

[0006] Preferably, the XYZ-axis crane structure comprises a first Y-direction linear module connected to the top of the crane frame, a crane seat connected to the output end of the first Y-direction linear module, an X-direction linear module connected to the side surface of the crane seat, a vertical support connected to the output end of the X-direction linear module, and four Z-direction linear modules each connected to the side surface of the vertical support and arranged at intervals. The spindle box and the spindle are each provided with four, and the output ends of the four Z-direction linear modules are connected to the four spindle boxes one by one.

[0007] Preferably, the Y-direction driving mechanism comprises a fixed seat connected to the top of the machine table and accommodated in the crane frame, and a second Y-direction linear module connected to the fixed seat. The rotary tool magazine assembly is connected to the output end of the second Y-direction linear module.

[0008] Preferably, the rotary tool magazine assembly comprises a first connecting seat connected to the output end of the Y-direction driving mechanism, four cam splitters connected to the top of the first connecting seat, a second connecting seat connected to the top of the four cam splitters, a corner speed reducer motor connected to the bottom of one end of the second connecting seat, a cushion block connected to the top of the second connecting seat, a round head rectangular support frame fixedly connected to the cushion block, a ring-shaped rotating component connected to the output shaft of the round head rectangular support frame and the cam splitters, a plurality of claw seats spaced apart and connected to the ring-shaped rotating component, and a tool clamping claw fixedly connected to the claw seat, the output end of the corner speed reducer motor is connected to the cam splitter adjacent to the corner speed reducer motor, and the input shafts of the adjacent two cam splitters are fixedly connected through a transmission sleeve.

[0009] Preferably, the ring-shaped rotating component comprises a first sprocket arranged in the round head rectangular support frame and fixedly connected to the output shaft of the cam splitter, a second sprocket arranged in and rotatably connected to the round head rectangular support frame, a chain connected to the first sprocket and the second sprocket, and a plurality of claw seats connected to the chain.

[0010] Preferably, the top of the round head rectangular support frame is provided with a round head rectangular groove, and the rotary tool magazine assembly further comprises a screw bearing fixedly connected to the tool clamping claw and slidingly fitted along the inner side wall of the round head rectangular groove.

[0011] Preferably, the rotary tool magazine assembly further comprises a protective cover fixedly connected to the top of the second connecting seat and covering the round head rectangular support frame and the tool clamping claw, and the protective cover is provided with a tool taking opening at one end close to the lifting protection door.

[0012] Preferably, the lifting protection door comprises a lower partition plate fixedly connected to the crown block frame close to the adjusting seat, a lifting cylinder fixedly connected to the lower partition plate, and an upper partition plate connected to the output end of the lifting cylinder and slidingly fitted close to the adjusting seat of the crown block frame, the upper partition plate and the lower partition plate cooperate to protect the rotary tool magazine assembly.

[0013] The utility model discloses a four -head engraving and milling machine with crane structure has the advantages that the four -head engraving and milling machine with crane structure adopts the machine table, the crane frame connected in the top of machine table, the XYZ axle crane structure connected with the top of crane frame, the main shaft box connected with the output end of XYZ axle crane structure, the main shaft connected with main shaft box, the adjusting seat connected in the top of machine table, the four -station five -axle rotary table connected with the top of adjusting seat, the Y -direction drive mechanism connected in the top of machine table and contained in the crane frame, the rotary tool magazine assembly connected with the output end of Y -direction drive mechanism, and the lifting protection door connected with the crane frame near adjusting seat one side, and the stability of XYZ axle crane structure is better and can drive main shaft box and main shaft XYZ to remove, and Y -direction drive mechanism and rotary tool magazine assembly contain in crane frame and Y -direction drive mechanism drives rotary tool magazine assembly Y -direction removal, and rotary tool magazine assembly can drive a plurality of cutters to rotate to make main shaft put knife and change knife, utilize the space of engraving and milling machine reasonably, avoid manual knife taking and changing, shorten the downtime, and save manpower. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the local partial decomposed schematic diagram of Y -direction drive mechanism and rotary tool magazine assembly of the utility model;

[0016] Figure 3 It is Figure 2 The enlarged schematic diagram of A in it is;

[0017] Figure 4 It is the structural schematic diagram of the lifting protection door of the utility model.

[0018] The drawing figure sign is: 1, machine table;2, crane frame;3, XYZ axle crane structure;31, first Y -direction linear module;32, crane seat;33, X -direction linear module;34, vertical support;35, Z -direction linear module;4, main shaft box;5, main shaft;6, adjusting seat;7, four -station five -axle rotary table;8, Y -direction drive mechanism;81, fixed seat;82, second Y -direction linear module;91, first connecting seat;92, cam divider;93, second connecting seat;94, corner reduction motor;95, cushion block;96, round head rectangular support frame;97, annular rotating part;971, first sprocket;972, second sprocket;973, chain;98, claw base;99, cutter clamping jaw;910, transmission sleeve;911, screw bearing;912, protective cover;10, lifting protection door;101, lower baffle;102, lifting cylinder;103, upper baffle;11, round head rectangular groove;12, knife taking mouth. DETAILED DESCRIPTION

[0019] For the convenience of those skilled in the art to understand, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the implementation mode is not a limitation of the utility model.

[0020] As Figures 1-4 The four-head precise engraving machine with the crane structure comprises a machine table 1, a crane frame 2 connected to the top of the machine table 1, an XYZ-axis crane structure 3 connected to the top of the crane frame 2, a spindle 5 box 4 connected to the output end of the XYZ-axis crane structure 3, a spindle 5 connected to the spindle 5 box 4, an adjusting seat 6 connected to the top of the machine table 1, a four-station five-axis rotary table 7 connected to the top of the adjusting seat 6, a Y-direction driving mechanism 8 connected to the top of the machine table 1 and accommodated in the crane frame 2, a rotary tool magazine assembly connected to the output end of the Y-direction driving mechanism 8, and a lifting protection door 10 connected to one side of the crane frame 2 close to the adjusting seat 6, wherein the XYZ-axis crane structure 3 is used to drive the spindle 5 box 4 to move along the XYZ axis, and the Y-direction driving mechanism 8 is used to drive the rotary tool magazine assembly to move along the Y axis.

[0021] The four-head precise engraving machine with the crane structure comprises a machine table 1, a crane frame 2 connected to the top of the machine table 1, an XYZ-axis crane structure 3 connected to the top of the crane frame 2, a spindle 5 box 4 connected to the output end of the XYZ-axis crane structure 3, a spindle 5 connected to the spindle 5 box 4, an adjusting seat 6 connected to the top of the machine table 1, a four-station five-axis rotary table 7 connected to the top of the adjusting seat 6, a Y-direction driving mechanism 8 connected to the top of the machine table 1 and accommodated in the crane frame 2, a rotary tool magazine assembly connected to the output end of the Y-direction driving mechanism 8, and a lifting protection door 10 connected to one side of the crane frame 2 close to the adjusting seat 6, wherein the XYZ-axis crane structure 3 is used to drive the spindle 5 box 4 to move along the XYZ axis, and the Y-direction driving mechanism 8 is used to drive the rotary tool magazine assembly to move along the Y axis.

[0022] Further, the XYZ-axis crane structure 3 comprises a first Y-direction linear module 31 connected to the top of the crane frame 2, a crane seat 32 connected to the output end of the first Y-direction linear module 31, an X-direction linear module 33 connected to the side surface of the crane seat 32, a vertical support 34 connected to the output end of the X-direction linear module 33, and four Z-direction linear modules 35 each connected to the side surface of the vertical support 34 and arranged at intervals, wherein the spindle 5 box 4 and the spindle 5 are each provided with four, and the output ends of the four Z-direction linear modules 35 are connected to the four spindle 5 boxes 4 one by one.

[0023] Further, the Y-direction driving mechanism 8 comprises a fixed seat 81 connected to the top of the machine table 1 and contained in the overhead crane frame 2, and a second Y-direction linear module 82 connected to the fixed seat 81, and the rotary tool magazine assembly is connected to the output end of the second Y-direction linear module 82.

[0024] Further, the rotary tool magazine assembly comprises a first connecting seat 91 connected to the output end of the Y-direction driving mechanism 8, four cam splitters 92 connected to the top of the first connecting seat 91, a second connecting seat 93 connected to the top of the four cam splitters 92, a corner speed reducer motor 94 connected to the bottom of one end of the second connecting seat 93, a cushion block 95 connected to the top of the second connecting seat 93, a round head rectangular support frame 96 fixedly connected to the cushion block 95, a ring-shaped rotating part 97 connected to the output shafts of the round head rectangular support frame 96 and the cam splitters 92, a plurality of claw seats 98 connected to the ring-shaped rotating part 97 and arranged at intervals, and a tool clamping jaw 99 fixedly connected to the claw seat 98, and the output end of the corner speed reducer motor 94 is connected to the cam splitter 92 adjacent to the corner speed reducer motor 94, and the input shafts of the adjacent two cam splitters 92 are fixedly connected through a transmission sleeve 910. The corner speed reducer motor 94 drives the adjacent cam splitter 92 to rotate, which drives the other three cam splitters 92 to rotate together, so that the output shafts of the cam splitters 92 drive the ring-shaped rotating part 97 to rotate, so that the plurality of claw seats 98 rotate in a ring shape, which is conducive to the tool changing of the main shaft 5 in cooperation with the XYZ-axis overhead crane structure 3 and the Y-direction driving mechanism 8.

[0025] Further, the ring-shaped rotating part 97 comprises a first sprocket wheel 971 contained in the round head rectangular support frame 96 and fixedly connected to the output shaft of the cam splitter 92, a second sprocket wheel 972 contained in and rotatably connected to the round head rectangular support frame 96, a chain 973 connected to the first sprocket wheel 971 and the second sprocket wheel 972, and a plurality of claw seats 98 connected to the chain 973. The output shaft of the cam splitter 92 rotates, driving the first sprocket wheel 971 and the chain 973 to rotate, so that the plurality of claw seats 98 rotate in a ring shape.

[0026] Further, the top of the round head rectangular support frame 96 is provided with a round head rectangular groove 11, and the rotary tool magazine assembly further comprises a screw bearing 911 fixedly connected to the tool clamping jaw 99 and slidingly fitted along the inner side wall of the round head rectangular groove 11.

[0027] Further, the rotary tool magazine assembly further comprises a protective cover 912 fixedly connected to the top of the second connecting seat 93 and covering the round head rectangular support frame 96 and the tool clamping jaw 99, and the protective cover 912 is provided with a tool taking opening 12 at one end close to the lifting protection door 10. This is conducive to reducing the falling of foreign matters such as cutting chips into the rotary tool magazine assembly to affect the normal operation.

[0028] Further, the lifting protection door 10 comprises a lower partition plate 101 fixedly connected to the overhead crane frame 2 near the adjusting seat 6, a lifting cylinder 102 fixedly connected to the lower partition plate 101, and an upper partition plate 103 connected to the output end of the lifting cylinder 102 and slidingly matched with the overhead crane frame 2 near the adjusting seat 6, the upper partition plate 103 and the lower partition plate 101 are matched to protect the rotary tool magazine assembly. When the Y-direction driving mechanism 8 needs to drive the rotary tool magazine assembly to extend out of the overhead crane frame 2 towards the main shaft 5, the lifting cylinder 102 drives the upper partition plate 103 to descend, so as to avoid the rotary tool magazine assembly; when the Y-direction driving mechanism 8 needs to drive the rotary tool magazine assembly to return to the overhead crane frame 2 away from the main shaft 5, the lifting cylinder 102 drives the upper partition plate 103 to ascend, so that the upper partition plate 103 and the lower partition plate 101 form a blocking surface to block the waste liquid and waste residue in the cutting process from falling into the rotary tool magazine assembly.

[0029] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the concept of the utility model is within the protection scope of the utility model.

Claims

1. A four-head engraving and milling machine with a crown block structure, characterized in that: The machine table, the crown block connected to the top of the machine table, the XYZ-axis crown block structure connected to the top of the crown block, the spindle box connected to the output end of the XYZ-axis crown block structure, the main shaft connected to the spindle box, the adjusting seat connected to the top of the machine table, the four-station five-axis rotary table connected to the top of the adjusting seat, the Y-direction driving mechanism connected to the top of the machine table and accommodated in the crown block, the rotary tool magazine assembly connected to the output end of the Y-direction driving mechanism, and the lifting protection door connected to the side of the crown block close to the adjusting seat, the XYZ-axis crown block structure is used to drive the spindle box to move along the XYZ-axis, and the Y-direction driving mechanism is used to drive the rotary tool magazine assembly to move along the Y-axis.

2. The four-head engraving and milling machine with a crown block structure according to claim 1, characterized in that: The XYZ-axis crown block structure comprises a first Y-direction linear module connected to the top of the crown block, a crown block seat connected to the output end of the first Y-direction linear module, an X-direction linear module connected to the side of the crown block seat, a vertical support connected to the output end of the X-direction linear module, and four Z-direction linear modules each connected to the side of the vertical support and arranged at intervals, and the spindle box and the main shaft are each provided with four, and the output ends of the four Z-direction linear modules are connected to the four spindle boxes in a one-to-one correspondence.

3. The four-head engraving and milling machine with a crown block structure according to claim 1, characterized in that: The Y-direction driving mechanism comprises a fixed seat connected to the top of the machine table and accommodated in the crown block, and a second Y-direction linear module connected to the fixed seat, and the rotary tool magazine assembly is connected to the output end of the second Y-direction linear module.

4. The four-head engraving and milling machine with a crown block structure according to claim 1, characterized in that: The rotary tool magazine assembly comprises a first connecting seat connected to the output end of the Y-direction driving mechanism, four cam splitters connected to the top of the first connecting seat, a second connecting seat connected to the top of the four cam splitters, a corner reduction motor connected to the bottom of one end of the second connecting seat, a pad connected to the top of the second connecting seat, a round head rectangular support frame fixedly connected to the pad, a ring-shaped rotating component connected to the output shafts of the round head rectangular support frame and the cam splitters, a plurality of claw seats connected to the ring-shaped rotating component and arranged at intervals, and a tool clamp jaw fixedly connected to the claw seat, the output end of the corner reduction motor is connected to the cam splitter adjacent to the corner reduction motor, and the input shafts of the adjacent two cam splitters are fixedly connected through a transmission sleeve.

5. The four-head precise engraving and cutting machine with a crown block structure according to claim 4, characterized in that: The ring-shaped rotating component comprises a first sprocket accommodated in the round head rectangular support frame and fixedly connected to the output shaft of the cam splitter, a second sprocket accommodated and rotatably connected to the round head rectangular support frame, a chain connected to the first sprocket and the second sprocket, and a plurality of claw seats connected to the chain.

6. The four-head engraving and cutting machine with a crane structure according to claim 4, characterized in that: A round head rectangular groove is formed in the top of the round head rectangular support frame, and the rotary tool magazine assembly further comprises a screw bearing fixedly connected to the tool clamp jaw and slidingly fitted along the inner side wall of the round head rectangular groove.

7. The four-head engraving and cutting machine with a crane structure according to claim 4, characterized in that: The rotary tool magazine assembly further comprises a protective cover fixedly connected to the top of the second connecting seat and covering the round head rectangular support frame and the tool clamp jaw, and a tool taking opening is formed in one end of the protective cover close to the lifting protection door.

8. The four-head engraving and cutting machine with a crown block structure according to claim 1, characterized in that: The lifting protection door comprises a lower partition plate fixedly connected to the side of the headframe close to the adjusting seat, a lifting cylinder fixedly connected to the lower partition plate, and an upper partition plate connected with the output end of the lifting cylinder and slidingly matched with the side of the headframe close to the adjusting seat, and the upper partition plate and the lower partition plate are matched to protect the rotary tool magazine assembly.

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