Movable column type multi-axis linkage vertical machining center machine tool

Abstract

The invention discloses a movable column type multi-axis linkage vertical machining center machine tool, and relates to the technical field of vertical machining center machines, the movable column type multi-axis linkage vertical machining center machine tool comprises a numerical control system, a base and a stand column, the numerical control system and the stand column are arranged above the base, a spindle box is arranged on the side face of the stand column, and the movable column type multi-axis linkage vertical machining center machine tool further comprises a tool magazine assembly and a multi-axis linkage assembly; the tool magazine assembly and the multi-axis linkage assembly are electrically connected with the numerical control system, the tool magazine assembly is arranged above the base, and the multi-axis linkage assembly is arranged among the base, the stand column and the spindle box. According to the machine tool, the multi-axis linkage assembly is arranged, the requirement for inner spiral machining of shaft sleeve type parts is met while three-dimensional multi-angle machining is achieved, through cooperation of the tool magazine assembly, the multi-axis linkage assembly and the numerical control system, tool bits are intelligently replaced, the machining precision is precisely controlled, the production efficiency of products is improved, and the production cost is reduced. And the precision of manufactured products is also improved.

Description

Technical Field

[0001] The invention relates to the technical field of vertical machining center machines, and in particular to a moving column type multi-axis linkage vertical machining center machine tool. Background Art

[0002] A vertical machining center is an advanced CNC machine equipped with an automatic tool change system and a tool magazine. Its spindle is arranged vertically with the worktable, and it is particularly good at processing plate-shaped, disc-shaped, molds, and small complex shell-like parts. This type of machining center can perform a variety of operations such as milling, boring, drilling, thread tapping, and thread cutting. A vertical machining center supports at least three axes and two linkages, and can usually achieve three-axis full linkage. Some models can even control five or six axes. Compared with horizontal machining centers, its structure is simpler, takes up less space, and is more economical in cost, so it has been widely used in industrial production.

[0003] In the processing of various large-scale sleeve parts in aerospace, shipbuilding, hydropower, wind power, military industry, mining, etc., in addition to the processing requirements for the outer circle and inner hole of the sleeve parts, there are also milling requirements for the inner wall of the hole and the end face of the parts. The inner hole requires the processing of spiral curves, and the technical control requirements for the curves and end faces are strict. Conventional vertical machining centers have low processing efficiency and low product precision. Summary of the invention

[0004] The purpose of the present invention is to solve the problems raised in the above background technology, and then propose an advanced CNC machine tool equipped with an automatic tool changing system and a tool magazine. The machine tool disclosed by the present invention realizes the spiral processing requirements of sleeve parts while realizing three-dimensional multi-angle processing by setting a multi-axis linkage component. Through the cooperation of the tool magazine component, the multi-axis linkage component and the CNC system, the tool head can be replaced intelligently and the processing accuracy can be accurately controlled, which not only improves the production efficiency of the product, but also improves the accuracy of the manufactured product.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] A moving column type multi-axis linkage vertical machining center machine tool, comprising a numerical control system, a base and a column, wherein the numerical control system and the column are arranged above the base, and a spindle box is arranged on the side of the column. It is characterized in that it also comprises a tool magazine assembly and a multi-axis linkage assembly, wherein the tool magazine assembly and the multi-axis linkage assembly are electrically connected to the numerical control system, the tool magazine assembly is arranged above the base, and the multi-axis linkage assembly is respectively arranged between the base, the column and the spindle box. The multi-axis linkage assembly is connected in series with the base, the column and the spindle box, and the tool head can be quickly replaced according to the product production process. The movement of the multi-axis linkage assembly can also be controlled to realize various operations such as milling, boring, drilling, thread tapping and thread cutting.

[0007] Preferably, the tool magazine assembly includes a first tool magazine and a second tool magazine, the first tool magazine is arranged on the left side above the base, and automatic tool change is realized in combination with the movement of the spindle box, and the second tool magazine is arranged on the right side above the base, and automatic head change is realized in combination with the movement of the spindle box.

[0008] Preferably, the first tool magazine includes a tool storage magazine, a fixed bracket group and a tool magazine base connected in sequence, the first tool magazine is fixed on the base through the tool magazine base, a tool changing arm is arranged below the tool storage magazine, a tool changing arm rotating shaft is arranged between the tool storage magazine and the tool changing arm, a tool taking port is arranged below the tool storage magazine, the tool taking port and the tool changing arm rotating shaft are in the same straight line, the internal rotating shaft of the tool storage magazine rotates so that the tool to be replaced is located at the tool taking port, the rotating shaft of the tool changing arm rotates, one end retracts the tool on the equipment and stores it in the tool storage magazine, and the other end moves the tool to be replaced out of the tool storage magazine and installs it on the equipment, and the two steps are performed simultaneously.

[0009] Preferably, the second tool magazine includes a cover tool magazine, a milling cutter magazine and a connecting support connected in sequence, the second tool magazine is fixed to the base through the connecting support, and a second connecting frame and a first connecting frame are arranged in sequence above the connecting support, the cover tool magazine is arranged inside the first connecting frame, and the first connecting frame is arranged inside the second connecting frame. A circuit component is arranged on the back of the second connecting frame, and the connecting support is also provided with a telescopic component, which is connected to the milling cutter magazine. According to the product production process requirements, the head is automatically changed and closed under the movement of the spindle box and the cooperation of the telescopic component.

[0010] Preferably, the multi-axis linkage component includes a Z-axis transmission component, an X-axis transmission component, a cross slide, a Y-axis transmission component and an A-axis rotary table. The X-axis transmission component is arranged above the base, a cross slide is arranged above the X-axis transmission component, and a Y-axis transmission component is arranged above the cross slide. The cross slide moves left and right along the guide rail on the base to realize the X-axis feeding movement. The upper and lower planes X and Y spatial verticality of the cross slide are integrally processed and formed. The Y-axis transmission component is connected to the column above, and the column is an integral structure. It moves back and forth along the guide rail on the cross slide to realize the Y-axis feeding movement. The Z-axis transmission component is arranged on the front side of the column, and the other side of the Z-axis transmission component is connected to the spindle box. The spindle box moves up and down along the guide rail on the column to realize the Z-axis feeding movement. The A-axis rotary table is arranged on the top surface of the base, and the A-axis rotary table is located between the first tool magazine and the second tool magazine. The A-axis rotary table is fixed on the base and can automatically rotate around the Z-axis axis to realize the A-axis rotary movement.

[0011] Preferably, the A-axis rotary table includes a supporting turntable, a turntable support and a turntable fixing seat connected in sequence, the A-axis rotary table is fixed above the base through the turntable fixing seat, the supporting turntable and the turntable support are rotatably connected, and a turntable drive is arranged on the side of the turntable support.

[0012] Preferably, the machine tool disclosed in the present invention also includes a fully enclosed outer protective shell, which wraps other components, is easy to install, and has good waterproof and chip-proof effects. The CNC system is arranged on the front of the fully enclosed outer protective shell. Through the CNC system, four-axis linkage of X, Y, Z, and A can be realized to complete the processing of spatial curves.

[0013] Preferably, the machine tool disclosed in the present invention also includes a chip flushing assembly and an automatic chip conveyor, which are arranged on the right side of the fully enclosed outer protective shell. The chip flushing assembly and the automatic chip conveyor are located on the same straight line as the A-axis rotary table, realizing the functions of automatic chip removal and large-flow discharge, avoiding chip accumulation affecting product processing, and being equipped with a chip conveyor to facilitate chip transportation.

[0014] Preferably, a balancing component is disposed above the left side of the column, and the balancing component can improve the processing speed, accuracy and product surface quality of the machine tool, extend the tool life and maintain the processing accuracy of the machine tool spindle box.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The machine tool disclosed in the present invention realizes three-dimensional multi-angle processing by setting a multi-axis linkage component, and meets the demand for spiral processing inside sleeve parts. Through the cooperation of the tool magazine component, the multi-axis linkage component and the numerical control system, the tool head can be replaced intelligently and the processing accuracy can be accurately controlled, which not only improves the production efficiency of the product, but also improves the accuracy of the manufactured product.

[0017] 2. The machine tool disclosed by the present invention can realize automatic tool change and automatic head change in combination with the movement of the spindle box by setting the first tool magazine and the second tool magazine, thereby improving the production efficiency of the machine tool.

[0018] 3. The machine tool disclosed in the present invention is equipped with a Z-axis transmission component, an X-axis transmission component, a cross slide, a Y-axis transmission component and an A-axis rotary table. Through the cooperation of a numerical control system, it can realize the linkage of the four axes of X, Y, Z and A, and complete the processing of spatial curves, which not only improves the processing accuracy, but also enriches the processing functions, improves the production efficiency and reduces the production cost.

[0019] 4. The machine tool disclosed by the present invention is provided with a fully enclosed outer protective shell, which is easy to install and has the functions of waterproofing and chip prevention, thereby improving the durability of the machine tool and the safety of production.

[0020] 5. The machine tool disclosed by the present invention realizes the functions of automatic chip removal and large-flow discharge by arranging a chip flushing assembly and an automatic chip conveyor, thereby avoiding the accumulation of chips that affect product processing. At the same time, it is equipped with a chip conveyor to facilitate the transportation of chips, thereby improving the durability of the machine tool, product production accuracy and safety, and reducing labor intensity and production costs.

[0021] 6. The machine tool disclosed by the present invention can improve the processing speed, accuracy and product surface quality of the machine tool, extend the tool life and maintain the processing accuracy of the machine tool spindle box by setting a balancing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the device disclosed in the present invention;

[0023] Figure 2 It is a northeast isometric view of the device disclosed in the present invention (without the protective shell);

[0024] Figure 3 It is a northwest isometric view of the device disclosed in the present invention (without the protective shell);

[0025] Figure 4 It is a northeast isometric view of the first tool magazine of the device disclosed in the present invention;

[0026] Figure 5 It is a northwest isometric view of the first tool magazine of the device disclosed in the present invention;

[0027] Figure 6 It is a structural schematic diagram of the second tool magazine of the device disclosed in the present invention;

[0028] Figure 7 It is a schematic diagram of the structure of the A-axis rotary table of the device disclosed by the present invention.

[0029] Among them: 1. CNC system; 2. Chip flushing assembly; 3. Fully enclosed outer protective shell; 4. Automatic chip conveyor; 5. Spindle box; 6. First tool magazine; 61. Tool storage magazine; 62. Tool change arm shaft; 63. Tool change arm; 64. Fixed bracket group; 65. Tool magazine base; 66. Cutting edge; 7. Second tool magazine; 71. Cover tool magazine; 72. Milling cutter magazine; 73. Connecting support; 74. First connecting frame; 75. Second connecting frame; 76. Telescopic assembly; 77. Line assembly; 8. Z-axis transmission assembly; 9. Base; 10. X-axis transmission assembly; 11. Cross slide; 12. Y-axis transmission assembly; 13. Column; 14. A-axis rotary table; 141. Support turntable; 142. Turntable support; 143. Turntable fixed seat; 144. Turntable drive; 15. Balance assembly; 16. Chip conveyor. DETAILED DESCRIPTION

[0030] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0031] like Figure 1-Figure 7As shown, a moving column type multi-axis linkage vertical machining center machine tool includes a numerical control system 1, a base 9 and a column 13, wherein the numerical control system 1 and the column 13 are arranged above the base 9, and a spindle box 5 is arranged on the side of the column 13. It also includes a tool magazine assembly and a multi-axis linkage assembly, and the tool magazine assembly and the multi-axis linkage assembly are electrically connected to the numerical control system 1. The tool magazine assembly is arranged above the base 9, and the multi-axis linkage assembly is respectively arranged between the base 9, the column 13 and the spindle box 5. The multi-axis linkage assembly is connected in series with the base 9, the column 13 and the spindle box 5, and the tool head can be quickly replaced according to the product production process. The movement of the multi-axis linkage assembly can also be controlled to realize various operations such as milling, boring, drilling, thread tapping and thread cutting.

[0032] like Figure 1-Figure 3 As shown, the tool magazine assembly includes a first tool magazine 6 and a second tool magazine 7. The first tool magazine 6 is arranged on the left side above the base 9, and automatic tool change is achieved in combination with the movement of the spindle box 5. The second tool magazine 7 is arranged on the right side above the base 9, and automatic tool change is achieved in combination with the movement of the spindle box 5.

[0033] like Figure 4 and Figure 5 As shown, the first tool magazine 6 includes a tool storage magazine 61, a fixed bracket group 64 and a tool magazine base 65 connected in sequence. The first tool magazine 6 is fixed on the base 9 through the tool magazine base 65. A tool changing arm 63 is arranged below the tool storage magazine 61. A tool changing arm rotating shaft 62 is arranged between the tool storage magazine 61 and the tool changing arm 63. A knife picking opening 66 is arranged below the tool storage magazine 61. The knife picking opening 66 and the tool changing arm rotating shaft 62 are in the same straight line. The internal rotating shaft of the tool storage magazine 61 rotates so that the tool to be replaced is located at the knife picking opening 66. The rotating shaft of the tool changing arm 63 rotates, and one end retracts the knife on the equipment and stores it in the tool storage magazine 61. The other end moves the knife to be replaced out of the tool storage magazine 61 and installs it on the equipment. The two steps are performed simultaneously.

[0034] like Figure 6 As shown, the second tool magazine 7 includes a cover tool magazine 71, a milling cutter magazine 72 and a connecting support 73 which are connected in sequence. The second tool magazine 7 is fixed to the base 9 through the connecting support 73. A second connecting frame 75 and a first connecting frame 74 are sequentially arranged above the connecting support 73. The cover tool magazine 71 is arranged inside the first connecting frame 74, and the first connecting frame 74 is arranged inside the second connecting frame 75. A circuit component 77 is arranged on the back of the second connecting frame 75. The connecting support 73 is also provided with a telescopic component 76, and the telescopic component 76 is connected to the milling cutter magazine 72. According to the product production process requirements, the head is automatically changed and closed under the cooperation of the movement of the spindle box 5 and the telescopic component 76.

[0035] like Figure 2 and Figure 3As shown, the multi-axis linkage assembly includes a Z-axis transmission assembly 8, an X-axis transmission assembly 10, a cross slide 11, a Y-axis transmission assembly 12 and an A-axis rotary table 14. The X-axis transmission assembly 10 is arranged above the base 9, the cross slide 11 is arranged above the X-axis transmission assembly 10, and the Y-axis transmission assembly 12 is arranged above the cross slide 11. The cross slide 11 moves left and right along the guide rail on the base 9 to realize the X-axis feeding movement. The upper and lower planes X and Y space verticality of the cross slide 11 are integrally processed and formed. The Y-axis transmission assembly 12 is connected to the column 13 on the top. Then, the column 13 is an integral structure, and moves forward and backward along the guide rail on the cross slide 11 to realize the Y-direction feeding movement. The Z-direction transmission component 8 is arranged on the front side of the column 13, and the other side of the Z-direction transmission component 8 is connected to the spindle box 5. The spindle box 5 moves up and down along the guide rail on the column 13 to realize the Z-direction feeding movement. The A-axis rotary table 14 is arranged on the top surface of the base 9, and the A-axis rotary table 14 is located between the first tool magazine 6 and the second tool magazine 7. The A-axis rotary table 14 is fixed on the base 9 and can automatically rotate around the Z-axis axis to realize the A-axis rotary movement.

[0036] like Figure 7 As shown, the A-axis rotary table 14 includes a supporting turntable 141, a turntable support 142 and a turntable fixing seat 143 which are connected in sequence. The A-axis rotary table 14 is fixed above the base 9 through the turntable fixing seat 143. The supporting turntable 141 and the turntable support 142 are rotatably connected, and a turntable driver 144 is arranged on the side of the turntable support 142.

[0037] like Figure 1 As shown, the machine tool disclosed in the present invention also includes a fully enclosed outer protective shell 3, which is easy to install and has the functions of waterproofing and chip prevention. The fully enclosed outer protective shell 3 wraps other components, and the numerical control system 1 is arranged on the front of the fully enclosed outer protective shell 3. Through the numerical control system 1, the four-axis linkage of X, Y, Z, and A can be realized to complete the processing of spatial curves.

[0038] The machine tool disclosed in the present invention also includes a chip flushing assembly 2 and an automatic chip conveyor 4, which are arranged on the right side of the fully enclosed outer protective shell 3. The chip flushing assembly 2 and the automatic chip conveyor 4 are located on the same straight line as the A-axis rotary table 14, realizing the functions of automatic chip removal and large-flow discharge, avoiding the accumulation of debris affecting product processing, and a chip conveyor 16 is arranged outside the automatic chip conveyor 4 to facilitate chip transportation.

[0039] like Figure 3 As shown, a balancing component 15 is arranged above the left side of the column 13 , and the balancing component 15 can improve the machining speed, precision and product surface quality of the machine tool, extend the tool life and maintain the machining precision of the machine tool spindle box 5 .

[0040] In the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the purpose of describing the present invention rather than requiring the present invention to be constructed or operated in a specific position, and therefore should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense, for example, it can be a connection or a detachable connection; it can be a direct connection or an indirect connection through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0041] The above is the preferred operation mode of the present invention, and the description of the specific operation mode is only used to better understand the concept of the present invention. For ordinary technicians in this technical field, several improvements or equivalent substitutions can be made according to the principles of the present invention, and these improvements or equivalent substitutions are also considered to fall within the protection scope of the present invention.

Claims

1. A movable column type multi-axis linkage vertical machining center machine tool, comprising a numerical control system (1), a base (9) and a column (13), wherein the numerical control system (1) and the column (13) are arranged above the base (9), and a spindle box (5) is arranged on the side of the column (13), characterized in that: It also includes a tool magazine component and a multi-axis linkage component, the tool magazine component and the multi-axis linkage component are electrically connected to the numerical control system (1), the tool magazine component is arranged above the base (9), the multi-axis linkage component is arranged between the base (9), the column (13) and the spindle box (5), respectively, and the multi-axis linkage component is connected in series with the base (9), the column (13) and the spindle box (5).

2. The movable column type multi-axis linkage vertical machining center machine tool according to claim 1, characterized in that: The tool magazine assembly comprises a first tool magazine (6) and a second tool magazine (7); the first tool magazine (6) is arranged on the left side above the base (9), and the second tool magazine (7) is arranged on the right side above the base (9).

3. The movable column type multi-axis linkage vertical machining center machine tool according to claim 2, characterized in that: The first tool magazine (6) comprises a tool storage magazine (61), a fixed bracket group (64) and a tool magazine base (65) which are connected in sequence. The first tool magazine (6) is fixed on the base (9) through the tool magazine base (65). A tool changing arm (63) is arranged below the tool storage magazine (61). A tool changing arm rotating shaft (62) is arranged between the tool storage magazine (61) and the tool changing arm (63). A tool taking opening (66) is arranged below the tool storage magazine (61). The tool taking opening (66) and the tool changing arm rotating shaft (62) are on the same straight line.

4. The movable column type multi-axis linkage vertical machining center machine tool according to claim 2, characterized in that: The second tool magazine (7) comprises a cover plate tool magazine (71), a milling cutter magazine (72) and a connecting support (73) which are connected in sequence. The second tool magazine (7) is fixed to the base (9) via the connecting support (73). A second connecting frame (75) and a first connecting frame (74) are arranged in sequence above the connecting support (73). The cover plate tool magazine (71) is arranged inside the first connecting frame (74), and the first connecting frame (74) is arranged inside the second connecting frame (75). A line component (77) is arranged on the back of the second connecting frame (75). The connecting support (73) is also provided with a telescopic component (76), and the telescopic component (76) is connected to the milling cutter magazine (72).

5. The movable column type multi-axis linkage vertical machining center machine tool according to claim 2, characterized in that: The multi-axis linkage assembly comprises a Z-axis transmission assembly (8), an X-axis transmission assembly (10), a cross slide (11), a Y-axis transmission assembly (12) and an A-axis rotary table (14); the X-axis transmission assembly (10) is arranged above the base (9); the cross slide (11) is arranged above the X-axis transmission assembly (10); the Y-axis transmission assembly (12) is arranged above the cross slide (11); the Y-axis transmission assembly (12) is connected to the column (13) at the top; the Z-axis transmission assembly (8) is arranged on the front side of the column (13); the other side of the Z-axis transmission assembly (8) is connected to the spindle box (5); the A-axis rotary table (14) is arranged on the top surface of the base (9); and the A-axis rotary table (14) is located between the first tool magazine (6) and the second tool magazine (7).

6. The movable column type multi-axis linkage vertical machining center machine tool according to claim 5, characterized in that: The A-axis rotary table (14) comprises a supporting turntable (141), a turntable support (142) and a turntable fixing seat (143) which are connected in sequence; the A-axis rotary table (14) is fixed above the base (9) via the turntable fixing seat (143); the supporting turntable (141) and the turntable support (142) are rotatably connected; a turntable driver (144) is arranged on the side of the turntable support (142).

7. The movable column type multi-axis linkage vertical machining center machine tool according to claim 5, characterized in that: It also comprises a fully enclosed outer protective shell (3), wherein the fully enclosed outer protective shell (3) encloses other components, and the numerical control system (1) is arranged on the front side of the fully enclosed outer protective shell (3).

8. The movable column type multi-axis linkage vertical machining center machine tool according to claim 6, characterized in that: The invention also comprises a chip flushing assembly (2) and an automatic chip conveyor (4), wherein the chip flushing assembly (2) and the automatic chip conveyor (4) are arranged on the right side of the fully enclosed outer protective shell (3), the chip flushing assembly (2) and the automatic chip conveyor (4) are located on the same straight line as the A-axis rotary table (14), and a chip conveyor vehicle (16) is arranged outside the automatic chip conveyor (4).

9. The movable column type multi-axis linkage vertical machining center machine tool according to claim 1, characterized in that: A balancing component (15) is arranged above the left side of the column (13).

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