Cutter positioning device of numerical control milling machine

Abstract

The utility model relates to the technical field of numerical control milling machine tool positioning, in particular to a numerical control milling machine tool positioning device which comprises a numerical control milling machine body, a control panel, a positioning assembly and a moving assembly. The positioning assembly comprises the electric push rods, the lifting plate, the control rods, the fixing blocks and the like, the two control rods are driven by the movable ends of the two electric push rods to move up and down, so that the three positioning rods are inserted into the three positioning grooves, the positioning plates are arranged on the control plate, and the positioning plates are arranged on the control plate. According to the numerical control milling machine, the position of the cutter is fixed, workers can conveniently replace cutters of different specifications for machining according to needs, time and labor are saved, the moving assembly comprises a protruding block, a sliding groove, a motor, a threaded rod and the like, the two sliding blocks drive the control panel to move above the numerical control milling machine body, and the position of the cutter can be conveniently moved according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of tool positioning for numerically controlled milling machines, in particular to a tool positioning device for numerically controlled milling machines. Background Art

[0002] CNC milling machine, also known as CNC milling machine, is a milling machine controlled by electronic digital signals.

[0003] In the prior art, a CNC milling machine such as that proposed in patent application number "CN201820271574.6" includes a worktable and a telescopic shaft, a placement groove is provided at the middle position of the upper inner surface of the worktable, and a No. 1 pin hole is provided on the side of the upper inner surface of the worktable close to the placement groove, a column is fixedly installed on the rear end outer surface of the worktable, and a spindle box is fixedly installed on the front end outer surface of the column, and a milling head is fixedly installed on the front end outer surface of the column close to the lower end of the spindle box.

[0004] However, in the above patent, it is necessary to manually replace the tools of different specifications for processing according to the needs, which is time-consuming and labor-intensive, and the operation is troublesome. In addition, the tools are fixed on the CNC milling machine, and it is inconvenient to move the position of the tools according to the needs. Utility Model Content

[0005] The purpose of the utility model is to provide a tool positioning device for a numerically controlled milling machine to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A tool positioning device for a CNC milling machine comprises a CNC milling machine body, a control panel, a positioning assembly and a moving assembly. The positioning assembly comprises electric push rods. Two electric push rods are vertically arranged on the upper surface of the control panel. The control panel is arranged above the CNC milling machine body. A lifting plate is fixedly arranged at the movable ends of the two electric push rods.

[0008] Two control rods are fixedly provided on the lower surface of the lifting plate, and the two control rods are symmetrical. Two fixed blocks are provided on the upper surface of the control plate. Limiting grooves are provided on the upper surfaces of the two fixed blocks. Limiting blocks are slidably provided on the outer surfaces of the two control rods. The two limiting blocks are respectively slidably provided inside the two limiting grooves. Moving holes are provided at the bottoms of the two limiting grooves, and the two control rods are respectively provided inside the two moving holes.

[0009] Preferably, a connecting block is fixedly provided on the upper surface of the control panel, the connecting block is arranged between two fixed blocks, three positioning holes are opened on the outer surface of the connecting block, and positioning rods are provided at the opposite ends of the two fixed blocks and the lower surface of the lifting plate, and the three positioning rods are respectively arranged inside the three positioning holes.

[0010] Preferably, the internal thread of the connecting block is provided with a rotating block, the lower surface of the rotating block is provided with a placing plate, and the lower surface of the placing plate is provided with a tool.

[0011] Preferably, the moving component includes a protrusion, two protrusions are arranged on the upper surface of the CNC milling machine body, and sliding grooves are opened on the upper surfaces of the two protrusions. A motor is arranged at one end of one protrusion, and a threaded rod is fixedly arranged at the output end of the motor. The threaded rod is rotatably arranged inside a sliding groove, and a fixed rod is arranged inside the other sliding groove.

[0012] Preferably, a sliding block is threadedly provided on the outer surface of the threaded rod, another sliding block is slidably provided on the outer surface of the fixed rod, and the lower ends of the two sliding blocks are slidably provided inside the two sliding grooves respectively.

[0013] Preferably, the upper ends of the two sliding blocks are fixedly arranged on the lower surface of the control board, and four mounting blocks are fixedly arranged on the lower surface of the CNC milling machine body.

[0014] Beneficial effects of the utility model:

[0015] The utility model discloses a positioning component including an electric push rod, a lifting plate, a control rod and a fixed block, etc., and the movable ends of the two electric push rods drive the two control rods to move up and down, so that the three positioning rods are inserted into the insides of the three positioning grooves to fix the position of the tool, which is convenient for manual replacement of tools of different specifications for processing as needed, which is relatively time-saving and labor-saving. The moving component includes a convex block, a sliding groove, a motor and a threaded rod, etc., and the control plate is driven to move above the main body of the CNC milling machine through the two sliding blocks, so that the position of the tool can be moved according to demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the electric push rod and lifting plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the limit groove and movable hole structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the rotating block and the cutter of the utility model;

[0021] Figure 5It is a structural schematic diagram of a fixing rod and a mounting block of the utility model.

[0022] The reference numerals in the figures are as follows:

[0023] 1. CNC milling machine body; 2. Control board; 3. Electric push rod; 4. Lifting plate; 5. Control rod; 6. Fixed block; 7. Limiting groove; 8. Limiting block; 9. Moving hole; 10. Positioning rod; 11. Connecting block; 12. Rotating block; 13. Positioning hole; 14. Placement plate; 15. Tool; 16. Bump; 17. Sliding groove; 18. Motor; 19. Threaded rod; 20. Sliding block; 21. Fixed rod; 22. Mounting block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] A tool positioning device for a CNC milling machine comprises a CNC milling machine body 1, a control panel 2, a positioning assembly and a moving assembly, wherein the positioning assembly comprises an electric push rod 3, two electric push rods 3 are vertically arranged on the upper surface of the control panel 2, the control panel 2 is arranged above the CNC milling machine body 1, and a lifting plate 4 is fixedly arranged at the movable ends of the two electric push rods 3.

[0026] Two control rods 5 are fixedly provided on the lower surface of the lifting plate 4, and the two control rods 5 are symmetrical. Two fixed blocks 6 are provided on the upper surface of the control plate 2. Limiting grooves 7 are provided on the upper surfaces of the two fixed blocks 6. Limiting blocks 8 are slidably provided on the outer surfaces of the two control rods 5. The two limiting blocks 8 are respectively slidably provided inside the two limiting grooves 7. Moving holes 9 are provided at the bottoms of the two limiting grooves 7, and the two control rods 5 are respectively provided inside the two moving holes 9.

[0027] like Figure 1 , Figure 2 and Figure 3 The two electric push rods 3 are vertically arranged on the upper surface of the control board 2. The movable ends of the two electric push rods 3 drive the lifting plate 4 to move up and down above the control board 2. The lifting plate 4 drives the two control rods 5 to move up and down. The two control rods 5 drive the two limit blocks 8 to move inside the two limit grooves 7 respectively, so that the two control rods 5 move up and down inside the two moving holes 9 respectively.

[0028] A connecting block 11 is fixedly provided on the upper surface of the control board 2, and the connecting block 11 is arranged between the two fixing blocks 6. Three positioning holes 13 are opened on the outer surface of the connecting block 11. Positioning rods 10 are provided on the opposite ends of the two fixing blocks 6 and the lower surface of the lifting plate 4. The three positioning rods 10 are respectively arranged inside the three positioning holes 13.

[0029] like Figure 1 Figure 2 and Figure 3 Since the connecting block 11 is disposed between the two fixing blocks 6 , when the two lifting plates 4 move, the three positioning rods 10 are driven to move and be inserted into the three positioning holes 13 .

[0030] The internal thread of the connecting block 11 is provided with a rotating block 12 , the lower surface of the rotating block 12 is provided with a placing plate 14 , and the lower surface of the placing plate 14 is provided with a tool 15 .

[0031] like Figure 1 and Figure 4 Since the lower end of the rotating block 12 is provided with a thread and the upper end is provided with three positioning grooves, the rotating block 12 is threadedly inserted into the interior of the connecting block 11 from the lower surface of the connecting block 11, and the placement plate 14 and the tool 15 are fixedly set on the lower surface of the control board 2 through the rotating block 12.

[0032] The moving component includes a protrusion 16, two protrusions 16 are arranged on the upper surface of the CNC milling machine body 1, and sliding grooves 17 are opened on the upper surfaces of the two protrusions 16. A motor 18 is arranged at one end of one protrusion 16, and a threaded rod 19 is fixedly arranged at the output end of the motor 18. The threaded rod 19 is rotatably arranged inside one sliding groove 17, and a fixed rod 21 is arranged inside the other sliding groove 17.

[0033] like Figure 3 and Figure 5 The motor 18 is set at one end of a protrusion 16, and the threaded rod 19 is driven to rotate inside a sliding groove 17 through the output end of the motor 18, and the fixed rod 21 is fixed inside the other sliding groove 17.

[0034] A sliding block 20 is threadedly disposed on the outer surface of the threaded rod 19 , and another sliding block 20 is slidably disposed on the outer surface of the fixed rod 21 . The lower ends of the two sliding blocks 20 are slidably disposed inside the two sliding grooves 17 .

[0035] like Figure 3 and Figure 5 , a sliding block 20 is driven to move by the threaded rod 19 , so that the other sliding block 20 slides on the outer surface of the fixed rod 21 .

[0036] The upper ends of the two sliding blocks 20 are fixedly arranged on the lower surface of the control board 2 , and four mounting blocks 22 are fixedly arranged on the lower surface of the CNC milling machine body 1 .

[0037] like Figure 2 , Figure 3 and Figure 5 The control panel 2 is driven to move above the CNC milling machine body 1 by two sliding blocks 20 , and the position of the CNC milling machine body 1 is fixed by four mounting blocks 22 .

[0038] The working principle of a tool positioning device for a CNC milling machine provided by the utility model is as follows:

[0039] The rotating block 12 is threadedly set inside the connecting block 11, the placing plate 14 and the tool 15 are fixed on the lower surface of the control board 2, and the electric push rod 3 is started. The lifting plate 4 and the two control rods 5 are driven to move up and down through the movable ends of the two electric push rods 3, so that the two limit blocks 8 slide inside the two limit grooves 7 respectively, and the three positioning rods 10 are inserted into the three positioning holes 13 and the inside of the three positioning grooves to fix the position of the tool 15. The motor 18 is started, and the threaded rod 19 is driven to rotate inside the sliding groove 17 through the output end of the motor 18, so that one sliding block 20 slides inside one sliding groove 17, and the other sliding block 20 slides on the outer surface of the fixed rod 21 and the inside of the other sliding groove 17 to rotate, driving the control board 2 to move above the CNC milling machine body 1, so that the tool 15 moves above the CNC milling machine body 1.

[0040] Compared with the related art, the tool positioning device for a CNC milling machine provided by the utility model has the following beneficial effects:

[0041] Since the positioning assembly of the utility model includes an electric push rod 3, a lifting plate 4, a control rod 5 and a fixing block 6, the movable ends of the two electric push rods 3 drive the two control rods 5 to move up and down, so that the three positioning rods 10 are inserted into the inside of the three positioning grooves to fix the position of the tool 15, which is convenient for manual replacement of tools 15 of different specifications for processing according to needs, which is more time-saving and labor-saving;

[0042] The moving assembly includes a protrusion 16, a sliding groove 17, a motor 18 and a threaded rod 19, etc. The two sliding blocks 20 drive the control board 2 to move above the CNC milling machine body 1, so as to move the position of the tool 15 according to the needs.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A tool positioning device for a CNC milling machine, comprising a CNC milling machine body (1), a control panel (2), a positioning component and a moving component, characterized in that: The positioning assembly comprises electric push rods (3), two electric push rods (3) are vertically arranged on the upper surface of a control panel (2), the control panel (2) is arranged above the CNC milling machine body (1), and a lifting plate (4) is fixedly arranged at the movable ends of the two electric push rods (3); Two control rods (5) are fixedly arranged on the lower surface of the lifting plate (4), and the two control rods (5) are symmetrical. Two fixed blocks (6) are arranged on the upper surface of the control plate (2). The upper surfaces of the two fixed blocks (6) are provided with limit grooves (7). The outer surfaces of the two control rods (5) are slidably provided with limit blocks (8). The two limit blocks (8) are respectively slidably arranged inside the two limit grooves (7). The bottoms of the two limit grooves (7) are provided with moving holes (9), and the two control rods (5) are respectively arranged inside the two moving holes (9).

2. A CNC milling machine tool positioning device according to claim 1, characterized in that: A connecting block (11) is fixedly arranged on the upper surface of the control panel (2), the connecting block (11) is arranged between the two fixing blocks (6), three positioning holes (13) are opened on the outer surface of the connecting block (11), and positioning rods (10) are arranged on the opposite ends of the two fixing blocks (6) and the lower surface of the lifting plate (4), and the three positioning rods (10) are respectively arranged inside the three positioning holes (13).

3. A CNC milling machine tool positioning device according to claim 2, characterized in that: The internal thread of the connection block (11) is provided with a rotating block (12), the lower surface of the rotating block (12) is provided with a placing plate (14), and the lower surface of the placing plate (14) is provided with a tool (15).

4. A CNC milling machine tool positioning device according to claim 1, characterized in that: The moving assembly comprises a convex block (16), two convex blocks (16) are arranged on the upper surface of the CNC milling machine body (1), the upper surfaces of the two convex blocks (16) are both provided with a sliding groove (17), a motor (18) is arranged at one end of one convex block (16), a threaded rod (19) is fixedly arranged at the output end of the motor (18), the threaded rod (19) is rotatably arranged inside one sliding groove (17), and a fixed rod (21) is arranged inside the other sliding groove (17).

5. A tool positioning device for a CNC milling machine according to claim 4, characterized in that: The outer surface of the threaded rod (19) is threadedly provided with a sliding block (20), and the outer surface of the fixed rod (21) is slidably provided with another sliding block (20), and the lower ends of the two sliding blocks (20) are slidably provided inside the two sliding grooves (17) respectively.

6. A tool positioning device for a CNC milling machine according to claim 5, characterized in that: The upper ends of the two sliding blocks (20) are fixedly arranged on the lower surface of the control panel (2), and four mounting blocks (22) are fixedly arranged on the lower surface of the CNC milling machine body (1).

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