Numerical control drilling and tapping all-in-one machine and control method thereof

An integrated tapping and screw technology, used in other manufacturing equipment/tools, manufacturing tools, metal processing machinery parts, etc., can solve the problems of low processing efficiency, high manufacturing machinery cost, waste of manpower, etc., and achieve good processing accuracy. , High degree of automation, good control and adjustment effect

Inactive Publication Date: 2013-07-10
SHUNDE POLYTECHNIC
14 Cites 24 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Most of the cutting, drilling, tapping and grinding equipment used in the market are traditionally operated manually. The operation steps are cumbersome, the processing efficiency is low, the processing accuracy is poor, and it is a waste of manpower.
Although there are cu...
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Abstract

The invention relates to a numerical control drilling and tapping all-in-one machine and a control method thereof. The numerical control drilling and tapping all-in-one machine is characterized by comprising a frame, a left Y-direction slide rail structure, a right Y-direction slide rail structure, a workpiece clamping table, a portal type mounting rack, a left slide block structure, a right slide block structure, a Y-direction driving structure, a slide framework, an X-direction driving structure, a left slider, a right slide, a Z-direction driving structure, a drill bit motor assembly, a screw tap motor assembly, a drill bit and a screw tap. The numerical control drilling and tapping all-in-one machine has the advantages as follows: multiple functions are achieved; cutting, edging and tapping can be fulfilled on one machine; the degree of automation and the machining precision are high; complex linear interpolation, circular interpolation, feed speed regulation, rough machining, finish machining and the like can be carried out; the control and regulation are easy; the operating efficiency is high; and the manipulation is more convenient.

Application Domain

Technology Topic

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  • Numerical control drilling and tapping all-in-one machine and control method thereof
  • Numerical control drilling and tapping all-in-one machine and control method thereof
  • Numerical control drilling and tapping all-in-one machine and control method thereof

Examples

  • Experimental program(1)

Example Embodiment

[0039] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The same or similar reference numerals in the drawings indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be understood as limiting the present invention.
[0040] In the description of the present invention, the directions or positional relationships indicated by the terms "Y-direction", "X-direction", "Z-direction", "upper" and "lower" are based on the directions or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention, it is not required that the present invention must be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention.
[0041] Such as Figure 1 to 8 As shown, it is a CNC drilling and tapping integrated machine, including:
[0042] The frame 1, the left Y-direction slide rail structure 2, the right Y-direction slide rail structure 19 and the workpiece clamping table 4, wherein the left Y-direction slide rail structure 2 and the right Y-direction slide rail structure 19 are respectively installed in the rack 1 The table top is located on both sides of the table top, and the workpiece clamping table 4 is installed on the table top of the rack 1 and is located between the left Y-direction slide rail structure 2 and the right Y-direction slide rail structure 19;
[0043] The door-shaped mounting frame 15, the left slider structure 39, and the right slider structure 18, wherein the door-shaped mounting frame 15 includes two left and right legs and a crossbar structure connecting the left and right legs. The left slider structure 39 and the right slider structure 18 are respectively installed on the left and right legs of the door-shaped mounting frame 15. The left slider structure 39 is in sliding cooperation with the left Y-direction slide rail structure 2, and the right slider structure 18 and the right Y-direction slide rail Structure 19 sliding fit;
[0044] Y-direction drive structure, the Y-direction drive structure is installed on the table surface of the rack 1 and can drive the left slide structure 39 to slide on the left Y slide structure 2 and the right slide structure 18 on the right Y slide structure Slide on 19;
[0045] The sliding frame 10 is slidably arranged on the cross-bar structure of the door-shaped mounting frame 15;
[0046] X-direction drive structure, the X-direction drive structure is mounted on the door-shaped mounting frame 15 and can drive the sliding frame 10 to slide on the cross-bar structure of the door-shaped mounting frame 15;
[0047] The left sliding piece 23, the right sliding piece 28 and the Z-direction drive structure, wherein the left sliding piece 23 and the right sliding piece 28 are respectively slidably arranged on the sliding frame 10 and can slide up and down, and the Z-direction drive structure is installed on the sliding On the frame 10 and capable of respectively driving the left slider 23 and the right slider 28 to slide on the sliding frame 10 in the Z direction; and
[0048] The drill bit motor assembly 6, the tap motor assembly 11, the drill bit 5 and the tap 13, wherein the drill bit motor assembly 6 is mounted on the left slider 23, and the drill bit 5 is mounted on the shaft of the drill bit motor assembly 6, so The tap motor assembly 11 is installed on the right slider 28, the tap 13 is installed on the rotating shaft of the tap motor assembly 11, and the drill bit 5 and the tap 13 are located above the workpiece clamping table 4.
[0049] When working, the power is turned on, the Y-direction drive structure drives the door-shaped mounting frame 15 to move horizontally in the Y-direction, so that the door-shaped mounting frame 15 is located above the workpiece clamping table 4; the X-direction drive structure drives the sliding frame 10 to be horizontal Move in the X direction to make the drill 5 or the tap 13 face the workpiece on the workpiece clamping table 4; when the drill 5 or the tap 13 faces the workpiece on the workpiece clamping table 4, the Z-direction drive structure drives the left sliding member 23 Or the right slider 28 slides up and down, and the drill 5 or the tap 13 starts to drill or tap the workpiece.
[0050] In this embodiment, the left Y-direction slide rail structure 2 is a single slide rail, and the single slide rail is installed in the Y direction on the side of the table of the rack 1; the right Y-direction slide rail structure 19 is a double slide rail. The two slide rails are mounted on the other side of the table surface of the rack 1 in the Y direction; the left sliding block structure 39 is a sliding block with a single sliding groove, and the single sliding groove is slidingly matched with a single sliding rail; The right sliding block structure 18 is a sliding block with double sliding grooves, and the double sliding grooves are slidingly matched with the two sliding rails. A Y-direction with threaded holes is provided under the right sliding block structure 18 and between the double sliding grooves. Nut 42; the Y-direction drive structure includes a Y-direction servo motor assembly 16 and a Y-direction screw 20, the Y-direction servo motor assembly 16 is installed on the table of the frame 1 and can drive the Y-direction screw 20 When rotating, the Y-direction screw 20 is rotatably installed on the table surface of the frame 1 and is located between the double sliding grooves, and the Y-direction nut 42 is sleeved on the Y-direction screw 20 and is threadedly fitted. When working, the Y-direction servo motor assembly 16 drives the Y-direction screw rod 20 to rotate. Because the Y-direction screw rod 20 is threaded with the Y-direction nut 42, the right slider structure 18 is made horizontal Y on the double slide rails. Sliding in the left direction, the left sliding block structure 39 will also slide in the horizontal Y direction on the left Y direction sliding rail structure 2 at this time.
[0051] In this embodiment, the crossbar structure includes an upper sliding shaft 12 and a lower shaft 7. The upper sliding shaft 12 and the lower shaft 7 are installed between the left and right legs of the door-shaped mounting frame 15. The sliding frame 10 It is slidably mounted on the upper sliding shaft 12 and the lower shaft 7, and an X-direction nut 32 with threaded holes is provided on the back of the sliding frame 10; the X-direction drive structure includes the X-direction servo motor assembly 14 and the X-direction screw 8 , The X-direction servo motor assembly 14 is mounted on the door-shaped mounting frame 15 and can drive the X-direction screw 8 to rotate, and the X-direction screw 8 is rotatably installed on the left and right legs of the door-shaped mounting frame 15 In between, the X-direction nut member 32 is sleeved on the X-direction screw 8 and threadedly fitted. When working, the X-direction servo motor assembly 14 drives the X-direction screw 8 to rotate. Because the X-direction screw 8 and the X-direction nut 32 are threaded together, the sliding frame 10 is used as X on the upper sliding shaft 12 and the lower shaft 7. Move to the horizontal.
[0052] In this embodiment, two left Z-direction sliding rods 24 and two right Z-direction sliding rods 27 are respectively provided on the sliding frame 10; the Z-direction drive structure includes a Z-direction servo motor assembly 9 and a left gear 31 , Right gear 33, intermediate gear 30, left Z-direction screw 25 and right Z-direction screw 26, the Z-direction servo motor assembly 9, left gear 31, right gear 33, intermediate gear 30, left Z-direction screw 25 and the right Z-direction screw 26 are respectively installed on the sliding frame 10, the left Z-direction screw 25 and the right Z-direction screw 26 are longitudinally distributed (ie, Z-direction) on the sliding frame 10; the left Z-direction screw 25 It is located longitudinally between the two left Z-direction sliding rods 24 and is rotatable. The left sliding piece 23 is installed on the left Z-direction screw 25 and the two left Z-direction sliding rods 24 and can move up and down. The Z-direction screw 25 is threaded; the right Z-direction screw 26 is longitudinally located between the two right Z-direction sliding rods 27 and is rotatable, and the right sliding member 28 is installed on the right Z-direction screw 26 and the two right Z-direction The sliding rod 27 can be moved up and down, the right sliding piece 28 is threadedly fitted with the right Z-direction screw 26; the Z-direction servo motor assembly 9 drives the intermediate gear 30 to rotate, and the intermediate gear 30 is connected to the left gear 31 and the right gear respectively. The gear 33 is engaged, the left gear 31 drives the left Z-direction screw 25 to rotate, and the right gear 33 drives the right Z-direction screw 26 to rotate. When working, when the Z-direction servo motor assembly 9 rotates counterclockwise, the intermediate gear 30 rotates counterclockwise, and the intermediate gear 30 drives the left gear 31 to rotate clockwise. At this time, the left Z-direction screw 25 also rotates clockwise, and the left sliding piece 23 Move down so that the drill bit 5 faces the workpiece to be processed. At this time, the drill motor assembly 6 drives the drill bit 5 to drill the workpiece to be processed; at the same time, the intermediate gear 30 drives the right gear 33 to rotate counterclockwise, and the right Z-direction screw 26 also counterclockwise When the clock hand rotates, the right slider 28 moves upward, so that the tap 13 leaves the workpiece to be processed. When the Z-direction servo motor assembly 9 rotates clockwise, the intermediate gear 30 rotates clockwise, the intermediate gear 30 drives the right gear 33 to rotate clockwise, the right Z-direction screw 26 also rotates clockwise, and the right slider 28 moves down to make The tap 13 faces the workpiece to be machined, and the tap is driven by the tap motor assembly 11 to tap the workpiece to be machined. At this time, the left slider 23 moves upward to make the drill 5 leave the workpiece to be machined.
[0053] In this embodiment, a workpiece support table 21 is provided on the table surface of the frame 1, a thrust bearing 40 is provided on the workpiece support table 21, and a turntable 3 is mounted on the thrust bearing 40. The workpiece clamping table 4 is installed on the turntable 3; a servo motor assembly 43 is provided under the table surface of the frame 1, and the servo motor assembly 43 drives the turntable 3 to rotate; there is also set between the thrust bearing 40 and the workpiece support table 21 There is a bearing 41. During operation, the servo motor assembly 43 drives the turntable 3 to rotate, so that the work to be processed on the workpiece clamping table 4 is aligned with the drill 5 or the tap 13.
[0054] In this embodiment, Y-direction limit contacts 17 are respectively provided at the front and rear ends of the side of the right Y-direction slide rail structure 19, and contacts 191 are provided on the right slider structure 18. The two Y-direction limit contacts 17 can respectively cooperate with the contacts 191 on the right slider structure 18 to limit the Y-direction sliding distance of the right slider structure 18 on the right Y-direction rail structure 19.
[0055] In this embodiment, X-direction limit contacts 37 and 38 are respectively provided at the horizontal ends of the horizontal bar structure of the door-shaped mounting frame 15, and a contact 101 is provided on the back of the sliding frame 10, so The two X-direction limit contacts 37 and 38 can respectively cooperate with the contact 101 provided on the back of the sliding frame 10 to limit the X-direction sliding distance of the sliding frame 10 on the crossbar structure.
[0056] In this embodiment, Z-direction limit contacts 34 and 36 are respectively provided on the upper and lower sides of one side of the sliding frame 10, and a contact 281 is provided on the right slider 28, and the two Z-direction The limit contacts 34 and 36 can respectively cooperate with the contact 281 on the right slider 28 to limit the Z-direction sliding distance of the right slider 28 and the left slider 23 on the sliding frame 10.
[0057] A control method of a CNC drilling and tapping integrated machine, the control steps are as follows:
[0058] step one:
[0059] Turn on the power of the mechanical and electrical control, start the controller and the machine, and observe whether the door-shaped mounting frame 15, the sliding frame 10, the left sliding piece 23 and the right sliding piece 28 are at the origin. If so, you can select the automatic return to the origin of the man-machine interface , Make the drill 5 and the tap 13 aligned, otherwise you need to manually move the door-shaped mounting frame 15, the sliding frame 10, the left sliding piece 23 and the right sliding piece 28 to the origin; then install the workpiece to be processed on the workpiece clamping table 4, tap Workpiece requirements in wire mode: aluminum profile and steel with a thickness of less than 10mm, and then install the tool according to the processing technology. If the tapping mode is selected, the drill 5 should be installed on the electric spindle when installing the tool, and the tap should be installed on the stepper motor. 13;
[0060] Step two:
[0061] Establish the required workpiece coordinate system, the coordinate value in the program is the coordinate value of this workpiece coordinate system, respectively in the man-machine interface "+X", "-X", "+Y", "-Y", "+ Z is for drill", "-Z is for drill", "+Z is for tap", "-Z is for tap", "Stop" button or external button controls XYZ, which is the drill axis forward, reverse, stop, forward point After the tool setting is completed, press the "Coordinate Confirmation" button on the man-machine interface, the program will establish the workpiece coordinate system, the user inputs the coordinate value is the absolute value of the workpiece coordinate system, and then the tap 13 axis Press "Double tool deviation calculation", then the tool setting action is completed;
[0062] Step three:
[0063] The selection mode is tapping mode, and there are three control modes; one: input the position to be tapped, multiple tapping positions can be input; two: when the turntable 3 is used for processing, the center of the workpiece and the center of the turntable 3 are concentric Circle, how many degrees to turn the turntable to process. Three: After selecting a point and inputting the radius and angle, it will be processed. At this time, the point is the absolute value and the machine's transverse direction is zero. Set the depth and select the size that needs to be tapped, such as: M5 , The system will give the appropriate speed and feed, and the user can also modify it by himself;
[0064] Step 4:
[0065] When confirming that the parameters are not wrong, press "Start Machining" and the program will clear the axis status. After starting the motion axis, the motion axis moves to the relative position to process the drilling according to the hole size input by the user, and moves to the next hole position after completion , After all the holes are processed, change the taps to convert the coordinates to process the internal thread. After all the taps are completed, return to the main interface.
[0066] Step Five:
[0067] If an accident occurs, press the external stop button urgently.
[0068] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and deformations can be made to these embodiments without departing from the principle and purpose of the present invention. The scope of the present invention is defined by the claims and their equivalents.
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