Horizontal lathe wedge cross rolling die inclined slot machining control device

Abstract

The application discloses a wedge cross rolling die inclined groove machining control device for a horizontal lathe, which comprises a horizontal lathe, characterized in that: a frequency conversion control box is arranged on a lathe control cabinet of the horizontal lathe, a reverse switch is arranged on a panel of the frequency conversion control box; a servo motor is fixedly arranged at a right end of the horizontal lathe, a lead screw gear is arranged at a right end of a lead screw, a driving gear on a rotating shaft of the servo motor is in mesh transmission with the lead screw gear; a wedge-shaped circular arc plate is arranged on a peripheral wall of a chuck, a main shaft travel switch matched with the wedge-shaped circular arc plate is fixedly arranged on a side wall of the horizontal lathe below the chuck; a left touch piece and a right touch piece are respectively fixedly arranged at left and right ends of an upper panel of a drag plate box, a tool rest travel switch is arranged on a platform of the horizontal lathe; and the frequency conversion control box is connected with a handheld controller through wires. The application is installed on the horizontal lathe and is used for realizing accurate positioning of a starting point of tool travel and improving the machining precision of the wedge cross rolling die.

Description

TECHNICAL FIELD

[0001] The application relates to an improvement of a CW61100e horizontal lathe and belongs to the technical field of wedge cross rolling die machining. BACKGROUND

[0002] The wedge cross rolling die machining process is as follows: casting a die sleeve, rough machining, heat treatment, fine turning of the die sleeve, cutting, drilling, and turning of a wedge cross rolling die groove; when the CW61100e horizontal lathe is used to turn the wedge cross rolling die groove, the groove type is first turned according to the product shape, then the widening angle is turned, the widening angle is generally 7-12 degrees, then the forming angle is turned, the forming angle is generally 26-34 degrees, and the widening angle and the forming angle are both obliquely turned by using the oblique groove machining method, and only different cutters need to be replaced. The horizontal lathe 1 is provided with a chuck 101, a tool rest 102, a tailstock box 103, a screw rod 104, a light rod 105, a lathe control cabinet, a main shaft motor, and a gear box; the main shaft forward rotation contactor KM1 and the main shaft reverse rotation contactor KM2 in the lathe control cabinet are connected with the main shaft motor through wires to control the forward rotation and the reverse rotation of the main shaft motor; the screw rod 104 and the light rod 105 are arranged in parallel on the front side wall of the horizontal lathe 1, the lower end of the tailstock box 103 is connected with the screw rod 104 and the light rod 105 for transmission, the screw rod 104 drives the tailstock box 103 to move axially along the light rod 105, the tool rest 102 is fixedly arranged on the tailstock box 103, the main shaft motor is connected with the gear box for transmission, the gear on the left end of the screw rod 104 is connected with the gear box for transmission, and the transmission gear of the chuck 101 is connected with the gear box for transmission; the wedge cross rolling die 2 is composed of a mandrel 21 and a die sleeve 22, the die sleeve 22 is arranged at the middle part of the mandrel 21, a recess 24 is formed after the die sleeve 22 is installed, the oblique groove 23 is turned on the outer wall of the die sleeve 22, and the widening angle and the forming angle are turned by replacing the appropriate cutter; when the oblique groove is machined on the horizontal lathe 1, the gear connection transmission mode of the gear box needs to be changed, the transmission gear of the chuck 101 is connected with the gear box for transmission, and the gear on the left end of the screw rod 104 is connected with the gear box for transmission, so that the main shaft motor drives the chuck 101 to rotate and the tool rest 102 to move leftward and rightward synchronously; the disadvantage is that when the oblique groove where the widening angle and the forming angle of the wedge cross rolling die are located is machined, the gear on the left end of the screw rod 104 and the gear in the gear box are subjected to large stress, and the shaft is easily broken and the gear is easily damaged, thereby affecting the machining progress; different wedge cross rolling dies have different inclined angles of the widening angle and the forming angle, the inclined angle is realized by the moving speed of the tool rest 102, the gear on the left end of the screw rod 104 needs to be replaced, time and effort are wasted, the labor intensity is high, and the machining precision is low. Figure 4 、 Figure 5 SUMMARY

[0003] ​The wedge cross rolling die inclined groove machining control device for the horizontal lathe has the advantages that the structure is simple, the operation is convenient, the work of the lead screw is controlled through the frequency converter and the servo motor, the moving speed of the tool rest is accurately regulated, the starting point of the tool rest is accurately positioned, the machining precision of the wedge cross rolling die is improved, the phenomena of broken shaft and damaged gear are avoided, and the machining work is smoothly carried out.

[0004] In order to achieve the above object, the technical scheme adopted by the present application is that the wedge cross rolling die inclined groove machining control device for the horizontal lathe comprises a horizontal lathe, a chuck, a tool rest, a drag plate box, a lead screw, a light screw, a lathe control cabinet, a main shaft motor and a gear box which are arranged on the horizontal lathe; the main shaft forward rotation contactor and the main shaft reverse rotation contactor in the lathe control cabinet are connected with the main shaft motor through wires; the lead screw and the light screw are arranged in parallel on the front side wall of the horizontal lathe, the lower end of the drag plate box is connected with the lead screw and the light screw for transmission, the tool rest is fixedly arranged on the drag plate box, the main shaft motor is connected with the gear box for transmission, the transmission gear of the chuck is connected with the gear box for transmission, and the gear at the left end of the lead screw is completely separated from the gear box; characterized in that a frequency conversion control box is fixedly arranged on the lathe control cabinet of the horizontal lathe, a forward and reverse switch is fixedly arranged on the panel of the frequency conversion control box, a servo motor is fixedly arranged at the right end of the horizontal lathe, a lead screw gear is fixedly arranged at the right end of the lead screw, the driving gear on the rotating shaft of the servo motor is in mesh transmission with the lead screw gear, a wedge-shaped circular arc plate is arranged on the peripheral wall of the chuck, a main shaft stroke switch matched with the wedge-shaped circular arc plate is fixedly arranged on the side wall of the horizontal lathe below the chuck, the main shaft stroke switch is a normally closed switch, left and right side touch plates are fixedly arranged at the left and right ends of the upper panel of the drag plate box, and a tool rest stroke switch is arranged on the platform of the horizontal lathe; when the tool rest stroke switch is located at the left side of the tool rest, the tool rest stroke switch is matched with the left side touch plate for work; when the tool rest stroke switch is located at the right side of the tool rest, the tool rest stroke switch is matched with the right side touch plate for work; the frequency conversion control box is connected with a handheld controller through wires, the handheld controller is provided with a start button, a reset button and a stop button, the stop button is a normally closed switch, a frequency converter and a circuit breaker are arranged in the frequency conversion control box, the R, S and T terminals of the frequency converter are electrically connected with the power supply through the circuit breaker, the U, V and W terminals of the frequency converter are electrically connected with the servo motor through the forward and reverse switch, the forward and reverse switch is used for adjusting the two working states of the forward rotation and the reverse rotation of the servo motor, the start button is electrically connected with the X1 and COM terminals of the frequency converter, the start button is connected in parallel with the normally open contact of the main shaft forward rotation contactor, and then is electrically connected with the COM terminal of the frequency converter through the stop button, the tool rest stroke switch is electrically connected with the X2 and COM terminals of the frequency converter, the reset button is electrically connected with the X3 and COM terminals of the frequency converter, the reset button is connected in parallel with the normally open contact of the main shaft reverse rotation contactor, and then is electrically connected with the COM terminal of the frequency converter through the main shaft stroke switch, the E terminal of the frequency converter is grounded, and a braking resistor is electrically connected with the PP and PB terminals of the frequency converter.

[0005] The wedge-shaped circular arc plate is adsorbed on the circumferential wall of the chuck by a magnet.

[0006] The beneficial effects of the present application are that, compared with the current inclined groove machining control device of the horizontal lathe, the present application is installed on the horizontal lathe for use, has simple structure and convenient operation, realizes precise control of the moving speed of the tool holder by controlling the screw through the frequency converter and the servo motor, simultaneously precisely positions the starting point of the tool travel, improves the wedge cross rolling die machining precision, avoids the phenomena of broken shaft and damaged gear, guarantees the smooth progress of the machining work, and prolongs the service life of the lathe. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is a structural front view schematic diagram of the present application;

[0008] Figure 2 It is a structural rear view schematic diagram of the present application;

[0009] Figure 3 It is a right view schematic diagram of the chuck and the wedge-shaped circular arc plate installation structure of the present application;

[0010] Figure 4 It is a front view enlarged schematic diagram of the inclined groove structure of the wedge cross rolling die;

[0011] Figure 5 It is a rear view enlarged schematic diagram of the inclined groove structure of the wedge cross rolling die;

[0012] Figure 6 It is a circuit principle diagram of the frequency conversion control box of the present application.

[0013] In the figure: 1, horizontal lathe; 101, chuck; 102, tool holder; 103, drag plate box; 104, screw; 105, light lever; 2, wedge cross rolling die; 21, mandrel; 22, die sleeve; 23, inclined groove; 24, groove; 3, servo motor; 4, screw gear; 5, frequency conversion control box; 6, left side touch piece; 7, right side touch piece; 8, wedge-shaped circular arc plate; 9, frequency converter; 10, handheld controller; QF, circuit breaker; SA, reverse switch; SB1, start button; SB2, reset button; SB3, stop button; KM1, main shaft forward rotation contactor; KM2, main shaft reverse rotation contactor; R, braking resistance; SQ1, tool holder travel switch; SQ2, main shaft travel switch. DETAILED DESCRIPTION

[0014] Reference Figure 1 , Figure 2 , Figure 3 , Figure 6 The present application is made to process, for example Figure 4 , Figure 5The wedge groove of the cross wedge rolling die shown in the middle is finally machined into the required spread angle and forming angle by replacing the appropriate tool.

[0015] The horizontal lathe wedge cross rolling die inclined slot machining control device, including horizontal lathe 1, the horizontal lathe 1 is equipped with chuck 101, tool rest box 102, lead screw 104, light pole 105, lathe control cabinet, main shaft motor and gear box, the main shaft forward contactor KM1 and main shaft reverse contactor KM2 in the lathe control cabinet are connected with main shaft motor through wire respectively, to control the forward rotation and reverse rotation of main shaft motor, lead screw 104 and light pole 105 are arranged in parallel on the front side wall of horizontal lathe 1, the lower end of tool rest box 103 is connected with lead screw 104 and light pole 105 transmission, the tool rest box 103 is driven along the light pole 105 axial movement by lead screw 104, tool rest box 102 is fixedly arranged on the tool rest box 103, main shaft motor is connected with gear box transmission, the transmission gear of chuck 101 is connected with gear box transmission, the forward rotation and reverse rotation of chuck 101 are driven by the forward rotation and reverse rotation of main shaft motor, the gear of the left end of lead screw 104 is completely separated from gear box, characterized in that: the lathe control cabinet of horizontal lathe 1 is fixedly provided with frequency conversion control box 5, the faceplate of frequency conversion control box 5 is fixedly provided with reverse switch SA, the right end of horizontal lathe 1 is fixedly provided with servo motor 3, the right end of lead screw 104 is fixedly provided with lead screw gear 4, the driving gear on the rotating shaft of servo motor 3 is meshed with lead screw gear 4 transmission, the forward rotation and reverse rotation of lead screw 104 are driven by servo motor 3, so as to drive tool rest box 102 to move left and right along light pole 105, the peripheral wall of chuck 101 is provided with wedge-shaped circular arc plate 8, the main shaft travel switch SQ2 matched with wedge-shaped circular arc plate 8 is fixedly arranged on the side wall of horizontal lathe 1 below chuck 101, the main shaft travel switch SQ2 is normally closed switch, the opening and closing of main shaft travel switch SQ2 are controlled by wedge-shaped circular arc plate 8, the left and right ends of the upper panel of tool rest box 103 are respectively fixedly provided with left side touch piece 6 and right side touch piece 7, tool rest box 102 is fixedly arranged on the platform of horizontal lathe 1, when tool rest box 102 is located on the left side of tool rest box 102, tool rest box 102 is matched with left side touch piece 6 and works, when tool rest box 102 is located on the right side of tool rest box 102, tool rest box 102 is matched with right side touch piece 7 and works, the frequency conversion control box 5 is connected with handheld controller 10 through wire, the handheld controller 10 is provided with start button SB1, reset button SB2 and stop button SB3, the stop button SB3 is normally closed switch, the frequency converter 9 and circuit breaker QF are arranged in the frequency conversion control box 5, the R, S, T terminals of frequency converter 9 are connected with power supply through circuit breaker QF, the U, V, W terminals of frequency converter 9 are connected with servo motor 3 through reverse switch SA, the forward rotation and reverse rotation of servo motor 3 are adjusted by reverse switch SA, the X1, COM terminals of frequency converter 9 are connected with start button SB1, the normally open contact of main shaft forward contactor KM1 is connected with start button SB1 in parallel, the COM terminal of frequency converter 9 is connected with stop button SB3, the COM terminal of frequency converter 9 is connected with stop button SB3.The knife rest travel switch SQ1 is electrically connected with the X2 and COM terminals of the frequency converter 9; the reset button SB2 is electrically connected with the X3 and COM terminals of the frequency converter 9, and after the reset button SB2 is connected in parallel with the normally open contact of the main shaft reverse contactor KM2, the reset button SB2 is electrically connected with the COM terminal of the frequency converter 9 through the main shaft travel switch SQ2; the E terminal of the frequency converter 9 is grounded, and the braking resistor R is electrically connected with the PP and PB terminals of the frequency converter 9.

[0016] The wedge-shaped circular arc plate 8 is adsorbed on the circumferential wall of the chuck 101 by a magnet, so as to facilitate adjustment of the position of the wedge-shaped circular arc plate 8 on the circumferential wall of the chuck 101, thereby adapting to wedge cross rolling dies of different specifications.

[0017] The frequency converter 9 is selected from the SVF-EV-JP G3.7 / P5.5T4B model.

[0018] When the wedge-shaped cross rolling die 2 needs to be processed by using the widening angle and the forming angle corresponding to the inclined groove 23 of the present application, the left side inclined groove and the right side inclined groove on the wedge-shaped cross rolling die 2 need to be respectively turned, the left side inclined groove and the right side inclined groove intersect at the middle part of the die sleeve 22 to form the widening angle, and then the inner side wall of the left side inclined groove and the right side inclined groove is turned to form the inclined surface, thereby forming the forming angle. The starting point of the left side inclined groove processing is located at the left side edge of the die sleeve 22, the starting point of the right side inclined groove processing is located at the right side edge of the die sleeve 22, the left side inclined groove and the right side inclined groove are symmetrical on the die sleeve 22, and the end points of the left side inclined groove and the right side inclined groove processing are located in the groove 24 of the die sleeve 22. The operation process is as follows:

[0019] (I) The mandrel 21 of the wedge-shaped cross rolling die 2 is fixed between the chuck 101 and the tailstock of the horizontal lathe 1;

[0020] (II) The starting points and intersection points of the left side inclined groove and the right side inclined groove processing are respectively marked on the outer wall of the die sleeve 22 of the wedge-shaped cross rolling die 2;

[0021] (III) The positions of the wedge-shaped circular arc plate 8 and the knife rest travel switch SQ1 are set according to the left side inclined groove on the wedge-shaped cross rolling die 2: according to the starting point of the left side inclined groove, the position of the wedge-shaped circular arc plate 8 on the chuck 101 is adjusted, so that when the wedge-shaped circular arc plate 8 touches the main shaft travel switch SQ2, the chuck 101 reverses to the starting point of the left side inclined groove with the wedge-shaped cross rolling die 2; at the same time, the position of the knife rest travel switch SQ1 on the left side of the slide plate box 103 is adjusted, so that the knife rest 102 moves to the left together with the left side touch piece 6 until the left side touch piece 6 touches the knife rest travel switch SQ1, and the tool on the knife rest 102 is located at the starting point of the left side inclined groove;

[0022] According to the starting point of the left side inclined groove and the intersection point of the left side inclined groove and the right side inclined groove, the inclination angle of the left side inclined groove is determined, the rotating speed of the chuck 101 is adjusted to be suitable for the moving speed of the tool holder 102, so that the tool on the tool holder 102 always runs along the running track of the left side inclined groove on the die sleeve 22 to perform the turning work;

[0023] (Four), the position of the tool holder stroke switch SQ1 arranged according to the right side inclined groove on the wedge cross rolling die 2: according to the starting point of the right side inclined groove, the position of the tool holder stroke switch SQ1 on the right side of the sliding plate box 103 is adjusted, so that the tool holder 102 moves to the right together with the right side touch piece 7, and when the right side touch piece 7 touches the tool holder stroke switch SQ1, the tool on the tool holder 102 is just located at the starting point of the right side inclined groove;

[0024] Since the left side inclined groove and the right side inclined groove are symmetrical to each other, the rotating speed of the chuck 101 and the moving speed of the tool holder 102 do not need to be adjusted, and only the rotating direction of the servo motor 3 needs to be adjusted through the reverse switch SA;

[0025] (Five), processing the left side inclined groove on the wedge cross rolling die 2: when the tool on the tool holder 102 is located at the starting point of the left side inclined groove, the reverse switch SA makes the servo motor 3 in the forward rotating state, the tool is fed, the start button SB1 of the handheld controller 10 is pressed, the chuck 101 rotates forward with the wedge cross rolling die 2, the tool holder 102 moves to the right with the tool, the tool performs turning on the die sleeve 22 along the track of the left side inclined groove, when the tool runs to the position of the groove 24, the stop button SB3 of the handheld controller 10 is pressed, the tool is retracted, the reset button SB2 of the handheld controller 10 is pressed again, the chuck 101 reverses with the wedge cross rolling die 2, the tool holder 102 moves to the left with the tool, and stops until the tool on the tool holder 102 returns to the starting point of the left side inclined groove, and then the tool is fed, so as to repeatedly operate until the left side inclined groove is processed; after replacing the tool, the tool is repeatedly operated until the forming angle is processed;

[0026] (Six), the right side of the wedge cross wedge rolling die 2 on the department: the tool holder travel switch SQ1 located in the right side of the drag plate box 103 appropriate position, through the reverse switch SA make servo motor 3 in reverse state, in the tool holder 102 of the cutter is located in the right side of the department starting point, feed, press the start button SB1 of handheld controller 10, chuck 101 with wedge cross wedge rolling die 2 forward rotation, tool holder 102 with tool to the left side of the department, the cutter on the die sleeve 22 along the right side of the department groove trajectory turning, when the cutter to the groove 24 position, press the stop button SB3 of handheld controller 10, retreat, press the reset button SB2 of handheld controller 10 again, chuck 101 with wedge cross wedge rolling die 2 reverse, tool holder 102 with tool to the right side of the department, until the tool holder 102 of the cutter returns to the right side of the department starting point stop, feed again, so repeat the operation, until the right side of the department groove machining is completed; after changing the tool, repeat the operation, until the forming angle machining is completed; in this way, the spread angle is also machined.

Claims

1. A wedge cross rolling die inclined slot machining control device for a horizontal lathe, comprising a horizontal lathe (1), wherein the horizontal lathe (1) is provided with a chuck (101), a tool holder (102), a tailstock box (103), a lead screw (104), a light screw (105), a lathe control cabinet, a main shaft motor and a gear box; the main shaft forward rotation contactor (KM1) and the main shaft reverse rotation contactor (KM2) in the lathe control cabinet are respectively connected with the main shaft motor through wires; the lead screw (104) and the light screw (105) are arranged in parallel on the front side wall of the horizontal lathe (1), the lower end of the tailstock box (103) is connected with the lead screw (104) and the light screw (105) for transmission, the tool holder (102) is fixedly arranged on the tailstock box (103), the main shaft motor is connected with the gear box for transmission, the transmission gear of the chuck (101) is connected with the gear box for transmission, and the gear at the left end of the lead screw (104) is completely separated from the gear box; characterized in that: The horizontal lathe (1) is provided with a frequency conversion control box (5) fixed on the lathe control cabinet, and a reverse switch (SA) is fixed on the panel of the frequency conversion control box (5); the right end of the horizontal lathe (1) is provided with a servo motor (3), the right end of the lead screw (104) is provided with a lead screw gear (4), and the driving gear on the rotating shaft of the servo motor (3) is in meshing transmission with the lead screw gear (4); the peripheral wall of the chuck (101) is provided with a wedge-shaped arc plate (8), and a main shaft stroke switch (SQ2) matched with the wedge-shaped arc plate (8) is fixed on the side wall of the horizontal lathe (1) below the chuck (101); the main shaft stroke switch (SQ2) is a normally closed switch; the upper panel of the tailstock box (103) is provided with a left touch piece (6) and a right touch piece (7) respectively fixed at the left end and the right end, and a tool rest stroke switch (SQ1) is arranged on the platform of the horizontal lathe (1); when the tool rest stroke switch (SQ1) is located on the left side of the tool rest (102), the tool rest stroke switch (SQ1) is matched with the left touch piece (6) to work; when the tool rest stroke switch (SQ1) is located on the right side of the tool rest (102), the tool rest stroke switch (SQ1) is matched with the right touch piece (7) to work; the frequency conversion control box (5) is connected with a handheld controller (10) through wires, the handheld controller (10) is provided with a start button (SB1), a reset button (SB2) and a stop button (SB3), and the stop button (SB3) is a normally closed switch; the frequency conversion control box (5) is provided with a frequency converter (9) and a circuit breaker (QF), the R, S and T terminals of the frequency converter (9) are connected with the power supply through the circuit breaker (QF), the U, V and W terminals of the frequency converter (9) are connected with the servo motor (3) through the reverse switch (SA), the X1 and COM terminals of the frequency converter (9) are connected with the start button (SB1), the normally open contact of the main shaft forward rotation contactor (KM1) is connected with the start button (SB1) in parallel, and then the stop button (SB3) is connected with the COM terminal of the frequency converter (9); the X2 and COM terminals of the frequency converter (9) are connected with the tool rest stroke switch (SQ1); the X3 and COM terminals of the frequency converter (9) are connected with the reset button (SB2), the normally open contact of the main shaft reverse rotation contactor (KM2) is connected with the reset button (SB2) in parallel, and then the main shaft stroke switch (SQ2) is connected with the COM terminal of the frequency converter (9); the E terminal of the frequency converter (9) is grounded, and the PP and PB terminals of the frequency converter (9) are connected with a braking resistor (R).

2. The inclined slot machining control device for a cross wedge rolling die for a horizontal lathe according to claim 1, characterized in that: The wedge-shaped arc plate (8) is adsorbed on the peripheral wall of the chuck (101) by a magnet.

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