Special machine tool for drilling railway turnout point rail

Abstract

A special machine tool for drilling a railway turnout point rail is characterized in that a workbench is arranged on a machine base, a tool plate is arranged on the workbench, two pairs of longitudinal guide rails are arranged on the right portion of the rear side of the workbench, a sliding plate is arranged on the guide rails, a lead screw and a motor are arranged below the sliding plate, and a power head is arranged on the sliding plate. A vertical guide rail and a sliding plate are arranged on the left side of the vertical seat; a vertical lead screw and a motor are arranged on the right side of the sliding plate; a drilling power head is arranged on the left side of the sliding plate; a transverse guide rail is arranged on the left portion of the front side of the workbench and provided with a transverse sliding plate, and a transverse lead screw and a motor are arranged below the sliding plate. A vertical seat is arranged on the left side of the upper surface of the sliding plate; a vertical guide rail and a vertical sliding plate are arranged on the right surface of the vertical seat; a vertical lead screw and a motor are arranged on the left surface of the sliding plate; the power head is arranged on the right of the sliding plate. The drilling tool solves the problem of low working efficiency when a common machine tool is used for machining turnout point rail mounting holes, and is suitable for drilling turnout point rails.

Description

Technical Field

[0001] The utility model relates to the field of drilling machine machinery, in particular to a special machine tool for drilling holes on railway turnout rails. Background Art

[0002] The turnout heart rail is an important part of the turnout structure. It needs to process multiple transverse mounting holes on its surface. The traditional method is to use ordinary machine tools to process the workpiece multiple times. Due to the heavy workpiece, loading and unloading is inconvenient, labor-intensive and time-consuming, and the work efficiency is low. Utility Model Content

[0003] The utility model provides a turnout heart rail drilling machine tool with a bidirectional machine head in order to solve the problem of low work efficiency in machining turnout heart rail mounting holes by ordinary machine tools.

[0004] The technical scheme of the utility model is a special machine tool for drilling holes in the center rail of a railway turnout. The special feature is that a horizontal workbench is installed in the middle of the machine base, chip removal openings are left on the front and rear sides of the workbench, two inverted T-shaped horizontal grooves arranged front and back are opened on the workbench, three groups of tooling plates are arranged horizontally on the horizontal grooves, the bottom of the tooling plates are embedded in the horizontal grooves, a workpiece pad is installed on the tooling plate, a front positioning block is installed in front of the workpiece pad, and a jacking cylinder and a pressing cylinder with a cylinder rod in front are installed behind the workpiece pad; a left positioning block is installed on the left side of the workbench, and a right jacking cylinder with a cylinder rod placed on the left is installed on the right side of the workbench;

[0005] On the machine base at the rear right of the workbench, there are two pairs of longitudinal guide rails arranged horizontally, each pair of longitudinal guide rails is equipped with a longitudinal slide, a longitudinal lead screw is installed in the middle below the longitudinal slide, a matching longitudinal motor is installed at the rear end of the longitudinal lead screw, and the longitudinal motor is fixed at the rear of the machine base; a double-axis power head with a drill bit in front is installed on the longitudinal slide, and a matching rotary motor is installed on the right side of the double-axis power head;

[0006] On the machine base at the right front side of the workbench, there are two longitudinal right vertical seat guide rails arranged horizontally, a right vertical seat slide is installed on the right vertical seat guide rail, a longitudinal right vertical seat screw is installed in the middle below the right vertical seat slide, a matching right vertical seat motor is installed at the front end of the right vertical seat screw, and the right vertical seat motor is fixed at the front of the machine base; a right vertical seat is installed on the right side above the right vertical seat slide, two vertical right drilling guide rails are arranged in front and back of the left side of the right vertical seat, a vertical right drilling slide is installed on the left side of the right drilling guide rail, a vertical right drilling screw is installed in the middle of the right side of the right drilling slide, a vertical right drilling motor is installed at the upper end of the right drilling screw, and the right drilling motor is fixed on the upper side of the right vertical seat; a right drilling power head with a drill bit rearward is installed below the left side of the right drilling slide, and a matching right rotary motor is installed on the right drilling power head;

[0007] On the machine base on the left front side of the workbench, there are two transverse guide rails arranged front and back, on which a transverse slide is installed, a transverse lead screw is installed in the middle below the transverse slide, a matching transverse motor is installed at the left end of the transverse lead screw, and the transverse motor is fixed on the right side of the machine base; above the transverse slide are two longitudinal left vertical seat guide rails arranged horizontally, a left vertical seat slide is installed on the left vertical seat guide rail, a longitudinal left vertical seat lead screw is installed in the middle below the left vertical seat slide, a longitudinal left vertical seat motor is installed at the front end of the left vertical seat lead screw, and the left vertical seat motor is fixed fixed in front of the horizontal slide; a left stand is installed on the left side of the left stand slide, two vertical left drilling guide rails are arranged in front and back of the right side of the left stand, a vertical left drilling slide is installed on the right side of the left drilling guide rail, a vertical left drilling screw is installed in the middle of the left side of the left drilling slide, a vertical left drilling motor is installed on the upper end of the left drilling screw, and the left drilling motor is fixed on the upper side of the left stand; a left drilling power head with a drill bit rearward is installed on the right side of the left drilling slide, and a matching left rotating motor is installed on the left drilling power head.

[0008] When working, place the workpiece horizontally on the workpiece pads above the three sets of tooling plates, start the tightening cylinder, push the workpiece forward so that it leans against the back of the front positioning block, and release the tightening cylinder; start the right tightening cylinder to push the workpiece to the left so that the left end of the workpiece leans against the right side of the left positioning block, and then start the tightening cylinder and the downward pressure cylinder to tighten the workpiece and lock it.

[0009] Start the longitudinal motor, right seat motor and transverse motor at the same time.

[0010] The longitudinal motor cooperates with the longitudinal lead screw and the longitudinal guide rail to push the longitudinal slide plate and the dual-axis power head forward to the drilling position, and starts the rotating motor to drive the dual-axis power head to position and drill the workpiece from the back.

[0011] The right seat motor cooperates with the right seat screw and the right seat guide rail to push the right seat slide, the right seat, the right drilling guide rail, the right drilling slide, the right drilling screw, the right drilling motor, the right drilling power head and the right rotary motor to move backward to the drilling position; the vertical right drilling motor is started to push the right drilling slide, the right drilling power head and the right rotary motor up and down through the right drilling screw and the right drilling guide rail to adjust the height of the drilling position of the workpiece, and the right rotary motor on the right drilling power head is started to position the workpiece from the front.

[0012] The transverse motor cooperates with the transverse guide rail and the transverse screw to push the transverse slide plate, the left stand screw, the left stand guide rail, the left stand motor, the left stand slide plate, the left stand, the left drilling guide rail, the left drilling slide plate, the left drilling screw, the left drilling motor, the left drilling power head, and the left rotary motor to move right to the transverse position of drilling; the longitudinal left stand motor is started to push the left stand slide plate, the left stand, the left drilling guide rail, the left drilling slide plate, the left drilling screw, the left drilling motor, the left drilling power head, and the left rotary motor to move backward to the drilling position through the left stand screw and the left stand guide rail; the vertical left drilling motor is started to push the left drilling slide plate, the left drilling power head, and the left rotary motor to move up and down through the left drilling screw and the left drilling guide rail to adjust the height position of drilling the workpiece, and the left rotary motor on the left drilling power head is started to drive the left drilling power head to drill the workpiece. After the first hole is drilled, the horizontal motor is started, and through the cooperation of the horizontal guide rail and the horizontal lead screw, the horizontal slide, the left stand lead screw, the left stand guide rail, the left stand motor, the left stand slide, the left stand, the left drilling guide rail, the left drilling slide, the left hole drilling lead screw, the left drilling motor, the left drilling power head, and the left rotary motor are pushed to the right to move to the next drilling position, and so on to complete the workpiece processing. The iron chips generated by drilling are removed by the chip removal port.

[0013] The technical effect of the utility model is that the above technical solution can realize a railway turnout center rail drilling machine with extremely high work efficiency. Since the workpiece is clamped and fixed at one time, four sets of machine heads drill holes at the same time, which saves labor and time and greatly improves work efficiency. The utility model is characterized by the center distance of the workpiece mounting hole. Three sets of positioning machine heads are designed to drill holes from the front and back of the workpiece, and one set of machine heads moves horizontally to select the position for drilling, which maximizes the requirements of both high efficiency and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural front view of the utility model.

[0015] In the figure, 1 machine base, 2 workbench, 3 left positioning block, 4 tooling plate, 5 down-pressing oil cylinder, 6 front positioning block, 7 top oil cylinder, 8 workpiece pad, 9 chip removal port, 10 double-axis power head, 11 longitudinal guide rail, 12 longitudinal slide, 13 longitudinal screw, 14 longitudinal motor, 15 rotary motor, 16 right top oil cylinder, 17 right drilling power head, 18 right stand, 19 right drilling guide rail, 20 right drilling screw, 21 right drilling motor, 22 right drilling slide Plate, 23 right rotating motor, 24 right stand screw, 25 right stand motor, 26 right stand slide, 27 right stand guide rail, 28 left drilling power head, 29 left drilling slide, 30 left rotating motor, 31 left drilling motor, 32 left drilling guide, 33 left stand, 34 left stand motor, 35 left stand screw, 36 left stand guide rail, 37 left stand slide, 38 transverse slide, 39 transverse screw, 40 transverse guide rail, 41 transverse motor, 42 transverse groove. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] As shown in the figure, a horizontal workbench 2 is installed in the middle of the machine base 1, and chip removal openings 9 are left on the front and rear sides of the workbench 2. Two inverted T-shaped horizontal grooves 42 arranged front and back are opened on the workbench 2, and three groups of tooling plates 4 are arranged horizontally on the horizontal grooves 42. The bottom of the tooling plates 4 are embedded in the horizontal grooves 42. A workpiece pad 8 is installed on the tooling plate 4, and a front positioning block 6 is installed in front of the workpiece pad 8. A tightening cylinder 7 and a downward pressure cylinder 5 with a cylinder rod in front are installed behind the workpiece pad 8; a left positioning block 3 is installed on the left side of the workbench 2, and a right tightening cylinder 16 with a cylinder rod placed on the left is installed on the right side of the workbench 2.

[0018] On the machine base 1 at the rear right side of the workbench 2, two pairs of longitudinal guide rails 11 are arranged horizontally, and each pair of longitudinal guide rails 11 is equipped with a longitudinal slide 12, and a longitudinal lead screw 13 is installed in the middle below the longitudinal slide 12, and a matching longitudinal motor 14 is installed at the rear end of the longitudinal lead screw 13, and the longitudinal motor 14 is fixed to the rear side of the machine base 1; a double-axis power head 10 with a drill bit in front is installed on the longitudinal slide 12, and a matching rotating motor 15 is installed on the right side of the double-axis power head 10;

[0019] On the machine base 1 at the right front side of the workbench 2, there are two longitudinal right stand guide rails 27 arranged horizontally, a right stand slide 26 is mounted on the right stand guide rail 27, a longitudinal right stand screw 24 is mounted in the middle below the right stand slide 26, a matching right stand motor 25 is mounted at the front end of the right stand screw 24, and the right stand motor 25 is fixed at the front of the machine base 1; a right stand 18 is mounted on the right side above the right stand slide 26, and two vertical stands are arranged in front and back on the left side of the right stand 18 A right drilling guide rail 19 is provided on the left side of the right drilling guide rail 19, a vertical right drilling slide plate 22 is provided on the middle of the right side of the right drilling slide plate 22, a vertical right drilling lead screw 20 is provided on the upper end of the right drilling lead screw 20, and the right drilling motor 21 is fixed on the upper side of the right stand 18; a right drilling power head 17 with a drill bit rearwardly arranged is provided below the left side of the right drilling slide plate 22, and a matching right rotating motor 23 is provided on the upper side of the right drilling power head 17;

[0020] On the machine base 1 at the left front side of the workbench 2, two transverse guide rails 40 are arranged front and back, a transverse slide 38 is installed on the transverse guide rail 40, a transverse lead screw 39 is installed in the middle below the transverse slide 38, a matching transverse motor 41 is installed at the left end of the transverse lead screw 39, and the transverse motor 41 is fixed to the right side of the machine base 1; two longitudinal left stand guide rails 36 are arranged horizontally on the transverse slide 38, a left stand slide 37 is installed on the left stand guide rail 36, a longitudinal left stand lead screw 35 is installed in the middle below the left stand slide 37, a longitudinal left stand motor 34 is installed at the front end of the left stand lead screw 35, and the left stand motor 34 is installed at the front end of the left stand motor The machine 34 is fixed in front of the horizontal slide 38; the left stand 33 is installed on the left side of the left stand slide 37, and two vertical left drilling guide rails 32 are arranged in front and back on the right side of the left stand 33, and the vertical left drilling slide 29 is installed on the right side of the left drilling guide rail 32, and the vertical left drilling screw is installed in the middle of the left side of the left drilling slide 29, and the upper end of the left drilling screw is equipped with a vertical left drilling motor 31, which is fixed on the upper side of the left stand 33; the left drilling power head 28 with the drill bit rearward is installed on the right side of the left drilling slide 29, and the left drilling power head 28 is equipped with a matching left rotating motor 30.

[0021] During operation, the workpiece is placed horizontally on the workpiece pad 8 above the three sets of tooling plates 3, the tightening cylinder 7 is started, and the workpiece is pushed forward so that it is close to the back of the front positioning block 6, and the tightening cylinder 7 is released; the right tightening cylinder 16 is started to push the workpiece to the left, so that the left end of the workpiece is close to the right side of the left positioning block 3, and then the tightening cylinder 7 and the pressing cylinder 5 are started to tighten the workpiece and lock it.

[0022] The longitudinal motor 14, the right stand motor 25 and the transverse motor 41 are started simultaneously.

[0023] The longitudinal motor 14 cooperates with the longitudinal lead screw 13 and the longitudinal guide rail 11 to push the longitudinal slide 12 and the dual-axis power head 10 forward to the drilling position, and starts the rotary motor 15 to drive the dual-axis power head 10 to position and drill the workpiece from the back.

[0024] The right stand motor 25 cooperates with the right stand screw 24 and the right stand guide rail 27 to push the right stand slide 26, the right stand 18, the right drilling guide rail 19, the right drilling slide 22, the right drilling screw 20, the right drilling motor 21, the right drilling power head 17, and the right rotating motor 23 to move backward to the drilling position; the vertical right drilling motor 21 is started, and the right drilling slide 22, the right drilling power head 17, and the right rotating motor 23 are pushed up and down through the right drilling screw 20 and the right drilling guide rail 19 to adjust the height of the drilling hole on the workpiece, and the right rotating motor 23 on the right drilling power head 17 is started to position the workpiece from the front.

[0025] The horizontal motor 41 cooperates with the horizontal guide rail 40 and the horizontal screw 39 to push the horizontal slide 38, the left stand screw 35, the left stand guide rail 36, the left stand motor 34, the left stand slide 37, the left stand 33, the left drilling guide rail 32, the left drilling slide 29, the left drilling screw, the left drilling motor 31, the left drilling power head 28, and the left rotary motor 30 to move right to the horizontal position of the drilling; the longitudinal left stand motor 34 is started, and the left stand slide 37 is pushed by the left stand screw 35 and the left stand guide rail 36. , the left stand 33, the left drilling guide rail 32, the left drilling slide plate 29, the left drilling screw, the left drilling motor 31, the left drilling power head 28, and the left rotary motor 30 move backward to the drilling position; start the vertical left drilling motor 31, and through the cooperation of the left drilling screw and the left drilling guide rail 32, push the left drilling slide plate 29, the left drilling power head 28, and the left rotary motor 30 to move up and down, adjust the height of the drilling position of the workpiece, start the left rotary motor 30 on the left drilling power head, and drive the left drilling power head to drill the workpiece. After the first hole is drilled, the transverse motor 41 is started, and through the cooperation of the transverse guide rail 40 and the transverse lead screw 39, the transverse slide plate 38, the left stand lead screw 35, the left stand guide rail 36, the left stand motor 34, the left stand slide plate 37, the left stand 33, the left drilling guide rail 32, the left drilling slide plate 29, the left hole drilling lead screw, the left drilling motor 37, the left drilling power head 28, and the left rotary motor 30 are pushed to the right to move to the next drilling position, and the workpiece processing is completed by analogy. The iron chips generated by drilling are removed by the chip discharge port 9.

Claims

1. A special machine tool for drilling railway turnout rails, characterized by: A horizontal workbench is installed in the middle of the machine base, with chip removal openings on the front and rear sides of the workbench. Two inverted T-shaped horizontal grooves arranged front and back are opened on the workbench, and three groups of tooling plates are arranged horizontally on the horizontal grooves. The bottom of the tooling plates are embedded in the horizontal grooves, and workpiece pads are installed on the tooling plates. Front positioning blocks are installed in front of the workpiece pads, and tightening cylinders and downward pressure cylinders with cylinder rods in front are installed behind the workpiece pads; a left positioning block is installed on the left side of the workbench, and a right tightening cylinder with cylinder rods on the left is installed on the right side of the workbench; on the machine base on the right rear side of the workbench, two pairs of longitudinal guide rails are arranged horizontally, and each pair of longitudinal guide rails is equipped with a longitudinal slide, and a longitudinal The longitudinal lead screw is provided at the rear end with a matching longitudinal motor, which is fixed at the rear of the machine base; a double-axis power head with a drill bit in front is provided on the longitudinal slide, and a matching rotary motor is provided on the right side of the double-axis power head; two longitudinal right vertical seat guide rails are arranged horizontally on the machine base on the right front side of the workbench, a right vertical seat slide is provided on the right vertical seat guide rail, a longitudinal right vertical seat lead screw is provided in the middle below the right vertical seat slide, a matching right vertical seat motor is provided at the front end of the right vertical seat lead screw, and the right vertical seat motor is fixed at the front of the machine base; a right vertical seat is provided on the right side of the right vertical seat slide, two vertical right drilling guide rails are arranged in front and back on the left side of the right vertical seat, and a vertical A right drilling skateboard is provided, a vertical right drilling screw is installed in the middle of the right side of the right drilling skateboard, a vertical right drilling motor is installed on the upper end of the right drilling screw, and the right drilling motor is fixed on the upper side of the right stand; a right drilling power head with a drill bit rearward is installed below the left side of the right drilling skateboard, and a matching right rotary motor is installed above the right drilling power head; on the machine base on the left front side of the workbench, two transverse guide rails are arranged front and back, a transverse skateboard is installed on the transverse guide rails, a transverse screw is installed in the middle below the transverse skateboard, a matching transverse motor is installed on the left end of the transverse screw, and the transverse motor is fixed on the right side of the machine base; two longitudinal left stand guide rails are arranged horizontally on the transverse skateboard, and a right drilling motor is installed on the left stand guide rail There is a left stand slide, a longitudinal left stand screw is installed in the middle of the left stand slide, a longitudinal left stand motor is installed at the front end of the left stand screw, and the left stand motor is fixed in front of the transverse slide; a left stand is installed on the left side of the left stand slide, two vertical left drilling guide rails are arranged in front and back on the right side of the left stand, a vertical left drilling slide is installed on the right side of the left drilling guide rail, a vertical left drilling screw is installed in the middle of the left side of the left drilling slide, a vertical left drilling motor is installed on the upper end of the left drilling screw, and the left drilling motor is fixed on the upper side of the left stand; a left drilling power head with a drill bit rearward is installed on the right side of the left drilling slide, and a matching left rotating motor is installed on the left drilling power head.

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