CN114951350A - A lathe guide rail automatic correction and repair device and its repair method - Google Patents

Abstract

The invention discloses an automatic correction and repair device and a repair method for a lathe guide rail, and relates to the technical field of lathe guide rail repair. The device can automatically detect the repair position and then complete the subsequent straightening step, and has the advantages of simple structure, convenient operation and corresponding automation process.

Description

A lathe guide rail automatic correction and repair device and its repair method

technical field

The invention relates to the technical field of lathe guide rail repair, in particular to an automatic correction and repair device for a lathe guide rail and a repair method thereof.

Background technique

CNC lathe is one of the most widely used CNC machine tools at present. It is mainly used for cutting inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of arbitrary taper angles, complex rotating inner and outer surfaces, and cylindrical and conical threads. And can perform grooving, drilling, reaming, reaming and boring, etc., and the detection device is a tool used to detect and verify the straightness of the guide rail of the CNC lathe.

The existing linear detection device has certain disadvantages in use. It does not adopt the ray detection method, and the operation is not convenient, fast and intuitive, and has relatively cumbersome operation steps. The convenience is not good enough, and further improvement is required. It may cause misjudgment by the detection device, which has a certain impact in actual use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automatic correction and repair device for a guide rail of a lathe and a repair method thereof, so as to solve the problems raised in the above-mentioned background art.

To achieve the above object, the present invention provides the following technical solutions:

An automatic correction and repair device for a guide rail of a lathe, comprising a guide rail to be corrected and a base for supporting when the guide rail to be corrected is corrected and repaired, characterized in that the two sides of the upper surface of the base are the feeding side and the discharging side respectively. The upper surface of the base is provided with a detection mechanism for detecting the bending position of the guide rail to be corrected, and the upper surface of the base is close to the The position of the discharge side is provided with a repair mechanism. The detection mechanism is provided with two groups and arranged symmetrically with the center line of the base. Each group of the detection mechanism includes a C-shaped mounting plate fixedly connected to the upper surface of the base. The mounting plate A rotatable trigger roller is arranged near the center line of the upper surface of the base. The trigger roller is used for rolling connection with the corresponding side surface of the guide rail to be calibrated. The two sliding blocks are slidably connected in the square through grooves opened on the upper and lower surfaces of the mounting plate. One end of the sliding block facing away from the corresponding trigger roller is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected with a resistance piece, so The contact piece is in contact with the sensing surface of the pressure sensor, the pressure sensor is fixedly installed on the side of the square through groove away from the trigger roller, and the control panel is fixedly installed on one side of the upper surface of the base. Sexual connection, the control panel is used to display the pressure value output by the pressure sensor.

As a further solution of the present invention: the repairing mechanism includes a top plate with a water skin disposed above the base, and both sides of the lower surface of the top plate are fixedly connected to the upper surface of the base through support plates, and the opposite and back sides of the two support plates are fixedly installed There is a symmetrical hydraulic cylinder, the output end of the hydraulic cylinder is connected with a clamping plate through the corresponding support plate, and the clamping plate is slidably connected to the upper surface of the base.

As a further solution of the present invention: a bridge plate is also fixedly connected between the upper surfaces of the two installation plates, a cylinder is fixedly installed in the middle of the top surface of the bridge plate, and the output end of the cylinder vertically penetrates to the bottom of the bridge plate A lifting plate is fixedly connected, and a printing plate is fixedly connected to the lower surface of the lifting plate, and the lower surface of the printing plate is painted with pigment.

As a further solution of the present invention: both ends of the upper surface of the base are provided with a plurality of conveying rollers, the conveying rollers are rotatably connected to the upper surface of the base, and the plurality of conveying rollers on the same side of the upper surface of the base are in the center line of the base Symmetrical, forming a channel for the guide rail to be corrected to pass through.

As a further solution of the present invention, the middle parts of the two side surfaces of the slider are raised to form strip-shaped sliding protrusions, and the sliding protrusions are slidably connected to the side sliding grooves corresponding to the side surfaces of the square through grooves.

As a further solution of the present invention: the scraper mechanism includes a positioning block fixedly connected to both sides of the upper surface of one end of the base, the upper part of the positioning block is slidably connected with a moving column, and one end of the moving column is fixedly connected with a scraper, the moving column The other end runs through the positioning block and is fixedly connected with a follower block, the lower part of the follower block is fixedly connected with a hinge block, the hinge block is rotatably connected to the waist-shaped hole opened on the upper part of the lower pressure block, and the lower part of the lower pressure block is integrally formed as The inclined surface is in contact with the top shaft, and the middle part of the lower pressing block is rotatably connected to the rotating block through the pivot pin, the rotating block is fixedly connected to the positioning block, the top shaft is fixedly connected to one end of the moving block, and the moving block is slidably connected In the hole groove at the bottom of the positioning block, and the other end of the moving block is fixedly connected with a positioning shaft, a compression spring is sleeved on the positioning shaft, and one end of the compression spring is in contact with one end of the moving block, and the other end of the compression spring is in contact with the stopper. On the plate, the blocking plate is fixedly connected to the end of the mounting bolt, and the mounting bolt is threadedly connected to the threaded hole opened in the positioning block.

As a further solution of the present invention, a side surface of the lower pressing block facing away from the positioning block is fixedly connected with a pull rod.

As a further solution of the present invention, the scraper is used for sliding contact with the corresponding side surface of the guide rail to be corrected, and both sides of the scraper are integrally formed with blade surfaces.

An automatic correction and repair device for a guide rail of a lathe, comprising the following steps:

Step 1: Remove the guide rail to be corrected from the lathe, then place the guide rail to be corrected between the two scraper mechanisms, and pull the pull rod to keep it in a horizontal state, so that the scraper slides in contact with the side of the guide rail to be corrected;

Step 2: Push the guide rail to be calibrated to be conveyed between the conveying rollers. The trigger roller and the guide rail to be calibrated maintain normal rolling contact. Since the state of the trigger roller is stable, the corresponding slider is kept in a stable state, so that the pressure sensor is fed back to the control panel. The pressure data value on the sensor is a constant value. The constant value here refers to a constant pressure value generated by the contact piece acting on the pressure sensor with the help of the spring, so that the guide rail to be corrected is in a linear state; when the constant pressure value suddenly increases, It is obtained that the correction guide rail of this section is bent, so as to determine the repair position;

Step 3: Continue to push the guide rail to be corrected to move towards the discharge side until the marked repair position is in the middle of the two plywoods, start the hydraulic cylinder to push the plywood on both sides synchronously, and directly exert an impulse from both sides of the guide rail to be corrected, Thereby, the curved section can be straightened.

Compared with the prior art, the beneficial effects of the present invention are:

In the present invention, when the guide rail to be corrected is pushed in a straight line, the trigger roller and the guide rail to be corrected maintain normal rolling contact. Since the state of the trigger roller is stable, the corresponding slider is kept in a stable state, so that the pressure sensor is fed back to the control panel. The pressure data value is a constant value. The constant value here refers to a constant pressure value generated by the contact piece acting on the pressure sensor by means of a spring, so that it can be concluded that the guide rail to be corrected is in a linear state; when the guide rail to be corrected is in a linear state When a certain segment is slightly bent, one side of the guide rail to be corrected has a very small deviation, so that the trigger roller on the corresponding side is subjected to a certain driving force. At this time, the trigger roller is pressed and moves slightly through the slider. And the force is transmitted to the pressure sensor through the spring and the resistance piece. At this time, the constant pressure value suddenly increases, and it is obtained that the correction guide rail is bent, so as to determine the repair position. The present invention can automatically detect the repair position, and then complete the follow-up The straightening step of the whole device is simple in structure, convenient in operation, and has a corresponding automatic process.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of detection mechanism in the present invention;

3 is a schematic structural diagram of a repair mechanism in the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 .

5 is a schematic diagram of the first state structure of the scraper mechanism in the present invention;

FIG. 6 is a schematic structural diagram of the second state of the scraper mechanism in the present invention.

In the figure: 1. Guide rail to be calibrated; 2. Base; 3. Positioning block; 4. Conveying roller; 5. Control panel; 6. Control panel; 7. Mounting plate; 8. Mounting bolt; 9. Top plate; 10. Cylinder ;11, lift plate; 12, bridge plate; 13, printing plate; 14, rotating shaft; 15, slider; 16, spring; 17, contact piece; 18, square channel; 19, pressure sensor; slot; 21, support plate; 22, splint; 23, hydraulic cylinder; 24, moving column; 25, scraper; 26, follower block; 27, waist hole; 28, hinge block; 29, pull rod; 30, lower 31, rotating block; 32, top shaft; 33, moving block; 34, positioning shaft; 35, compression spring; 36, blocking plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIGS. 1 to 4 , in an embodiment of the present invention, an automatic correction and repair device for a guide rail of a lathe includes a guide rail 1 to be corrected and a base 2 for supporting when the guide rail 1 to be corrected is corrected and repaired. The base 2 The two sides of the upper surface of the base 2 are the feeding side and the discharging side respectively, and the feeding side is provided with a scraper mechanism for scraping off the adhering impurities on the side of the guide rail 1 to be corrected. The detection mechanism for the bending position of the guide rail 1 to be corrected, the upper surface of the base 2 is provided with a repair mechanism at the position close to the discharge side, the detection mechanism is provided with two groups and is symmetrically arranged with the center line of the base 2, each group of the detection mechanism It includes a C-shaped mounting plate 7 that is fixedly connected to the upper surface of the base 2. The mounting plate 7 is provided with a rotatable trigger roller 6 at a position close to the centerline of the upper surface of the base 2, and the trigger roller 6 is used for the guide rail to be corrected. The corresponding sides of 1 are rollingly connected, and the two end surfaces of the trigger roller 6 are connected to the surfaces of the corresponding sliders 15 through the rotating shaft 14. , one end of the slider 15 facing away from the corresponding trigger roller 6 is fixedly connected to one end of the spring 16 , and the other end of the spring 16 is fixedly connected with a resisting piece 17 , and the resisting piece 17 is in contact with the sensing surface of the pressure sensor 19 , so The pressure sensor 19 is fixedly installed on the side of the square through slot 18 away from the trigger roller 6, and the control panel 5 is fixedly installed on one side of the upper surface of the base 2. The microcontroller built in the control panel 5 is electrically connected to the pressure sensor 19, and the control panel 5 is used to display the pressure value output by the pressure sensor 19. When the guide rail 1 to be calibrated is pushed in a straight line, the trigger roller 6 maintains normal rolling contact with the guide rail 1 to be calibrated. Since the state of the trigger roller 6 is stable, the corresponding The slider 15 is kept in a stable state, so that the pressure data value fed back by the pressure sensor 19 to the control panel 5 is a constant value. , it can be concluded that the guide rail 1 to be corrected is in a linear state; when a certain section of the guide rail 1 to be corrected is slightly bent, one of the side surfaces of the guide rail 1 to be corrected has a very small deviation, so that the corresponding The trigger roller 6 on the side is subjected to a certain pushing force. At this time, the trigger roller 6 is pressed and undergoes a slight displacement through the slider 15, and the force is transmitted to the pressure sensor 19 through the spring 16 and the resistance piece 17. At this time, the constant pressure value suddenly Increase, it is found that the correction guide rail 1 is bent, so as to determine the repair position. The present invention can automatically detect the repair position, and then complete the subsequent straightening steps. automated process.

Further, the repair mechanism includes a top plate 9 with a water skin disposed above the base 2, the lower surface of the top plate 9 is fixedly connected to the upper surface of the base 2 through the support plates 21 on both sides, and the opposite sides of the two support plates 21 are fixed. A symmetrical hydraulic cylinder 23 is installed, and the output end of the hydraulic cylinder 23 is connected to a splint 22 through the corresponding support plate 21. The splint 22 is slidably connected to the upper surface of the base 2. When the marked repair position is at the two splints 22 When in the middle, the hydraulic cylinder 23 is activated to push the splints 22 on both sides synchronously, and directly exert an impulse force from the two sides of the guide rail 1 to be corrected, so that the curved section can be straightened.

Further, a bridge plate 12 is also fixedly connected between the upper surfaces of the two mounting plates 7 , a cylinder 10 is fixedly installed in the middle of the top surface of the bridge plate 12 , and the output end of the cylinder 10 is vertically penetrated to the bridge plate 12 A lifting plate 11 is fixedly connected below, and a printing plate 13 is fixedly connected to the lower surface of the lifting plate 11. The lower surface of the printing plate 13 is painted with paint, so that the upper surface of the guide rail 1 to be corrected at the repair position can be fixed. Imprinted markings to facilitate the operation of repair steps.

Further, both ends of the upper surface of the base 2 are provided with a plurality of conveying rollers 4, the conveying rollers 4 are rotatably connected to the upper surface of the base 2, and a plurality of conveying rollers 4 on the same side of the upper surface of the base 2 are connected to the base 2 The center line is symmetrical, forming a passage for the guide rail 1 to be corrected to pass through, so that the guide rail 1 to be corrected can be sent to the detection mechanism and the correction and repair mechanism under the human power.

Further, the middle of the two sides of the slider 15 is raised to form a strip-shaped sliding protrusion, and the sliding protrusion is slidably connected to the side sliding grooves 20 opened on the side surfaces of the corresponding square through grooves 18, so that the sliding block 15 is in the square through groove 18. Slip in slot 18.

Further, the scraper mechanism includes a positioning block 3 fixedly connected to both sides of the upper surface of one end of the base 2, the upper part of the positioning block 3 is slidably connected with a moving column 24, and one end of the moving column 24 is fixedly connected with a scraper 25. The other end of the column 24 penetrates the positioning block 3 and is fixedly connected with a follower block 26, the lower part of the follower block 26 is fixedly connected with a hinge block 28, and the hinge block 28 is rotatably connected to the waist-shaped hole 27 opened on the upper part of the lower pressing block 30, The lower part of the lower pressing block 30 is integrally formed into an inclined surface and abuts against the top shaft 32, and the middle part of the lower pressing block 30 is rotatably connected to the rotating block 31 through the shaft pin, and the rotating block 31 is fixedly connected to the positioning block 3, and the top The shaft 32 is fixedly connected to one end of the moving block 33, the moving block 33 is slidably connected to the hole groove of the lower part of the positioning block 3, and the other end of the moving block 33 is fixedly connected with a positioning shaft 34, and the positioning shaft 34 is sleeved with a pressure plate. One end of the compression spring 35 is in contact with one end of the moving block 33, the other end of the compression spring 35 is in contact with the blocking piece 36, and the blocking piece 36 is fixedly connected to the end of the mounting bolt 8, and the mounting bolt 8 is threadedly connected to in the threaded hole of the positioning block 3.

Further, a side surface of the lower pressing block 30 facing away from the positioning block 3 is fixedly connected with a pull rod 29 .

Further, the scraper 25 is used for sliding contact with the corresponding side surface of the guide rail 1 to be corrected, and both sides of the scraper 25 are integrally formed with blade surfaces, so that the impurities adhering to the two sides of the guide rail 1 to be corrected can be removed in advance, Avoid the situation where the thickness generated by impurities affects the constant pressure value of the pressure sensor 1 and causes misjudgment.

A repair method for an automatic correction and repair device for a guide rail of a lathe, comprising the following steps:

Step 1: Remove the guide rail 1 to be corrected from the lathe, then place the guide rail 1 to be corrected between the two scraper mechanisms, and pull the pull rod 29 to keep it in a horizontal state, so that the scraper 25 slides in contact with the corresponding scraper mechanism. the side of the guide rail 1;

Step 2: Push the guide rail 1 to be calibrated to be conveyed between the conveying rollers 4, and the trigger roller 6 maintains normal rolling contact with the guide rail 1 to be calibrated. Since the state of the trigger roller 6 is stable, the corresponding slider 15 is kept in a stable state, thereby The pressure data value fed back by the pressure sensor 19 to the control panel 5 is a constant value, and the constant value here refers to a constant pressure value generated by the contact piece 17 acting on the pressure sensor 19 by means of the spring 16. The guide rail 1 to be corrected in this section is obtained. Linear state; when the constant pressure value suddenly increases, it is obtained that the correction guide rail 1 in this section is bent, so as to determine the repair position;

Step 3: Continue to push the guide rail 1 to be corrected to move towards the discharge side until the marked repair position is in the middle of the two clamping plates 22, start the hydraulic cylinder 23 to push the clamping plates 22 on both sides synchronously, and directly from both sides to be calibrated The guide rail 1 exerts an impulsive force, thereby straightening the curved section.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. The automatic lathe guide rail correcting and repairing device comprises a guide rail (1) to be corrected and a base (2) used for supporting when the guide rail (1) to be corrected is corrected and repaired, and is characterized in that the two sides of the upper surface of the base (2) are respectively a feeding side and a discharging side, a scraping mechanism used for scraping impurities adhered to the side surface of the guide rail (1) to be corrected is arranged at the feeding side, a detection mechanism used for detecting the bending position of the guide rail (1) to be corrected is arranged in the middle of the upper surface of the base (2), a repairing mechanism is arranged at the position, close to the discharging side, of the upper surface of the base (2), two groups of detection mechanisms are symmetrically arranged along the central line of the base (2), each group of detection mechanisms comprises a C-shaped mounting plate (7) fixedly connected with the upper surface of the base (2), and a rotatable trigger roller (6) is arranged at the position, close to the central line of the upper surface of the base (2), of the mounting plate (7), the utility model discloses a correcting device, including trigger roller (6), slider (15), pressure sensor (19), rotation axis (14), two slider (15) sliding connection are in the square logical groove (18) that the surface was seted up about mounting panel (7), the slider (15) correspond one end of the fixed connection spring (16) of one end of trigger roller (6) dorsad, and the other end fixed connection of spring (16) supports contact piece (17), support contact piece (17) and contradict in pressure sensor's (19) induction surface, pressure sensor (19) fixed mounting keeps away from a side of trigger roller (6) in square logical groove (18), base (2) upper surface one side fixed mounting has control panel (5), control panel (5) built-in singlechip and pressure sensor (19) electric connection, the control panel (5) is used for displaying the pressure value output by the pressure sensor (19).

2. The lathe guide rail automatic correction and repair device as claimed in claim 1, wherein the repair mechanism comprises a top plate (9) with a water sheet arranged above the base (2), two sides of the lower surface of the top plate (9) are fixedly connected to the upper surface of the base (2) through support plates (21), symmetrical hydraulic cylinders (23) are fixedly mounted on the opposite surfaces of the two support plates (21), the output ends of the hydraulic cylinders (23) penetrate through the corresponding support plates (21) to be connected with clamping plates (22), and the clamping plates (22) are slidably connected to the upper surface of the base (2).

3. The automatic correction and repair device for the lathe guide rail as claimed in claim 1, wherein a bridge plate (12) is fixedly connected between the upper surfaces of the two mounting plates (7), a cylinder (10) is fixedly mounted in the middle of the top surface of the bridge plate (12), the output end of the cylinder (10) vertically penetrates below the bridge plate (12) and is fixedly connected with a lifting plate (11), a marking plate (13) is fixedly connected to the lower surface of the lifting plate (11), and the lower surface of the marking plate (13) is painted with pigment.

4. The automatic lathe guide rail correcting and repairing device according to claim 1, wherein a plurality of conveying rollers (4) are arranged at two ends of the upper surface of the base (2), the conveying rollers (4) are rotatably connected to the upper surface of the base (2), and the conveying rollers (4) on the same side of the upper surface of the base (2) are symmetrical with the center line of the base (2) to form a channel for the guide rail (1) to be corrected to penetrate through.

5. The automatic correcting and repairing device for the lathe guide rail as claimed in claim 1, wherein the middle parts of the two side surfaces of the slide block (15) are bulged to form strip-shaped sliding convex parts which are slidably connected in side sliding grooves (20) formed in the side surfaces of the corresponding square through grooves (18).

6. The automatic lathe guide rail correcting and repairing device according to claim 1, wherein the spatula mechanism comprises positioning blocks (3) fixedly connected to two sides of the upper surface of one end of the base (2), a moving column (24) is slidably connected to the upper portion of the positioning blocks (3), a scraper (25) is fixedly connected to one end of the moving column (24), the other end of the moving column (24) penetrates through the positioning blocks (3) and is fixedly connected with a follower block (26), a hinge block (28) is fixedly connected to the lower portion of the follower block (26), the hinge block (28) is rotatably connected to a waist-shaped hole (27) formed in the upper portion of a lower pressing block (30), the lower portion of the lower pressing block (30) is integrally formed into an inclined plane portion and abuts against a top shaft (32), the middle portion of the lower pressing block (30) is rotatably connected to a rotating block (31) through a shaft pin, the rotating block (31) is fixedly connected to the positioning blocks (3), top shaft (32) fixed connection is in the one end of movable block (33), movable block (33) sliding connection is in the hole groove of locating piece (3) lower part, and the other end fixedly connected with location axle (34) of movable block (33), and the cover is equipped with pressure spring (35) on location axle (34), and the one end of pressure spring (35) is contradicted in movable block (33) one end, the other end of pressure spring (35) is contradicted on separation blade (36), and separation blade (36) fixed connection is at construction bolt (8) tip, construction bolt (8) threaded connection is in the screw hole that locating piece (3) were seted up.

7. The automatic lathe guide rail correcting and repairing device is characterized in that a pull rod (29) is fixedly connected to one side surface of the lower pressing block (30) opposite to the positioning block (3).

8. The automatic lathe guide rail correcting and repairing device is characterized in that the scraping blade (25) is used for being in sliding contact with the corresponding side surface of the guide rail (1) to be corrected, and the two sides of the scraping blade (25) are integrally formed with the blade surfaces.

9. The automatic calibration and repair device for the lathe guide rail according to any one of claims 1 to 8, comprising the following steps:

the method comprises the following steps: the guide rail (1) to be corrected is detached from the lathe, then the guide rail (1) to be corrected is placed between the two scraper mechanisms, and the pull rod (29) is pulled to be kept in a horizontal state, so that the scraper (25) is in sliding contact with the side face corresponding to the guide rail (1) to be corrected;

step two: the guide rail (1) to be corrected is pushed to be conveyed between the conveying rollers (4), the trigger roller (6) is in normal rolling contact with the guide rail (1) to be corrected, and the corresponding sliding block (15) is kept in a stable state due to the stable state of the trigger roller (6), so that the pressure data value fed back to the control panel (5) by the pressure sensor (19) is a constant value, wherein the constant value refers to a constant pressure value generated by the contact piece (17) acting on the pressure sensor (19) through the spring (16) to obtain that the section of the guide rail (1) to be corrected is in a linear state; when the constant pressure value is suddenly increased, the condition that the section of the correction guide rail (1) is bent is obtained, and therefore the repair position is determined;

step three: the guide rail (1) to be corrected is continuously pushed to move towards the direction of the discharging side until the marked repairing position is located in the middle of the two clamping plates (22), the hydraulic cylinder (23) is started to synchronously push the clamping plates (22) on the two sides, and impact force is directly applied to the guide rail (1) to be corrected from the two sides, so that the bent section can be straightened.

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