CN217686961U

CN217686961U - Numerical control machine tool spindle detection device

Info

Publication number: CN217686961U
Application number: CN202221810117.2U
Authority: CN
Inventors: 张长春; 张君; 龙小丽
Original assignee: Sichuan Dekepu Cnc Machine Tool Co ltd
Current assignee: Sichuan Dekepu Cnc Machine Tool Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-28
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a digit control machine tool main shaft detection device, which comprises a frame, the upper surface of frame is seted up flutedly, the both sides of recess and the last fixed surface who is located the frame install the slide rail. The utility model provides a digit control machine tool main shaft detection device, this detection device has added adjustment mechanism and feed mechanism, make the lead screw drive two swivel nuts at the outer wall relative movement of lead screw when rotating, make the sliding seat remove in the top of frame, the inside of putting into the three-jaw chuck with the both ends of main shaft carries out the centre gripping, such design is that can fix the main shaft of not unidimensional model in order to make detection device, thereby detection device's suitability has been improved effectively, and the pole that links up drives the synchronous lapse of guide arm, make the outer wall that the bottom of amesdial is close to the main shaft detect the main shaft, it is different also can have the diameter to do not have the diameter simultaneously at main shaft length, such design is the height of adjusting the amesdial in order to make things convenient for, be convenient for detect the main shaft.

Description

Numerical control machine tool spindle detection device

Technical Field

The utility model belongs to the technical field of the digit control machine tool detects, concretely relates to digit control machine tool spindle detection device.

Background

The main shaft part is usually composed of a main shaft, a bearing, a transmission part and the like, and is mainly used for supporting transmission parts such as gears and belt wheels in machines and transmitting motion and torque, such as machine tool main shafts; some are used to clamp a workpiece, such as a spindle. Most of machine tools have a spindle unit except for a planer, a broaching machine, and the like, which are linearly moved in main motion. The motion precision and the structural rigidity of the spindle part are important factors for determining the processing quality and the cutting efficiency;

before the main shaft is used, the indexes of the performance of the main shaft component, which are measured by using a detection device, are mainly rotation precision, rigidity and speed adaptability, and are obtained through the retrieval of patent application numbers: CN201921503932.2, a digit control machine tool spindle detection device, includes the backup pad, the both sides of backup pad top outer wall all are equipped with gyration fixture, and the position that backup pad top outer wall is close to gyration fixture all welds there is a fixed plate, two the welding has same roof on the outer wall of one side that the fixed plate is relative, and the welding has two connecting plates, two on the outer wall of roof bottom the welding has same electronic slide rail, sliding connection has the slider on one side outer wall of electronic slide rail through the bolt fastening on the outer wall of one side that the connecting plate is relative. The utility model discloses with the gauge outfit contact of amesdial to the surface of main shaft, then zero setting, conveniently measure the runout of main shaft, start electronic slide rail and remove the slider, can carry out a lot of tests, slowly rotate the main shaft round, read out the biggest number of degrees and the minimum number of degrees of amesdial, reach the runout value of main shaft, improved the practicality of device.

The detection device on the existing market does not have the function of adjustment and the adjustment of not having the height when detecting the main shaft of digit control machine tool to lead to inconvenient carrying out the centre gripping to the main shaft of different size models and be not convenient for carry out position control to the main shaft of different diameters easily and cause the low inconvenient problem of use of detection device suitability.

Therefore, it is necessary to provide a spindle detecting device for a numerical control machine tool to solve the above technical problems.

Disclosure of Invention

The utility model provides a digit control machine tool main shaft detection device has solved detection device and has not possessed the function of adjusting and the regulation that does not possess the height when detecting the main shaft of digit control machine tool to lead to inconvenient carrying out the centre gripping to the main shaft of not unidimensional model easily and carrying out position control to the main shaft of difference in footpath not to cause the problem of the low inconvenient use of detection device suitability.

The utility model adopts the technical proposal that: the utility model provides a digit control machine tool main shaft detection device, includes the frame, the upper surface of frame is seted up flutedly, the both sides of recess and the last fixed surface who is located the frame install the slide rail, and the quantity of slide rail has two, the outer wall of frame is fixed with the backup pad, the top of recess and the last surface mounting who is located the frame have adjustment mechanism, the top of frame is fixed with the roof, the lower surface of roof has the limiting plate through bolt fixed mounting, and the quantity of limiting plate has two, two feed mechanism is installed to relative one side of limiting plate.

Preferably, the adjusting mechanism comprises a first motor fixedly mounted on the upper surface of the supporting plate, an output shaft at the front end of the first motor penetrates through the outer wall of the rack and extends to an inner key groove of the groove to be connected with a screw rod, the other end of the screw rod is connected with the inner wall of the groove through a bearing, the outer wall of the screw rod is in threaded connection with two screw sleeves, and the number of the screw sleeves is two.

Preferably, movable seats are fixed above the outer walls of the two screw sleeves, sliding blocks matched with the two sliding rails are fixed on the outer walls of the two sides of each movable seat, and the movable seats are connected with the rack in a sliding mode through the matching of the sliding blocks and the two sliding rails.

Preferably, a second motor is fixedly mounted on the outer wall of the movable seat, and a front-end output shaft of the second motor penetrates through a keyway on the outer wall of the movable seat to be connected with a three-jaw chuck.

Preferably, the feeding mechanism comprises an air cylinder fixedly mounted on the upper surface of the top plate, a fixing plate is fixedly mounted at an oil seal port of the air cylinder through the top plate, and two connecting rods are fixedly connected to the lower surface of the fixing plate.

Preferably, guide rods are synchronously and fixedly installed at the bottom ends of the two connecting rods, the two ends of each guide rod and the two ends of each fixing plate are slidably connected with the inner walls of the two limiting plates, a sliding sleeve is sleeved on the outer wall of each guide rod, and a dial indicator is in threaded connection with the lower surface of each sliding sleeve.

The beneficial effects of the utility model reside in that: this detection device has increased adjustment mechanism and feed mechanism, make the lead screw drive two swivel nuts at the outer wall relative movement of lead screw when rotating, make the sliding seat remove in the top of frame, then put into the inside of three-jaw chuck with the both ends of main shaft and carry out the centre gripping, such design is in order to make detection device can fix the main shaft of not unidimensional model, thereby detection device's suitability has been improved effectively, and the pole that links up drives the synchronous lapse of guide arm, make the bottom of amesdial be close to the outer wall of main shaft and detect the main shaft, also can have the diameter different at main shaft length difference, such design is the height of adjusting the amesdial in order to make things convenient for, be convenient for detect the main shaft.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the adjustment mechanism of FIG. 1;

fig. 3 is a schematic structural view of the feeding mechanism shown in fig. 1.

In the figure: 1. a frame; 2. a groove; 3. a slide rail; 4. a support plate; 5. an adjustment mechanism; 51. a first motor; 52. a screw rod; 53. a threaded sleeve; 54. a movable seat; 55. a slider; 56. a second motor; 57. a three-jaw chuck; 6. a top plate; 7. a limiting plate; 8. a feed mechanism; 81. a cylinder; 82. a fixing plate; 83. a connecting rod; 84. a guide bar; 85. a sliding sleeve; 86. and (5) a dial indicator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1, fig. 2 and fig. 3, digit control machine tool main shaft detection device that this embodiment provided, including frame 1, frame 1's upper surface is seted up flutedly 2, the both sides of recess 2 and the last fixed surface who is located frame 1 install slide rail 3, and the quantity of slide rail 3 has two, frame 1's outer wall is fixed with backup pad 4, recess 2's top and the last fixed surface who is located frame 1 have adjustment mechanism 5, frame 1's top is fixed with roof 6, there is limiting plate 7 lower surface of roof 6 through bolt fixed mounting, and there are two limiting plate 7's quantity, feed mechanism 8 is installed to one side relative of two limiting plates 7.

The adjusting mechanism 5 comprises a first motor 51 fixedly mounted on the upper surface of the supporting plate 4, an output shaft at the front end of the first motor 51 penetrates through the outer wall of the rack 1 and extends to an inner key groove of the groove 2 to be connected with a screw rod 52, the other end of the screw rod 52 is connected with the inner wall of the groove 2 through a bearing, the outer wall of the screw rod 52 is in threaded connection with threaded sleeves 53, and the number of the threaded sleeves 53 is two.

The outer wall top of two swivel nuts 53 all is fixed with movable seat 54, the both sides outer wall of movable seat 54 all is fixed with the slider 55 with two slide rail 3 looks adaptations, movable seat 54 passes through the cooperation and the frame 1 sliding connection of slider 55 and two slide rails 3, the opposite thread in both ends is seted up to the outer wall of lead screw 52, and then make lead screw 52 drive two swivel nuts 53 when rotating at the outer wall relative movement of lead screw 52, make movable seat 54 remove in the top of frame 1, the slider 55 of movable seat 54 both sides can increase its stability in the outer wall slip of slide rail 3 simultaneously.

The outer wall fixed mounting of sliding seat 54 has second motor 56, and the outer wall keyway that the front end output shaft of second motor 56 runs through sliding seat 54 is connected with three-jaw chuck 57, puts into the inside of three-jaw chuck 57 with the both ends of main shaft and carries out the centre gripping for the main shaft is fixed it when detecting, and second motor 56 rotates the output shaft and makes three-jaw chuck 57 drive the main shaft rotatory, can be convenient for detect the different side of main shaft.

The feeding mechanism 8 comprises a cylinder 81 fixedly mounted on the upper surface of the top plate 6, a fixing plate 82 is fixedly mounted at an oil seal port of the cylinder 81 through the top plate 6, an engaging rod 83 is fixedly connected to the lower surface of the fixing plate 82, and the number of the engaging rods 83 is two.

The synchronous fixed mounting in bottom of two links up pole 83 has guide arm 84, the both ends of guide arm 84 and fixed plate 82 all with the inner wall sliding connection of two limiting plates 7, the outer wall cover of guide arm 84 is equipped with sliding sleeve 85, and sliding sleeve 85's lower surface threaded connection has micrometer 86, the main shaft slowly rotates the round back, read out micrometer 86's the biggest number of degrees and minimum number of degrees, reachs the runout value of main shaft, slide micrometer 86 in order to reachs multiunit data through sliding sleeve 85 at guide arm 84's outer wall, compare, if the runout value of main shaft is in a reasonable scope, then through detecting, otherwise unqualified.

The utility model provides a digit control machine tool main shaft detection device's theory of operation as follows:

the first step is as follows: the first motor 51 is started to rotate the output shaft to drive the screw rod 52 to rotate in the groove 2, the outer wall of the screw rod 52 is provided with threads with two opposite ends, the screw rod 52 drives the two thread sleeves 53 to move relatively on the outer wall of the screw rod 52 when rotating, the movable seat 54 moves above the rack 1, meanwhile, the sliding blocks 55 on the two sides of the movable seat 54 slide on the outer wall of the sliding rail 3 to increase the stability of the sliding rail, then the two ends of the spindle are placed in the three-jaw chuck 57 to be clamped, the second motor 56 rotates the output shaft to drive the three-jaw chuck 57 to rotate the spindle, after the spindle rotates for one circle slowly, the maximum degree and the minimum degree of the dial indicator 86 are read out to obtain the radial run-out value of the spindle, the design is that the detection device can fix spindles with different sizes and models, and therefore the applicability of the detection device is effectively improved;

the second step is that: when the spindle needs to be detected, the dial indicator 86 slides to a position needing to be detected on the outer wall of the guide rod 84 through the sliding sleeve 85, the air cylinder 81 is started to operate, a piston rod of the air cylinder 81 is made to move downwards to drive the two ends of the fixing plate 82 to move downwards on the inner wall of the limiting plate 7, the connecting rod 83 drives the guide rod 84 to synchronously slide downwards, the bottom end of the dial indicator 86 is made to be close to the outer wall of the spindle to detect the spindle, the spindle can have different diameters when the length of the spindle is different, the design is to adjust the height of the dial indicator 86 conveniently, and the spindle is convenient to detect.

Compared with the prior art, the utility model provides a digit control machine tool main shaft detection device has following beneficial effect:

this detection device has additional adjustment mechanism 5 and feed mechanism 8, make lead screw 52 drive two swivel nuts 53 at the outer wall relative movement of lead screw 52 when rotating, make movable seat 54 move in the top of frame 1, then put into the inside of three-jaw chuck 57 with the both ends of main shaft and carry out the centre gripping, such design is in order to make detection device can fix the main shaft of different size models, thereby detection device's suitability has been improved effectively, and link pole 83 drives guide arm 84 and slides downwards in step, make the bottom of amesdial 86 be close to the outer wall of main shaft and detect the main shaft, also can have the diameter difference when main shaft length is different, such design is for conveniently adjusting the height of amesdial 86, be convenient for detect the main shaft.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a digit control machine tool main shaft detection device, includes frame (1), its characterized in that: the upper surface of frame (1) is seted up flutedly (2), the both sides of recess (2) and the last fixed surface who is located frame (1) install slide rail (3), and the quantity of slide rail (3) has two, the outer wall of frame (1) is fixed with backup pad (4), the top of recess (2) and the last surface mounting who is located frame (1) have adjustment mechanism (5), the top of frame (1) is fixed with roof (6), the lower surface of roof (6) has limiting plate (7) through bolt fixed mounting, and the quantity of limiting plate (7) has two, two feed mechanism (8) are installed to relative one side of limiting plate (7).

2. The spindle detecting device of a numerical control machine according to claim 1, wherein: adjustment mechanism (5) are including fixed mounting in first motor (51) of backup pad (4) upper surface, the inside keyway that the outer wall that the front end output shaft of first motor (51) runs through frame (1) extends to recess (2) is connected with lead screw (52), and the other end of lead screw (52) is connected through the bearing with the inner wall of recess (2), and the outer wall threaded connection of shown lead screw (52) has swivel nut (53), and the quantity of swivel nut (53) has two.

3. The spindle detecting device of a numerical control machine according to claim 2, wherein: the two outer walls of the screw sleeves (53) are fixed with movable seats (54), the outer walls of the two sides of each movable seat (54) are fixed with sliding blocks (55) matched with the two sliding rails (3), and the movable seats (54) are connected with the rack (1) in a sliding mode through the sliding blocks (55) and the two sliding rails (3).

4. The spindle detecting device of a numerical control machine according to claim 3, wherein: the outer wall fixed mounting of sliding seat (54) has second motor (56), the outer wall keyway that the front end output shaft of second motor (56) runs through sliding seat (54) is connected with three-jaw chuck (57).

5. The spindle detecting device of a numerical control machine according to claim 4, wherein: feed mechanism (8) are including fixed mounting in cylinder (81) of roof (6) upper surface, the oil blanket port of cylinder (81) runs through roof (6) fixed mounting has fixed plate (82), the lower surface fixedly connected with of fixed plate (82) links up pole (83), and the quantity of linking pole (83) has two.

6. The spindle detecting device of a numerical control machine according to claim 5, wherein: the bottom ends of the two connecting rods (83) are synchronously and fixedly provided with guide rods (84), two ends of each of the guide rods (84) and the fixing plate (82) are in sliding connection with the inner walls of the two limiting plates (7), the outer wall of each of the guide rods (84) is sleeved with a sliding sleeve (85), and the lower surface of each sliding sleeve (85) is in threaded connection with a dial indicator (86).