CN216729585U

CN216729585U - Spindle box counter-locking self-lifting device for high-speed machining center

Info

Publication number: CN216729585U
Application number: CN202220002964.XU
Authority: CN
Inventors: 高飞; 晏芝明; 晏创新
Original assignee: Hunan Jinggang Electromechanical Co ltd
Current assignee: Hunan Jinggang Electromechanical Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-06-14
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a spindle box counter-locking self-lifting device for a high-speed machining center, which comprises a base frame, wherein two walls of the inner side of the base frame are fixedly connected with guide rods, the outer sides of two groups of guide rods are sleeved with sliders, a moving table is fixedly connected between the two groups of sliders, an internal plate is fixedly connected inside the moving table, a lifting mechanism is arranged at the upper end of the internal plate, the lifting mechanism comprises a fixed plate fixedly connected at the upper end of the internal plate, two ends of the fixed plate are fixedly connected with first rotating shafts, the inner sides of the two groups of first rotating shafts are movably connected with movable rods, and connecting grooves are formed in the inner sides of the two groups of movable rods. According to the spindle box counter-locking self-lifting device for the high-speed machining center, the two groups of clamping blocks are clamped into the tooth grooves of the large gear, so that the continuous transmission force of the large gear is prevented, the phenomenon that the whole motor falls down after being powered off is prevented, and unnecessary loss is reduced.

Description

Spindle box counter-locking self-lifting device for high-speed machining center

Technical Field

The utility model relates to the technical field of reversely locking and automatically lifting of a spindle box, in particular to a reversely locking and automatically lifting device of the spindle box for a high-speed machining center.

Background

The small-sized precision high-speed machining center is a multipurpose precision high-speed machine tool, a main spindle box lifting device of the machine tool generally adopts a mode that a pinion is meshed with a bull gear to transmit power, the pinion transmits the power to a lead screw connected with the bull gear, and the lead screw drives the main spindle box to lift; when the existing spindle box is lifted and descended, when a servo motor stops, the spindle box may drop, and a traditional lifting device lacks a device for locking a lifting mechanism of the spindle box, so that the spindle box is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a spindle box counter-locking self-lifting device for a high-speed machining center, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a spindle box counter-locking self-lifting device for a high-speed machining center comprises a base frame, guide rods are fixedly connected to two inner side walls of the base frame, sliding blocks are sleeved on the outer sides of two groups of guide rods, a moving table is fixedly connected between the two groups of sliding blocks, an embedded plate is fixedly connected to the inner portion of the moving table, a lifting mechanism is mounted at the upper end of the embedded plate and comprises a fixed plate fixedly connected to the upper end of the embedded plate, first rotating shafts are fixedly connected to two ends of the fixed plate, movable rods are movably connected to the inner sides of the two groups of first rotating shafts, connecting grooves are formed in the inner sides of the two groups of movable rods, fixed columns are fixedly connected to the inner portions of the two groups of connecting grooves, connecting rods are movably connected to the outer sides of the two groups of fixed columns, clamping blocks are fixedly connected to one ends of the two groups of movable rods, and air cylinders are fixedly connected to the rear ends of the two groups of fixed plates, the front end fixedly connected with dead lever of cylinder, the front end fixedly connected with fixed block of dead lever, the equal fixedly connected with second pivot in both ends of fixed block.

Preferably, the fixed plate is close to the rear position, and is two sets of first pivot is mirror symmetry, the fixed plate presents as an organic whole with first pivot, and is two sets of the movable rod is mirror symmetry.

Preferably, two sets of connecting rod and second pivot are swing joint, and are two sets of one side of connecting rod respectively with two sets of connecting grooves looks adaptations, the dead lever runs through the inside of fixed plate, the fixed block presents as an organic whole with the second pivot.

Preferably, the lower extreme fixedly connected with motor of built-in board, the upper end fixedly connected with axis of rotation of motor, the upper end fixedly connected with pinion of axis of rotation, the rear side position swing joint of pinion has the gear wheel, the lower extreme fixedly connected with threaded rod of gear wheel, the outside position fixedly connected with connecting cylinder that the inboard bottom of base frame is close to the threaded rod.

Preferably, the rotating shaft is movably connected with the built-in plate, the rotating shaft is fixedly connected with an inner rotor of the motor, and the pinion is meshed with the gearwheel.

Preferably, the gear wheel is matched with the two groups of clamping blocks, the joint of the threaded rod and the built-in plate is connected through a bearing, and the threaded rod is in threaded connection with the connecting cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

1. the two groups of clamping blocks are clamped into the tooth grooves of the large gear, so that the transmission force of the large gear is prevented from continuing, the whole falling condition after the motor is powered off is prevented, and unnecessary loss is reduced.

2. The motor is started to drive the rotating shaft and the pinion to rotate, the pinion and the large gear are meshed with each other, so that the rotation of the pinion drives the large gear to rotate, meanwhile, the threaded rod fixedly connected with the lower end is enabled to rotate in the connecting cylinder, the threaded rod is in threaded connection with the connecting cylinder, the threaded rod moves, meanwhile, the moving platform and the built-in plate are provided with the sliding blocks to move upwards along the guide rods, and therefore the purpose of lifting is achieved.

Drawings

Fig. 1 is a schematic view showing an overall structure of a headstock lock self-elevating device for a high-speed machining center according to the present invention;

fig. 2 is a partially sectional schematic structural view of a spindle box counter-locking self-elevating device for a high-speed machining center according to the present invention;

FIG. 3 is a schematic structural view of a self-locking mechanism of a spindle box counter-locking self-lifting device for a high-speed machining center according to the present invention;

fig. 4 is an enlarged view of a portion a of a headstock lock jack for a high speed machining center according to the present invention.

In the figure: 1. a base frame; 2. a guide bar; 3. a slider; 4. a mobile station; 5. a built-in plate; 6. a lifting mechanism; 61. a fixing plate; 62. a first rotating shaft; 63. a movable rod; 64. connecting grooves; 65. fixing a column; 66. a connecting rod; 67. a clamping block; 68. a cylinder; 69. a fixing rod; 610. a fixed block; 611. a second rotating shaft; 7. a motor; 8. a rotating shaft; 9. a pinion gear; 10. a bull gear; 11. a threaded rod; 12. a connecting cylinder.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1 to 4, a spindle box counter-locking self-lifting device for a high-speed machining center comprises a base frame 1, guide rods 2 are fixedly connected to two inner side walls of the base frame 1, sliders 3 are sleeved on outer sides of two groups of guide rods 2, a mobile station 4 is fixedly connected between the two groups of sliders 3, an inner plate 5 is fixedly connected to the inside of the mobile station 4, a lifting mechanism 6 is installed at the upper end of the inner plate 5, the lifting mechanism 6 comprises a fixed plate 61 fixedly connected to the upper end of the inner plate 5, first rotating shafts 62 are fixedly connected to two ends of the fixed plate 61, movable rods 63 are movably connected to the inner sides of the two groups of first rotating shafts 62, connecting grooves 64 are formed in the inner sides of the two groups of movable rods 63, fixed columns 65 are fixedly connected to the inside of the two groups of connecting grooves 64, connecting rods 66 are movably connected to the outer sides of the two groups of fixed columns 65, and clamping blocks 67 are fixedly connected to one ends of the two groups of movable rods 63, the rear ends of the two groups of fixing plates 61 are fixedly connected with air cylinders 68, the front ends of the air cylinders 68 are fixedly connected with fixing rods 69, the front ends of the fixing rods 69 are fixedly connected with fixing blocks 610, and two ends of each fixing block 610 are fixedly connected with second rotating shafts 611.

In this embodiment, the fixed plate 61 is close to the rear position, and two sets of first pivots 62 are mirror symmetry, and the fixed plate 61 and the first pivots 62 present as an organic whole, and two sets of movable rods 63 are mirror symmetry, and two sets of connecting rods 66 are swing joint with the second pivot 611, and one side of two sets of connecting rods 66 respectively with two sets of spread groove 64 looks adaptations, and the fixed rod 69 runs through the inside of fixed plate 61, and fixed block 610 and second pivot 611 present as an organic whole.

Specifically, when motor 7 outage or shut down, open cylinder 68, pulling dead lever 69 moves with fixed block 610, make the second pivot 611 at both ends drive swing joint's two sets of connecting rods 66 and move, and the opposite side and the two sets of built-in board 5 swing joint of two sets of connecting rods 66, and two sets of fixed column 65 and two sets of movable rod 63 fixed connection, when making connecting rod 66 move, can pull two sets of movable rod 63 through two sets of fixed column 65 and rotate along swing joint's two sets of first pivots 62, thereby make two sets of fixture block 67 card of fixed connection go into in the tooth's socket of gear wheel 10, prevent the condition emergence of taking place the tenesmus after motor 7 outage, reduce the unnecessary loss.

In this embodiment, the lower extreme fixedly connected with motor 7 of built-in plate 5, the upper end fixedly connected with axis of rotation 8 of motor 7, the upper end fixedly connected with pinion 9 of axis of rotation 8, the rear side position swing joint of pinion 9 has gear wheel 10, the lower extreme fixedly connected with threaded rod 11 of gear wheel 10, the inboard bottom of base frame 1 is close to outside position fixedly connected with connecting cylinder 12 of threaded rod 11, axis of rotation 8 is swing joint with built-in plate 5, axis of rotation 8 and motor 7's inside rotor fixed connection, pinion 9 and gear wheel 10 intermeshing, gear wheel 10 and two sets of fixture block 67 looks adaptations, threaded rod 11 is connected for the bearing with built-in plate 5's handing-over department, threaded rod 11 is threaded connection with connecting cylinder 12.

Specifically, starter motor 7 drives axis of rotation 8 and pinion 9 and rotates, and pinion 9 and gear wheel 10 are intermeshing, so pinion 9's rotation drives gear wheel 10 and rotates, makes lower extreme fixed connection's threaded rod 11 rotate in connecting cylinder 12 simultaneously, and threaded rod 11 is threaded connection with connecting cylinder 12 for threaded connection makes threaded rod 11 remove and makes mobile station 4, built-in board 5 take slider 3 along guide bar 2 rebound simultaneously, thereby realizes the purpose of going up and down.

The working principle is as follows:

when the lifting device is used, firstly, the motor (model: YS8024)7 is started to drive the rotating shaft 8 and the pinion 9 to rotate, the pinion 9 and the gearwheel 10 are meshed with each other, so that the rotation of the pinion 9 drives the gearwheel 10 to rotate, meanwhile, the threaded rod 11 fixedly connected with the lower end is driven to rotate in the connecting cylinder 12, the threaded rod 11 is in threaded connection with the connecting cylinder 12, the threaded rod 11 moves, simultaneously, the moving platform 4 and the built-in plate 5 drive the sliding block 3 to move upwards along the guide rod 2, and therefore the lifting purpose is achieved, in addition, when the motor 7 is powered off or stopped, the air cylinder (model: MGPM25-20Z)68 is started, the fixed rod 69 and the fixed block 610 are pulled to move, the second rotating shafts 611 at two ends drive the two groups of movably connected connecting rods 66 to move, and the other sides of the two groups of connecting rods 66 are movably connected with the two groups of built-in plates 5, and two sets of fixed columns 65 and two sets of movable rods 63 are fixedly connected, so that when the connecting rod 66 moves, two sets of movable rods 63 can be pulled to rotate along two sets of first rotating shafts 62 of the movable connection through the two sets of fixed columns 65, and two sets of fixture blocks 67 of the fixed connection are clamped into tooth grooves of the large gear 10, so that the condition that the motor 7 falls down after power failure is prevented, and unnecessary loss is reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a headstock is locked from lifting devices that is used for high-speed machining center, includes base frame (1), its characterized in that: the base frame is characterized in that guide rods (2) are fixedly connected to two inner side walls of the base frame (1), sliding blocks (3) are sleeved on the outer sides of the two groups of guide rods (2), a moving platform (4) is fixedly connected between the two groups of sliding blocks (3), an embedded plate (5) is fixedly connected to the inner part of the moving platform (4), a lifting mechanism (6) is installed at the upper end of the embedded plate (5), the lifting mechanism (6) comprises a fixed plate (61) fixedly connected to the upper end of the embedded plate (5), first rotating shafts (62) are fixedly connected to two ends of the fixed plate (61), movable rods (63) are movably connected to the inner sides of the two groups of first rotating shafts (62), connecting grooves (64) are formed in the inner sides of the two groups of movable rods (63), fixed columns (65) are fixedly connected to the inner parts of the two groups of connecting grooves (64), and connecting rods (66) are movably connected to the outer sides of the fixed columns (65), two sets of the equal fixedly connected with fixture block (67) in one end of movable rod (63), rear end fixedly connected with cylinder (68) of two sets of fixed plates (61), the front end fixedly connected with dead lever (69) of cylinder (68), the front end fixedly connected with fixed block (610) of dead lever (69), the equal fixedly connected with second pivot (611) in both ends of fixed block (610).

2. The headstock relocking self-lifting device for the high-speed machining center according to claim 1, wherein: fixed plate (61) are close to the rear side position, and are two sets of first pivot (62) are mirror symmetry, fixed plate (61) present as an organic whole with first pivot (62), and are two sets of movable rod (63) are mirror symmetry.

3. The headstock relocking self-lifting device for the high-speed machining center according to claim 1, wherein: the two groups of connecting rods (66) are movably connected with the second rotating shaft (611), one sides of the two groups of connecting rods (66) are respectively matched with the two groups of connecting grooves (64), the fixing rod (69) penetrates through the inside of the fixing plate (61), and the fixing block (610) and the second rotating shaft (611) are integrated.

4. The headstock relocking self-lifting device for the high-speed machining center according to claim 1, wherein: the utility model discloses a portable computer base support, including built-in plate (5), the lower extreme fixedly connected with motor (7) of built-in plate (5), the upper end fixedly connected with axis of rotation (8) of motor (7), the upper end fixedly connected with pinion (9) of axis of rotation (8), the rear side position swing joint of pinion (9) has gear wheel (10), the lower extreme fixedly connected with threaded rod (11) of gear wheel (10), the inboard bottom of base frame (1) is close to outside position fixedly connected with connecting cylinder (12) of threaded rod (11).

5. The headstock relocking self-lifting device for the high-speed machining center according to claim 4, wherein: the rotating shaft (8) is movably connected with the built-in plate (5), the rotating shaft (8) is fixedly connected with an inner rotor of the motor (7), and the small gear (9) is meshed with the large gear (10).

6. The headstock counter-locking self-lifting device for the high-speed machining center according to claim 4, wherein: the large gear (10) is matched with the two groups of clamping blocks (67), the joint of the threaded rod (11) and the built-in plate (5) is in bearing connection, and the threaded rod (11) is in threaded connection with the connecting cylinder (12).