CN111774466A

CN111774466A - High-precision heating spinning flaring device

Info

Publication number: CN111774466A
Application number: CN202010609167.3A
Authority: CN
Inventors: 张立安; 魏明军
Original assignee: Ma'anshan Wanxin Casting Co ltd
Current assignee: Ma'anshan Wanxin Casting Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-10-16

Abstract

The invention relates to the technical field of fork truck hub flaring, and discloses a high-precision heating spinning flaring device which comprises a flaring die, a fixed frame and a movable plate, wherein a driving motor is fixedly arranged at the top of the fixed frame through a rack, an output shaft of the driving motor penetrates through the top of the fixed frame and extends downwards and is fixedly connected with the flaring die, the movable plate is positioned between the fixed frames and is arranged below the flaring die, a bottom die is arranged in the middle of the movable plate, a through hole is formed in the centers of the movable plate and the bottom die, a U-shaped plate is fixedly connected to the lower surface of the movable plate, an air cylinder is fixedly arranged on the U-shaped plate, a piston rod of the air cylinder penetrates through the through hole and is fixedly connected with a material jacking block, a supporting plate is fixedly. This heating spinning flaring device of high accuracy conveniently carries out accurate stable control to the lift stroke of fly leaf to effectively guarantee fork truck wheel hub's flaring precision.

Description

High-precision heating spinning flaring device

Technical Field

The invention relates to the technical field of fork truck hub flaring, in particular to a high-precision heating spinning flaring device.

Background

The forklift hub is an important structural part related to the driving safety of the forklift, the quality and the reliability of the forklift hub not only relate to the safety of vehicles, personnel and materials on the vehicles, but also influence the performances of stability, maneuverability, comfort and the like in the driving process of the vehicles, and the forklift hub is required to have the characteristics of high fatigue strength, good rigidity and elasticity, high size and shape precision, light weight and the like. The hub flaring procedure aims to expand the straight cylindrical part of the rim to the size required by the next finish machining procedure, and the flaring precision directly influences the machining size of the subsequent rim part for the next step of pre-forming.

In a patent with the Chinese patent No. CN106424406B, a heating spinning flaring device is disclosed, when in use, a wheel hub to be processed is fixed on a fixed disk through a clamping device, the fixed disk is arranged on a movable plate, a flaring die is driven to rotate at high speed through a driving device, and the wheel hub to be processed is close to the flaring die through a hydraulic cylinder to be flared and formed; the flaring die has the advantages that the precise positioning of the flaring die is realized through the positioning sleeve, the flaring precision of the forklift hub is ensured through the flaring die and the side die, the problem of insufficient flaring or over flaring caused in the flaring process of the forklift hub is avoided, and the positioning sleeve has the advantages of high efficiency, high precision and high yield; however, the scheme still has the following defects:

although the wheel hub that treats processing on can controlling the fly leaf is close to the flaring die, the control stroke of pneumatic cylinder does not possess the accuracy, and too big then easily causes the flaring too big of stroke, and the problem that the flaring undersize is then easily caused to the stroke undersize influences the accuracy nature of fork truck wheel hub flaring.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the high-precision heating spinning flaring device which has the advantage of high flaring precision and solves the problem that in the prior art, the stroke of the heating spinning flaring device is difficult to accurately control, and the flaring precision of a forklift hub is influenced.

(II) technical scheme

In order to achieve the purpose of high flaring precision, the invention provides the following technical scheme: a high-precision heating spinning flaring device comprises a flaring die, a fixing frame and a movable plate, wherein a driving motor is fixedly mounted at the top of the fixing frame through a rack, an output shaft of the driving motor penetrates through the top of the fixing frame and extends downwards and is fixedly connected with the flaring die, the movable plate is positioned between the fixing frames and is arranged below the flaring die, a bottom die is arranged in the middle of the movable plate, a through hole is formed in the center of the movable plate and the center of the bottom die, a U-shaped plate is fixedly connected to the lower surface of the movable plate, a cylinder is fixedly mounted on the U-shaped plate, a piston rod of the cylinder penetrates through the through hole and is fixedly connected with a jacking block, a supporting plate is fixedly connected between the side walls of the fixing frame close to the bottom end, two guide cylinders are symmetrically and fixedly connected to the upper surface of the supporting plate, a threaded rod is, the inner wall of the guide cylinder is symmetrically provided with sliding chutes matched with the sliding blocks, the sliding blocks are in sliding connection with the sliding chutes, the top end of the threaded rod penetrates through the cylinder opening at the top of the guide cylinder and extends upwards, and is fixedly connected with the lower surface of the movable plate, the edge of the cylinder opening at the top end of the guide cylinder is provided with an annular gap, the annular opening is communicated with the inside of the guide cylinder, a threaded sleeve matched with a threaded rod is rotatably connected in the annular opening through a first bearing, the threaded rod penetrates through the threaded sleeve, the threaded sleeve is in threaded connection with the threaded rod, the center of the upper surface of the supporting plate is rotatably connected with a rotating rod through a second bearing, and the top end of the rotating rod is fixedly connected with a driving chain wheel, the outer cylinder walls of the two threaded sleeves are fixedly sleeved with driven chain wheels, and matched chains are sleeved between the driving chain wheel and the two driven chain wheels.

Preferably, the guide wheels are fixedly mounted at the two ends of the movable plate, guide grooves matched with the guide wheels are formed in the side walls of the fixing frame, and the guide wheels are connected with the guide grooves in a rolling mode.

Preferably, a ball groove is formed in one side, close to the bottom of the sliding groove, of the sliding block, matched balls are installed in the ball groove, one end, far away from the bottom of the ball groove, of each ball penetrates through a groove opening of the corresponding ball groove and extends outwards, and the ball groove is in rolling connection with the bottom of the sliding groove.

Preferably, the outer rod wall of the rotating rod is symmetrically and fixedly connected with rotating handles.

Preferably, the ball has a ball diameter larger than a groove diameter of a ball groove opening.

Preferably, the side wall of the rotating handle is provided with anti-skid grains which are uniformly distributed.

(III) advantageous effects

Compared with the prior art, the invention provides a high-precision heating spinning flaring device, which has the following beneficial effects:

the high-precision heating spinning flaring device is provided with a flaring die, a movable plate, a driving motor, a guide cylinder, a threaded rod, a sliding block, a sliding groove, a threaded sleeve, a rotating rod, a driving chain wheel, a driven chain wheel and a chain, wherein the driving motor is started to conveniently drive the flaring die to rotate, the rotating rod is rotated clockwise, the driving chain wheel on the rotating rod drives two threaded sleeves which are sleeved with the driven chain wheels to synchronously rotate clockwise through the chain, the sliding block on the rod wall at the bottom end of the threaded rod is limited by the sliding groove on the inner wall of the guide cylinder, so that the rotational freedom degree of the threaded rod is limited, the threaded sleeve can drive the threaded rod to move upwards along the guide cylinder when rotating clockwise, meanwhile, the sliding block is driven to slide upwards along the sliding groove, thereby driving the movable plate to be close to the flaring die to realize flaring, not only the motion stroke is stable, conveniently carries out accurate control to the stroke through the rotation degree of bull stick moreover to effectively guarantee fork truck wheel hub's flaring precision.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision heating spinning flaring device provided by the invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the automatic expanding machine comprises a flaring die 1, a fixed frame 2, a movable plate 3, a driving motor 4, a bottom die 5, a U-shaped plate 6, an air cylinder 7, a supporting plate 8, a guide cylinder 9, a threaded rod 10, a sliding block 11, a sliding chute 12, a threaded sleeve 13, a rotating rod 14, a driving chain wheel 15, a driven chain wheel 16, a chain 17, a guide wheel 18, a guide groove 19, a ball groove 20, balls 21 and a rotating handle 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a high-precision heating spinning flaring device comprises a flaring die 1, a fixed frame 2 and a movable plate 3, wherein a driving motor 4 is fixedly installed at the top of the fixed frame 2 through a frame, an output shaft of the driving motor 4 penetrates through the top of the fixed frame 2 and extends downwards and is fixedly connected with the flaring die 1, the movable plate 3 is positioned between the fixed frames 2, the movable plate 3 is arranged below the flaring die 1, a bottom die 5 is arranged at the middle part of the movable plate 3, a through hole is formed at the center of the movable plate 3 and the bottom die 5, a U-shaped plate 6 is fixedly connected to the lower surface of the movable plate 3, an air cylinder 7 is fixedly installed on the U-shaped plate 6, a piston rod of the air cylinder 7 penetrates through the through hole and is fixedly connected with a jacking block, a support plate 8 is fixedly connected between the side walls of the fixed frame 2 near, the wall of the outer rod close to the bottom end of the threaded rod 10 is symmetrically and fixedly connected with sliding blocks 11, the inner wall of the guide cylinder 9 is symmetrically provided with sliding grooves 12 matched with the sliding blocks 11, the sliding blocks 11 are in sliding connection with the sliding grooves 12, the top end of the threaded rod 10 penetrates through the top opening of the guide cylinder 9 and extends upwards and is fixedly connected with the lower surface of the movable plate 3, the edge of the opening at the top end of the guide cylinder 9 is provided with an annular opening, the annular opening is communicated with the inside of the guide cylinder 9, a threaded sleeve 13 matched with the threaded rod 10 is rotatably connected in the annular opening through a first bearing, the threaded rod 10 penetrates through the threaded sleeve 13, the threaded sleeve 13 is in threaded connection with the threaded rod 10, the center of the upper surface of the support plate 8 is rotatably connected with a rotating rod 14 through a second bearing, the top end of the rotating rod 14 is fixedly connected with a driving sprocket 15, the outer cylinder, the matched chain 17 is sleeved between the driving chain wheel 15 and the two driven chain wheels 16 together, the driving motor 4 is started to conveniently drive the flaring die 1 to rotate, the rotating rod 14 is rotated clockwise, the driving chain wheel 15 on the rotating rod 14 drives the two threaded sleeves 13 sleeved with the driven chain wheels 16 to synchronously rotate clockwise through the chain 17, the sliding blocks 11 on the rod walls at the bottom ends of the threaded rods 10 are limited by the sliding grooves 12 on the inner walls of the guide cylinders 9, so that the rotational freedom degree of the threaded rods 10 is limited, the threaded sleeves 13 can drive the threaded rods 10 to move upwards along the guide cylinders 9 when rotating clockwise, meanwhile, the sliding blocks 11 are driven to slide upwards along the sliding grooves 12, so that the movable plate 3 is driven to be close to the flaring die 1 to realize flaring forming, the rotating rod 14 is rotated anticlockwise, the movable plate 3 is conveniently driven to move downwards, the threaded sleeves 13 drive the threaded rods 10 to move, the movement stroke is stable, and the, thereby effectively guaranteeing the flaring precision of the forklift hub.

Guide wheels 18 are fixedly mounted at two ends of the movable plate 3, guide grooves 19 matched with the guide wheels 18 are formed in the side wall of the fixed frame 2, and the guide wheels 18 are in rolling connection with the guide grooves 19, so that the lifting stability of the movable plate 3 is guaranteed.

The ball groove 20 has been seted up to one side that slider 11 is close to spout 12 tank bottom, and installs the ball 21 of matcing in the ball groove 20, and the ball 21 is kept away from the one end of ball groove 20 tank bottom and is passed the notch of ball groove 20 and outwards extend, and with the tank bottom rolling connection of spout 12, effectively reduces the frictional force between slider 11 and the spout 12, makes things convenient for bull stick 14 to rotate the regulation and control.

The outer pole wall of the rotating pole 14 is symmetrically and fixedly connected with a rotating handle 22, which is convenient for controlling the rotation of the rotating pole 14.

The ball 21 has a diameter larger than the diameter of the notch of the ball groove 20, so that the ball 21 is prevented from being separated from the ball groove 20, and the stability of rolling connection is ensured.

The side wall of the rotating handle 22 is provided with anti-skidding lines which are uniformly distributed, so that the adhesive force is increased, and the hand skidding is avoided.

To sum up, in the high-precision heating spinning flaring device, the driving motor 4 is started to conveniently drive the flaring die 1 to rotate, the rotating rod 14 is rotated clockwise, the driving chain wheel 15 on the rotating rod 14 drives the two threaded sleeves 13 which are sleeved with the driven chain wheels 16 to synchronously rotate clockwise through the chain 17, the sliding blocks 11 on the rod wall at the bottom end of the threaded rod 10 are limited by the sliding grooves 12 on the inner wall of the guide cylinder 9, so that the rotational freedom degree of the threaded rod 10 is limited, the threaded sleeves 13 can drive the threaded rod 10 to move upwards along the guide cylinder 9 when rotating clockwise, meanwhile, the sliding blocks 11 are driven to slide upwards along the sliding grooves 12, so as to drive the movable plate 3 to be close to the flaring die 1, flaring forming is realized, the rotating rod 14 is rotated anticlockwise, the movable plate 3 is conveniently driven to move downwards, the threaded sleeves 13 drive the threaded rod 10 to move, the movement stroke is not only, thereby effectively guaranteeing the flaring precision of the forklift hub.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heating spinning flaring device of high accuracy, includes flaring mould (1), mount (2) and fly leaf (3), its characterized in that: the top of the fixing frame (2) is fixedly provided with a driving motor (4) through a rack, an output shaft of the driving motor (4) penetrates through the top of the fixing frame (2) and extends downwards, and is fixedly connected with the flaring die (1), the movable plate (3) is positioned between the fixing frame (2), the movable plate (3) is positioned below the flaring die (1), the middle of the movable plate (3) is provided with a bottom die (5), the centers of the movable plate (3) and the bottom die (5) are provided with through holes, the lower surface of the movable plate (3) is fixedly connected with a U-shaped plate (6), a cylinder (7) is fixedly arranged on the U-shaped plate (6), a piston rod of the cylinder (7) penetrates through the through holes and is fixedly connected with a jacking block, the fixing frame (2) is fixedly connected with a supporting plate (8) between the side walls close to the bottom end, and the upper surface of the supporting plate (, a threaded rod (10) is movably inserted in the guide cylinder (9), a sliding block (11) is symmetrically and fixedly connected to the outer rod wall of the threaded rod (10) close to the bottom end, sliding grooves (12) matched with the sliding block (11) are symmetrically formed in the inner wall of the guide cylinder (9), the sliding block (11) is in sliding connection with the sliding grooves (12), the top end of the threaded rod (10) penetrates through a cylinder opening in the top of the guide cylinder (9) and extends upwards, and is fixedly connected with the lower surface of the movable plate (3), an annular notch is formed in the edge of the cylinder opening in the top end of the guide cylinder (9) and is communicated with the inside of the guide cylinder (9), a threaded sleeve (13) matched with the threaded rod (10) is rotatably connected in the annular notch through a first bearing, the threaded rod (10) penetrates through the threaded sleeve (13) and is in threaded connection with the threaded rod (10), the center of backup pad (8) upper surface is located to rotate through the second bearing and is connected with bull stick (14), and the top fixedly connected with drive sprocket (15) of bull stick (14), two all fixed driven sprocket (16) of having cup jointed on the outer tube wall of screw sleeve (13), the chain (17) of matching have been cup jointed jointly between drive sprocket (15) and two driven sprocket (16).

2. The high-precision heating spinning flaring device of claim 1, wherein: both ends of the movable plate (3) are fixedly provided with guide wheels (18), the side wall of the fixed frame (2) is provided with guide grooves (19) matched with the guide wheels (18), and the guide wheels (18) are in rolling connection with the guide grooves (19).

3. The high-precision heating spinning flaring device of claim 1, wherein: ball groove (20) have been seted up to slider (11) one side that is close to spout (12) tank bottom, and install ball (21) that match in ball groove (20), ball (21) are kept away from the notch of ball groove (20) and are outwards extended to the one end of ball groove (20) tank bottom, and with the tank bottom roll connection of spout (12).

4. The high-precision heating spinning flaring device of claim 1, wherein: the outer pole wall of the rotating pole (14) is symmetrically and fixedly connected with rotating handles (22).

5. The high-precision heating spinning flaring device of claim 3, wherein: the ball diameter of the ball (21) is larger than the groove diameter of the notch of the ball groove (20).

6. The high-precision heating spinning flaring device of claim 4, wherein: the side wall of the rotating handle (22) is provided with anti-skid grains which are uniformly distributed.