CN217572262U - Unloading clamping machine constructs on magnesium alloy workstation of polishing - Google Patents

Abstract

A magnesium alloy polishing workstation feeding and discharging clamping mechanism belongs to the industrial polishing feeding and discharging field: a rotary workbench is arranged at the central position of the operation main table, a servo motor is arranged in the rotary workbench to drive a worm to rotate, the worm drives a worm wheel to rotate, the worm wheel is connected with a worm wheel shaft through a pin, and the top of the worm wheel shaft is connected with the workbench surface through a screw. The three ejector blocks are arranged around the workbench and used for clamping and fixing the cast magnesium alloy to be polished, which is placed on the workbench, the tail ends of the left ejector block and the right ejector block are connected with the electric cylinder through threads, and sliding guide rails are arranged below the left ejector block and the right ejector block. The third ejector block is located at the middle lower position of the operation general table, the ejector block plays a main fixing role in the clamping process, the tail end of the ejector block is connected with the top of a piston of a hydraulic cylinder through threads, sliding blocks are arranged on two sides of the middle stop block, and a cylinder clamping mechanism is arranged at the lower right position of the operation general table.

Description

Unloading clamping machine constructs on magnesium alloy workstation of polishing

Technical Field

The utility model belongs to the unloading field of going up of industry polishing relates to a unloading clamping machine constructs on magnesium alloy workstation of polishing.

Background

In recent years, magnesium alloys have been widely used in aerospace, automobile manufacturing and other fields by virtue of their advantages such as low density and high specific strength, and have become one of the key directions studied by many researchers at home and abroad. The cast magnesium alloy needs to be ground because the cast magnesium alloy generates process defects, such as cracks, burrs, and flash, during the production process, and the process defects affect the later processing of the cast magnesium alloy. Conventional manual sanding is no longer suitable for the current trend due to increasing labor costs and harsh environments of sanding plants, and is therefore gradually replaced by sanding robots.

The existing feeding and discharging system of the polishing robot workstation has the defects of complex clamping operation, unstable clamping and the like, so that the design of a feeding and discharging system which is simple in operation and reliable in clamping is necessary.

Disclosure of Invention

The utility model aims at providing a unloading clamping machine constructs on magnesium alloy workstation of polishing has solved the problem that unloading system clamping process is complicated and the clamping is unstable among the prior art on the workstation of polishing.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a unloading clamping machine constructs on magnesium alloy workstation of polishing, includes the operation total, is provided with a rotatable circular table in the intermediate position of operation total, and the inside servo motor that includes of swivel work head, servo motor drives the worm and rotates, and the worm drives the worm wheel and rotates, and the worm wheel is connected with the worm-wheel shaft through the round pin, and the top of worm-wheel shaft is connected with table surface through the screw to realize the rotary motion of workstation. The three ejector blocks are arranged around the workbench and used for clamping and fixing cast magnesium alloy to be polished placed on the workbench, the tail ends of the left ejector block and the right ejector block are connected with the electric cylinder through threads, the servo motor in the electric cylinder rotates to drive the lead screw to move to realize linear reciprocating motion of the left ejector block and the right ejector block, and sliding guide rails are arranged below the left ejector block and the right ejector block. The third kicking block is located the well below position of operation total station, because this kicking block plays main fixed action at the clamping in-process, and each direction stress that receives is great, so be provided with the bulge in the both sides of this kicking block, the inside sliding guide that all is provided with of bulge in both sides is used for preventing this dog dislocation phenomenon in the clamping in-process, and the end of this kicking block is connected through the screw thread with the piston top of pneumatic cylinder, and the pneumatic cylinder realizes the straight reciprocating motion of this kicking block through changing hydraulic pressure energy into mechanical energy. And the right lower end of the operating platform is provided with an air cylinder clamping mechanism, and the air cylinder clamping mechanism adopts a dead point self-locking principle and is used for fixing the upper parts of some medium and large cast magnesium alloys.

Further, cylinder clamping mechanism compares in the clamping mechanism of other types, and structural design is ingenious, easy operation, and clamping force is better to it produces the interference with terminal grinding head to be difficult to at industrial robot grinding in-process.

Furthermore, the design of swivel work head can adjust the position of dog centre gripping in the diversion, can polish casting magnesium alloy like this omnidirectionally to go up unloading again, improved the work efficiency of polishing to a certain extent.

Furthermore, the front ends of the three check blocks are all arc-shaped blocking surfaces, and lines are additionally arranged on the surfaces of the arc-shaped blocking surfaces, so that the surface roughness of a contact surface between the fixture and the casting is improved.

Furthermore, the rotation of the worm wheel and the worm is utilized to drive the workbench to rotate, so that the rotating process is stable in operation and convenient to control.

Drawings

FIG. 1 is a general view of the structure of the present invention;

FIG. 2 is a structural view of the rotary table of the present invention;

FIG. 3 is a structural view of the cylinder clamping mechanism of the present invention;

in the figure: 1. the device comprises a right electric cylinder 2, a right block 3, a left block 4, a left electric cylinder 5, an operation main table 6, a rotary workbench 7, a middle block 8, a hydraulic cylinder 9, a cylinder clamping mechanism 10, a screw 11, a gasket 601, a workbench table surface 602, a worm wheel shaft upper flange 603, a worm wheel shaft 604, a rotary bearing 605, a worm wheel 606, a worm wheel shaft lower flange 607, a worm 608, a motor 901, a fastening hammer 902, a fixing part 903, a crank 904, an upper end fixing seat 905, a connecting rod 906, a cylinder barrel 907, a base connecting part 908, a rocker 909, a cylinder piston 910, a fixed base

Detailed Description

Embodiments of the invention are described in detail below with reference to the following drawings:

as shown in fig. 1, a feeding and discharging clamping mechanism for a magnesium alloy polishing workstation comprises an operation main table 5, wherein a rotary workbench 6 and a stop block platform on the operation main table 5 are fixed on the operation main table 5 through bolt connection, a sliding guide rail is arranged on the stop block platform, a left stop block 3 and a right stop block 2 are respectively arranged on the left stop block platform and the right stop block platform, sliders are arranged on the left stop block 3 and the right stop block 2, terminal threaded holes of the left stop block 3 and the right stop block 2 are respectively connected with top threads of a left electric cylinder 4 and a right electric cylinder 1, a middle stop block 7 is arranged on the operation main table (5), a terminal threaded hole of the middle stop block 7 is connected with top threads of a hydraulic cylinder 8, front ends of the left stop block 3, the right stop block 2 and the middle stop block 7 are respectively arranged to be arc-shaped stop faces, sliders are arranged on two sides of the middle stop block 7, a protruding portion is arranged on the middle stop block 7 platform, a sliding guide rail is arranged on the protruding portion, the rotary workbench 6 is arranged in the middle position of the operation main table 5, a cylinder clamping mechanism 9 is arranged on the right lower side of the operation main table 5, and a cylinder clamping mechanism 9 and a cylinder 11 is connected with an operation main table 5 through a gasket 11.

This structure is when going on unloading clamping, start left electric jar 4 and right electric jar 1 simultaneously, thereby drive left dog 3 and right dog 2 and carry out feed motion, when left dog 3 and right dog 2 will contact when treating the magnesium alloy of polishing, stop the feed motion of dog and keep left dog 3 and right dog 2 motionless, open middle pneumatic cylinder 8 this moment, dog 7 carries out feed motion in the middle of driving, when casting magnesium alloy shape is higher, start cylinder clamping mechanism 9, fix casting magnesium alloy top through the dead point auto-lock principle, thereby accomplish the clamping process of unloading on the completion.

As shown in fig. 2, in order to polish a magnesium alloy to be polished in an all-dimensional manner, a rotary table 6 is disposed in the middle of an operation assembly table 5, the rotary table 6 includes a table top 601, the table top 601 is connected to the top of a worm gear shaft 603 through a screw 10, a worm gear shaft upper flange 602 is disposed below the table top 601, a rotary bearing 604 is disposed below the worm gear shaft upper flange 602, a worm wheel 605 is disposed below the rotary bearing 604, a rotary bearing 604 is disposed below the worm wheel 605, a worm gear shaft lower flange 606 is disposed below the rotary bearing 604, the worm wheel 605 is engaged with a worm 607, and the worm 607 is connected to a rotor of a motor 608 through a pin.

When the workbench 6 works, when the rotor of the motor 608 rotates, the worm 607 is driven to rotate, the worm 607 is meshed with the worm wheel 605, so that the worm 607 is driven to rotate, the worm 607 is connected with the worm wheel shaft 603 through a pin, and the worm wheel shaft 603 and the workbench surface 601 are driven to rotate, so that the rotary motion of the workbench 6 is realized.

As shown in fig. 3, in order to polish cast magnesium alloy with a high shape to be polished smoothly, a cylinder clamping mechanism 9 is disposed at a lower right position of the operation console 5, the cylinder clamping mechanism 9 includes a fastening hammer 901, the fastening hammer 901 is connected to a crank 903 through a screw 10 and a fixing member 902, an upper end of the crank 903 is connected to a front end of a rocker 908, a lower end of the crank 903 is connected to a front end of an upper end fixing seat 904, a distal end of the upper end fixing seat 904 is connected to a lower end of a connecting rod 905, an upper end of the connecting rod 905 is connected to a hole in the middle of the rocker 908, a distal end of the rocker 908 is connected to a top end of a piston 909, the piston 909 is disposed in a cylinder barrel 906 for linear reciprocating motion, and the cylinder barrel 906 is connected to a fixing base 910 through a base connecting member 907.

When the cylinder clamping mechanism 9 does not work, the cylinder piston 909 is in an extending posture, and when the cylinder clamping mechanism works, the cylinder piston 909 moves towards the lower part of the cylinder 906 to drive the crank 902, the connecting rod 905 and the rocker 908 to be positioned on the same straight line, so that the clamping work is completed.

Claims (3)

1. The utility model provides a unloading clamping machine constructs on magnesium alloy workstation of polishing which characterized by: including operation total platform (5), swivel work head (6) and dog platform on operation total platform (5) all fix on operation total platform (5) through bolted connection, be provided with sliding guide on the dog platform, left side dog (3) and right dog (2) set up respectively on controlling the dog platform, be provided with slider on left side dog (3) and right dog (2), the terminal screw hole of left side dog (3) and right dog (2) is connected with the top screw thread of left electric jar (4) and right electric jar (1) respectively, be provided with intermediate stop (7) on operation total platform (5), the terminal screw hole of intermediate stop (7) is connected with the top screw thread of pneumatic cylinder (8), the front end of left side dog (3), right dog (2) and intermediate stop (7) all sets up to arc check surface, the both sides of intermediate stop (7) are provided with the slider, be provided with the bulge on intermediate stop (7) the platform, be provided with sliding guide on the bulge, swivel work head (6) set up in operation total platform (5) the intermediate position of operation total platform (5), the tight mechanism of clamp (9) is connected with right side clamp actuating mechanism (9), cylinder (9) below (9) and cylinder (9) are connected.

2. The loading and unloading clamping mechanism for the magnesium alloy grinding workstation as recited in claim 1, wherein: the rotary workbench (6) comprises a workbench table surface (601), the workbench table surface (601) is connected with the top of a worm gear shaft (603) through a screw (10), a worm gear shaft upper flange (602) is arranged below the workbench table surface (601), a rotary bearing (604) is arranged below the worm gear shaft upper flange (602), a worm wheel (605) is arranged below the rotary bearing (604), a rotary bearing (604) is arranged below the worm wheel (605), a worm gear shaft lower flange (606) is arranged below the rotary bearing (604), the worm wheel (605) is meshed with a worm (607), and the worm (607) is connected with a rotor of a motor (608) through a pin.

3. The loading and unloading clamping mechanism for the magnesium alloy polishing workstation as recited in claim 1, wherein the loading and unloading clamping mechanism comprises: the cylinder clamping mechanism (9) comprises a fastening hammer head (901), the fastening hammer head (901) is connected with a crank (903) through a screw (10) and a fixing piece (902), the upper end of the crank (903) is connected with the front end of a rocker (908), the lower end of the crank (903) is connected with the front end of an upper end fixing seat (904), the tail end of the upper end fixing seat (904) is connected with the lower end of a connecting rod (905), the upper end of the connecting rod (905) is connected with a hole in the middle of the rocker (908), the tail end of the rocker (908) is connected with the top end of a piston (909), the piston (909) is arranged in a cylinder barrel (906) to perform linear reciprocating motion, and the cylinder barrel (906) is connected with a fixing base (910) through a base connecting piece (907).

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