CN217394376U

CN217394376U - Workpiece fixing device of gantry machining center

Info

Publication number: CN217394376U
Application number: CN202221139297.6U
Authority: CN
Inventors: 罗俊利; 张剑云; 马长印
Original assignee: Yuzhou Hengli Mould Co ltd
Current assignee: Yuzhou Hengli Mould Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-09
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a longmen machining center work piece fixing device belongs to longmen machining center technical field, including the processing platform and install respectively in processing platform both sides and be two first L poles and the second L pole of invering, a side at the processing platform is equipped with extends the otic placode, and servo motor installs on the outer wall of extending otic placode and processing platform, and the processing platform is installed on longmen processing machine tool, the longitudinal bar inner wall difference butt of first L pole and second L pole is on the both sides outer wall of processing platform, the mounting groove has transversely been seted up to one side outer wall that the processing platform is close to first L pole, installation rotary rod in the mounting groove, rotary rod wherein one end extends to the processing platform outside, and be connected with servo motor, rotary rod both ends week all is equipped with opposite direction's thread way. This longmen machining center work piece fixing device not only is convenient for fix the pushing down of work piece, prevents to become flexible, has the structure of adjusting position simultaneously, satisfies not unidimensional work piece and uses.

Description

Workpiece fixing device of gantry machining center

Technical Field

The utility model belongs to the technical field of longmen machining center, concretely relates to longmen machining center work piece fixing device.

Background

The gantry machining center is a machining center with the axis of the Z shaft of the main shaft perpendicular to the workbench, the whole structure is a large machining center machine with a portal structure frame consisting of double columns and a top beam, and a cross beam is arranged in the middle of the double columns. The method is particularly suitable for processing large workpieces and workpieces with complex shapes. The worktop of the gantry machining center is substantially rectangular. The large castings such as the workbench, the lathe bed, the upright post, the cross beam, the ram and the like are cast iron or welded parts, the inner cavities of the castings are of honeycomb type composite arrangement structures, the design is advanced, the castings are subjected to aging treatment and secondary tempering treatment, residual internal stress is eliminated, the material quality is stable, the stability of the processing precision of the workpieces is ensured, and the service life of the lathe bed is ensured.

The gantry machining needs to fix the workpiece, the existing fixing structure is single, the workpiece is generally installed through the bolt, but the fixing mode wastes time and labor, and different workpieces cannot be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a longmen machining center work piece fixing device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a longmen machining center work piece fixing device, includes the processing platform and installs respectively in processing platform both sides and be two first L poles and the second L pole of inversion, the longitudinal stem inner wall of first L pole and second L pole butt respectively on the both sides outer wall of processing platform, the processing platform is close to one side outer wall of first L pole and has transversely seted up mounting groove, installs the rotary rod in the mounting groove, and rotary rod both ends week all is equipped with opposite direction's thread way, and the longitudinal stem inner wall of two first L poles passes through the slider respectively with two thread ways adaptation connection, and the transverse stem of second L pole is pegged graft to in the first L pole and fastening connection, all be equipped with locking screw on first L pole and the second L pole, the locking screw bottom is rotated and is connected with briquetting down.

Further preferably, the thread path on the peripheral side of the rotating rod is connected with the slider in a penetrating manner, and the slider is connected in the mounting groove in a sliding manner.

Further preferably, a plurality of threaded holes are formed in the top surfaces of the transverse rods of the first L rod and the second L rod at equal intervals, and the locking screw rods are in adaptive connection with the threaded holes.

Preferably, the top end of the locking screw is fixedly connected with a rotating wheel, and the bottom end of the locking screw is connected with the lower pressing block through a bearing.

Further preferably, a first clamping plate and a second clamping plate are welded to the inner wall of the longitudinal rod of the second L-shaped rod respectively, and the first clamping plate and the second clamping plate are clamped on the outer wall of the machining table.

Further preferably, a positioning ball is embedded in one side face, opposite to the first clamping plate, of the second clamping plate, and the two opposite positioning balls are in friction rolling contact with the outer wall of the machining table.

The utility model discloses a technological effect and advantage:

according to the workpiece fixing device for the gantry machining center, the servo motor drives the rotating rod to rotate in the mounting groove, two thread paths in opposite directions are respectively in adaptive connection with the sliding block and then can drive the two first L rods to move towards or away from each other, meanwhile, the second L rod is inserted into the first L rods and is fixedly connected, so that the workpiece fixing device is suitable for machining tables in different sizes, and the workpiece is pressed and fixed by screwing the locking screw rod to drive the pressing block to press and fix the workpiece;

when the second L-shaped rod slides transversely on the processing table, the positioning balls in the first clamping plate and the second clamping plate are in friction rolling contact with the outer wall of the processing table, so that the second L-shaped rod can move on the processing table and is matched with the first L-shaped rod to move, and the processing efficiency is improved.

Drawings

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

fig. 2 is a schematic structural view of the first L-shaped rod of the present invention;

fig. 3 is a schematic structural view of a second L-shaped rod of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

In the figure: 1. a processing table; 2. a first L-bar; 3. a second L-bar; 4. an extension ear plate; 5. a servo motor; 6. installing a groove; 7. rotating the rod; 8. a thread path; 9. a rotating wheel; 10. a slider; 11. locking the screw rod; 12. pressing the block; 13. a threaded hole; 14. locking the bolt; 15. a first clamping plate; 16. a second clamping plate; 17. positioning the ball; 18. a bearing; 19. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model provides a gantry machining center workpiece fixing device as shown in figures 1-4, which comprises a machining table 1, two first L rods 2 and two second L rods 3 which are respectively arranged at two sides of the machining table 1 and are inverted, an extension ear plate 4 is arranged at one side surface of the machining table 1, a servo motor 5 is arranged on the outer walls of the extension ear plate 4 and the machining table 1, and the machining table 1 is arranged on a gantry machining machine tool;

the inner walls of the longitudinal rods of the first L rod 2 and the second L rod 3 are respectively abutted against the outer walls of two sides of the processing table 1, a mounting groove 6 is transversely formed in the outer wall of one side, close to the first L rod 2, of the processing table 1, a rotating rod 7 is mounted in the mounting groove 6, one end of the rotating rod 7 extends to the outer side of the processing table 1 and is connected with a servo motor 5, and thread teeth 8 in opposite directions are arranged on the peripheral sides of two ends of the rotating rod 7;

limiting rings 19 are arranged at the opposite ends of the two thread paths 8 and on the peripheral side of the rotating rod 7, so that the position of the sliding block 10 can be limited, and the sliding block 10 is prevented from sliding beyond the stroke on the rotating rod 7;

the inner walls of the longitudinal rods of the two first L-shaped rods 2 are respectively in adaptive connection with the two thread ridges 8 through a sliding block 10, and the transverse rods of the second L-shaped rod 3 are inserted into the first L-shaped rods 2 and are fixedly connected with the first L-shaped rods;

the top surfaces of the transverse rods of the first L rod 2 and the second L rod 3 are provided with a plurality of threaded holes 13 at equal intervals, the locking screw rods 11 are in adaptive connection with the threaded holes 13, the top surface of one end of the first L rod 2 is fixedly connected with the second L rod 3 through locking bolts 14, meanwhile, the second L rod 3 can move in the inner cavity of the transverse rod of the first L rod 2, and the position of the second L rod 3 is adjusted, so that the processing tables 1 with different sizes can be used;

and the first L rod 2 and the second L rod 3 are both provided with a locking screw rod 11, and the bottom end of the locking screw rod 11 is rotatably connected with a lower pressing block 12.

The thread path 8 on the peripheral side of the rotating rod 7 is connected with the sliding block 10 in a penetrating manner, the sliding block 10 is connected in the mounting groove 6 in a sliding manner, the top end of the locking screw rod 11 is fixedly connected with the rotating wheel 9, and the bottom end of the locking screw rod 11 is connected with the lower pressing block 12 through the bearing 18.

First grip block 15 and second grip block 16 have been welded respectively to the longitudinal rod inner wall of second L pole 3, and first grip block 15 and the centre gripping of second grip block 16 are on processing platform 1 outer wall, and the roll connection has location ball 17 all to inlay in the relative side of first grip block 15 and second grip block 16, and relative two location ball 17 all with the outer wall friction rolling contact of processing platform 1.

The working principle is as follows:

according to the workpiece fixing device for the gantry machining center, the machining table 1 is arranged on a gantry machining machine tool, a workpiece is placed on the top surface of the machining table 1, the servo motor 5 rotates forwards to drive the rotating rod 7 to rotate in the mounting groove 6, the two opposite thread tooth paths 8 are respectively in adaptive connection with the sliding block 10, and then the two first L rods 2 and the two second L rods 3 can be driven to move oppositely, and the distance between the two first L rods 2 is adjusted;

the servo motor 5 rotates reversely to drive the rotating rod 7 to rotate in the mounting groove 6, and the two opposite thread tooth paths 8 are respectively in adaptive connection with the sliding block 10, so that the two first L-shaped rods 2 and the second L-shaped rod 3 can be driven to move back and forth, and the distance between the two first L-shaped rods 2 is adjusted;

screwing a plurality of rotating wheels 9 to drive a locking screw rod 11 to rotate on the first L rod 2 and the second L rod 3, driving a lower pressing block 12 to lift and lower, pressing and fixing a workpiece, enabling the second L rod 3 to move in an inner cavity of a transverse rod of the first L rod 2, adjusting the position of the second L rod 3, and accordingly meeting the requirements of processing tables 1 with different sizes, wherein the top surface of one end of the first L rod 2 is fixedly connected with the second L rod 3 through a locking bolt 14;

the positioning balls 17 in the first and

second holding plates

15 and 16 are in frictional rolling contact with the outer wall of the processing table 1, and are movable on the processing table 1.

Above, only be the embodiment of the preferred of the utility model, but the scope of protection of the utility model is not limited to this, and any person skilled in the art should be covered within the scope of protection of the utility model in the technical scope disclosed by the utility model, according to the technical scheme of the utility model and the design of the utility model, equivalent replacement or change.

Claims

1. The utility model provides a longmen machining center work piece fixing device, includes processing platform (1) and installs respectively in processing platform (1) both sides and be two first L poles (2) and second L pole (3) of invering, its characterized in that: the inner walls of the longitudinal rods of the first L-shaped rod (2) and the second L-shaped rod (3) are respectively abutted against the outer walls of two sides of the processing table (1), an installation groove (6) is transversely formed in the outer wall of one side, close to the first L-shaped rod (2), of the processing table (1), a rotating rod (7) is installed in the installation groove (6), thread ridges (8) in opposite directions are arranged on the peripheral sides of two ends of the rotating rod (7), one end of the rotating rod (7) extends to the outer side of the processing table (1), and is connected with a servo motor (5), the inner walls of the longitudinal rods of the two first L rods (2) are respectively in adaptive connection with the two thread paths (8) through a sliding block (10), the transverse rods of the second L rod (3) are inserted into the first L rod (2) and are fixedly connected, and the first L rod (2) and the second L rod (3) are both provided with locking screw rods (11), and the bottom ends of the locking screw rods (11) are rotatably connected with lower pressing blocks (12).

2. The gantry machining center workpiece fixing device of claim 1, wherein: the thread tooth path (8) on the peripheral side of the rotating rod (7) is in penetrating connection with the sliding block (10), and the sliding block (10) is in sliding connection in the mounting groove (6).

3. The gantry machining center workpiece fixing device of claim 2, wherein: a plurality of screw holes (13) have been seted up to the equal equidistance of horizontal top of the rod face of first L pole (2) and second L pole (3), locking screw (11) and screw hole (13) adaptation connection.

4. The gantry machining center workpiece fixing device of claim 3, wherein: the top end of the locking screw rod (11) is fixedly connected with a rotating wheel (9), and the bottom end of the locking screw rod (11) is connected with a lower pressing block (12) through a bearing (18).

5. The gantry machining center workpiece fixing device of claim 2, wherein: and a first clamping plate (15) and a second clamping plate (16) are respectively welded on the inner wall of the longitudinal rod of the second L-shaped rod (3), and the first clamping plate (15) and the second clamping plate (16) are clamped on the outer wall of the machining table (1).

6. The gantry machining center workpiece fixing device of claim 5, wherein: the opposite side surfaces of the first clamping plate (15) and the second clamping plate (16) are respectively embedded with positioning balls (17) in a rolling connection mode, and the two opposite positioning balls (17) are in friction rolling contact with the outer wall of the machining table (1).