CN214351052U

CN214351052U - Numerical control machining center with plate negative pressure fixing device

Info

Publication number: CN214351052U
Application number: CN202023317400.5U
Authority: CN
Inventors: 刘东泊
Original assignee: Sanhe Tongruishengda Machinery Co ltd
Current assignee: Sanhe Tongruishengda Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a numerical control machining center who possesses panel negative pressure fixing device, including unable adjustment base, unable adjustment base's upper end is equipped with the support frame of symmetry form, and the upper end of support frame is fixed with the removal balladeur train of level form to the unable adjustment base top is equipped with the slip track of symmetry form, the top slip of slip track is provided with the work piece fixing base, the rectangle recess has been seted up to work piece fixing base top, and work piece fixing base top rectangle recess internal fixation has the work piece adsorption plate of cavity form to the inside a plurality of cylinder that is equipped with of work piece fixing base. This numerical control machining center that possesses panel negative pressure fixing device is inside to be equipped with the wider negative pressure adsorption structure of area, can be firmly adsorb the below of board type work piece, improves the fixed effect of board type work piece, and the device is equipped with work piece location structure simultaneously, avoids the crooked condition to appear in the in-process of work piece, improves the precision of processing.

Description

Numerical control machining center with plate negative pressure fixing device

Technical Field

The utility model relates to a numerical control machining center technical field specifically is the numerical control machining center who possesses panel negative pressure fixing device.

Background

The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present. The comprehensive processing capacity is strong, a workpiece can finish more processing contents after being clamped once, the processing precision is high, batch workpieces with medium processing difficulty are processed, the efficiency is 5-10 times that of common equipment, especially, the batch processing method can finish processing which cannot be finished by a plurality of common equipment, and the batch processing method is more suitable for single-piece processing or medium-small batch multi-variety production with complex shapes and high precision requirements.

When the conventional numerical control machining center is used for machining a plate-shaped workpiece, the area of the general plate-shaped workpiece is large, so that the surface of the plate-shaped workpiece is prone to tilting in the machining process, meanwhile, the workpiece is prone to tilting, and the machining accuracy is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control machining center who possesses panel negative pressure fixing device to the plate-shaped work piece area that provides in solving the background art is bigger, appears the condition of perk easily on the surface of the in-process plate-shaped work piece of processing like this, and crooked appears easily in the work piece simultaneously, reduces the problem of processing precision.

In order to achieve the above object, the utility model provides a following technical scheme: numerical control machining center who possesses panel negative pressure fixing device, including unable adjustment base, unable adjustment base's upper end is equipped with the support frame of symmetry form, and the upper end of support frame is fixed with the removal balladeur train of level form to the unable adjustment base top is equipped with the slip track of symmetry form, the orbital top of sliding slides and is provided with the work piece fixing base, the rectangle recess has been seted up to work piece fixing base top, and work piece fixing base top rectangle recess internal fixation has the work piece adsorption plate of cavity form to the inside a plurality of cylinder that is equipped with of work piece fixing base, the corresponding opening in position has all been seted up to work piece fixing base and work piece adsorption plate both sides, and has been set up the work piece locating piece above the work piece adsorption plate to the gas guide hole has been seted up to work piece adsorption plate up end face.

Preferably, the gas guide pipe mounting groove that is parallel to each other with the slip track is seted up to unable adjustment base top, and the inside heliciform gas guide pipe that is equipped with of gas guide pipe mounting groove to the one end of gas guide pipe is passed work piece fixing base and is linked together with work piece adsorption plate is inside, the other end of gas guide pipe is connected with the air pump.

Preferably, the number of the cylinders is at least 4, and the cylinders are symmetrically distributed about the center line of the workpiece fixing seat.

Preferably, a screw rod fixing block is fixed at the center of the lower part of the workpiece fixing seat, a threaded hole is formed in the center of the screw rod fixing block, and a transmission screw rod is arranged in the threaded hole in the center of the screw rod fixing block.

Preferably, the lower end of the workpiece positioning block is provided with a rectangular bulge corresponding to the positions of the openings on the workpiece fixing seat and the workpiece adsorption plate, and the lower end of the workpiece positioning block is connected with the cylinder by penetrating through the openings of the workpiece fixing seat and the workpiece adsorption plate.

Preferably, the air guide holes are uniformly distributed on the upper end surface of the workpiece adsorption plate, the upper end of the workpiece adsorption plate is provided with an air guide groove, and the air guide groove is communicated with the inside of the air guide holes.

Compared with the prior art, the beneficial effects of the utility model are that: this numerical control machining center that possesses panel negative pressure fixing device is inside to be equipped with the wider negative pressure adsorption structure of area, can be firmly adsorb the below of board type work piece, improves the fixed effect of board type work piece, and the device is equipped with work piece location structure simultaneously, avoids the crooked condition to appear in the in-process of work piece, improves the precision of processing. The device's unable adjustment base top air duct mounting groove plays the effect that holds the air duct, the air duct is the heliciform simultaneously, the air duct can carry out flexible work along with the removal of work piece fixing base, the condition of damage is difficult to appear to the air duct, and the air duct can be taken out the inside air of work piece adsorption plate, the air guide hole of work piece adsorption plate upper end produces suction like this, and the air guide groove is linked together with the air guide hole is inside, the air guide groove that area of distribution is wider like this can live the absorption of work piece firmly, and work piece locating piece below is equipped with the arch, the protruding cylinder that is connected with the cylinder of work piece locating piece lower extreme, the cylinder can promote the work piece locating piece to remove like this, make the work piece locating piece can live the both sides position restriction of work piece, avoid the crooked condition to appear in the work piece, improve the fixed effect of work piece.

Drawings

FIG. 1 is a schematic view of the structure of a numerical control machining center with a plate negative pressure fixing device of the present invention;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of the numerical control machining center with the plate negative pressure fixing device of the present invention;

FIG. 3 is a top view of the workpiece holder of the NC machining center with the plate negative pressure fixing device of the present invention;

fig. 4 is a side view of the workpiece positioning block of the numerical control machining center with the plate negative pressure fixing device of the present invention.

In the figure: 1. the device comprises a movable sliding frame, 2, a supporting frame, 3, a fixed base, 4, a sliding track, 5, a cylinder, 6, an air guide pipe mounting groove, 7, a screw rod fixed block, 8, a transmission screw rod, 9, an air guide pipe, 10, a workpiece fixed seat, 11, a workpiece positioning block, 12, a workpiece adsorption plate, 13, an air guide groove, 14 and an air guide hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a numerical control machining center with a plate negative pressure fixing device comprises a fixing base 3, a symmetrical support frame 2 is arranged at the upper end of the fixing base 3, a horizontal movable sliding frame 1 is fixed at the upper end of the support frame 2, symmetrical sliding rails 4 are arranged above the fixing base 3, an air guide pipe installation groove 6 parallel to the sliding rails 4 is formed above the fixing base 3, a spiral air guide pipe 9 is arranged inside the air guide pipe installation groove 6, one end of the air guide pipe 9 penetrates through a workpiece fixing seat 10 to be communicated with the inside of a workpiece adsorption plate 12, the other end of the air guide pipe 9 is connected with an air pump, the air guide pipe installation groove 6 of the structure plays a role of accommodating the air guide pipe 9, the air guide pipe 9 is spiral, the air guide pipe 9 is not easy to damage when being stretched, the other end of the air guide pipe 9 is connected with the air pump, and the air pump can pump air inside the workpiece adsorption plate 12 through the air guide pipe 9, the air guide hole 14 on the workpiece adsorption plate 12 generates suction, a workpiece fixing seat 10 is arranged above the sliding track 4 in a sliding manner, a rectangular groove is formed above the workpiece fixing seat 10, a hollow workpiece adsorption plate 12 is fixed in the rectangular groove above the workpiece fixing seat 10, a plurality of air cylinders 5 are arranged in the workpiece fixing seat 10, at least 4 air cylinders 5 are arranged, the air cylinders 5 are symmetrically distributed about the central line of the workpiece fixing seat 10, the air cylinders 5 of the structure are positioned in the fixing base 3, a workpiece positioning block 11 can be driven to move through the air cylinders 5, so that the workpiece positioning block 11 can clamp the two sides of a workpiece on the workpiece adsorption plate 12, a screw rod fixing block 7 is fixed at the lower central part of the workpiece fixing seat 10, a threaded hole is formed at the central part of the screw rod fixing block 7, and a transmission screw rod 8 is arranged in the central threaded hole of the screw rod fixing block 7, the screw rod fixing block 7 below the workpiece fixing seat 10 of the structure plays a role in fixing the transmission screw rod 8, the transmission screw rod 8 can rotate under the driving of equipment such as an external motor, the transmission screw rod 8 can push the screw rod fixing block 7 to move when rotating, so that the workpiece fixing seat 10 is driven to move on the sliding track 4, openings corresponding to the positions are formed in the two sides of the workpiece fixing seat 10 and the two sides of the workpiece adsorption plate 12, a workpiece positioning block 11 is arranged above the workpiece adsorption plate 12, an air guide hole 14 is formed in the upper end face of the workpiece adsorption plate 12, rectangular protrusions corresponding to the positions of the openings in the workpiece fixing seat 10 and the workpiece adsorption plate 12 are arranged at the lower end of the workpiece positioning block 11, the protrusions at the lower end of the workpiece positioning block 11 penetrate through the openings in the workpiece fixing seat 10 and the workpiece adsorption plate 12 to be connected with the air cylinder 5, and the protrusions at the lower end of the workpiece positioning block 11 can penetrate through the openings in the workpiece fixing seat 10 and the workpiece adsorption plate 12 to be connected with the air cylinder 5 Like this, cylinder 5 can control the position of work piece locating piece 11 on work piece adsorption plate 12, make work piece locating piece 11 can block the work piece both sides, air guide hole 14 evenly distributed is at the up end of work piece adsorption plate 12, and work piece adsorption plate 12 upper end has seted up air guide groove 13, and air guide groove 13 is linked together with air guide hole 14 is inside, air guide hole 14 and the inside of air guide groove 13 of this structure are linked together, air guide hole 14 can inhale the air in air guide groove 13 like this, make air guide groove 13 can produce the adsorption effect, adsorb the work piece through air guide groove 13 that the distribution area is wider, increase the fixed effect of work piece.

The working principle is as follows: when the numerical control machining center with the plate negative pressure fixing device is used, firstly, the fixing base 3 of the device is arranged at a proper place, then, a plate-shaped workpiece is placed on the workpiece adsorption plate 12, then, the air cylinder 5 is started, the air cylinder 5 can drive the workpiece positioning block 11 to move, so that the workpiece positioning block 11 can clamp two sides of the workpiece, meanwhile, the air pump connected with the air guide pipe 9 is started, the air pump sucks air in the workpiece adsorption plate 12 through the air guide pipe 9, the air guide groove 13 and the air guide hole 14 on the upper end surface of the workpiece adsorption plate 12 can generate suction, the air guide groove 13 and the air guide hole 14 can adsorb the workpiece, the position of the workpiece is fixed, then, the driving screw rod 8 is driven to rotate through the driving structure, the driving screw rod 8 can drive the screw rod fixing block 7 and the workpiece fixing seat 10 to move on the sliding rail 4, then the workpiece fixing seat 10 can drive the workpiece to move to the lower part of the movable sliding frame 1, the work of machining is performed by moving the machining device on the carriage 1, thereby completing a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Possess panel negative pressure fixing device's numerical control machining center, including unable adjustment base (3), its characterized in that: the upper end of the fixed base (3) is provided with symmetrical support frames (2), the upper end of each support frame (2) is fixed with a horizontal movable sliding frame (1), symmetrical sliding rails (4) are arranged above the fixed base (3), a workpiece fixing seat (10) is arranged above the sliding rails (4) in a sliding manner, a rectangular groove is formed above the workpiece fixing seat (10), a hollow workpiece adsorption plate (12) is fixed in the rectangular groove above the workpiece fixing seat (10), a plurality of air cylinders (5) are arranged in the workpiece fixing seat (10), openings with corresponding positions are arranged on both sides of the workpiece fixing seat (10) and the workpiece adsorption plate (12), and a workpiece positioning block (11) is arranged above the workpiece adsorption plate (12), and the upper end surface of the workpiece adsorption plate (12) is provided with an air guide hole (14).

2. The numerical control machining center with the plate negative pressure fixing device according to claim 1, characterized in that: air duct mounting groove (6) parallel to each other with slip track (4) are seted up to unable adjustment base (3) top, and air duct mounting groove (6) inside is equipped with spiral helicine air duct (9) to the one end of air duct (9) is passed work piece fixing base (10) and is linked together with work piece adsorption plate (12) inside, the other end of air duct (9) is connected with the air pump.

3. The numerical control machining center with the plate negative pressure fixing device according to claim 1, characterized in that: the number of the cylinders (5) is at least 4, and the cylinders (5) are symmetrically distributed around the center line of the workpiece fixing seat (10).

4. The numerical control machining center with the plate negative pressure fixing device according to claim 1, characterized in that: the lower center part of the workpiece fixing seat (10) is fixed with a screw rod fixing block (7), the center part of the screw rod fixing block (7) is provided with a threaded hole, and a transmission screw rod (8) is arranged in the central threaded hole of the screw rod fixing block (7).

5. The numerical control machining center with the plate negative pressure fixing device according to claim 1, characterized in that: the lower end of the workpiece positioning block (11) is provided with a rectangular bulge corresponding to the upper opening positions of the workpiece fixing seat (10) and the workpiece adsorption plate (12), and the lower end bulge of the workpiece positioning block (11) penetrates through the openings of the workpiece fixing seat (10) and the workpiece adsorption plate (12) to be connected with the air cylinder (5).

6. The numerical control machining center with the plate negative pressure fixing device according to claim 1, characterized in that: the air guide holes (14) are uniformly distributed on the upper end face of the workpiece adsorption plate (12), the upper end of the workpiece adsorption plate (12) is provided with an air guide groove (13), and the air guide groove (13) is communicated with the inside of the air guide holes (14).