CN214024697U

CN214024697U - Machining center

Info

Publication number: CN214024697U
Application number: CN202022116714.2U
Authority: CN
Inventors: 王彬
Original assignee: Nantong Shuangyang Machine Tools Co ltd
Current assignee: Nantong Shuangyang Machine Tools Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-08-24
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a machining center, including machining center body and tool changing mechanism, the upside of machining center body is equipped with the portal frame, and is equipped with electric main shaft on the portal frame, electric main shaft's back is equipped with the fixed plate, and electric main shaft passes through slide rail and fixed plate upper and lower sliding connection, the fixed plate passes through guide rail and portal frame horizontal sliding connection, and is equipped with lead screw and servo motor on the fixed plate, the lead screw passes through the bearing frame and is connected with the fixed plate rotation, and the lead screw still passes through screw-nut and is connected with electric spindle drive, servo motor is located the upside of fixed plate. Compare with traditional machining center's cutting mechanism and machining center, the utility model discloses a tool changing mechanism simple structure dismantles, maintains the convenience, and simultaneously through setting up the incision, when waterproof electric main shaft and the striking trouble of carrying the flitch, can play a fine guard action to electric main shaft.

Description

Machining center

Technical Field

The utility model relates to a machining center technical field specifically is a machining center.

Background

The numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technologies of the two are basically the same, and the structures are somewhat similar. The numerical control milling machine is divided into two categories, namely a tool magazine without tool magazine and a tool magazine with tool magazine. Wherein the numerical control milling machine with the tool magazine is also called as a machining center. Machining center's cutting mechanism mainly comprises main shaft machining system and tool changing system two parts, and current machining center tool changing subassembly ubiquitous structure is complicated, the difficult problem of changing, and it does not have crashproof mechanism moreover, and when the system broke down, on the tool changing mechanism was very easily strikeed to motor spindle, if tool changing mechanism department does not have protection machanism, would cause very big destruction for motor spindle.

To this end, we propose a machining center to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machining center to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a machining center comprises a machining center body and a tool changing mechanism, wherein a portal frame is arranged on the upper side of the machining center body, an electric spindle is arranged on the portal frame, a fixing plate is arranged on the back of the electric spindle and is in up-and-down sliding connection with the fixing plate through a slide rail, the fixing plate is in horizontal sliding connection with the portal frame through a guide rail, a lead screw and a servo motor are arranged on the fixing plate, the lead screw is in rotating connection with the fixing plate through a bearing seat and is in transmission connection with the electric spindle through a lead screw nut, the servo motor is arranged on the upper side of the fixing plate, an output shaft of the servo motor is fixedly connected with one end of the lead screw, two supporting plates and one material carrying plate are symmetrically arranged in the middle of the portal frame, a fixing seat is arranged on the upper side of each supporting plate and is in sliding connection with the corresponding supporting plate through a slide groove, a clamping groove is formed in one side of the fixing seat, and the upside of fixing base is equipped with locking bolt, carry the tip of flitch to peg graft in the draw-in groove, and the downside that carries the flitch is equipped with a plurality of incision, the front end that carries the flitch is equipped with a plurality of cutter fixed slot, the back of portal frame is equipped with the support frame, and is equipped with on the support frame and pushes away the material cylinder.

Preferably, the fixing seat is U-shaped, and a T-shaped sliding block is arranged at the bottom of the fixing seat.

Preferably, the locking bolt is in threaded connection with the fixed seat through a thread groove, and one end of the locking bolt penetrates through the fixed seat and abuts against the material carrying plate.

Preferably, the material carrying plate is rectangular, limiting grooves are formed in the end portions of the material carrying plate, and the positions and the number of the limiting grooves correspond to the locking bolts one to one.

Preferably, the cylinder body of the material pushing cylinder is fixed on the support frame through a screw, and the piston rod of the material pushing cylinder is fixedly connected with the material loading plate through a screw.

Preferably, the support frame is L-shaped and is fixed on the portal frame through screws.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up a backup pad that has the fixing base and carry the flitch on the portal frame, it fixes on the fixing base to carry the flitch, can promote through pushing away the material cylinder and carry the flitch activity, and the tool bit is just fixed on carrying the flitch, it is a rectangular plate body to carry the flitch, and the tool bit then is the straight line shape and arranges on carrying the flitch, moreover, the steam generator is simple in structure, it is corresponding, when carrying out the program design, it is also comparatively simple, it passes through locking bolt fastening on the fixing base to carry the flitch, during the dismantlement, directly unscrew locking bolt, then it lifts off to be used for the fixed screw that pushes away material air cylinder piston rod carrying flitch rear portion, just can dismantle carrying the flitch, easy dismounting, be equipped with the incision on carrying the flitch, when the main shaft striking of electric main shaft carries the flitch, it can follow incision department fracture to carry out the effect of protecting to electric main shaft. Compare with traditional machining center's cutting mechanism and machining center, the utility model discloses a tool changing mechanism simple structure dismantles, maintains the convenience, and simultaneously through setting up the incision, when waterproof electric main shaft and the striking trouble of carrying the flitch, can play a fine guard action to electric main shaft.

Drawings

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

FIG. 2 is a top view of the loading plate of the present invention;

fig. 3 is a side view of the tool changing mechanism of the present invention.

In the figure: 1. processing a center body; 2. a gantry; 3. an electric spindle; 4. a fixing plate; 5. a servo motor; 6. a support plate; 7. a material carrying plate; 8. a fixed seat; 9. locking the bolt; 10. cutting; 11. fixing grooves; 12. a support frame; 13. push away material cylinder.

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. 1-3, the utility model provides a machining center, which comprises a machining center body 1 and a tool changing mechanism, wherein a portal frame 2 is arranged on the upper side of the machining center body 1, an electric spindle 3 is arranged on the portal frame 2, a fixing plate 4 is arranged on the back of the electric spindle 3, the electric spindle 3 is connected with the fixing plate 4 in a sliding manner up and down through a slide rail, the fixing plate 4 is connected with the portal frame 2 in a horizontal sliding manner through a guide rail, a screw rod and a servo motor 5 are arranged on the fixing plate 4, the screw rod is connected with the fixing plate 4 in a rotating manner through a bearing seat, the screw rod is also connected with the electric spindle 3 in a transmission manner through a screw rod nut, the servo motor 5 is arranged on the upper side of the fixing plate 4, an output shaft of the servo motor 5 is fixedly connected with one end of the screw rod, two supporting plates 6 and one material carrying, the fixing seat 8 is connected with the supporting plate 6 in a sliding mode through a sliding groove, one side of the fixing seat 8 is provided with a clamping groove, the upper side of the fixing seat 8 is provided with a locking bolt 9, the end portion of the material carrying plate 7 is inserted into the clamping groove, the lower side of the material carrying plate 7 is provided with a plurality of notches 10, the front end of the material carrying plate 7 is provided with a plurality of cutter fixing grooves 11, the back of the portal frame 2 is provided with a supporting frame 12, a material pushing cylinder 13 is arranged on the supporting frame 12, a group of driving motor and a transmission lead screw are horizontally arranged on the portal frame 2, the fixing plate 4 can horizontally move under the driving of the driving motor and the transmission lead screw, a fixing groove corresponding to a piston rod of the material pushing cylinder 13 is arranged at the tail portion of the material carrying plate 7, and when the fixing is carried out, the piston rod of the material pushing cylinder 13 is inserted into the fixing groove.

The fixing seat 8 is U-shaped, a T-shaped sliding block is arranged at the bottom of the fixing seat 8, and a T-shaped sliding groove opposite to the T-shaped sliding block is formed in the supporting plate 6. The locking bolt 9 is in threaded connection with the fixing seat 8 through a thread groove, and one end of the locking bolt 9 penetrates through the fixing seat 8 and abuts against the material loading plate 7. Carry flitch 7 to be the rectangle form, and the tip of carrying flitch 7 is equipped with spacing recess, the position and the quantity of spacing recess and locking bolt 9 one-to-one, spacing recess plays a location and strengthens fixed effect. The cylinder body of the material pushing cylinder 13 is fixed on the support frame 12 through screws, and the piston rod of the material pushing cylinder 13 is fixedly connected with the material loading plate 7 through screws. The support frame 12 is L-shaped, and the support frame 12 is fixed on the portal frame 2 through screws.

In order to better understand the utility model by those skilled in the art, the working process of the utility model is briefly described with reference to the attached drawings: the portal frame 2 is provided with the supporting plate 6 with the fixed seat 8 and the material carrying plate 7, the material carrying plate 7 is fixed on the fixed seat 8, the material carrying plate 7 can be pushed to move by the material pushing cylinder 13, the cutter head is fixed on the material carrying plate 7, the material carrying plate 7 is a rectangular plate body, the cutter head is linearly arranged on the material carrying plate, the structure is simple, the cutter head is corresponding, when the program design is carried out, the process is simpler, the material carrying plate 7 is fixed on the fixed seat 8 through the locking bolt 9, when the material carrying plate is disassembled, the locking bolt 9 is directly unscrewed, then the screw used for fixing the piston rod of the pushing cylinder 13 at the tail part of the material carrying plate 7 is dismounted, the material carrying plate 7 can be dismounted, the dismounting is convenient, the material carrying plate 7 is provided with a notch 10, and when the spindle of the electric spindle 3 impacts the material carrying plate 7, the material carrying plate 7 can be broken from the notch 10, so that the electric spindle 3 is protected.

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 machining center, includes machining center body (1) and tool changing mechanism, its characterized in that: the upper side of the machining center body (1) is provided with a portal frame (2), the portal frame (2) is provided with an electric spindle (3), the back of the electric spindle (3) is provided with a fixing plate (4), the electric spindle (3) is connected with the fixing plate (4) in a vertical sliding mode through a sliding rail, the fixing plate (4) is connected with the portal frame (2) in a horizontal sliding mode through a guide rail, the fixing plate (4) is provided with a lead screw and a servo motor (5), the lead screw is connected with the fixing plate (4) in a rotating mode through a bearing seat and is connected with the electric spindle (3) in a transmission mode through a lead screw nut, the servo motor (5) is located on the upper side of the fixing plate (4), an output shaft of the servo motor (5) is fixedly connected with one end of the lead screw, the middle of the portal frame (2) is symmetrically provided with two supporting plates (6) and one material carrying plate (7), and a fixing seat (8) is arranged on the upper side of the supporting plates (6), fixing base (8) are through spout and backup pad (6) sliding connection, one side of fixing base (8) is equipped with the draw-in groove, and the upside of fixing base (8) is equipped with locking bolt (9), the tip that carries flitch (7) is pegged graft in the draw-in groove, and the downside that carries flitch (7) is equipped with a plurality of incision (10), the front end that carries flitch (7) is equipped with a plurality of cutter fixed slot (11), the back of portal frame (2) is equipped with support frame (12), and is equipped with on support frame (12) and pushes away material cylinder (13).

2. A machining center according to claim 1, characterized in that: the fixing seat (8) is U-shaped, and a T-shaped sliding block is arranged at the bottom of the fixing seat (8).

3. A machining center according to claim 1, characterized in that: the locking bolt (9) is in threaded connection with the fixing seat (8) through a thread groove, and one end of the locking bolt (9) penetrates through the fixing seat (8) and abuts against the material carrying plate (7).

4. A machining center according to claim 1, characterized in that: the material carrying plate (7) is rectangular, limiting grooves are formed in the end portions of the material carrying plate (7), and the positions and the number of the limiting grooves correspond to the locking bolts (9) one by one.

5. A machining center according to claim 1, characterized in that: the cylinder body of the material pushing cylinder (13) is fixed on the support frame (12) through screws, and the piston rod of the material pushing cylinder (13) is fixedly connected with the material carrying plate (7) through screws.

6. A machining center according to claim 1, characterized in that: the support frame (12) is L-shaped, and the support frame (12) is fixed on the portal frame (2) through screws.