CN205290390U - Machining center is milled to high -speed boring - Google Patents

Abstract

The utility model provides a high-speed drilling and milling machining center with high efficiency, which includes a spindle box, an exchange table, a base with an X-guiding rail, a saddle with a Y-guiding rail, and a column with a Z-guiding rail; The exchange workbench includes a workbench base and a workbench rotatably arranged above the workbench base. The front and rear ends of the workbench are provided with a tabletop, and the tabletop at the rear end of the workbench is arranged below the headstock; the utility model adopts The rotary table can process the workpiece at one end and clamp the workpiece at the other end, reducing the auxiliary time; the table is connected with the direct drive motor through the connection plate, the corresponding speed is fast, the auxiliary time of the machine tool is reduced, and the processing efficiency of the machine tool is greatly improved; The support frame on the base of the workbench can support the protruding end of the workbench, reduce the deformation of the workbench, and increase the weight of the workpiece that can be processed by the workbench.

Description

High speed drilling and milling machining center

technical field

The utility model relates to the field of machining centers, in particular to a high-speed drilling and milling machining center.

Background technique

Existing drilling and milling machining centers usually have a single worktable structure. The auxiliary actions of clamping and dismounting workpieces on the workbench greatly occupy the processing time of the machine tool, and the processing efficiency of the machine tool is not high.

Utility model content

The purpose of the utility model is to overcome the above disadvantages and provide a high-speed drilling and milling machining center with high efficiency.

In order to achieve the above purpose, the technical solution of the utility model is: a high-speed drilling and milling machining center, including a spindle box, an exchange table, a base with an X-guided guide, a saddle with a Y-guided guide, a Z-guided guide The column; the saddle is slidably arranged on the X-guiding rail, and the X-direction lead screw pair driving the sliding saddle is arranged between the saddle and the base; the column is slidably arranged on the Y-guiding rail, and the column Between the saddle and the Y-direction screw pair that drives the column to slide; the headstock is slidably arranged on the Z guide rail, and the Z-direction screw pair that drives the headstock to slide is arranged between the headstock and the column; The exchange workbench is arranged on the base, and the exchange workbench includes a workbench base and a workbench rotatably arranged above the workbench base, the front and rear ends of the workbench are provided with a table, and the rear end of the workbench The table is arranged under the headstock.

Preferably, a tool magazine is provided in front of the headstock, and the tool magazine is fixed on the column through a fixing frame, and the tool magazine includes a cutter head and a tool changing claw arranged on the cutter head.

Preferably, the base of the workbench is provided with a direct-drive motor, the rotor of the direct-drive motor is fixed with a connection plate, the connection plate is connected to the workbench, and a There is a turntable bearing; the bottom of the workbench is provided with a shaft part, and the turntable bearing includes an outer ring and an inner ring, the outer ring is connected to the base of the workbench, and the inner ring covers the shaft part of the workbench and the upper part of the connection plate .

Preferably, the front and rear sides of the base of the workbench are provided with a support frame; the support frame includes a frame body and two support blocks respectively arranged on the left and right sides of the outer end of the frame, Cam guide bearings that live on the table.

Preferably, the X-direction lead screw pair includes a nut fixed on the saddle and a lead screw arranged on the base, the right end of the lead screw is connected to the servo motor through a coupling, and the left end of the lead screw is passed through the left bearing The seat is connected with the base, and the right end of the screw is connected with the base through the right bearing seat. The right bearing seat includes a bearing fixing seat, two opposite angular thrust contact ball bearings and a gland, and the bearing fixing seat is fixed on the base. , Two angular thrust contact ball bearings are arranged in the shaft hole of the bearing holder in sequence, the outer ring side of the left angular thrust contact ball bearing is against the bearing holder, and the left end of the gland is pressed against the right angular thrust Contacting the outer ring of the ball bearing, the left end of the bearing holder is provided with a circle of grooves, the right end of the gland is provided with a circle of grooves, the left end of the bearing holder is provided with a left labyrinth ring that can be snapped into the groove, The right end of the gland is provided with a right labyrinth ring that can be snapped into its groove. The left end of the left labyrinth ring is against the shaft shoulder of the lead screw, the right end is against the inner ring of the left angular thrust contact ball bearing, and the left end of the right labyrinth ring is A lock nut is arranged on the right side against the inner ring of the thrust contact ball bearing at the right angle, and the lock nut is locked on the screw; the right end of the left bearing seat and the left end of the right bearing seat are provided with buffer pads .

By adopting the above-mentioned technical scheme, the beneficial effects of the utility model are: the utility model adopts a rotary workbench, which can process workpieces at one end and clamp workpieces at the other end, reducing auxiliary time; The speed is fast, which reduces the auxiliary time of the machine tool and greatly improves the processing efficiency of the machine tool; the support frame on the base of the workbench can support the protruding end of the workbench, reduce the deformation of the workbench, and increase the weight of the workpiece that can be processed by the workbench .

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of exchanging workbench;

Fig. 3 is the side view of exchanging workbench;

Fig. 4 is the partial structure schematic diagram of exchanging workbench;

Figure 5 is a schematic diagram of the internal structure of the exchange workbench;

Fig. 6 is a structural schematic diagram of the X-direction screw pair;

Fig. 7 is a partial enlarged view of position A in Fig. 6;

FIG. 8 is a partially enlarged view of position B in FIG. 6 .

Explanation of main reference signs:

Base 1; X guide rail 11; X guide screw pair 12; lead screw 121; nut 122; servo motor 123; 1253; left labyrinth ring 1254; right labyrinth ring 1255; left bearing seat 126; 4; tool magazine 5; exchange table 6; table base 61; table 62; table top 621; support frame 63; frame body 631; support block 632; cam guide bearing 64; connection plate 65; turntable bearing 66; direct drive Formula motor 67; Fixture 7; Buffer pad 8.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1-8, the high-speed drilling and milling machining center of the present invention includes a spindle box 4, an exchange table 6, a base 1 with an X-guiding rail 11, a saddle 2 with a Y-guiding rail 21, a set There is a column 3 with a Z-guiding rail 31; the saddle 2 is slidably arranged on the X-guiding rail 11, and an X-direction lead screw pair 12 for driving the sliding saddle 2 to slide is provided between the saddle 2 and the base 1; The column 3 is slidably arranged on the Y guide rail 21, and a Y-direction screw pair 22 for driving the column 3 to slide is provided between the column 3 and the saddle 2; the headstock 4 is slidably arranged on the Z guide rail 31, so Between the spindle box 4 and the column 3, there is a Z-direction screw pair 32 that drives the spindle box 4 to slide; the exchange table 6 is arranged on the base 1, and the exchange table 6 includes a table base 61 and a Be located at the workbench 62 above the workbench base 61, the front and rear ends of the workbench 62 are provided with a table 621, and the table 621 at the rear end of the workbench 62 is arranged below the spindle box 4; the front of the spindle box 4 is provided with The tool magazine 5 is convenient for the headstock 4 to change tools, and the tool magazine 5 is fixed on the column 3 by the fixing frame 7, and the tool magazine 5 includes a cutter head and a tool changing claw arranged on the cutter head;

The workbench base 61 is provided with a direct-drive motor 67, the rotor of the direct-drive motor 67 is fixed with a connection disc 65, the connection disc 65 is connected with the workbench 62, and the connection disc 65 is connected with the workbench A turntable bearing 66 is provided between the bases 61; a shaft portion is provided at the bottom of the workbench 62, and the turntable bearing 66 includes an outer ring and an inner ring, the outer ring is connected to the workbench base 61, and the inner ring encloses the working The shaft portion of the table 62 and the upper part of the connection plate 65, the transmission is more stable; the front and rear sides of the workbench base 61 are provided with a support frame 63; The support block 632 on the left and right sides of the outer end, the upper end of the support block 632 is provided with a cam guide bearing 64 against the workbench 62; the support frame 63 assists the two ends of the workbench 61;

The X-direction lead screw pair 12 includes a nut 122 fixed on the saddle 2 and a lead screw 121 arranged on the base 1, the right end of the lead screw 121 is connected to the servo motor 123 through a coupling 124, the lead screw The left end of 121 is connected with base 1 through left bearing seat 126, and the right end of described screw 121 is connected with base 1 through right bearing seat 125, and described right bearing seat 126 comprises bearing fixing seat 1251, two opposite angular thrust contacts The ball bearing 1252, the gland 1253, and the bearing fixing seat 1251 are fixed on the base 1, and the two angular thrust contact ball bearings 1252 are arranged in the shaft holes of the bearing fixing seat 1251 in sequence, and the left angular thrust contact ball bearing 1252 is The side of the ring is against the bearing holder 1251, the left end of the gland 1253 presses the outer ring of the angular thrust contact ball bearing 1252 on the right, the left end of the bearing holder 1251 is provided with a circle of grooves, and the right end of the gland 1253 is provided with There is a circle of grooves, the left end of the bearing fixing seat 1251 is provided with a left labyrinth ring 1254 that can be snapped into its groove, and the right end of the gland 1253 is provided with a right labyrinth ring 1255 that can be snapped into its groove. The left end of ring 1254 is against the shaft shoulder of leading screw 121, and the right end is against the inner ring of left angle thrust contact ball bearing 1252, and the left end of right labyrinth ring 1255 is against the inner ring of right angle thrust contact ball bearing 1252. Lock nut 1256, the lock nut 1256 is locked on the leading screw 121, the transmission of the leading screw 121 of this structure is stable, anti-vibration; the right end of the left bearing seat 126, the left end of the right bearing seat 125 are provided with Buffer pad 8, buffer nut 122.

The above is only a preferred embodiment of the utility model, and cannot limit the scope of the utility model implementation. All equal changes and decorations made according to the patent scope of the utility model should still belong to the scope covered by the utility model Inside.

Claims (5)

1. A high-speed drilling and milling machining center, characterized in that it includes a spindle box, an exchange table, a base with an X-guided guide, a saddle with a Y-guided guide, and a column with a Z-guided guide; the saddle slides It is installed on the X-guiding rail, and an X-direction screw pair that drives the sliding saddle to slide is provided between the saddle and the base; the column is slidably arranged on the Y-guiding rail, and a driving The Y-direction screw pair that the column slides; the spindle box is slidably arranged on the Z-guiding rail, and the Z-direction screw pair that drives the spindle box to slide is arranged between the spindle box and the column; the exchange table is set on the base Above, the exchange workbench includes a workbench base and a workbench rotatably arranged above the workbench base, the front and rear ends of the workbench are provided with a table, and the table at the rear end of the workbench is arranged under the headstock. 2. The high-speed drilling and milling machining center according to claim 1, characterized in that: a tool magazine is provided in front of the spindle box, and the tool magazine is fixed on the column through a fixing frame, and the tool magazine includes a cutter head and is arranged on Changing jaws on the cutter head. 3. The high-speed drilling and milling machining center according to claim 1, characterized in that: the base of the workbench is provided with a direct-drive motor, the rotor of the direct-drive motor is fixed with a connection plate, and the connection plate Connected with the workbench, a turntable bearing is provided between the connection plate and the workbench base; a shaft part is provided at the bottom of the workbench, and the turntable bearing includes an outer ring and an inner ring, and the outer ring is connected to the workbench base , the inner ring covers the shaft portion of the workbench and the upper portion of the connection plate. 4. The high-speed drilling and milling machining center according to claim 1, characterized in that: the front and rear sides of the base of the workbench are provided with support frames; The support blocks on the left and right sides, the upper ends of the support blocks are provided with cam guide bearings against the worktable. 5. The high-speed drilling and milling machining center according to claim 1, characterized in that: the X-direction lead screw pair includes a nut fixed on the saddle and a lead screw arranged on the base, and the right end of the lead screw passes through The shaft coupling is connected to the servo motor, the left end of the screw is connected to the base through the left bearing seat, the right end of the screw is connected to the base through the right bearing seat, and the right bearing seat includes a bearing fixing seat, two oppositely arranged The angular thrust contact ball bearing, the gland, and the bearing fixing seat are fixed on the base, and the two angular thrust contact ball bearings are arranged in the shaft hole of the bearing fixing seat in sequence, and the outer ring side of the left angular thrust contact ball bearing Hold the bearing holder, the left end of the gland presses the outer ring of the angular thrust contact ball bearing on the right, the left end of the bearing holder is provided with a circle of grooves, the right end of the gland is provided with a circle of grooves, and the bearing is fixed The left end of the seat is provided with a left labyrinth ring that can be snapped into its groove, and the right end of the gland is provided with a right labyrinth ring that can be snapped into its groove. Hold the inner ring of the left corner thrust contact ball bearing, the left end of the right labyrinth ring is against the inner ring of the right corner thrust contact ball bearing, and a lock nut is arranged on the right, and the lock nut is locked on the lead screw; The right end of the left bearing seat and the left end of the right bearing seat are provided with buffer pads.