CN110340398A - A kind of high-precision borehole machine - Google Patents

Abstract

The present invention discloses a kind of high-precision borehole machine, including pedestal, drilling equipment, clamping device, when carrying out drilling processing to workpiece, workpiece is installed on fixture, when needing to adjust position of the workpiece on the X-Y axis coordinate system of horizontal plane, the position of workpiece in the X-axis direction is adjusted by X-axis trimming assembly, and X-axis sliding seat is locked in X-axis fixing seat by X-axis locking member, the position of workpiece in the Y-axis direction is adjusted by Y-axis trimming assembly, and Y-axis sliding seat is locked in Y-axis fixing seat by Y-axis locking member, positioning repeatedly flexibly can be adjusted to workpiece, so that workpiece is corresponding with the cutter on electro spindle, finally under the action of elevating mechanism, electro spindle is driven to move up and down, complete the drilling processing to workpiece.

Description

A high-precision drilling machine

technical field

The invention relates to the field of machining, in particular to a high-precision drilling machine.

Background technique

Drilling machine refers to the general term for machines and equipment that leave cylindrical holes or holes on the target by means of rotary cutting or rotary extrusion using tools that are harder and sharper than the target. Hole machine, drilling machine, through hole machine, etc. The drilling machine includes a frame drilling device and a clamping device to achieve the desired effect by drilling precision parts. Before drilling the workpieces that are generally required to be drilled, the clamping device is required to clamp the workpieces before drilling. The fixtures on the current clamping device are all fixed, and the position of the workpiece cannot be adjusted. Some drilling machines have an adjustment function, but they can only adjust the workpiece in a single direction. The adjustment accuracy is not high, and it is not convenient. Repeated adjustment and positioning will reduce production efficiency and affect drilling accuracy.

Contents of the invention

The technical problem to be solved by the present invention is to provide a high-precision drilling machine, which can flexibly and repeatedly adjust and position workpieces.

The solution that the present invention solves its technical problem is:

A high-precision drilling machine, including a base, a drilling device, and a clamping device;

The drilling device includes a fixed frame fixed on the base, an electric spindle installed on the fixed frame and a lifting mechanism, the electric spindle is vertically installed on the fixed frame through the lifting mechanism, and the clamping The device is set under the electric spindle;

The clamping device includes a clamp and an adjustment mechanism. The adjustment mechanism includes an X-axis fine-tuning assembly and a Y-axis fine-tuning assembly from top to bottom. The X-axis fine-tuning assembly includes an X-axis sliding seat and The X-axis fixed seat is provided with an X-axis slide rail extending along the X-axis direction on the upper wall of the X-axis fixed seat, and the lower wall of the X-axis slide seat is slidingly connected with the X-axis slide rail. An X-axis telescopic rod and an X-axis locking member are arranged between the X-axis sliding seat and the X-axis fixed seat. The X-axis telescopic rod extends along the X-axis direction and is arranged on the X-axis fixed seat. The X-axis One end of the telescopic rod is in contact with the X-axis sliding seat, and the clamp is installed on the upper wall of the X-axis sliding seat; the Y-axis fine-tuning assembly includes a Y-axis sliding seat and a Y-axis fixing seat arranged up and down, and the The upper wall of the Y-axis fixed seat is provided with a Y-axis slide rail extending along the Y-axis direction, and the lower wall of the Y-axis slide seat is slidingly connected with the Y-axis slide rail. A Y-axis telescopic rod and a Y-axis locking member are arranged between the shaft fixing seats. The Y-axis telescopic rod extends along the Y-axis direction and is arranged on the Y-axis fixing seat. One end of the Y-axis telescopic rod is connected to the Y-axis The sliding seat abuts, the X-axis fixed seat is installed on the Y-axis sliding seat, and the Y-axis fixed seat is installed on the base.

As a further improvement of the above solution, a frame is provided below the base, the frame is fixedly connected to the base, and support legs are installed on the bottom four corners of the frame.

As a further improvement of the above solution, a T-shaped groove is provided on the upper surface of the base, and the T-shaped groove is extended along the Y-axis direction or the X-axis direction, and on the lower wall of the Y-axis fixing seat There is a T-shaped slider matching the T-shaped slot, a locking screw is connected between the T-shaped slider and the Y-axis fixing seat, and the locking screw passes through the Y-axis fixing seat from top to bottom It is threadedly connected with the T-shaped slide block, and the Y-axis fixing seat is slidably connected with the T-shaped slot through the T-shaped slide block.

As a further improvement of the above solution, the fixture includes a four-claw cylinder and a connecting seat, the lower end of the four-claw cylinder is fixedly connected to the connecting seat, and the connecting seat is installed on the upper wall of the X-axis sliding seat.

As a further improvement of the above solution, the X-axis locking member includes an X-axis locking plate fixed on the side of the X-axis fixing seat, and an X-axis locking bolt threaded with the side wall of the X-axis sliding seat. The X-axis locking plate is provided with an X-axis locking groove extending along the X-axis direction, and the inner end of the X-axis locking bolt passes through the X-axis locking groove and is threadedly connected with the X-axis sliding seat;

The Y-axis locking member includes a Y-axis locking plate fixed on the side of the Y-axis fixing seat, a Y-axis locking bolt threaded with the side wall of the Y-axis sliding seat, and the Y-axis locking plate A Y-axis locking groove extending along the Y-axis direction is provided on the top, and the inner end of the Y-axis locking bolt passes through the Y-axis locking groove and is threadedly connected with the Y-axis sliding seat.

As a further improvement of the above scheme, there are two X-axis slide rails, and the two X-axis slide rails are arranged at intervals along the Y-axis direction on the upper wall of the X-axis fixing seat. There are two, and the two Y-axis slide rails are arranged at intervals along the X-axis direction and arranged on the upper wall of the X-axis fixing seat.

As a further improvement of the above solution, the lifting mechanism includes a lifting slide rail vertically arranged on the fixed frame, a lifting plate seat slidably connected with the lifting slide rail, and a lifting drive unit installed on the fixed frame. The electric spindle is fixedly installed on the lifting plate base, and the lifting drive unit is connected with the lifting plate base through transmission.

As a further improvement of the above scheme, there are two lifting slide rails, and the two lifting slide rails are arranged in an indirect arrangement, and a plurality of lifting sliders matching the lifting slide rails are fixedly installed on the lifting plate base , the lifting plate seat is slidingly connected with the lifting slide rail through the lifting slider.

As a further improvement of the above solution, the lifting drive unit includes a servo motor fixedly mounted on the fixed frame, a screw rod mounted vertically rotatably on the fixed frame, and a nut seat threadedly connected with the screw rod. The nut seat is fixedly connected with the lifting plate seat, and the servo motor is connected with the transmission of the screw mandrel.

The beneficial effects of the present invention are: when the workpiece is drilled, the workpiece is mounted on the fixture, and when the position of the workpiece on the X-Y axis coordinate system of the horizontal plane needs to be adjusted, the X-axis fine-tuning assembly is used to adjust the workpiece on the X-axis direction, and lock the X-axis sliding seat on the X-axis fixed seat through the X-axis locking member, adjust the position of the workpiece in the Y-axis direction through the Y-axis fine-tuning assembly, and use the Y-axis locking member to lock the The Y-axis sliding seat is locked on the Y-axis fixed seat, and the workpiece can be adjusted and positioned flexibly and repeatedly, so that the workpiece corresponds to the tool on the electric spindle. Finally, under the action of the lifting mechanism, the electric spindle is driven to move up and down to complete the positioning of the workpiece. Drilling.

The invention is used for drilling.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly describe the drawings that need to be used in the description of the embodiments. Apparently, the described drawings are only some embodiments of the present invention, not all embodiments, and those skilled in the art can obtain other designs and drawings based on these drawings without creative work.

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;

2 is a schematic diagram of a base, a drilling device and a clamping device according to an embodiment of the present invention;

Fig. 3 is the exploded view of the drilling device of the embodiment of the present invention;

Fig. 4 is an exploded view of the clamping device of the embodiment of the present invention.

Detailed ways

The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection/connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the present invention can be combined interactively on the premise of not conflicting with each other.

Referring to Fig. 1 to Fig. 4, this is an embodiment of the present invention, specifically:

A high-precision drilling machine, including a base 100, a drilling device 200, and a clamping device 300;

The drilling device 200 includes a fixed frame 210 fixed on the base 100, an electric spindle 220 mounted on the fixed frame 210 and a lifting mechanism, and the electric spindle 220 is vertically installed on the fixed frame 210 through the lifting mechanism. Above, the clamping device 300 is arranged below the electric spindle 220;

The clamping device 300 includes a clamp and an adjustment mechanism. The adjustment mechanism includes an X-axis fine-tuning assembly 310 and a Y-axis fine-tuning assembly 320 from top to bottom. The X-axis fine-tuning assembly 310 includes an X-axis fine-tuning assembly arranged up and down The shaft sliding seat 311 and the X-axis fixed seat 312 are provided with an X-axis slide rail 313 extending along the X-axis direction on the upper wall of the X-axis fixed seat 312, and the lower wall of the X-axis sliding seat 311 is in contact with the X-axis. The shaft slide rail 313 is slidingly connected, and an X-axis telescopic rod 314 and an X-axis locking member are arranged between the X-axis sliding seat 311 and the X-axis fixed seat 312, and the X-axis telescopic rod 314 is arranged along the X-axis direction. Extended on the X-axis fixed seat 312, one end of the X-axis telescopic rod 314 abuts against the X-axis sliding seat 311, and the described clamp is installed on the upper wall of the X-axis sliding seat 311; the Y-axis fine-tuning The assembly 320 includes a Y-axis sliding seat 321 and a Y-axis fixing seat 322 arranged up and down. On the upper wall of the Y-axis fixing seat 322, a Y-axis slide rail 323 extending along the Y-axis direction, the Y-axis The lower wall of the sliding seat 321 is slidingly connected to the Y-axis slide rail 323, and a Y-axis telescopic rod 324 and a Y-axis locking member are arranged between the Y-axis sliding seat 321 and the Y-axis fixing seat 322. The telescopic rod 324 extends along the Y-axis direction and is installed on the Y-axis fixed seat 322. One end of the Y-axis telescopic rod 324 abuts against the Y-axis sliding seat 321, and the X-axis fixed seat 312 is mounted on the Y-axis sliding seat 321. On the seat 321, the Y-axis fixed seat 322 is installed on the base 100, and the Y-axis telescopic rod 324 and the X-axis telescopic rod 314 are preferably micrometer knobs, in order to improve the accuracy of adjustment and realize fine-tuning of the workpiece.

When the workpiece is drilled, the workpiece is installed on the fixture. When the position of the workpiece on the X-Y axis coordinate system of the horizontal plane needs to be adjusted, the X-axis fine-tuning assembly 310 is used to adjust the position of the workpiece in the X-axis direction. The X-axis sliding seat 311 is pushed to move along the X-axis slide rail 313 through the X-axis telescopic rod 314, thereby driving the fixture and the workpiece to move in the X-axis direction, and when they are moved to a suitable position, the X-axis locking member Lock the X-axis sliding seat 311 on the X-axis fixed seat 312, adjust the position of the workpiece in the Y-axis direction through the Y-axis fine-tuning assembly 320, mainly push the Y-axis sliding seat 321 along the Y axis through the Y-axis telescopic rod 324 The axis sliding rail 323 moves, thereby driving the fixture, the workpiece and the X-axis fine-tuning assembly 310 to move in the Y-axis direction, and when the workpiece moves to a suitable position, the Y-axis sliding seat 321 is locked on the Y-axis through the Y-axis locking member. On the Y-axis fixing seat 322, the workpiece corresponds to the tool on the electric spindle 220. Finally, under the action of the lifting mechanism, the electric spindle 220 is driven to move up and down to complete the drilling process of the workpiece, so that the workpiece can be adjusted and positioned flexibly and repeatedly. , Improve the accuracy and efficiency of drilling.

Further as a preferred embodiment, a frame 400 is provided below the base 100, the frame 400 is fixedly connected to the base 100, and support feet are installed on the four corners of the bottom of the frame 400 410. It can facilitate the operation of workers and reduce labor intensity.

Further as a preferred embodiment, a T-shaped slot 110 is provided on the upper surface of the base 100, and the T-shaped slot 110 is extended along the Y-axis direction or the X-axis direction. The lower wall of 322 is provided with a T-shaped slider 120 matching the T-shaped groove 110, and a locking screw 121 is connected between the T-shaped slider 120 and the Y-axis fixing seat 322, and the locking screw 121 is connected from After passing through the Y-axis fixing seat 322 from top to bottom, it is threadedly connected with the T-shaped slider 120 , and the Y-axis fixing seat 322 is slidably connected with the T-shaped slot 110 through the T-shaped slider 120 . At the same time, the Y-axis fixing seat 322 can slide along the T-shaped groove 110 to realize the coarse adjustment of the workpiece. Tightly on the T-shaped slot 110 to realize the fixing of the Y-axis fixing seat 322 .

Further as a preferred embodiment, the clamp includes a four-claw cylinder 330 and a connecting seat 331, the lower end of the four-claw cylinder 330 is fixedly connected to the connecting seat 331, and the connecting seat 331 is installed on the X-axis sliding seat 311 of the upper wall. The workpiece is clamped by the four-jaw cylinder 330, which can improve the stability of clamping the workpiece, and improve the efficiency, and realize the clamping of the workpiece through the cylinder.

Further as a preferred embodiment, the X-axis locking member includes an X-axis locking plate 315 fixed on the side of the X-axis fixing seat 312, and an X-axis locking bolt threadedly connected to the side wall of the X-axis sliding seat 311 316, the X-axis locking plate 315 is provided with an X-axis locking groove 317 extending along the X-axis direction, and the inner end of the X-axis locking bolt 316 passes through the X-axis locking groove 317 and the X-axis locking groove 317. The shaft sliding seat 311 is threaded. After adjusting the position of the X-axis sliding seat 311, the X-axis locking bolt 316 can be tightened to clamp the X-axis locking plate 315 to realize the X-axis sliding seat 311 and the X-axis fixing seat 312. The lock between them is fixed.

The Y-axis locking member includes a Y-axis locking plate 325 fixed on the side of the Y-axis fixing seat 322, and a Y-axis locking bolt 326 threadedly connected to the side wall of the Y-axis sliding seat 321. The shaft locking plate 325 is provided with a Y-axis locking groove 327 extending along the Y-axis direction, and the inner end of the Y-axis locking bolt 326 passes through the Y-axis locking groove 327 and is threadedly connected with the Y-axis sliding seat 321 . The operation mode of locking and releasing the Y-axis sliding seat 321 is the same as above.

Further as a preferred embodiment, two X-axis slide rails 313 are provided, and the two X-axis slide rails 313 are arranged at intervals along the Y-axis direction on the upper wall of the X-axis fixing seat 312. There are two slide rails 313 , and the two Y-axis slide rails 323 are arranged at intervals along the X-axis direction on the upper wall of the X-axis fixing base 312 . The two X-axis sliding rails 313 and the two Y-axis sliding rails 323 can respectively improve the sliding precision of the X-axis sliding seat 311 and the Y-axis sliding seat 321 , and also improve the overall structural strength of the clamping device 300 .

Further as a preferred embodiment, the lifting mechanism includes a lifting slide rail 230 vertically arranged on the fixed frame 210, a lifting plate base 240 slidingly connected with the lifting slide rail 230, a lifting drive installed on the fixed frame 210 unit, the electric spindle 220 is fixedly installed on the lifting plate base 240, the lifting drive unit is connected with the lifting plate base 240, and the lifting drive unit includes a servo motor 250 fixedly installed on the fixed frame 210, The screw mandrel 260 that is vertically rotatably installed on the fixed frame 210, the nut seat 270 threadedly connected with the screw mandrel 260, the described nut seat 270 is fixedly connected with the lifting plate seat 240, the described servo motor 250 is connected with the screw mandrel 260 transmission connection. During drilling, the servo motor 250 drives the screw mandrel 260 to rotate, and the screw mandrel 260 drives the lifting plate base 240 to move up and down through the nut seat 270, and then drives the electric spindle 220 to move up and down to realize the drilling process to the workpiece.

Further as a preferred embodiment, the described lifting slide rails 230 are provided with two, and the two lifting slide rails 230 are arranged in an indirect arrangement. The lifting slider 241, the lifting plate seat 240 is slidably connected with the lifting slide rail 230 through the lifting slider 241. This can improve the stability of the lifting plate base 240 moving up and down, thereby improving the precision of drilling.

The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent modifications or replacements without departing from the spirit of the present invention. Equivalent modifications or replacements are all included within the scope defined by the claims of the present application.

Claims (9)

1. A high-precision drilling machine, characterized in that: comprising a base (100), a drilling device (200), and a clamping device (300); The drilling device (200) includes a fixed frame (210) fixed on the base (100), an electric spindle (220) and a lifting mechanism installed on the fixed frame (210), and the electric spindle (220 ) is vertically installed on the fixed frame (210) through the lifting mechanism, and the clamping device (300) is arranged below the electric spindle (220); The clamping device (300) includes a clamp and an adjustment mechanism, and the adjustment mechanism includes an X-axis fine-tuning assembly (310) and a Y-axis fine-tuning assembly (320) from top to bottom, and the X-axis fine-tuning assembly ( 310) includes an X-axis sliding seat (311) and an X-axis fixing seat (312) arranged up and down, and an X-axis slide rail ( 313), the lower wall of the X-axis sliding seat (311) is slidingly connected with the X-axis slide rail (313), and a The X-axis telescopic rod (314) and the X-axis locking member, the X-axis telescopic rod (314) is extended along the X-axis direction and arranged on the X-axis fixing seat (312), and the X-axis telescopic rod (314) One end abuts against the X-axis sliding seat (311), and the clamp is installed on the upper wall of the X-axis sliding seat (311); the Y-axis fine-tuning assembly (320) includes a Y-axis sliding seat ( 321) and the Y-axis fixed seat (322), the upper wall of the Y-axis fixed seat (322) is provided with a Y-axis slide rail (323) extending along the Y-axis direction, and the Y-axis sliding seat (321 ) is slidingly connected with the Y-axis slide rail (323), and a Y-axis telescopic rod (324) and a Y-axis locking member, the Y-axis telescopic rod (324) extends along the Y-axis direction and is installed on the Y-axis fixed seat (322), and one end of the Y-axis telescopic rod (324) abuts against the Y-axis sliding seat (321) , the X-axis fixing base (312) is installed on the Y-axis sliding base (321), and the Y-axis fixing base (322) is installed on the base (100). 2. A high-precision drilling machine according to claim 1, characterized in that: a frame (400) is provided under the base (100), and the frame (400) is connected to the base The seat (100) is fixedly connected, and support feet (410) are installed on the four corners of the bottom of the frame (400). 3. A high-precision drilling machine according to claim 1, characterized in that: a T-shaped slot (110) is provided on the upper surface of the base (100), and the T-shaped slot (110) ) is extended along the Y-axis direction or the X-axis direction, and a T-shaped slide block (120) matching the T-shaped groove (110) is provided on the lower wall of the Y-axis fixed seat (322). A locking screw (121) is connected between the slide block (120) and the Y-axis fixing seat (322), and the locking screw (121) passes through the Y-axis fixing seat (322) from top to bottom and connects with the T-shaped The slide block (120) is threaded, and the Y-axis fixing seat (322) is slidingly connected with the T-shaped slot (110) through the T-shaped slide block (120). 4. A high-precision drilling machine according to claim 1, characterized in that: the clamp includes a four-claw cylinder (330) and a connecting seat (331), and the lower end of the four-claw cylinder (330) It is fixedly connected with the connecting seat (331), and the described connecting seat (331) is installed on the upper wall surface of the X-axis sliding seat (311). 5. A high-precision drilling machine according to claim 1, characterized in that: the X-axis locking member includes an X-axis locking plate (315) fixed on the side of the X-axis fixing seat (312) ), the X-axis locking bolt (316) that is threadedly connected with the side wall of the X-axis sliding seat (311), and the X-axis locking groove extending along the X-axis direction is provided on the described X-axis locking plate (315) (317), the inner end of the X-axis locking bolt (316) passes through the X-axis locking groove (317) and is threadedly connected with the X-axis sliding seat (311); The Y-axis locking member includes a Y-axis locking plate (325) fixed on the side of the Y-axis fixing seat (322), a Y-axis locking bolt ( 326), the Y-axis locking plate (325) is provided with a Y-axis locking groove (327) extending along the Y-axis direction, and the inner end of the Y-axis locking bolt (326) passes through The Y-axis locking groove (327) is threadedly connected with the Y-axis sliding seat (321). 6. A high-precision drilling machine according to claim 1, characterized in that: two X-axis slide rails (313) are provided, and the two X-axis slide rails (313) are arranged along the Y-axis direction. The upper wall of the X-axis fixed seat (312) is arranged at intervals, and the X-axis slide rails (313) are provided with two, and the two Y-axis slide rails (323) are arranged at intervals along the X-axis direction and arranged on the X-axis The upper wall of the fixed seat (312). 7. A high-precision drilling machine according to claim 1, characterized in that: the lifting mechanism includes a lifting slide rail (230) vertically arranged on the fixed frame (210), and a lifting slide rail (230) the lifting plate seat (240) slidingly connected, the lifting drive unit installed on the fixed frame (210), the electric spindle (220) is fixedly installed on the lifting plate seat (240), the lifting drive unit The unit is connected with the lifting plate base (240) transmission. 8. A high-precision drilling machine according to claim 7, characterized in that: two lifting slide rails (230) are provided, and the two lifting slide rails (230) are arranged in an indirect arrangement. A plurality of lifting sliders (241) matching the lifting slide rails (230) are fixedly installed on the lifting plate base (240), and the lifting plate base (240) passes through the lifting sliders (241) and the lifting slide rails. (230) Sliding connection. 9. A high-precision drilling machine according to claim 7, characterized in that: the lifting drive unit includes a servo motor (250) fixedly mounted on the fixed frame (210), which is vertically rotatable The screw mandrel (260) on the fixed frame (210), the nut seat (270) threadedly connected with the screw mandrel (260), the described nut seat (270) is fixedly connected with the lifting plate seat (240), and the described The transmission connection of the servo motor (250) and the screw mandrel (260).