CN220718511U

CN220718511U - Drilling device for machining automobile die

Info

Publication number: CN220718511U
Application number: CN202322100617.8U
Authority: CN
Inventors: 田俊; 曾爱国; 刘波; 张向荣
Original assignee: Wuhan Guorong Zhenyu Precision Manufacturing Co ltd
Current assignee: Wuhan Guorong Zhenyu Precision Manufacturing Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-04-05
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a drilling device for processing an automobile die, which comprises a base and supporting plates arranged on two sides of the base, wherein an L-shaped fixing seat is arranged above the supporting plates; a transverse translation assembly is arranged above the L-shaped fixed seat bottom plate, and the transverse translation assembly is in sliding connection with the L-shaped fixed seat; the upper end of the transverse translation assembly is provided with a '' -shaped supporting beam, wherein a '' -shaped supporting beam is provided with a lifting assembly, and the front end of the lifting assembly is provided with a drilling assembly; the vertical translation subassembly is equipped with below the base, and wherein the base top is equipped with the displacement dish. The drilling assembly is driven to move up and down above the displacement disc through the lifting assembly, and the distance between the drilling assembly and the automobile die is adjusted; the drilling assembly is driven to transversely move back and forth above the displacement disc through the transverse translation assembly, the displacement disc is driven to longitudinally move back and forth through the cooperation of the longitudinal translation assembly, and then the drilling assembly can accurately open holes at any position of the automobile die, so that the drilling efficiency is greatly improved.

Description

Drilling device for machining automobile die

Technical Field

The utility model relates to the technical field of automobile die machining, in particular to a drilling device for automobile die machining.

Background

The automobile die is a die for punching all stamping parts on an automobile body in a narrow sense. Namely, an "automobile body stamping die". For example, roof flanging dies, beam reinforcement plate stamping dies, etc., the most prominent component of automotive dies is the cover die. The automobile mould needs to be perforated by the drilling device in the production process so that auxiliary devices for matching, mounting and using are better aligned among the moulds, and the auxiliary devices are widely used in the field of mould processing and production.

But current drilling equipment for automobile mold production needs the manual control to accomplish the pay-off, and is comparatively troublesome on fixed and displacement, is difficult to carry out comparatively accurate quick drilling to specific position when drilling, causes the mould to damage easily when serious, and then has influenced the drilling efficiency to automobile mold.

Disclosure of Invention

The utility model aims to provide a drilling device for processing an automobile die, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the drilling device for machining the automobile die comprises a base and supporting plates arranged on two sides of the base, wherein an L-shaped fixing seat is arranged above the supporting plates; the upper end of the inner side of the supporting plate is provided with a step mounting groove, wherein the two sides of the bottom plate of the L-shaped fixing seat are fixedly connected with the step mounting groove respectively; a transverse translation assembly is arranged above the L-shaped fixed seat bottom plate, and the transverse translation assembly is in sliding connection with the L-shaped fixed seat; the upper end of the transverse translation assembly is provided with a '' -shaped supporting beam, wherein a '' -shaped supporting beam is provided with a lifting assembly, and the front end of the lifting assembly is provided with a drilling assembly; the vertical translation subassembly is equipped with to the base below, and wherein the base top is equipped with the displacement dish, and this displacement dish is connected with vertical translation subassembly fixed.

Preferably, the transverse translation assembly comprises a first servo motor and a first lead screw, wherein the first lead screw is arranged below the first servo motor; the first servo motor is fixedly connected with the L-shaped fixed seat side plate through a first motor mounting plate, and a first driving belt pulley is arranged on an output shaft of the first servo motor; the two ends of the first screw rod are respectively and rotatably connected with a first bearing seat, wherein the first bearing seat is fixedly connected with an L-shaped fixed seat bottom plate; one end, close to the first servo motor, of the first lead screw penetrates through the first bearing seat and extends outwards, and the extending end of the first lead screw is fixedly connected with a first driven belt pulley; the first driving belt pulley is in transmission connection with the first driven belt pulley through a first belt.

Preferably, a first screw nut seat is sleeved on the outer wall of the first screw, wherein the first screw nut seat is fixedly connected with a -type supporting beam; one end of the first screw nut seat is in threaded connection with the first screw, and a first sliding block is arranged below one end, far away from the first screw, of the first screw nut seat; the L-shaped fixing seat bottom plate is provided with a first sliding rail, wherein the first sliding block is arranged on the first sliding rail and is in sliding connection with the first sliding rail.

Preferably, the lifting assembly comprises a second servo motor and a second screw rod, wherein the second servo motor is arranged behind the upper end of the support beam; the second servo motor is fixedly connected with a type supporting beam through a second motor mounting plate, and a second driving belt pulley is arranged on an output shaft of the second servo motor; the second screw rod is vertically arranged, the bottom end of the second screw rod is rotationally connected with the first screw rod nut seat, and the top end of the second screw rod is rotationally connected with the upper end of the -type support beam; the top end of the second lead screw penetrates through the upper end of the support beam and extends outwards, and a second driven belt pulley is arranged at the top end of the second lead screw; the second driving belt pulley and the second driven belt pulley are positioned at the same horizontal height, and the second driving belt pulley is in transmission connection with the second driven belt pulley through a second belt.

Preferably, the outer wall of the second screw rod is sleeved with a second screw rod nut seat, and the second screw rod nut seat is connected with the drilling assembly; one end of the second screw nut seat is in threaded connection with the second screw, and a second sliding block is arranged at one end, far away from the second screw, of the second screw nut seat; the rear part of the type supporting beam is provided with a second sliding rail, the upper end of the second sliding rail is fixedly connected with the top end of the type supporting beam, and the lower end of the second sliding rail is fixedly connected with the first screw nut seat; the second sliding block is arranged on the second sliding rail, and the second sliding block is in sliding connection with the second sliding rail.

Preferably, the longitudinal translation assembly comprises a third servo motor and a third screw rod, wherein the third screw rod is arranged side by side with the third servo motor; the third servo motor is fixedly connected with the bottom of the base through a third motor mounting plate, and a third driving belt pulley is arranged on an output shaft of the third servo motor; two ends of the third screw rod are respectively and rotatably connected with a second bearing seat, wherein the second bearing seat is respectively and fixedly connected with the bottom of the base; one end of the third lead screw, which is close to the third servo motor, penetrates through the second bearing and extends forwards, and the extending end of the third lead screw is fixedly connected with a third driven belt pulley; the third driving belt pulley is in transmission connection with the third driven belt pulley through a third belt.

Preferably, a third screw nut seat is sleeved on the outer wall of the third screw, and two connecting blocks are symmetrically arranged at the upper end of the third screw nut seat; the base is provided with a strip sliding hole opposite to the connecting block, wherein the connecting block upwards penetrates through the strip sliding hole and is fixedly connected with the bottom of the displacement disc.

Preferably, a plurality of sliding grooves are formed in the upper end face of the displacement disc, and clamping sliding blocks are arranged in the sliding grooves.

Preferably, the drilling assembly comprises a rotary motor, a rotating shaft and a main drill bit, wherein the rotary motor is arranged in front of the second screw nut seat; the rotating motor is fixedly connected with the second screw nut seat through a fourth motor mounting plate, and a fourth driving belt pulley is arranged on an output shaft of the rotating motor; the second screw nut seat is vertically provided with a first through hole, and the rotating shaft penetrates through the first through hole and is rotationally connected with the second screw nut seat; the upper end of the rotating shaft is provided with a fourth driven belt pulley, and the fourth driven belt pulley is in transmission connection with a fourth driving belt pulley through a fourth belt; the lower end of the rotating shaft is provided with a main drill bit, wherein the main drill bit is detachably connected with the rotating shaft.

Preferably, a second through hole is formed in the middle of the first screw nut seat, wherein the second through hole is arranged corresponding to the first through hole; the L-shaped fixing seat bottom plate is provided with a strip hole, wherein the strip hole is correspondingly arranged with the second through hole; the lower end of the rotating shaft sequentially penetrates through the second through hole and the strip hole downwards.

Preferably, a dust cover is arranged on the outer side of the L-shaped fixing seat, and a heat dissipation vent is respectively formed in the top end and the rear end of the dust cover.

Compared with the prior art, the utility model has the beneficial effects that: the automobile die to be drilled can be clamped and fixed through the clamping sliding blocks arranged on the displacement disc, so that displacement deviation is not easy to occur during drilling; the lifting assembly is convenient to drive the drilling assembly to move up and down above the displacement disc by arranging the lifting assembly, so that the distance between the drilling assembly and the automobile die is adjusted, and the drilling assembly can conveniently and accurately open holes on the automobile die; through setting up horizontal translation subassembly drive drilling subassembly and transversely make a round trip to move in displacement dish top, the vertical round trip movement of cooperation longitudinal translation subassembly drive displacement dish simultaneously, and then make drilling subassembly can carry out accurate trompil to vapour turning mold utensil optional position, effectively increased drilling equipment's flexibility, greatly reduced the operation degree of difficulty, drilling efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the construction of the mounting dust cap of the present utility model;

FIG. 3 is a schematic view of the connection of the lateral translation assembly and the lifting assembly of the present utility model;

FIG. 4 is a schematic view of the structure shown in FIG. 3 at A;

FIG. 5 is a schematic view of the transverse translation assembly of the present utility model;

FIG. 6 is a schematic view of the structure of the drilling assembly of the present utility model;

FIG. 7 is a schematic view of the connection of the spindle to the second screw nut mount of the present utility model;

fig. 8 is a schematic view of the structure of the longitudinal translation assembly of the present utility model.

Wherein: 1. a base; 2. a support plate; 3. an L-shaped fixing seat; 4. a dust cover; 5. a step mounting groove; 6. a lateral translation assembly; 601. a first servo motor; 602. a first lead screw; 603. a first motor mounting plate; 604. a first drive pulley; 605. a first bearing seat; 606. a first driven pulley; 607. a first belt; 608. the first lead screw nut seat; 609. a first slider; 610. a first slide rail; 7. a lifting assembly; 701. a second servo motor; 702. a second lead screw; 703. a second motor mounting plate; 704. a second drive pulley; 705. a second driven pulley; 706. a second belt; 707. the second screw nut seat; 708. a second slider; 709. a second slide rail; 8. a drilling assembly; 801. a rotating electric machine; 802. a rotating shaft; 803. a main drill bit; 804. a fourth motor mounting plate; 805. a fourth drive pulley; 806. a fourth driven pulley; 807. a fourth belt; 9. a longitudinal translation assembly; 901. a third servo motor; 902. a third lead screw; 903. a third motor mounting plate; 904. a third drive pulley; 905. a second bearing seat; 906. a third driven pulley; 907. a third belt; 908. a third screw nut seat; 909. a connecting block; 10. a "" type support beam; 11. a displacement plate; 12. a chute; 13. clamping a sliding block; 14. a long strip slide hole; 15. a first through hole; 16. a second through hole; 17. and (5) a strip hole.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 8 in combination, a drilling device for machining an automobile mold comprises a base 1 and support plates 2 arranged on two sides of the base 1, wherein an L-shaped fixing seat 3 is arranged above the support plates 2; the outer side of the L-shaped fixing seat 3 is provided with a dust cover 4, wherein the top end and the rear end of the dust cover 4 are respectively provided with a heat dissipation vent; the upper end of the inner side of the supporting plate 2 is provided with a step mounting groove 5, wherein the two sides of the bottom plate of the L-shaped fixing seat 3 are respectively fixedly connected with the step mounting groove 5; a transverse translation assembly 6 is arranged above the bottom plate of the L-shaped fixed seat 3, wherein the transverse translation assembly 6 is in sliding connection with the L-shaped fixed seat 3; the upper end of the transverse translation assembly 6 is provided with a '' -shaped supporting beam 10, wherein the '' -shaped supporting beam 10 is provided with a lifting assembly 7, and the front end of the lifting assembly 7 is provided with a drilling assembly 8; a longitudinal translation assembly 9 is arranged below the base 1, wherein a displacement disc 11 is arranged above the base 1, and the displacement disc 11 is fixedly connected with the longitudinal translation assembly 9; the upper end face of the displacement disc 11 is provided with a plurality of sliding grooves 12, wherein clamping sliding blocks 13 are arranged in the sliding grooves 12. The clamping slide block 13 arranged on the displacement disc 11 is used for clamping and fixing the automobile die to be drilled, so that displacement deviation is not easy to occur during drilling; the drilling assembly 8 is driven to move up and down above the displacement disc 11 through the lifting assembly 7, the distance between the drilling assembly 8 and the automobile die is adjusted, and accurate punching of the drilling assembly 8 on the automobile die is facilitated; the drilling assembly 8 is driven to transversely move back and forth above the displacement disc 11 through the transverse translation assembly 6, and meanwhile, the longitudinal translation assembly 9 is matched to drive the displacement disc 11 to longitudinally move back and forth, so that the drilling assembly 8 can accurately drill holes at any position of an automobile die, and drilling efficiency is improved.

Referring to fig. 3 to 5 in combination, as an embodiment of the present utility model, the lateral translation assembly 6 includes a first servo motor 601 and a first screw 602, wherein the first screw 602 is disposed below the first servo motor 601; the first servo motor 601 is fixedly connected with the side plate of the L-shaped fixed seat 3 through a first motor mounting plate 603, wherein a first driving belt pulley 604 is arranged on an output shaft of the first servo motor 601; the two ends of the first screw rod 602 are respectively and rotatably connected with a first bearing seat 605, wherein the first bearing seat 605 is fixedly connected with the bottom plate of the L-shaped fixed seat 3; one end of the first lead screw 602, which is close to the first servo motor 601, penetrates through the first bearing seat 605 and extends outwards, wherein the extending end of the first lead screw 602 is fixedly connected with a first driven pulley 606; the first driving pulley 604 is in driving connection with a first driven pulley 606 by a first belt 607; the outer wall of the first screw rod 602 is sleeved with a first screw rod nut seat 608, wherein the first screw rod nut seat 608 is fixedly connected with the support beam 10; one end of the first screw nut seat 608 is in threaded connection with the first screw 602, wherein a first sliding block 609 is arranged below one end of the first screw nut seat 608 away from the first screw 602; the bottom plate of the L-shaped fixing seat 3 is provided with a first sliding rail 610, wherein the first sliding block 609 is arranged on the first sliding rail 610 and is in sliding connection with the first sliding rail 610.

In the above-mentioned scheme, the first servo motor 601 drives the first driving pulley 604 to rotate, so that the first driving pulley 604 drives the first driven pulley 606 to rotate through the first belt 607, and the first driven pulley 606 drives the first screw 602 to rotate, and the first screw nut seat 608 is driven by the first screw 602 to horizontally move along the axial direction of the first screw 602; in the process of the transverse movement of the first screw nut seat 608, the first sliding block 609 arranged at the lower end of the first screw nut seat 608 slides linearly along the first sliding rail 610, wherein the first sliding rail 610 provides guiding and limiting effects for the transverse movement of the first screw nut seat 608, and is used for improving the stability of the first screw nut seat 608 in driving the drilling assembly 8 to transversely move back and forth above the displacement disc 11, so that the drilling assembly 8 can accurately drill holes on an automobile die, and the flexibility of the drilling device is improved.

Referring to fig. 4 and 6 in combination, as an embodiment of the present utility model, the lifting assembly 7 includes a second servo motor 701 and a second screw 702, wherein the second servo motor 701 is disposed behind the upper end of the "" type support beam 10; the second servo motor 701 is fixedly connected with the '' -type support beam 10 through a second motor mounting plate 703, wherein the output shaft of the second servo motor 701 is provided with a second driving belt pulley 704; the second screw rod 702 is vertically arranged, wherein the bottom end of the second screw rod 702 is rotationally connected with the first screw rod nut seat 608, and the top end of the second screw rod 702 is rotationally connected with the upper end of the type support beam 10; the top end of the second lead screw 702 penetrates through the upper end of the support beam 10 and extends outwards, wherein the top end of the second lead screw 702 is provided with a second driven pulley 705; the second driving pulley 704 is positioned at the same level as the second driven pulley 705, wherein the second driving pulley 704 is in driving connection with the second driven pulley 705 by a second belt 706; the outer wall of the second screw 702 is sleeved with a second screw nut seat 707, wherein the second screw nut seat 707 is connected with the drilling assembly 8; one end of the second screw nut seat 707 is in threaded connection with the second screw 702, wherein a second slider 708 is arranged at one end of the second screw nut seat 707 away from the second screw 702; a second sliding rail 709 is arranged behind the type supporting beam 10, wherein the upper end of the second sliding rail 709 is fixedly connected with the top end of the type supporting beam 10, and the lower end of the second sliding rail 709 is fixedly connected with the first screw nut seat 608; second slider 708 is disposed on second slide 709, wherein second slider 708 is slidably coupled to second slide 709.

In the above-mentioned scheme, the second servo motor 701 drives the second driving pulley 704 to rotate, so that the second driving pulley 704 drives the second driven pulley 705 to rotate through the second belt 706, and further the second driven pulley 705 drives the second screw 702 to rotate, and the second screw nut seat 707 is driven by the second screw 702 to move up and down along the vertical direction of the second screw 702; in the process of the up-and-down movement of the second lead screw nut seat 707, the second sliding block 708 arranged at the rear end of the second lead screw nut seat 707 vertically slides along the second sliding rail 709, wherein the second sliding rail 709 and the second sliding block 708 are matched to provide guiding and limiting functions for the up-and-down movement of the second lead screw nut seat 707, and the guiding and limiting functions are used for improving the stability of the second lead screw nut seat 707 in driving the drilling assembly 8 to vertically lift up and down, further adjusting the interval between the drilling assembly 8 and the automobile die, facilitating the accurate punching of the drilling assembly 8 on the automobile die and effectively improving the flexibility and the punching efficiency of the drilling device.

Referring to fig. 8, as an embodiment of the present utility model, the longitudinal translation assembly 9 includes a third servo motor 901 and a third screw 902, wherein the third screw 902 is disposed side by side with the third servo motor 901; the third servo motor 901 is fixedly connected with the bottom of the base 1 through a third motor mounting plate 903, wherein a third driving belt pulley 904 is arranged on an output shaft of the third servo motor 901; two ends of the third screw rod 902 are respectively and rotatably connected with a second bearing seat 905, wherein the second bearing seat 905 is respectively and fixedly connected with the bottom of the base 1; one end of the third screw 902, which is close to the third servo motor 901, penetrates through the second bearing seat 905 and extends forwards, wherein the extending end of the third screw 902 is fixedly connected with a third driven pulley 906; the third driving pulley 904 is in driving connection with a third driven pulley 906 via a third belt 907; a third screw nut seat 908 is sleeved on the outer wall of the third screw 902, wherein two connecting blocks 909 are symmetrically arranged at the upper end of the third screw nut seat 908; the base 1 is provided with a long strip sliding hole 14 opposite to the connecting block 909, wherein the connecting block 909 penetrates through the long strip sliding hole 14 upwards and is fixedly connected with the bottom of the displacement disc 11.

In the above-mentioned scheme, the third servo motor 901 drives the third driving pulley 904 to rotate, so that the third driving pulley 904 drives the third driven pulley 906 to rotate through the third belt 907, and then the third driven pulley 906 drives the third lead screw 902 to rotate, and the third lead screw nut seat 908 is driven by the third lead screw 902 to longitudinally and horizontally move along the axis direction of the third lead screw 902, so that the third lead screw nut seat 908 drives the displacement disc 11 to longitudinally and horizontally slide along the long strip slide hole 14 through the connecting block 909, wherein the long strip slide hole 14 also plays a guiding and limiting role on the movement of the displacement disc 11, further improves the stability of the longitudinal movement of the displacement disc 11, drives the displacement disc 11 to longitudinally reciprocate on the base 1 through the longitudinal translation assembly 9, and simultaneously drives the drilling assembly 8 to transversely reciprocate above the displacement disc 11 through the transverse translation assembly 6, so that the drilling assembly 8 can precisely drill any position of the automobile die, and the flexibility of the drilling device is increased, and the drilling efficiency is greatly improved.

Referring to fig. 6 and 7 in combination, as an embodiment of the present utility model, the drilling assembly 8 includes a rotary motor 801, a rotary shaft 802, and a main drill 803, wherein the rotary motor 801 is disposed in front of a second lead screw nut seat 707; the rotary motor 801 is fixedly connected with the second lead screw nut seat 707 through a fourth motor mounting plate 804, wherein a fourth driving pulley 805 is arranged on the output shaft of the rotary motor 801; the second screw nut seat 707 is vertically provided with a first through hole 15, wherein the rotating shaft 802 penetrates through the first through hole 15 and is rotationally connected with the second screw nut seat 707; the upper end of the rotating shaft 802 is provided with a fourth driven pulley 806, wherein the fourth driven pulley 806 is in transmission connection with a fourth driving pulley 805 through a fourth belt 807; the lower end of the rotating shaft 802 is provided with a main drill 803, wherein the main drill 803 is detachably connected with the rotating shaft 802.

In the above-mentioned scheme, the rotating motor 801 drives the fourth driving pulley 805 to rotate, so that the fourth driving pulley 805 drives the fourth driven pulley 806 to rotate through the fourth belt 807, and then the fourth driven pulley 806 drives the rotating shaft 802 to rotate in the first through hole 15, the rotating shaft 802 rotates to drive the main drill 803 and open the hole of the automobile die, meanwhile, the transverse translation assembly 6 is matched to drive the main drill 803 to transversely move back and forth above the displacement disc 11, and the longitudinal translation assembly 9 drives the displacement disc 11 to longitudinally move back and forth, so that the main drill 803 can accurately open the hole at any position on the automobile die, and the drilling efficiency is greatly improved.

Referring to fig. 5 to fig. 7 in combination, as an embodiment of the present utility model, a second through hole 16 is formed in the middle of the first screw nut seat 608, where the second through hole 16 is disposed corresponding to the first through hole 15; the bottom plate of the L-shaped fixing seat 3 is provided with a strip hole 17, wherein the strip hole 17 and the second through hole 16 are correspondingly arranged; the lower end of the rotating shaft 802 sequentially penetrates through the second through hole 16 and the strip hole 17 downwards.

In the above-mentioned scheme, through having seted up second through-hole 16 in the middle of first lead screw nut seat 608, be convenient for lifting unit 7 drives pivot 802 and reciprocates in second through-hole 16, through having seted up rectangular hole 17 on "L" fixing base 3 bottom plate, be convenient for horizontal translation unit 6 drives pivot 802 and follows rectangular hole 17 lateral shifting, thereby make main drill 803 can be in car mould top lateral shifting and oscilaltion, cooperation vertical translation unit 9 drive displacement dish 11 vertical round trip movement simultaneously, make things convenient for main drill 803 can carry out accurate trompil in car mould optional position, improve drilling efficiency greatly.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims

1. The drilling device for machining the automobile die comprises a base (1) and supporting plates (2) arranged on two sides of the base (1), wherein an L-shaped fixing seat (3) is arranged above the supporting plates (2); the device is characterized in that a step mounting groove (5) is formed in the upper end of the inner side of the supporting plate (2), and two sides of the bottom plate of the L-shaped fixing seat (3) are fixedly connected with the step mounting groove (5) respectively; a transverse translation assembly (6) is arranged above the bottom plate of the L-shaped fixed seat (3), wherein the transverse translation assembly (6) is in sliding connection with the L-shaped fixed seat (3); the upper end of the transverse translation assembly (6) is provided with a '' -shaped supporting beam (10), wherein a lifting assembly (7) is arranged on the '' -shaped supporting beam (10), and the front end of the lifting assembly (7) is provided with a drilling assembly (8); the vertical translation subassembly (9) is equipped with below base (1), and wherein base (1) top is equipped with displacement dish (11), and this displacement dish (11) and vertical translation subassembly (9) fixed connection.

2. Drilling device for automotive mould machining according to claim 1, characterized in that the transversal translation assembly (6) comprises a first servomotor (601) and a first screw (602), wherein the first screw (602) is arranged below the first servomotor (601); the first servo motor (601) is fixedly connected with a side plate of the L-shaped fixing seat (3) through a first motor mounting plate (603), and a first driving belt pulley (604) is arranged on an output shaft of the first servo motor (601); two ends of the first screw rod (602) are respectively and rotatably connected with a first bearing seat (605), wherein the first bearing seat (605) is fixedly connected with the bottom plate of the L-shaped fixing seat (3); one end, close to the first servo motor (601), of the first lead screw (602) penetrates through the first bearing seat (605) and extends outwards, and the extending end of the first lead screw (602) is fixedly connected with a first driven belt pulley (606); the first driving pulley (604) is in driving connection with a first driven pulley (606) through a first belt (607).

3. The drilling device for machining the automobile die according to claim 2, wherein a first screw nut seat (608) is sleeved on the outer wall of the first screw (602), and the first screw nut seat (608) is fixedly connected with the '' -type support beam 10; one end of the first screw nut seat (608) is in threaded connection with the first screw (602), and a first sliding block (609) is arranged below one end, far away from the first screw (602), of the first screw nut seat (608); the bottom plate of the L-shaped fixing seat (3) is provided with a first sliding rail (610), wherein the first sliding block (609) is arranged on the first sliding rail (610) and is in sliding connection with the first sliding rail (610).

4. Drilling device for automotive mould machining according to claim 1, characterized in that the lifting assembly (7) comprises a second servomotor (701) and a second screw (702), wherein the second servomotor (701) is arranged behind the upper end of the "" type support beam (10); the second servo motor (701) is fixedly connected with the support beam (10) through a second motor mounting plate (703), wherein a second driving belt pulley (704) is arranged on an output shaft of the second servo motor (701); the second screw rod (702) is vertically arranged, wherein the bottom end of the second screw rod (702) is rotationally connected with the first screw rod nut seat (608), and the top end of the second screw rod (702) is rotationally connected with the upper end of the -type support beam (10); the top end of the second lead screw (702) penetrates through the upper end of the support beam (10) and extends outwards, and a second driven belt pulley (705) is arranged at the top end of the second lead screw (702); the second driving pulley (704) and the second driven pulley (705) are positioned at the same level, wherein the second driving pulley (704) is in transmission connection with the second driven pulley (705) through a second belt (706).

5. The drilling device for machining automobile dies according to claim 4, characterized in that the outer wall of the second screw (702) is sleeved with a second screw nut seat (707), wherein the second screw nut seat (707) is connected with a drilling assembly (8); one end of the second screw nut seat (707) is in threaded connection with the second screw (702), and a second sliding block (708) is arranged at one end, far away from the second screw (702), of the second screw nut seat (707); a second sliding rail (709) is arranged behind the '' -shaped supporting beam (10), wherein the upper end of the second sliding rail (709) is fixedly connected with the top end of the '' -shaped supporting beam (10), and the lower end of the second sliding rail (709) is fixedly connected with the first screw nut seat (608); the second slider (708) is arranged on a second sliding rail (709), wherein the second slider (708) is in sliding connection with the second sliding rail (709).

6. Drilling device for automotive mould machining according to claim 1, characterized in that the longitudinal translation assembly (9) comprises a third servomotor (901) and a third screw (902), wherein the third screw (902) is arranged side by side with the third servomotor (901); the third servo motor (901) is fixedly connected with the bottom of the base (1) through a third motor mounting plate (903), wherein a third driving belt pulley (904) is arranged on an output shaft of the third servo motor (901); two ends of the third screw rod (902) are respectively and rotatably connected with a second bearing seat (905), wherein the second bearing seat (905) is respectively and fixedly connected with the bottom of the base (1); one end of the third lead screw (902) close to the third servo motor (901) penetrates through the second bearing (905) and extends forwards, and the extending end of the third lead screw (902) is fixedly connected with a third driven belt pulley (906); the third driving pulley (904) is in driving connection with the third driven pulley (906) by means of a third belt (907).

7. The drilling device for machining the automobile die according to claim 6, wherein a third screw nut seat (908) is sleeved on the outer wall of the third screw (902), and two connecting blocks (909) are symmetrically arranged at the upper end of the third screw nut seat (908); the base (1) is provided with a strip sliding hole (14) opposite to the connecting block (909), wherein the connecting block (909) upwards penetrates through the strip sliding hole (14) and is fixedly connected with the bottom of the displacement disc (11).

8. A drilling device for automotive mould machining according to claim 1, characterized in that the drilling assembly (8) comprises a rotating motor (801), a spindle (802) and a main drill bit (803), wherein the rotating motor (801) is arranged in front of the second lead screw nut seat (707); the rotating motor (801) is fixedly connected with the second screw nut seat (707) through a fourth motor mounting plate (804), wherein a fourth driving belt pulley (805) is arranged on an output shaft of the rotating motor (801); a first through hole (15) is formed in the second screw nut seat (707) in the vertical direction, and the rotating shaft (802) penetrates through the first through hole (15) and is rotationally connected with the second screw nut seat (707); a fourth driven belt pulley (806) is arranged at the upper end of the rotating shaft (802), and the fourth driven belt pulley (806) is in transmission connection with a fourth driving belt pulley (805) through a fourth belt (807); the lower end of the rotating shaft (802) is provided with a main drill bit (803), wherein the main drill bit (803) is detachably connected with the rotating shaft (802).

9. A drilling device for machining an automobile die according to claim 3, wherein a second through hole (16) is formed in the middle of the first screw nut seat (608), and the second through hole (16) is arranged corresponding to the first through hole (15); the bottom plate of the L-shaped fixing seat (3) is provided with a strip hole (17), wherein the strip hole (17) is correspondingly arranged with the second through hole (16).

10. The drilling device for machining an automobile die according to claim 8, wherein the lower end of the rotating shaft (802) sequentially penetrates through the second through hole (16) and the strip hole (17) downwards.