CN115592159A

CN115592159A - Automatic drilling equipment for elevator guide rail

Info

Publication number: CN115592159A
Application number: CN202211408505.2A
Authority: CN
Inventors: 张初田; 郭建国; 邵林华
Original assignee: Jiangsu Duojin Elevator Parts Co ltd
Current assignee: Jiangsu Duojin Elevator Parts Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-01-13

Abstract

An automatic drilling device for an elevator guide rail is characterized in that a guide rail box and a first supporting plate are fixed on a drilling frame, a first rack sliding rod and a first straight gear are arranged in the first supporting plate, and a second rack sliding rod is meshed with the first straight gear; a second support plate is fixed on the guide rail box, a second straight gear is rotatably arranged on the second support plate, and a third rack slide bar and a fourth rack slide bar are respectively meshed with the upper part and the lower part of the second straight gear; a third support plate is fixed on the table top, and a fourth rack slide bar is connected with the third support plate in a sliding manner through a first slide bar and a first spring; a rotating roller is arranged below the table top and is provided with a plurality of electromagnetic grooves matched with the top surface of the inverted T-shaped guide rail and a first ejection column, a first arc-shaped plate is fixed at the bottom end of the first rack sliding rod and is matched with the first ejection column; a material receiving box is arranged below the rotating roller, and a drilling mechanism is arranged on the side surface of the rotating roller. The invention can carry out batch drilling processing, realize the processes of stable overturning and drilling of the guide rail and orderly arrange processed finished products.

Description

Automatic drilling equipment for elevator guide rail

Technical Field

The invention belongs to the field of elevator component processing, and particularly relates to automatic drilling equipment for an elevator guide rail.

Background

The elevator guide rail is an elevator component consisting of steel rails and connecting plates, the cross section of the elevator guide rail is T-shaped, and the guide rail plays a role in guiding and simultaneously bears the impact force when a car and an elevator are braked and the impact force when safety tongs are emergently braked. The both ends of elevator guide rail are provided with the hole site, and general hole site processing all realizes through artificial mode, including drilling and chamfer etc. and this kind of mode is not only intensity of labour big, and the dimensional stability of processing is poor.

Publication No. CN110842248A discloses an elevator guide rail automatic drilling machine, including: the feeding device transports the elevator guide rail through a T-shaped top plane bearing the elevator guide rail, the elevator guide rail from the feeding device is overturned by 180 degrees through a first overturning structure, the overturned elevator guide rail is transferred to the pressing device and the machining device through the transporting device, and the machining device performs drilling operation after the pressing device completes the positioning of the elevator guide rail. According to the elevator guide rail processing device, the structural characteristics of the elevator guide rail determine that better stability can be obtained when the elevator guide rail is transported through the T-shaped top plane, the elevator guide rail processing device is simpler and more convenient, the drill bit and the elevator guide rail are collided and turned over, a smooth surface without a protruding structure is provided for the processing of the processing device, and in the processing process, the pressing device effectively guarantees the positioning accuracy, so that full-automatic production from feeding to processing in the whole elevator guide rail drilling process is realized.

This drilling machine has realized full automated production to a certain extent, but, can only carry out single guide rail drilling at every turn, simultaneously, when utilizing the automatic upset of guide rail gravity, produce with tilting mechanism and increase substantially the collision, can produce the damage to the guide rail, in addition, when processing back many times, unevenness situation appears in the tilting mechanism surface unavoidably, can lead to the guide rail upset to be obstructed, needs artifical angle of adjustment.

Disclosure of Invention

The invention aims to provide automatic drilling equipment for an elevator guide rail, which can perform batch drilling processing, realize the stable overturning and drilling processes of the guide rail, orderly arrange processed finished products and the like.

An automatic drilling device for elevator guide rails comprises a drilling frame, wherein a guide rail box is fixed on a table top of the drilling frame, the guide rail box downwards penetrates through the table top, and a plurality of inverted T-shaped guide rails are arranged in the guide rail box; a first support plate is fixed on the table top, a first rack slide bar is vertically arranged in the first support plate in a sliding manner, a first straight gear is rotatably arranged, the first straight gear is meshed with the first rack slide bar, and a second rack slide bar is meshed with the first straight gear; two second support plates are fixed on the guide rail box, a second straight gear is rotatably arranged on the second support plate, a third rack slide bar and a fourth rack slide bar are respectively connected to the upper part and the lower part of the second straight gear in a meshed manner, the third rack slide bar and the fourth rack slide bar are both in sliding connection with the second support plate and the guide rail box, and the fourth rack slide bar is fixedly connected with the second rack slide bar; a third support plate is fixed on the table top, and two fourth rack sliding rods are connected with the third support plate in a sliding manner through a first sliding rod and a first spring;

a rotating roller is arranged below the table top through a hanging rod, a plurality of electromagnetic grooves matched with the top surface of the inverted T-shaped guide rail are formed in the rotating roller along the circumferential direction, a first ejection column corresponding to the number of the electromagnetic grooves is arranged on the rotating roller, a first arc-shaped plate is fixed at the bottom end of a first rack sliding rod, and the first arc-shaped plate is matched with the first ejection column;

a material receiving box is arranged below the rotating roller, and a drilling mechanism is arranged on the side surface of the rotating roller.

Before operation, the guide rails are placed into the guide rail box in batches, in an initial state, the fourth rack slide bar is inserted into the guide rail box to support all the guide rails, and the third rack slide bar is positioned outside the guide rail box; when the rotating roller rotates, the first ejection column contacts the first arc-shaped plate, the first rack slide bar is ejected upwards through the first arc-shaped plate to drive the first straight gear to rotate, then the second rack slide bar is driven to horizontally move, and then the third rack slide bar is driven to be inserted into the guide rail box and the fourth rack slide bar is driven to be pulled out of the guide rail box, in the process, the third rack slide bar supports all guide rails above the lowest guide rail, only the lowest guide rail is released, and slides downwards into the electromagnetic groove and is sucked by the electromagnetic groove under the action of gravity; the rotating roller continuously rotates for an angle, so that the guide rail in the electromagnetic groove is opposite to the drilling mechanism, after the drilling mechanism drills a hole, the rotating roller continuously rotates, the guide rail is positioned right above the material receiving box, the electromagnetic groove is powered off, the guide rail is loosened, and the guide rail falls into the material receiving box, so that automatic feeding, drilling and discharging of the guide rail are completed.

Furthermore, a guide shell is arranged at the bottom of the guide rail box in a sliding manner, and the guide shell is connected with the guide rail box through a second slide rod and a second spring; a rack is fixed on the guide shell, a fourth support plate is fixed on the table top, a fifth rack slide rod is arranged in the fourth support plate in a sliding manner, and a third straight gear is arranged in the fourth support plate in a rotating manner and is meshed and connected with the rack and the fifth rack slide rod; a second arc-shaped plate is fixed at the lower end of the fifth rack sliding rod, and a second ejection column which is symmetrical to the first ejection column and matched with the second arc-shaped plate is arranged on the rotating roller.

Similar with the effect process of fore-set, no. two fore-sets drive the rack through No. two arcs with No. five rack slide bars jack-up that makes progress, move down through No. three spur gears, and then drive the direction shell gliding, because No. two fore-sets are symmetrical with an fore-set, at this in-process, the guide rail falls just, through the effect of direction shell, play spacing and guide effect to the guide rail, can be better fall into the electromagnetism recess in, afterwards, under the effect of No. two slide bars and No. two springs, the direction shell returns the normal position.

Furthermore, the material receiving box is arranged on the lower support in a sliding mode, a first motor is further fixed on the lower support, a lead screw is fixed on a rotating shaft of the first motor, and the lead screw is in threaded connection with the material receiving box.

If the material receiving box is fixed, the guide rails falling each time can fall on the same position, and the guide rails can be overlapped; the guide rails can be orderly arranged in the material receiving box by arranging the material receiving box in a sliding manner.

Furthermore, the drilling mechanism comprises a drilling support fixed on the table top, an electric cylinder and a first slide way are fixed on the drilling support, a first slide block is arranged in the first slide way in a sliding mode, and the first slide block is connected with a telescopic rod of the electric cylinder through a first connecting rod; a second motor is fixed on the first sliding block, four drill bits are rotatably arranged on the first sliding block, the four drill bits are connected through a short belt, and one drill bit is connected with the second motor.

The electric cylinder drives the first sliding block to slide along the first sliding way, and the first sliding block is close to the guide rail and returns after the hole is drilled.

Furthermore, a guide rail clamping fork is fixed on the first sliding block and is connected with the first sliding block in a sliding mode through a third sliding rod and a third spring.

Before drilling, the guide rail clamping fork clamps the guide rail, so that the drilling is more stable.

Furthermore, a second slide way is fixed on the drilling support, a second slide block is arranged in the second slide way, the second slide block is connected with one end of the second slide way through a fourth slide rod and a fourth spring, and a push rod is fixed on the second slide block; an eccentric wheel is rotatably arranged on the drilling support, and the eccentric wheel is connected with the push rod through a second connecting rod; a deflector rod is connected to the first sliding block; a sub-drive plate is fixed on the rotating shaft of the rotating roller, a poking plate is rotatably arranged on the hanging rod, the poking plate is connected with an eccentric wheel through a long belt, and the eccentric wheel is coaxially connected with a ratchet wheel.

At first, the electric cylinder extends to drive the first sliding block to be far away from the rotating roller and simultaneously drive the shifting lever to move, the shifting lever drives the second sliding block to move through the push rod so as to compress the fourth spring, when the second sliding block moves towards the direction far away from the rotating roller, the eccentric wheel is pulled to rotate, the shifting disc is driven to rotate through the long belt, when the second sliding block reaches the farthest position, the second connecting rod winds to the middle part from the lower semicircle of the eccentric wheel, and then the shifting disc is driven to rotate 90 degrees, so that the rotating roller rotates 90 degrees, and blanking operation is realized; then, the electric cylinder retracts to drive the first sliding block to return, the second sliding block then returns due to the action of the fourth spring, and the second connecting rod can continue to move along the original direction due to the action of the ratchet wheel and cannot return along the original path until the fourth spring restores to the free state. The moving process enables the rotating roller to move intermittently, and the purposes of loading, drilling and unloading are achieved continuously and periodically.

Furthermore, an observation round hole is formed in the surface of the guide rail box.

The number of the guide rails is convenient to check so as to supplement in time.

Furthermore, an air pipe is fixed on the table board, and an air outlet of the air pipe is over against the electromagnetic groove.

When the guide rail is unloaded and is not loaded, the air pipe is used for blowing air to clean residues in the electromagnetic groove so as to better load the next guide rail.

The invention has the beneficial effects that:

according to the invention, the first ejection column is matched with the first arc-shaped plate, so that when the rotating roller rotates, single separation blanking can be carried out, and then the electromagnetic groove is combined for adsorption, so that stable blanking and overturning of batch guide rails are realized, and further drilling operation is carried out; the guide shell is arranged to assist the guide rail to stably feed, and the guide shell is rotated by the rotating roller to descend in a linkage manner, so that other operations are not influenced; the material receiving box is arranged in a movable mode, so that the guide rails can be orderly arranged in the material receiving box, and the guide rails are prevented from being stacked in a mess; through the cooperation of eccentric wheel, minute driver plate, dial plate, ratchet, driving lever and push rod, realize drilling and the effective cooperation of live-rollers upset, finally realize steady orderly automatic drilling process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention (view of the dial).

Fig. 2 is a schematic view of the overall structure of the present invention (view of the first support plate).

Fig. 3 is a schematic view of the overall structure of the present invention (from the perspective of the drilling mechanism).

Fig. 4 is a schematic view of the drill holder or the like after removal.

Fig. 5 is a schematic view of fig. 4 with the rail box removed.

Fig. 6 is a schematic view of the guide rail box and the guide housing.

Fig. 7 is an enlarged view at a in fig. 1.

Fig. 8 is an enlarged view at B in fig. 2.

Fig. 9 is an enlarged view at C in fig. 3.

Fig. 10 is an enlarged view of fig. 3 at D.

Fig. 11 is an enlarged view at E in fig. 5.

Fig. 12 is an enlarged view at F in fig. 5.

In the figure, 1, a drilling frame, 101, a guide rail box, 102, a first support plate, 103, a first rack slide bar, 104, a first spur gear, 105, a second rack slide bar, 106, a second support plate, 107, a second spur gear, 108, a third rack slide bar, 109, a fourth rack slide bar, 110, a third support plate, 111, a first slide bar, 112, a first spring, 113, a guide shell, 114, a second slide bar, 115, a second spring, 116, a rack, 117, a fourth support plate, 118, a fifth rack slide bar, 119, a third spur gear, 120, a suspender, 121, an observation round hole, 2, a rotating roller, 201, an electromagnetic groove, 202, a first support column, 203, a first arc-shaped plate, 204, a second arc-shaped plate, 205, a second top column, 206, a distribution disc, 207, a shifting disc, 208, a long belt, 3, a material receiving box, 301, a lower support, 302, a first motor, 303, a lead screw, 4, a drilling mechanism, 401, a drilling support, 402, an electric cylinder, 403, a first slideway, 404, a first sliding block, 405, a first connecting rod, 406, a second motor, 407, a drill bit, 408, a guide rail clamping fork, 409, a third sliding rod, 410, a third spring, 411, a second slideway, 412, a second sliding block, 413, a fourth sliding rod, 414, a fourth spring, 415, a push rod, 416, an eccentric wheel, 417, a second connecting rod, 418, a shifting rod, 419, a ratchet wheel, 5 and an air pipe.

Detailed Description

As shown in fig. 1-12, an automatic drilling device for elevator guide rails comprises a drilling frame 1, a guide rail box 101 is fixed on the table top of the drilling frame 1, the guide rail box 101 downwardly penetrates through the table top, and a plurality of inverted T-shaped guide rails are arranged in the guide rail box 101; a first support plate 102 is fixed on the table top, a first rack slide rod 103 is vertically arranged in the first support plate 102 in a sliding manner, a first straight gear 104 is rotatably arranged, the first straight gear 104 is meshed with the first rack slide rod 103, and a second rack slide rod 105 is meshed with the first straight gear 104; two second support plates 106 are fixed on the guide rail box 101, a second straight gear 107 is rotatably arranged on the second support plates 106, a third rack slide bar 108 and a fourth rack slide bar 109 are respectively connected to the upper part and the lower part of the second straight gear 107 in a meshing manner, the third rack slide bar 108 and the fourth rack slide bar 109 are both in sliding connection with the second support plates 106 and the guide rail box 101, and the fourth rack slide bar 109 is fixedly connected with the second rack slide bar 105; a third support plate 110 is fixed on the table top, and two fourth rack slide bars 109 are slidably connected with the third support plate 110 through a first slide bar 111 and a first spring 112; a rotating roller 2 is arranged below the table top through a hanger rod 120, a plurality of electromagnetic grooves 201 matched with the top surface of the inverted T-shaped guide rail are arranged on the rotating roller 2 along the circumferential direction, a first top column 202 corresponding to the electromagnetic grooves 201 in number is arranged on the rotating roller 2, a first arc-shaped plate 203 is fixed at the bottom end of the first rack sliding rod 103, and the first arc-shaped plate 203 is matched with the first top column 202; a material receiving box 3 is arranged below the rotating roller 2, and a drilling mechanism 4 is arranged on the side surface of the rotating roller 2.

Before operation, the batch of guide rails are placed in the guide rail box 101, and in an initial state, the fourth rack slide bar 109 is inserted into the guide rail box 101 to support all the guide rails, and the third rack slide bar 108 is positioned outside the guide rail box 101; when the rotating roller 2 rotates, the first ejection column 202 contacts the first arc-shaped plate 203, the first rack slide bar 103 is ejected upwards through the first arc-shaped plate 203, the first straight gear 104 is driven to rotate, the second rack slide bar 105 is driven to move horizontally, the third rack slide bar 108 is driven to be inserted into the guide rail box 101, the fourth rack slide bar 109 is driven to be pulled out of the guide rail box 101, in the process, the third rack slide bar 108 supports all guide rails above the lowest guide rail, only the lowest guide rail is released, and the third rack slide bar slides downwards into the electromagnetic groove 201 and is sucked by the electromagnetic groove 201 under the action of gravity; the rotating roller 2 continuously rotates for an angle, so that the guide rail in the electromagnetic groove 201 is over against the drilling mechanism 4, after the drilling mechanism 4 drills a hole, the rotating roller 2 continuously rotates, the guide rail is positioned right above the material receiving box 3, the electromagnetic groove 201 is powered off, the guide rail is loosened, the guide rail falls into the material receiving box 3, and automatic feeding, drilling and discharging of the guide rail are completed.

A guide shell 113 is arranged at the bottom of the guide rail box 101 in a sliding manner, and the guide shell 113 is connected with the guide rail box 101 through a second sliding rod 114 and a second spring 115; a rack 116 is fixed on the guide shell 113, a fourth support plate 117 is fixed on the table top, a fifth rack slide rod 118 is arranged in the fourth support plate 117 in a sliding manner, a third straight gear 119 is arranged in a rotating manner, and the third straight gear 119 is meshed with the rack 116 and the fifth rack slide rod 118 simultaneously; a second arc-shaped plate 204 is fixed at the lower end of the fifth rack slide bar 118, and a second top column 205 which is symmetrical to the first top column 202 and matched with the second arc-shaped plate 204 is arranged on the rotating roller 2.

Similar to the action process of the first jack-post 202, the second jack-post 205 jacks the fifth rack slide bar 118 upwards through the second arc-shaped plate 204, the rack 116 is driven to move downwards through the third straight gear 119, and then the guide shell 113 is driven to slide downwards, because the second jack-post 205 is symmetrical to the first jack-post 202, in the process, the guide rail just falls down, the guide rail is limited and guided through the guide shell 113, and can better fall into the electromagnetic groove 201, and then the guide shell 113 returns to the original position under the action of the second slide bar 114 and the second spring 115.

The material receiving box 3 is arranged on the lower support 301 in a sliding mode, a first motor 302 is further fixed on the lower support 301, a lead screw 303 is fixed on a rotating shaft of the first motor 302, and the lead screw 303 is in threaded connection with the material receiving box 3.

If the material receiving box 3 is fixed, the guide rails falling each time can fall on the same position, and the guide rails can be overlapped; the guide rails can be orderly arranged in the material receiving box 3 by arranging the material receiving box 3 in a sliding manner.

The drilling mechanism 4 comprises a drilling support 401 fixed on the table top, an electric cylinder 402 and a first slide way 403 are fixed on the drilling support 401, a first slide block 404 is arranged in the first slide way 403 in a sliding mode, and the first slide block 404 is connected with an expansion rod of the electric cylinder 402 through a first connecting rod 405; a second motor 406 is fixed on the first sliding block 404, four drill bits 407 are rotatably arranged, the four drill bits 407 are connected through short belts, and one drill bit 407 is connected with the second motor 406.

The electric cylinder 402 drives the first slide block 404 to slide along the first slide rail 403, and the first slide block returns after approaching the guide rail and drilling holes.

A guide rail clamping fork 408 is fixed on the first sliding block 404, and the guide rail clamping fork 408 is slidably connected with the first sliding block 404 through a third sliding rod 409 and a third spring 410.

Before drilling, the rail clamp forks 408 clamp the rail for more stability during drilling.

A second slide way 411 is fixed on the drilling support 401, a second slide block 412 is arranged in the second slide way 411, the second slide block 412 is connected with one end of the second slide way 411 through a fourth slide rod 413 and a fourth spring 414, and a push rod 415 is also fixed on the second slide block 412; an eccentric wheel 416 is rotatably arranged on the drilling support 401, and the eccentric wheel 416 is connected with the push rod 415 through a second connecting rod 417; the first sliding block 404 is connected with a driving lever 418; a distributing disc 206 is fixed on the rotating shaft of the rotating roller 2, a poking disc 207 is rotatably arranged on the suspension rod 120, the poking disc 207 is connected with an eccentric wheel 416 through a long belt 208, and the eccentric wheel 416 is coaxially connected with a ratchet 419.

At the beginning, the electric cylinder 402 extends to drive the first sliding block 404 to be far away from the rotating roller 2 and simultaneously drive the shifting rod 418 to move, the shifting rod 418 drives the second sliding block 412 to move through the push rod 415 so as to compress the fourth spring 414, when the second sliding block 412 moves towards the direction far away from the rotating roller 2, the eccentric wheel 416 is pulled to rotate, the shifting disc 207 is driven to rotate through the long belt 208, when the second sliding block 412 reaches the farthest position, the second connecting rod 417 winds to the middle from the lower semicircle of the eccentric wheel 416 so as to drive the sub-shifting disc 206 to rotate 90 degrees, and therefore the rotating roller 2 rotates 90 degrees, and the blanking operation is realized; then, the electric cylinder 402 retracts to drive the first sliding block 404 to return, the second sliding block 412 returns along with the first sliding block due to the action of the fourth spring 414, and the second connecting rod 417 continues to move in the original direction due to the action of the ratchet 419 and cannot return in the original direction until the fourth spring 414 returns to the free state. The moving process enables the rotating roller 2 to move intermittently, and the purposes of continuously and periodically feeding, drilling and discharging are achieved.

A circular observation hole 121 is provided in the surface of the rail box 101. The number of the guide rails is convenient to check so as to supplement in time.

An air pipe 5 is fixed on the table top, and an air outlet of the air pipe 5 is over against the electromagnetic groove 201. When the guide rail is unloaded and is not loaded, the air pipe 5 is used for blowing air to clean residues in the electromagnetic groove 201 so as to better load the next guide rail.

Claims

1. An automatic drilling device for elevator guide rails is characterized by comprising a drilling frame (1), wherein a guide rail box (101) is fixed on a table top of the drilling frame (1), the guide rail box (101) downwards penetrates through the table top, and a plurality of inverted T-shaped guide rails are arranged in the guide rail box (101); a first support plate (102) is fixed on the table top, a first rack sliding rod (103) is vertically arranged in the first support plate (102) in a sliding manner, a first straight gear (104) is arranged in a rotating manner, the first straight gear (104) is meshed and connected with the first rack sliding rod (103), and a second rack sliding rod (105) is meshed and connected with the first straight gear (104); two second support plates (106) are fixed on the guide rail box (101), a second straight gear (107) is rotatably arranged on the second support plates (106), a third rack slide bar (108) and a fourth rack slide bar (109) are respectively connected to the upper part and the lower part of the second straight gear (107) in a meshing manner, the third rack slide bar (108) and the fourth rack slide bar (109) are both in sliding connection with the second support plates (106) and the guide rail box (101), and the fourth rack slide bar (109) is fixedly connected with the second rack slide bar (105); a third support plate (110) is fixed on the table top, and two fourth rack slide bars (109) are connected with the third support plate (110) in a sliding manner through a first slide bar (111) and a first spring (112);

a rotating roller (2) is arranged below the table top through a hanging rod (120), a plurality of electromagnetic grooves (201) matched with the top surface of the inverted T-shaped guide rail are formed in the rotating roller (2) in the circumferential direction, a first ejection column (202) corresponding to the electromagnetic grooves (201) in number is arranged on the rotating roller (2), a first arc-shaped plate (203) is fixed at the bottom end of a first rack sliding rod (103), and the first arc-shaped plate (203) is matched with the first ejection column (202);

a material receiving box (3) is arranged below the rotating roller (2), and a drilling mechanism (4) is arranged on the side surface of the rotating roller (2).

2. The automatic drilling equipment for the guide rail of the elevator as claimed in claim 1, characterized in that a guide shell (113) is slidably arranged at the bottom of the guide rail box (101), and the guide shell (113) is connected with the guide rail box (101) through a second sliding rod (114) and a second spring (115); a rack (116) is fixed on the guide shell (113), a fourth support plate (117) is fixed on the table top, a fifth rack slide rod (118) is arranged in the fourth support plate (117) in a sliding manner, a third straight gear (119) is arranged in a rotating manner, and the third straight gear (119) is meshed and connected with the rack (116) and the fifth rack slide rod (118) at the same time; a second arc-shaped plate (204) is fixed at the lower end of the fifth rack sliding rod (118), and a second ejection column (205) which is symmetrical to the first ejection column (202) and matched with the second arc-shaped plate (204) is arranged on the rotating roller (2).

3. The automatic drilling equipment for the guide rails of the elevator as claimed in claim 1, wherein the material receiving box (3) is slidably arranged on the lower support (301), a first motor (302) is further fixed on the lower support (301), a screw rod (303) is fixed on a rotating shaft of the first motor (302), and the screw rod (303) is in threaded connection with the material receiving box (3).

4. The automatic drilling equipment for the guide rails of the elevator is characterized in that the drilling mechanism (4) comprises a drilling support (401) fixed on the table top, an electric cylinder (402) and a first slide way (403) are fixed on the drilling support (401), a first slide block (404) is arranged in the first slide way (403) in a sliding mode, and the first slide block (404) is connected with the telescopic rod of the electric cylinder (402) through a first connecting rod (405); a second motor (406) is fixed on the first sliding block (404), four drill bits (407) are rotatably arranged, the four drill bits (407) are connected through a short belt, and one drill bit (407) is connected with the second motor (406).

5. The automatic drilling equipment for the guide rails of the elevator, according to claim 4, is characterized in that a guide rail clamping fork (408) is fixed on the first sliding block (404), and the guide rail clamping fork (408) is slidably connected with the first sliding block (404) through a third sliding rod (409) and a third spring (410).

6. The automatic drilling equipment for the guide rails of the elevator according to claim 4, wherein a second slide way (411) is fixed on the drilling support (401), a second sliding block (412) is arranged in the second slide way (411), the second sliding block (412) is connected with one end of the second slide way (411) through a fourth sliding rod (413) and a fourth spring (414), and a push rod (415) is fixed on the second sliding block (412); an eccentric wheel (416) is rotatably arranged on the drilling support (401), and the eccentric wheel (416) is connected with the push rod (415) through a second connecting rod (417); a deflector rod (418) is connected to the first sliding block (404); a sub-drive plate (206) is fixed on the rotating shaft of the rotating roller (2), a drive plate (207) is arranged on the suspension rod (120) in a rotating way, the drive plate (207) is connected with an eccentric wheel (416) through a long belt (208), and the eccentric wheel (416) is coaxially connected with a ratchet wheel (419).

7. The automatic drilling equipment for the guide rails of the elevator as claimed in claim 1, characterized in that a viewing round hole (121) is provided on the surface of the guide rail box (101).

8. The automatic drilling equipment for the guide rails of the elevator as claimed in claim 1, characterized in that an air duct (5) is fixed on the table top, and the air outlet of the air duct (5) faces the electromagnetic groove (201).