CN112247199A

CN112247199A - Drilling machine for multi-surface machining of hardware

Info

Publication number: CN112247199A
Application number: CN202011150321.1A
Authority: CN
Inventors: 刘川梦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-01-22

Abstract

The invention discloses a drilling machine for multi-surface machining of hardware, which comprises a base, wherein a support frame is fixedly welded at the upper end of the base, a driving mechanism is jointly and movably connected to the left part and the right part of the support frame, sleeve rods are fixedly welded at four corners of the upper end of the support frame, a lifting mechanism is jointly and slidably connected into the four sleeve rods, the lower part of the lifting mechanism is in transmission connection with the driving mechanism, a positioning mechanism is slidably connected to the upper end of the lifting mechanism, a four-way joint is clamped into the positioning mechanism, a first positive and negative motor is fixedly installed at the left end of the lifting mechanism, a transmission rod is fixedly connected to the output end of the first positive and negative motor and is in threaded connection with the positioning mechanism, a fixing frame is fixedly connected to the upper end of the base, and a drilling device is. The drilling machine for multi-surface machining of hardware provided by the invention has the advantages of compact structure, firmness and convenience in fixing, capability of realizing multi-surface machining, high efficiency, safety and reliability.

Description

Drilling machine for multi-surface machining of hardware

Technical Field

The invention relates to the technical field of drilling machines, in particular to a drilling machine for multi-surface machining of hardware.

Background

Hardware is a tool obtained by processing and casting metal such as gold, silver, copper, iron, tin, etc., and is used for fixing, processing, decorating, etc.

Four way connection is one of hardware, in to four way connection drilling course of working, because four end faces need to drill, in carrying out the course of working to four way connection, need to carry out clamping processing repeatedly to four way connection, complex operation, high labor strength, machining efficiency is low, and four way connection's special appearance leads to ordinary anchor clamps can't be fixed firm to it, easy mode is rocked at drilling in-process, the security is poor, and the precision of punching is lower, so user's demand can not be satisfied, therefore, we have provided a drilling machine for hardware multiaspect processing.

Disclosure of Invention

The invention mainly aims to provide a drilling machine for multi-surface machining of hardware, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a drilling machine for multi-surface machining of hardware comprises a base, wherein a support frame is fixedly welded at the upper end of the base, a driving mechanism is fixedly and movably connected to the left portion and the right portion of the support frame, sleeve rods are fixedly welded at four corners of the upper end of the support frame, a lifting mechanism is jointly and slidably connected into the sleeve rods, the lower portion of the lifting mechanism is in transmission connection with the driving mechanism, a positioning mechanism is slidably connected to the upper end of the lifting mechanism, a four-way connector is clamped in the positioning mechanism, a first positive and negative motor is fixedly installed at the left end of the lifting mechanism, a transmission rod is fixedly connected to the output end of the first positive and negative motor and is in threaded connection with the positioning mechanism, a fixing frame is fixedly connected to the upper end of the base and is located at the rear end of the support frame, and the fixing frame is of an L, the utility model discloses a drill hole drilling machine, including mount, telescopic plate, perforator, drill hole, telescopic plate, the front end sliding connection of mount upper part has a telescopic plate, the right-hand member interlude of mount upper part is connected with a clamping screw, the telescopic plate passes through clamping screw fixed connection in the mount, a perforator of the anterior fixedly connected with in upper end of telescopic plate, and the lower extreme of drill runs through the telescopic plate and is located the below of telescopic plate, the upper end fixed weld of telescopic plate has a guard plate, and the guard plate is located the rear of drill hole.

Preferably, actuating mechanism includes positive and negative motor and movable rod No. two, the fixed connection of positive and negative motor No. two is in the rear end of support frame right part, bull stick of output fixedly connected with of positive and negative motor No. two, the front end of bull stick runs through front end and the action wheel of fixedly connected with of support frame, two drive gear of fixedly connected with on the bull stick, and the position of two loop bars on a drive gear and right side corresponds, the rear end that the movable rod passes through and the right part rear end swing joint of support frame, the front end of movable rod runs through the front end of support frame and fixedly connected with one from the driving wheel, be located same horizontal plane and common transmission with a conveyer belt from the driving wheel with the action wheel.

Preferably, elevating system includes the operation panel, the shifting chute of break-over about having opened in the upper end of operation panel, fixed mounting has a locating plate in the middle part of the shifting chute, the fixed welding of lower extreme of operation panel has four telescopic links, and the position of telescopic link is corresponding with the position of loop bar, one side homogeneous body shaping that opposite end was kept away from to the surface of telescopic link has a driving rack.

Preferably, the middle part of the transmission rod is movably connected with the positioning plate through a bearing sleeve, spiral threads are carved in the middle part of the outer surface of the transmission rod, and the spiral threads are located on two sides of the positioning plate and are of a reverse structure.

Preferably, the end face of the moving groove is in a trapezoidal structure, and the size of the upper end face of the moving groove is smaller than that of the lower end face.

Preferably, the telescopic rod is connected in the corresponding sleeve rod in a sliding mode, the transmission rack is meshed with the first transmission gear to connect the lifting mechanism with the driving mechanism in a transmission mode, and the connecting mode of the telescopic rod and the second transmission gear is the same as that of the telescopic rod and the first transmission gear.

Preferably, the positioning mechanism comprises two moving blocks, the two moving blocks are connected to the moving groove in a sliding mode and located on two sides of the positioning plate respectively, a first fixing seat is welded to the upper ends of the two moving blocks, the upper portion of the first fixing seat is movably connected with a clamping mechanism and a second fixing seat through bearing sleeves respectively, the clamping mechanism and the second fixing seat are distributed in a bilateral symmetry mode, a limiting mechanism is fixedly connected to the upper end of the left moving block, and the limiting mechanism is connected with the clamping mechanism in a clamping mode.

Preferably, the lower structure of the moving block is matched with the structure of the moving groove, the lower portion of the moving block is provided with a movable groove and a threaded groove, the movable groove is communicated with the interior of the threaded groove, the diameter of the movable groove is larger than that of the threaded groove, the moving block is movably connected in the moving groove, and the threaded groove is in threaded connection with the spiral threads.

Preferably, fixture includes the connecting rod, connecting rod swing joint is on the upper portion of fixing base No. one, the both ends difference fixedly connected with a grip ring and a transmission ring of connecting rod, the one end fixed weld that the connecting rod was kept away from to the grip ring has a grip block, the structure of No. two fixing bases is the same with fixture's structure, and the one end that the connecting rod was kept away from to the transmission ring in left side is opened there are four draw-in grooves, and the draw-in groove is the annular array distribution with the centre of a circle of transmission ring.

Preferably, one end of the clamping block, which is far away from the clamping ring, is provided with four arc-shaped grooves, the four arc-shaped grooves are distributed in an annular array mode through the circle center of the clamping block, and the structures of the arc-shaped grooves are matched with the external structure of the four-way joint.

Preferably, the limiting mechanism comprises a mounting frame, the mounting frame is fixedly mounted at the upper end of the left moving block, the right portion of the mounting frame is movably connected with an adjusting rod through a bearing sleeve, the front end of the adjusting rod is fixedly connected with an adjusting wrench, and a clamping block is integrally formed in the middle of the adjusting rod.

Preferably, the position of the clamping block corresponds to the position of the clamping groove and is matched with the clamping groove in structure, and the clamping block is clamped in the clamping groove at the lower part to clamp the limiting mechanism and the clamping mechanism together.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the spiral threads are in threaded connection with the corresponding threaded grooves to drive the movable blocks to slide in the movable grooves, the distance between the clamping mechanisms is reduced by the mutual approach of the two movable blocks, the four-way connector is clamped between the two clamping blocks, the four-way connector is stably clamped in the two clamping blocks through the arc-shaped grooves, the four-way connector is firmly fixed, the four-way connector is prevented from shaking in the drilling process, the stability is high, the safety is high, and the processing quality is improved.

2. According to the invention, the driven wheel and the driving wheel are in transmission connection through the conveying belt, so that the conveying belt drives the driven wheel and the driving wheel to simultaneously rotate in the forward direction and the reverse direction, the second transmission gear and the first transmission gear which are fixed on the movable rod synchronously rotate in the forward direction and the reverse direction, the first transmission gear and the second transmission gear are meshed with the corresponding transmission racks to drive the telescopic rod to slide up and down in the sleeve rod, the telescopic rod drives the operation table to lift, the drilling depth of the four-way joint can be controlled by the drilling device, the structure is compact, the stability is strong, and the adjustment is.

3. According to the clamping mechanism and the second fixing seat, the adjusting rod is driven to rotate by rotating the adjusting wrench, the clamping block is moved out of the clamping groove, the clamping mechanism is rotated by 90 degrees, the four-way joint fixedly clamped in the clamping mechanism and the second fixing seat is driven to rotate by 90 degrees, the other end of the four-way joint is rotated to the position below the drilling device, the adjusting wrench is rotated reversely again at the moment, the adjusting rod is driven to rotate to drive the clamping block to be clamped in the corresponding clamping groove to limit the clamping mechanism and the second fixing seat, the end face of the four-way joint can be adjusted quickly, the structure is simple, the cost is low, repeated clamping and fixing are avoided, the operation is labor-.

4. According to the invention, the fixing screw rod is rotated, the telescopic plate slides in the fixing frame, so that the center of a circle at the lower end of the drilling device is rapidly coincided with the center of a circle at the upper end of the four-way joint, the upper end face of the four-way joint is processed, and the telescopic plate can be rapidly accommodated in the fixing frame when the four-way joint is not used, so that the occupied space is reduced, the four-way joint can be conveniently taken and placed, and the four-way joint drilling tool is safe and.

Drawings

FIG. 1 is a schematic view of an overall structure of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 2 is a schematic view of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 3 is a schematic structural view of a lifting mechanism of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 4 is a schematic structural diagram of a driving mechanism of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 5 is a schematic connection diagram of a lifting mechanism of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 6 is a schematic structural view of a positioning mechanism of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 7 is a schematic structural view of a clamping mechanism of a drilling machine for multi-surface machining of hardware according to the present invention;

FIG. 8 is a schematic structural diagram of a limiting mechanism of a drilling machine for multi-surface machining of hardware according to the present invention.

In the figure: 1. a base; 2. a support frame; 3. a drive mechanism; 4. a loop bar; 5. a lifting mechanism; 6. a first positive and negative motor; 7. a transmission rod; 8. a positioning mechanism; 9. a fixed mount; 10. a retractable plate; 11. fixing the screw rod; 12. a drill; 13. a protection plate; 14. a four-way joint; 31. a second positive and negative motor; 32. a rotating rod; 33. a first transmission gear; 34. a driving wheel; 35. a movable rod; 36. a second transmission gear; 37. a driven wheel; 38. a conveyor belt; 51. an operation table; 52. a moving groove; 53. positioning a plate; 54. a telescopic rod; 55. a drive rack; 71. helical thread; 81. a moving block; 82. a first fixed seat; 83. a clamping mechanism; 84. a second fixed seat; 85. a limiting mechanism; 811. a movable groove; 812. a thread groove; 831. a connecting rod; 832. a clamp ring; 833. a clamping block; 834. an arc-shaped slot; 835. a drive ring; 836. a card slot; 851. a mounting frame; 852. adjusting a rod; 853. adjusting the wrench; 854. and (7) clamping blocks.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-8, a drilling machine for multi-surface processing of hardware comprises a base 1, a support frame 2 is fixedly welded at the upper end of the base 1, a driving mechanism 3 is movably connected at the left part and the right part of the support frame 2, a loop bar 4 is fixedly welded at four corners of the upper end of the support frame 2, a lifting mechanism 5 is slidably connected in the four loop bars 4, the lower part of the lifting mechanism 5 is in transmission connection with the driving mechanism 3, a positioning mechanism 8 is slidably connected at the upper end of the lifting mechanism 5, a four-way joint 14 is clamped in the positioning mechanism 8, a first positive and negative motor 6 is fixedly installed at the left end of the lifting mechanism 5, a transmission rod 7 is fixedly connected at the output end of the first positive and negative motor 6, the transmission rod 7 is in threaded connection with the positioning mechanism 8, a fixing frame 9 is fixedly connected at the upper end of the base 1, and the fixing, mount 9 is L type structure, the front end sliding connection of mount 9 upper portion has a expansion plate 10, the right-hand member of mount 9 upper portion alternates and is connected with a fixing screw 11, expansion plate 10 passes through fixing screw 11 fixed connection in mount 9, perforator 12 of the anterior fixedly connected with in upper end of expansion plate 10, and the lower extreme of perforator 12 runs through expansion plate 10 and is located the below of expansion plate 10, the fixed welding in upper end of expansion plate 10 has a guard plate 13, and guard plate 13 is located perforator 12's rear.

Actuating mechanism 3 includes positive and negative motor 31 and movable rod 35 No. two, the fixed connection of positive and negative motor 31 No. two is at the rear end of 2 right parts of support frame, bull stick 32 of output fixedly connected with of positive and negative motor 31 No. two, bull stick 32's front end runs through front end and a drive wheel of fixedly connected with 34 of support frame 2, two drive gear 33 of fixedly connected with on the bull stick 32, and two loop bar 4's on a drive gear 33 and right side position corresponds, the rear end that movable rod 35 passes through and the right part rear end swing joint of support frame 2, the front end of movable rod 35 runs through the front end and a fixedly connected with of support frame 2 from driving wheel 37, follow driving wheel 37 and drive wheel 34 and be located same horizontal plane and common transmission is connected with a conveyer belt 38.

The lifting mechanism 5 comprises an operating platform 51, a moving groove 52 penetrating through the operating platform 51 from left to right is formed in the upper end of the operating platform 51, a positioning plate 53 is fixedly installed in the middle of the moving groove 52, four telescopic rods 54 are fixedly welded to the lower end of the operating platform 51, the positions of the telescopic rods 54 correspond to those of the loop bar 4, a transmission rack 55 is integrally formed on one side of the outer surface of each telescopic rod 54, which is far away from the opposite end, and the transmission rack 55 is meshed with the corresponding first transmission gear 33 and the corresponding second transmission gear 36 to realize lifting of the operating platform 51.

The middle part of the transmission rod 7 is movably connected with the positioning plate 53 through the bearing sleeve, spiral threads 71 are carved in the middle part of the outer surface of the transmission rod 7, the spiral threads 71 are located on two sides of the positioning plate 53 and are of a reverse structure, the spiral threads 71 are in threaded connection with corresponding thread grooves 812 to drive the moving block 81 to slide in the moving groove 52, the distance between the clamping mechanism 83 and the second fixing seat 84 is reduced due to the fact that the two moving blocks 81 are close to each other, the four-way joint 14 is clamped between the two clamping blocks 833, and fixing is firm and convenient.

The end face of the moving groove 52 is of a trapezoidal structure, and the size of the upper end face of the moving groove 52 is smaller than that of the lower end face, so that the stability of the moving block 81 in the sliding process is improved.

The telescopic rods 54 are connected in the corresponding sleeve rods 4 in a sliding mode, the transmission racks 55 are meshed with the first transmission gears 33 to connect the lifting mechanism 5 with the driving mechanism 3 in a transmission mode, and the connecting mode of the telescopic rods 54 and the second transmission gears 36 is the same as that of the telescopic rods 54 and the first transmission gears 33.

Positioning mechanism 8 includes movable block 81, the movable block 81 is provided with two, and two equal sliding connection of movable block 81 just are located the both sides of locating plate 53 in the shifting chute 52 respectively, the equal fixed welding in upper end of two movable blocks 81 has a fixing base 82, the upper portion of two fixing bases 82 has a fixture 83 and a No. two fixing base 84 through bearing housing swing joint respectively, fixture 83 and No. two fixing base 84 are bilateral symmetry and distribute, stop gear 85 of upper end fixedly connected with of left side movable block 81, and stop gear 85 and fixture 83 joint are in the same place, moreover, the steam generator is simple in structure, and low cost.

The lower structure of the moving block 81 is matched with the structure of the moving groove 52, the lower part of the moving block 81 is provided with a movable groove 811 and a threaded groove 812, the movable groove 811 is communicated with the inside of the threaded groove 812, the diameter of the movable groove 811 is larger than that of the threaded groove 812, the movable groove 812 is in threaded connection with the spiral thread 71, the movable groove 811 is sleeved on the spiral thread 71, the moving block 81 is movably connected in the moving groove 52, and the threaded groove 812 is in threaded connection with the spiral thread 71.

Fixture 83 includes connecting rod 831, connecting rod 831 swing joint is on the upper portion of fixing base 82 No. one, clamping ring 832 and a transmission ring 835 of fixedly connected with respectively at the both ends of connecting rod 831, clamping ring 832 keeps away from the fixed welding of one end of connecting rod 831 has a grip block 833, No. two fixing base 84's structure is the same with fixture 83's structure, the one end that connecting rod 831 was kept away from to left side transmission ring 835 is opened there are four draw-in grooves 836, and draw-in groove 836 is the annular array with the centre of a circle of transmission ring 835 and distributes.

One end of the clamping block 833, which is far away from the clamping ring 832, is provided with four arc-shaped grooves 834, the four arc-shaped grooves 834 are distributed in an annular array by using the center of the clamping block 833, and the structure of the arc-shaped grooves 834 is matched with the external structure of the four-way joint 14.

Limiting mechanism 85 includes mounting bracket 851, and mounting bracket 851 fixed mounting has an adjusting lever 852 through bearing housing swing joint in the upper end of left part movable block 81, the right part of mounting bracket 851, and adjusting lever 852's front end fixedly connected with one adjusts spanner 853, and adjusting lever 852's middle part integrated into one piece has a fixture block 854.

The position of the clamping block 854 corresponds to the position of the clamping groove 836 and the structure of the clamping block is matched with that of the clamping groove 836, and the clamping block 854 is clamped in the clamping groove 836 at the lower part to clamp the limiting mechanism 85 and the clamping mechanism 83 together.

It should be noted that, in the process of using the drilling machine for multi-surface processing of hardware, the first forward and reverse motor 6 is firstly opened, the transmission rod 7 is driven to rotate by the first forward and reverse motor 6, the moving block 81 is driven to slide in the moving groove 52 by the threaded connection of the spiral thread 71 and the corresponding thread groove 812, the distance between the clamping mechanism 83 and the second fixed seat 84 is reduced by the mutual approach of the two moving blocks 81, the four-way joint 14 is clamped between the two clamping blocks 833, the four-way joint 14 is stably clamped in the two clamping blocks 833 through the arc-shaped groove 834, the fixation is firm, the shaking in the drilling process is avoided, the stability is strong, the processing quality is improved, when the four-way joint 14 is firmly fixed, the first transmission gear 33 is opened, the first transmission gear 33 drives the rotating rod 32 to rotate, the first transmission gear 33 and the driving wheel 34 are driven to rotate by the rotating rod 32, the driven wheel 37 is in transmission connection with the, the driven wheel 37 is driven to rotate by the conveyor belt 38, so that the second transmission gear 36 and the first transmission gear 33 fixed on the movable rod 35 synchronously rotate, the first transmission gear 33 and the second transmission gear 36 are meshed with the corresponding transmission rack 55 to drive the telescopic rod 54 to slide upwards in the loop bar 4, the telescopic rod 54 drives the operating platform 51 to ascend, the upper end surface of the four-way joint 14 and the lower end surface of the drill 12 are positioned on the same horizontal plane, at the moment, the fixed screw 11 is screwed out, the telescopic plate 10 slides out in the upper part of the fixed frame 9, the circle center of the lower end of the drill 12 is coincided with the circle center of the upper end of the four-way joint 14, at the moment, the drill 12 is opened, the upper end surface of the four-way joint 14 is drilled, at the moment, the second positive and negative motor 31 drives the rotating rod 32 to rotate, the operating platform 51 slowly ascends, the drilling depth, the second forward and reverse motor 31 drives the rotating rod 32 to rotate reversely, the first transmission gear 33 and the second transmission gear 36 are meshed with the transmission rack 55 to drive the expansion rod 54 to slide downwards in the loop bar 4, the four-way joint 14 is separated from the drilling device 12, at the moment, the adjusting rod 852 is rotated by the adjusting wrench 853 to move the clamping block 854 out of the clamping groove 836, the transmission ring 835 is rotated to rotate the clamping mechanism 83 to drive the four-way joint 14 fixedly connected between the clamping mechanism 83 and the second fixing seat 84 to rotate, when the clamping groove 836 at the upper part is rotated to the lower part, the four-way joint 14 rotates 90 degrees, the other end of the four-way joint 14 rotates to the lower part of the drilling device 12, at the moment, the adjusting rod 853 is rotated reversely to drive the clamping block 854 to be clamped in the corresponding clamping groove 836 to limit the clamping mechanism 83 and the second fixing seat 84, and after the drilling end face of the four-way, open No. two positive and negative motors 31 once more, drive telescopic link 54 and slide in loop bar 4 through a drive gear 33 and No. two drive gears 36 and the meshing of transmission rack 55, make operation panel 51 rise once more and make the up end of cross joint 14 and perforator 12 contact and drill, after another terminal surface drilling finishes, can repeat above-mentioned operation, it can all to accomplish drilling operation until four terminal surfaces of cross joint 14, the device compact structure, can carry out quick centre gripping to cross joint 14, and it is fixed firm, can control elevating system 5 the degree of depth of drilling through above-mentioned operation, the drilling position of cross joint 14 is adjusted through the joint relation of stop gear 85 and draw-in groove 836, avoid operating personnel to clamp repeatedly, the simple operation, high machining efficiency, it is convenient to use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drilling machine is used in hardware multiface processing, includes base (1), its characterized in that: the upper end fixed welding of base (1) has a support frame (2), the common swing joint in left part and the right part of support frame (2) has a actuating mechanism (3), the upper end four corners of support frame (2) all fixed welding have a loop bar (4), four in loop bar (4) common sliding connection have a elevating system (5), and the lower part and the actuating mechanism (3) transmission of elevating system (5) are connected, the upper end sliding connection of elevating system (5) has a positioning mechanism (8), the joint has a cross joint (14) in positioning mechanism (8), the left end fixed mounting of elevating system (5) has a positive and negative motor (6) No. one, the output fixed connection of positive and negative motor (6) has a transfer line (7), and transfer line (7) and positioning mechanism (8) threaded connection are in the same place, mount (9) of upper end fixedly connected with of base (1), and mount (9) are located the rear end of support frame (2), mount (9) are L type structure, the front end sliding connection of mount (9) upper portion has a expansion plate (10), the right-hand member of mount (9) upper portion alternates and is connected with a clamping screw (11), expansion plate (10) are through clamping screw (11) fixed connection in mount (9), perforator (12) of the anterior fixedly connected with in upper end of expansion plate (10), and the lower extreme of perforator (12) runs through expansion plate (10) and is located the below of expansion plate (10), the upper end fixed welding of expansion plate (10) has one guard plate (13), and guard plate (13) are located the rear of perforator (12).

2. The drilling machine for multi-surface machining of hardware according to claim 1, characterized in that: the driving mechanism (3) comprises a second positive and negative motor (31) and a movable rod (35), the second positive and negative motor (31) is fixedly connected with the rear end of the right part of the support frame (2), the output end of the second positive and negative motor (31) is fixedly connected with a rotating rod (32), the front end of the rotating rod (32) penetrates through the front end of the supporting frame (2) and is fixedly connected with a driving wheel (34), two first transmission gears (33) are fixedly connected on the rotating rod (32), and the first transmission gear (33) corresponds to the positions of the two sleeve rods (4) on the right side, the rear end of the movable rod (35) is movably connected with the rear end of the right part of the supporting frame (2), the front end of the movable rod (35) penetrates through the front end of the support frame (2) and is fixedly connected with a driven wheel (37), the driven wheel (37) and the driving wheel (34) are positioned on the same horizontal plane and are jointly connected with a conveying belt (38) in a transmission way.

3. The drilling machine for multi-surface machining of hardware according to claim 1, characterized in that: elevating system (5) are including operation panel (51), the upper end of operation panel (51) is opened has moving groove (52) of controlling the break-over, middle part fixed mounting has a locating plate (53) in moving groove (52), the fixed welding of lower extreme of operation panel (51) has four telescopic links (54), and the position of telescopic link (54) is corresponding with the position of loop bar (4), one side homogeneous body shaping that opposite end was kept away from to the surface of telescopic link (54) has one transmission rack (55).

4. The drilling machine for multi-surface machining of hardware according to claim 1, characterized in that: the middle part of the transmission rod (7) is movably connected with the positioning plate (53) through a bearing sleeve, spiral threads (71) are carved in the middle of the outer surface of the transmission rod (7), and the spiral threads (71) are located on two sides of the positioning plate (53) and are of a reverse structure.

5. The drilling machine for multi-surface machining of hardware according to claim 3, characterized in that: the end face of the moving groove (52) is of a trapezoidal structure, and the size of the upper end face of the moving groove (52) is smaller than that of the lower end face.

6. The drilling machine for multi-surface machining of hardware according to claim 3, characterized in that: the telescopic rod (54) is connected in the corresponding sleeve rod (4) in a sliding mode, the transmission rack (55) is meshed with the first transmission gear (33) to connect the lifting mechanism (5) with the driving mechanism (3) in a transmission mode, and the connecting mode of the telescopic rod (54) and the second transmission gear (36) is the same as that of the telescopic rod (54) and the first transmission gear (33).