CN219899879U - Steel construction processing punching equipment - Google Patents

Abstract

The utility model discloses steel structure processing and punching equipment which comprises a workbench, a clamping mechanism, a clamping lifting mechanism and a position adjusting mechanism, wherein the clamping lifting mechanism is arranged on the workbench; a working table: two sliding ports which are symmetrically distributed left and right are arranged in the middle of the workbench, four sleeves which are evenly distributed are arranged on the bottom surface of the workbench, upright posts are slidably connected in the sleeves, the bottom ends of the upright posts are fixedly connected with the upper end of an adjusting plate, supporting feet are arranged at four corners of the bottom surface of the workbench, and a fixing plate is arranged in the middle of each of the four supporting feet; and (3) a clamping mechanism: the clamping plates are respectively and slidably connected to the inside of the sliding port, and the lower end of the clamping mechanism is fixedly connected with the upper surface of the adjusting plate; clamping lifting mechanism: the adjusting plate is arranged between the adjusting plate and the fixing plate; position adjustment mechanism: the device is arranged at the upper end of the workbench; the steel structure processing punching equipment effectively expands the application range of punching work and improves the working efficiency and the working quality.

Description

Steel construction processing punching equipment

Technical Field

The utility model relates to the technical field of steel structure processing, in particular to steel structure processing punching equipment.

Background

Steel structures are structures composed of steel materials, and are one of the main types of building structures. The structure mainly comprises steel beams, steel columns, steel trusses and other components made of section steel, steel plates and the like, and rust removal and prevention processes such as silanization, pure manganese phosphating, washing, drying, galvanization and the like are adopted, and all the components or parts are connected by adopting welding seams, bolts or rivets, so that the structure is one of main building structure types.

The existing part of steel structure processing punching equipment adopts a non-guiding auxiliary punching mode, a hydraulic pump drives a telescopic unit to drive a punching head to punch, a part of steel structure processing punching equipment clamping structure adopts a positioning plate for fixing X and Y directions on a working surface, positions are limited for a steel structure with a specific size, and people can quickly position and limit by only contacting edges of the steel structure with the positioning plate with two directions during processing.

There are some problems, such as after the steel structure is punched, the existing clamp needs to be adjusted by a worker, and still occupies too many working surfaces after the clamp is released, so that abrasion damage to the steel structure during unloading is easy to cause, the application range of the steel structure is limited due to the fixed clamping structure, and large punching errors can be caused because the hardness of the steel structure is large without guiding assistance during punching.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the steel structure processing and punching equipment, effectively improves the stability of clamping work, enlarges the application range of the clamping work, further ensures the stability of the pressing process of a punch, improves the punching quality and the punching accuracy, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a steel structure processing and punching device comprises a workbench, a clamping mechanism, a clamping lifting mechanism and a position adjusting mechanism;

a working table: two sliding ports which are symmetrically distributed left and right are arranged in the middle of the workbench, four sleeves which are evenly distributed are arranged on the bottom surface of the workbench, upright posts are slidably connected in the sleeves, the bottom ends of the upright posts are fixedly connected with the upper end of an adjusting plate, supporting feet are arranged at four corners of the bottom surface of the workbench, and a fixing plate is arranged in the middle of each of the four supporting feet;

and (3) a clamping mechanism: the clamping plates are respectively and slidably connected to the inside of the sliding port, and the lower end of the clamping mechanism is fixedly connected with the upper surface of the adjusting plate;

clamping lifting mechanism: the adjusting plate is arranged between the adjusting plate and the fixing plate;

position adjustment mechanism: the device is arranged at the upper end of the workbench;

wherein: still include the base, the base sets up in the upper surface of workstation rear end, the front end fixedly connected with electric telescopic handle of base, electric telescopic handle's telescopic end fixedly connected with holding strip, and fixture and centre gripping elevating system's design makes the location that the steel construction processing was punched a hole more accurate, has saved working space simultaneously, has improved the work efficiency that punches a hole effectively enlarged the application scope that punches a hole work, has improved work efficiency and working quality.

Further, the right-hand member of leading flank of workstation is provided with control switch group, and control switch group's input is connected with external power source's output electricity, and the output of control switch group is connected to electric telescopic handle's input electricity, coordinates control the operation of each electrical apparatus, has effectively improved the cooperation efficiency between each mechanism.

Further, fixture still includes motor one, worm wheel and two-way lead screw, motor one sets up in the upper surface of regulating plate, and motor one's output shaft fixedly connected with worm, the lower extreme of two splint all with same two-way lead screw threaded connection, splint all with vertical sliding connection that corresponds, the middle part fixedly connected with worm wheel of two-way lead screw, worm wheel and worm meshing are connected, and motor one's input and the output electricity of control switch group are connected for splint carry out horizontal adjustment, and the steel construction specification that can the centre gripping is more various.

Further, centre gripping elevating system includes motor two, cam, connecting axle, connecting rod and U type seat, the U type seat sets up in the center of the lower bottom surface of regulating plate, and the lower extreme of U type seat is connected with the connecting rod through the round pin axle rotation, and motor two sets up in the upper surface of fixed plate, and the output shaft of motor two is connected with the rear end face fixed connection of cam, and the edge of cam is connected with the lower extreme of connecting rod through the connecting axle rotation, and the input of motor two is connected with the output electricity of control switch group, reduces the influence of splint when changing the steel construction, has improved work efficiency.

Further, position adjustment mechanism includes motor III, guide post, driven telescopic link, slide rail, screw rod, sliding seat and telescopic column, the inside bar recess that is provided with of support of workstation rear end, the inside of bar recess is provided with the guide post, the middle part sliding connection of guide post has the sliding block, the preceding terminal surface fixedly connected with driven telescopic link of sliding block, the upper end of support is provided with the slide rail, the inside of slide rail is provided with the sliding chamber, the sliding intracavity portion is connected with the screw rod through the bearing rotation, the rear end face of slide rail is provided with motor III, the output shaft of motor III and the rear end fixed connection of screw rod, the middle part threaded connection of screw rod has the sliding seat, sliding seat and sliding chamber sliding connection, the lower extreme of sliding seat is provided with the telescopic column, the telescopic end fixedly connected with clamp plate of telescopic column, the rear end face and the telescopic end fixed connection of driven telescopic link of clamp plate, the input and the output electricity of control switch group of motor III are connected, can adjust the position of drift for the application scope of equipment work is more extensive.

Further, the upper end of sliding seat is provided with the hydraulic pump, and the hydraulic fluid port of hydraulic pump leads the hydraulic fluid port and is linked together through oil pipe with the hydraulic fluid port of flexible post, and the lower extreme of clamp plate is provided with the drift, and the input of hydraulic pump is connected with the output electricity of control switch group, drives the drift and accomplishes the work of punching a hole.

Further, the front end of the upper surface of the workbench is provided with a positioning strip, so that the steel structure is more accurate in transverse punching positioning, and meanwhile, the clamping firmness is guaranteed.

Further, the waste material mouth lower extreme at workstation middle part is provided with the guide plate, and the waste material direction is convenient for the clearance of waste material, avoids the waste material to produce the influence to the operation of mechanism simultaneously.

Compared with the prior art, the utility model has the beneficial effects that: this steel construction processing punching equipment has following benefit:

1. the personnel realize the operation of motor two through control switch group, motor two operation, motor two's output shaft rotates and drives the cam and rotate, under the cooperation of connecting axle, the cam rotates and drives the connecting rod and do circular motion in vertical direction, the difference in height that causes through the cam rotation makes connecting rod pulling U type seat move down, and then realize the lower of regulating plate, finally make the top of splint be less than the upper surface of workstation, then the personnel place the upper surface of workstation with the steel construction that waits to process, the personnel realize the operation of electric telescopic handle through control switch group with steel construction propelling movement to laminating with the location strip, make the steel construction fixed in the location of transverse position, the personnel realize the operation of motor two through control switch group, motor two's output shaft rotates and drives the cam and rotate, under the cooperation of connecting axle, the cam rotates and drives the connecting rod and do circular motion in vertical direction, the difference in height that the cam rotates and makes the connecting rod promote U type seat to reciprocate, and then realize the upward movement of regulating plate, finally realize that the top of two splint is higher than the upper surface of workstation, prepare for the centre gripping work, then the personnel closes motor two through control switch group and realize the operation of motor two worm wheel, first, the operation of motor drive worm wheel, the screw, the realization is more efficient, the work is unloaded to the realization is guaranteed to the work, and the efficiency is guaranteed to the realization is rotated to the side-to the side down, and is rotated to the work is guaranteed, when the two-channel is rotated, and is driven to the work is driven to the rotation, and is driven to the work and has the life and has been rotated, and has improved, and has been driven the work and has been rotated.

2. After the clamping is stable, a person closes the motor through the control switch group to realize the operation of the motor III, the motor III operates, the output shaft of the motor III rotates to drive the screw to rotate, the screw rotates to enable the sliding seat to move in the sliding cavity, when the sliding seat moves to a required position, the person closes the motor III through the control switch group and realizes the operation of the hydraulic pump, the hydraulic pump pumps oil into the oil inlet of the telescopic column, the telescopic end of the telescopic column moves downwards, the pressing plate is pushed to move downwards, finally the punch downwards is realized, the punching work is finished, in the sliding process of the sliding seat, the driven telescopic rod follows to stretch, in the pressing plate downwards moving process, the pressing plate drives the driven telescopic rod downwards to move and then drives the sliding block to slide on the guide column, the auxiliary effect of the punch downwards moving process is realized, the upward and downward moving process of the punching equipment is stable, the application range of the punching work which can be finished is wider, and the punching positioning is more accurate under the assistance of the guide column, and the work error is effectively reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the interior of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

fig. 4 is an enlarged schematic view of the structure of the present utility model at B.

In the figure: the device comprises a workbench, a clamping mechanism, a motor I, a worm 22, a worm wheel 23, a bidirectional screw rod 24, a clamping plate 25, a clamping lifting mechanism 3, a motor II, a cam 32, a connecting shaft 33, a connecting rod 34, a U-shaped seat 35, a position adjusting mechanism 4, a motor III, a guide post 42, a driven telescopic rod 43, a sliding rail 44, a screw rod 45, a sliding seat 46, a telescopic post 47, a base 5, an electric telescopic rod 6, a clamping strip 7, a hydraulic pump 8, a punch 9, a sleeve 10, a column 11, a lifting plate 12, a fixed plate 13, a control switch group 14, support legs 15, guide plates 16, positioning strips 17 and a support 18.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: a steel structure processing and punching device comprises a workbench 1, a clamping mechanism 2, a clamping lifting mechanism 3 and a position adjusting mechanism 4;

work table 1: the middle part of the workbench is provided with two sliding ports which are distributed left and right symmetrically, clamping plates 25 are connected in a sliding manner, the bottom surface of the workbench 1 is provided with four uniformly distributed sleeves 10, the interiors of the sleeves 10 are connected with upright posts 11 in a sliding manner, the bottom ends of the upright posts 11 are fixedly connected with the upper end of one adjusting plate 12, in the lifting process of the adjusting plate 12, the upright posts 11 slide in the corresponding sleeves 10, the stability of the adjusting plate 12 in the lifting process is effectively ensured, the stability of the clamping mechanism 2 is further ensured, the four corners of the bottom surface of the workbench 1 are provided with supporting feet 15, a fixing plate 13 is arranged between the four supporting feet 15, the front end of the upper surface of the workbench 1 is provided with a positioning strip 17, so that the clamping work of a steel structure is more stable, the punching positioning is more accurate, the lower end of a waste port in the middle part of the workbench 1 is provided with a guide plate 16, waste materials are convenient to clean, meanwhile, the front side right end of the workbench 1 is provided with a control switch group 14, the input end of the control switch group 14 is electrically connected with the output end of an external power supply, and the output end of the control switch group 14 is electrically connected with the output end of the telescopic electric rod 6;

clamping mechanism 2: the clamping mechanism 2 further comprises a first motor 21, a worm 22, a worm wheel 23 and a two-way screw rod 24, wherein the first motor 21 is arranged on the upper surface of the adjusting plate 12, an output shaft of the first motor 21 is fixedly connected with the worm 22, the first motor 21 runs, an output shaft of the first motor 21 rotates to drive the worm 22 to rotate, lower ends of the two clamping plates 25 are in threaded connection with the same two-way screw rod 24, the clamping plates 25 are in sliding connection with vertically corresponding sliding ports, the middle part of the two-way screw rod 24 is fixedly connected with the worm wheel 23, the worm wheel 23 is meshed with the worm 22, the worm 22 rotates to drive the worm wheel 23 to rotate, the two clamping plates 25 move in opposite directions, the clamping plates 25 slide in the vertically corresponding sliding ports, and further clamping work of a steel structure is realized, and an input end of the first motor 21 is electrically connected with an output end of the control switch group 14;

clamping lifting mechanism 3: the clamping lifting mechanism 3 comprises a second motor 31, a cam 32, a connecting shaft 33, a connecting rod 34 and a U-shaped seat 35, wherein the U-shaped seat 35 is arranged in the center of the lower bottom surface of the adjusting plate 12, the lower end of the U-shaped seat 35 is rotationally connected with the connecting rod 34 through a pin shaft, the second motor 31 is arranged on the upper surface of the fixing plate 13, an output shaft of the second motor 31 is fixedly connected with the rear end surface of the cam 32, the edge of the cam 32 is rotationally connected with the lower end of the connecting rod 34 through the connecting shaft 33, the second motor 31 runs, the output shaft of the second motor 31 rotationally drives the cam 32 to rotate, the connecting rod 34 is rotationally driven to do circular motion in the vertical direction by the cam 32 due to the height difference caused by the rotation of the cam 32, the connecting rod 34 drives the U-shaped seat 35 to vertically move up and down, and finally, the vertical position adjustment of the two clamping plates 25 is finally realized, and the input end of the second motor 31 is electrically connected with the output end of the control switch group 14;

position adjustment mechanism 4: the position adjusting mechanism 4 comprises a motor III 41, a guide post 42, a driven telescopic rod 43, a sliding rail 44, a screw 45, a sliding seat 46 and a telescopic post 47, wherein a strip-shaped groove is formed in a bracket 18 at the rear end of the workbench 1, the guide post 42 is arranged in the strip-shaped groove, a sliding block is slidably connected in the middle of the guide post 42, the driven telescopic rod 43 is fixedly connected to the front end surface of the sliding block, the sliding rail 44 is arranged at the upper end of the bracket 18, a sliding cavity is arranged in the sliding rail 44, a screw 45 is rotatably connected in the sliding cavity through a bearing, a motor III 41 is arranged at the rear end surface of the sliding rail 44, an output shaft of the motor III 41 is fixedly connected with the rear end of the screw 45, the sliding seat 46 is slidably connected with the sliding cavity, the motor III 41 runs, the output shaft of the motor III 41 rotates to drive the screw 45 to rotate, the screw 45 rotates to enable the sliding seat 46 to move in the sliding cavity, the lower end of the sliding seat 46 is provided with a telescopic column 47, the upper end of the sliding seat 46 is provided with a hydraulic pump 8, an oil guide port of the hydraulic pump 8 is communicated with an oil port of the telescopic column 47 through an oil pipe, the hydraulic pump 8 operates to guide oil into the oil port of the telescopic column 47 from the oil guide port, further control over expansion or contraction of the telescopic end of the telescopic column 47 is realized, the expansion and contraction of the telescopic end of the telescopic column 47 drives a pressing plate to move up and down, the lower end of the pressing plate is provided with a punch 9, the input end of the hydraulic pump 8 is electrically connected with the output end of the control switch group 14, the telescopic end of the telescopic column 47 is fixedly connected with the pressing plate, the rear end face of the pressing plate is fixedly connected with the telescopic end of the driven telescopic rod 43, the driven telescopic rod 43 moves up and down along with the expansion or contraction in the left and right movement process of the pressing plate, finally, the punching work is finished, and the input end of the third motor 41 is electrically connected with the output end of the control switch group 14;

wherein: still include base 5, base 5 sets up in the upper surface of workstation 1 rear end, and the front end fixedly connected with electric telescopic handle 6 of base 5, the flexible end of electric telescopic handle 6 fixedly connected with holding strip 7 electric telescopic handle 6 operation, electric telescopic handle 6's flexible end stretches, promotes holding strip 7 antedisplacement, pushes the steel construction to with the laminating of location strip 17, and then makes the stable centre gripping of steel construction in the longitudinal direction, ensures that the location of punching a hole is accurate.

The working principle of the steel structure processing and punching equipment provided by the utility model is as follows:

during operation, firstly, steel structure processing punching equipment is placed in a horizontal working area to enable the steel structure processing punching equipment to be in a stable state, a person realizes operation of a motor II 31 through a control switch group 14, the motor II 31 operates, an output shaft of the motor II 31 rotates to drive a cam 32 to rotate, under the cooperation of a connecting shaft 33, the cam 32 rotates to drive a connecting rod 34 to do circular motion in the vertical direction, the height difference caused by rotation of the cam 32 enables the connecting rod 34 to pull a U-shaped seat 35 to move downwards, further, the lower movement of an adjusting plate 12 is realized, finally, the top end of a clamping plate 25 is lower than the upper surface of a workbench 1, then the person pushes the steel structure to be processed to be attached to a positioning strip 17 through operation of a control switch group 14, the positioning and fixing of the steel structure on a positioning strip 17 are realized through operation of the control switch group 14, the motor II 31 is realized through operation of the control switch group 14, the output shaft of the motor II 31 rotates to drive the cam 32 to rotate, under the cooperation of the connecting shaft 33, the height difference caused by rotation of the cam 32 drives the connecting rod 34 to do circular motion in the vertical direction, the height difference caused by rotation of the cam 32, the rotation of the worm wheel 34 drives the worm wheel 34 to move downwards, finally, the top end of the clamping plate 35 is driven by the worm wheel 35 to move to the motor II, the upper end 21 is driven by the worm 21 is driven by the control switch II, the upper end 21 is driven by the worm 21 to rotate, the screw 21 is driven to rotate, and finally, the two-shaped 21 is driven to rotate, the two-way is realized, and the two-way 21 is driven to rotate, and is realized, and is driven to rotate, and is correspondingly by a two-rotate 21 and is driven by and is driven to rotate and is 21 and is driven to rotate and is, the motor III 41 operates, the output shaft of the motor III 41 rotates to drive the screw 45 to rotate, the screw 45 rotates to enable the sliding seat 46 to move in the sliding cavity, when the motor III 41 is closed by a person through the control switch group 14 and the operation of the hydraulic pump 8 is achieved, the hydraulic pump 8 pumps oil into the oil inlet of the telescopic column 47, the telescopic end of the telescopic column 47 moves downwards, the pressing plate is pushed to move downwards, finally the punch 9 moves downwards, the punching operation is completed, in the sliding process of the sliding seat 46, the driven telescopic rod 43 follows to stretch, in the pressing plate moving downwards, the pressing plate drives the driven telescopic rod 43 to move downwards and then drives the sliding block to slide on the guide column 42, the auxiliary effect on the punch 9 in the descending process is achieved, the moving upwards and downwards is more stable, after the punching is completed, the person sequentially achieves the operation of the position adjusting mechanism 4, the clamping mechanism 2, the clamping lifting mechanism 3 and the electric telescopic rod 6 through the control switch group 14, when the punched waste in the waste hole needs to be cleaned, the person opens downwards through the guide plate 16, and the waste is enabled to directly enter the garbage bin to avoid the influence on the operation of the mechanism.

It should be noted that, in the above embodiment, the motor one 21 may be a 5i k120A-AF motor, the motor two 31 may be a SGM7J-04AFC6S servo motor, the motor three 41 may be a 5i k90A-AF motor, the electric telescopic rod 6 may be a JC35W3 electric telescopic rod, the hydraulic pump 8 may be a ZHH-700B electric hydraulic pump, and the control switch group 14 is provided with control buttons corresponding to the motor one 21, the motor two 31, the motor three 41, the electric telescopic rod 6 and the hydraulic pump 8 one by one and used for controlling the switch thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. A steel construction processing punching equipment, its characterized in that: comprises a workbench (1), a clamping mechanism (2), a clamping lifting mechanism (3) and a position adjusting mechanism (4);

workbench (1): two sliding ports which are symmetrically distributed left and right are arranged in the middle of the workbench, four sleeves (10) which are evenly distributed are arranged on the bottom surface of the workbench (1), upright posts (11) are slidably connected in the sleeves (10), the bottom ends of the upright posts (11) are fixedly connected with the upper end of an adjusting plate (12), supporting feet (15) are arranged at four corners of the bottom surface of the workbench (1), and a fixing plate (13) is arranged in the middle between the four supporting feet (15);

clamping mechanism (2): the clamping plate (25) is respectively and slidably connected to the inside of the sliding port, and the lower end of the clamping mechanism (2) is fixedly connected with the upper surface of the adjusting plate (12);

clamping lifting mechanism (3): the device is arranged between the adjusting plate (12) and the fixed plate (13);

position adjustment mechanism (4): the device is arranged at the upper end of the workbench (1);

wherein: still include base (5), base (5) set up in the upper surface of workstation (1) rear end, the front end fixedly connected with electric telescopic handle (6) of base (5), the expansion end fixedly connected with holding strip (7) of electric telescopic handle (6).

2. A steel structure working and punching apparatus as set forth in claim 1 wherein: the right end of the front side surface of the workbench (1) is provided with a control switch group (14), the input end of the control switch group (14) is electrically connected with the output end of an external power supply, and the input end of the electric telescopic rod (6) is electrically connected with the output end of the control switch group (14).

3. A steel structure working and punching apparatus according to claim 2, characterized in that: the clamping mechanism (2) further comprises a motor I (21), a worm (22), a worm wheel (23) and a bidirectional screw rod (24), wherein the motor I (21) is arranged on the upper surface of the adjusting plate (12), an output shaft of the motor I (21) is fixedly connected with the worm (22), the lower ends of the two clamping plates (25) are in threaded connection with the same bidirectional screw rod (24), the clamping plates (25) are in sliding connection with sliding ports which vertically correspond, the worm wheel (23) is fixedly connected with the middle part of the bidirectional screw rod (24), the worm wheel (23) is meshed with the worm (22), and the input end of the motor I (21) is electrically connected with the output end of the control switch group (14).

4. A steel structure working and punching apparatus according to claim 2, characterized in that: the clamping lifting mechanism (3) comprises a motor II (31), a cam (32), a connecting shaft (33), a connecting rod (34) and a U-shaped seat (35), wherein the U-shaped seat (35) is arranged at the center of the lower bottom surface of the adjusting plate (12), the connecting rod (34) is rotationally connected to the lower end of the U-shaped seat (35) through a pin shaft, the motor II (31) is arranged on the upper surface of the fixing plate (13), an output shaft of the motor II (31) is fixedly connected with the rear end surface of the cam (32), the edge of the cam (32) is rotationally connected with the lower end of the connecting rod (34) through the connecting shaft (33), and the input end of the motor II (31) is electrically connected with the output end of the control switch group (14).

5. A steel structure working and punching apparatus according to claim 2, characterized in that: the position adjusting mechanism (4) comprises a motor III (41), a guide post (42), a driven telescopic rod (43), a sliding rail (44), a screw rod (45), a sliding seat (46) and a telescopic column (47), wherein a strip-shaped groove is formed in a support (18) at the rear end of the workbench (1), the guide post (42) is arranged in the strip-shaped groove, a sliding block is slidably connected to the middle part of the guide post (42), a driven telescopic rod (43) is fixedly connected to the front end face of the sliding block, a sliding rail (44) is arranged at the upper end of the support (18), a sliding cavity is arranged in the sliding rail (44), a screw rod (45) is rotatably connected to the inside of the sliding cavity through a bearing, a motor III (41) is arranged at the rear end face of the sliding rail (44), an output shaft of the motor III (41) is fixedly connected with the rear end of the screw rod (45), the sliding seat (46) is fixedly connected with the sliding seat (46) through middle threads, the lower end of the sliding seat (46) is fixedly connected with the telescopic column (47), a pressing plate is fixedly connected to the telescopic end of the telescopic column (47), the pressing plate is fixedly connected to the rear end face of the pressing plate and the electric control end of the motor III (43) is fixedly connected to the electric control end of the motor III (14).

6. A steel structure working and punching apparatus as set forth in claim 5 wherein: the upper end of the sliding seat (46) is provided with a hydraulic pump (8), an oil guide port of the hydraulic pump (8) is communicated with an oil port of the telescopic column (47) through an oil pipe, the lower end of the pressing plate is provided with a punch (9), and the input end of the hydraulic pump (8) is electrically connected with the output end of the control switch group (14).

7. A steel structure working and punching apparatus as set forth in claim 1 wherein: the front end of the upper surface of the workbench (1) is provided with a positioning strip (17).

8. A steel structure working and punching apparatus as set forth in claim 1 wherein: the lower end of the waste port in the middle of the workbench (1) is provided with a guide plate (16).