CN213794633U

CN213794633U - Steel tapping equipment

Info

Publication number: CN213794633U
Application number: CN202022753632.9U
Authority: CN
Inventors: 林森发; 蒲春海; 李建军
Original assignee: Dongguan Xinyang Industrial Co ltd
Current assignee: Dongguan Xinyang Industrial Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-27
Anticipated expiration: 2030-11-24

Abstract

The utility model belongs to the technical field of the technique of steel processing and specifically relates to a tooth equipment is attacked to steel is related to, and its technical scheme main points are: the tapping machine comprises a supporting seat, a machine main body arranged on the supporting seat, a tapping head which is assembled on the machine main body in a vertically sliding mode and used for tapping, and a positioning device which is movably arranged in the supporting seat and used for positioning a workpiece; the positioning device comprises a positioning rod which is in sliding fit with the supporting seat and a driving motor which is fixedly installed on the supporting seat and used for driving the positioning rod to slide, the positioning rod is arranged in a conical shape, the vertex angle of the positioning rod is located under the tapping head, and the supporting seat is provided with a positioning hole which is used for the positioning rod to run through and be in plug-in fit with the positioning rod. The application has the technical effect of improving the applicability.

Description

Steel tapping equipment

Technical Field

The application relates to the technical field of steel processing, in particular to a steel tapping device.

Background

The steel is a material with certain shape, size and performance, which is made of steel ingots, steel billets or steel materials through pressure processing. Most of steel processing is pressure processing, which causes plastic deformation of processed steel (billet, ingot, etc.). The steel products are important materials essential for national construction and realization of quartification, are widely applied and have various varieties, and are generally divided into four categories, namely section bars, plates, pipes and metal products according to different section shapes, and also divided into categories, such as heavy rails, light rails, large-sized section bars, medium-sized section bars, small-sized section bars, steel cold-formed section bars, high-quality section bars, wire rods, medium-sized steel plates, thin steel plates, silicon steel sheets for electrical engineering, strip steel, seamless steel pipe steel products, welded steel pipes, metal products and the like. In steel applications, it is sometimes necessary to open holes and provide threads in the steel to facilitate bolt installation.

For example, the Chinese utility model patent with the current bulletin number of CN206405545U discloses a high-speed drilling and tapping machine, which comprises a tapping machine body, wherein the tapping machine body comprises a base, a support plate and a frame, a feeding cylinder is arranged in the base, a fixed plate is arranged on the base, a limiting plate and a feeding groove are arranged on the fixed plate, a collecting groove is arranged on one side of the base, a cleaning machine is arranged on the support plate, a motor is arranged on one side of the support plate, a tapping device is arranged in the frame, a tapping head is arranged under the frame, the frame is connected with the tapping head through an electric telescopic rod, the high-speed drilling and tapping machine has reasonable design, the feeding cylinder can flexibly and conveniently feed articles, the tapping device can realize automatic tapping of the articles without manpower, and the electric telescopic rod can adjust the height of the tapping head, the cleaning machine is arranged, so that impurities generated by tapping can be cleaned, the surface drying is guaranteed, the structure is reliable, safe, environment-friendly and labor-saving, and the cleaning machine is suitable for wide popularization and use.

With respect to the related art among the above, the inventors consider that there is a defect: when tapping on steel is needed, a worker is required to place a workpiece between two limiting blocks, and the two limiting plates are required to be abutted against two opposite sides of the workpiece respectively, so that the workpiece can be positioned; the distance between the two limiting plates is relatively fixed, so that the tapping machine can only position workpieces of single specification, and the tapping machine is low in applicability.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability, the application provides a steel tapping equipment.

The application provides a tooth equipment is attacked to steel adopts following technical scheme:

a steel tapping device comprises a supporting seat, a machine main body arranged on the supporting seat, a tapping head which is assembled on the machine main body in a vertically sliding mode and used for tapping, and a positioning device which is movably arranged in the supporting seat and used for positioning a workpiece; the positioning device comprises a positioning rod in sliding fit with the supporting seat and a driving motor fixedly mounted on the supporting seat and used for driving the positioning rod to slide, the positioning rod is arranged in a conical shape, the vertex angle of the positioning rod is located under the tapping head, and the supporting seat is provided with a positioning hole for the positioning rod to penetrate through and be in plug-in fit with the positioning rod.

Through adopting above-mentioned technical scheme, when needs are attacked the tooth to the work piece, the staff places the work piece in supporting seat department, and then be linked together hole and locating hole that the tooth needs be attacked to the work piece, and then the staff starts driving motor, and then driving motor drive locating lever slides, make the apex angle of locating lever run through locating hole and work piece in proper order, lateral wall and work piece looks butt until the locating lever, and then driving motor stop driving, the locating lever stops sliding, and then the joint cooperation between locating lever and the work piece, utilize the coniform setting of locating lever, and then the locating lever can with the not unidimensional hole grafting cooperation in the work piece, make the locating lever can with the joint cooperation between the unidimensional work piece, and then the suitability has been improved.

Preferably, the positioning device further comprises a sliding assembly for sliding and matching the positioning rod in the supporting seat, the sliding assembly comprises a screw rod rotatably connected in the supporting seat and a sliding block fixedly connected to the positioning rod, the screw thread refining stage is arranged between the sliding block and the screw rod, and the screw rod is connected with the driving motor.

By adopting the technical scheme, when the positioning rod needs to slide, a worker starts the driving motor, so that the driving motor drives the screw rod to rotate, meanwhile, the screw rod and the sliding block relatively rotate, the sliding block is in sliding fit along the length direction of the screw rod, and the sliding block drives the positioning rod to slide in the same direction; when the workpiece needs to be positioned, the screw rod rotates along a certain direction, so that the positioning rod sequentially penetrates through the positioning hole and the workpiece until the positioning rod is abutted against the workpiece; when the positioning is completed and the tapping is needed, the driving motor drives the screw rod to rotate reversely, and then the positioning rod slides reversely until the vertex angle of the positioning rod moves back to the supporting seat.

Preferably, the slider is provided with a guide groove, and a guide block matched with the guide groove in a sliding manner is fixedly connected in the supporting seat.

Through adopting above-mentioned technical scheme, when the lead screw rotated, relative rotation between slider and the lead screw, relative sliding between slider and the guide block simultaneously, and then the cooperation of sliding between guide way and the guide block, and then when having reduced the slider along the lead screw length direction cooperation of sliding, the condition emergence of circumferential direction swing can appear in the slider.

Preferably, the lead screw rotates and is connected with the stopper, the stopper can with the slider butt cooperation.

Through adopting above-mentioned technical scheme, when accomplishing the location and need attacking the tooth to the work piece, the staff starts driving motor, and then driving motor drive lead screw antiport for the slider slides to the inside of supporting seat gradually, and then the slider drives the locating lever syntropy and slides, and until slider and stopper looks butt, and then the slider stops sliding, and the apex angle of locating lever breaks away from the work piece and is located the supporting seat simultaneously.

Preferably, positioner is still including setting up the transmission assembly who is used for transmitting power to the lead screw between lead screw and driving motor, transmission assembly including fixed connection in the transfer line of driving motor output shaft, fixed cover connect in the action wheel of transfer line and fixed cover connect in the follow driving wheel of lead screw, the transfer line with coaxial rotation is connected between the driving motor output shaft, the action wheel with the perpendicular meshing transmission between the follow driving wheel.

Through adopting above-mentioned technical scheme, when needs drive lead screw rotate, the staff starts driving motor, and then driving motor output shaft rotates, and the output shaft drives the coaxial rotation of transfer line and connects simultaneously, and then the transfer line drives the coaxial rotation of action wheel, utilizes the action wheel and from the meshing transmission between the driving wheel for rotate from the driving wheel, and then rotate from the driving wheel and drive the lead screw and rotate.

Preferably, the pressing device is arranged above the supporting seat, and comprises a pressing head movably mounted on the machine body and used for pressing the workpiece, and a driving cylinder fixedly connected to the machine body and used for driving the pressing head to slide, wherein the driving cylinder is connected with the pressing head.

Through adopting above-mentioned technical direction, when accomplishing the location to the work piece, the staff starts and drives actuating cylinder, drives actuating cylinder drive press head and slides and press down in workpiece surface, and then the supporting seat supports respectively with the installation piece tightly in the relative both sides of work piece makes the position of work piece remain unchanged, and then the staff restarts driving motor for the locating lever slides to the inside direction of supporting seat, slides to the supporting seat in until the apex angle of locating lever, and then attacks the tooth head and can attack the tooth to the work piece.

Preferably, the number of the pressing devices is two, and the two groups of the pressing devices respectively press two opposite ends of the workpiece in the length direction or the width direction.

Through adopting above-mentioned technical scheme, when needs press the work piece, utilize two sets of press devices for the press head is pressed in the relative both ends of work piece, and then can improve the steadiness when equipment is attacked the tooth to the work piece.

Preferably, the pressing head is a rubber pressing head.

Through adopting above-mentioned technical scheme, at the in-process of pressing the work piece, utilize the rubber press head, and then avoided appearing the condition emergence of rigid contact between press head and the work piece, and then reduced the damage that the press head led to the fact the work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the workpiece is placed at the supporting seat through a worker, a hole, needing tapping, of the workpiece is communicated with the positioning hole, the worker starts the driving motor, the driving motor drives the positioning rod to slide, the vertex angle of the positioning rod sequentially penetrates through the positioning hole and the workpiece until the side wall of the positioning rod is abutted against the workpiece, the driving motor stops driving, the positioning rod stops sliding, the positioning rod and the workpiece are clamped and matched, the positioning rod can be in inserted connection and matching with holes of different sizes in the workpiece through the conical arrangement of the positioning rod, the positioning rod can be in clamped and matching with the workpieces of different sizes, and therefore applicability is improved;

2. the working personnel starts the driving motor, so that the driving motor drives the screw rod to rotate, meanwhile, the screw rod and the sliding block relatively rotate, the sliding block is in sliding fit along the length direction of the screw rod, and the sliding block drives the positioning rod to slide in the same direction; when the workpiece needs to be positioned, the screw rod rotates along a certain direction, so that the positioning rod sequentially penetrates through the positioning hole and the workpiece until the positioning rod is abutted against the workpiece; when the positioning is finished and the tapping is needed, the driving motor drives the screw rod to rotate reversely, so that the positioning rod slides reversely until the vertex angle of the positioning rod moves back to the supporting seat;

3. drive actuating cylinder through the staff start, drive actuating cylinder drive press head and slide and press down in workpiece surface, and then the supporting seat supports respectively tightly in the relative both sides of work piece with the installation piece and makes the position of work piece remain unchangeable, and then the staff restarts driving motor for the locating lever slides to the inside direction of supporting seat, slides to the supporting seat in until the apex angle of locating lever, and then attacks the tooth head and can attack the tooth to the work piece.

Drawings

Fig. 1 is a schematic view of the overall structure of a steel tapping apparatus according to the present embodiment;

fig. 2 is a partial structural sectional view of the positioning device in this embodiment.

In the figure, 1, a support seat; 11. an accommodating cavity; 12. positioning holes; 13. a guide block; 2. a machine main body; 21. a vertical rod; 22. a cross bar; 3. tapping a tooth head; 41. a support plate; 42. a push rod; 43. a pressing head; 44. a driving cylinder; 51. positioning a rod; 52. a sliding assembly; 521. a screw rod; 522. a slider; 523. a guide groove; 524. a limiting block; 53. a transmission assembly; 531. a transmission rod; 532. a driving wheel; 533. a driven wheel; 54. a drive motor; 6. a fixing plate; 7. and (5) a workpiece.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a steel tapping device. Referring to fig. 1, the tapping apparatus includes a support base 1 vertically disposed on the ground, a main body 2 fixedly mounted on the support base 1, a tapping head 3 slidably mounted on the main body 2 up and down for tapping a workpiece 7, and a pressing device disposed on the main body 2 for pressing the workpiece 7. Supporting seat 1 is the cuboid setting, and supporting seat 1's one end fixed mounting extends to the direction that leaves ground in ground, the other end, and supporting seat 1 is used for placing the material. Specifically, the main body 2 includes a vertical rod 21 fixed to the support base 1 by welding and a horizontal rod 22 fixed to the vertical rod 21 by welding. Montant 21 and horizontal pole 22 all are the cuboid setting, and the one end welded fastening of montant 21 is in the one end that supporting seat 1 deviates from ground, and the other end of montant 21 is followed to vertical direction to the direction extension of keeping away from supporting seat 1. One end welded fastening of horizontal pole 22 is in the lateral wall of montant 21, and horizontal pole 22 is located the one end that montant 21 deviates from supporting seat 1, and a side of horizontal pole 22 and the terminal surface that supporting seat 1 deviates from ground are relative setting along vertical direction. Tapping head 3 is movably assembled at one end of cross rod 22 deviating from vertical rod 21, tapping head 3 and one end of supporting seat 1 deviating from the ground are arranged oppositely along the vertical direction, and tapping device (not shown in the figure) for tapping head 3 to slide up and down and rotate is arranged in cross rod 22.

Referring to fig. 1, preferably, in the present embodiment, the number of the pressing devices is two, and the two pressing devices are respectively located at two opposite sides of the cross bar 22 and are oppositely arranged along the horizontal direction. The tapping head 3 is positioned between the two groups of pressing devices. Specifically, the pressing device includes a support plate 41 fixed to the cross bar 22 in the horizontal direction, a push rod 42 slidably mounted on the support plate 41, a pressing head 43 fixedly connected to the push rod 42 for pressing the workpiece 7, and a driving cylinder 44 mounted on the support plate 41 for driving the push rod 42 to slidably move. The support plate 41 is rectangular, one end of the support plate 41 in the length direction is welded and fixed to one side of the cross bar 22, and the other end of the support plate 41 in the length direction extends in the horizontal direction away from the cross bar 22. The backup pad 41 is located the one end that the lateral wall of horizontal pole 22 deviates from montant 21, and the length direction of backup pad 41 is perpendicular mutually with the length direction of horizontal pole 22, and one side and the supporting seat 1 that the thickness direction of backup pad 41 is ascending simultaneously is relative the setting with supporting seat 1 deviates from ground one end. The driving cylinder 44 is bolted to one side of the supporting plate 41, which is away from the supporting seat 1, and the piston rod of the driving cylinder 44 faces the supporting plate 41. The push rod 42 is disposed in a cylindrical shape, one end of the push rod 42 is welded to the piston rod of the driving cylinder 44, and the other end of the push rod 42 penetrates through the two opposite sides of the support plate 41 and extends toward the support base 1. The end of the push rod 42 facing away from the driving cylinder 44 is opposite to the end of the support base 1 facing away from the ground. The pressing head 43 is disposed in a sphere-like shape, and the pressing head 43 is bonded and fixed to an end of the push rod 42 away from the support plate 41, preferably, in this embodiment, the pressing head 43 is a rubber pressing head 43, so as to reduce damage to the workpiece 7 caused by the pressing head 43 in the process of pressing the workpiece 7.

When needing welded workpiece 7, the staff places work piece 7 in the one end that supporting seat 1 deviates from ground, work piece 7 is located attacks tooth head 3 under simultaneously, and then the staff starts and drives actuating cylinder 44, it releases to drive actuating cylinder 44 piston rod, and then it drives actuating cylinder 44 piston rod and drive push rod 42 and slide to the direction of supporting seat 1, and then push rod 42 drives press head 43 syntropy and slides and press work piece 7, make work piece 7 remain stable, utilize and attack the tooth device, and then attack tooth head 3 and attack the hole of tooth to work piece 7 and need attack the tooth to the direction removal of work piece 7 and attack the tooth.

Referring to fig. 1 and 2, the tapping device further comprises a positioning device movably mounted in the supporting seat 1, and the positioning device is used for positioning a hole to be tapped of the workpiece 7. The supporting seat 1 is provided with an accommodating cavity 11 for accommodating the positioning device. Specifically, the positioning device comprises a positioning rod 51 connected in the support seat 1 in a sliding manner and used for positioning the workpiece 7, and a sliding assembly 52 movably installed in the support seat 1 and used for sliding the positioning rod 51. One end of the supporting seat 1 deviating from the ground is provided with a positioning hole 12 for the positioning rod 51 to penetrate through the supporting seat 1, and the positioning hole 12 is communicated with the tapping head 3 and is positioned under the tapping head 3. The positioning rod 51 is disposed in a conical shape, the positioning rod 51 is disposed in the vertical direction, the tip angle of the positioning rod 51 faces the positioning hole 12, and the bottom surface of the positioning rod 51 faces away from the positioning hole 12. The positioning rod 51 can slide along the vertical direction, and then can penetrate through the positioning hole 12 to be matched with a hole of the workpiece 7 to be tapped in an inserting manner.

Referring to fig. 1 and 2, in particular, the sliding assembly 52 further includes a screw 521 rotatably connected in the support base 1 and a sliding block 522 threadedly connected with the screw 521. The screw 521 is arranged along the vertical direction, the screw 521 is rotatably connected to two opposite ends of the support seat 1 in the vertical direction, and the length direction of the screw 521 is parallel to the length direction of the support seat 1. The limiting block 524 penetrates through one end, facing the ground, of the screw 521, and the limiting block 524 is rotatably connected with the screw 521. The slider 522 is rectangular, and the length direction of the slider 522 is perpendicular to the length direction of the screw 521. The screw rod 521 penetrates through two opposite sides of the sliding block 522, the screw rod 521 is in threaded connection with the sliding block 522, and then the sliding block 522 can be in sliding fit along the length direction of the screw rod 521. One end of the sliding block 522 is in threaded connection with the screw rod 521, the other end of the sliding block 522 is welded and fixed with the side wall of the positioning rod 51, and the sliding block 522 is located at one end, close to the bottom surface, of the side wall of the positioning rod 51. The slider 522 may be in abutting engagement with the stop block 524. When the sliding block 522 is abutted and matched with the limiting block 524, the positioning rod 51 is completely accommodated in the accommodating cavity 11.

Referring to fig. 1 and 2, guide blocks 13 are welded and fixed in the support base 1, and opposite ends of the guide blocks 13 are welded and fixed to opposite ends of the support base 1. The guide block 13 is located the holding chamber 11, and the guide block 13 is the setting of cuboid, and the length direction of guide block 13 is parallel with the length direction of supporting seat. One side of the sliding block 522 is provided with a guide groove 523 for the insertion and matching of the guide block 13, and the guide groove 523 can be matched with the guide block 13 in a sliding manner along the length direction.

When the workpiece 7 needs to be positioned, a worker places the workpiece 7 at one end of the supporting seat 1, which is far away from the ground, and simultaneously communicates a hole to be tapped in the workpiece 7 with the positioning hole 12 at the supporting seat 1, so that the worker rotates the screw rod 521, the screw rod 521 and the sliding block 522 relatively rotate, the sliding block 522 is in sliding fit along the length direction of the screw rod 521, meanwhile, the guide groove 523 in the sliding block 522 slides along the length direction of the guide block 13, and the occurrence of circumferential swinging in the relative rotation process of the sliding block 522 and the screw rod 521 is reduced; meanwhile, the sliding block 522 drives the positioning rod 51 to slide towards the direction of the workpiece 7, so that the vertex angle of the positioning rod 51 penetrates through the positioning hole 12 in the supporting seat 1 and is in inserting fit with a hole needing tapping in the workpiece 7, in the inserting fit process, the positioning rod 51 gradually adjusts the relative position of the workpiece 7 until the positioning rod 51 is abutted against the workpiece 7, and at the moment, the hole needing tapping in the workpiece 7 is coaxially arranged with the tapping head 3 and the sharp angle of the positioning rod 51, so that the workpiece 7 is positioned; then, the worker reuses the pressing assembly, and the pressing head 43 presses the workpiece 7, so that the position of the workpiece 7 is kept unchanged; then, the worker reversely rotates the screw rod 521, so that the sliding block 522 reversely slides, and further drives the positioning rod 51 to be separated from the workpiece 7 and move towards the inner direction of the accommodating cavity 11 until the sliding block 522 is abutted to the limiting block 524, and further the positioning rod 51 is completely accommodated in the accommodating cavity 11, thereby facilitating the later stage tapping of the hole to be tapped in the workpiece 7 by the tapping head 3.

Referring to fig. 1 and 2, the positioning device further includes a driving motor 54 fixedly installed on the support base 1 for driving the screw 521 to rotate, and a transmission assembly 53 movably installed between the driving motor 54 and the screw 521 for transmitting power to the screw 521. One side welded fastening of supporting seat 1 has the fixed plate 6 that supplies driving motor 54 to install, and fixed plate 6 is the cuboid setting, and the one end of fixed plate 6 welds in supporting seat 1, and the other end of fixed plate 6 extends to the direction that is kept away from supporting seat 1 along the horizontal direction. The driving motor 54 is welded and fixed at one end of the fixing plate 6, which is far away from the ground, and the output shaft of the driving motor 54 faces the side wall of the supporting seat 1.

Referring to fig. 1 and 2, in detail, the transmission assembly 53 includes a driven wheel 533 fixed to one end of the screw 521 facing the ground, a transmission rod 531 coaxially and fixedly connected to the output shaft of the driving motor 54 and penetrating through the support base 1, and a driving wheel 532 fixed to the transmission rod 531. The transmission rod 531 is disposed in a cylindrical shape, one end of the transmission rod 531 is coaxially welded and fixed to the end of the output shaft, and the other end of the transmission rod 531 penetrates through the support seat 1 along the horizontal direction and extends into the accommodating cavity 11. The driving wheel 532 is fixedly sleeved at one end of the transmission rod 531 departing from the driving motor 54. Preferably, in this embodiment, the driving wheel 532 and the driven wheel 533 are both bevel gears, and the driving wheel 532 and the driven wheel 533 are in vertical meshing transmission.

The implementation principle of the steel tapping equipment in the embodiment of the application is as follows:

when the screw 521 needs to be rotated, a worker starts the driving motor 54, an output shaft of the driving motor 54 rotates, the driving motor 54 drives the transmission rod 531 to rotate coaxially, the transmission rod 531 rotates to drive the driving wheel 532 to rotate coaxially, vertical meshing transmission between the driving wheel 532 and the driven wheel 533 is utilized, the driving wheel 532 rotates to drive the driven wheel 533 to rotate, and the driven wheel 533 rotates to drive the screw 521 to rotate coaxially.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tooth equipment is attacked to steel which characterized in that: the tapping machine comprises a supporting seat (1), a machine body (2) arranged on the supporting seat (1), a tapping head (3) which is assembled on the machine body (2) in a vertically sliding mode and used for tapping, and a positioning device which is movably arranged in the supporting seat (1) and used for positioning a workpiece (7); the positioning device comprises a positioning rod (51) in sliding fit with the supporting seat (1) and a driving motor (54) fixedly installed on the supporting seat (1) and used for driving the positioning rod (51) to slide, the positioning rod (51) is arranged in a conical shape, the vertex angle of the positioning rod (51) is located right below the tapping head (3), and the supporting seat (1) is provided with a positioning hole (12) for the positioning rod (51) to penetrate through and be in plug-in fit with.

2. The steel tapping apparatus of claim 1, wherein: the positioning device further comprises a sliding assembly (52) for the positioning rod (51) to be in sliding fit in the supporting seat (1), the sliding assembly (52) comprises a screw rod (521) rotatably connected in the supporting seat (1) and a sliding block (522) fixedly connected to the positioning rod (51), the sliding block (522) is in threaded connection with the screw rod (521), and the screw rod (521) is connected with the driving motor (54).

3. The steel tapping apparatus of claim 2, wherein: the slider (522) is provided with a guide groove (523), and a guide block (13) which is matched with the guide groove (523) in a sliding manner is fixedly connected in the supporting seat (1).

4. The steel tapping apparatus of claim 2, wherein: the screw rod (521) is rotatably connected with a limiting block (524), and the limiting block (524) can be abutted and matched with the sliding block (522).

5. The steel tapping apparatus of claim 2, wherein: the positioning device further comprises a transmission assembly (53) arranged between the screw rod (521) and the driving motor (54) and used for transmitting power to the screw rod (521), the transmission assembly (53) comprises a transmission rod (531) fixedly connected to an output shaft of the driving motor (54), a driving wheel (532) fixedly sleeved on the transmission rod (531) and a driven wheel (533) fixedly sleeved on the screw rod (521), the transmission rod (531) is coaxially and rotatably connected with the output shaft of the driving motor (54), and the driving wheel (532) and the driven wheel (533) are vertically meshed for transmission.

6. The steel tapping apparatus of claim 1, wherein: the pressing device is arranged above the supporting seat (1), and comprises a pressing head (43) movably arranged on the machine body (2) and used for pressing the workpiece (7) and a driving cylinder (44) fixedly connected to the machine body (2) and used for driving the pressing head (43) to slide, wherein the driving cylinder (44) is connected with the pressing head (43).

7. The steel tapping apparatus of claim 6, wherein: the number of the pressing devices is two, and the two groups of the pressing devices are respectively pressed at two opposite ends of the workpiece (7) in the length direction or the width direction.

8. The steel tapping apparatus of claim 6, wherein: the pressing head (43) is a rubber pressing head (43).