CN117884685A - Hardware processing perforating device - Google Patents

Abstract

The invention relates to the technical field of round tubular hardware processing and punching, in particular to a hardware processing and punching device. The drill bit is rotatably mounted at one end of the handheld perforating gun body, a first transmission assembly is fixedly arranged at the mounting position, close to the drill bit, of the outer wall of the handheld perforating gun body, a shell used for collecting waste scraps generated during perforating is fixedly arranged at the outer end of the first transmission assembly, and two ends of the shell are of a telescopic structure. The first transmission assembly is beneficial to ensuring the stability of the drill bit of the handheld perforating gun to move towards the shell, and preventing the drill bit from slipping and shifting with the outer wall of the circular tubular hardware when perforating, so that the normal perforating operation is influenced; the second transmission assembly drives the circular tubular hardware fixed inside the shell to axially move, a row of holes can be drilled on the outer wall of the circular tube according to the requirement, the two rotation assemblies rotate to drive the circular tubular hardware fixed inside the shell to rotate, and a circle of holes can be drilled on the outer wall of the circular tube according to the requirement.

Description

Hardware processing perforating device

Technical Field

The invention relates to the technical field of round tubular hardware processing and punching, in particular to a hardware processing and punching device.

Background

The hardware fitting refers to a machine part or a part manufactured by hardware, and some small hardware products, which can be used independently and also can be used as auxiliary tools, such as hardware tools, hardware parts, daily hardware, construction hardware, security products and the like, and the small hardware products are not final consumer products, but are used as matched products, semi-finished products and tools used in the production process of industrial manufacture.

At present, in order to facilitate processing of a circular tubular hardware workpiece, a punching and positioning device is usually needed, but in the prior art, when the circular tubular hardware fitting is punched, the accuracy of positioning of the circular tubular hardware workpiece to be processed is usually difficult to ensure, and the condition that a drill bit of a handheld punching machine is not vertical to the circular tubular hardware workpiece to be processed easily occurs, so that hole centers on two sides of the outer wall of the circular tube are not coaxial; the stability of the position between the drill bit of the handheld puncher and the circular tubular hardware to-be-machined part is difficult to ensure, the situation that the drill bit slips and deviates easily occurs, and the normal punching operation is influenced; in addition, in practical use, a plurality of holes are usually required to be punched in the outer wall of the same circular tubular hardware workpiece, so that the workpiece to be machined after being fixed needs to be enabled to be changed according to the requirement.

In view of this, we propose a hardware processing perforating device.

Disclosure of Invention

The invention aims to provide a hardware processing punching device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the invention provides a hardware processing perforating device, which comprises a handheld perforating gun body, wherein a drill bit is rotatably arranged at one end part of the handheld perforating gun body, a first transmission component is fixedly arranged at the mounting part of the outer wall of the handheld perforating gun body, which is close to the drill bit, a shell for collecting scraps generated during perforating is fixedly arranged at the outer end part of the first transmission component, a through hole is formed in the outer wall of the shell, the drill bit is movably matched with the through hole, two end parts of the shell are of telescopic structures, a second transmission component is fixedly arranged at the outer wall of the shell, two end parts of the second transmission component are movably matched with two end parts of the shell respectively, the second transmission component is used for controlling the telescopic adjustment length of the two end parts of the shell, rotating components are fixedly arranged at the two end parts of the shell, the inner end parts of the two rotating components are respectively extended into the shell, and the two end parts of the second transmission component are respectively connected with the outer walls of the two rotating components in a rotating mode, which are close to the outer end parts of the rotating components.

As a further improvement of the technical scheme, the first transmission assembly comprises a supporting plate, the supporting plate is fixedly connected with the outer wall of the handheld perforating gun body, which is close to the mounting position of the drill bit, first electric push rods are symmetrically arranged on two sides of the supporting plate, the fixed ends of the two first electric push rods are respectively fixedly connected with two sides of the supporting plate, and the two fixed ends and the movable ends of the two first electric push rods are respectively fixedly arranged on the outer wall of the shell, which is close to the two sides of the through hole.

As a further improvement of the technical scheme, the shell comprises an outer shell, the through hole is formed in the outer wall of the outer shell, inner shells are symmetrically arranged at two ends of the inner wall of the outer shell, the inner shells are connected with the inner wall of the outer shell in a sliding mode, extension edges are fixedly arranged on the outer wall of the inner shell, close to the outer end, of the inner wall, and the inner side surfaces of the extension edges are respectively in movable fit with the two end portions of the outer shell.

As a further improvement of the technical scheme, the ends, close to the wall thickness of the inner walls, of the two inner shells are narrow, and the ends, far away from the wall thickness of the inner walls, of the two inner shells are thick.

As a further improvement of the technical scheme, the second transmission assembly comprises a supporting block, the supporting block is fixedly connected with the outer wall of the outer shell, second electric push rods are symmetrically arranged on two sides of the supporting block, fixed ends of the two second electric push rods are fixedly connected with two sides of the supporting block respectively, guide plates are fixedly arranged at movable ends of the two second electric push rods respectively, inner surfaces of the guide plates are movably matched with two outer end parts of the inner shell respectively, and lower end parts of the guide plates are rotatably connected with two outer end parts of the outer wall of the rotating assembly respectively.

As a further improvement of the technical scheme, the two rotating assemblies comprise rotating columns, the two rotating columns are respectively fixedly connected with the two inner shells, the inner end parts of the two rotating columns respectively extend into the two inner shells, the outer end parts of the two rotating columns respectively extend out of the two inner shells, the outer end parts of the two rotating columns are respectively fixedly provided with hand wheels, and the lower end parts of the two guide plates are respectively and rotatably connected with the outer end parts of the outer walls of the two rotating columns close to the outer end parts.

As a further improvement of the technical scheme, the outer surfaces of the two inner shells are provided with scale marks, the outer walls of the two guide plates are provided with perspective holes, the perspective holes are movably matched with the scale marks, the inner surfaces of the two guide plates are close to the upper end parts and are respectively fixedly provided with a limiting component, and the two limiting components are respectively movably matched with the inner side surfaces of the two extending edges.

As a further improvement of the technical scheme, the two limiting assemblies comprise clamping plates, the outer surfaces of the clamping plates are respectively in movable fit with the inner side surfaces of the extending edges, the two outer surfaces of the clamping plates are respectively provided with screws in a rotating mode close to the upper end portions, the outer end portions of the two screws respectively extend out of the two guide plates, the two screws are respectively in threaded connection with the two guide plates, guide rods are respectively and fixedly arranged on the two sides, close to the screw rods, of the outer end portions of the guide rods respectively extend out of the two guide plates, and the guide rods are respectively in sliding connection with the two guide plates.

As a further improvement of the technical scheme, a circle of clamping teeth are fixedly arranged on the inner side surfaces of the two extending edges, clamping grooves are formed in the outer surfaces of the two clamping plates, and the clamping grooves are respectively in movable fit with the clamping teeth.

As a further improvement of the technical scheme, the two scraping assemblies are fixedly arranged at the inner ends of the rotating posts respectively, each scraping assembly comprises a fixing rod, each fixing rod is fixedly connected with the inner ends of the rotating posts respectively, springs are fixedly arranged inside the fixing rods respectively, movable rods are fixedly arranged at the outer ends of the springs respectively, the outer walls of the movable rods are respectively and slidably connected with the inner walls of the fixing rods, scraping rods are fixedly arranged at the outer ends of the movable rods respectively, and the scraping rods are movably matched with the inner walls of round tubular hardware subjected to punching processing.

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

1. In this hardware processing perforating device, treat the machined part to pipe form five metals before punching, through starting second drive assembly, make its expansion end stretch out and drive the casing and open, will treat the pipe form five metals that punches this moment and treat the machined part and put into the inside of casing, make the expansion end shrink of second drive assembly, alright treat the both ends of machined part with pipe form five metals and carry out the centre gripping location.

2. In this hardware processing perforating device, after the work piece is treated to pipe form hardware is held the location, through starting first drive assembly, make its expansion end shrink drive the drill bit of handheld rifle body of punching to casing direction department remove, until make the drill bit stretch into the inside of casing, and punch the processing to fixing the pipe form hardware in the casing inside, first drive assembly is favorable to guaranteeing the stability that the drill bit of handheld rifle removed to the casing this moment, prevent the drill bit when punching, the condition of the skew that skids takes place with pipe form hardware outer wall, influence the work of punching normally goes on.

3. In this hardware processing perforating device, treat the machined part to pipe form hardware and punch the in-process, stretch out through making one of them second drive assembly's expansion end, make another second drive assembly's expansion end shrink equal length, drive the pipe form hardware axial displacement of fixing inside the casing to can beat one row of hole at the pipe outer wall as required, rotate through two rotating assemblies and drive the pipe form hardware rotation of fixing at the casing inside, can beat one round hole at the pipe outer wall as required.

Drawings

FIG. 1 is a schematic view of the overall structure of the handheld perforating gun body and housing of the present invention, as well as between the components;

FIG. 2 is a side view of the overall structure between the hand-held perforating gun body and the housing of the present invention;

FIG. 3 is a split view of the overall structure between the hand-held perforating gun body and the housing and components of the present invention;

FIG. 4 is a cross-sectional view of the overall structure between the drill bit and the housing and between the components of the present invention;

FIG. 5 is a side view of the overall structure between the drill bit and the housing and between the components of the present invention;

FIG. 6 is a cross-sectional view of the overall structure of the tubular hardware of the present invention after a row of holes is drilled in the interior of the housing;

FIG. 7 is a fragmentary view of the overall structure between the housing and the rotating assembly and the doctoring assembly and the second drive assembly of the present invention;

FIG. 8 is a schematic view of the overall structure between the second assembly and the spacing assembly of the present invention;

fig. 9 is a cross-sectional view of the overall structure between the housing and scraper assembly and the rotating and spacing assemblies of the present invention;

FIG. 10 is a split view of the overall structure between the inner shell and the spacing assembly in the housing of the present invention;

FIG. 11 is a split view of the overall structure between the inner housing and the rotating and spacing assemblies in the housing of the present invention;

FIG. 12 is a schematic view of the overall structure of the spacing assembly of the present invention;

fig. 13 is a schematic view of the overall structure between the rotating assembly and the scraping assembly of the present invention.

The meaning of each reference sign in the figure is:

1. A hand-held perforating gun body; 10. A drill bit;

2. a first transmission assembly; 20. A support plate; 21. A first electric push rod;

3. A housing; 30. a through hole; 31. a housing; 32. an inner case; 320. scale marks; 33. an extension edge; 330. latch teeth;

4. A second transmission assembly; 40. a support block; 41. a second electric push rod; 42. a guide plate; 420. a perspective hole;

5. A rotating assembly; 50. a rotating column; 51. a hand wheel;

6. A limit component; 60. a clamping plate; 600. a clamping groove; 61. a screw; 62. a guide rod;

7. a scraping assembly; 70. a fixed rod; 71. a spring; 72. a movable rod; 73. a scraping rod.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-13, the embodiment provides a hardware processing and punching device, including a handheld punching gun body 1, a drill bit 10 is rotatably installed at one end of the handheld punching gun body 1, a first transmission assembly 2 is fixedly arranged at a mounting position of an outer wall of the handheld punching gun body 1, which is close to the drill bit 10, a shell 3 for collecting scraps generated during punching is fixedly arranged at an outer end of the first transmission assembly 2, a through hole 30 is formed in an outer wall of the shell 3, the drill bit 10 is movably matched with the through hole 30, two ends of the shell 3 are of a telescopic structure, a second transmission assembly 4 is fixedly arranged at an outer wall of the shell 3, two ends of the second transmission assembly 4 are respectively movably matched with two ends of the shell 3, the second transmission assembly 4 is used for controlling the telescopic adjustment of the two ends of the shell 3, before punching a tubular hardware workpiece is performed, the movable end of the tubular hardware workpiece is stretched out and driven to be opened by starting the second transmission assembly 4, and at this time, the tubular hardware workpiece to be punched is placed into the interior of the shell 3, the movable end of the second transmission assembly 4 is contracted, and two ends of the tubular hardware workpiece to be clamped and positioned; after pipe form five metals are treated the machined part by the centre gripping location, through starting first drive assembly 2, make its expansion end shrink drive the drill bit 10 of handheld rifle body 1 to casing 3 direction department remove, until make drill bit 10 stretch into the inside of casing 3, and to fixing the pipe form hardware that casing 3 is inside punch the processing, this moment first drive assembly 2 is favorable to guaranteeing the stability that the drill bit 10 of handheld rifle body 1 removed to casing 3, prevent drill bit 10 when punching, take place the condition of the skew that skids with the pipe form five metals outer wall, influence the work of punching and normally go on, casing 3 both ends are all fixed and are equipped with rotating assembly 5, the inner end of two rotating assembly 5 all stretches into casing 3 inside, and the both ends of second drive assembly 4 are respectively with two rotating assembly 5 outer walls be close to outer tip rotation and be connected, in the in-process of treating the machined part to pipe form five metals, stretch out through making the expansion end shrink equal length of another second drive assembly 4, drive the pipe form axial displacement of fixing the pipe inside casing 3, thereby can rotate the round pipe form hardware that need rotate at one row of outer wall at two outer wall at the casing 3, it can rotate at the inside the casing 3 to drive the rotation circle at two outer wall according to need to drive the outer wall.

On the basis of the above, further description is introduced first drive assembly 2, first drive assembly 2 includes backup pad 20, backup pad 20 and handheld rifle body 1 outer wall are close to the installation department fixed connection of drill bit 10, backup pad 20 bilateral symmetry is equipped with first electric putter 21, the stiff end of two first electric putter 21 respectively with the both sides fixed connection of backup pad 20, and the both sides department that is close to through-hole 30 of casing 3 outer wall are fixed with the expansion end respectively to two first electric putter 21, through starting first electric putter 21, make its expansion end shrink drive backup pad 20 move to casing 3's direction department, simultaneously backup pad 20 drives the drill bit 10 of handheld rifle body 1 and stretches into casing 3's inside perpendicularly, wait the machined part to punch at the pipe form hardware of casing 3 inside to be fixed, at this moment two first electric putter 21 are favorable to guaranteeing the stability of position between drill bit 10 and the pipe form hardware, prevent that drill bit 10 from when punching, the condition that the skew takes place with the pipe form the outer wall, influence the work of punching normally goes on.

It should be noted that, the casing 3 includes the shell 31, the outer wall department at the shell 31 is offered to the through-hole 30, shell 31 inner wall both ends symmetry is equipped with inner shell 32, two inner shells 32 all with shell 31 inner wall sliding connection, two inner shells 32 outer walls are close to outer tip department and all are fixed and are equipped with extension limit 33, the inboard surface of two extension limit 33 respectively with the both ends clearance fit of shell 31, before waiting to punch to the tubular five metals machined part, stretch out through the expansion end that makes two second drive assembly 4, drive inner shell 32 stretch out to the outside of shell 31, open certain interval with casing 3 and be convenient for put into shell 31 inside with tubular five metals, make the expansion end shrink of second drive assembly 4 again, can press from both sides the both ends clamp fixing with tubular five metals.

Further, the wall thickness of two inner shells 32 inner walls is close to the one end narrow mutually, the wall thickness of two inner shells 32 inner walls is kept away from the one end thick mutually, the inner shells 32 inner walls can be applicable to the centre gripping location at different size's pipe form hardware both ends, when the expansion end shrink of two second drive assembly 4, when driving two inner shells 32 respectively and shrink into shell 31 inside, the narrow other end thickness of inner shells 32 inner walls one end can make the axis that the pipe form hardware treated the machined part and the axis automatic coincidence of shell 31, thereby be favorable to guaranteeing the straightness between drill bit 10 and the pipe form hardware, prevent the different axle condition in centre of a circle that the pipe outer wall both sides punched, inner shell 32 inner wall one end narrow other end thickness can prevent that the sweeps that the production of punching from piling up inside inner shells 32 simultaneously.

From the above, the second transmission assembly 4 includes the supporting block 40, the supporting block 40 is fixedly connected with the outer wall of the outer shell 31, the two sides of the supporting block 40 are symmetrically provided with the second electric push rods 41, the fixed ends of the two second electric push rods 41 are respectively fixedly connected with two sides of the supporting block 40, the movable ends of the two second electric push rods 41 are respectively fixedly provided with the guide plates 42, the inner surfaces of the two guide plates 42 are respectively movably matched with the outer ends of the two inner shells 32, the lower ends of the two guide plates 42 are respectively rotatably connected with the outer walls of the two rotation assemblies 5 near the outer ends, before punching a tubular hardware workpiece, the movable ends of the two second electric push rods 41 are respectively driven to move towards the two ends of the outer shell 31 by starting the second transmission assembly 4, and the two guide plates 42 are respectively driven to extend out of the outer shell 31 until the inner ends of the two inner shells 32 are respectively spaced from the two ends of the outer shell 31, so that the hardware workpiece can be conveniently placed into the inner part of the outer shell 31 for subsequent punching; in the process of carrying out the tubular hardware to-be-machined, the movable end of one of the second electric push rods 41 is extended to drive one of the inner shells 32 to move towards the direction away from one end part of the outer shell 31, the movable end of the other second electric push rod 41 is contracted by the same length to drive the other inner shell 32 to move towards the direction close to the other end part of the outer shell 31, and meanwhile, the two second electric push rods 41 drive the tubular hardware fixed in the outer shell 31 to be machined and axially move along with the movement of the inner shell 32, so that a row of holes can be drilled on the outer wall of the circular tube as required; through manual rotation of two rotating assemblies 5, the circular tube-shaped hardware fixed in the shell 3 is driven to rotate while the rotating assemblies rotate, and a circle of holes can be drilled on the outer wall of the circular tube according to requirements.

It should be noted that, the two rotating assemblies 5 include rotating columns 50, the two rotating columns 50 are fixedly connected with the two inner shells 32 respectively, the inner ends of the two rotating columns 50 respectively extend into the two inner shells 32, the outer ends of the two rotating columns 50 respectively extend out of the two inner shells 32, the outer ends of the two rotating columns 50 are fixedly provided with hand wheels 51, the lower ends of the two guide plates 42 are respectively connected with the outer walls of the two rotating columns 50 near the outer ends in a rotating way, the two hand wheels 51 are manually rotated to drive the two rotating columns 50 to rotate respectively, so that the two rotating columns 50 can drive the two inner shells 32 fixedly connected with the outer walls of the two rotating columns respectively to rotate, simultaneously, the two inner shells 32 can drive round tubular hardware to be machined in the outer shell 31 to rotate, and holes for punching can be changed as required, and a circle of holes can be punched on the outer walls of round tubes.

Further, in order to guarantee to beat round hole at the tubular five metals outer wall, the homogeneity of its pitch of hole, two inner shell 32 surface all is equipped with scale mark 320, perspective hole 420 has all been seted up to two baffle 42 outer walls, perspective hole 420 and scale mark 320 clearance fit, and two baffle 42 inner surfaces are close to the upper end and are fixed respectively and are equipped with spacing subassembly 6, two spacing subassemblies 6 respectively with the inboard surface clearance fit of two extension limits 33, when the degree that perspective hole 420 department shows under the initial condition of tubular five metals was 0 degrees, after rotating the tubular five metals certain angle, observe perspective hole 420 again and can audio-visually see the angle degree that tubular five metals rotated, be convenient for ensure that the angle degree of rotating the tubular five metals at every time all unanimous, thereby can guarantee to beat round hole at the tubular five metals outer wall, the homogeneity of its pitch of hole, and after the tubular five metals rotates certain angle, two spacing subassemblies 6 can guarantee the stability of structure after its rotation.

Moreover, both limiting assemblies 6 comprise clamping plates 60, the outer surfaces of the two clamping plates 60 are respectively movably matched with the inner side surfaces of the two extending edges 33, screw rods 61 are rotatably arranged on the positions, close to the upper ends, of the outer surfaces of the two clamping plates 60, the outer ends of the two screw rods 61 respectively extend to the outer sides of the two guide plates 42, the two screw rods 61 are respectively connected with the two guide plates 42 in a threaded manner, guide rods 62 are fixedly arranged on the two sides, close to the screw rods 61, of the outer surfaces of the two clamping plates 60, the outer ends of the guide rods 62 respectively extend to the outer sides of the two guide plates 42, the guide rods 62 are respectively connected with the two guide plates 42 in a sliding manner, after the rotating column 50 drives the circular tubular hardware clamped by the inner shell 32 to rotate to a required angle, the screw rods 61 are driven to move towards the outer surfaces of the guide plates 42 by screwing the screw rods 61, and meanwhile, the screw rods 61 drive the clamping plates 60 to abut against the extending edges 33, under the combined action of the guide plates 42 and the clamping plates 60, so that the extending edges 33 can be clamped after rotating for a certain angle, limiting is performed on the circular tubular hardware, and the stability of the structure is ensured; the guide bar 62 is advantageous in securing a moving path of the clamping plate 60 and preventing the clamping plate 60 from rotating with the screw 61 when the screw 61 is screwed.

Besides, a circle of clamping teeth 330 are fixedly arranged on the inner side surfaces of the two extending edges 33, clamping grooves 600 are respectively formed on the outer surfaces of the two clamping plates 60, the clamping grooves 600 are respectively movably matched with the clamping teeth 330, and the clamping teeth 330 and the clamping grooves 600 are beneficial to ensuring the clamping tightness between the clamping plates 60 and the extending edges 33.

It is worth noting that the scraping assemblies 7 are fixedly arranged at the inner ends of the two rotating posts 50, the two scraping assemblies 7 comprise fixing rods 70, the two fixing rods 70 are fixedly connected with the inner ends of the two rotating posts 50 respectively, springs 71 are fixedly arranged inside the two fixing rods 70 respectively, movable rods 72 are fixedly arranged at the outer ends of the two springs 71 respectively, the outer walls of the two movable rods 72 are fixedly connected with the inner walls of the two fixing rods 70 in a sliding mode, scraping rods 73 are fixedly arranged at the outer ends of the two movable rods 72, the two scraping rods 73 are movably matched with the inner walls of round tubular hardware subjected to punching processing, after the round tubular hardware is subjected to punching processing, the scraping rods 73 in the scraping assemblies 7 can be driven to rotate by rotating the rotating posts 50, and scraps generated by punching inside the round tubular hardware can be scraped while the scraping rods 73 rotate, so that the scraps inside the round tubular hardware are prevented from entering the round tubular hardware through holes, and inconvenient cleaning is caused by being stuck on the inner walls of the round tubular hardware.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a hardware processing perforating device, includes handheld rifle body (1) that punches, drill bit (10), its characterized in that are installed in the rotation of one end of handheld rifle body (1): the handheld rifle body (1) outer wall is close to the fixed first drive assembly (2) that is equipped with of installation department of drill bit (10), the outer tip of first drive assembly (2) is fixed and is equipped with casing (3) that are used for collecting the sweeps that produce when punching, through-hole (30) have been seted up to casing (3) outer wall, drill bit (10) with through-hole (30) movable fit, and casing (3) both ends are telescopic structure, casing (3) outer wall is fixed and is equipped with second drive assembly (4), the both ends of second drive assembly (4) respectively with the both ends movable fit of casing (3), second drive assembly (4) are used for controlling the both ends flexible regulation length of casing (3), casing (3) both ends are all fixed and are equipped with rotating assembly (5), and two the inner end of rotating assembly (5) all stretches into inside casing (3), and the both ends of second drive assembly (4) respectively with two rotating assembly (5) are close to outer end and are connected.

2. The hardware processing punch device of claim 1, wherein: the first transmission assembly (2) comprises a supporting plate (20), the supporting plate (20) is fixedly connected with the outer wall of the handheld perforating gun body (1) close to the installation position of the drill bit (10), first electric push rods (21) are symmetrically arranged on two sides of the supporting plate (20), the fixed ends of the two first electric push rods (21) are respectively fixedly connected with two sides of the supporting plate (20), and the movable ends of the two first electric push rods (21) are respectively fixedly arranged on two sides of the outer wall of the shell (3) close to the through holes (30).

3. The hardware processing punch device of claim 1, wherein: the shell (3) comprises an outer shell (31), the through holes (30) are formed in the outer wall of the outer shell (31), inner shells (32) are symmetrically arranged at two ends of the inner wall of the outer shell (31), the inner shells (32) are slidably connected with the inner wall of the outer shell (31), extension edges (33) are fixedly arranged at the positions, close to the outer end parts, of the outer walls of the inner shells (32), and the inner side surfaces of the extension edges (33) are respectively in movable fit with the two end parts of the outer shell (31).

4. A hardware processing punch device according to claim 3, wherein: the wall thickness of the inner walls of the two inner shells (32) is narrow at one end, and the wall thickness of the inner walls of the two inner shells (32) is thick at the other end.

5. A hardware processing punch device according to claim 3, wherein: the second transmission assembly (4) comprises a supporting block (40), the supporting block (40) is fixedly connected with the outer wall of the outer shell (31), second electric push rods (41) are symmetrically arranged on two sides of the supporting block (40), fixed ends of the second electric push rods (41) are fixedly connected with two sides of the supporting block (40) respectively, guide plates (42) are fixedly arranged at movable ends of the second electric push rods (41) respectively, the inner surfaces of the guide plates (42) are movably matched with the outer end portions of the inner shell (32) respectively, and the lower end portions of the guide plates (42) are rotatably connected with the outer walls of the rotating assemblies (5) close to the outer end portions respectively.

6. The hardware processing punch device of claim 5, wherein: the two rotating assemblies (5) comprise rotating columns (50), the two rotating columns (50) are fixedly connected with the two inner shells (32) respectively, the inner ends of the two rotating columns (50) respectively extend into the inner parts of the two inner shells (32), the outer end parts of the two rotating columns (50) respectively extend out of the two inner shells (32), the outer end parts of the two rotating columns (50) are fixedly provided with hand wheels (51), and the lower end parts of the two guide plates (42) are respectively connected with the outer walls of the two rotating columns (50) in a rotating way close to the outer end parts.

7. The hardware processing punch device of claim 5, wherein: two the inner shell (32) surface all is equipped with scale mark (320), two perspective hole (420) have all been seted up to baffle (42) outer wall, perspective hole (420) with scale mark (320) movable fit to two baffle (42) internal surface is close to upper end and is fixed respectively and be equipped with spacing subassembly (6), two spacing subassembly (6) respectively with two the inboard surface movable fit of extension limit (33).

8. The hardware processing punch device of claim 7, wherein: the two spacing subassembly (6) all include splint (60), two splint (60) surface respectively with two the inboard surface clearance fit of extension limit (33), two splint (60) surface are close to upper end department all and rotate and are equipped with screw rod (61), two screw rod (61) outer tip stretches out respectively two baffle (42) outside, and two screw rod (61) respectively with two baffle (42) threaded connection, two splint (60) surface are close to both sides of screw rod (61) all are fixed and are equipped with guide bar (62), the outer tip of guide bar (62) stretches out respectively two baffle (42) outside, and guide bar (62) respectively with two baffle (42) sliding connection.

9. The hardware processing punch device of claim 8, wherein: the inside surface department of two extension limit (33) is all fixed and is equipped with round latch (330), and draw-in groove (600) have all been seted up to two splint (60) surface, draw-in groove (600) respectively with latch (330) clearance fit.

10. The hardware processing punch device of claim 6, wherein: the utility model discloses a scraper blade, including rotating column (50) and fixed subassembly (7) that scrapes, two scraper blade (7) all include dead lever (70), two dead lever (70) respectively with two inner tip fixed connection of rotating column (50), two spring (71) are fixed respectively in dead lever (70) inside, two outer tip of spring (71) is fixed respectively and is equipped with movable rod (72), two movable rod (72) outer wall is two respectively dead lever (70) inner wall sliding connection, and two scraper blade (73) are all fixed to movable rod (72) outer tip, two scraper blade (73) all carry out the pipe form five metals inner wall clearance fit of punching.