CN114453621A - Portable steel plate punching machine and application thereof - Google Patents

Abstract

The invention discloses a portable steel plate drilling machine and its application, comprising a drive motor, a power output shaft of the drive motor is rotatably connected with one end of a drill bit clamp, and the other end of the drill bit clamp is detachably connected with a drill bit; wherein, the drill bit clamp A shaft sleeve is movably arranged in the circumferential direction of the side close to the driving motor. A telescopic guide mechanism is detachably installed on the shaft sleeve along the screwing direction of the drill bit. The end of the telescopic guide mechanism is connected with an electromagnetic lock for locking the punching position of the workpiece The electromagnetic locking mechanism has a hollow structure, which is used for the access of the drill bit. The electromagnetic locking mechanism at the bottom of the punching hole of the invention can be firmly adsorbed on the surface of the steel plate, avoiding the problems of drilling deviation and unsafety caused by slippage, and ensuring the dimensional accuracy and positional accuracy of the punching hole; in addition, the punching machine It is convenient to carry and easy to operate, especially suitable for on-site installation of raw-foil all-in-one equipment.

Description

A kind of portable steel plate punching machine and its application

technical field

The invention belongs to the technical field of auxiliary tools for mechanical equipment installation, and in particular relates to a portable steel plate punching machine, which is particularly suitable for on-site installation of a raw foil integrated machine.

Background technique

During the installation process of the raw foil all-in-one machine, there are cases where the racks transported to the installation site lack cable routing holes, and there are installation aperture mismatches between some non-standard mechanical parts and standard parts and between non-standard parts and non-standard parts. Therefore, it is necessary to punch or ream these racks and other parts at the equipment installation site, and these racks and other parts are basically made of steel plates with a certain thickness (4-12 mm).

As we all know, the general punching equipment for steel plates is of fixed structure, which is not easy to be temporarily processed on site. Therefore, the commonly used punching equipment on the installation site of raw foil integrated machine equipment mainly includes hand drill and angle grinder, but these two kinds of equipment There are great limitations in use. For example, it is difficult to process parts with high hardness with hand electric drills, especially when drilling on inclined or vertical surfaces, which is easy to slip, which makes it difficult to ensure the dimensional accuracy and position accuracy of drilling; and angle grinding When the machine cuts holes, it is necessary to scribe lines on the steel plate in advance. The quality and accuracy of the orifice depends entirely on the operator's experience. In addition, angle grinders are often used to cut non-metallic plates and stainless steel plates with a thickness of less than 1mm. Large and hard steel plates are time-consuming and labor-intensive.

In view of this, the present inventor proposes a portable steel plate punching machine and its application to overcome the defects of the prior art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art, and to provide a portable steel plate punching machine and its application, so as to solve the problem of the existing punching and cutting tools in the inclined plane and vertical plane processing. The position deviation is large, the incision is not beautiful, and the work efficiency is low, especially when the hand drill or angle grinder slips during the work process, it is easy to cause personal safety problems.

The object of the present invention is to be solved by the following technical solutions:

A portable steel plate punching machine, comprising a drive motor, the power output shaft of the drive motor is rotatably connected to one end of a drill bit clamp, and the other end of the drill bit clamp is detachably connected with a drill bit;

Wherein, a shaft sleeve is movably arranged in the circumferential direction of the side of the drill bit clamp close to the driving motor, and a telescopic guide mechanism is detachably installed on the shaft sleeve along the screw-in direction of the drill bit, and the end of the telescopic guide mechanism is connected with a telescopic guide mechanism for The electromagnetic locking mechanism for locking the punching position of the workpiece, the electromagnetic locking mechanism has a hollow structure and is used for the entry and exit of the drill bit.

Further, the telescopic guide mechanism, the electromagnetic locking mechanism and the drill bit are coaxially arranged.

Further, the electromagnetic locking mechanism includes a hollow electromagnet core and an electromagnetic coil, and the electromagnetic coil is wound on the circumferential surface of the electromagnet core;

Either end of the electromagnetic coil is connected with an electromagnetic control switch, and the electromagnetic control switch is interlocked in series with the control switch of the driving motor.

Further, the telescopic guide mechanism includes a coaxially arranged first annular support plate and a second annular support plate, and between the first annular support plate and the second annular support plate, a plurality of elastics are arranged around the axis and in an annular array. a telescopic unit, connecting the first annular support plate and the second annular support plate through a plurality of the elastic expansion and contraction units;

Wherein, the inner diameter of the first annular support plate is larger than the outer diameter of the drill bit holder and smaller than the outer diameter of the shaft sleeve, the first annular support plate is connected to the end surface of the shaft sleeve by fasteners, the second annular support plate is The support plate is fixedly connected with the electromagnet core.

Further, the elastic telescopic unit includes a sleeve fixed on the first annular support plate, and a sleeve rod fixed on the second annular support plate, and the sleeve rod is in clearance fit with the sleeve;

The sleeve rod is provided with a compression spring in the circumferential direction, the diameter of the compression spring is between the inner diameter and the outer diameter of the sleeve, and the sleeve is used for resisting the deformation of the compression spring.

Further, the outer wall of the sleeve is provided with a through groove in the axial direction, and the end of the sleeve rod is connected with the through groove through a limit pin, so as to prevent the sleeve rod from being separated from the sleeve.

Further, the drill bit includes a connecting rod, one end of the connecting rod is clamped with the drill bit clamp, and the other end is fixedly connected with a positioning drill. The outer periphery of the positioning drill is coaxially provided with a cutter head. A discharge spring is arranged between the drill and the cutter head.

Further, at least two sets of first circular arc grooves are provided along the circumferential surface of the drill bit clamp, and the inner wall of the shaft sleeve is provided with a second circular arc groove corresponding to the first circular arc groove. A plurality of balls are embedded in the groove and the second arc groove.

Further, a handle is provided on the top of the driving motor, and the handle is used to facilitate the application of the force of screwing along the drill bit, and at the same time, it is convenient to carry the punching machine.

An application of a portable steel plate punching machine, the punching machine is suitable for on-site installation of raw foil integrated machine equipment, and is mainly used for punching or reaming the frame or other parts of the raw foil integrated machine equipment.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. A portable steel plate punching machine of the present invention, since the telescopic guiding mechanism, the electromagnetic locking mechanism and the drill bit are coaxially arranged, the center of the electromagnet core in the electromagnetic locking mechanism only needs to be aligned with the drill bit when drilling. Align the center of the steel plate to be punched, then start the switch, and the end face of the electromagnet core can be firmly adsorbed on the surface of the steel plate. At this time, the axis of the punching machine is just perpendicular to the surface of the steel plate. The punching machine applies force to avoid the problem of drilling offset caused by slippage in the prior art, thereby ensuring the dimensional accuracy and positional accuracy of the steel plate punching. The punching machine is easy to carry and move, and is especially suitable for the integration of raw foil. On-site installation of mechanical equipment, especially for drilling or reaming of inclined or vertical surfaces on racks or other parts, has been verified by practice, which has significantly improved installation efficiency and installation quality.

2. The invention is a portable steel plate punching machine. The punching machine is provided with an elastic telescopic guide mechanism, which can ensure that when the operator exerts a force, the feeding amount of the drill bit is relatively gentle and stable, so as to avoid sudden feeding and damage to the opening. The drill bit, after drilling the hole at the same time, can quickly retract the tool through the elastic telescopic guide mechanism to improve the processing efficiency.

3. A portable steel plate punching machine of the present invention, the drill bit of the punching machine includes a connecting rod, a cutter head of an alloy material and a protruding positioning drill. The positioning drill is positioned. After the position is determined, the switch is turned on to perform drilling or reaming. In addition, the drill is also equipped with a discharge spring, which can discharge waste chips in time during the drilling process to further improve the processing efficiency.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. In other words, on the premise of no creative labor, other drawings can also be obtained from these drawings.

Fig. 1 is the overall structure schematic diagram of a kind of portable steel plate punching machine of the present invention;

FIG. 2 is a schematic view of the main structure of a portable steel plate punching machine of the present invention.

Fig. 3 is the A-A structure cross-sectional structural schematic diagram in Fig. 2 of the present invention;

Fig. 4 is the structural schematic diagram of the drill bit holder and the shaft sleeve of the present invention;

Figure 5 is a schematic view of the drill bit structure of the present invention;

6 is a schematic structural diagram of the telescopic guide mechanism of the present invention;

7 is a schematic structural diagram of the electromagnetic locking mechanism of the present invention.

Among them: 1 is the drive motor; 2 is the drill bit clamp; 3 is the drill bit; 4 is the shaft sleeve; 5 is the telescopic guide mechanism; 6 is the electromagnetic locking mechanism; 7 is the limit pin; 8 is the ball; 9 is the handle; 10 is the key; 11 is the power output shaft; 21 is the first arc groove; 22 is the drill bit fixing nut; 23 is the drill bit bayonet; 31 is the connecting rod; 32 is the positioning drill; 33 is the cutter head; 34 is the discharge spring; 41 51 is the first annular support plate; 52 is the second annular support plate; 53 is the elastic expansion unit; 61 is the electromagnet core; 62 is the electromagnetic coil; 531 is the sleeve; It is a compression spring; 5311 is a through slot.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numerals in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with the present invention. Rather, they are merely examples of means consistent with some aspects of the invention as recited in the appended claims.

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

1 to 7 , the present invention provides a portable steel plate punching machine. The punching machine has a vertical structure as a whole and includes a drive motor 1 , a power output shaft 11 of the drive motor 1 and a drill bit clamp 2 . One end of the drill bit holder 2 is rotatably connected, and the other end of the drill bit holder 2 is detachably connected with a drill bit 3.

Among them, a shaft sleeve 4 is movably arranged in the circumferential direction of the side of the drill bit holder 2 close to the driving motor 1, and a telescopic guide mechanism 4 is detachably installed on the shaft sleeve 4 along the screwing direction of the drill bit 3, and the end of the telescopic guide mechanism 5 is connected effectively. The electromagnetic locking mechanism 6 for locking the punching position of the workpiece has a hollow structure for allowing the drill bit 3 to enter and exit; preferably, the telescopic guide mechanism 5, the electromagnetic locking mechanism 6 and the drill bit 3 are coaxially arranged. Through the above settings, after the drilling position is determined, the electromagnetic locking mechanism 6 is adsorbed on the surface of the steel plate to be processed by the magnetic attraction force generated by the electromagnetic force. The locking mechanism 6 is arranged coaxially with the drill bit 3, so the surface of the steel plate is perpendicular to the screwing direction of the drill bit 3, thereby ensuring the size and position accuracy of the punching hole while avoiding the slippage and deviation of the punching machine.

Specifically, as shown in FIGS. 3 and 4 , the drill bit holder 2 of the present invention is connected with the power output shaft 11 through a key 10 , and the drill bit holder 2 includes a connecting shaft main body, one end of the connecting shaft main body is provided with an inner hole, and the wall of the inner hole hole is There is a groove on the upper part, and the main body of the connecting shaft is connected with the power output shaft 11 by a key to transmit torque. The other end of the main body of the connecting shaft is provided with a drill bit bayonet 23 for installing the drill bit 3. A drill bit fixing nut 22 is provided on the side close to the drill bit bayonet 23 , so that the drill bit 3 is locked on the drill bit holder 2 .

In addition, the drill bit holder 2 of the present invention is provided with at least two sets of first circular arc grooves 21 along the circumferential surface interval, and the inner wall of the shaft sleeve 4 is provided with a second circular arc groove 41 corresponding to the first circular arc groove 21. The first circular arc groove 21 and the second arc groove 41 are embedded with a plurality of balls 8; that is to say, the drill bit holder 2 and the shaft sleeve 4 form a bearing-like structure, which can ensure that the driving motor 1 drives the drill bit holder 2 and the drill bit 3 to rotate. The bushing 4 is in a stationary state.

5, the drill bit 3 of the present invention includes a connecting rod 31, one end of the connecting rod 31 is clamped with the drill bit bayonet 23 of the drill bit clamp 2, and the other end is fixedly connected with a positioning drill 32, the outer periphery of the positioning drill 32 is the same as The shaft is provided with a cutter head 33, and the positioning drill 32 protrudes from the cutter head 33, so that when the position of the center of the circle to be punched is not easy to determine, the positioning drill 32 can be used for positioning. When the position is determined, turn on the switch again. , to perform drilling or reaming operations; preferably, the cutter head 33 can be adjusted and replaced according to the size of the hole, and the positioning drill 32 is provided with a discharge spring 34 between the positioning drill 32 and the cutter head 33, and the cutter head 33 is provided with a chip removal hole, through the cooperation of the discharge spring 34 and the chip removal hole, the iron filings are prevented from being blocked in the cavity between the positioning drill 32 and the cutter head 33, which interferes with the drilling operation.

As shown in FIG. 6 , the telescopic guide mechanism 5 of the present invention includes a first annular support plate 51 and a second annular support plate 52 arranged coaxially. The first annular support plate 51 and the second annular support plate 52 surround the axis, A plurality of elastic expansion and contraction units 53 are arranged in a circular array. For example, there are four elastic expansion and contraction units 53 in this embodiment, and the central angle between adjacent ones is the same. The first annular support plate 51 and the second annular support are supported by the four elastic expansion and contraction units 53 The inner diameter of the first annular support plate 51 is larger than the outer diameter of the connecting shaft of the main body of the drill bit clamp 2, and is smaller than the outer diameter of the shaft sleeve 4, and the first annular support plate 51 is connected to the shaft sleeve 4 through fasteners. On the end surface, the second annular support plate 52 is fixedly connected with the electromagnetic locking mechanism 6 . Of course, the first annular support plate 51 can also be directly and detachably connected to the end face of the bottom end of the casing of the drive motor 1, and the first annular support plate 51 is connected to the end face of the bottom end of the casing of the drive motor 1 or the end face of the shaft sleeve 4, The purpose is to maximize the use of the force exerted by the operator, thereby reducing the labor intensity of the operator when drilling.

The elastic telescopic unit 53 includes a sleeve 531 fixed on the first annular support plate 51, and a sleeve rod 532 fixed on the second annular support plate 52. The sleeve rod 532 is in clearance fit with the sleeve 531; A compression spring 533 is provided upward, and the diameter of the compression spring 533 is between the inner diameter and the outer diameter of the sleeve 531 , that is, when a force is applied to the telescopic guide mechanism 5 , the sleeve 531 is used to resist the deformation of the compression spring 533 . By setting the elastic telescopic guide mechanism 5, it can be ensured that when the operator exerts a force, the feed amount of the drill bit 3 is relatively gentle and stable, so as to avoid abrupt feeding and damage to the drilling bit 3. The telescopic guide mechanism 5 can quickly retract the tool and improve the processing efficiency.

Preferably, in order to prevent the sleeve rod 532 from being separated from the sleeve 531, the present invention is provided with a through groove 5311 on the outer wall of the sleeve 531 in the axial direction, and the end of the sleeve rod 532 is connected with the through groove 5311 through the limit pin 7, and the limit pin 7. Set the sleeve rod 532 in the sleeve 531, so that the sleeve rod 532 can only move linearly inside the sleeve 531.

As shown in FIG. 7 , the electromagnetic locking mechanism 6 of the present invention includes a hollow electromagnet core 61 and an electromagnetic coil 62, and the electromagnetic coil 62 is wound on the circumferential surface of the electromagnet core 61, wherein the electromagnet core 61 is made of a hollow steel pipe, and the electromagnetic coil 62 Either end is connected with an electromagnetic control switch, which is interlocked in series with the control switch of the driving motor 1, that is to say, the driving motor 1 can only be powered on after the electromagnetic coil 62 is energized, and the electromagnetic coil 62 is powered off to drive the motor. 1 can not start, to ensure processing safety.

Preferably, in the present invention, a handle 9 is further provided on the top of the driving motor, and the handle 9 is used to facilitate the application of the force of screwing along the drill bit 3, and at the same time, it is convenient to carry the hole punch.

To sum up, the portable punching machine of the present invention is particularly suitable for on-site installation of raw foil integrated machine equipment because it is convenient to carry and easy to operate, and can ensure the dimensional accuracy and positional accuracy of the punching Machine equipment racks or other parts for drilling or reaming.

The above descriptions are only specific embodiments of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention.

It should be understood that the present invention is not limited to what has been described above and that various modifications and changes may be made without departing from its scope. The scope of the present invention is limited only by the appended claims.

Claims (10)

1. The portable steel plate punching machine is characterized by comprising a driving motor (1), wherein a power output shaft (11) of the driving motor (1) is rotatably connected with one end of a drill bit clamp (2), and the other end of the drill bit clamp (2) is detachably connected with a drill bit (3);

the drilling tool comprises a driving motor (1), a drill bit clamp (2), a shaft sleeve (4) and a telescopic guide mechanism (5), wherein the shaft sleeve (4) is movably arranged in the circumferential direction close to one side of the driving motor (1), the telescopic guide mechanism (5) is detachably mounted on the shaft sleeve (4) along the screwing direction of a drill bit (3), the end part of the telescopic guide mechanism (5) is connected with an electromagnetic locking mechanism (6) used for locking the punching position of a workpiece, and the electromagnetic locking mechanism (6) is of a hollow structure and used for allowing the drill bit (3) to come in and go out.

2. A portable steel plate perforating machine as claimed in claim 1, characterized in that the telescopic guide (5), the electromagnetic locking mechanism (6) and the drill (3) are arranged coaxially.

3. A portable steel plate punch according to claim 2, wherein the electromagnetic locking mechanism (6) comprises a hollow electromagnet core (61) and an electromagnetic coil (62), the electromagnetic coil (62) being wound around the circumference of the electromagnet core (61).

And either end of the electromagnetic coil (62) is connected with an electromagnetic control switch, and the electromagnetic control switch is connected with a control switch of the driving motor (1) in series and interlocked.

4. The portable steel plate punching machine according to claim 3, wherein the telescopic guide mechanism (5) comprises a first annular support plate (51) and a second annular support plate (52) which are coaxially arranged, a plurality of elastic telescopic units (53) are annularly arranged between the first annular support plate (51) and the second annular support plate (52) around the axis, and the first annular support plate (51) is connected with the second annular support plate (52) through the plurality of elastic telescopic units (53);

the inner diameter of the first annular support plate (51) is larger than the outer diameter of the drill chuck (2) and smaller than the outer diameter of the shaft sleeve (4), the first annular support plate (51) is connected to the end face of the shaft sleeve (4) through a fastening piece, and the second annular support plate (52) is fixedly connected with the electromagnet core (61).

5. A portable steel plate punch as claimed in claim 4, wherein the elastic expansion unit (53) comprises a sleeve (531) fixed on the first annular support plate (51), and a bar (532) fixed on the second annular support plate (52), the bar (532) is in clearance fit with the sleeve (531);

the telescopic rod (532) is circumferentially provided with a compression spring (533), the diameter of the compression spring (533) is between the inner diameter and the outer diameter of the sleeve (531), and the sleeve (531) is used for resisting the deformation of the compression spring (533).

6. The portable steel plate punching machine according to claim 5, wherein the outer wall of the sleeve (531) is axially provided with a through groove (5311), and the end of the loop bar (532) is connected with the through groove (5311) through a limit pin (7) for preventing the loop bar (532) from being separated from the sleeve (531).

7. The portable steel plate punching machine according to claim 1, wherein the drill bit (3) comprises a connecting rod (31), one end of the connecting rod (31) is clamped with the drill bit clamp (2), the other end of the connecting rod is fixedly connected with a positioning drill (32), a cutter head (33) is coaxially arranged on the periphery of the positioning drill (32), and a discharging spring (34) is arranged on the positioning drill (32) and between the positioning drill (32) and the cutter head (33).

8. The portable steel plate punching machine according to claim 1, wherein the drill bit holder (2) is provided with at least two sets of first circular arc grooves (21) at intervals along the circumferential surface, the inner wall of the shaft sleeve (4) is provided with second circular arc grooves (41) corresponding to the first circular arc grooves (21), and a plurality of balls (8) are embedded in the first circular arc grooves (21) and the second circular arc grooves (41).

9. A portable steel plate punch according to claim 1 wherein a handle (9) is provided on top of the drive motor, said handle (9) being adapted to facilitate application of a force that precesses along the drill bit (3) while facilitating carrying of the punch.

10. The use of the portable steel plate punching machine according to any one of claims 1 to 9, wherein the punching machine is suitable for field installation of the green foil all-in-one machine, and is mainly used for punching or reaming a frame or other parts of the green foil all-in-one machine.

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