CN110666240A

CN110666240A - Metal cutting machine

Info

Publication number: CN110666240A
Application number: CN201910930558.2A
Authority: CN
Inventors: 吴锦明; 顾加林
Original assignee: Suzhou Jinshai Tools Co Ltd
Current assignee: Suzhou Jinshai Tools Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-01-10
Anticipated expiration: 2039-09-29
Also published as: CN110666240B

Abstract

The invention belongs to the technical field of metal cutting and processing equipment, and relates to a metal cutting machine, which comprises a base, wherein a quick clamping mechanism and a fixed seat are arranged on the base, the quick clamping mechanism penetrates through the fixed seat, a manual movable switch for fixing the quick clamping mechanism is arranged on the fixed seat, an installation seat is arranged on the base, the metal cutting machine also comprises a cutting device, the cutting device is hinged with the installation seat through a rotating shaft, a groove structure is arranged at the position where the cutting device is hinged with the installation seat through the rotating shaft, a locker for locking the cutting device is also arranged on one side of the installation seat, the locker comprises a fixed rod with a through hole structure and a locking rod penetrating through the through hole structure of the fixed rod, the locking rod is provided with a circular hole structure, a shaft pin penetrating through the circular hole structure is arranged on the, the shaft pins can be fixed in the two groups of arc grooves in an angle rotating mode, and the effects of safe and efficient operation, time saving and labor saving are achieved.

Description

Metal cutting machine

Technical Field

The invention belongs to the technical field of metal cutting and processing equipment, and relates to a metal cutting machine.

Background

As a cutting equipment commonly used, the application in production is very extensive, along with the continuous development of modern machining industry, the requirement to the cutting machine also is constantly improving, among the prior art, can not carry out quick fixed to the work piece that needs the cutting when the cutting, and can not carry out stable fixed to cylinder type work piece, can influence the precision of cutting, can not realize the cutting of multi-angle yet, do not have locking mechanical system when metal cutting machine stop work or need remove, there is the potential safety hazard, when changing the saw bit, the saw bit is not fixed, also there is the potential safety hazard.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a metal cutting machine which can quickly fix and cut a workpiece and a cylindrical workpiece at multiple angles, is also provided with a machine locking mechanism and a saw blade changing switch, and reduces potential safety hazards.

The technical scheme adopted by the invention for solving the technical problem is as follows: a metal cutting machine comprises a base, wherein a chute structure is arranged on the base, a scrap box is arranged at the bottom of the base, one end of the scrap box is provided with a knob for fixing and moving, a quick clamping mechanism and a fixing seat are arranged on the base, the quick clamping mechanism penetrates through the fixing seat, a manual movable switch for fixing the quick clamping mechanism is arranged on the fixing seat, the base is provided with a mounting seat, the metal cutting machine further comprises a cutting device, the cutting device is hinged with the mounting seat through a rotating shaft, a groove structure is arranged at the position where the cutting device is hinged with the mounting seat through the rotating shaft, a torsional spring is arranged on the rotating shaft, one end of the torsional spring is arranged on the mounting seat, the other end of the torsional spring is arranged on the cutting device, the cutting device comprises a cutting shell, a cutting saw blade, a saw blade protection outer cover, a saw blade protection inner cover and a driving, the motor shaft of driving motor has a thread structure, still includes the link mechanism that the drive saw bit protection inner cover opened and shut, mount pad one side has still set up the locker that is used for locking cutting device, the locker is including the dead lever that has through-hole structure and the locking lever that passes dead lever through-hole structure, the dead lever is fixed on the mount pad, be provided with the round hole structure on the locking lever, be provided with the first pivot that passes the round hole structure on the locking lever, one side that the dead lever is close to the locking lever is provided with two sets of arc groove structures with pivot complex, the degree of depth in first group arc groove is less than the degree of depth in second group arc groove for when first pivot is located second group arc inslot, the locking lever is located groove structure, and when first pivot is located first group arc groove, the locking lever is located groove structure one side.

Further, the method comprises the following steps: the cutting device further comprises a saw blade replacing device, the saw blade replacing device comprises an outer cover, a second shaft pin and a spring mounted on the second shaft pin, an upper baffle and a lower baffle are arranged inside the outer cover, round holes are formed in the upper baffle and the lower baffle, a conical structure hinged with a threaded structure of the motor shaft is arranged at the front end of the second shaft pin, the second shaft pin penetrates through the round holes of the upper baffle and the lower baffle, a check ring is fixedly connected to the second shaft pin, and the spring mounted on the second shaft pin is arranged between the check ring and the second baffle.

Further, the method comprises the following steps: the cutting device also comprises a cutting baffle fixed on the cutting shell through screws.

Further, the method comprises the following steps: and the cutting device is provided with a reverse self-locking switch device for switching on and off a power supply.

Further, the method comprises the following steps: the connecting rod mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the mounting seat through a first screw, the other end of the first connecting rod is connected with the second connecting rod through a second screw, one end of the second connecting rod is connected with the first connecting rod through a second screw, and the other end of the second connecting rod is fixed on the inner saw blade protection cover through a third screw.

Further, the method comprises the following steps: the quick clamping mechanism comprises an operating hand disc, a driving screw rod, a cylindrical fixing rod, a clamping plate and an arc chute, wherein one end of the driving screw rod is hinged to the clamping plate through the cylindrical fixing rod, the other end of the driving screw rod is provided with the operating hand disc, the quick clamping mechanism further comprises a handle, the handle is mounted on the operating hand disc through screws, one side of the arc chute is arranged on a base through a rotating shaft, a connecting hole for fixing the rotating shaft is formed in the base, the other side of the arc chute is provided with the arc chute, a positioning bolt is arranged in the arc chute, a bolt hole used for being in threaded connection with the positioning bolt is formed in the arc chute of the bottom plate, and an arc angle ruler with the arc chute is arranged on one side of the.

Further, the method comprises the following steps: the rapid clamping mechanism further comprises a positioning baffle which is arranged on the leaning grid and can be turned over, the positioning baffle comprises a connecting portion and a positioning portion facing the leaning grid, one end of the connecting portion, far away from the positioning portion, is hinged with the leaning grid through a hole pin shaft, the positioning portion is obliquely arranged, and the distance between the upper end of the positioning portion and the clamping plate is smaller than the distance between the lower end of the positioning portion and the clamping plate.

Further, the method comprises the following steps: the quick clamping mechanism further comprises a cylindrical workpiece clamping device, the cylindrical workpiece clamping device comprises a bottom plate and a cylindrical fixing plate, handles are arranged on two sides of the bottom plate, the cylindrical fixing plate is fixed on the bottom plate, the bottom plate is fixed on the clamping plate through the handles, and a triangular groove is formed in one side, far away from the bottom plate, of the cylindrical fixing plate.

The invention has the beneficial effects that: the quick clamping mechanism that metal cutting machine set up, be provided with the quick clamping mechanism of fixed plate washer, the cylinder work piece is fastened the mechanism fast and has been solved work piece and cylinder type work piece slow problem of fixed speed and the problem that can not the multi-angle cutting when the cutting, the locker and the saw bit change switch of adoption have reduced the potential safety hazard, and the cutting baffle of setting on the cutting shell has reduced the potential safety hazard that exists in the cutting process.

Drawings

Fig. 1 is a left side view of the metal cutting machine.

Fig. 2 is a right side view of the metal cutting machine.

FIG. 3 is a schematic view of a quick clamping mechanism.

Fig. 4 is a schematic view of a cylindrical workpiece rapid clamping mechanism provided with a positioning baffle.

Fig. 5 is a schematic view of a positioning baffle.

Fig. 6 is a front view of the cylindrical workpiece rapid clamping mechanism.

Figure 7 is a schematic view of a cylindrical workpiece holder.

Fig. 8 is a schematic view of the lock.

Fig. 9 is a schematic view of a blade changing device.

Fig. 10 is a schematic of a second shaft pin in relation to a motor shaft.

Labeled as: the automatic cutting machine comprises a base 1, a scrap box 11, a knob 12, a quick clamping mechanism 2, an operating handle 21, a driving screw rod 22, a cylindrical fixing rod 23, a clamping plate 24, a backup grid 25, a handle 26, a positioning baffle 27, a cylindrical workpiece clamper 28, a bottom plate 281, a cylindrical fixing plate 282, a rotating shaft 251, an arc-shaped chute 252, an arc-shaped angle ruler 253, a fixing seat 3, a manual movable switch 31, a mounting seat 4, a locker 41, a fixing rod 411, a locking rod 412, a shaft pin 413, a cutting device 5, a cutting shell 51, a cutting saw blade 52, a saw blade protecting outer cover 53, a saw blade protecting inner cover 54, a link mechanism 55, a saw blade replacing device 56, an outer cover 561, a second shaft pin 562, a spring 563, a retaining ring 564, a cutting baffle 57 and an.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1 to 10, a metal cutting machine comprises a base 1, wherein a chute structure is arranged on the base 1, a scrap box 11 is arranged at the bottom of the base 1, a knob 12 with fixing and moving functions is arranged at one end of the scrap box, a quick clamping mechanism 2 and a fixed seat 3 are arranged on the base 1, the quick clamping mechanism 2 penetrates through the fixed seat 3, a manual movable switch 31 for fixing the quick clamping mechanism 2 is arranged on the fixed seat 3, a mounting seat 4 is arranged on the base 1, the metal cutting machine further comprises a cutting device 5, the cutting device 5 is hinged with the mounting seat 4 through a rotating shaft, a groove structure is arranged at the position where the cutting device 5 is hinged with the mounting seat 4 through the rotating shaft, a torsion spring is arranged on the rotating shaft, one end of the torsion spring is arranged on the mounting seat 4, and the other end of the torsion spring is arranged on the cutting, the cutting device 5 comprises a cutting shell 51, a cutting saw blade 52, a saw blade protecting outer cover 53, a saw blade protecting inner cover 54, a driving motor arranged on the cutting shell 51, a cutting baffle 55, a motor shaft of the driving motor is of a threaded structure, the cutting baffle 55 is fixed on the cutting shell 51 through screws, the cutting device further comprises a link mechanism 56 for driving the saw blade protecting inner cover 54 to open and close, one side of the mounting seat 4 is also provided with a locker 41 for locking the cutting device 5, the locker 41 comprises a fixing rod 411 with a through hole structure and a locking rod 412 penetrating through the through hole structure of the fixing rod 411, the locking rod 412 is of a circular hole structure, a shaft pin 413 penetrating through the circular hole structure is arranged on the locking rod 412, one side of the fixing rod 411 close to the locking rod 412 is provided with two groups of circular arc groove structures, and the first group of circular, the second group of arc grooves are close to the bottom end of the fixed rod, and the shaft pin 413 can be fixed in the two groups of arc grooves through angle rotation.

When the metal cutting machine works, the rapid clamping mechanism 2 is used for rapidly fixing a workpiece, the problem of low workpiece fixing speed is solved, the adopted locking device 41 is used, when the metal cutting machine works, the locking rod 412 is pulled, the 90-degree rotating locking rod 412 is provided with a shaft pin 413 penetrating through a circular hole structure, the shaft pin 413 is fixed in a first group of circular arc grooves with small depth, the locking rod 412 is fixed on one side of a cutting device 5 hinged with a mounting seat 4 through a rotating shaft and provided with a groove structure, the metal cutting machine can be pressed down or bounced randomly at this time, the locking rod 412 is grabbed and pulled outwards when the metal cutting machine does not work or moves, the 90-degree rotating locking rod 412 is provided with the shaft pin 413 penetrating through the circular hole structure, the shaft pin 413 is fixed in a second group of circular arc grooves with large depth, the locking rod 412 is fixed in a groove with the groove structure arranged at the position of the cutting device, when the cutting device 5 is clamped by the locking rod 412 and cannot bounce, the effects of reducing potential safety hazards and improving the working efficiency are achieved, the connecting rod mechanism 55 for driving the saw blade protection inner cover 54 to open and close is adopted, and in the process of pressing down the metal cutting machine, the connecting rod mechanism 55 drives the saw blade protection inner cover 54 to rotate clockwise to expose the cutting saw blade 52 to cut a workpiece, so that the effects of saving time, labor and resources are achieved.

On the basis, as shown in fig. 9, the cutting device 5 further includes a saw blade replacing device 56, the saw blade replacing device 56 includes a housing 561, a second shaft pin 562 and a spring 563 mounted on the second shaft pin 562, an upper baffle and a lower baffle are disposed inside the housing 561, both the upper baffle and the lower baffle are provided with circular holes, a front end of the second shaft pin 562 has a tapered structure hinged to the threaded structure of the motor shaft, the second shaft pin 562 penetrates through the circular holes of the upper baffle and the lower baffle, a retaining ring 564 is fixedly connected to the second shaft pin, the spring 563 mounted on the second shaft pin 562 is disposed between the retaining ring 564 and the second baffle, when the saw blade is replaced, the second shaft pin 562 on the saw blade replacing device 56 is pressed to clamp the front end of the shaft pin with the tapered structure on the threaded structure of the motor shaft, so as to stop the motor shaft from rotating, at this time, the spring 563 is compressed by the retaining ring 564 and the second baffle, the saw blade can be replaced, when the saw blade is replaced, the second shaft pin 562 on the saw blade replacing device 56 is released, at the moment, the spring 564 loses pressure to reset the saw blade replacing device 56, and the effect of safer operation is achieved.

On the basis, as shown in fig. 1, the cutting device 5 further comprises a cutting baffle 57 fixed on the cutting shell 51 through screws, and the cutting baffle 57 fixed on the cutting shell 51 through screws is adopted, so that not only can waste scraps of workpieces be blocked in the cutting process, but also whether the cutting of the workpieces is stable and whether the cutting is finished can be seen, and the effects of safety and convenience are achieved.

On the basis, as shown in fig. 1, the cutting device 5 is provided with a reverse self-locking switch device 6 for switching on and off a power supply, the reverse self-locking switch device 6 can be purchased in the market, and the adopted reverse self-locking switch device 6 achieves the effect of safer operation.

On the basis, as shown in fig. 2, the link mechanism 55 includes a first link and a second link, one end of the first link is connected to the mounting base 4 through a first screw, the other end of the first link is connected to the second link through a second screw, one end of the second link is connected to the first link through a second screw, the other end of the second link is fixed to the inner saw blade protecting cover 54 through a third screw, and when the cutting machine is pressed downward, the first link drives the second link to open the inner saw blade protecting cover 54 to start working, so that the effect of more convenient operation is achieved.

On the basis, as shown in fig. 3, the quick clamping mechanism 2 includes an operating handwheel 21, a driving screw 22, a cylindrical fixing rod 23, a clamping plate 24 and a backup grid 25, one end of the driving screw 22 is hinged to the clamping plate 24 through the cylindrical fixing rod 23, the other end of the driving screw 23 is provided with the operating handwheel 22, the quick clamping mechanism 2 further includes a handle 26, the handle 26 is mounted on the operating handwheel 21 through screws, one side of the backup grid 25 is arranged on the base 1 through a rotating shaft 251, the base 1 is provided with a connecting hole for fixing the rotating shaft 251, the other side of the backup grid 25 is provided with an arc chute 252, a positioning bolt is arranged in the arc chute 252, a bolt hole for connecting with the positioning bolt through a thread is arranged at the arc chute 252 of the backup grid 25 on the bottom plate, one side of the arc chute 25 is provided with an arc angle ruler 253 with the arc, when the metal cutting machine works, the operating handle 26 is used for rapidly sliding the driving screw rod 22, the clamping plate 24 and the backup bar 25 are used for fixing a workpiece, the manual fixing switch 31 is pressed at the moment, the driving screw rod 22 is rotated by the operating handle 26 again to ensure that the workpiece is clamped stably, meanwhile, the clamping plate 24 is prevented from retreating when the cutting workpiece receives reverse force, the problem of low fixing speed of the workpiece is solved, the positioning bolt is arranged in the arc-shaped chute structure 252 on the backup bar 25 arranged by the rapid clamping mechanism 2, when the angle needs to be changed, the positioning bolt is unscrewed, the backup bar 25 is pulled to rotate along the rotating shaft, after the backup bar is rotated in place, the positioning bolt is screwed again, the product can be fixed at different angles, the effect of cutting different angles of metal is achieved, the working efficiency is improved, and the processing cost is reduced.

On the basis, as shown in fig. 4 and 5, the quick clamping mechanism 2 further comprises a positioning baffle 27 which is arranged on the backup grid 25 and can be turned over, the positioning baffle 27 comprises a connecting part and a positioning part facing the backup grid 25, the connecting part is far away from one end of the positioning part and is hinged with the backup grid 25 through a hole pin shaft, the positioning part is obliquely arranged, the distance between the upper end of the positioning part and the clamping plate 24 is smaller than the distance between the lower end of the positioning part and the clamping plate 24, when the cylindrical workpiece is cut, the positioning baffle 27 arranged on the backup grid 25 is turned to one side of the backup grid 25 close to the clamping plate 24, the driving screw rod 22 is quickly slid by using the operating handle 26, the manual fixing switch 31 is pressed down when the cylindrical workpiece is close, and the space formed by the positioning parts of the positioning baffle 27 arranged on the driving screw rod 22 and the backup grid 25 is used for rotating the driving clamping plate, the distance between the upper end of the positioning part and the clamping plate 24 is smaller than the distance between the lower end of the positioning part and the clamping plate 24, so that the cylindrical workpiece cannot slide upwards in the clamping process, the clamping plate 24 is prevented from retreating due to the reverse force when the cylindrical workpiece is cut, the cylindrical workpiece is ensured to be clamped stably, and when the cylindrical workpiece is not required to be cut, the positioning plate is turned to the other side of the leaning grid 25, so that other workpieces required to be cut are fixed by the leaning grid 25 and the clamping plate 24, and the effect of quickly positioning the cylindrical workpiece is achieved.

On the basis, as shown in fig. 6 and 7, the quick clamping mechanism 2 further comprises a cylindrical workpiece clamping device 28, the cylindrical workpiece clamping device 28 comprises a bottom plate 281 with handles arranged on two sides and a cylindrical fixing plate 282 fixed on the bottom plate 281, the bottom plate 281 is fixed on the clamping plate 24 through the handles arranged, a triangular groove is formed in one side, away from the bottom plate 281, of the cylindrical fixing plate 282, when the clamping device is used, the triangular groove can fix the cylindrical workpiece to prevent sliding, the clamping plate 24 is prevented from retreating when the cylindrical workpiece is cut by the reverse force, and the problem that the fixing speed of the cylindrical workpiece is slow is solved.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a metal cutting machine, includes base (1), be provided with the spout structure on base (1), sweeps box (11) are equipped with to base (1) bottom, sweeps box one end is provided with knob (12) fixed and the removal effect, its characterized in that: be provided with quick clamping machine structure (2) and fixing base (3) on base (1), quick clamping machine structure (2) pass fixing base (3), be provided with manual activity switch (31) that are used for fixed quick clamping machine structure (2) on fixing base (3), be provided with mount pad (4) on base (1), still include cutting device (5), cutting device (5) are articulated through pivot and mount pad (4), cutting device (5) are provided with groove structure through pivot and mount pad (4) articulated position, be provided with the torsional spring in the pivot, the one end of torsional spring is installed on mount pad (4), install the other end of torsional spring on cutting device (5), cutting device (5) are including cutting shell (51), cutting saw bit (52), saw bit protection dustcoat (53), The saw blade protection inner cover (54) and the driving motor arranged on the cutting shell (51), a motor shaft of the driving motor is provided with a thread structure, the saw blade protection inner cover (54) is driven to open and close by a link mechanism (55), one side of the mounting seat (4) is also provided with a locker (41) used for locking the cutting device (5), the locker (41) comprises a fixing rod (411) with a through hole structure and a locking rod (412) penetrating through the through hole structure of the fixing rod (411), the fixing rod (411) is fixed on the mounting seat (4), the locking rod (412) is provided with a round hole structure, the locking rod (412) is provided with a first shaft pin (413) penetrating through the round hole structure, one side of the fixing rod (411) close to the locking rod (412) is provided with two groups of arc groove structures matched with the shaft pins, and the depth of the first group of arc grooves is smaller than that of the second group of, when the first shaft pin (413) is located in the second group of arc grooves, the locking rod (412) is located in the groove structure, and when the first shaft pin (413) is located in the first group of arc grooves, the locking rod (412) is located on one side of the groove structure.

2. The cutting machine according to claim 1, characterized in that: the cutting device (5) further comprises a saw blade replacing device (56), the saw blade replacing device (56) comprises an outer cover (561), a second shaft pin (562) and a spring (563) installed on the second shaft pin (562), an upper baffle and a lower baffle are arranged inside the outer cover (561), the upper baffle and the lower baffle are provided with round holes, the front end of the second shaft pin (562) is provided with a conical structure hinged with a threaded structure of a motor shaft, the second shaft pin (562) penetrates through the round holes of the upper baffle and the lower baffle, a retainer ring (564) is fixedly connected to the second shaft pin, and the spring (563) installed on the second shaft pin (562) is arranged between the retainer ring (564) and the second retainer plate.

3. The cutting machine according to claim 1, characterized in that: the cutting device (5) further comprises a cutting baffle (57) fixed on the cutting shell (51) through screws.

4. The cutting machine according to claim 1, characterized in that: and the cutting device (5) is provided with a reverse self-locking switch device (6) for switching on and off a power supply.

5. The cutting machine according to claim 1, characterized in that: the connecting rod mechanism (55) comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the mounting seat (4) through a first screw, the other end of the first connecting rod is connected with the second connecting rod through a second screw, one end of the second connecting rod is connected with the first connecting rod through a second screw, and the other end of the second connecting rod is fixed on the saw blade protective inner cover (54) through a third screw.

6. The cutting machine according to claim 1, characterized in that: the rapid clamping mechanism (2) comprises an operating hand disc (21), a driving screw rod (22), a cylindrical fixing rod (23), a clamping plate (24) and a backup plate (25), one end of the driving screw rod (22) is hinged to the clamping plate (24) through the cylindrical fixing rod (23), the other end of the driving screw rod (23) is provided with the operating hand disc (22), the rapid clamping mechanism (2) further comprises a handle (26), the handle (26) is installed on the operating hand disc (21) through screws, one side of the backup plate (25) is arranged on the base (1) through a rotating shaft (251), a connecting hole for fixing the rotating shaft (251) is formed in the base (1), an arc-shaped sliding groove (252) is formed in the other side of the backup plate (25), a positioning bolt is arranged in the arc-shaped sliding groove (252) of the backup plate (25), and a bolt hole for being in threaded connection with the positioning bolt is formed in the arc-shaped sliding groove (252, an arc angle ruler (253) with the same angle as the arc chute (25) is arranged on one side of the arc chute.

7. The cutting machine according to claim 3, characterized in that: quick clamping machine constructs (2) and still includes positioning baffle (27) that can overturn that sets up on leaning on bars (25), positioning baffle (27) include connecting portion and towards the location portion of leaning on bars (25), connecting portion are kept away from location portion one end and are sold with leaning on bars (25) hinge through hole round pin, location portion slant sets up, the distance of location portion upper end and clamping board (24) is less than the distance of location portion lower extreme and clamping board (24).

8. The cutting machine according to claim 4, characterized in that: the quick clamping mechanism (2) further comprises a cylindrical workpiece clamping device (28), the cylindrical workpiece clamping device (28) comprises a bottom plate (281) with handles arranged on two sides and a cylindrical fixing plate (282) fixed on the bottom plate (281), the bottom plate (281) is fixed on a clamping plate (24) through the handles arranged, and a triangular groove is formed in one side, far away from the bottom plate (281), of the cylindrical fixing plate (282).