CN220311959U

CN220311959U - Metal circular sawing machine mechanism

Info

Publication number: CN220311959U
Application number: CN202321764410.4U
Authority: CN
Inventors: 沈李辉; 金建德
Original assignee: Zhejiang Jinsong Precision Manufacturing Co ltd
Current assignee: Zhejiang Jinsong Precision Manufacturing Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-01-09
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a metal circular sawing machine mechanism, which comprises a mounting seat and a positioning frame rotatably mounted on the mounting seat, wherein a saw blade and a driving mechanism for driving the saw blade to rotate are mounted on the positioning frame, a tension spring for assisting the lifting of the positioning frame is mounted between the positioning frame and the mounting seat, a handle is mounted on the positioning frame, an arc-shaped frame is fixedly mounted on the mounting seat, a guide chute is arranged on the arc-shaped frame, a connecting pipe penetrating through the guide chute is fixedly arranged on the handle, a locking mechanism for limiting the movement of the handle is arranged between the connecting pipe and the arc-shaped frame, an unlocking mechanism for unlocking the locking mechanism is further arranged on the handle, when a hand of a worker breaks away from the handle, the locking mechanism locks the handle at the moment, the positioning frame and the saw blade are suspended at the position, the tension spring is prevented from driving the positioning frame and the saw blade to be quickly sprung up, the damage to the worker is reduced, and the use safety of the metal circular sawing machine is improved.

Description

Metal circular sawing machine mechanism

Technical Field

The utility model relates to the technical field of circular sawing machines, in particular to a metal circular sawing machine mechanism.

Background

The metal circular sawing machine is mainly used for cutting metal materials.

As shown in fig. 1, a metal circular sawing machine currently comprises a machine table 1 and a mounting seat 10 fixed on the machine table 1, wherein a positioning frame 11 is rotatably mounted on the mounting seat 10, and a saw blade 101 and a driving mechanism for driving the saw blade 101 to rotate are mounted on the positioning frame 11. Specifically, the positioning frame 11 is provided with a handle 12 for rotating the positioning frame 11 relative to the mounting seat 10, so that the position of the saw blade 101 is conveniently controlled, and the cutting of the metal material is realized. After the material is cut, a tension spring 13 is installed between the mount 10 and the positioning frame 11 so that the positioning frame 11 and the saw blade 101 can be reset.

During the use, the staff needs to hold the handle 12 to control the position of the saw blade 101, after sawing is finished, the staff stops controlling the handle 12, the positioning frame 11 can be quickly sprung up to reset under the action of the tension spring 13, and at the moment, the handle 12 is easy to hurt the operator.

Therefore, how to design a circular sawing machine mechanism for preventing the grip from bouncing up rapidly is a technical problem to be solved urgently by the person skilled in the art.

Disclosure of Invention

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a metal circular sawing machine mechanism which solves the problem that a handle is quickly sprung up to hurt operators.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a metal circular sawing machine mechanism, includes the mount pad and rotates the locating rack of installing on the mount pad, installs saw bit and drive saw bit pivoted actuating mechanism on the locating rack, installs the extension spring that is used for assisting the locating rack to lift up between locating rack and the mount pad, install the handle on the locating rack, fixed mounting has the arc frame on the mount pad, be equipped with on the arc frame and lead the spout, the handle is last to be fixed to be equipped with to pass lead the connecting pipe of spout, the connecting pipe with be equipped with between the arc frame and be used for restricting the locking mechanism that the handle removed, still be equipped with the release mechanism that releases the locking mechanism and lock the handle on the handle.

Further, locking mechanism includes a plurality of lock groove, lock piece and pushes away the elastic component that the lock piece pegged graft to lock inslot portion, and a plurality of lock groove sets up on the lateral wall of arc frame along the circumference of arc frame, the lock piece is along the axial and connecting pipe sliding connection of connecting pipe, the outside at the connecting pipe is established to the elastic component cover, and the one end and the lock piece fixed connection of elastic component, the outer wall fixed connection of the other end and handle, under the locking state, the lock piece is pegged graft to the lock inslot.

Further, the connecting pipe is sleeved with a mounting sleeve in sliding connection, a limiting mechanism for limiting circumferential rotation of the mounting sleeve is arranged between the connecting pipe and the mounting sleeve, a pushing plate is fixedly arranged on the mounting sleeve, and the buckling block is fixed on the pushing plate.

Further, the elastic piece comprises a pressure spring, one end of the pressure spring is fixedly connected with the handle, and the other end of the pressure spring is fixedly connected with the pushing plate.

Further, the stop gear includes the guide way that sets up along connecting pipe axial, the fixed limiting plate that is equipped with of inner wall of installation cover peg graft to in the guide way, the lateral wall of limiting plate with the inner wall of guide way offsets.

Further, the unlocking mechanism comprises a supporting seat, a pressing handle and a traction rope, wherein the supporting seat is fixedly arranged on the outer wall of the handle, the middle section of the pressing handle is rotationally connected with the supporting seat, one end of the traction rope is fixedly connected with the end part of the pressing handle, and the other end of the traction rope is fixedly connected with a limiting plate or a mounting sleeve.

Further, the guide slot is communicated with the inner wall and the outer wall of the connecting pipe, part of the traction rope is arranged in the cavity of the handle, an extension hole is formed in the handle, a traction head is arranged at the end part of the pressing handle, the end part of the traction rope penetrates through the extension hole and is fixedly connected with the traction head, the traction rope is tight in an unlocking state, and the traction head is in butt joint with the outer wall of the handle.

Compared with the prior art, the utility model has the beneficial effects that the locking mechanism is arranged between the connecting pipe and the arc-shaped frame, when a worker holds the handle and presses the unlocking mechanism, the locking mechanism releases the limit on the handle, and at the moment, the positioning frame and the saw blade can be pressed downwards through the handle, so that the sawing of the metal material is realized;

when staff breaks away from the handle, release the pressure to release the release mechanism, locking mechanism locks the handle this moment, hovers locating rack and saw bit in this position, prevents that the extension spring from driving locating rack and saw bit and bouncing up rapidly, reduces the damage of handle to the staff, improves the security that metal circular sawing machine used.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic view of a first state of the present utility model;

FIG. 3 is a schematic view of a second state of the present utility model;

FIG. 4 is a partial exploded view of the present utility model;

FIG. 5 is a schematic view of the construction of the mounting sleeve;

FIG. 6 is a schematic view of the mounting structure of the mounting sleeve;

FIG. 7 is a schematic view of the structure of the grip in a first state;

FIG. 8 is a schematic view of the structure of the grip in a second state;

fig. 9 is a schematic view of a press handle mounting structure.

In the figure: 1. a machine table; 10. a mounting base; 101. a saw blade; 102. a gearbox; 103. a motor; 11. a positioning frame; 111. a positioning plate; 12. a grip; 121. a support base; 1211. pressing the handle; 1212. a traction head; 122. an extension hole; 13. a tension spring; 2. an arc-shaped frame; 21. a guide chute; 22. a buckling groove; 3. a connecting pipe; 31. a guide groove; 4. a mounting sleeve; 41. a limiting plate; 5. a push plate; 6. a buckling block; 7. a pressure spring; 8. a traction rope.

Detailed Description

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

The embodiment provides a metal circular sawing machine mechanism, mainly solves the problem that when a worker loosens to limit a handle, a tension spring drives a positioning frame and the handle to quickly pop up for resetting, and the worker is injured.

As shown in fig. 2 and fig. 3, the machine comprises a machine 1, wherein a mounting seat 10 is mounted on the machine 1, a positioning frame 11 is rotatably mounted on the mounting seat 10, specifically, a saw blade 101 for sawing materials is mounted on the positioning frame 11, a motor 103 for driving the saw blade 101 to rotate and a gearbox 102 for adjusting the rotating speed of the motor 103 are further mounted on the positioning frame 11, an output shaft of the motor 103 is fixedly connected with an input shaft of the gearbox 102, and the saw blade 101 is fixedly mounted on an output shaft of the gearbox 102.

In order to change the positions of the positioning frame 11 and the saw blade 101, and realize sawing of materials, in this embodiment, as shown in fig. 2 and 3, a handle 12 is fixedly installed on the gearbox 102, specifically, the handle 12 is made of hollow steel pipes, and the handle 12 can be used to realize relative rotation between the positioning frame 11 and the mounting seat 10, so as to adjust the position of the saw blade 101.

When a worker is working, the hand grip 12 needs to be held and pressed downwards; in order to ensure that the positioning frame 11 and the saw blade 101 can return to the state shown in fig. 2 when the sawing operation is stopped, in this embodiment, as shown in fig. 3, a positioning plate 111 fixed by a bolt is disposed on the positioning frame 11, and a tension spring 13 is hooked at one end of the positioning plate 111 away from the rotation axis of the positioning frame 11 and the mounting seat 10, wherein the other end of the tension spring 13 is fixedly connected with the mounting seat 10; the state of fig. 2 is an initial state of the circular saw machine, in which the tension spring 13 is in a free state, and the circular saw machine of fig. 3 is in an operational state, in which the tension spring 13 is in a stretched state.

In order to prevent the saw blade 101 from splashing the cut material chips in the working state, in this embodiment, a protective cover for protecting the saw blade 101 is further mounted on the positioning frame 11.

In order to solve the problem that after the operator releases the restriction on the handle 12, the positioning frame 11 and the handle 12 are quickly switched from the state of fig. 3 to the state of fig. 2 under the action of the tension spring 13, the handle 12 hurts the operator, in this embodiment, as shown in fig. 2, 3 and 4, an arc-shaped frame 2 is fixedly arranged on the mounting seat 10, wherein the axis of the arc-shaped frame 2 coincides with the rotation axis of the positioning frame 11, the left side and the right side of the arc-shaped frame 2 are provided with guide sliding grooves 21 in a penetrating way, the guide sliding grooves 21 are arc-shaped and have the rotation center on the rotation axis of the positioning frame 11, a connecting pipe 3 penetrating through the guide sliding grooves 21 and fixedly connected with the handle 12 is fixedly arranged on the outer wall of the gearbox 102, a locking mechanism for limiting the rotation of the handle 12 is arranged between the connecting pipe 3 and the arc-shaped frame 2, and an unlocking mechanism for releasing the locking state of the locking mechanism on the handle 12 is also arranged on the handle 12; the specific states of the unlocking mechanism and the locking mechanism are as follows: when a worker holds the handle 12, the unlocking mechanism is controlled by hand to release the lock of the locking mechanism to the handle 12, and at this time, as shown in fig. 8, the positioning frame 11 and the saw blade 101 can be driven to move by the handle 12, and when the worker's hand is separated from the handle 12, the unlocking mechanism releases the restriction of the locking mechanism, the locking mechanism restricts the handle 12, the handle 12 is fixed on the arc-shaped frame 2, the movement of the handle 12 is restricted, and the positioning frame 11 and the saw blade 101 are kept at the same position, so that the tension spring 13 is prevented from driving the positioning frame 11 and the handle 12 to quickly bounce to hurt the person.

Specifically, in this embodiment, as shown in fig. 4 and 7, the locking mechanism includes a plurality of buckling grooves 22, buckling blocks 6 and a pressure spring 7 for driving the buckling blocks 6 to be inserted into the buckling grooves 22, the plurality of buckling grooves 22 are arranged on the side wall of the arc-shaped frame 2 along the circumferential direction of the arc-shaped frame 2, the plurality of buckling grooves 22 are sequentially arranged and connected end to end, the buckling blocks 6 are slidably connected with the connecting pipe 3 along the axial direction of the connecting pipe 3, the pressure spring 7 is sleeved on the outer side of the connecting pipe 3, one end of the pressure spring 7 is fixedly connected with the buckling blocks 6, and the other end is fixedly connected with the outer wall of the grip 12; when the operator releases his hand from the handle, as shown in fig. 7, the buckling block 6 is inserted into the buckling groove 22, and the positioning frame 11 is limited to rapidly spring up under the action of the tension spring 13 through the connecting pipe 3; when the positioning frame 11 and the saw blade 101 need to be pressed downwards, as shown in fig. 8, the unlocking mechanism drives the buckling block 6 to move along the axial direction of the connecting pipe 3 to move out of the buckling groove 22, so that the locking of the handle 12 is released, and the sawing operation of the metal material is facilitated.

Specifically, in this embodiment, in order to implement the installation of the buckling block 6, as shown in fig. 5, 6 and 7, an installation sleeve 4 is sleeved on the outer side of the connecting pipe 3, the inner wall of the installation sleeve 4 is slidably connected with the outer wall of the connecting pipe 3, a pushing plate 5 fixed by a bolt is arranged on the installation sleeve 4, the buckling block 6 is fixed on the pushing plate 5, wherein one end of the pressure spring 7 is fixed on the pushing plate 5, and the other end is fixed on the outer wall of the grip 12.

In order to prevent the installation sleeve 4 from rotating circumferentially around the connection pipe 3 when axially sliding along the connection pipe 3, in this embodiment, as shown in fig. 6, a guide groove 31 axially disposed along the connection pipe 3 is communicated between the outer wall of the connection pipe 3 and the inner cavity, and a limiting plate 41 inserted into the guide groove 31 is fixedly disposed on the inner wall of the installation sleeve 4, where the side wall of the limiting plate 41 abuts against the inner wall of the guide groove 31 to limit the circumferential rotation of the installation sleeve 4.

In order to disengage the fastening block 6 from the fastening groove 22, in this embodiment, as shown in fig. 9, the unlocking mechanism includes a supporting seat 121, a pressing handle 1211, and a pulling rope 8, wherein the supporting seat 121 is fixed on the outer wall of the grip 12, the middle section of the pressing handle 1211 is rotatably connected with the supporting seat 121, one end of the pulling rope 8 is connected with the end of the pressing handle 1211, the other end of the pulling rope 8 is fixedly connected with the limiting plate 41, and in the unlocking state, the pulling rope 8 is in a straightened state, and the end of the pressing handle 1211 connected with the pulling rope 8 abuts against the outer wall of the grip 12.

By the arrangement, the pressing handle 1211 is pressed, and the mounting sleeve 4 is driven by the traction rope 8 and the limiting plate 41 to move along the axial direction of the connecting pipe 3 to the side far away from the buckling groove 22, at the moment, the pressure spring 7 is compressed, the buckling block 6 moves out of the buckling groove 22, and the locking of the handle 12 is released, as shown in fig. 8; when the pressing of the pressing handle 1211 is stopped, the compression spring 7 pushes the mounting sleeve 4 and the buckling block 6 to reset, so that the buckling block 6 is inserted into the buckling groove 22 to lock the grip 12, as shown in fig. 7.

In order to conceal the hauling rope 8, in this embodiment, as shown in fig. 9, the inner cavity of the connecting pipe 3 is communicated with the inner cavity of the handle 12, the handle 12 is provided with an extension hole 122, a part of the hauling rope 8 is concealed in the handle 12 and the inner cavity of the connecting pipe 3, one end of the pressing handle 1211 is provided with a hauling head 1212, wherein the hauling rope 8 passes through the extension hole 122 and is fixedly connected with the hauling head 1212, and in the unlocked state, the hauling head 1212 is abutted against the outer wall of the handle 12.

When the circular sawing machine is required to be switched from the state shown in fig. 3 to the state shown in fig. 2, the handle 12 is held and the pressing handle 1211 is pressed, the buckling of the buckling block 6 and the buckling groove 22 is released, the downward pressure is stopped to be applied to the handle 12, the handle 12 and the positioning frame 11 are slowly moved under the action of the tension spring 13, the safe reset of the circular sawing machine is realized, and the safety of the circular sawing machine in the use process is improved.

In this scheme, the handle 12 and the saw blade 101 can be hovered at any position, and the material can leave the device midway during cutting, and then return to continue cutting.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a metal circular sawing machine mechanism, includes mount pad (10) and rotates locating rack (11) of installing on mount pad (10), installs saw bit (101) and drive saw bit (101) pivoted actuating mechanism on locating rack (11), installs between locating rack (11) and mount pad (10) and is used for helping locating rack (11) to lift up extension spring (13), install handle (12), its characterized in that on locating rack (11): the novel handle is characterized in that an arc-shaped frame (2) is fixedly installed on the installation seat (10), a guide chute (21) is formed in the arc-shaped frame (2), a connecting pipe (3) penetrating through the guide chute (21) is fixedly arranged on the handle (12), a locking mechanism used for limiting the handle (12) to move is arranged between the connecting pipe (3) and the arc-shaped frame (2), and an unlocking mechanism used for unlocking the locking mechanism to lock the handle (12) is further arranged on the handle (12).

2. The metal circular sawing machine mechanism according to claim 1 wherein: the locking mechanism comprises a plurality of buckling grooves (22), buckling blocks (6) and elastic pieces for pushing the buckling blocks (6) to be inserted into the buckling grooves (22), the buckling grooves (22) are formed in the side wall of the arc-shaped frame (2) along the circumferential direction of the arc-shaped frame (2), the buckling blocks (6) are slidably connected with the connecting pipe (3) along the axial direction of the connecting pipe (3), the elastic pieces are sleeved on the outer side of the connecting pipe (3), one ends of the elastic pieces are fixedly connected with the buckling blocks (6), the other ends of the elastic pieces are fixedly connected with the outer wall of the handle (12), and in a locking state, the buckling blocks (6) are inserted into the buckling grooves (22).

3. The metal circular sawing machine mechanism according to claim 2, wherein: the connecting pipe (3) is sleeved with a mounting sleeve (4) in sliding connection, a limiting mechanism for limiting circumferential rotation of the mounting sleeve (4) is arranged between the connecting pipe (3) and the mounting sleeve (4), a pushing plate (5) is fixedly arranged on the mounting sleeve (4), and a buckling block (6) is fixed on the pushing plate (5).

4. A metal circular sawing machine mechanism according to claim 3 wherein: the elastic piece comprises a pressure spring (7), one end of the pressure spring (7) is fixedly connected with the handle (12), and the other end of the pressure spring is fixedly connected with the pushing plate (5).

5. A metal circular sawing machine mechanism according to claim 3 wherein: the limiting mechanism comprises a guide groove (31) axially arranged along the connecting pipe (3), a limiting plate (41) inserted into the guide groove (31) is fixedly arranged on the inner wall of the mounting sleeve (4), and the side wall of the limiting plate (41) abuts against the inner wall of the guide groove (31).

6. The metal circular sawing machine mechanism according to claim 5 wherein: the unlocking mechanism comprises a supporting seat (121), a pressing handle (1211) and a traction rope (8), wherein the supporting seat (121) is fixedly installed on the outer wall of the grip (12), the middle section of the pressing handle (1211) is rotationally connected with the supporting seat (121), one end of the traction rope (8) is fixedly connected with the end part of the pressing handle (1211), and the other end of the traction rope (8) is fixedly connected with a limiting plate (41) or an installation sleeve (4).

7. The metal circular sawing machine mechanism according to claim 6 wherein: the guide groove (31) is communicated with the inner wall and the outer wall of the connecting pipe (3), part of the traction rope (8) is arranged in the cavity of the handle (12), an extension hole (122) is formed in the handle (12), a traction head (1212) is arranged at the end part of the pressing handle (1211), the end part of the traction rope (8) penetrates through the extension hole (122) and is fixedly connected with the traction head (1212), and in an unlocking state, the traction rope (8) is tightly stretched, and the traction head (1212) is in butt joint with the outer wall of the handle (12).