CN220944515U

CN220944515U - Bar chamfering machine

Info

Publication number: CN220944515U
Application number: CN202322275028.3U
Authority: CN
Inventors: 王富贵; 李建忠; 张仲兴; 徐信; 李庆
Original assignee: Hainan Longxiangyuan Technology Co ltd; Chengde Jianlong Special Steel Co Ltd
Current assignee: Hainan Longxiangyuan Technology Co ltd; Chengde Jianlong Special Steel Co Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-05-14
Anticipated expiration: 2033-08-23

Abstract

The utility model belongs to the technical field of bar chamfering, and discloses a bar chamfering machine which comprises a supporting seat, a swinging arm, a rotating assembly and a lifting assembly, wherein the swinging arm is rotatably arranged on the supporting seat, one end of the swinging arm is provided with a grinding wheel, and the rotating assembly drives the grinding wheel to rotate so as to chamfer bars; the lifting assembly comprises a lifting driving piece and a lifting rod, and the lifting driving piece drives the lifting rod to lift so as to enable the swinging arm to swing on the supporting seat, and further enable one end of the swinging arm provided with the grinding wheel to lift so as to adapt to different bar specifications; and the lifting rod is elastically connected with one end of the swing arm, which is far away from the grinding wheel, so that the swing arm is provided with a space for automatic height adjustment, and the space can be automatically adjusted according to the change of the diameter of the end part of the bar, so that chamfering is uniform. The bar chamfering machine is elastically connected with the swing arm through the lifting rod, so that the end chamfering depth of the bar is kept uniform and consistent when the bar is chamfered, and the chamfering effect is improved.

Description

Bar chamfering machine

Technical Field

The utility model relates to the technical field of bar chamfering, in particular to a bar chamfering machine.

Background

After being sheared, the bar inevitably produces burrs at the two ends, the existence of the burrs can influence the proceeding of the subsequent process flow and easily scratch an operator, so that a chamfering machine is required to chamfer the two ends of the bar, and the bar is round steel, has a certain length and is inevitably bent or is out of round, so that the problem that the end part of the bar cannot be always attached to a grinding wheel during chamfering finally causes the non-ideal chamfering effect.

Disclosure of utility model

The utility model aims to provide a bar chamfering machine, which can enable a grinding wheel to be always attached to the end part of a bar so as to improve chamfering effect.

To achieve the purpose, the utility model adopts the following technical scheme:

Bar chamfering machine includes:

A support base;

The swing arm is rotatably arranged on the supporting seat, and one end of the swing arm is provided with a grinding wheel;

a rotation assembly configured to drive rotation of the grinding wheel;

The lifting assembly comprises a lifting driving piece and a lifting rod, wherein the lifting rod is elastically connected with the other end of the swinging arm, and the lifting driving piece can drive the lifting rod to lift so as to drive one end of the swinging arm, on which the grinding wheel is arranged, to lift.

As an alternative, the swing arm deviates from the other end of emery wheel is provided with the connecting plate, lifting unit still includes compresses tightly the piece, compresses tightly the piece and two springs down, go up compress tightly the piece with compress tightly the piece down set up in on the lifter, and be located respectively the both sides of connecting plate, two the spring is all overlapped and is located on the lifter, and be located respectively the both sides of connecting plate, and one spring elastic compression in the connecting plate with go up compress tightly between the piece, another spring elastic compression in the connecting plate with compress tightly down between the piece.

As an alternative, two ends of each spring are provided with cushion blocks, and two ends of each spring are respectively abutted against two cushion blocks.

As an alternative, the outer surface of the lifting rod is provided with external threads, the upper pressing part and the lower pressing part are nuts, the nuts above the connecting plate are in threaded connection with the lifting rod and press the springs above, and the nuts below the connecting plate are in threaded connection with the lifting rod and press the springs below.

As an alternative, the upper pressing member and the lower pressing member are both provided.

As an alternative scheme, rotating assembly includes rotating electrical machines, action wheel, follow driving wheel, driven shaft and driving medium, the rotating electrical machines fixed set up in on the swing arm, the action wheel set up in the output of rotating electrical machines, the driven shaft rotate set up in on the swing arm, just follow driving wheel with driven shaft fixed connection, the emery wheel fixed set up in on the driven shaft, the action wheel with follow the driving medium transmission connection.

As an alternative, the transmission member is a belt.

As an alternative, the rotating motor is fixedly arranged at the other end of the swing arm, which is away from the grinding wheel.

As an alternative, the supporting seat is provided with a rotating shaft, and the swinging arm is rotatably arranged on the rotating shaft.

As an alternative, the swing arm is provided with the dust cover of one end of emery wheel, the dust cover is provided with the collection mouth, collect the mouth and deviate from the terminal surface of emery wheel is connected with the dust remover.

The utility model has the beneficial effects that:

The utility model provides a bar chamfering machine which comprises a supporting seat, a swinging arm, a rotating assembly and a lifting assembly, wherein the swinging arm is rotatably arranged on the supporting seat, one end of the swinging arm is provided with a grinding wheel, and the rotating assembly drives the grinding wheel to rotate so as to chamfer bars; the lifting assembly comprises a lifting driving piece and a lifting rod, and the lifting driving piece drives the lifting rod to lift so as to enable the swinging arm to swing up and down on the supporting seat, and further enable one end of the swinging arm provided with the grinding wheel to swing so as to realize lifting, so that the lifting assembly is suitable for different bar specifications; and the lifting rod is elastically connected with one end of the swing arm, which is far away from the grinding wheel, so that the swing arm is provided with a space for automatic height adjustment, and the space can be automatically adjusted according to the change of the diameter of the end part of the bar, so that chamfering is uniform. The bar chamfering machine is elastically connected with the swing arm through the lifting rod, so that the chamfering depth of the end part of the bar is kept uniform when the bar is chamfered, and the chamfering effect is improved; and when the grinding wheel chamfering the bar, the swing arm can generate impact force to the lifting rod, so that the lifting driving piece is damaged, the elastic connection of the lifting rod and the swing arm can effectively buffer the impact force, and the service life of each part is prolonged.

Drawings

Fig. 1 is a schematic structural view of a bar chamfering machine according to an embodiment of the present utility model;

fig. 2 is an enlarged view of the structure at a in fig. 1.

In the figure:

100. grinding wheel; 200. A bar;

1. A support base; 11. A rotating shaft;

2. A swing arm; 21. A connecting plate;

3. A rotating assembly; 31. a rotating electric machine; 32. a driven shaft; 33. a transmission member;

4. A lifting assembly; 41. a lifting driving member; 42. a lifting rod; 43. an upper pressing member; 44. a lower pressing member; 45. a spring; 46. and (5) cushion blocks.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides a bar chamfering machine, which is arranged on a whole bar processing production line, wherein upstream equipment of the bar chamfering machine shears bars, then the bars are conveyed to the bar chamfering machine for chamfering, when the bar chamfering machine chamfering, a grinding wheel 100 rotates, the upstream equipment of the bar chamfering machine drives the bars to rotate at the same time, and the end parts of the bars are abutted against the outer circular surface of the grinding wheel 100, so that the chamfering of the bars is realized.

As shown in fig. 1-2, the bar chamfering machine comprises a supporting seat 1, a swinging arm 2, a rotating assembly 3 and a lifting assembly 4, wherein the swinging arm 2 is rotatably arranged on the supporting seat 1, one end of the swinging arm 2 is provided with a grinding wheel 100, and the rotating assembly 3 drives the grinding wheel 100 to rotate so as to chamfer a bar 200; the lifting assembly 4 comprises a lifting driving piece 41 and a lifting rod 42, the lower end of the lifting rod 42 is connected with the output end of the lifting driving piece 41, the lifting driving piece 41 drives the lifting rod 42 to lift so as to enable the swinging arm 2 to swing up and down on the supporting seat 1, and further enable one end of the swinging arm 2 provided with the grinding wheel 100 to swing so as to realize lifting, so that the lifting assembly is suitable for the height requirements of the whole bar processing production line (bars 200 are different in specification, the heights of the whole bar are different, and corresponding height adjustment is required according to different bar 200 specifications); and the upper end of the lifting rod 42 is elastically connected with one end of the swing arm 2, which is away from the grinding wheel 100, so that the swing arm 2 has an automatic height adjustment space, which can be automatically adjusted according to the change of the diameter of the end of the bar 200, so that the chamfering is uniform.

The bar chamfering machine provided by the utility model is elastically connected with the swinging arm 2 through the lifting rod 42, so that the chamfering depth of the end part of the bar 200 is kept uniform and consistent when the bar 200 is chamfered, and the chamfering effect is improved; and when the grinding wheel 100 is chamfering the bar 200, the swing arm 2 can generate impact force to the lifting rod 42, so that the lifting driving piece 41 is damaged, the impact force can be effectively buffered by the elastic connection of the lifting rod 42 and the swing arm 2, and the service life of each part is prolonged.

Optionally, the lifting driving piece 41 is a worm gear lifter, the lower end of the lifting rod 42 is connected with the output end of the worm gear lifter, and the upper end of the lifting rod 42 is elastically connected with the swinging arm 2, so that the impact force on the worm gear lifter can be effectively reduced, and the service life of the worm gear lifter and the service life of the lifting rod 42 are prolonged.

Optionally, the supporting seat 1 is provided with a rotating shaft 11, the swinging arm 2 is rotatably arranged on the rotating shaft 11, and the swinging arm 2 swings through the rotating shaft 11 more flexibly.

Optionally, a connecting plate 21 is disposed above the other end of the swing arm 2 facing away from the grinding wheel 100, and two support plates are disposed between the connecting plate 21 and the other end of the swing arm 2 facing away from the grinding wheel 100 to ensure the support strength of the connecting plate 21, the connecting plate 21 is provided with a long hole extending along the length of the swing arm 2, and the lifting rod 42 penetrates through the long hole and is elastically connected with the connecting plate 21.

Specifically, referring to fig. 2, the lifting assembly 4 includes an upper pressing member 43, a lower pressing member 44, and two springs 45, the upper pressing member 43 and the lower pressing member 44 are disposed on the lifting rod 42 and located above and below the connection plate 21, while the two springs 45 are both sleeved on the lifting rod 42 and located above and below the connection plate 21, and the springs 45 located above the connection plate 21 are elastically compressed between the connection plate 21 and the upper pressing member 43, the springs 45 located below the connection plate 21 are elastically compressed between the connection plate 21 and the lower pressing member 44, when the bar chamfering machine does not perform chamfering, the springs 45 located below the connection plate 21 bear large gravity, and when chamfering, the grinding wheel 100 rotates counterclockwise, one end of the swing arm 2 where the grinding wheel 100 is disposed descends, the connection plate 21 compresses the springs 45 located above the connection plate 21, and when encountering a bar 200 with uneven diameter, one end of the swing arm 2 where the grinding wheel 100 is disposed slightly ascends and descends under the action of the two springs 45.

Preferably, the upper pressing member 43 and the lower pressing member 44 are capable of position adjustment on the lifting rod 42, thereby adjusting the pressing force of the spring 45.

Alternatively, two ends of each spring 45 are respectively provided with a cushion block 46, two ends of one spring 45 above the connecting plate 21 are respectively abutted against two cushion blocks 46 above the connecting plate 21, and the two cushion blocks 46 above the connecting plate 21 are clamped between the upper pressing piece 43 and the connecting plate 21; the two ends of the spring 45 positioned below the connecting plate 21 are respectively abutted against the two cushion blocks 46 positioned below the connecting plate 21, the two cushion blocks 46 positioned below the connecting plate 21 are clamped between the lower pressing piece 44 and the connecting plate 21, the use effect of the spring 45 is better through the arrangement of the cushion blocks 46, and the two ends of the spring 45 are prevented from scratching parts.

Further, the end face of the cushion block 46 facing the spring 45 is provided with a limit groove, the spring 45 is limited in the limit groove, when the cushion block 46 is penetrated into the lifting rod 42, two ends of the spring 45 are limited in the limit grooves of the two cushion blocks 46, and the axis of the spring 45 and the axis of the lifting rod 42 can be ensured to be coaxial, so that the spring 45 is prevented from rubbing with the lifting rod 42 during compression to influence the use effect.

In this embodiment, the outer surface of the lifting rod 42 is provided with external threads, the upper pressing member 43 and the lower pressing member 44 are nuts, and the nuts are in threaded connection with the lifting rod 42 so as to press the spring 45, and the position of the spring on the lifting rod 42 can be quickly adjusted by rotating the nuts, so that the purpose of quickly adjusting the pressing force of the spring 45 is achieved.

In order to prevent the nuts from loosening, two upper pressing pieces 43 positioned above the connecting plate 21 and two lower pressing pieces 44 positioned below the connecting plate 21 are respectively arranged, and the two nuts are mutually abutted, so that the nuts can be effectively prevented from loosening to cause position change.

Optionally, referring to fig. 1 again, the rotating assembly 3 includes a rotating motor 31, a driving wheel, a driven shaft 32 and a transmission member 33, where the rotating motor 31 is fixedly disposed on the swing arm 2, the driving wheel is disposed at an output end of the rotating motor 31, the driven shaft 32 is rotationally disposed on the swing arm 2, and the driven wheel is fixedly connected with the driven shaft 32, the grinding wheel 100 is fixedly disposed on the driven shaft 32, the driving wheel and the driven wheel are in transmission connection through the transmission member 33, and the rotating motor 31 drives the driving wheel to rotate through driving the driving wheel, and at the same time the driven wheel drives the driven shaft 32 to rotate, so as to realize rotation of the grinding wheel 100.

Preferably, the driving part 33 is a belt, the driving wheel and the driven wheel are connected through belt transmission, and the vibration can be effectively reduced by adopting the belt transmission connection, so that the whole structure operates more stably.

Preferably, the rotating motor 31 is fixedly arranged on the connecting plate 21 at the other end of the swing arm 2, which is away from the grinding wheel 100, and the rotating motor 31 can be used as a counterweight to ensure the stress balance of the swing arm 2.

Preferably, the swing arm 2 is provided with a dust cover at one end of the grinding wheel 100, the dust cover is provided with a collecting port, the end face of the dust cover facing away from the grinding wheel 100 is provided with an extension pipe, the extension pipe is communicated with the collecting port, the extension pipe is connected with the dust remover through a pipeline, and dust generated when the bar 200 is chamfered enters the dust remover through the collecting port so as to maintain workshop environment.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Bar chamfering machine, its characterized in that includes:

A support base (1);

The swing arm (2) is rotatably arranged on the supporting seat (1), and one end of the swing arm (2) is provided with a grinding wheel (100);

-a rotation assembly (3) configured to drive the grinding wheel (100) in rotation;

The lifting assembly (4) comprises a lifting driving piece (41) and a lifting rod (42), the lifting rod (42) is elastically connected with the other end of the swinging arm (2), and the lifting driving piece (41) can drive the lifting rod (42) to lift so as to drive one end of the swinging arm (2) provided with the grinding wheel (100) to lift;

The other end of the swing arm (2) deviating from the grinding wheel (100) is provided with a connecting plate (21), the lifting assembly (4) further comprises an upper pressing piece (43), a lower pressing piece (44) and two springs (45), the upper pressing piece (43) and the lower pressing piece (44) are arranged on the lifting rod (42) and are respectively positioned at two sides of the connecting plate (21), the two springs (45) are respectively sleeved on the lifting rod (42) and are respectively positioned at two sides of the connecting plate (21), one spring (45) is elastically compressed between the connecting plate (21) and the upper pressing piece (43), and the other spring (45) is elastically compressed between the connecting plate (21) and the lower pressing piece (44);

Two ends of each spring (45) are provided with cushion blocks (46), and two ends of each spring (45) are respectively abutted to the two cushion blocks (46).

2. Bar chamfering machine according to claim 1, characterized in that the outer surface of the lifting rod (42) is provided with an external thread, the upper pressing member (43) and the lower pressing member (44) are nuts, the nuts located above the connecting plate (21) are screwed to the lifting rod (42) and press the springs (45) above, the nuts located below the connecting plate (21) are screwed to the lifting rod (42) and press the springs (45) below.

3. Bar chamfering machine according to claim 2, characterized in that the upper (43) and lower (44) hold-down members are provided in two.

4. Bar chamfering machine according to claim 1, characterized in that the rotating assembly (3) comprises a rotating motor (31), a driving wheel, a driven shaft (32) and a transmission piece (33), wherein the rotating motor (31) is fixedly arranged on the swinging arm (2), the driving wheel is arranged at the output end of the rotating motor (31), the driven shaft (32) is rotatably arranged on the swinging arm (2), the driven wheel is fixedly connected with the driven shaft (32), the grinding wheel (100) is fixedly arranged on the driven shaft (32), and the driving wheel and the driven wheel are in transmission connection through the transmission piece (33).

5. Bar chamfering machine according to claim 4, characterized in that the transmission member (33) is a belt.

6. Bar chamfering machine according to claim 4, characterized in that the rotating motor (31) is fixedly arranged at the other end of the oscillating arm (2) facing away from the grinding wheel (100).

7. Bar chamfering machine according to claim 1, characterized in that the support base (1) is provided with a rotation shaft (11), the swing arm (2) being rotatably arranged on the rotation shaft (11).

8. Bar chamfering machine according to any of claims 1-7, characterized in that the end of the oscillating arm (2) where the grinding wheel (100) is arranged is provided with a dust cover, which dust cover is provided with a collecting opening, the end face of which facing away from the grinding wheel (100) is connected with a dust catcher.