CN112828390A

CN112828390A - Bidirectional corner cutting machine and corner cutting processing technology

Info

Publication number: CN112828390A
Application number: CN202011627895.3A
Authority: CN
Inventors: 杨海清
Original assignee: Guangdong Daya Intelligent Kitchen Electric Appliance Co ltd
Current assignee: Guangdong Daya Intelligent Kitchen Electric Appliance Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-25

Abstract

The invention discloses a bidirectional corner cutting machine and a bidirectional corner cutting processing technology, relates to the field of section bar processing, and further relates to a bidirectional corner cutting machine and a corner cutting processing technology, which comprise a machine body with a working surface and a clamp for clamping; the cutting head is arranged on the working surface in a sliding mode and used for cutting a workpiece; the two sides of the clamp are respectively provided with the cutting head, the cutting heads can adjust the cutting angle of the workpiece, the two movable cutting heads are adopted to process the workpiece, the processing efficiency is improved, repeated loading is not needed, the length exceeding the clamp can be uniformly distributed to the two ends of the clamp after the workpiece is clamped on the clamp, the workpiece bending caused by the acting force of the cutting heads on the workpiece is reduced when the cutting heads are processed, and the rejection rate can be effectively reduced; when a workpiece is clamped, the two cutting heads can be moved to two sides of the clamp, so that the clamp has a larger operation space, the clamping is convenient, and the condition that a worker is accidentally injured by the cutting heads when the workpiece is clamped can be avoided.

Description

Bidirectional corner cutting machine and corner cutting processing technology

Technical Field

The invention belongs to the field of section bar processing, and particularly relates to a bidirectional corner cutting machine and a corner cutting processing technology.

Background

The angle cutting machine is a processing device capable of cutting frame-shaped objects and strip-shaped objects, a general angle cutting machine adopts a workbench in a linear motion type, the materials can be cut off and obliquely cut, and the cut structure is smooth and uniform and is convenient to splice.

The existing angle cutting machine is generally used for single-side angle cutting, after one side of the existing angle cutting machine is cut, a workpiece is clamped again, and secondary angle cutting is carried out on the other end of the workpiece.

On the basis, the double-head cutting machine like CN211804142U is invented, the double-head cutting machine can cut the workpiece at the same time, the workpiece does not need to be clamped again, one-time operation can be completed, and the processing is convenient. However, products such as CN211804142U also have their own drawbacks, and firstly, such products usually adopt a structure in which one end of the cutting head is fixed and the other end of the cutting head is movable, and when the structure is used for clamping a workpiece, one end of the movable cutting head is provided with a fixture for fixing the workpiece, and if the workpiece to be machined is excessively extended out of the fixture, the workpiece is easily bent under the action of the cutting head, so that the product is deformed, the rejection rate of the product is increased, and the procedure of later-stage straightening is also increased. Secondly, the application range of the product is not wide, and the product cannot process workpieces exceeding the clamp too much.

Therefore, a corner cutting machine and a machining process are urgently needed in the market, the corner cutting machine is suitable for the lengths of different workpieces, and cutting deformation is reduced.

Disclosure of Invention

The invention mainly aims to provide a bidirectional corner cutting machine and a bidirectional corner cutting processing technology, and solves the problem that an existing product is easy to bend when processing overlong workpieces.

The technical scheme adopted by the invention is as follows: a bi-directional corner cutting machine comprising:

a machine body provided with a working surface;

the clamp is arranged on the working surface and used for clamping a workpiece;

a cutting head slidably disposed on the working surface for cutting a workpiece;

the two sides of the clamp are respectively provided with one cutting head, and the cutting heads can adjust the cutting angle of the workpiece.

In the technical scheme, the movable cutting heads are arranged on the two sides of the clamp, so that the workpieces exceeding the length of the clamp are shared by two parts, the length of the workpieces extending out of the clamp is indirectly shortened, the workpieces are not easy to bend when being subjected to the machining of the cutting heads, and the rejection rate is reduced. In addition, when a worker clamps a workpiece on the clamp, the two cutting heads can leave a machining area of the clamp, so that the clamp is convenient to install, and the condition that the worker is accidentally injured by the cutting heads can be reduced.

According to a further optimized technical scheme, the cutting head comprises a supporting body, a driving base is rotatably connected to the side face of the supporting body, a polishing piece for cutting is fixed on the driving base, and the supporting body is slidably connected to the working face.

In the technical scheme, the driving base provided with the polishing piece is rotationally connected with the side face of the supporting body, so that the first rotation of the cutting head is realized, and the first angular cutting of the workpiece can be realized.

In a further preferred embodiment, the cutting head further comprises a base plate, the base plate is slidably connected to the working surface, and the base plate is rotatably connected to the bottom surface of the support body.

In the technical scheme, the rotating connection of the base plate and the supporting body is adopted, so that the cutting head rotates for the second time, and the workpiece can be cut at the second angle.

The combination of the first and second rotations allows the cutting head to machine more complex cutting angles.

According to the technical scheme, the supporting body is characterized in that a first limiting through hole and a first limiting bolt are arranged on the side face of the supporting body, the first limiting bolt penetrates through the first limiting through hole and is in threaded connection with the driving base, a second limiting through hole and a second limiting bolt are arranged on the bottom face of the supporting body, and the second limiting bolt penetrates through the second limiting through hole and is in threaded connection with the bottom plate.

In this technical scheme, in order to control first angle and second angle in the course of working and keep unchangeable, through first spacing bolt and second spacing bolt with the angle fixed. The first limiting through hole and the second limiting through hole are arranged on the support body, so that the limiting effect is achieved, and the first angle and the second angle are prevented from changing; on the other hand, the first angle and the second angle are controlled within the preset range.

According to the further optimized technical scheme, the first limiting through holes and the second limiting through holes are in the shape of minor arcs, the number of the first limiting through holes and the number of the second limiting through holes are respectively at least 1, the first limiting through holes are annularly arranged, the first limiting through holes are arranged at intervals, the second limiting through holes are annularly arranged, and the second limiting through holes are arranged at intervals.

In the technical scheme, control structures of a first angle and a second angle are refined, wherein the first limiting through hole and the second limiting through hole are in shapes of minor arcs, and the number of the first limiting through hole and the number of the second limiting through hole are at least one. The central angles corresponding to the minor arcs of the first limiting through holes and the second limiting through holes are smaller, and the number of the first limiting through holes and the number of the second limiting through holes are larger, so that the first angle and the second angle of the cutting head are adjusted more accurately.

According to a further optimized technical scheme, a sliding rail is arranged on the working face, the bottom plate is arranged on the sliding rail in a sliding mode, and the bottom plate is further provided with a pushing structure used for pushing the bottom plate to slide on the sliding rail.

In the technical scheme, the moving parts of the cutting head and the clamp are thinned, the aim that the cutting head is close to and moves the clamp is achieved through the pushing structure, the operation is convenient, and accidental injury is avoided.

According to a further optimized technical scheme, the clamp comprises clamping components and moving components, the at least one clamping component is arranged on the moving components, the moving components are connected to the working surface in a sliding mode, and the moving path of the moving components is perpendicular to a connecting line between the two cutting heads.

In the technical scheme, the clamping parts are pushed to the working area of the cutting head through the moving parts, at least one clamping part is arranged on each moving part, and the preferred clamping parts are arranged in parallel, so that the plurality of workpieces are clamped at one time, the cutting head performs corner cutting on the passing workpieces one by one in the process of pushing the clamping parts through the pushing parts, and the efficiency is improved.

Further optimize technical scheme, the clamping part includes punch holder, lower plate and centre gripping drive, punch holder and lower plate subtend setting, centre gripping drive punch holder and lower plate move in opposite directions.

The invention also discloses a bidirectional corner cutting processing technology, which comprises the following steps:

s0: setting and adjusting the cutting head and the holder to initial positions

S1: preliminarily adjusting the distance between the two cutting heads according to the length of the workpiece;

s2: the deflected cutting angles of the two cutting heads are adjusted and fixed according to the machining requirements.

S3: fixing the workpiece in a fixture and positioning;

s4: adjusting the distance between the two cutting heads again to ensure that the cutting heads are in contact with the workpiece;

s5: the cutting tool bit cuts the workpiece.

In the technical scheme, the distance between the two cutting heads and the angle between the cutting heads and the workpiece are adjusted, so that multi-angle cutting is realized.

The further technical scheme comprises the following steps:

s31: setting a clamping drive, and pushing the clamping drive to fix the workpiece between the clamps;

s32: and a moving part is arranged and pushed to push the workpiece between the two cutting heads.

One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:

in the invention, the two movable cutting heads are adopted to process the workpiece, so that the processing efficiency is improved, repeated filling is not needed, the length exceeding the clamp can be uniformly distributed to the two ends of the clamp after the workpiece is clamped on the clamp, the workpiece bending caused by the acting force of the cutting heads on the workpiece is reduced when the cutting heads are processed, and the rejection rate can be effectively reduced; secondly, when clamping the work piece, two sides of anchor clamps can be moved to two cutting heads, is different from the adjacent anchor clamps of fixed cutting head when the clamping, has bigger operating space, and the convenience of clamping also can avoid the condition that the workman is accidentally injured by the cutting head when the clamping work piece.

Drawings

The invention is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a general schematic of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic view of the structure of the jig.

The cutting tool comprises a machine body 1, a clamp 2, a cutting head 3, a water storage tank 4, a clamping part 21, a moving part 22, a support body 31, a driving base 32, a motor 33, a polishing sheet 34, a polishing cover 35, a sliding rail 37 pushing structure 36, an upper clamping plate 211, a lower clamping plate 212, a first air cylinder 213, a positioning part 214, a supporting plate 221, a guide rail 222, a second air cylinder 223, a first limiting through hole 311, a second limiting through hole 312 and a bottom plate 313.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments, or examples, for implementing different aspects of the invention.

Referring to fig. 1 to 3, a bidirectional corner cutting machine comprises a machine body 1, a clamp 2, a cutting head 3 and a water storage tank 4, wherein the machine body 1 is provided with a working surface, the water storage tank 4 is arranged on the side surface of the machine body 1, the machine body 1 is provided with a flow guide channel, and the flow guide channel is used for being communicated with the water storage tank 4, so that cooling liquid flows into the water storage tank 4 through the flow guide channel in the corner cutting process.

Specifically, the clamp 2 is arranged on a working surface, the cutting head 3 is slidably arranged on the working surface, the cutting head 3 comprises two cutting heads which are respectively arranged on two sides of the clamp 2, and the cutting head 3 has an angle adjusting function to ensure that the cutting head 3 can adjust a cutting angle of a workpiece.

Specifically, as shown in fig. 1 and 2, a slide rail 36 is provided on the work surface, two slide rails 36 are provided in parallel, a support body 31 is provided on the slide rail 36, and the support body 31 is slidable on the slide rail 36. The supporting body 31 is provided with a driving base 32, the driving base 32 is rotatably connected with the supporting body 31, the driving base 32 is provided with a motor 33, and the motor 33 is in transmission connection with a polishing plate 34. The driving base 32 is rotatably connected to the supporting body 31 so that the driving base 32 can swing at a certain angle in the longitudinal direction. In order to limit and ensure that the angle is kept stable in the machining process, the rotating body is further provided with 1 first limiting through hole 311, the first limiting through holes 311 at least comprise a plurality of first limiting through holes 311 which are arranged in an annular array, each first limiting through hole 311 is in a minor arc shape, and the first limiting through holes 311 are arranged at intervals. A first limiting bolt (not shown in the figure) is further arranged in the first limiting through hole 311, and the first limiting bolt penetrates through the first limiting through hole 311 to be in threaded connection with the driving base 32, so that the relative angle between the driving base 32 and the supporting body 31 is kept consistent.

Preferably, in the present embodiment, the supporting body 31 is L-shaped, and the driving base 32 is disposed on a sidewall of the supporting body 31. When the driving base 32 rotates, the contact angle of the polishing sheet 34 with the workpiece in the cross-sectional direction, which is the first tangential angle, can be adjusted.

A grinding cup 35 is also provided above the grinding plate 34, and the grinding cup 35 functions to partially wrap the grinding plate 34 to ensure that sparks generated during grinding do not splash.

Furthermore, in order to adjust the contact angle, a first scale (not shown) is disposed on the sidewall of the supporting body 31, and the first scale is concentric with the first limiting through holes 311.

A bottom plate 313 is further disposed on the slide rail 36, the bottom plate 313 can slide on the slide rail 36, and a pushing structure 37 is disposed between the bottom plate 313 and the working surface to realize the sliding of the bottom plate 313 relative to the working surface. The supporting body 31 is disposed on the bottom plate 313, and in order to further enable the cutting head 3 to have a cutting range with more angles, the bottom plate 313 and the supporting body 31 are also rotationally connected, so that the supporting body 31 can rotate on the bottom plate 313. The bottom of the support body 31 is provided with second limiting through holes 312, the plurality of second limiting through holes 312 are also arranged in an array, the second limiting through holes 312 are also in a minor arc shape, the second limiting through holes 312 are arranged intermittently, second limiting bolts which are not shown in the drawing are arranged in the second limiting through holes 312, the second limiting bolts penetrate through the second limiting through holes 312 and are in threaded connection with the bottom plate 313, and the guaranteed relative angle between the bottom plate 313 and the support body 31 is consistent. A second scale is also arranged on the bottom surface of the supporting body 31, and the second scale is concentric with the plurality of second limiting through holes 312.

The rotational connection of the base plate 313 to the support body 31 ensures that the sanding sheet 34 makes contact with the workpiece at a longitudinal section at a second chamfer angle.

Under the work of the first corner cut angle and the second corner cut angle, the selection range of the corner cut of the workpiece is wider, and the corner cut formed by the workpiece is more diversified.

In the present embodiment, the pushing structure 37 of the cutting head 3 and the working surface is manually operated, and specifically includes a ball screw structure, a nut of the ball screw is fixed on the bottom plate 313, a screw of the ball screw is fixed on the working surface, and a hand wheel is disposed at one end of the screw. When the hand wheel is turned, the bottom plate 313 approaches or moves away from the workpiece under the action of the ball screw.

The aforementioned clamp 2 includes clamping members 21 and moving members 22, at least one clamping member 21 is provided on the moving member 22, and in the present embodiment, two clamping members 21 are provided. Wherein the moving member 22 comprises a support plate 221, said support plate 221 being provided with the clamping member 21, the moving member 22 further comprising a guide rail 222, the guide rail 222 being perpendicular to a line between the two cutting heads 3. The working surface is also provided with a second air cylinder 223 which pushes the support plate 221 to move along the guide rail 222, the movable end of the second air cylinder 223 is fixed on the support plate 221, and the fixed end of the second air cylinder 223 is fixed on the working surface.

The clamping component 21 comprises a lower clamping plate 212 and an upper clamping plate 211, a positioning member 214 for fixing the workpiece is further arranged on a surface of the lower clamping plate 212 facing the upper clamping plate 211, the positioning member 214 is provided with a groove for fixing the workpiece, the number of the positioning members 214 is at least two, and in the embodiment, the number of the positioning members 214 is three. The clamping component 21 further comprises a clamping drive, the clamping drive drives the upper clamping plate 211 and the lower clamping plate 212 to move towards each other, in this embodiment, the clamping drive adopts the first air cylinder 213, the telescopic end of the first air cylinder 213 penetrates through the upper clamping plate 211 and is fixed on the lower clamping plate 212, the upper clamping plate 211 is fixed on the telescopic rod of the first air cylinder 213, when the telescopic end of the first air cylinder 213 is shortened, the upper clamping plate 211 is driven to move towards the lower clamping plate 212, the clamping effect is achieved, and the positioning part 214 is matched to enable a workpiece to be fixed between the upper clamping plate 211 and the lower clamping plate 212.

In order to realize automatic control, the bidirectional corner cutting machine further comprises a PLC, and the PLC is in signal connection with the motor 33, the first air cylinder 213 and the second air cylinder 223 respectively.

In order to ensure that residues are splashed in the corner cutting process, protective fences (not shown in the figure) are arranged above the machine body 1 and are arranged above and at the side of the working surface in an enclosing manner.

The invention also provides a bidirectional corner cutting processing technology which adopts the bidirectional corner cutting machine. The method specifically comprises the following steps:

in a first step, a starting position of the cutting head 3 and the holder 2 is set and the cutting head 3 and the holder 2 are adjusted to the starting position, which includes a suggested position between two cutting heads 3, a suggested position of the holder 2 and the cutting heads 3, and a starting position between the upper clamping plate 211 and the lower clamping plate 212.

In a second step, the length of the workpiece is visually measured and the distance between the two cutting heads 3 is initially adjusted to facilitate placement of the workpiece between the cutting heads 3.

And a third part, which adjusts and fixes the deflected cutting angles of the two cutting heads 3 according to the machining requirements.

And fourthly, fixing the workpiece in the clamp 2 and positioning.

In this step, a clamping drive is additionally provided, and the clamping drive is used for approaching the upper clamping plate 211 and the lower clamping plate 212 to clamp the workpiece.

In addition to this, a moving member 22 is added, pushing the moving member 22, the moving member 22 pushing the workpiece to the working area between the two cutting heads 3.

Fifth, the distance between the two cutting heads 3 and the workpiece is adjusted again so that the abrasive sheet 34 is in contact with the workpiece at a predetermined angle.

And sixthly, additionally arranging a PLC (programmable logic controller), wherein the PLC is in signal connection with the cutting head 3 and the clamping driving and moving part 22 and controls the opening and closing of the PLC.

And seventhly, starting the cutting head 3 to cut the workpiece.

In an eighth step the moving member 22 is gradually pushed so that the groups of gripping members 21 on the moving member 22 essentially pass the working area of the cutting head 3.

Ninth, after the machining is finished, the cutting bit is firstly returned to the initial position, the moving member 22 is secondly returned to the initial position, and finally, the position between the upper clamping plate 211 and the lower clamping plate 212 is returned to the initial position.

By using the processing technology, the processing process is more convenient and faster, the processing error can be reduced, in the processing process, as long as a worker fixes a workpiece in the clamp 2 and then controls each part to work through the PLC, the processing precision is high, and no danger exists

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a two-way cornering machine which characterized in that: the method comprises the following steps:

the machine body (1), the machine body (1) is provided with a working surface;

the clamp (2) is arranged on the working surface and used for clamping a workpiece;

a cutting head (3), the cutting head (3) being slidably arranged on the working surface for cutting a workpiece;

the two sides of the clamp (2) are respectively provided with one cutting head (3), and the cutting heads (3) can be adjusted to the cutting angle of the workpiece.

2. The bi-directional chamfering machine according to claim 1, wherein: the cutting head (3) comprises a supporting body (31), a driving base (32) is rotatably connected to the side surface of the supporting body (31), a polishing sheet (34) for cutting is fixed on the driving base (32), and the supporting body (31) is slidably connected to the working surface.

3. The bi-directional chamfering machine according to claim 2, wherein: the cutting head (3) further comprises a base plate (313), the base plate (313) is connected to the working surface in a sliding mode, and the base plate (313) is connected to the bottom surface of the supporting body (31) in a rotating mode.

4. The bi-directional chamfering machine according to claim 3, wherein: the side face of the support body (31) is provided with a first limiting through hole (311) and a first limiting bolt, the first limiting bolt penetrates through the first limiting through hole (311) and is in threaded connection with the driving base (32), the bottom face of the support body (31) is provided with a second limiting through hole (312) and a second limiting bolt, and the second limiting bolt penetrates through the second limiting through hole (312) and is in threaded connection with the bottom plate (313).

5. The bi-directional chamfering machine according to claim 4, wherein: the first limiting through holes (311) and the second limiting through holes (312) are in the shape of minor arcs, the number of the first limiting through holes (311) and the number of the second limiting through holes (312) are respectively at least 1, the first limiting through holes (311) are annularly arranged, the first limiting through holes (311) are arranged at intervals, the second limiting through holes (312) are annularly arranged, and the second limiting through holes (312) are arranged at intervals.

6. The bi-directional chamfering machine according to claim 3, wherein: the working face is provided with a sliding rail (36), the bottom plate (313) is arranged on the sliding rail (36) in a sliding mode, and the bottom plate (313) is further provided with a pushing structure (37) used for pushing the bottom plate (313) to slide on the sliding rail (36).

7. The bi-directional chamfering machine according to claim 1, wherein: the clamp (2) comprises clamping components (21) and a moving component (22), at least one clamping component (21) is arranged on the moving component (22), the moving component (22) is connected to the working surface in a sliding mode, and the moving path of the moving component (22) is perpendicular to the line between the two cutting heads (3).

8. The bi-directional chamfering machine according to claim 7, wherein: the clamping part (21) comprises an upper clamping plate (211), a lower clamping plate (212) and a clamping drive, the upper clamping plate (211) and the lower clamping plate (212) are oppositely arranged, and the clamping drive drives the upper clamping plate (211) and the lower clamping plate (212) to move oppositely.

9. A two-way corner cutting process, which adopts the two-way corner cutting machine of any one of claims 1 to 8, and is characterized in that: the method comprises the following steps:

s0: setting the starting positions of the cutting head (3) and the clamp (2), and adjusting the cutting head (3) and the clamp (2) to the starting positions;

s1: preliminarily adjusting the distance between the two cutting heads (3) according to the length of the workpiece;

s2: adjusting the deflected cutting angles of the two cutting heads (3) according to the machining requirements and fixing;

s3: positioning and fixing the workpiece in the clamp (2);

s4: the distance between the two cutting heads (3) is adjusted again to ensure that the cutting heads (3) are in contact with the workpiece;

s5: the cutting head (3) is activated to cut the workpiece.

10. The bidirectional corner cut machining process according to claim 9, characterized in that: the method comprises the following steps:

s31: a clamping drive is arranged, and the clamping drive is pushed to fix the workpiece on the clamp (2);

s32: a moving member (22) is provided, and the moving member (22) is pushed to push the workpiece between the two cutting heads (3).