CN111570906A

CN111570906A - Aluminum bar shearing machine

Info

Publication number: CN111570906A
Application number: CN202010380290.2A
Authority: CN
Inventors: 孟亚平
Original assignee: Cometal Foshan Extrusion Technology Co ltd
Current assignee: Cometal Foshan Extrusion Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-08-25

Abstract

The invention discloses an aluminum bar shearing machine which comprises a shearing device, a sizing device, a double-shearing-platform device and a material pushing device. The shearing device is provided with a fixed base, a hot shearing oil cylinder and two hot shearing assemblies. The hot shear assembly comprises a shear seat, a clamping cylinder, a hot shear block and a clamping block, wherein the hot shear block is fixedly arranged on the shear seat, the clamping block is slidably arranged on the shear seat, and the clamping cylinder is arranged on the shear seat and connected with the clamping block. The sizing device is provided with a transfer mechanism and a blocking assembly, wherein the blocking assembly comprises an installation plate, a blocking plate and a rotating cylinder. The double-shearing table device comprises a fixed seat, a lifting cylinder and a pulley assembly. The material pushing device comprises a material discharging oil cylinder and a material returning oil cylinder. The aluminum bar shearing machine is simple in structure and reasonable in design, the efficiency of aluminum bar hot shearing can be greatly improved, and the quality of the aluminum bar hot shearing is effectively guaranteed. The invention can be applied to the field of aluminum machining.

Description

Aluminum bar shearing machine

Technical Field

The invention relates to the technical field of aluminum material processing, in particular to an aluminum bar shearing machine.

Background

In the traditional aluminum profile manufacturing process, a long aluminum bar needs to be sawed off by manual operation, a large amount of sawdust influences the yield and the production environment, a saw blade needs to be replaced periodically, the production cost and the operation risk are high, in addition, the length consistency of a short bar is poor, and certain influence is caused on the scheduling and the yield. Aiming at the problems, a hydraulic hot shearing machine is developed and developed on the market to shear the aluminum bar in a high-temperature state, and the problems of kerf loss and saw blade loss generated when the aluminum bar is sawn are solved. However, in the existing hot shearing machine in the market, the actions of all mechanisms are still unreasonable and imperfect, especially the shearing action of the aluminum bar is usually completed by a pair of fixed and hydraulically driven scissors, the aluminum bar is positioned and clamped, so that the fracture of the aluminum bar is large and uneven, bubbles are easy to appear on the extrusion surface, the quality is affected, and further improvement is needed.

Disclosure of Invention

The present invention is directed to an aluminum bar shearing machine, which solves one or more of the problems of the prior art and provides at least one of the advantages of the aluminum bar shearing machine.

The technical scheme adopted for solving the technical problems is as follows:

an aluminum bar shearing machine comprising: a shearing device and a sizing device;

the shearing device is provided with a fixed base, a hot shearing oil cylinder and two hot shearing assemblies;

the hot shear assembly comprises a shear seat, a clamping cylinder, a hot shear block and a clamping block, the hot shear block is fixedly arranged on the shear seat, the clamping block is slidably arranged on the shear seat, and the clamping cylinder is arranged on the shear seat and connected with the clamping block;

the hot shearing assemblies are respectively arranged at the front part and the rear part of the fixed base, the hot shearing assemblies are oppositely arranged, the hot shearing assemblies are slidably arranged on the fixed base, the hot shearing oil cylinder is fixedly arranged on the fixed base and connected with the hot shearing assemblies, and the hot shearing assemblies are driven by the hot shearing oil cylinder to slide in a staggered manner.

The invention has the beneficial effects that: the hot shearing blocks of the hot shearing assemblies arranged oppositely shear the aluminum bar, and the clamping blocks are driven by the clamping cylinders to clamp the aluminum bar around the shearing position and position the aluminum bar in the shearing process, so that the shearing action is stable and reliable, and the shearing quality of the aluminum bar is high.

As a further improvement of the above technical solution, the hot shear cylinder is disposed on the right side of the shearing device, the hot shear assembly is slidably mounted on the fixed base along the left-right direction, and the clamping block is slidably mounted on the shear base along the left-right direction; one hot cutting block of the hot cutting assembly is arranged at the left part, and the other hot cutting block of the hot cutting assembly is arranged at the right part. The aluminum bar shearing is usually carried out after the aluminum bar is heated to a certain temperature, and the hot shearing oil cylinder is arranged on the side surface, so that the influence on the normal work of the hot shearing oil cylinder due to the rising of hot air of the aluminum bar can be avoided; the hot shearing assembly is arranged along the left and right directions, so that the influence of the self weight of the assembly on the shearing action can be reduced.

As a further improvement of the above technical solution, the hot shearing block is provided with a shearing portion, the clamping block is provided with a clamping portion, the shearing portion and the clamping portion are oppositely disposed, and both the shearing portion and the clamping portion are in the shape of a semicircular groove. The aluminium bar that needs shearing process is cylindrical, and the shearing part and the clamping part of hot-shearing piece and clamp piece set the semicircular groove shape for hot-shearing piece can laminate the aluminium bar outside with pressing from both sides tight piece more, makes clamping action and shearing action all more reliable.

As a further improvement of the above technical solution, the shearing device further includes a sizing device, the sizing device is fixedly installed in front of the shearing device, the sizing device is provided with a transfer mechanism and a blocking component, the transfer mechanism is arranged along the front-back direction, the blocking component is installed on the transfer mechanism, and the transfer mechanism is fixedly installed on the fixed base. The sizing device moves the blocking assembly through the transfer mechanism, limits and determines the shearing position of the aluminum bar through the blocking assembly, and is convenient to control the shearing size.

As a further improvement of the technical scheme, the blocking assembly comprises an installation plate, a blocking plate and a rotating cylinder, the installation plate is installed on the transfer mechanism, the blocking plate is rotatably installed on the installation plate, the rotating cylinder is fixedly installed on the installation plate and connected with the blocking plate, and the blocking plate is provided with a blocking part. The blocking part of the blocking plate which overturns downwards limits the extension length of the aluminum bar so as to determine the shearing position of the aluminum bar, and after the positioning is completed, the blocking plate overturns upwards to avoid the aluminum bar for discharging or follow-up action.

As a further improvement of the above technical solution, the transfer mechanism includes a screw rod assembly, a linear slide rail and a servo motor, the screw rod assembly is connected to the servo motor and a blocking assembly, and the blocking assembly is slidably connected to the shearing device through the linear slide rail. The stopping assembly can stably slide along a fixed direction through the linear sliding rail, and the sliding position of the stopping assembly can be accurately controlled through the servo motor and the screw rod assembly.

As a further improvement of the above technical solution, the shearing device further comprises a double-shearing table device, the double-shearing table device is arranged behind the shearing device, the double-shearing table device is provided with a fixed seat, a lifting cylinder and a pulley assembly, the fixed seat is fixedly connected with the shearing device, the pulley assembly is slidably mounted on the fixed seat along a vertical direction, and the lifting cylinder is fixedly mounted on the fixed seat and connected with the pulley assembly. The aluminum bar is placed on the pulley assembly, and the pulley assembly is driven to slide up and down through the lifting cylinder, so that the aluminum bar placed on the pulley assembly can be lifted up and down for carrying, and the aluminum bar can be conveniently loaded with the aluminum bar or butted with a previous procedure.

As a further improvement of the technical scheme, the pulley assembly is provided with a plurality of pulley blocks arranged in rows, the pulley blocks are arranged in the front-back direction to form a conveying channel, and the middle of the section of the conveying channel is low, and the two sides of the section of the conveying channel are high. The friction force is reduced through the pulley block, the middle of the conveying channel is low, the two sides of the conveying channel are high, the conveying channel is matched with the shape of the aluminum bar, and when the aluminum bar is placed on the pulley block, the aluminum bar can be pushed to slide very easily.

As a further improvement of the above technical solution, the hot shearing device further comprises a material pushing device, wherein the material pushing device comprises a material returning oil cylinder and a material discharging oil cylinder, the material returning oil cylinder is arranged backwards on the front side of the shearing device and is fixedly connected with the shear seat of the hot shearing assembly, which is positioned forwards, and the material discharging oil cylinder is arranged forwards on the rear side of the shearing device and is fixedly connected with the shear seat of the hot shearing assembly, which is positioned backwards. Through the discharging oil cylinder and the material returning oil cylinder of the material pushing device, the aluminum bar and the aluminum bar excess material which are cut and completed can be separated from the hot shearing device along the front direction and the rear direction respectively by the discharging oil cylinder and the material returning oil cylinder, so that the discharging and the material returning of the aluminum bar are facilitated.

As a further improvement of the above technical solution, a front support frame is fixedly mounted on the front side of one of the hot shear assemblies located at the front, a rear support frame is fixedly mounted on the rear side of the other hot shear assembly, and the front support frame and the rear support frame are respectively and fixedly connected with their respective shear seats. If the length of the aluminum bar is longer, the front support frame and the rear support frame are arranged, so that the front section of the aluminum bar and the rear section of the aluminum bar can be conveniently clamped and fixed, and the feeding and discharging actions can be conveniently realized.

Drawings

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

FIG. 1 is a perspective view of an embodiment of an aluminum bar shearing machine according to the present invention;

FIG. 2 is an enlarged partial view of FIG. 1;

FIG. 3 is a side view of an embodiment of an aluminum bar shearing machine provided by the present invention;

FIG. 4 is a perspective view of an embodiment of the hot shear block and clamp block of the present invention.

100. The device comprises a shearing device, 110, a fixed base, 120, a hot shearing oil cylinder, 130, a hot shearing assembly, 131, a shearing base, 132, a clamping cylinder, 133, a hot shearing block, 134, a clamping block, 200, a sizing device, 210, a blocking assembly, 220, a transfer mechanism, 300, a double-shearing-table device, 310, a pulley assembly, 320, a fixed base, 330, a lifting cylinder, 400, a material pushing device, 410, a material returning oil cylinder, 420 and a material discharging oil cylinder.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

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, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, the aluminum bar shearing machine of the present invention makes the following embodiments:

an aluminum bar shearing machine comprising: the cutting device 100, the sizing device 200, the double-cutting-platform device 300 and the material pushing device 400;

the shearing device 100 is provided with a fixed base 110, a hot shearing oil cylinder 120 and two hot shearing assemblies 130;

the hot scissor assembly 130 includes a scissor base 131, a clamping cylinder 132, a hot scissor block 133, and a clamping block 134. The hot shearing block 133 is provided with a semicircular groove-shaped shearing portion, and the clamping block 134 is provided with a semicircular groove-shaped clamping portion. The hot scissors block 133 is fixedly installed at the middle of the scissors base 131, the clamping block 134 is slidably installed at the middle of the scissors base 131 in the left-right direction, and the shearing portion and the clamping portion are oppositely disposed in the left-right direction. The clamping cylinder 132 is mounted on the scissor base 131 and connected with the clamping block 134, and the clamping block 134 is driven by the clamping cylinder 132 to move close to or away from the hot scissor block 133.

The two hot scissors assemblies 130 are respectively slidably mounted at the middle front part and the middle rear part of the fixed base 110, and the two hot scissors assemblies 130 are oppositely arranged along the left and right directions: the hot shear block 133, the clamping block 134 and the clamping cylinder 132 of the hot shear assembly 130 positioned at the back are sequentially installed on the shear base 131 from left to right; the hot shears block 133, the clamping block 134 and the clamping cylinder 132 of the hot shears assembly 130 positioned at the front are sequentially installed on the shear base 131 from right to left. The hot shear cylinder 120 is fixedly installed on the fixed base 110 and connected with the hot shear assemblies 130, and the two hot shear assemblies 130 slide in a staggered manner under the driving of the hot shear cylinder 120.

A front support frame is fixedly mounted on the front side of one of the hot shear assemblies 130 positioned at the front, a rear support frame is fixedly mounted on the rear side of the other hot shear assembly 130, and the front support frame and the rear support frame are respectively and fixedly connected with the respective shear seats 131.

The sizing device 200 is disposed above the front support frame, and the sizing device 200 is provided with a transfer mechanism 220 disposed in the front-rear direction, and a stopper member 210 mounted on the transfer mechanism 220. Move and carry mechanism 220 including lead screw subassembly, linear slide rail and servo motor, it includes mounting panel, barrier plate, rotation jar to block subassembly 210. The barrier plate is provided with a blocking part, the barrier plate passes through the rotating cylinder to rotate and install in the mounting plate, the mounting plate passes through the linear slide rail with shearing mechanism 100 sliding connection, the mounting plate passes through the lead screw subassembly with servo motor connects.

The double-shearing-table device 300 is arranged behind the rear support frame, the double-shearing-table device 300 is provided with a fixed seat 320, a lifting cylinder 330 and a pulley assembly 310, the fixed seat 320 is fixedly connected with the shearing device 100, the pulley assembly 310 is slidably installed on the fixed seat 320 along the vertical direction, and the lifting cylinder 330 is fixedly installed on the fixed seat 320 and connected with the pulley assembly 310. The pulley assembly 310 is provided with two pulley blocks arranged in rows along the front-back direction, and the two pulley blocks enclose a V-shaped conveying channel.

The material pushing device 400 comprises a material returning oil cylinder 410 and a material discharging oil cylinder 420, the material returning oil cylinder 410 is arranged backwards on the front side of the shearing device 100 and is fixedly connected with the shear seat 131 of the hot shearing assembly 130, which is arranged forwards, and the material discharging oil cylinder 420 is arranged forwards on the rear side of the shearing device 100 and is fixedly connected with the shear seat 131 of the hot shearing assembly 130, which is arranged backwards.

Referring to fig. 1 to 4, when an aluminum bar shearing machine of the present invention is used for shearing an aluminum bar:

firstly, an aluminum bar to be processed is placed on the conveying channel of the double-shearing table device 300, and the lifting cylinder 330 of the double-shearing table device 300 acts to slide the pulley assembly 310 upwards until the height of the aluminum bar is flush with the hot shearing block 133 and the clamping block 134 of the shearing device 100. The clamping cylinders 132 of both of the thermal shear assemblies 130 are in a retracted state and the two clamping blocks 134 are in a position away from the respective opposing thermal shear blocks 133. The stop plate of the sizing device 200 is driven by the rotating cylinder to turn downwards, the stop part of the stop plate is over against the shearing device 100, and the stop plate slides along the front-back direction under the driving of the servo motor of the transfer mechanism 220, so that the distance between the stop part and the shearing device 100 can be adjusted according to the required shearing length.

The aluminum bar is then pushed to slide forward through the two hot shears assemblies 130 between the hot shear blocks 133 and the clamping blocks 134. After the front end of the aluminum bar is abutted against the blocking part of the sizing device 200, the clamping cylinders 132 of the two hot shear assemblies 130 extend out, and the clamping blocks 134 slide to be close to the corresponding hot shear blocks 133, so that the aluminum bar is clamped between the shearing parts of the hot shear blocks 133 and the clamping parts of the clamping blocks 134. After the hot shearing assembly 130 clamps the aluminum bar, the rotating cylinder can drive the blocking plate to turn upwards.

Then, the hot shearing cylinder 120 of the shearing apparatus 100 operates to drive the two hot shearing assemblies 130 to slide along the left and right directions in a staggered manner. Because two hot shear assemblies 130 set up along left and right sides direction in opposite directions, two hot shear assemblies 130 are crisscross the slip under the effect of hot shear cylinder 120, two hot shear block 133 is crisscross the slip in opposite directions in the left and right sides of aluminium bar respectively for the aluminium bar is cut off under the shear stress effect that two hot shear blocks 133 produced.

Finally, the two hot shearing assemblies 130 respectively clamping the front and rear sections of aluminum bars stop sliding, at this time, the material returning oil cylinder 410 is over against the aluminum bars clamped by the rear side hot shearing assembly 130, and the material discharging oil cylinder 420 is over against the aluminum bars clamped by the front side hot shearing assembly 130.

At this time, if the back-end aluminum bar does not need to be continuously sheared, then: the clamping cylinders 132 of both hot shears assemblies 130 are retracted, the two clamping blocks 134 slide away from the corresponding hot shears 133, and the two sections of aluminum bar are released. The discharging oil cylinder 420 extends out to push a section of aluminum bar at the front side forward along the front support frame, so that the front section of aluminum bar is completely separated from the range of the hot shearing assembly 130, and the front section of aluminum bar can be collected for storage or processing in the next procedure. The material returning oil cylinder 410 extends out to push a section of aluminum bar at the rear side backwards, so that the rear section of aluminum bar is completely separated from the range of the hot shearing assembly 130, and the rear section of aluminum bar is taken away.

In addition, if the back-end aluminum bar needs to be continuously sheared, the following steps are carried out: the clamping cylinder 132 of the hot shear assembly 130 positioned at the front retracts to loosen the front section of aluminum bar, the discharging oil cylinder 420 pushes out the front section of aluminum bar, and then the hot shear oil cylinder 120 resets to enable the two hot shear assemblies 130 to slide and reset in a staggered manner, when the rear section of aluminum bar is aligned with the front side of the hot shear assembly 130, the clamping cylinder 132 of the hot shear assembly 130 at the rear side retracts to push the loosened rear section of aluminum bar forward to perform the next shearing action.

In some embodiments, the two thermal scissor assemblies 130 are not slidably mounted to the fixed base 110 in the left-right direction.

In some embodiments, the hot shear cylinder 120 is located on the left side of the shearing device 100.

In some embodiments, there are two hot shear cylinders 120, and two hot shear assemblies 130 are linked to the two hot shear cylinders 120.

In some embodiments, the front support frame is not provided, and the cut aluminum bar is pushed out in the cutting device 100 and is collected by a receiving device of a subsequent process.

In some embodiments, the double shear apparatus 300 is not provided with the lifting cylinder 330, and the pulley assembly 310 is fixedly mounted on the fixing base 320.

In some embodiments, the pulley assembly 310 is provided with five pulley sets arranged in rows, the pulley sets are all arranged along the front-back direction, one pulley set is arranged in the middle, the other four pulley sets are arranged on two sides, the lower the height of the pulley set close to the middle is, the five pulley sets surround an open conveying channel, and the lower the middle of the section of the conveying channel is, the higher the two sides of the section of the conveying channel are.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An aluminum bar shearing machine is characterized in that: comprises a shearing device (100);

the shearing device (100) is provided with a fixed base (110), a hot shearing oil cylinder (120) and two hot shearing assemblies (130);

the hot shear assembly (130) comprises a shear seat (131), a clamping cylinder (132), a hot shear block (133) and a clamping block (134), the hot shear block (133) is fixedly installed on the shear seat (131), the clamping block (134) is installed on the shear seat (131) in a sliding mode, and the clamping cylinder (132) is installed on the shear seat (131) and connected with the clamping block (134);

two hot subassembly (130) of cutting are located respectively the front portion and the rear portion of unable adjustment base (110), two hot subassembly (130) of cutting sets up in opposite directions, two hot subassembly (130) slidable mounting in unable adjustment base (110), hot cut hydro-cylinder (120) fixed mounting in unable adjustment base (110) and with two hot subassembly (130) of cutting are connected, two hot subassembly (130) of cutting are in crisscross slip each other under the drive of hot hydro-cylinder (120) of cutting.

2. An aluminum bar shear according to claim 1, wherein: the hot shear oil cylinder (120) is arranged on the right side of the shearing device (100), the hot shear assembly (130) is installed on the fixed base (110) in a left-right sliding mode, and the clamping block (134) is installed on the shear base (131) in a left-right sliding mode; the hot shearing block (133) of one hot shearing assembly (130) is arranged at the left part, and the hot shearing block (133) of the other hot shearing assembly (130) is arranged at the right part.

3. An aluminum bar shear according to claim 1, wherein: the hot shearing block (133) is provided with a shearing part, the clamping block (134) is provided with a clamping part, the shearing part and the clamping part are arranged oppositely, and the shearing part and the clamping part are in the shape of semicircular grooves.

4. An aluminum bar shear according to claim 1, wherein: the shearing device is characterized by further comprising a sizing device (200), wherein the sizing device (200) is fixedly installed in front of the shearing device (100), the sizing device (200) is provided with a transferring mechanism (220) and a blocking component (210), the transferring mechanism (220) is arranged along the front-back direction, the blocking component (210) is installed on the transferring mechanism (220), and the transferring mechanism (220) is fixedly installed on the fixed base (110).

5. An aluminum bar shear according to claim 4, wherein: stop subassembly (210) including mounting panel, barrier plate, rotation jar, the mounting panel install in move and carry mechanism (220), the barrier plate rotate install in the mounting panel, rotate jar fixed mounting in the mounting panel and with the barrier plate is connected, the barrier plate is equipped with the part that blocks.

6. An aluminum bar shear according to claim 4, wherein: move and carry mechanism (220) including lead screw subassembly, linear slide rail and servo motor, the lead screw subassembly with servo motor and blocking subassembly (210) are connected, block subassembly (210) through linear slide rail with shearing mechanism (100) sliding connection.

7. An aluminum bar shear according to claim 1, wherein: still include double shear platform device (300), double shear platform device (300) are located the rear of shearing mechanism (100), double shear platform device (300) are equipped with fixing base (320), lift cylinder (330), loose pulley assembly (310), fixing base (320) with shearing mechanism (100) fixed connection, loose pulley assembly (310) along vertical direction slidable mounting in fixing base (320), lift cylinder (330) fixed mounting in fixing base (320) and with loose pulley assembly (310) are connected.

8. An aluminum bar shear according to claim 7, wherein: the pulley component (310) is provided with a plurality of pulley blocks arranged in rows, the pulley blocks are arranged in the front-back direction to form a conveying channel, and the middle of the section of the conveying channel is low, and the two sides of the section of the conveying channel are high.

9. An aluminum bar shear according to claim 1, wherein: still include blevile of push (400), blevile of push (400) are including material returned hydro-cylinder (410) and ejection of compact hydro-cylinder (420), material returned hydro-cylinder (410) locate backward the front side of shearing mechanism (100) and lean on preceding with the position scissors seat (131) fixed connection of hot scissors subassembly (130), ejection of compact hydro-cylinder (420) are located forward the rear side of shearing mechanism (100) and lean on the back with the position scissors seat (131) fixed connection of hot scissors subassembly (130).

10. An aluminum bar shear according to claim 9, wherein: the front side of one hot shear assembly (130) close to the front is fixedly provided with a front support frame, the rear side of the other hot shear assembly (130) is fixedly provided with a rear support frame, and the front support frame and the rear support frame are respectively and fixedly connected with the respective shear seats (131).