CN211539669U - Pneumatic type plate shearing machine - Google Patents

Abstract

The utility model discloses a pneumatic type shearing and cutting board machine, including shearing and cutting board machine, the workstation bottom is equipped with the pivot of a chassis and a horizontal setting, the both ends and the frame fixed connection of pivot, the chassis rotates with the pivot to be connected, be equipped with a drive chassis pivoted cylinder between chassis and the table surface, the table surface below is still vertical to be equipped with the ejector pin that two sets of drive switch blades go up and down, and the upper end of two sets of ejector pins is connected with both ends about the switch blade respectively, and the lower extreme of two sets of ejector pins all welds on the chassis. Compared with the prior art, the utility model discloses having optimized the pneumatic control mode of cylinder, having reduced the required power of drive, having lifted the operation when carrying out the plug-in strip both ends simultaneously through a cylinder, reduced the fault rate, designed the ejector pin that has buffer gear simultaneously, reduced the required load of cylinder, the life of extension cylinder.

Description

Pneumatic type plate shearing machine

Technical Field

The utility model relates to a shearing equipment especially relates to a trigger is cut to pneumatic type.

Background

The existing shearing equipment realizes the lifting of a knife switch through a hydraulic or pneumatic device above a workbench to shear plates. If power equipment sets up in the plug-in strip middle part, can cause the plug-in strip top equipment volume great, shelter from easily behind the plug-in strip middle part, and inconvenient shearing operation. If the left and right sides of the knife switch are arranged, two groups of power equipment are needed to operate simultaneously, otherwise, the left and right ends of the knife switch are easy to deflect when the knife switch is sheared, and the knife switch is placed in the middle of the knife switch as much as possible when plates are machined. Because the knife switch is heavy and is repeatedly started and stopped, the service life of the power equipment is rapidly shortened, and the failure rejection rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solve above-mentioned problem, set up a pneumatic means and open and stop control bottom the workstation, improve equipment's life greatly simultaneously, improve the pneumatic type board shearing and cutting machine of shearing effect.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a pneumatic type shears cutting board machine, includes shears cutting board machine, shears cutting board machine comprises table surface, frame, plug-in strip frame, table surface welds in the frame top, the plug-in strip erects and arranges both ends about the plug-in strip in, and welds on table surface, plug-in strip and plug-in strip frame sliding connection, the table bottom is equipped with a chassis and a pivot that transversely sets up, the both ends and the frame fixed connection of pivot, the chassis rotates with the pivot to be connected, be equipped with a drive chassis pivoted cylinder between chassis and the table surface, table surface below still vertically is equipped with the ejector pin that two sets of drive plug-in strips go up and down, and the upper end of two sets of ejector pins is connected with both ends about the plug-in strip respectively, and the lower extreme of two sets of ejector pins all welds on the.

Preferably, the two ends of the switch blade are provided with extension supports, the extension supports extend to the lower side of the working table, a rotating rod is transversely welded on the extension supports, and the top of the ejector rod is provided with a limiting clamping groove matched with the rotating rod.

Preferably, the ejector rod is provided with a buffer mechanism, the buffer mechanism is composed of a positioning block, a stop block and a buffer spring, the positioning block is welded on the rack, the positioning block is provided with a through hole convenient for the lifting of the ejector rod, and the buffer spring is sleeved on the ejector rod and is positioned between the positioning block and the stop block.

Preferably, the upper end of the air cylinder is fixedly connected with the working table surface, the bottom of the air cylinder is provided with a hinged seat, and the bottom of the air cylinder is rotatably connected with the underframe through the hinged seat.

Preferably, the cylinder is located the workstation the cylinder is located the chassis and is kept away from the one end of pivot.

Preferably, the air compressor for supplying air to the air cylinder and the foot switch for controlling the starting and stopping of the air cylinder are further included.

Preferably, a sliding groove matched with the knife switch is vertically formed in the knife switch frame, and the knife switch is connected with the knife switch frame in a sliding mode through the sliding groove.

Preferably, the working table is provided with a shearing opening matched with the knife switch.

Compared with the prior art, the utility model has the advantages of: the pneumatic control mode of the air cylinder is optimized, the power required by driving is reduced, the operation of lifting the two ends of the knife switch is simultaneously carried out through one air cylinder, the failure rate is reduced, the ejector rod with the buffer mechanism is designed, the load required by the air cylinder is reduced, and the service life of the air cylinder is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the underframe of the present invention;

fig. 3 is a schematic structural diagram of the push rod of the present invention.

In the figure: 1. a work table; 2. a frame; 3. a knife switch; 31. an extension bracket; 32. a rotating rod; 4. a brake knife rest; 5. a chassis; 6. a rotating shaft; 7. a cylinder; 71. an air compressor; 72. a foot switch; 8. a top rod; 81. a limiting clamping groove; 9. a stopper; 10. positioning blocks; 11. a buffer spring.

Detailed Description

The present invention will be further explained below.

Example 1: referring to fig. 1, 2 and 3, the pneumatic plate shearing and cutting machine comprises a plate shearing and cutting machine body, wherein the plate shearing and cutting machine body is composed of a working table top 1, a frame 2, a knife switch 3 and a knife switch frame 4, the working table top 1 is welded on the top of the frame 2, the knife switch frame 4 is arranged at the left end and the right end of the knife switch 3 and welded on the working table top 1, a sliding groove matched with the knife switch 3 is vertically formed in the knife switch frame 4, the knife switch 3 is connected with the knife switch frame 4 in a sliding mode through the sliding groove, a shearing opening matched with the knife switch 3 is formed in the working table top 1, and plate shearing is achieved when the knife switch 3 descends. The utility model discloses a vertical switch blade of workstation 1, including workstation bottom, workstation bottom is equipped with a chassis 5 and a pivot 6 that transversely sets up, the both ends and the 2 fixed connection of frame of pivot 6, chassis 5 rotates with pivot 6 to be connected, be equipped with a drive chassis 5 pivoted cylinder 7 between chassis 5 and the workstation 1, workstation 1 below is still vertical to be equipped with the ejector pin 8 that two sets of drive switch blades 3 go up and down, and the upper end of two sets of ejector pins 8 is connected with both ends about switch blades 3 respectively, and the lower extreme of two sets of ejector pins 8 all welds on chassis 5.

During operation, a plate is put in, the air cylinder 7 extends out to drive the underframe 5 to overturn downwards to drive the two groups of ejector rods 8 to descend simultaneously, the knife switch 3 is put down to cut the plate, then the air cylinder 7 contracts to drive the underframe 5 to overturn to drive the two groups of ejector rods 8 to simultaneously push up the two ends of the knife switch 3, the knife switch 3 is driven to lift and return, and the next plate is put in to cut.

The two ends of the switch blade 3 are provided with extension brackets 31, the extension brackets 31 extend to the lower part of the working table surface 1, the extension brackets 31 are convenient for connecting with the mandril 8, the extension part is mostly arranged on the existing switch blade 3 and is used as a support connecting part, a rotating rod 32 is transversely welded on the extension bracket 31, a limit slot 81 matched with the rotating rod 32 is arranged at the top of the ejector rod 8, because the underframe 5 adopts a rotating mode, the mandril 8 has slight angle deflection in the rising process, thereby additionally arranging a rotating rod 32 structure, the process of rising at ejector pin 8 has the partial deviation of certain angle, solves the hard contact problem between ejector pin 8 and the plug-in strip 3, improves ejector pin 8's life, and spacing draw-in groove 81 has certain degree of depth, ensures that bull stick 32 all in spacing draw-in groove 81 at the lift in-process, avoids taking off the card between ejector pin 8 and the extension support 31, and the degree of depth is about 5cm usually.

Because the plate is not very thick, the knife switch 3 is not required to be lifted very high, and the lifting stroke of the ejector rod 8 is not too large, the welding position of the lower end of the ejector rod 8 and the underframe 5 is not required to be separated, the rotating shaft 6 is far away, and the specific position is determined according to the field situation.

The buffer mechanism is arranged on the ejector rod 8 and consists of a positioning block 10, a stop block 9 and a buffer spring 11, the positioning block 10 is welded on the rack 2, a through hole convenient for the ejector rod 8 to lift is formed in the positioning block 10, and the buffer spring 11 is sleeved on the ejector rod 8 and is located between the positioning block 10 and the stop block 9. The positioning block 10 is fixed on the frame 2 and serves as a supporting part of the buffer spring 11 on the ejector rod 8, when the switch blade 3 is sheared and continuously descends, the buffer spring 11 plays a role of compression buffering, the downward impact force of the switch blade 3 is reduced, the load required by the air cylinder 7 is reduced, and the practical service life of the air cylinder 7 is effectively prolonged.

7 upper ends of the cylinders are fixedly connected with the working table surface 1, hinged seats are arranged at the bottoms of the cylinders 7, and the bottoms of the cylinders 7 are rotatably connected with the underframe 5 through the hinged seats. Due to the rotation of the bottom frame 5, the design of the hinged seat is adopted, the connection between the bottom of the air cylinder 7 and the bottom frame 5 is realized, and the air rod on the air cylinder 7 can stretch and retract.

The air cylinder 7 is positioned on the workbench, the air cylinder 7 is positioned at one end, far away from the rotating shaft 6, of the bottom frame 5, the ejector rod 8 with a small force arm is driven to lift through a large force arm by utilizing the lever principle, and the power of the air cylinder 7 can be reduced.

The plate lifting device is characterized by further comprising an air compressor 71 for supplying air to the air cylinder 7 and a pedal switch 72 for controlling the air cylinder 7 to be started and stopped, wherein the air compressor 71 supplies air to the air cylinder 7, and a worker can control the lifting of the air cylinder 7 to be started and stopped by feet, so that the worker can release two hands conveniently and pull and lift plates for conveying.

The pneumatic plate shearing and cutting machine provided by the utility model is described in detail, and the principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. The utility model provides a pneumatic type shears cutting board machine, includes shears cutting board machine, it comprises table surface, frame, plug-in strip frame to cut cutting board machine, table surface welds in the frame top, the plug-in strip erects and arranges both ends about the plug-in strip, and welds on table surface, plug-in strip and plug-in strip frame sliding connection, its characterized in that: the utility model discloses a revolving stage, including workstation, workstation bottom, frame, workstation bottom, the both ends and the frame fixed connection of pivot, the chassis rotates with the pivot to be connected, be equipped with a drive chassis pivoted cylinder between chassis and the table surface, the table surface below is still vertical to be equipped with the ejector pin that two sets of drive switch blades go up and down, and the upper end of two sets of ejector pins is connected with both ends about the switch blade respectively, and the lower extreme of two sets of ejector pins all welds on the chassis.

2. A pneumatic plate shearing machine as defined in claim 1 wherein: the utility model discloses a revolving bar, including plug-in strip, switch blade, extension support, a rotating bar, ejector pin top, a spacing draw-in groove with the rotating bar assorted is seted up to the plug-in strip both ends and is equipped with the extension support, the extension support extends to table surface below, the last horizontal welding of extension support has a rotating bar, the ejector pin top is seted up one and is changeed the.

3. A pneumatic plate shearing machine as defined in claim 2 wherein: the buffering mechanism is arranged on the ejector rod and consists of a positioning block, a stop block and a buffering spring, the positioning block is welded on the rack, a through hole convenient for the lifting of the ejector rod is formed in the positioning block, and the buffering spring is sleeved on the ejector rod and is positioned between the positioning block and the stop block.

4. A pneumatic plate shearing machine as defined in claim 1 wherein: the upper end of the air cylinder is fixedly connected with the working table surface, the bottom of the air cylinder is provided with a hinged seat, and the bottom of the air cylinder is rotatably connected with the bottom frame through the hinged seat.

5. A pneumatic plate shearing and cutting machine as claimed in claim 4, characterized in that: the cylinder is located the workstation the cylinder is located the chassis and keeps away from the one end of pivot.

6. A pneumatic plate shearing machine as defined in claim 5, wherein: the air compressor for supplying air to the air cylinder and the foot switch for controlling the air cylinder to start and stop are further included.

7. A pneumatic plate shearing machine as defined in claim 1 wherein: the switch knife rest is vertically provided with a sliding groove matched with the switch knife, and the switch knife is connected with the switch knife rest in a sliding mode through the sliding groove.

8. A pneumatic plate shearing machine as defined in claim 1 wherein: and the working table surface is provided with a shearing opening matched with the knife switch.

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