CN213260642U - Pneumatic floating type deburring punching cutter - Google Patents

Abstract

The utility model discloses an air pressure floating type deburring punching cutter, which relates to the field of production and processing technology and comprises a working platform, a clamp component, a module component and a floating cutter component; the clamp assembly and the module assembly are fixed on the working platform; the floating cutter component comprises a floating connecting plate, a floating push plate, an upper cover plate, a lower cover plate, an air pipe joint, an upper floating cutter and a lower floating cutter; the floating connecting plate is connected with the module assembly in a vertical sliding manner; the floating push plate is fixed on the floating connecting plate; the upper floating cutter and the lower floating cutter are nested at the front end of the floating push plate; the upper cover plate and the lower cover plate are respectively fixed on the upper side and the lower side of the floating push plate; the air pipe joint is arranged at the rear end of the floating push plate and is connected with an external air source; the utility model discloses float atmospheric pressure and die-cut sword intercombination, can carry out dual burring motion to the burr of workpiece surface, guarantee the reliability and the stability of burring, reduce labour cost, improve production efficiency.

Description

Pneumatic floating type deburring punching cutter

Technical Field

The utility model relates to a production and processing technology field, concretely relates to floating deburring die-cutter of atmospheric pressure.

Background

The deburring process in the machining field is to remove thorn-shaped objects or flash formed at the intersection of the surfaces of the parts;

in the process of injection molding or casting of parts, for the same type of workpiece, burrs generated on different individuals and the same position are different in form, and if the punching force and the punching position for deburring on a certain workpiece are consistent, incomplete deburring may be caused, or the surface of the workpiece is scratched by a punching knife, so that the deburring quality of the workpiece is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's the floating burr die-cutting sword that unhaires of atmospheric pressure, can carry out dual burring motion to workpiece surface's burr, guaranteed the reliability and the stability of burring, reduced labour cost, improved production efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a working platform, a clamp assembly, a module assembly and a floating cutter assembly; the clamp assembly and the module assembly are fixed on the working platform; the floating cutter component is arranged on the module component;

the floating cutter assembly comprises a floating connecting plate, a floating push plate, an upper cover plate, a lower cover plate, an air pipe joint, an upper floating cutter and a lower floating cutter; the floating connecting plate is connected with the module assembly in a vertical sliding manner; the floating push plate is fixed on the floating connecting plate; the upper floating cutter and the lower floating cutter are nested at the front end of the floating push plate; the upper cover plate and the lower cover plate are respectively fixed on the upper side and the lower side of the floating push plate, and the upper floating cutter and the lower floating cutter are fixed on the floating push plate; the upper floating cutter is arranged above the lower floating cutter; the air pipe joint is connected to the rear end of the floating push plate through threads; the air pipe joint is externally connected with an air source;

furthermore, the working platform is flat;

furthermore, the clamp assembly comprises a clamp bottom plate, a clamp positioning column and a clamp top column; the clamp bottom plate is flat and is fixed at one end of the working platform; the whole of the clamp positioning column and the clamp top column are both in a T shape; the fixture positioning columns and the fixture top columns are fixed on the fixture bottom plate; a positioning column thimble is arranged at the top of each clamp positioning column;

furthermore, the module assembly comprises a module bracket, a motor, a screw rod, a guide rail and a slide block; the module bracket is fixed at the other end of the working platform opposite to the clamp assembly; the motor is fixed at the upper end of the module bracket; the output end of the motor is in transmission connection with the screw rod; the guide rails are arranged on two sides of the screw rod; the slide block is sleeved on the guide rail and the screw rod and is in threaded connection with the screw rod;

furthermore, the floating connecting plate is L-shaped and is fixedly connected with the sliding block;

furthermore, an air pipe channel is arranged in the middle of the floating push plate; the air pipe channel is communicated with the air pipe joint; the front end of the floating push plate is provided with a plurality of floating cavities for nesting the upper floating cutter and the lower floating cutter; one of the floating cavities is communicated with the air pipe channel; guide grooves are formed in two sides of the front end of each floating cavity, so that the upper floating cutter and the lower floating cutter can slide back and forth along the guide grooves conveniently;

furthermore, the upper cover plate and the lower cover plate are both flat-shaped and are respectively fixed at the upper end and the lower end of the floating push plate through bolts; the upper surface of the lower cover plate is provided with an air groove which is communicated with the floating cavity on the floating push plate;

furthermore, the number and the structure of the upper floating cutters and the lower floating cutters are consistent, and the upper floating cutters and the lower floating cutters respectively comprise a sliding part, a front positioning part, a rear positioning part and a cutter part; the sliding part is arranged in the middle of the upper floating cutter and the lower floating cutter; the front positioning part and the rear positioning part are both convex blocks; the sliding part is arranged between the front positioning part and the rear positioning part; the cutter part is arranged at the front end of the front positioning part.

After adopting above-mentioned structure, compare with prior art, a floating deburring die-cutting knife of atmospheric pressure, have following advantage:

1. the pneumatic floating and the punching cutter are combined with each other, so that the double deburring movement can be performed on burrs on the surface of a workpiece, the reliability and the stability of deburring are ensured, the labor cost is reduced, and the production efficiency is improved;

2. after the upper floating cutter and the lower floating cutter are contacted with the workpiece, the upper floating cutter and the lower floating cutter are subjected to backward thrust, and move backward at the moment, but the upper floating cutter and the lower floating cutter are always contacted with the workpiece, so that the upper floating cutter and the lower floating cutter always carry out deburring treatment on the workpiece at a relatively stable cutting force, incomplete deburring or the fact that a punching cutter scratches the surface of the workpiece is effectively prevented, and flexible self-adjustment of deburring punching force is realized;

3. in the deburring process, the lower floating cutter removes burrs on the upper surface of the workpiece, the upper floating cutter is also contacted with the workpiece when moving downwards, the upper floating cutter can further clean the residual burrs on the workpiece, the burrs on the workpiece can be ensured to be cleaned completely, and double reliable deburring movement is achieved;

4. the pressure of the upper floating cutter and the lower floating cutter against the workpiece can be controlled by adjusting the air inlet pressure;

5. due to the existence of the floating cutter assembly, the upper floating cutter and the lower floating cutter can absorb the size deviation of the workpiece and the track error caused by the positioning error of the workpiece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the clamp assembly;

FIG. 3 is an exploded view of the floating cutter assembly;

FIG. 4 is a schematic view of the structure of a floating push plate;

fig. 5 is a schematic view of the structure of the upper floating cutter.

Description of reference numerals:

1. a workpiece; 2. a working platform; 3. a clamp assembly; 4. a module assembly; 5. a floating cutter assembly; 1-1, convex ribs; 1-2, positioning holes; 3-1, a clamp bottom plate; 3-2, positioning columns of the clamp; 3-3, clamping a top column; 3-21, positioning column thimble; 4-1, a sliding block; 4-2, module support; 4-3, guide rails; 4-4, a motor; 4-5, a screw rod; 5-1, floating connecting plates; 5-2, floating push plate; 5-3, an upper cover plate; 5-4, a lower cover plate; 5-5, a gas pipe joint; 5-6, floating the cutter; 5-7, a lower floating cutter; 5-21, trachea channel; 5-22, a floating cavity; 5-23, a guide groove; 5-41, air groove; 5-61, sliding part; 5-62, a front positioning part; 5-63, a rear positioning part; 5-64 and a cutter part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: the device comprises a workpiece 1, a working platform 2, a clamp assembly 3, a module assembly 4 and a floating cutter assembly 5;

the workpiece 1 is a deburring object to be processed; the type and material of the workpiece 1 are not limited; the workpiece 1 of the embodiment is integrally cylindrical, and is provided with a series of upward and downward convex ribs 1-1; positioning holes 1-2 are formed in the circumferential direction of the workpiece 1 and used for positioning by the clamp assembly 3;

the working platform 2 is flat and is used for fixedly mounting the clamp assembly 3 and the module assembly 4 in a certain assembling relationship;

the clamp assembly 3 is fixedly arranged on the working platform 2, and the clamp assembly 3 comprises a clamp bottom plate 3-1, a clamp positioning column 3-2 and a clamp top column 3-3; the clamp bottom plate 3-1 is flat and fixed at one end of the working platform 2; the fixture positioning columns 3-2 are T-shaped, the number of the fixture positioning columns is determined according to the type of the workpiece 1, in the specific embodiment, the number of the fixture positioning columns 3-2 is two, the fixture positioning columns are fixed on the fixture assembly 3, and positioning column ejector pins 3-21 are arranged at the tops of the fixture positioning columns 3-2 and used for positioning the positioning holes 1-2 of the workpiece 1; the clamp top columns 3-3 are also T-shaped, the number of the clamp top columns is determined according to the type of the workpiece 1, and the number of the clamp top columns 3-3 is two in the embodiment, and the clamp top columns are fixed on the clamp assembly 3 and used for positioning the bottom surface of the workpiece 1 so that the workpiece 1 cannot tip over;

the module assembly 4 is fixedly arranged on the working platform 2, and the module assembly 4 comprises a module bracket 4-2, a motor 4-4, a screw rod 4-5, a guide rail 4-3 and a sliding block 4-1; the module bracket 4-2 is fixed at the other end of the working platform 2; the motor 4-4 is fixed at the upper end of the module bracket 4-2 and provides power support for the module assembly 4; the output end of the motor 4-is in transmission connection with the screw rod 4-5, and the screw rod 4-5 is driven to rotate when the motor 4-4 rotates; the guide rails 4-3 are arranged on two sides of the screw rod 4-5, and the sliding blocks 4-1 are sleeved on the screw rod 4-5 and the guide rails 4-3 and are in threaded connection with the screw rod 4-5; the rotation of the screw rod 4-5 can drive the sliding block 4-1 to move up and down along the guide rail 4-3, so that the sliding block 4-1 can be driven to move up and down when the motor 4-4 rotates;

the floating cutter assembly 5 is fixed on the module assembly 4 and is connected with an external air source, and can move up and down under the driving of the module assembly 4 to remove burrs of the convex ribs 1-1 of the workpiece 1;

the floating cutter component 5 comprises a floating connecting plate 5-1, a floating push plate 5-2, an upper cover plate 5-3, a lower cover plate 5-4, an air pipe joint 5-5, an upper floating cutter 5-6 and a lower floating cutter 5-7; the floating connecting plate 5-1 is L-shaped and is fixedly connected with the sliding block 4-1, and the sliding block 4-1 can drive the floating connecting plate 5-1 to move up and down when moving up and down; the floating push plate 5-2 is fixed on the floating connecting plate 5-1; the middle part of the floating push plate 5-2 is provided with an air pipe channel 5-21 which is a through hole; the air pipe joint 5-5 is assembled at the rear end of the floating push plate 5-2 through threads and is communicated with the air pipe channel 5-21; the outside of the air pipe joint 5-5 is connected with an air pipe, the air pipe is connected with an external air source, and a pressure controller is arranged on the external air source; the gas coming from the gas pipe joint 5-5 can be discharged along the gas pipe channel 5-21; the front end of the floating push plate 5-2 is provided with a plurality of floating cavities 5-22 which are T-shaped and used for installing an upper floating cutter 5-6 and a lower floating cutter 5-7; one of the floating cavities 5-22 is communicated with the air pipe channel 5-21; two sides of the front end of each floating cavity 5-22 are respectively provided with a guide groove 5-23, so that the upper floating cutter 5-6 and the lower floating cutter 5-7 can slide back and forth along the guide grooves 5-23; the upper cover plate 5-3 and the lower cover plate 5-4 are both flat-shaped and are respectively fixed at the upper end and the lower end of the floating push plate 5-2 through bolts; the upper surface of the lower cover plate 5-4 is provided with an air groove 5-41; after the lower cover plate 5-4 and the floating push plate 5-2 are assembled, the air groove 5-41 is communicated with the floating cavity 5-22;

the number of the upper floating cutters 5-6 is not limited, and the upper floating cutters are embedded and assembled at the upper ends in the floating cavities 5-22; the upper floating cutter 5-6 comprises a sliding part 5-61, a front positioning part 5-62, a rear positioning part 5-63 and a cutter part 5-64; the sliding part 5-61 is arranged in the middle of the upper movable cutter 5-6, and the sliding part 5-61 can slide back and forth along the guide groove 5-23; the front positioning part 5-62 and the rear positioning part 5-63 are both a bump which can limit the upper movable cutter 5-6 when moving back and forth; the cutter part 5-64 is arranged at the front end of the upper floating cutter 5-6, has certain sharpness and can perform deburring movement on burrs around the convex rib 1-1 on the workpiece 1; the number of the lower floating cutters 5-7 is consistent with that of the upper floating cutters 5-6, the structural form is also consistent with that of the upper floating cutters 5-6, the lower floating cutters are embedded and assembled at the lower ends of the floating cavities 5-22, and the lower floating cutters and the upper floating cutters 5-6 form a double-cutter mode of one-over-one-down.

When the floating cutter assembly works, the air pipe joint 5-5 is connected with an external air source, so that the external air source can enter the floating cutter assembly 5 through the air pipe joint 5-5; placing the workpiece 1 on the clamp assembly 3, inserting the positioning hole 1-2 of the workpiece 1 into the positioning column thimble 3-21, and enabling the bottom surface of the workpiece 1 to abut against the clamp thimble 3-3 so as to completely position the workpiece 2 on the clamp assembly 3;

starting an external air source, allowing an air pipe joint 5-5 to admit air, transferring the air to a floating cavity 5-22 through an air pipe channel 5-21, conveying the air to an air groove 5-41 by the floating cavity 5-22, pushing an upper floating cutter 5-6 and a lower floating cutter 5-7 forwards along a sliding part 5-61 by the air pressure because other floating cavities 5-22 are connected with the air groove 5-41 and conveying the air to other floating cavities 5-22 by the air groove 5-41, and enabling a rear positioning part 5-63 to be in contact with a floating push plate 5-2 and the upper floating cutter 5-6 and the lower floating cutter 5-7 to be positioned on the outermost side;

then a motor 4-4 of the module component 4 moves to drive a screw rod 4-5 to rotate, so that a sliding block 4-1 moves downwards along a guide rail 4-3 to drive a floating cutter component 5 to move downwards, when the sliding block moves to the periphery of a workpiece 1, a gap between a cutter part and a cutter part of an upper floating cutter 5-6 avoids penetrating through a convex rib 1-1, when the sliding block moves downwards, the cutter part of a lower floating cutter 5-7 contacts the workpiece 1, when the sliding block moves downwards, the cutter part retracts inwards along with the increasing diameter of the workpiece 1, due to the air pressure of a floating cavity, the lower floating cutter 5-7 always has the tendency of moving forwards, so that the cutter part always contacts the workpiece 1, when the lower floating cutter 5-7 moves downwards again, the cutter part contacts with burrs on the workpiece 1, and then the cutter part removes the burrs on the upper surface of the workpiece 1, the workpiece 1 and the burrs are separated and fall off, when the upper floating cutter 5-6 and the lower floating cutter 5-7 continue to move downwards, the upper floating cutter 5-6 also contacts with the workpiece and then contacts with the burrs on the workpiece 1 according to the same floating principle, and at the moment, the upper floating cutter 5-6 can further clean the upper residual burrs of the workpiece 1, so that the burrs on the workpiece 1 can be cleaned completely.

After the deburring movement is finished, the motor 4-4 moves to drive the floating cutter assembly 1 to move upwards and return to the initial position, and then the workpiece 1 is taken out of the clamp assembly 3 to finish the whole deburring movement.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. An air pressure floating type deburring punching cutter is characterized by comprising a working platform, a clamp assembly, a module assembly and a floating cutter assembly; the clamp assembly and the module assembly are fixed on the working platform; the floating cutter component is arranged on the module component;

the floating cutter assembly comprises a floating connecting plate, a floating push plate, an upper cover plate, a lower cover plate, an air pipe joint, an upper floating cutter and a lower floating cutter; the floating connecting plate is connected with the module assembly in a vertical sliding manner; the floating push plate is fixed on the floating connecting plate; the upper floating cutter and the lower floating cutter are nested at the front end of the floating push plate; the upper cover plate and the lower cover plate are respectively fixed on the upper side and the lower side of the floating push plate, and the upper floating cutter and the lower floating cutter are fixed on the floating push plate; the upper floating cutter is arranged above the lower floating cutter; the air pipe joint is connected to the rear end of the floating push plate through threads; the air pipe joint is connected with an external air source.

2. The pneumatic floating type deburring punching cutter of claim 1 wherein said working platform is in the form of a flat plate.

3. The pneumatic floating type deburring punching cutter of claim 1 or 2 wherein said jig assembly comprises a jig base plate, a jig positioning post, a jig top post; the clamp bottom plate is flat and is fixed at one end of the working platform; the whole of the clamp positioning column and the clamp top column are both in a T shape; the fixture positioning columns and the fixture top columns are fixed on the fixture bottom plate; and a positioning column ejector pin is arranged at the top of each fixture positioning column.

4. The pneumatic floating type burr removing punching cutter of claim 1, wherein said module assembly comprises a module holder, a motor, a screw, a guide rail, a slider; the module bracket is fixed at the other end of the working platform opposite to the clamp assembly; the motor is fixed at the upper end of the module bracket; the output end of the motor is in transmission connection with the screw rod; the guide rails are arranged on two sides of the screw rod; the slide block is sleeved on the guide rail and the screw rod and is in threaded connection with the screw rod.

5. The pneumatic floating type deburring punching cutter of claim 1 wherein the floating connecting plate is L-shaped and is fixedly connected to the sliding block.

6. The pneumatic floating type burr removing punching cutter according to claim 1, wherein said floating push plate has an air duct passage at a middle portion thereof; the air pipe channel is communicated with the air pipe joint; the front end of the floating push plate is provided with a plurality of floating cavities for nesting the upper floating cutter and the lower floating cutter; one of the floating cavities is communicated with the air pipe channel; the guide grooves are formed in the two sides of the front end of each floating cavity, so that the upper floating cutter and the lower floating cutter can slide back and forth along the guide grooves conveniently.

7. The pneumatic floating type deburring punching cutter of claim 1 or 6, wherein said upper cover plate and lower cover plate are both flat plate-shaped and fixed to the upper and lower ends of the floating push plate respectively by bolts; the upper surface of the lower cover plate is provided with an air groove which is communicated with the floating cavity on the floating push plate.

8. The pneumatic floating type deburring punching cutter of claim 1 characterized in that the number and structure of the upper floating cutter and the lower floating cutter are consistent and comprise a sliding part, a front positioning part, a rear positioning part and a cutter part; the sliding part is arranged in the middle of the upper floating cutter and the lower floating cutter; the front positioning part and the rear positioning part are both convex blocks; the sliding part is arranged between the front positioning part and the rear positioning part; the cutter part is arranged at the front end of the front positioning part.

Images