CN111531216A

CN111531216A - Flange gasket cutting device

Info

Publication number: CN111531216A
Application number: CN202010331088.0A
Authority: CN
Inventors: 居宏波; 李家伟
Original assignee: Datang Suzhou Co Generation Power Co ltd
Current assignee: Datang Suzhou Co Generation Power Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-08-14

Abstract

The invention belongs to the field of cutting equipment, and particularly relates to a flange gasket cutting device which comprises a driving device, a cutting tool and a rotatable clamping device, wherein a flange gasket raw material is arranged on the clamping device and rotates along with the clamping device, the driving device is connected with the cutting tool and drives the cutting tool to reciprocate, when the flange gasket raw material is cut, the clamping device rotates to drive the flange gasket raw material to rotate so as to adjust the cutting position, and the driving device drives the cutting tool to reciprocate so as to cut the flange gasket raw material. The flange gasket cutting device has the advantages that the driving device is connected with the cutting tool to drive the cutting tool to do reciprocating motion, when the cutting tool is used for cutting, the reciprocating motion of the cutting tool is used for cutting the raw material of the flange gasket, the cutting force is large, the cutting is complete, the cutting is quicker, the clamping device rotates to drive the raw material of the flange gasket to rotate so as to adjust the cutting position, and the damage to the flange gasket caused by the twisting of the raw material of the flange gasket is avoided.

Description

Flange gasket cutting device

Technical Field

The invention belongs to the field of cutting equipment, and particularly relates to a flange gasket cutting device.

Background

In production places such as petroleum, chemical industry and the like, flange gaskets are needed to seal flange joints of process pipelines, mechanical valves and the like. The flange gasket is generally made of asbestos rubber. At present, because the machining cost of the flange gasket is high, the flange gasket is generally machined by manual shearing, or the flange gasket is obtained by placing an asbestos rubber plate on the flange surface and machining in a manual knocking mode. However, the manual processing of the flange gasket takes a long time, and the finished flange gasket is irregular in shape.

Patent CN201420361495.6 provides a cutter comprising: the cutter comprises a power source, a transmission rod, a balance rod, a blade and a bracket for supporting the power source and the transmission rod; one end of the transmission rod is connected with the balance rod; the power source is in transmission connection with one end, far away from the balance rod, of the transmission rod; the balance rod is located on two sides of the transmission rod and is provided with the blades, and the blades are used for cutting the gasket. The cutter provided by the invention drives the balancing rod to move through the power source, so that the blade makes circular motion by taking the power output shaft as a circle center. And placing the gasket to be sheared under the blade, starting the power source and driving the blade to move so as to cut the gasket. The power source drives the balance rod to move, so that the blade makes circular motion, flange gaskets with regular shapes are cut, material waste is not easy to cause, and the yield is improved. In this patent, the cutting mode of cutterbar is with power output shaft as the mode that the circular motion was done to the centre of a circle, and the cutting dynamics of this mode cutting knife is little, twists reverse easily, damages.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a flange gasket cutting device, wherein a driving device is connected with a cutting tool to drive the cutting tool to reciprocate, when the cutting tool is used for cutting flange gasket raw materials, the reciprocating motion of the cutting tool is utilized, the cutting force is large, the cutting is complete, the cutting is quicker, and a clamping device rotates to drive the flange gasket raw materials to rotate so as to adjust the cutting position, so that the flange gasket cannot be damaged due to the twisting of the flange gasket raw materials.

In order to solve the technical problems, the invention adopts the technical scheme that:

a flange gasket cutting device comprises a driving device, a cutting tool and a rotatable clamping device, wherein a flange gasket raw material is arranged on the clamping device and rotates along with the clamping device, the driving device is connected with the cutting tool and drives the cutting tool to do reciprocating motion,

during cutting, the clamping device rotates to drive the flange gasket raw materials to rotate so as to adjust the cutting position, and the driving device drives the cutting tool to reciprocate to cut the flange gasket raw materials.

The clamping device comprises a rotary table, the flange gasket raw material is arranged on the rotary table and rotates along with the rotary table, the driving device drives the cutting tool to do linear reciprocating motion, and the linear motion direction of the cutting tool and the rotation plane of the rotary table form a certain included angle;

preferably, the linear reciprocating direction of the cutting tool is perpendicular to the rotation plane of the turntable.

The linear motion direction of the cutting tool is perpendicular to the rotating plane of the rotary table, the cutting tool is provided with a cutting part used for cutting raw materials of the flange gasket, and the distance between the cutting part and the rotating shaft of the rotary table is adjustable.

The cutting tool comprises a tool rest and a cutting knife arranged on the tool rest, one end of the tool rest is connected with the driving device, and the other end of the tool rest is connected with the cutting knife;

the position of the cutting knife on the knife rest can be changed, so that the distance between the cutting end part of the cutting knife and the rotating shaft of the turntable can be adjusted,

and/or, the cutting device also comprises a workbench, the clamping device is arranged on the workbench, and the position of the clamping device on the workbench is variable, so that the distance between the cutting end part of the cutting knife and the rotating shaft of the turntable is adjustable.

The cutting knife is movably connected or detachably connected with the knife rest, so that the position of the cutting knife on the knife rest can be changed;

and/or the clamping device is movably connected or detachably connected with the workbench, so that the position of the clamping device on the workbench is variable;

preferably, the cutting knife is connected with the knife rest in a sliding or rotating way; and/or the clamping device is connected with the workbench in a sliding or rotating way.

The cutter frame/cutter is provided with a first guide part, the cutter/cutter frame is provided with a first sliding part matched with the first guide part, and the first sliding part slides in the first guide part to change the position of the cutter on the cutter frame so that the distance between the cutting part and the rotating shaft of the rotating disc is variable;

and/or a second guide part is arranged on the workbench/clamping device, a second sliding part matched with the second guide part is arranged on the clamping device/workbench, the second sliding part slides in the second guide part, and the position of the clamping device on the workbench is changed, so that the distance between the cutting part and the rotating shaft of the turntable is variable;

preferably, the first guide part and the second guide part are horizontal sliding grooves, and the first sliding part and the second sliding part are lugs matched with the horizontal sliding grooves.

The cutter frame is provided with at least two cutters, the distance between each cutter and the rotating shaft of the rotating disc is different, the cutters can move in a telescopic mode relative to the cutter frame, and different cutters extend out of the cutter frame to change the distance between the cutting part and the rotating shaft of the rotating disc;

preferably, be equipped with many vertical chutes on the knife rest, the setting of cutting knife one-to-one is in vertical chute, and the cutting knife of difference stretches out the knife rest in order to change the distance between the pivot of cutting part and carousel.

The driving device is arranged above the tool rest and comprises a driving motor and a rotating wheel arranged on an output shaft of the driving motor;

the rotating wheel is a cam, the upper end of the knife rest is contacted and pressed against the circumferential side wall of the cam,

or the rotating wheel is a circular wheel, an output shaft of the driving motor is eccentrically arranged with the rotating wheel, and the upper end of the tool rest is in contact and abutted with the circumferential side wall of the circular wheel.

The upper end of the tool rest is provided with a rotatable rotating part, and the circumferential side wall of the cam/circular wheel on the output shaft of the driving motor is rotatably connected with the rotating part so as to reduce the friction force between the cam/circular wheel and the tool rest;

preferably, the rotating part is a rotating wheel arranged on the tool rest, and the circumferential side wall of the cam/circular wheel on the output shaft of the driving motor is in rotating contact with the circumferential side wall of the rotating wheel;

or the rotating part is a bearing, the inner ring of the bearing is fixedly connected with the tool rest, and the outer ring of the bearing is in rotating contact with the circumferential side wall of the cam/circular wheel.

The cam is arranged on the rack, the drive motor is arranged on the rack, the reset structure is arranged between the rack and the knife rest, and the knife rest is reset after the convex part of the cam is separated from the knife rest;

preferably, the reset structure comprises limit bulges arranged on the mounting frame and the tool rest and an elastic reset piece arranged between the limit bulges;

more preferably, the elastic restoring member is a restoring spring.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. the cutting device is connected with the cutting tool through the driving device to drive the cutting tool to do reciprocating motion, when the cutting device is used for cutting the flange gasket raw material by utilizing the reciprocating motion of the cutting tool, the cutting force is large, the cutting is complete, the cutting is quicker, and the clamping device rotates to drive the flange gasket raw material to rotate so as to adjust the cutting position, so that the flange gasket cannot be damaged due to the fact that the flange gasket raw material is twisted;

2. the distance between the cutting part and the rotating shaft of the turntable is changed by changing the position of the cutting knife on the knife rest and/or the position of the clamping device on the workbench, so that flange gaskets with different sizes are cut more conveniently;

3. the upper end of the knife rest is provided with a rotatable rotating wheel, so that the friction force between the rotating wheel and the rotating wheel is reduced.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

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

FIG. 2 is a schematic view of the cutting state of the present invention;

FIG. 3 is a schematic structural diagram of the reset state of the present invention;

fig. 4 is a schematic top view of fig. 1 according to the present invention.

In the figure: 100. the device comprises a turntable 101, a cutting knife 102, a knife rest 103, a workbench 104, a lug 105 of a clamping device, a chute 106 of the workbench, a second fastener 107, a driving motor 108, a cam 109, a beam 110, a limiting opening 111, a connecting rod 112, a rotating wheel 113 and a return spring.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

Example one

As shown in fig. 1 to 4, a flange gasket cutting apparatus includes a driving device, a cutting tool, and a rotatable clamping device, a flange gasket raw material is disposed on the clamping device and rotates with the clamping device, the driving device is connected with the cutting tool and drives the cutting tool to reciprocate,

Be connected with cutting tool through drive arrangement, drive cutting tool and make reciprocating motion, during the cutting, utilize cutting tool's reciprocating motion cutting flange gasket raw and other materials, the cutting dynamics is big, cuts apart completely, and the cutting is quicker, and clamping device rotates and drives flange gasket raw and other materials and rotate in order to adjust the cutting position, can not cause the flange gasket to damage because the wrench movement of flange gasket raw and other materials moreover.

The driving device drives the cutting tool to do linear reciprocating motion or curvilinear reciprocating motion, however, when the cutting tool is contacted with the raw material of the blue gasket, a rotating plane of the clamping device and the moving direction of the cutting tool form a certain included angle.

In a further scheme, the clamping device comprises a turntable 100, the flange gasket raw material is arranged on the turntable 100 and rotates along with the turntable 100, the driving device drives the cutting tool to do linear reciprocating motion, and a certain included angle is formed between the motion direction of the cutting tool and the rotation plane of the turntable 100.

The driving device drives the cutting tool to do linear reciprocating motion, and the moving direction of the cutting tool and the rotating plane of the turntable 100 form a certain included angle, namely the moving direction of the cutting tool and the rotating plane of the raw material of the flange gasket form an included angle.

Further, the direction of movement of the cutting tool is perpendicular to the plane of rotation of the turntable 100.

Preferably, the turntable 100 is horizontally disposed, the cutting blade is disposed above the turntable 100, and the driving means is disposed above the cutting blade and drives the cutting blade to reciprocate in a vertical direction. The plane of rotation of the turntable 100 is a horizontal plane.

In a further aspect, the cutting tool has a cutting portion for cutting the raw material of the flange gasket, and a distance between the cutting portion and the rotating shaft of the turntable 100 is adjustable.

In a further scheme, the cutting tool comprises a tool rest 102 and a cutting knife 101 arranged on the tool rest 102, one end of the tool rest 102 is connected with a driving device, the other end of the tool rest 102 is connected with the cutting knife 101, and the end part of the cutting knife 101 is a cutting part.

Because the model of flange is different, the size of flange gasket is different, through the distance between the pivot of adjustment cutting part and carousel 100, changes the radius of flange gasket, and it is more convenient to use. The structure also allows for cutting irregularly shaped flange shims.

During the time period of one reciprocating motion of the cutting tool, the length of the arc-shaped section which is driven by the clamping device to rotate the flange gasket raw material is not greater than the length of the cutting part.

The cutter frame 102/cutter 101 is provided with a first guide part, the cutter 101/cutter frame 102 is provided with a first sliding part matched with the first guide part, the first sliding part slides in the first guide part, and the position of the cutter 101 on the cutter frame 102 is changed, so that the distance between the cutting part and the rotating shaft of the turntable 100 is variable.

When the cutting blade reaches a predetermined position, it is fixed by tightening a screw or bolt. For example, the first guide part is horizontally arranged, the first sliding part is provided with a fastening screw, and when the first sliding part reaches a preset position, the fastening screw is screwed to abut against the first guide part to limit the first sliding part to continuously slide.

The cutting knife 101 can be provided with a plurality of cutting knives, different cutting knives 101 are different from the rotating shaft distance of the rotating disc 100, the first guide part is vertically arranged, and the cutting knives with different distances are selected through the up-down sliding of the first sliding part. Two cutting knives can be simultaneously selected, so that the inner ring and the outer ring can be simultaneously cut.

The distance between the cutting knife 101 and the rotating shaft of the turntable 100 can be adjusted by adjusting the workbench. Of course, the worktable and the cutter can be adjusted at the same time, so that the distance between the cutter 101 and the rotating shaft of the turntable 100 can be adjusted.

The way of adjusting the table is as follows:

the cutting device further comprises a workbench 103, the clamping device is arranged on the workbench 103, and the position of the clamping device on the workbench 103 is variable, so that the distance between the cutting knife 101 and the rotating shaft of the turntable 100 is adjustable.

In a further aspect, the clamping device is movably or detachably connected to the table 103, such that the position of the clamping device on the table 103 is changeable.

Further, the clamping device is slidably or rotatably connected to the table 103.

In a further scheme, a second guide portion is arranged on the workbench 103/clamping device, a second sliding portion matched with the second guide portion is arranged on the clamping device/workbench 103, the second sliding portion slides in the second guide portion, the position of the clamping device on the workbench 103 is changed, and the distance between the cutting portion and the rotating shaft of the turntable 100 is variable.

For example, a sliding groove 105 is formed on the table 103, a protrusion 104 is formed on the clamping device, the protrusion 104 of the clamping device is inserted into the sliding groove 105 of the table and can slide in the sliding groove 105, and the position of the clamping device on the table 103 is changed, so that the distance between the cutting end of the cutting knife 101 and the rotating shaft of the turntable 100 is variable. The chute 105 is horizontally disposed.

Further, a second fastening member 106 is disposed on the table 103 and/or the clamping device, and when the distance between the cutting knife 101 and the rotating shaft of the turntable 100 reaches a target distance, the second fastening member 106 is assembled with the second sliding portion to fix the driving device on the table 103.

For example, the second fastening member 106 is a screw, and a screw hole is provided on the slide groove 105 of the table, and the screw is fitted into the screw hole and abuts against the projection 104 of the clamping device to fix the clamping device to the table 103.

Except that the radius of changing the cutting gasket is realized changing through changing the position of cutting knife on the knife rest/the position of change workstation, can also set up a plurality of cutting knives different with the pivot distance of carousel on the knife rest, the user selects the cutting knife of different positions to the radius of change flange gasket. The concrete structure is as follows:

the cutting device is characterized in that at least two cutting knives are arranged on the knife rest, the distance between each cutting knife and the rotating shaft of the rotating disc is different, the cutting knives can move in a telescopic mode relative to the knife rest, and different cutting knives extend out of the knife rest to change the distance between the cutting part and the rotating shaft of the rotating disc.

If, be equipped with many vertical spouts on the knife rest, the setting of cutting knife one-to-one is in vertical spout, and different cutting knives stretch out the knife rest in order to change the distance between the pivot of cutting tip and carousel.

In a further scheme, the driving device is arranged above the tool post 102, the driving device comprises a driving motor 107 and a rotating wheel arranged on an output shaft of the driving motor 107, the rotating wheel is a cam 108, and the upper end of the tool post 102 is in contact with and abutted against the circumferential edge of the cam 108.

In a further aspect, a rotatable rotating member is disposed at the upper end of the tool holder 102, and a circumferential side wall of the cam 108 is rotatably connected to a circumferential side wall of the rotating member, so that when the cam 108 rotates, friction is reduced.

For example, the rotating member is a rotating wheel provided on the tool rest, and a circumferential side wall of the cam/circular wheel on the output shaft of the driving motor is in rotational contact with a circumferential side wall of the rotating wheel.

Or, the rotating part is a bearing, the inner ring of the bearing is fixedly connected with the tool rest, and the outer ring is in rotating contact with the circumferential side wall of the cam/circular wheel.

In a further scheme, the cutting device further comprises a mounting frame, the driving motor 107 is arranged on the mounting frame, a resetting structure is arranged between the mounting frame and the tool rest 102, and the tool rest 102 is reset after the protruding part of the cam 108 is separated from the tool rest 102;

the reset structure comprises limit bulges arranged on the mounting frame and the knife rest and an elastic reset piece arranged between the limit bulges. Wherein, the elastic reset piece is preferably a reset spring.

For example, the mounting frame comprises a cross beam 109, a limiting opening 110 is formed in the cross beam 109, the tool rest 102 is provided with a connecting rod 111, the connecting rod 111 penetrates through the limiting opening 110 to be connected with the cutting knife 101, the upper end of the connecting rod 111 is in contact with the edge of the cam 108, a fiber bulge is formed in the connecting rod 111, and a return spring 113 is arranged between the limiting bulge and the cross beam 109.

The rotating wheel 112 is arranged at the upper end of the connecting rod 111, and the circumferential side wall of the rotating wheel 112 is contacted and abutted with the circumferential side wall of the cam 108.

As shown in fig. 2, the drive motor 107 rotates the cam 108, and the tool holder 102 moves downward when the projection of the cam 108 abuts against the upper end of the tool holder 102.

As the cam 108 continues to rotate, the return spring 113 returns the tool holder 102, as shown in FIG. 3.

The driving device may drive the cutting tool in a manner that the driving device includes a driving motor 107 and a rotating wheel disposed on an output shaft of the driving motor 107, the rotating wheel is eccentrically connected to the output shaft of the driving motor, and a circumferential side wall of the rotating wheel abuts against an upper end of the tool holder.

The turntable 100 may be manually driven or may be connected to a motor, and the motor is used to drive the turntable 100.

The cutting surface of the cutting blade 101 may be curved or flat.

Example two

As shown in fig. 1, the present embodiment is different from the first embodiment in that the distance between the cutting blade 101 and the rotation axis of the turntable 100 is adjusted by changing the position of the cutting blade 101 on the blade holder 102.

The cutting tool comprises a tool rest 102 and a cutting knife 101 arranged on the tool rest 102, one end of the tool rest 102 is connected with a driving device, the other end of the tool rest 102 is connected with the cutting knife 101, and the position of the cutting knife 101 on the tool rest 102 is variable, so that the distance between the cutting knife 101 and a rotating shaft of the turntable 100 is adjustable.

Further, the cutting blade 101 is movably connected or detachably connected with the blade holder 102, so that the position of the cutting blade 101 on the blade holder 102 can be changed.

Detachable connected mode, if, be equipped with joint portion on the cutting knife 101, be equipped with on the knife rest 102 with a plurality of block portions of joint portion assorted, a plurality of block portions are arranged along the horizontal direction in proper order at knife rest 102, joint portion and the block portion block of difference realize changing the position of cutting knife 101 on knife rest 102.

Further, the cutting blade 101 is slidably or rotatably connected to the blade holder 102, so that the position of the cutting blade 101 on the blade holder 102 can be changed.

This is explained below in the form of a sliding connection.

For example, a projection is provided on the cutting knife 101, a sliding slot matched with the projection is provided on the knife rest 102, the projection is inserted into the sliding slot and can slide in the sliding slot, and the position of the cutting knife 101 on the knife rest 102 is changed, so that the distance between the cutting part and the rotating shaft of the turntable 100 is variable.

Further, a first fastening member is arranged on the tool rest 102 and/or the cutting knife 101, and when the distance from the cutting knife 101 to the rotating shaft of the turntable 100 reaches a target distance, the first fastening member is assembled with the first sliding part to fix the cutting knife 101 on the tool rest 102.

The first fastener is a screw, a screw hole is formed in the sliding groove, the screw abuts against a convex block of the cutting knife 101 after being assembled with the screw hole, and the cutting knife 101 is fixed on the knife rest 102.

Of course, the same cutting device may adopt two structures of the first and second embodiments, and the distance between the cutting blade 101 and the rotating shaft of the turntable 100 is changed together.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A flange gasket cutting device is characterized by comprising a driving device, a cutting tool and a rotatable clamping device, wherein a flange gasket raw material is arranged on the clamping device and rotates along with the clamping device, the driving device is connected with the cutting tool and drives the cutting tool to do reciprocating motion,

2. A flange gasket cutting device according to claim 1, wherein the holding device comprises a turntable, the flange gasket raw material is arranged on the turntable and rotates along with the turntable, the driving device drives the cutting tool to do linear reciprocating motion, and the linear motion direction of the cutting tool has a certain included angle with the rotation plane of the turntable;

3. A flange gasket cutting apparatus according to claim 2, wherein the linear movement direction of the cutting tool is perpendicular to the rotation plane of the turntable, the cutting tool has a cutting portion for cutting the flange gasket raw material, and the distance between the cutting portion and the rotation axis of the turntable is adjustable.

4. A flange gasket cutting device according to claim 3, wherein the cutting tool comprises a tool rest and a cutting knife arranged on the tool rest, one end of the tool rest is connected with the driving device, and the other end of the tool rest is connected with the cutting knife;

5. A flange gasket cutting device according to claim 4, wherein the cutting knife is movably connected or detachably connected with the knife rest, so that the position of the cutting knife on the knife rest can be changed;

6. A flange gasket cutting device according to claim 5, characterized in that the cutter frame/cutter is provided with a first guiding portion, the cutter/cutter frame is provided with a first sliding portion matched with the first guiding portion, the first sliding portion slides in the first guiding portion, and the position of the cutter on the cutter frame is changed, so that the distance between the cutting portion and the rotating shaft of the rotating disc is variable;

7. A flange gasket cutting device according to claim 3, wherein at least two cutting knives are arranged on the knife rest, the distance between each cutting knife and the rotating shaft of the rotating disc is different, the cutting knives can move in a telescopic way relative to the knife rest, and the different cutting knives extend out of the knife rest to change the distance between the cutting part and the rotating shaft of the rotating disc;

8. A flange gasket cutting device according to any one of claims 1-7, wherein the driving device is arranged above the tool rest, the driving device comprises a driving motor and a rotating wheel arranged on an output shaft of the driving motor;

9. A flange gasket cutting device according to claim 8, wherein the upper end of the tool holder is provided with a rotatable rotating member, and the circumferential side wall of the cam/circular wheel on the output shaft of the driving motor is rotatably connected with the rotating member to reduce the friction between the cam/circular wheel and the tool holder;

10. The flange gasket cutting device according to claim 8 or 9, further comprising a mounting bracket, wherein the driving motor is arranged on the mounting bracket, a reset structure is arranged between the mounting bracket and the knife rest, and the knife rest is reset after the convex part of the cam is separated from the knife rest;

more preferably, the elastic restoring member is a restoring spring.