CN213255778U - Small-volume cutting equipment convenient to operate and adjust - Google Patents

Abstract

The utility model discloses a small-volume cutting device convenient for operation and adjustment, which comprises an unwinding mechanism, a flaw sorting mechanism and a cutting mechanism which are arranged in sequence, wherein the unwinding mechanism sends materials into the flaw sorting mechanism to be observed and cuts and rolls the materials into the cutting mechanism; the unwinding mechanism is provided with a driving roller for abutting against the coil stock, and a movable pressing assembly for abutting against the coil stock to the driving roller is further arranged on the side plate below the sliding support platform; the flaw sorting mechanism comprises a mounting support, a lamp box is arranged at the top of the mounting support, and the lamp box is arranged upwards; a cutter shaft and a cutter beam are arranged in the cutting mechanism, a bed knife is fixedly sleeved on the cutter shaft, a dividing cutter is arranged on the cutter beam, the bed knife and the dividing cutter are matched for cutting, an annular air bag is arranged in the bed knife, and the annular air bag fixes and releases the cutter shaft through inflation and deflation. The utility model discloses the operation degree of difficulty reduces, and the operation is more convenient, improves production efficiency greatly.

Description

Small-volume cutting equipment convenient to operate and adjust

Technical Field

The utility model relates to a cut technical field, concretely relates to little volume equipment of cutting convenient to operation and regulation.

Background

The splitting machine is mainly used for splitting a wide coiled material into various narrow coiled materials suitable for production requirements, and through continuous research, development and innovation, the machine is more stable in high-speed operation, flat in winding, simple and convenient to operate, safe, reliable, strong in durability and widely applied.

The cloth is at the cutting in-process, because there may be the flaw problem in the cloth surface, consequently unreeling and cut between need carry out the flaw letter sorting, current cutting machine mainly has following several problems:

1. the device for flaw sorting is provided with the light boxes, so that operators can conveniently observe the device in a visual mode, the light boxes are obliquely arranged, the positions of the light boxes are generally arranged on a support with the height being more than 1.5 m, and the height of the light boxes is higher than that of the operators, so that the height of the device is higher than that of the operators, the height of a roller way for winding cloth when the coil is unreeled is higher, the difficulty is higher when the operators stand on the ground to lay the cloth, and the light sources are obliquely arranged to cause great light pollution to the working environment;

2. the bottom cutter at the cutting position is sleeved on the cutter shaft, the cutter shaft drives the bottom cutter to rotate, four screw holes are uniformly distributed on the outer surface of the cutting bottom cutter, screws in the screw holes are rotated to abut against the cutter shaft, the bottom cutter is fixed after the four screws are locked, the four screws are screwed manually, and the four screws cannot be guaranteed to synchronously pass in and out in the operation process, so that the cutting bottom cutter and the cutter shaft are large in concentric difficulty, and the requirement on the experience of an operator is high.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a little volume cutting equipment convenient to operation and regulation, the operation degree of difficulty reduces, and it is more convenient to operate, improves production efficiency greatly.

In order to solve the technical problem, the utility model provides a small-volume cutting device convenient for operation and adjustment, which comprises an unreeling mechanism, a flaw sorting mechanism and a cutting mechanism which are arranged in sequence, wherein the unreeling mechanism sends materials into the flaw sorting mechanism to be observed and cut and rolled in the cutting mechanism;

the unwinding mechanism comprises two side plates which are arranged in parallel, the two side plates are both arranged on a bottom beam frame, a sliding support platform is arranged at the top of each side plate, a driving roller is arranged between the two side plates at one end of the sliding support platform, a power mechanism connected with one end of the driving roller is further arranged on the surface of one side plate, and a movable pressing assembly is further arranged on the side plate below the sliding support platform;

the flaw sorting mechanism comprises a mounting support, a light box is arranged at the top of the mounting support, the light box is arranged upwards, supporting guide rollers are arranged on the mounting supports on the two sides of the light box, and a walking platform is further arranged on the lower portion, located on one side of the splitting mechanism, of the mounting supports;

the cutting mechanism is internally provided with a cutter shaft and a cutter beam, a bed knife is fixedly sleeved on the cutter shaft, a slitting cutter is arranged on the cutter beam and is matched with the slitting cutter for slitting, the bed knife comprises a cutter body with an annular structure, groove parts for matching slitting are arranged on the surfaces of two sides of the cutter body, an annular groove is formed in the inner annular surface of the cutter body, annular limiting grooves are formed in two groove walls of the annular groove, a plurality of pressing pieces are further arranged at the annular groove opening of the annular groove and are sequentially arranged along the circumferential direction, the cross section of each pressing piece is concave, limiting wing edges are arranged on the outer surfaces of two side walls of each pressing piece, each limiting wing edge extends into the corresponding limiting groove, and the pressing pieces and the limiting wing edges are of an integrated structure and have deformation capacity; the novel cutter is characterized in that an annular air bag is further arranged in the annular groove, an inflation and deflation nozzle is arranged on the annular air bag, an operation hole is formed in the cutter body corresponding to the inflation and deflation nozzle, and the annular air bag is used for adjusting the pressure applied to the surface of the pressing sheet through inflation and deflation.

Further, the movable pressing assembly comprises a rodless cylinder, a limiting base is installed on a sliding portion of the rodless cylinder, the limiting base is connected with one end of a pressing arm through a rotating shaft, a torsion spring is arranged between the limiting base, the pressing arm and the rotating shaft, a limiting pressing arm rotating limiting portion is arranged on the limiting base, the limiting portion is arranged on the limiting base far away from one side of the driving roller, the torsion spring provides torsion of the pressing arm abutting the limiting portion, and at least two auxiliary wheels are arranged at the other end of the pressing arm.

Furthermore, a linear guide rail for assisting in moving is arranged between the side plate and the bottom beam frame, a power cylinder is vertically arranged on the surface of the side plate, an extension rod of the power cylinder is fixedly connected with the bottom beam frame, and the linear guide rail is arranged in parallel with the power cylinder.

Further, the installing support is located and is provided with the section bar roof beam on unwinding mechanism one side, the cover is equipped with the installation cover on the section bar roof beam, the installation cover is fixed with first cylinder on the surface, the cover is equipped with first switching cover on the first cylinder, first switching cover and second switching cover fixed connection, first switching cover is 90 settings and the surface of laminating with the second switching cover and sets up to the plane, the second switching ways is established on the second cylinder, be provided with the detection sensor on the second cylinder, be provided with the first lock nut that is used for fixed first switching cover and first cylinder relative position on the first switching cover, be provided with the second lock nut that is used for fixed second switching cover and second cylinder relative position on the second switching cover.

Further, the walking platform comprises a bottom beam frame and a bending plate arranged on the surface of the bottom beam frame, the bottom beam frame and the mounting support are of an integrated structure, and the bending plate is provided with a front blocking part and a rear blocking part.

Furthermore, the bottom surface of the pressing piece is of an arc-shaped structure, and the bottom surface of the pressing piece and the inner annular surface of the cutter body are arranged concentrically.

Furthermore, a partition convex part is arranged in the annular limiting groove between every two adjacent pressing pieces.

Furthermore, the pressing pieces and the limiting wing edges are made of elastic materials.

The utility model has the advantages that:

1. the lamp box is arranged upwards, the irradiation of the light source is also upwards instead of directly irradiating eyes of the detection personnel, so that the damage is greatly reduced, the interference of the upward irradiation to the environment is also greatly reduced, and the use safety is greatly improved on the premise of effectively ensuring the flaw detection; after the lamp house sets up, the detection personnel need to lower the head a little just can detect, consequently highly set up can not be too high to restricted the height of installing support greatly, reached the purpose that reduces overall structure volume, thereby laying also in the low level after the coil stock ejection of compact, easy operation is laborsaving, improves the availability factor greatly.

2. When the slitting bed knife needs to be fixed and disassembled, only the inflation and deflation nozzles need to be inflated and deflated, the annular air bags are used for controlling the cohesion force of the pressing pieces and the knife shaft, the slitting bed knife and the knife shaft are fixed and separated, and the operation is simple and convenient; when the annular air bag is inflated, the pressure can be exerted to the axis in an all-around synchronous mode, the pressure in each direction is equal, a good concentric effect can be guaranteed, and the operation is not difficult.

Drawings

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

fig. 2 is a schematic view of the unwinding mechanism of the present invention;

FIG. 3 is a schematic structural view of a part of the limit base of the present invention;

fig. 4 is a schematic view of the pressing arm of the present invention during avoidance;

FIG. 5 is a schematic view of the flaw sorting mechanism of the present invention;

FIG. 6 is a schematic view of the detection portion of the present invention;

fig. 7 is a schematic view of the cooperation of the bed knife and the slitting knife of the present invention;

fig. 8 is a schematic view of the bed knife of the present invention;

fig. 9 is a schematic view of the annular air bag and the compressing plate of the present invention;

fig. 10 is a schematic cross-sectional structure of the bed knife of the present invention.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, an embodiment of a small-volume cutting device convenient to operate and adjust of the present invention includes an unwinding mechanism 1, a defect sorting mechanism 2 and a cutting mechanism 3, which are sequentially arranged, wherein the unwinding mechanism discharges a whole roll of cloth, the cloth is observed whether a defect exists in the defect sorting mechanism, and then the cloth enters the cutting mechanism to be cut and respectively rolled;

when unreeling, unreeling by surface abutting is adopted, which is convenient for placing coil materials, wherein, as shown in figures 2 to 4, two side plates 11 which are arranged in parallel are arranged on a bottom beam frame 12, the top parts of the side plates are provided with a sliding support platform 13, a driving roller 14 is arranged between the two side plates at one end of the sliding support platform, the surface of one side plate is also provided with a power mechanism 15 connected with one end of the driving roller, the side plate below the sliding support platform is also provided with a rodless cylinder 16, the sliding part of the rodless cylinder is provided with a limit base 17, the limit base is connected with one end of a pressing arm 18 through a rotating shaft 19, a torsion spring is arranged between the limit base, the pressing arm and the rotating shaft, the limit base is provided with a limit part 110 which limits the rotation of the pressing arm, the limit part is arranged on the limit base far away from one, at least two auxiliary wheels 111 are arranged at the other end of the pressing arm, and the limiting bases on the two side plates are symmetrically arranged.

During the use, the loading has the driven voller of coil stock to hoist to two curb plates on, the both ends of driven voller are set up respectively on two slip supporting platforms from the curb plate top, act by rodless cylinder afterwards, drive spacing base and move towards the drive roll direction, the last pressing arm of spacing base takes place to interfere and can push the driven voller to the drive roll with the driven voller tip, thereby make coil stock surface and drive roll surface butt on the driven voller together, rodless cylinder keeps the action all the time, its effort can guarantee that the coil stock compresses tightly the butt with the drive roll all the time, the drive roll passes through power unit and drives the rotation, under the effect of the hold-down force, the coil stock is driven to rotate and carries out the blowing.

When misoperation, spacing base does not reset and the driven voller is put when keeping away from one side of drive roll, direct control rodless cylinder action of resetting, the arm back that compresses tightly (the position that is located spacing portion one side) takes place to bump with the driven voller and touches, because the arm that compresses tightly belongs to the hub connection and is located drive roll one side and does not block, consequently the arm that compresses tightly can rotate along the pivot and realize dodging, during the rotation, the arm that compresses tightly can exert torsional force to the torsional spring, when spacing base removes to other one side, the driven voller disappears to blocking of compressing tightly the arm, the torsional force that the torsional spring was collected in drives compressing tightly the arm automatic re-setting, finally compress tightly the arm and be twisted and spacing portion support by spacing, rodless cylinder action afterwards, it can to drive compressing arm towards.

Because the hold-down arm can dodge, consequently putting of driven shaft does not necessarily need hoist from top to bottom and put in place, can also follow lateral shifting to sliding platform on, the lateral lifting height also can reduce, and does not have a relation with the hold-down arm bumps yet, and the operation degree of difficulty greatly reduced effectively avoids colliding the problem that fixed structure caused the damage.

Specifically, be provided with two axletrees 118 on the foretell spacing base, the pressure arm is connected with two axletrees through the pivot, and two axletrees can be better fix a position the pivot, and when removing and effort were applyed, the structure was more stable. Still be provided with sliding guide 119 between spacing base and curb plate, improve the mobility stability.

In order to avoid interference between the pressing block and the coil stock, the pressing block needs to be arranged close to the side plate, and the rodless cylinder has a certain thickness, so that the surface of the side plate corresponding to the rodless cylinder is provided with the embedded opening 120, the rodless cylinder is arranged in the embedded opening, the sliding block part of the rodless cylinder is positioned on one side of the inner surface of the embedded opening, and the part of the rodless cylinder, which protrudes out of the surface of the side plate, is greatly reduced, thereby achieving the effect of effective and rapid installation; and a reinforcing plate is arranged on the outer surface of the embedded opening, so that the strength of the side plate pair is ensured.

The unreeled cloth enters a flaw sorting mechanism for flaw detection, and as shown in fig. 5 and 6, the flaw sorting mechanism comprises a mounting bracket 21, a light box 22 is arranged at the top of the mounting bracket, the light box is arranged upwards, supporting guide rollers 23 are arranged on the mounting brackets at two sides of the light box, and a walking platform 24 is further arranged at the lower part of one side of the slitting mechanism of the mounting bracket; support the guide roll and guide the cloth through lamp house surface, and the tensioning, make the cloth can keep the state of tightening, specifically can adjust the swing position of tension adjusting roller for adopting swing arm mechanism, thereby realize that the cloth is not lax, the light of cooperation lamp house shines under the state of tightening, make the cloth present the translucent state, when the cloth surface is qualified, the form is all unanimous, and when unqualified, can be clear distinguish flaw point and the inconsistent scheduling problem of colour, the lamp house is owing to set up, the light direction is also up, consequently the lamp house that sets up than the slope, light to peripheral scattering obtains effective reduction, detector stands when the side is observed for a long time, the injury that receives also can greatly reduced, and other operating personnel that pass through on the equipment side have also greatly reduced light interference. Due to the upward arranged lamp box form, when the position of the lamp box is too high, a detector cannot effectively observe, so that the height of the lamp box is greatly limited and is not too high, and the height is at least lower than 20-40cm compared with a structure which is obliquely arranged, so that the height of the mounting bracket is greatly reduced, namely the height of the mounting bracket is greatly reduced through the arrangement of the lamp box, when the coil material is unreeled and laid, the operation height is reduced, the operation convenience is improved, and the operation efficiency is improved.

In order to ensure the stability of unwinding of the unwinding mechanism, a section bar beam 215 is further arranged on one side of the unwinding mechanism on the mounting support, a mounting sleeve 216 is sleeved on the section bar beam, a first cylinder 217 is fixed on the surface of the mounting sleeve, a first adapter sleeve 218 is sleeved on the first cylinder, the first adapter sleeve is fixedly connected with a second adapter sleeve 219, the surface of the first adapter sleeve and the surface of the second adapter sleeve which are 90 degrees and are attached are arranged to be a plane, the second adapter sleeve is fixedly attached to the second cylinder 2191, a detection sensor 220 is arranged on the second cylinder, a first locking nut (not shown in the figure) for fixing the relative position of the first adapter sleeve and the first cylinder is arranged on the first adapter sleeve, and a second locking nut 221 for fixing the relative position of the second adapter sleeve and the second cylinder is arranged on the second adapter sleeve. Whether the position that the detection sensor is used for detecting behind the coil stock ejection of compact has the off normal, lack the condition such as material, the installation cover can slide along the section bar roof beam, X axle direction removes promptly, first switching cover can slide on first cylinder, first switching cover is perpendicular on the installation cover surface, be perpendicular with the section bar roof beam promptly, remove for Y axle direction, the second switching cover is 90 settings with first switching cover, the second cylinder removes in the second switching cover, Z axle direction removes promptly, therefore the detection sensor who sets up on the second cylinder can be followed X, Y and the three direction of Z axle removes, the position is adjusted wantonly, can adapt to not unidimensional coil stock and detect the use, therefore the high applicability, and the operation is simple and reliable.

The qualified cloth is rolled after being cut by the cutting mechanism to obtain a finished product, wherein, referring to fig. 7 to fig. 10, the width size of the finished product is determined by the gap between adjacent cutting parts 4, the cutting parts are a bed knife 5 and a slitting knife 6, the bed knife is sleeved on a knife shaft 310, the slitting knife is arranged on a knife beam 7 through a track, the bed knife and the slitting knife are matched for cutting, when the widths with different sizes are needed, the position of the cutting part needs to be adjusted, the cutting knife is convenient and quick to adjust, and the bed knife then needs to set up with the arbor is concentric, just so can guarantee the rotation effect of cutting, and is concrete, and the bed knife includes the cutter body 31 of loop configuration, all is provided with the slot part 32 that the cooperation was cut on the surface of the both sides of cutter body, and the interior anchor circle diameter of cutter body is greater than the diameter of arbor slightly, guarantees that the cutter body can embolia, but does not have great clearance surplus very much. An annular groove 33 is formed in the inner annular surface of the cutter body, annular limiting grooves 34 are formed in two groove walls of the annular groove, a plurality of pressing pieces 35 are further arranged at the annular groove opening of the annular groove and are sequentially arranged in the circumferential direction, the cross sections of the pressing pieces are concave, limiting wing edges 36 are arranged on the outer surfaces of two side walls of each pressing piece, the limiting wing edges extend into the corresponding limiting grooves, and the pressing pieces and the limiting wing edges are of an integral structure and have deformation capacity; still be provided with annular gasbag 37 in the annular groove, be provided with on the annular gasbag and fill air cock 38, be provided with operation hole 39 on the cutter body that fills air cock corresponding, fill the air cock and stretch into the downthehole setting of operation, directly operate in the operation hole during filling and deflating, convenient reliable annular gasbag is through filling the gassing and adjusting and exert pressure to the compact heap surface.

The utility model changes the fixing mode of the prior bed knife, changes the locking mode of four screws into the air bag type inflatable fixing effect, when in use, a plurality of bed knives are sleeved on the cutter shaft 310 in sequence, the concentricity of the cutter body and the cutter shaft is higher, then each bed knife is fixed in position, when in fixation, the position of the bed knife is determined by the aid of an air source, then the inflation and deflation nozzle is inflated directly, the annular air bag is inflated uniformly, the bottom and the groove wall of the annular groove can not be pushed in the process of inflation, therefore, the inflated annular air bag can extrude the movable pressing sheet to move towards the cutter shaft, the movable pressing sheet is contacted with the groove wall of the annular groove at one side of the circle center by the limit wing edge in the moving process, then the pressing sheet is contacted with the surface of the cutter shaft, when the pressing sheet is contacted with the surface of the cutter shaft, the pressing sheet also tightens the tool body on the cutter shaft, the fixing effect of the pressing sheet is improved by the continuous inflation and extrusion, therefore, when the cutter shaft rotates, the bed knife can synchronously act, and the stress of each part of the annular air bag in the expansion process is uniform, so that the effect of integrally and uniformly applying pressure can be realized by one-time inflation, and the concentricity of the bed knife and the cutter shaft is effectively ensured. And the operation is completed by one-time inflation, so that labor and time are saved, stronger professional experience is not needed, and the use difficulty is reduced.

When the adjustable bed knife needs to be moved, only the inflation and deflation nozzles need to be deflated, when the tensioning force of the annular air bag cannot enable the pressing sheet to be tightly pressed on the knife shaft, the knife body can axially move on the knife shaft, after the required position is adjusted, the operation of inflating is repeated again, and the operation is stable, reliable and efficient. The adjustment of the slitting knife is very simple, only the transverse movement is needed, and the slitting knife is locked after being moved in place and matched with the bed knife.

Specifically, the bottom surface of compressing tightly the piece is the arc structure, and the bottom surface and the interior anchor ring of cutter body with the compressing tightly piece set up with one heart, when lieing in the arbor laminating, can laminate completely, guarantee fixed effect. The lateral wall top of compressing tightly the piece is arc limit structure, and compressing tightly the piece and forms through bending with spacing wing limit, and wherein the radian can be rolled after bending and form, has the advantage that preparation cost is low, efficient, the uniformity is good than welding forming.

And compressing tightly piece and spacing wing limit are the elasticity material, and deformability is strong, and it is effectual to reset, improves life. Still be provided with in the annular spacing inslot between two adjacent pressing blades and cut off the convex part to all independently separate every pressing blade, pressure is even when pressing from both sides tight arbor, and effectively reduces eccentric rotation problem when rotatory, can improve arbor life.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (8)

1. A small-volume cutting device convenient to operate and adjust is characterized by comprising an unwinding mechanism, a flaw sorting mechanism and a cutting mechanism which are sequentially arranged, wherein the unwinding mechanism conveys materials into the flaw sorting mechanism to be observed and cuts and winds the materials into the cutting mechanism;

the unwinding mechanism comprises two side plates which are arranged in parallel, the two side plates are both arranged on a bottom beam frame, a sliding support platform is arranged at the top of each side plate, a driving roller is arranged between the two side plates at one end of the sliding support platform, a power mechanism connected with one end of the driving roller is further arranged on the surface of one side plate, and a movable pressing assembly is further arranged on the side plate below the sliding support platform;

the flaw sorting mechanism comprises a mounting support, a light box is arranged at the top of the mounting support, the light box is arranged upwards, supporting guide rollers are arranged on the mounting supports on the two sides of the light box, and a walking platform is further arranged on the lower portion, located on one side of the splitting mechanism, of the mounting supports;

the cutting mechanism is internally provided with a cutter shaft and a cutter beam, a bed knife is fixedly sleeved on the cutter shaft, a slitting cutter is arranged on the cutter beam and is matched with the slitting cutter for slitting, the bed knife comprises a cutter body with an annular structure, groove parts for matching slitting are arranged on the surfaces of two sides of the cutter body, an annular groove is formed in the inner annular surface of the cutter body, annular limiting grooves are formed in two groove walls of the annular groove, a plurality of pressing pieces are further arranged at the annular groove opening of the annular groove and are sequentially arranged along the circumferential direction, the cross section of each pressing piece is concave, limiting wing edges are arranged on the outer surfaces of two side walls of each pressing piece, each limiting wing edge extends into the corresponding limiting groove, and the pressing pieces and the limiting wing edges are of an integrated structure and have deformation capacity; the novel cutter is characterized in that an annular air bag is further arranged in the annular groove, an inflation and deflation nozzle is arranged on the annular air bag, an operation hole is formed in the cutter body corresponding to the inflation and deflation nozzle, and the annular air bag is used for adjusting the pressure applied to the surface of the pressing sheet through inflation and deflation.

2. The small-volume dividing and cutting device convenient to operate and adjust as claimed in claim 1, wherein the moving pressing component comprises a rodless cylinder, a limiting base is mounted on a sliding portion of the rodless cylinder, the limiting base is connected with one end of the pressing arm through a rotating shaft, a torsion spring is arranged between the limiting base, the pressing arm and the rotating shaft, a limiting portion limiting rotation of the pressing arm is arranged on the limiting base, the limiting portion is arranged on the limiting base far away from one side of the driving roller, the torsion spring provides torsion force for the pressing arm to abut against the limiting portion, and at least two auxiliary wheels are arranged at the other end of the pressing arm.

3. A small-volume cutting device convenient to operate and adjust as claimed in claim 2, wherein a linear guide rail for assisting movement is arranged between the side plate and the bottom beam frame, a power cylinder is vertically arranged on the surface of the side plate, an extension bar of the power cylinder is fixedly connected with the bottom beam frame, and the linear guide rail is arranged in parallel with the power cylinder.

4. The small-volume dividing and cutting device convenient to operate and adjust as claimed in claim 1, wherein the mounting bracket is provided with a section beam on one side of the unwinding mechanism, the section beam is sleeved with a mounting sleeve, a first cylinder is fixed on the surface of the mounting sleeve, a first adapter sleeve is sleeved on the first cylinder, the first adapter sleeve is fixedly connected with a second adapter sleeve, the first adapter sleeve and the second adapter sleeve are 90 degrees and the surface of the first adapter sleeve and the surface of the second adapter sleeve are arranged to be a plane, the second adapter sleeve is sleeved on the second cylinder, a detection sensor is arranged on the second cylinder, a first locking nut used for fixing the relative positions of the first adapter sleeve and the first cylinder is arranged on the first adapter sleeve, and a second locking nut used for fixing the relative positions of the second adapter sleeve and the second cylinder is arranged on the second adapter sleeve.

5. The small volume cutting device for easy operation and adjustment according to claim 1, wherein the walking platform comprises a bottom beam frame and a bending plate arranged on the surface of the bottom beam frame, the bottom beam frame and the mounting bracket are of an integral structure, and the bending plate is provided with a front blocking part and a rear blocking part.

6. A small volume dividing and cutting apparatus facilitating operation and adjustment as claimed in claim 1, wherein the bottom surface of the pressing plate is of an arc-shaped configuration, and the bottom surface of the pressing plate is concentrically arranged with the inner annular surface of the cutter body.

7. A small-volume dividing and cutting apparatus convenient to operate and adjust as set forth in claim 1, wherein a blocking protrusion is provided in the annular limiting groove between two adjacent pressing pieces.

8. A small volume slitting device as set forth in claim 1 that is easy to operate and adjust wherein the hold down tabs and the stop wings are resilient.

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