CN107696104B - Combined slitting mechanism and assembly method thereof - Google Patents
Combined slitting mechanism and assembly method thereof Download PDFInfo
- Publication number
- CN107696104B CN107696104B CN201711034509.8A CN201711034509A CN107696104B CN 107696104 B CN107696104 B CN 107696104B CN 201711034509 A CN201711034509 A CN 201711034509A CN 107696104 B CN107696104 B CN 107696104B
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- cutter
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- disc
- disc cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
- B26D7/2621—Means for mounting the cutting member for circular cutters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
- B26D2001/0033—Cutting members therefor assembled from multiple blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetal Cutting Devices (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a combined cutting mechanism which is arranged in a cutting device of an ultrafine cable sheath film and comprises a driving unit and a driven driving unit which interfere with each other, wherein the driving unit comprises a cutter group, the driven driving unit comprises a cutter seat group, the edge wall of a cutter group disc cutter is abutted with the groove wall of a concave ring groove of a cut seat to form a shearing-like structure, a specific positive and negative tolerance ordering is arranged between the cutter group and the cutter seat group, and an ordering mode is provided correspondingly. The invention innovatively provides a combined slitting mechanism suitable for slitting a plurality of strands of an ultrathin cable sheath film, and the combined slitting mechanism has extremely high slitting precision. By adopting a specific ordering mode, the precision is improved by a tolerance offset mode. The disc cutter is specially designed, so that the high-precision requirement is met, and the service life of the disc cutter is prolonged.
Description
Technical Field
The invention relates to a combined slitting mechanism, in particular to a combined slitting mechanism applied to an ultrathin cable sheath film and an assembly method thereof, and belongs to the technical field of ultrathin film slitting equipment.
Background
In recent years, miniaturization of consumer electronic products represented by mobile phones and notebook computers, communication, medical and military electronic products has been accelerated, performance requirements have been continuously increased, and conventional wiring elements such as ribbon cables and flexible circuit boards (FPCs) for transmitting signals of various frequencies in these products are rapidly replaced by extremely fine coaxial cables which have high transmission rates, wide frequency bandwidths and strong electromagnetic interference resistance. Particularly, the popularization of mobile communication in the middle of nineties in the last century promotes the research and development and mass production of extremely fine coaxial cables. The superfine cable has the following characteristics: the outer diameter of the single-core coaxial cable is extremely small, and the width and the thickness of the sheath film are strictly required; the cable has good mechanical and physical properties, and particularly the cable for connecting the movable module has strong bending and torsion resistance.
The thickness and the width of the sheath film have more severe requirements, so that higher requirements are put on production equipment of the sheath film.
The direct slicing tolerance of the winding shaft of the sheath film of the ultra-thin cable cannot be realized due to the small width value of the sheath film and the soft material texture, so that the slicing tolerance is realized by coiling or winding after slitting.
For the cutting link, the superfine cable sheath film is generally cut into a plurality of strands, so that the combination of a plurality of groups of cutters is needed, namely, a plurality of cutters are assembled on the shaft body for cutting, and as known, parts have certain tolerance, when the tolerance stack of the plurality of groups of cutters is larger, the final size deviation is larger, and the product is unqualified, especially in the cutting field of the superfine cable sheath film, the difference is thousands of micrometers.
In addition, the cutting edge wall of the traditional disc cutter is in a plane state, when certain tolerance exists, certain axial pressure can be generated on the disc cutter when the disc cutter is matched with the cutting seat, the pressure can enable the edge end of the disc cutter to generate fine deviation, a gap is generated between the disc cutter and the cutting seat, the cutting structure is loose, effective cutting cannot be achieved, and flaws exist on the edge after cutting.
Disclosure of Invention
The invention provides a combined slitting mechanism and an assembly method thereof, which are used for solving the defects of the prior art, wherein the traditional combined slitting mechanism is low in precision and cannot meet the high-precision requirement of an ultrafine cable sheath film.
The first object of the present invention is to: a combined slitting mechanism is provided, which is arranged in a slitting device of an ultrafine cable sheath film,
comprises a driving unit and a driven driving unit,
wherein the active driving unit comprises an active driving shaft, active limiting bearings are respectively sleeved at two ends of the active driving shaft, a cutter set sleeved on the active driving shaft is arranged between the active limiting bearings at two ends, the cutter set comprises at least two disc cutters, gaskets are arranged between the adjacent disc cutters, the disc cutters at two ends of the cutter set are respectively propped against the active limiting bearings at two sides,
the driven driving unit comprises a driven driving shaft, two ends of the driven driving shaft are respectively sleeved with a driven limit bearing, a cutting seat group sleeved on the driven driving shaft is arranged between the driven limit bearings at the two ends, the cutting seat group comprises cutting seats with the same number as the disc cutters, the cutting seats are provided with concave ring grooves,
the edge wall of the disc cutter is abutted with the groove wall of the concave ring groove of the cutting seat to form a shearing-like structure;
the disc cutter is provided with a positive disc cutter with positive thickness tolerance and a negative disc cutter with negative thickness tolerance, the gasket is provided with a positive gasket with positive thickness tolerance and a negative gasket with negative thickness tolerance, the cutting seat is provided with a tangent seat with positive thickness tolerance and a negative cutting seat with negative thickness tolerance,
the disc cutters on the cutter set are arranged in the sequence of adjacent positive disc cutters and negative disc cutters, and the positive and negative orientations of the washers are opposite to those of the disc cutters of the edge wall of the washer, the positive disc cutters are matched with the tangent seats, and the negative disc cutters are matched with the negative cutting seats.
Preferably, it is characterized in that: the cutting edge wall of the disc cutter is provided with a concave plane inclined wall, and the included angle between the plane inclined wall and the plane where the cutting edge wall is located is 0.05-0.5 degrees.
Preferably, an arc-shaped transition surface is formed between the bottom end of the plane inclined wall and the blade wall.
Preferably, the disc cutter is provided with at least one stress groove for releasing stress.
Preferably, the stress grooves are crescent-shaped, and are uniformly distributed in the circumferential direction.
Preferably, the blade wall of the disc cutter is provided with a wear layer.
Preferably, the thickness of the disc cutter is 0.2 mm-1 mm, the thickness tolerance of the disc cutter is +/-0.005 mm, the thickness tolerance of the gasket is +/-0.005 mm, and the thickness tolerance of the cutting seat is +/-0.005 mm.
Preferably, the two sides of the driving shaft are respectively provided with a driving end and a driving locking end, the two sides of the driven driving shaft are respectively provided with a driven driving end and a driven locking end, and the driving end and the driven driving end are positioned on the same side and are in driving connection.
A second object of the present invention is to: the utility model provides an assembly method of mechanism is cut in combination, the both sides of initiative drive shaft are equipped with initiative drive end and initiative locking end respectively, the both sides of driven drive shaft are equipped with driven drive end and driven locking end respectively, initiative drive end with driven drive end is located the homonymy, includes following step:
s1, selecting materials, namely selecting a driving limit bearing, a driven limit bearing, a cutter set and a cutter seat set according to requirements;
s2, an active driving shaft assembly step, namely sequentially assembling an active limiting bearing, a cutter set and an active limiting shaft along the direction of an active driving end of the active driving shaft towards an active locking end, wherein the cutter set is assembled according to the cycle sequence of a positive circular disc cutter, a positive gasket, a negative circular disc cutter and a negative gasket, and the edge wall of the circular disc cutter faces towards the driving end;
s3, assembling a driven driving shaft, namely sequentially assembling a driven limit bearing, a cutting seat group and a driven limit shaft along the direction of a driven driving end of the driven driving shaft towards a driven locking end, wherein the cutting seat group is assembled according to the cycle sequence of a tangent seat, a negative cutting seat and a tangent seat;
s4, matching and aligning the driving unit and the driven driving unit, so that the cutting edge wall of the disc cutter is abutted with the groove wall of the groove of the concave ring of the cutting seat to form a shearing-like structure, the positive disc cutter is matched with the tangent seat, and the negative disc cutter is matched with the negative cutting seat;
s5, locking, namely locking the cutter set of the driving shaft after alignment and locking the cutter seat set of the driven driving shaft.
Preferably, the edge wall of the disc cutter is provided with a concave planar inclined wall comprising:
s6, adjusting, namely secondarily locking the cutter set of the driving shaft to enable the plane inclined wall of the cutting edge wall to be abutted with the groove wall of the groove of the concave ring of the cutting seat.
The beneficial effects of the invention are mainly as follows:
1. the combination cutting mechanism suitable for cutting the multiple strands of the ultra-fine cable sheath film is innovatively provided, and the cutting precision of the combination cutting mechanism is extremely high.
2. By adopting a specific ordering mode, the precision is improved by a tolerance offset mode.
3. The disc cutter is specially designed, so that the high-precision requirement is met, and the service life of the disc cutter is prolonged.
Drawings
Fig. 1 is a schematic structural view of a combined slitting mechanism according to the invention.
Fig. 2 is a schematic view of the relationship of the planar sloped wall and the knife edge wall in the present invention.
Fig. 3 is a schematic view of the structure of the disc cutter according to the present invention.
Detailed Description
The invention provides a combined slitting mechanism and an assembly method thereof. The following detailed description of the present invention is provided in connection with the accompanying drawings, so as to facilitate understanding and grasping thereof.
The utility model provides a mechanism is cut in the extremely thin cable sheath membrane cutting equipment to the combination for divide extremely thin cable sheath membrane into the strand, as depicted in fig. 1, including initiative drive unit 1 and driven drive unit 2, initiative drive unit 1 is used for the loading cutter group, and driven drive unit 2 is used for the loading and cuts the seat group, and initiative drive unit 1 drives driven drive unit 2 operation.
The active driving unit 1 comprises an active driving shaft 11, active limiting bearings 12 are sleeved at two ends of the active driving shaft 11 respectively, a cutter set sleeved on the active driving shaft 11 is arranged between the active limiting bearings 12 at two ends, each cutter set comprises at least two disc cutters 3, gaskets 4 are arranged between adjacent disc cutters, and the disc cutters 3 at two ends of each cutter set are respectively abutted against the limiting bearings 12 at two sides.
Specifically, the active limiting bearing 12 is used for adjusting the position of the cutter set on the active driving shaft 11, the number of the cutter set is not limited, the thickness of the cutter set is not limited, the distance between the edge walls of two adjacent disc cutters 3 of the cutter set is a cutting width, the cutting width is equal to the thickness of the disc cutter 3 plus the thickness of the washer 4 on the back side of the edge wall of the disc cutter 3, and the width is adjusted by adjusting the thickness of the washer 4.
The driven driving unit 2 comprises a driven driving shaft 21, two ends of the driven driving shaft 21 are respectively sleeved with a driven limiting bearing 22, a cutting seat group sleeved on the driven driving shaft 21 is arranged between the driven limiting bearings 22 at the two ends, the cutting seat group comprises cutting seats 5 with the same number as that of the disc cutters 3, and concave ring grooves 6 are formed in the cutting seats 5.
Specifically, the driven limit bearing 22 is used for adjusting the position of the cutting seat group on the driven driving shaft 21, the same number and thickness are not limited, and the cutting seats 5 are in one-to-one correspondence with the positions of the disc cutters 3.
The blade wall 31 of the disc cutter 3 is abutted against the groove wall 61 of the concave ring groove 6 of the cutting seat 5 to form a shearing-like structure, namely, the shearing of the film is realized between the blade wall 31 and the groove wall 61 when the disc cutter 3 and the cutting seat 5 reversely rotate.
The disc cutter 3 has a positive disc cutter 301 having a positive thickness tolerance and a negative disc cutter 302 having a negative thickness tolerance, the gasket 4 has a positive gasket 401 having a positive thickness tolerance and a negative gasket 402 having a negative thickness tolerance, and the cutter seat 5 has a tangent seat 501 having a positive thickness tolerance and a negative cutter seat 502 having a negative thickness tolerance.
The following is a description of the ordering of the cutter set and the cutter set:
the disc cutters 3 on the cutter set are arranged according to the adjacent sequence of the positive disc cutter 301 and the negative disc cutter 302, the adjacent states are only the relativity of the disc cutters, no gasket is involved, the cutting edge walls of the disc cutters 3 are arranged in the same direction, the gasket 4 is arranged between the positive disc cutter 301 and the negative disc cutter 302, the positive and negative orientations of the gasket 4 are opposite to the positive and negative directions of the disc cutters 3 abutting the edge walls of the gasket 4, the positive disc cutter 301 is matched with the tangent seat 501, and the negative disc cutter 302 is matched with the negative cutting seat 502.
Specifically, the positive and negative directions of any disc cutter are consistent with the positive and negative orientations of the washers on the back side of the edge wall thereof, and assuming that the edge wall of the first disc cutter faces the active limiting bearing 12, it is a positive disc cutter, a positive washer, a negative disc cutter, a negative washer, and so on in that order, or it is a negative disc cutter, a negative washer, a positive disc cutter, a positive washer, and so on in that order.
It is important to note that the sum of the tolerances of the first disc cutter 3 and the first washer 4 on the back side of the blade wall corresponds to the tolerance of the first cutter seat 5, so that the errors cancel each other, while the sum of the tolerances of the second disc cutter 3 and the second washer 4 cancel each other with the tolerance of the second cutter seat 5, and so on, so that the precision of the parting mechanism is precise.
In a preferred embodiment, as shown in fig. 2, the blade wall 31 of the disc cutter 3 is provided with a concave plane inclined wall 32, and the plane inclined wall 32 forms an included angle of 0.05-0.5 ° with the plane of the blade wall 31.
As is well known, when the blade ends of the disc cutters are axially crimped, a relatively small elastic deformation is inevitably produced, which causes the blade ends to deflect outwardly, resulting in a small gap between the blades of the blade wall 31 and the groove wall 61, which gap results in a weakening of the shearing force of the slitting mechanism. The long-term deformation can lead to deformation solidification, has reduced the life of disc cutter.
The plane inclined wall 32 is used for counteracting elastic deformation existing in the prior art, so that the plane inclined wall 32 keeps abutting relation with the groove wall 61, the shearing force is ensured to be stable, and the service life of the disc cutter is greatly prolonged.
In addition, an arc-shaped transition surface 33 is arranged between the bottom end of the plane inclined wall 32 and the blade wall 31, and the arc-shaped transition surface 33 facilitates the production and processing of the disc cutter on one hand and stabilizes the stress on the other hand.
As shown in fig. 3, the disc cutter 3 is provided with at least one stress groove 34 for releasing stress, and the stress groove 34 increases the toughness of the disc cutter 3, maintains stronger deformation resetting capability, ensures uniform circumferential stress distribution, ensures more stable matching with the cutter seat and makes the tangent line more gentle. The stress slots 34 also increase the friction of the drive.
In a particular embodiment, the stress slots 34 are crescent shaped and are evenly circumferentially distributed. Of course, other arrangement forms with the same function can be adopted, so long as the structure forms with the same function as the scheme are all within the protection scope of the scheme.
The edge wall 31 of the disc cutter 3 is provided with a wear-resistant layer which is a nanoscale wear-resistant layer and can increase the service life of the disc cutter 3.
The relative sizes of the disc cutter 3, the gasket 4 and the cutting seat 5 are limited to a certain extent, the thickness of the disc cutter is 0.2 mm-1 mm, the thickness tolerance of the disc cutter is +/-0.005 mm, the thickness tolerance of the gasket is +/-0.005 mm, and the thickness tolerance of the cutting seat is +/-0.005 mm.
The driving end 13 and the driving locking end 14 are respectively arranged on two sides of the driving shaft 11, the driven driving end 23 and the driven locking end 24 are respectively arranged on two sides of the driven driving shaft 21, the driving end and the driven driving end are positioned on the same side and are in driving connection, the driving connection means that the driven driving end 23 is a follow-up part of the driving end 13, more specifically, the driving end 13 is connected with the driven driving end 23 through a synchronous driving mechanism, and the driving shaft 11 and the driven driving shaft 21 reversely rotate under the driving action.
Specifically explaining the assembly method of the combined slitting mechanism, two sides of a driving shaft are respectively provided with a driving end and a driving locking end, two sides of a driven driving shaft are respectively provided with a driven driving end and a driven locking end, and the driving end and the driven driving end are positioned at the same side, and the assembly method comprises the following steps:
and selecting materials, namely selecting a driving limit bearing, a driven limit bearing, a cutter set and a cutting seat set according to the requirements.
An active driving shaft assembling step, as shown in fig. 1, of sequentially assembling an active limiting bearing, a cutter set and an active limiting shaft along the direction of an active driving end of the active driving shaft towards an active locking end, wherein the cutter set is assembled according to the cycle sequence of a positive circular disc cutter, a positive gasket, a negative circular disc cutter and a negative gasket, and the edge wall of the circular disc cutter faces towards the driving end;
the method comprises the following steps of assembling a driven driving shaft, namely sequentially assembling a driven limit bearing, a cutting seat group and a driven limit shaft along the direction of a driven driving end of the driven driving shaft towards a driven locking end, wherein the cutting seat group is assembled according to the cycle sequence of a tangent seat, a negative cutting seat and a tangent seat;
in the specific embodiment, the superfine cable sheath film is divided into nine strands, so that ten disc cutters, nine gaskets and ten cutting seats are adopted, and the cutter groups are assembled from the driving end to the locking end in sequence: positive disc cutter, positive packing ring, negative disc cutter, negative packing ring, positive disc cutter, positive packing ring, negative disc cutter to all cutting edge walls of disc cutter are towards the drive end, and the assembly sequence of cutting seat group according to drive end to locking end: tangent seat, negative tangent seat, negative tangent seat. Any disc cutters counteract the tolerance of their corresponding cutter seats.
A step of alignment and splicing, in which a driving unit and a driven driving unit are matched and aligned, so that the cutting edge wall of the disc cutter is abutted against the groove wall of the groove of the concave ring of the cutting seat to form a shearing-like structure, the positive disc cutter is matched with the tangent seat, and the negative disc cutter is matched with the negative cutting seat;
and locking, namely locking the cutter set of the driving shaft after alignment and locking the cutter seat set of the driven driving shaft.
In a preferred embodiment, the edge wall of the disc cutter is provided with a concave planar inclined wall, and the invention comprises:
and an adjusting step, namely performing secondary locking on the cutter set of the driving shaft, so that the plane inclined wall of the cutting edge wall is abutted with the groove wall of the groove of the concave ring of the cutting seat.
From the above description, it can be found that the combined cutting mechanism and the assembling method thereof provided by the invention creatively provide the combined cutting mechanism suitable for multi-strand cutting of the ultra-fine cable sheath film, and the combined cutting mechanism has extremely high cutting precision. By adopting a specific ordering mode, the precision is improved by a tolerance offset mode. The disc cutter is specially designed, so that the high-precision requirement is met, and the service life of the disc cutter is prolonged.
While the foregoing has been described in terms of embodiments of the present invention, it will be appreciated that the embodiments of the invention are not limited by the foregoing description, but rather, all embodiments of the invention may be modified in structure, method or function by one skilled in the art to incorporate the teachings of this invention, as expressed in terms of equivalent or equivalent embodiments, without departing from the scope of the invention.
Claims (9)
1. The utility model provides a mechanism is cut in the superfine cable sheath membrane cutting equipment, its characterized in that:
comprises a driving unit and a driven driving unit,
wherein the active driving unit comprises an active driving shaft, active limiting bearings are respectively sleeved at two ends of the active driving shaft, a cutter set sleeved on the active driving shaft is arranged between the active limiting bearings at two ends, the cutter set comprises at least two disc cutters, gaskets are arranged between the adjacent disc cutters, the disc cutters at two ends of the cutter set are respectively propped against the active limiting bearings at two sides,
the driven driving unit comprises a driven driving shaft, two ends of the driven driving shaft are respectively sleeved with a driven limit bearing, a cutting seat group sleeved on the driven driving shaft is arranged between the driven limit bearings at the two ends, the cutting seat group comprises cutting seats with the same number as the disc cutters, the cutting seats are provided with concave ring grooves,
the edge wall of the disc cutter is abutted with the groove wall of the concave ring groove of the cutting seat to form a shearing-like structure;
the disc cutter is provided with a positive disc cutter with positive thickness tolerance and a negative disc cutter with negative thickness tolerance, the gasket is provided with a positive gasket with positive thickness tolerance and a negative gasket with negative thickness tolerance, the cutting seat is provided with a tangent seat with positive thickness tolerance and a negative cutting seat with negative thickness tolerance, and the sum of the tolerances of the disc cutter and the gasket at the back side of the blade wall corresponds to the tolerance of the cutting seat;
the disc cutters on the cutter set are arranged in the sequence of adjacent positive disc cutters and negative disc cutters, the positive disc cutters are matched with the tangent seats, and the negative disc cutters are matched with the negative cutting seats;
which is in turn a positive disc cutter, a positive washer, a negative disc cutter, a negative washer, and so on, or a negative disc cutter, a negative washer, a positive disc cutter, a positive washer, and so on,
the cutting edge wall of the disc cutter is provided with a concave plane inclined wall, and the included angle between the plane inclined wall and the plane where the cutting edge wall is located is 0.05-0.5 degrees.
2. A combination slitting mechanism as defined in claim 1, wherein: an arc-shaped transition surface is arranged between the bottom end of the plane inclined wall and the blade wall.
3. A combination slitting mechanism as defined in claim 1, wherein: the disc cutter is provided with at least one stress groove for releasing stress.
4. A combination slitting mechanism according to claim 3, wherein: the stress grooves are crescent and are circumferentially and uniformly distributed.
5. A combination slitting mechanism as defined in claim 1, wherein: the blade wall of the disc cutter is provided with a wear-resistant layer.
6. A combination slitting mechanism as defined in claim 1, wherein:
the thickness of the disc cutter is 0.2 mm-1 mm, the thickness tolerance of the disc cutter is +/-0.005 mm, the thickness tolerance of the gasket is +/-0.005 mm, and the thickness tolerance of the cutting seat is +/-0.005 mm.
7. A combination slitting mechanism as defined in claim 1, wherein: the driving device is characterized in that driving ends and driving locking ends are respectively arranged on two sides of the driving shaft, driven driving ends and driven locking ends are respectively arranged on two sides of the driven driving shaft, and the driving ends and the driven driving ends are located on the same side and are in driving connection.
8. The assembly method based on the combination slitting mechanism according to any one of claims 1 to 7, wherein two sides of the driving shaft are respectively provided with a driving end and a driving locking end, two sides of the driven driving shaft are respectively provided with a driven driving end and a driven locking end, and the driving end and the driven driving end are positioned on the same side, and the assembly method is characterized by comprising the following steps:
s1, selecting materials, namely selecting a driving limit bearing, a driven limit bearing, a cutter set and a cutter seat set according to requirements;
s2, an active driving shaft assembly step, namely sequentially assembling an active limiting bearing, a cutter set and an active limiting shaft along the direction of an active driving end of the active driving shaft towards an active locking end, wherein the cutter set is assembled according to the cycle sequence of a positive circular disc cutter, a positive gasket, a negative circular disc cutter and a negative gasket, and the edge wall of the circular disc cutter faces towards the driving end;
s3, assembling a driven driving shaft, namely sequentially assembling a driven limit bearing, a cutting seat group and a driven limit shaft along the direction of a driven driving end of the driven driving shaft towards a driven locking end, wherein the cutting seat group is assembled according to the cycle sequence of a tangent seat, a negative cutting seat and a tangent seat;
s4, matching and aligning the driving unit and the driven driving unit, so that the cutting edge wall of the disc cutter is abutted with the groove wall of the groove of the concave ring of the cutting seat to form a shearing-like structure, the positive disc cutter is matched with the tangent seat, and the negative disc cutter is matched with the negative cutting seat;
s5, locking, namely locking the cutter set of the driving shaft after alignment and locking the cutter seat set of the driven driving shaft.
9. The method of assembling a combination slitting machine as set forth in claim 8, wherein the blade wall of the disc cutter is provided with a concave planar inclined wall, comprising:
s6, adjusting, namely secondarily locking the cutter set of the driving shaft to enable the plane inclined wall of the cutting edge wall to be abutted with the groove wall of the groove of the concave ring of the cutting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034509.8A CN107696104B (en) | 2017-10-30 | 2017-10-30 | Combined slitting mechanism and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034509.8A CN107696104B (en) | 2017-10-30 | 2017-10-30 | Combined slitting mechanism and assembly method thereof |
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| Publication Number | Publication Date |
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| CN107696104A CN107696104A (en) | 2018-02-16 |
| CN107696104B true CN107696104B (en) | 2023-09-05 |
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| CN201711034509.8A Active CN107696104B (en) | 2017-10-30 | 2017-10-30 | Combined slitting mechanism and assembly method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109483605B (en) * | 2018-12-31 | 2023-11-10 | 上海得一智能科技有限公司 | Inclined plane oval rotary cutter for cutting machine |
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| CN107696104A (en) | 2018-02-16 |
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