CN105603131B - The cut-off knife mechanism and leather cutting machine of leather cutting machine - Google Patents
The cut-off knife mechanism and leather cutting machine of leather cutting machine Download PDFInfo
- Publication number
- CN105603131B CN105603131B CN201610119390.3A CN201610119390A CN105603131B CN 105603131 B CN105603131 B CN 105603131B CN 201610119390 A CN201610119390 A CN 201610119390A CN 105603131 B CN105603131 B CN 105603131B
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- Prior art keywords
- knife
- cut
- pin shaft
- cutting machine
- support portion
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B5/00—Clicking, perforating, or cutting leather
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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
- B26D1/14—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 with a circular cutting member, e.g. disc cutter
- B26D1/157—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 with a circular cutting member, e.g. disc cutter rotating about a movable axis
- B26D1/16—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 with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
- B26D1/165—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 with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like for thin material, e.g. for sheets, strips or the like
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B2700/00—Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Making driving belts; Machines for splitting intestines
- C14B2700/11—Machines or apparatus for cutting or milling leather or hides
- C14B2700/113—Cutting presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The present invention relates to a kind of cut-off knife mechanisms of leather cutting machine, make the second driving device of elevating movement comprising cut-off knife ontology, the knife handle being arranged on head, the first driving device for driving knife handle to rotate, drive knife handle, the locking assembly for connecting in knife handle with the co-axially fixed knife bar of the knife handle, with knife bar and cut-off knife ontology being fixed is arranged in；Wherein, cut-off knife ontology is dise knife, and locking assembly includes the support portion connecting with knife bar and cooperates the tight lock part locked to dise knife with support portion, and there is one to pass through support portion and connect the pin shaft of dise knife for tight lock part, and empty set is formed between support portion and pin shaft, and pin shaft follows dise knife to rotate together when dise knife rotates.Compared with the existing technology, since dise knife is to cut cladding by way of passively rotating when cutting cladding, control of the motor transmission part to dise knife can be saved, while guaranteeing normal cut, the structure of entire cut-off knife mechanism can also be simplified, to reduce the production cost of complete machine.
Description
Technical field
The present invention relates to a kind of numerical control tailoring technique field, in particular to the cut-off knife mechanism and corium of a kind of leather cutting machine
Cutter.
Background technique
Currently, in the industries such as some leather cuttings, Cloth Cutting, due to often to cut object according to the needs of production
Material, and modern is higher and higher due to requiring the technique of cutting, and the effect of high speed is also required while pursuing high quality and cutting
Rate, for example, be cut out different shape, different angle, different length cloth or leather, be all many times to need to pass through work
The hand cutting of people, it is difficult to guarantee the quality cut, while efficiency is also relatively low, so in order to overcome this defect cutter pregnant
It educates and gives birth to.
And a kind of precision instrument of the cutter as materials such as special cutting cloth, leathers, due to its sanction with higher
Precision and faster cutting efficiency are cut, has been widely used in the industries such as some leathers, cloth.Wherein, and with can be real
Based on the numerical control cutter of existing automatic cutting function.
But currently, either common cutter or numerical control cutter, when cutting the materials such as cloth, especially leather,
Typically material is cut by vibrating blade, groundwork mode is to drive vibrating blade by transmission mechanisms such as motors
Head is continuous to make upper and lower reciprocating motion, realizes cutting of the cutter head on cladding, but since the structure of vibrating blade is extremely complex, leads
Causing it to produce and assemble, cost is prohibitively expensive, moves especially for the high-frequency reciprocating for realizing cutter head, the transmission of motor driven machine
The cost of mechanism section is even more high.
Therefore, how while guaranteeing normally to cut cladding, also to simplify Cutting Shear Knife mechanism
Structure, the cost for reducing complete machine are current problems to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of cut-off knife mechanisms of leather cutting machine, can ensure normally to cut out cladding
While cutting, its internal structure is also simplified, to reduce the production cost of complete machine.
To achieve the goals above, the present invention provides a kind of cut-off knife mechanisms of leather cutting machine, include cut-off knife ontology, also
Comprising be arranged on head knife handle, drive the knife handle to rotate first driving device, drive the knife handle to rise
Second driving device of movement drops, setting is connect in the knife handle with the co-axially fixed knife bar of the knife handle, with the knife bar
And to the locking assembly that the cut-off knife ontology is fixed；
Wherein, the cut-off knife ontology is dise knife, and the locking assembly includes a support portion connecting with the knife bar
Cooperate the tight lock part locked to the dise knife with the support portion with one, and the tight lock part have one pass through it is described
Support portion and the pin shaft for connecting the dise knife, and empty set is formed between the support portion and the pin shaft, and the pin shaft is in institute
The dise knife is followed to rotate together when stating dise knife rotation.
The present invention also provides a kind of cutter, the cut-off knife mechanism comprising leather cutting machine as described above.
Embodiments of the present invention in terms of existing technologies, due to cut-off knife mechanism be by knife handle, drive knife handle carry out
The first driving device of rotation, drive knife handle carry out the second driving device of elevating movement, the knife bar being arranged in knife handle and with
The locking assembly that cut-off knife ontology is locked in knife bar connection is constituted, and due to cut-off knife ontology be dise knife and with locking assembly
Pin shaft is fixedly connected, and forms empty set between the pin shaft and the support portion of locking assembly.Thus in actual cutting process, it can
Cut-off knife is adjusted by first driving device to the cutting direction of cladding, and cutter lifting is controlled by the second driving device and roll setting is moved
Make, and dise knife can be realized with this to cladding by the way that when cutting cladding, cladding rotates freely the frictional resistance that it is generated
Cutting.It follows that can be saved since dise knife is to cut cladding by way of passively rotating when cutting cladding
Control of the motor transmission part to dise knife, while guaranteeing normal cut, additionally it is possible to the structure for simplifying entire cut-off knife mechanism, from
And reduce the production cost of complete machine.
Further, the both ends end to end of the pin shaft come out from the support portion exposed at both sides respectively；The tight lock part is also
The dise knife is embraced with gasket cooperation comprising being installed in the gasket of the pin shaft tail portion, being set in the pin shaft tail portion
Tight nut is set in the locking nut that pin shaft head positions the head of the pin shaft.
Further, a side end face of the relatively described dise knife of the nut expands outwardly the brim of a hat for constituting the nut, and
The diameter of the brim of a hat is identical as the diameter of the gasket.By increasing the diameter of the nut the brim of a hat, nut and gasket pair can be improved
The enclasping force of dise knife, enables dise knife being linked together with pin shaft tightly.
Further, the gasket and the pin shaft are integrally formed, so that the intensity of entire gasket is further improved, and
The enclasping force to dise knife is improved simultaneously.
Further, the tight lock part also include the first elastic washer for being set in the pin shaft head, be set in it is described
The head of pin shaft is used to separate the briquetting of the locking nut and first elastic washer.By being arranged the first bullet on pin shaft
Property washer and briquetting, can be when locking nut locks pin shaft, which will not lie directly against the branch of locking assembly
Support part improves the rotational characteristic of pin shaft so that locking nut can follow the logical rotation of pin shaft one while pin shaft rotates.
Further, the position that the pin shaft is arranged with briquetting is inwardly collapsed, and is offered on the briquetting for card
Enter the card slot that the pin shaft collapses position.Briquetting is enabled directly to be caught in the position that pin shaft inwardly collapses by card slot, thus
Facilitate the fixed installation of briquetting and pin shaft.
Also, the card slot is a U-lag for having circular arc, and the arc diameter of the U-lag is received equal to the pin shaft
Hold together the diameter of section at position.So that the card slot of briquetting, after being caught in the position that pin shaft inwardly collapses, which will not be on pin shaft
It shakes, to further increase locating effect of the pin shaft in locking assembly support portion.
Further, the side that the briquetting faces away from the card slot extends, and the tight lock part also includes for inciting somebody to action
Clamping screw that the extension of the briquetting is locked on the support portion is set on the clamping screw for separating institute
State the second elastic washer of briquetting and the support portion.By extending briquetting, and use clamping screw and the second elastic washer pair
The prolongation of briquetting is fixed, so that entire briquetting is more uniformly stressed, while further increasing briquetting to pin
The locating effect of axis.
Further, the locking assembly also includes the bearing for being arranged in the support portion and being set on the pin shaft
Set.Pin shaft is arranged by the way that bearing holder (housing, cover) is arranged in support portion, may make bearing holder (housing, cover) will not when being rotated with dise knife
It is directly contacted with support portion, while avoiding pin shaft from wearing, also improves the rotating property of pin shaft, so that dise knife has more preferably
Cutting effect.
Further, the knife bar is used to connect on the side end face tool of the support portion and offers a groove body, and described
Support portion include the vertical section being fixedly connected in the groove body of an insertion knife bar and with the knife bar, one be exposed to it is described
It is used to cooperate the bending segment for being locked to the dise knife with the tight lock part outside knife handle；Wherein, the bending segment is enclosed
At region constitute the installing zone of the cut-off knife ontology.
Also, N number of adjustment hole is additionally provided in the vertical section, and the N is the natural number greater than 1, and same from top to bottom
Axis setting, and the mounting hole big with the adjustment hole etc. is also provided on the knife bar；Wherein, the mounting hole on the knife bar is equal
It is locked by lock-screw and any one adjustment hole.So that staff can not carry out school to the altitude datum of head
In the case where standard, by adjusting the assembly between each adjustment hole on the mounting hole and locking assembly support portion vertical section on knife bar
Relationship may make altitude datum of the dise knife of different-diameter when cutting the cladding of different size between table top to keep one
It causes, to eliminate the step of staff again calibrates head, improves the efficiency of cladding cutting.
Further, pilot hole is offered at the slot bottom of the groove body of the knife bar, and is installed in the upper pilot hole
Guide rod, and the lower pilot hole for being inserted by the guide rod is offered on the end face of the support portion vertical section.Thus
When by the groove body of the vertical section insertion knife bar of support portion, by the cooperation of guide rod and upper and lower pilot hole, support portion can be improved
Steering capability when vertical section is in the groove body for being inserted into knife bar, and can avoid the vertical section of support portion in the groove body of insertion knife bar
After there is rotation phenomenon, and ensure that the position of mounting hole and each adjustment hole simultaneously on the same axis, so that support portion and knife
Assembly between bar is more convenient.
Further, be additionally provided with limited block on the knife handle of the cut-off knife mechanism, and be additionally provided on the cutter for
The knife handle of the cut-off knife mechanism resists the stopper of the limited block on the knife handle when dropping to final position from initial position.Make
The second driving mechanism is obtained when driving knife handle to move downward, it, can be under knife handle by the mutual cooperation of limited block and stopper
Drop distance is defined, so as to avoid the generation for hitting knife phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the cut-off knife mechanism of the leather cutting machine of first embodiment of the invention；
Fig. 2 is the internal structure chart of the cut-off knife mechanism of the leather cutting machine of first embodiment of the invention；
Fig. 3 is the partial enlarged view in the portion A in Fig. 2；
Fig. 4 is the structural schematic diagram of the cut-off knife mechanism of the leather cutting machine of second embodiment of the invention；
Fig. 5 is the structural schematic diagram of the cut-off knife mechanism of the leather cutting machine of third embodiment of the invention；
Fig. 6 is the structural schematic diagram of the cut-off knife mechanism of the leather cutting machine of four embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed also may be implemented
Case.
The first embodiment of the present invention is related to a kind of cut-off knife mechanisms of leather cutting machine, as depicted in figs. 1 and 2, the sanction
Cutter mechanism is mainly by cut-off knife ontology, the knife handle 1 being arranged on head, the first driving device (figure for driving knife handle to rotate
In do not indicate), drive knife handle 1 make elevating movement the second driving device (not indicated in figure), be arranged in knife handle 1 with knife handle 1
Co-axially fixed knife bar 2 and the composition of locking assembly 3 for being connect with knife bar 2 and cut-off knife ontology being fixed.
Wherein, as depicted in figs. 1 and 2, cut-off knife ontology is dise knife 4, and the outer rim of dise knife 4 is the blade of dise knife 4.And locking group
Part 3 includes that a support portion 3-1 connecting with knife bar 2 and one cooperate the tight lock part locked to dise knife 4 with support portion 3-1
3-2, and there is one to pass through support portion 3-1 and connect the pin shaft 3-2-1 of dise knife 4, and support portion 3-1 and pin shaft by tight lock part 3-2
Empty set is formed between 3-2-1, and pin shaft 3-2-1 follows dise knife 4 to rotate together when dise knife 4 rotates.
In actual cutting process, cut-off knife can be adjusted by first driving device to the cutting direction of cladding, and by
Two driving devices act come the cutter lifting for controlling entire knife handle 1 and roll setting, and dise knife 4 can be by the way that when cutting cladding, cladding be to it
The frictional resistance of generation is rotated freely, and realizes the cutting to cladding with this.It follows that since dise knife 4 is cutting cladding
When be cladding to be cut by way of passively rotating, therefore control of the motor transmission part to dise knife can be saved, guarantee just
While often cutting, additionally it is possible to the structure for simplifying entire cut-off knife mechanism, to reduce the production cost of complete machine.
Specifically, as shown in Figures 2 and 3, the both ends end to end of pin shaft 3-2-1 are two of difference directly from support portion 3-1
Side is exposed.And tight lock part 3-2 also includes the gasket 3-2-2 for being installed in the tail portion pin shaft 3-2-1, is set in pin shaft 3-2-1 tail
Portion and gasket 3-2-2 cooperate the nut 3-2-3 held tightly to dise knife 4, are set in the head pin shaft 3-2-1 to pin shaft 3-2-1's
The locking nut 3-2-4 that head is positioned.Also, it is noted that in the present embodiment, nut 3-2-3 is relatively round
One side end face of knife 4 expands outwardly the brim of a hat 3-2-5 for constituting nut 3-2-3, and the diameter of the brim of a hat 3-2-5 is with gasket 3-2-2's
Diameter is identical.To when nut 3-2-3 is when tie spacer 3-2-2 holds dise knife 4 tightly, can further nut 3-2-3 with
Gasket 3-2-2 enables being linked together with pin shaft 3-2-1 tightly of dise knife 4 to the enclasping force of dise knife 4, it is ensured that dise knife 4 is being cut out
The phenomenon that being not in shaking when cutting cladding.
Furthermore, it is desirable to explanation, in the present embodiment, in order to enable dise knife 4 has better fixed effect, gasket
3-2-2 and pin shaft 3-2-1 is integrally formed, so that the bonding strength between entire gasket and pin shaft 3-2-1 is further improved, and
The enclasping force to dise knife 4 is improved simultaneously.
In addition, when dise knife 4 is when cutting cladding, in order to guarantee pin shaft 3-2-1 dise knife 4 is effectively supported it is same
When, additionally it is possible to avoid pin shaft 3-2-1 from stuck phenomenon occur when following dise knife 4 to be rotated.As shown in Figure 3, the tight lock part
3-2 also includes the elastic washer 3-2-6 for being set in the head pin shaft 3-2-1, is set in the head of pin shaft 3-2-1 for separating locking
The briquetting 3-2-7 of nut 3-2-4 and elastic washer 3-2-6.
It thus, can be in locking screw it is not difficult to find that by being arranged elastic washer 3-2-6 and briquetting 3-2-7 on pin shaft 3-2-1
When female 3-2-4 locks pin shaft 3-2-1, locking nut 3-2-4 will not lie directly against the support portion 3-1 of locking assembly,
So that locking nut 3-2-4 can follow the logical rotation of pin shaft one while pin shaft 3-2-1 rotates, it is ensured that pin shaft 3-2-1
While effectively being supported to dise knife 4, additionally it is possible to which the rotational characteristic for improving pin shaft 3-2-1 avoids pin shaft 3-2-1 from propping up
There is stuck phenomenon in the 3-1 of support part.
Specifically, as depicted in figs. 1 and 2, the card slot 3-2-8 for being caught in pin shaft is offered on briquetting 3-2-7, and
The position that pin shaft 3-2-1 is arranged with briquetting 3-2-7, which is inwardly collapsed, forms an inner fovea part 3-2-11.In practical set, briquetting
3-2-7 can be directly caught in the inner fovea part 3-2-11 of pin shaft 3-2-1 by card slot 3-2-8, then pass through rotation locking nut again
3-2-4 locks briquetting 3-2-7, so as to not influence the same of the assembly intensity between briquetting 3-2-7 and pin shaft 3-2-1
When, it can also facilitate the assembly of briquetting 3-2-7.
It should be noted that as shown in Figure 1, the above-mentioned card slot being previously mentioned be 3-2-8 be one have circular arc U-lag, and
The arc diameter of the U-lag is equal to the diameter of section of pin shaft inner fovea part 3-2-11.So that the card slot 3-2-8 of briquetting 3-2-7 is in card
After the indent position for entering pin shaft 3-2-1, the card slot 3-2-8 of the briquetting can be completely complete with the indent position of pin shaft 3-2-1
Engaging, will not shake on pin shaft, to further increase positioning of the pin shaft 3-2-1 in locking assembly support portion 3-1
Effect.
In addition, it is noted that avoiding the occurrence of local deformation in order to enable the stress of briquetting 3-2-7 is more uniform
Phenomenon, and the locating effect to pin shaft is improved simultaneously.In the present embodiment, as shown in connection with fig. 3, briquetting 3-2-7 is also towards back
Side from card slot 3-2-8 is extended, and tight lock part 3-2 also includes for carrying out the extension locking of briquetting 3-2-7
The bolt 3-2-9 of locking, it is set on clamping screw 3-2-9 for separating the elastic washer 3-2- of briquetting 3-2-7 and support portion
10.In practical set, the extension of briquetting 3-2-7 can be locked by rotating clamping screw 3-2-9.
In addition, in order to further increase cutting performance of the cut-off knife when cutting cladding, in the present embodiment, such as Fig. 3 institute
Show, the locking assembly 3 is also comprising being arranged in support portion 3-1 and being set in the bearing holder (housing, cover) 3-3 on pin shaft 3-2-1.And bearing holder (housing, cover)
The inner ring of 3-3 is fixedly connected with pin shaft 3-2-1, and the outer ring of bearing holder (housing, cover) 3-3 is fixedly connected with support portion 3-1, so that axis
Bearing sleeve will not directly be contacted when being rotated with dise knife with support portion, wear phenomenon occur so as to avoid pin shaft, and simultaneously
It ensure that dise knife 4 has preferable concentricity when rotated, improve the rotating property of pin shaft 3-2-1, so that dise knife 4 has more
Good cutting effect.
Second embodiment of the present invention is related to a kind of cut-off knife mechanism of leather cutting machine, and second embodiment is first
It is further improved on the basis of embodiment, mainly improves and be: in the present embodiment, as shown in figure 4, knife bar 2
A side end face for connecting support portion 3-1 offers a groove body 2-1 on having, and support portion 3-1 includes an insertion knife bar 2
The vertical section 3-1-1 that is fixedly connected in groove body 2-1 and with knife bar 2, one be exposed to outside knife handle 1 and be used for and tight lock part 3-2 cooperation
The bending segment 3-1-2 being locked to dise knife.Also, the installation of bending segment 3-1-2 area defined composition dise knife 4
Area.
Also, in actual application process, multiple adjustment hole 3- are additionally provided on the vertical section 3-1-1 of support portion 3-1
1-3, and be arranged successively and be coaxially disposed from top to bottom, and the mounting hole big with adjustment hole 3-1-3 etc. is also provided on knife bar 2
(not indicated in figure).
Wherein, as shown in figure 4, in practical set, the mounting hole on the knife bar 2 passes through lock-screw and (does not mark in figure
Show) it is locked with any one adjustment hole 3-1-3.So that staff can not calibrate the altitude datum of head
In the case of, by adjusting the assembly between each adjustment hole 3-1-3 on the mounting hole and support portion vertical section 3-1-1 on knife bar 2
Relationship may make altitude datum of the dise knife of different-diameter when cutting the cladding of different size between table top to keep one
It causes, to eliminate the step of staff again calibrates head, improves the efficiency of cladding cutting.
Specifically, each adjustment hole 3-1-3 equidistant arrangement on support portion vertical section 3-1-1, and in the present embodiment,
As shown in figure 4, the quantity of adjustment hole 3-1-3 is two, and hole location difference of two adjustment hole 3-1-3 on vertical section 3-1-1
The demand of the dise knife of corresponding two kinds of different-diameters during installation, with ensure the dise knifes 4 of two kinds of different-diameters after completing assembly, only
Need to by adjusting two adjustment hole 3-1-3 on vertical section 3-1-1 and the corresponding relationship between mounting hole, that is, can ensure that two kinds not
It can be remained unchanged with the altitude datum between the dise knife 4 and table top of diameter, successively improve the efficiency that cladding is cut.
Third embodiment of the present invention is related to a kind of cut-off knife mechanism of leather cutting machine, and third embodiment is second
It is further improved on the basis of embodiment, mainly improves and be: in the present embodiment, as shown in figure 5, knife bar 2
Groove body 2-1 slot bottom at offer pilot hole 2-3, and guide rod (not indicating in figure) is installed in upper pilot hole 2-3.And
The lower pilot hole 3-1-4 for being directed to bar insertion is offered on the end face of support portion vertical section 3-1-1.
Through the above it is not difficult to find that when the vertical section 3-1-1 of support portion 3-1 is being inserted into knife bar 2 by staff
When in groove body 2-1, by the cooperation of guide rod and upper pilot hole 2-3 and lower pilot hole 3-1-4, the perpendicular of support portion 3-1 can be improved
Steering capability when straight section 3-1-1 is in the groove body 2-1 for being inserted into knife bar 2, and the vertical section 3-1-1 that can avoid support portion 3-1 exists
There is rotation phenomenon after being inserted into the groove body 2-1 of knife bar 2, and ensure that mounting hole and the position of each adjustment hole 3-1-3 exist simultaneously
On same axis, so that the assembly between support portion 3-1 and knife bar 2 is more convenient.
In addition, it is noted that as shown in figure 5, in order to further facilitate the assembly between support portion 3-1 and knife bar 2,
In the present embodiment, the centre that one end of guide rod towards lower pilot hole 2-3 are increasingly towards guide rod is collapsed, and is made
The pyramidal structure that its end constitutes the pyramidal structure that one has circular arc or has sharp portion for one.Thus it is not difficult to find that in reality
During assembly, when the vertical section 3-1-1 of support portion 3-1 is in the groove body 2-1 for being inserted into knife bar 2, by being oriented to boom end
Pyramidal structure can quickly calibrate the center of the lower pilot hole 3-1-4 on the end face vertical section 3-1-1, to ensure guide rod
It can smoothly enter into lower pilot hole 3-1-4, successively realize the Fast Installation between support portion 3-1 and knife bar 2.
4th embodiment of the invention is related to a kind of leather cutting machine, which includes such as first, second or third
The cut-off knife mechanism of leather cutting machine described in embodiment.
Through the above it is not difficult to find that during practical application, cut-off knife pair can be adjusted by first driving device
The cutting direction of cladding, and cutter lifting and the roll setting movement of entire knife handle 1 are controlled by the second driving device, and dise knife 4 can pass through
When cutting cladding, cladding rotates freely the frictional resistance that it is generated, and realizes the cutting to cladding with this.Thus may be used
Know, since dise knife 4 is to cut cladding by way of passively rotating when cutting cladding, motor transmission part can be saved
Control to dise knife, while guaranteeing normal cut, additionally it is possible to the structure for simplifying entire cut-off knife mechanism, to reduce complete machine
Production cost.
Also, it as shown in fig. 6, being additionally provided with limited block 7 on the knife handle 1 of the cut-off knife mechanism, and is additionally provided with and is used on cutter
The stopper of the limited block 7 on knife handle 1 is resisted when the knife handle of cut-off knife mechanism drops to final position from initial position (in figure not
Mark).It follows that passing through the mutual of limited block 7 and stopper when the second driving mechanism is when driving knife handle 1 to move downward
Cooperation, can be defined the dropping distance of knife handle 1, so as to avoid the generation for hitting knife phenomenon.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (14)
1. a kind of cut-off knife mechanism of leather cutting machine includes cut-off knife ontology, it is characterised in that: the also knife comprising being arranged on head
Handle, the first driving device for driving the knife handle to rotate, drive the knife handle make elevating movement the second driving device,
Setting connect with the co-axially fixed knife bar of the knife handle, with the knife bar in the knife handle and consolidates to the cut-off knife ontology
Fixed locking assembly；
Wherein, the cut-off knife ontology is dise knife, and the locking assembly includes a support portion connecting with the knife bar and one
It is a to cooperate the tight lock part locked to the dise knife with the support portion, and there is the tight lock part one to pass through the support
Portion and the pin shaft for connecting the dise knife, and empty set is formed between the support portion and the pin shaft, and the pin shaft is in the circle
Knife follows the dise knife to rotate together when rotating.
2. the cut-off knife mechanism of leather cutting machine according to claim 1, it is characterised in that: the both ends end to end of the pin shaft point
It is not come out from the support portion exposed at both sides；
The tight lock part also includes the gasket for being installed in the pin shaft tail portion, is set in the pin shaft tail portion and gasket cooperation
The nut held tightly to the dise knife is set in the locking nut that pin shaft head positions the head of the pin shaft.
3. the cut-off knife mechanism of leather cutting machine according to claim 2, it is characterised in that: the relatively described dise knife of the nut
A side end face expand outwardly the brim of a hat for constituting the nut, and the diameter of the brim of a hat is identical as the diameter of the gasket.
4. the cut-off knife mechanism of leather cutting machine according to claim 2, it is characterised in that: the gasket and the pin shaft one
It is body formed.
5. the cut-off knife mechanism of leather cutting machine according to claim 2, it is characterised in that: the tight lock part also includes to be arranged
The pin shaft head the first elastic washer, be set in the head of the pin shaft for separating the locking nut and described the
The briquetting of one elastic washer.
6. the cut-off knife mechanism of leather cutting machine according to claim 5, it is characterised in that: the pin shaft is arranged with briquetting
Position inwardly collapse, and the card slot that position is collapsed for being caught in the pin shaft is offered on the briquetting.
7. the cut-off knife mechanism of leather cutting machine according to claim 6, it is characterised in that: the card slot is one with circular arc
U-lag, and the arc diameter of the U-lag be equal to the pin shaft collapse position diameter of section.
8. the cut-off knife mechanism of leather cutting machine according to claim 6, it is characterised in that: the briquetting faces away from described
The side of card slot extends, and the tight lock part also includes for the extension of the briquetting to be locked on the support portion
Clamping screw is set on the clamping screw for separating the second elastic washer of the briquetting and the support portion.
9. the cut-off knife mechanism of leather cutting machine according to claim 1, it is characterised in that: the locking assembly also includes to set
The bearing holder (housing, cover) set in the support portion and be set on the pin shaft.
10. the cut-off knife mechanism of leather cutting machine according to claim 1, it is characterised in that: the knife bar is for connecting institute
It states and offers a groove body on the side end face tool of support portion, and in groove body of the support portion comprising an insertion knife bar simultaneously
The vertical section that is fixedly connected with the knife bar, one be exposed to outside the knife handle and be used for and the tight lock part cooperates to the dise knife
The bending segment being locked；
Wherein, the bending segment area defined constitutes the installing zone of the cut-off knife ontology.
11. the cut-off knife mechanism of leather cutting machine according to claim 10, it is characterised in that: be additionally provided in the vertical section
N number of adjustment hole, and the N is natural number greater than 1, and is coaxially disposed from top to bottom, and be also provided on the knife bar and institute
State the big mounting hole such as adjustment hole；
Wherein, the mounting hole on the knife bar passes through lock-screw and is locked with any one adjustment hole.
12. the cut-off knife mechanism of leather cutting machine according to claim 11, it is characterised in that: the slot of the groove body of the knife bar
Bottom offers pilot hole, and is installed with guide rod in the upper pilot hole, and opens on the end face of the support portion vertical section
Equipped with the lower pilot hole for being inserted by the guide rod.
13. a kind of leather cutting machine, it is characterised in that: the leather cutting machine includes such as any one of claim 1 to 12
The cut-off knife mechanism of the leather cutting machine.
14. leather cutting machine according to claim 13, it is characterised in that: be additionally provided with limit on the knife handle of the cut-off knife mechanism
Position block, and be additionally provided on the cutter for being supported when the knife handle of the cut-off knife mechanism drops to final position from initial position
State the stopper of the limited block on knife handle in residence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610119390.3A CN105603131B (en) | 2016-03-02 | 2016-03-02 | The cut-off knife mechanism and leather cutting machine of leather cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610119390.3A CN105603131B (en) | 2016-03-02 | 2016-03-02 | The cut-off knife mechanism and leather cutting machine of leather cutting machine |
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| CN105603131A CN105603131A (en) | 2016-05-25 |
| CN105603131B true CN105603131B (en) | 2018-12-18 |
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| CN201610119390.3A Expired - Fee Related CN105603131B (en) | 2016-03-02 | 2016-03-02 | The cut-off knife mechanism and leather cutting machine of leather cutting machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192345B (en) * | 2016-07-14 | 2019-06-28 | 长园和鹰智能科技有限公司 | Multi-angle cutter with automatic compensation function |
| CN106702041A (en) * | 2016-12-05 | 2017-05-24 | 长园和鹰智能科技有限公司 | Cutting machine head and cutting machine |
| CN106695971A (en) * | 2016-12-05 | 2017-05-24 | 长园和鹰智能科技有限公司 | Cutter mechanism of cutting machine and cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7322775B2 (en) * | 2005-06-08 | 2008-01-29 | Van Horssen Charles A | Quick change holder for cutting tool |
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| US3477322A (en) * | 1966-09-21 | 1969-11-11 | Gerber Scientific Instr Co | Device for cutting sheet material |
| CN102601815A (en) * | 2012-03-05 | 2012-07-25 | 昆山华冠商标印刷有限公司 | Engraving and milling cutting device and method for cutting circles or continuously cutting multiple right angles by aid of device |
| CN102909738A (en) * | 2012-11-05 | 2013-02-06 | 宁波经纬数控设备有限公司 | Pneumatic rotary tool |
| CN204604397U (en) * | 2015-01-27 | 2015-09-02 | 青岛软控机电工程有限公司 | Cord cutting device |
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| CN105603131A (en) | 2016-05-25 |
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Effective date of registration: 20200528 Address after: 464000 jiulongling Industrial Park, Xinxian County, Xinyang City, Henan Province Patentee after: Changyuan Heying Technology (Henan) Co.,Ltd. Address before: 201100, E2, room 3304, 89 Xin Bang Road, Shanghai, Minhang District Patentee before: CYG YIN Intelligent Technology Co.,Ltd. |
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