CN110699940B - Double-blade cutting device - Google Patents
Double-blade cutting device Download PDFInfo
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- CN110699940B CN110699940B CN201910970126.4A CN201910970126A CN110699940B CN 110699940 B CN110699940 B CN 110699940B CN 201910970126 A CN201910970126 A CN 201910970126A CN 110699940 B CN110699940 B CN 110699940B
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- transmission mechanism
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- eccentric
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- 238000005520 cutting process Methods 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 135
- 238000004080 punching Methods 0.000 claims abstract description 100
- 239000002131 composite material Substances 0.000 claims description 32
- 230000033001 locomotion Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- 238000007493 shaping process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a double-blade cutting device, which comprises a mounting seat, wherein the mounting seat is provided with a rotary driving mechanism; the mounting seat is provided with a cutter body fixing seat, and a rotary connecting mechanism is arranged between the mounting seat and the cutter body fixing seat; the output shaft sleeve of the rotary driving mechanism is provided with a shaft sleeve, the shaft sleeve is connected with a first eccentric transmission mechanism and a second eccentric transmission mechanism, and the cutter body fixing seat is provided with the first transmission mechanism and the second transmission mechanism; the upper end of the first transmission mechanism is connected with the first eccentric transmission mechanism, and the lower end of the first transmission mechanism is connected with a first punching cutter; the lower end of the first punching cutter is positioned at the lower side of the cutter body fixing seat; the upper end of the second transmission mechanism is connected with a second eccentric transmission mechanism, and the lower end of the second transmission mechanism is connected with a second punching cutter; the lower end of the second punching cutter is positioned at the lower side of the cutter body fixing seat and is parallel and close to the first punching cutter; the invention aims to provide a double-blade cutting device which can continuously cut and improve cutting quality and efficiency.
Description
Technical Field
The invention relates to the field of cloth cutting equipment, in particular to a double-blade cutting device.
Background
At present, a vibrating knife is generally adopted to move up and down to cut cloth in the market. Most of the existing high-speed vibration cutting knives for processing flexible materials use single blades, and the single blades have cutting intervals due to up-and-down reciprocating motion in the cutting process, so that the problem that the appearance of the cut fabric is discontinuous is solved, and the cutting quality of the fabric is affected.
Disclosure of Invention
The invention aims to provide a double-blade cutting device which can continuously cut through the cooperation of a first punching cutter and a second punching cutter, so that the cutting quality and efficiency are improved.
To achieve the purpose, the invention adopts the following technical scheme: the double-blade cutting device comprises a mounting seat, wherein the mounting seat is provided with a rotary driving mechanism; the mounting seat is provided with a cutter body fixing seat, and a rotary connecting mechanism is arranged between the mounting seat and the cutter body fixing seat; the output shaft sleeve of the rotary driving mechanism is provided with a shaft sleeve, the shaft sleeve is connected with a first eccentric transmission mechanism and a second eccentric transmission mechanism, and the cutter body fixing seat is provided with a first transmission mechanism and a second transmission mechanism; the upper end of the first transmission mechanism is connected with the first eccentric transmission mechanism, and the lower end of the first transmission mechanism is connected with a first punching cutter; the lower end of the first punching cutter is positioned at the lower side of the cutter body fixing seat; the rotary driving mechanism drives the first punching cutter to do reciprocating motion in the vertical direction through a first eccentric transmission mechanism and the first transmission mechanism; the upper end of the second transmission mechanism is connected with the second eccentric transmission mechanism, and the lower end of the second transmission mechanism is connected with a second punching cutter; the lower end of the second punching cutter is positioned at the lower side of the cutter body fixing seat and is parallel and close to the first punching cutter; the rotary driving mechanism drives the second punching cutter to do reciprocating motion in the vertical direction through a second eccentric transmission mechanism and the second transmission mechanism; the eccentric track of the first eccentric transmission mechanism and the eccentric track of the second eccentric transmission mechanism are symmetrically distributed by taking the central axis of the shaft sleeve as a symmetrical line; when the first punching cutter is in a cutter lifting process, the second punching cutter is in a cutter discharging process, and when the first punching cutter is in a cutter discharging process, the second punching cutter is in a cutter lifting process.
Preferably, the shaft sleeve is provided with a first eccentric part, the first eccentric transmission mechanism comprises a first connecting sleeve and a first connecting strip, the first connecting sleeve is arranged on the periphery of the first eccentric part through a first bearing sleeve, the upper end of the first connecting strip is movably connected with the first connecting sleeve, and the lower end of the first connecting strip is connected with the upper end of the first transmission mechanism.
Preferably, the first transmission mechanism comprises a connecting seat, a first connecting hole, a first connecting nut, a first ring sleeve, a connecting rod and a first mounting assembly; the connecting seat is connected with the lower end of the first eccentric transmission mechanism, and the first connecting hole is formed in the lower end of the connecting seat; the first ring sleeve is arranged in the first connecting hole, the upper end of the connecting rod penetrates through the first ring sleeve and is in threaded connection with the first connecting nut, and the lower end of the connecting rod is connected with the first mounting assembly.
Preferably, a first cavity is axially arranged in the cutter body fixing seat, and a U-shaped notch is axially arranged at the lower end of the connecting rod; the first installation component comprises a first guide table, a first guide part, a first tool holder, a first abdication hole, a first threaded hole and a first locking screw; the first hole of stepping down is in on the first guide table and with the lower extreme cooperation of connecting rod, first cutter holder sets up in the U type breach, the upper end clamp of first punching cutter is established in the first cutter holder, the first guide table sets up in the first cavity, first guide part shaping is in on the first guide table, first screw hole is established in the first guide part and with first hole of stepping down is conducted and is connected, the one end of first locking screw passes behind the first screw hole top tightly first punching cutter.
Preferably, the shaft sleeve is provided with a second eccentric part, and the second eccentric part and the first eccentric part are symmetrically distributed by taking the central axis of the shaft sleeve as a symmetrical line; the second eccentric transmission mechanism comprises a second connecting sleeve and a second connecting strip, the second connecting sleeve is sleeved on the periphery of the second eccentric part through a second bearing, the upper end of the second connecting strip is movably connected with the second connecting sleeve, and the lower end of the second connecting strip is connected with the upper end of the second transmission mechanism.
Preferably, a mounting cavity is arranged in the cutter body fixing seat; the second transmission mechanism comprises a connecting pipe, a first composite sleeve, a second connecting nut, a mounting pipe fitting, a second annular sleeve, a guide pipe fitting, a second mounting assembly, a guide ring, a second composite sleeve and a third composite sleeve; the connecting pipe is sleeved on the periphery of the first transmission mechanism, the upper end of the connecting pipe is connected with the second eccentric transmission mechanism, the connecting pipe is arranged in the mounting cavity, and the first composite sleeve is clamped between the connecting pipe and the cutter body fixing seat; the second ring sleeve is arranged on the inner wall of the lower end of the connecting pipe, the upper end of the mounting pipe fitting penetrates through the second ring sleeve and is in threaded connection with the second connecting nut, the lower end of the mounting pipe fitting is in threaded connection with the upper end of the guiding pipe fitting, the mounting pipe fitting and the guiding pipe fitting are both sleeved on the periphery of the first transmission mechanism, and the lower end of the guiding pipe fitting is connected with the second mounting assembly; the guide ring is clamped between the cutter body fixing seat and the guide pipe fitting, the second composite sleeve is clamped between the guide ring and the guide pipe fitting, and the third composite sleeve is clamped between the guide pipe fitting and the first transmission mechanism.
Preferably, the upper end of connecting pipe is equipped with the spliced pole, the peripheral cover of spliced pole is equipped with guide bearing, the inner wall of mount pad is equipped with the deflector, be equipped with the bar hole along vertical direction in the deflector, when second drive mechanism slides from top to bottom, guide bearing follows the bar hole reciprocates.
Preferably, the cutter body fixing seat comprises a main body, a positioning sleeve, a guide seat, a partition plate, a second cavity and a fixing cover plate; the positioning sleeve is axially arranged in the main body, the positioning sleeve is connected with the mounting seat through the rotating connecting mechanism, the connecting pipe is arranged in the positioning sleeve, and the guide seat is fixed at the lower end of the main body through the fixed cover plate; the baffle sets up in the guide holder, the second cavity is located the downside of baffle, the second installation component is located in the second cavity.
Preferably, the second mounting assembly comprises a second guide table, a second guide part, a second tool holder, a yielding groove, a second yielding hole, a second threaded hole and a second locking screw; the second guide table is arranged in the second cavity, one end of the second guide table is connected with the lower end of the guide pipe fitting, and the second yielding hole is formed in the second guide table; the second cutter holder is arranged in the second abdication hole, the upper end of the second punching cutter is clamped in the second cutter holder, and the lower end of the second punching cutter penetrates through the fixed cover plate and then extends to the lower side of the fixed cover plate; the abdication groove is arranged in the second cutter holder, and the lower end of the first punching cutter penetrates through the abdication groove and then extends to the lower side of the fixed cover plate.
Preferably, a limiting step is formed on the outer wall of the upper part of the inner positioning sleeve, and a mounting ring is arranged at the lower end of the mounting seat; the rotary connecting mechanism comprises an upper nut seat, a first rotary bearing, a positioning ring, a second rotary bearing and a lower nut seat; the upper nut seat is in threaded connection with the upper end of the limit step, the lower nut seat is in threaded connection with the lower end of the mounting ring, the first rotating bearing, the positioning ring and the second rotating bearing are sequentially arranged between the upper nut seat and the lower nut seat from top to bottom, the first rotating bearing is rotationally connected between the inner positioning sleeve and the mounting ring, and the second rotating bearing is rotationally connected between the inner positioning sleeve and the mounting ring; the first composite sleeve is clamped between the positioning sleeve and the connecting pipe.
According to the cloth cutting machine, the structure is adopted, the first eccentric transmission mechanism and the first transmission mechanism drive the first punching cutter to perform cutting movement, the second eccentric transmission mechanism and the second transmission mechanism drive the second punching cutter to perform cutting movement, and the first punching cutter and the second punching cutter are matched to perform continuous cutting on the cloth, so that cutting intervals are eliminated, and the cutting quality of the cloth is improved. Simultaneously, through cutter body fixing base, first drive mechanism and second drive mechanism cooperation, play good guide effect to first die-cut sword and second die-cut sword, can prevent effectively that two from taking place the skew when cutting, the difficult emergence deformation of die-cut sword has improved the life of die-cut sword.
Drawings
The present invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial enlarged view at B in FIG. 2;
FIG. 5 is a schematic perspective view of a first eccentric drive mechanism and a second eccentric drive mechanism of the present invention;
FIG. 6 is a schematic perspective view of a second transmission mechanism of the present invention;
FIG. 7 is a schematic perspective view of a first transmission mechanism of the present invention;
FIG. 8 is a schematic cross-sectional view of a guide shoe of the present invention;
Fig. 9 is a schematic cross-sectional view of the sleeve of the present invention.
Wherein: the cutter comprises a mounting seat 1, a rotary driving mechanism 2, a cutter body fixing seat 3, a main body 3a, an inner positioning sleeve 3b, a guide seat 3c, a partition plate 3d and a fixing cover plate 3e;
The rotary connecting mechanism 4, the upper nut seat 4a, the first rotary bearing 4b, the positioning ring 4c, the second rotary bearing 4d and the lower nut seat 4e;
a sleeve 5, a first eccentric portion 5a, a second eccentric portion 5b;
A first eccentric transmission mechanism 6, a first connecting sleeve 6a and a first connecting strip 6b;
a second eccentric transmission mechanism 7, a second connecting sleeve 7a and a second connecting bar 7b;
The first transmission mechanism 8, the connecting seat 8a, the first connecting screw cap 8b, the first annular sleeve 8c, the connecting rod 8d, the first installation component 8e, the first guide table 8f, the first tool holder 8g and the first abdication hole 8h;
the second transmission mechanism 9, the connecting pipe 9a, the first composite sleeve 9b, the second connecting nut 9c, the mounting pipe 9d, the second annular sleeve 9e, the guide pipe 9f, the second mounting assembly 9g, the guide ring 9h, the second composite sleeve 9i, the third composite sleeve 9j, the second guide table 9k, the second tool holder 9l and the second abdication hole 9m;
the first punching cutter 10, the second punching cutter 11, the connecting column 12, the guide plate 13, the strip-shaped hole 13a and the mounting ring 14.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 9, a dual-blade cutting device of the present embodiment includes a mounting base 1, and the mounting base 1 is provided with a rotation driving mechanism 2.
The mounting seat 1 is provided with a cutter body fixing seat 3, and a rotary connecting mechanism 4 is arranged between the mounting seat 1 and the cutter body fixing seat 3.
The output shaft sleeve of the rotary driving mechanism 2 is provided with a shaft sleeve 5, the shaft sleeve 5 is connected with a first eccentric transmission mechanism 6 and a second eccentric transmission mechanism 7, and the cutter body fixing seat 3 is provided with a first transmission mechanism 8 and a second transmission mechanism 9.
The upper end of the first transmission mechanism 8 is connected with the first eccentric transmission mechanism 6, and the lower end of the first transmission mechanism 8 is connected with a first punching cutter 10.
The lower end of the first punching cutter 10 is positioned at the lower side of the cutter body fixing seat 3.
The rotary driving mechanism 2 drives the first punching cutter 10 to do vertical reciprocating motion through the first eccentric transmission mechanism 6 and the first transmission mechanism 8.
The upper end of the second transmission mechanism 9 is connected with the second eccentric transmission mechanism 7, and the lower end of the second transmission mechanism 9 is connected with a second punching cutter 11.
The lower end of the second punching cutter 11 is located at the lower side of the cutter body fixing seat 3 and is close to the first punching cutter 10 in parallel.
The rotary driving mechanism 2 drives the second punching cutter 11 to do reciprocating motion in the vertical direction through the second eccentric transmission mechanism 7 and the second transmission mechanism 9.
The eccentric track of the first eccentric transmission mechanism 6 and the eccentric track of the second eccentric transmission mechanism 7 are symmetrically distributed by taking the central axis of the shaft sleeve 5 as a symmetrical line.
When the first punching cutter 10 is in the cutter lifting process, the second punching cutter 11 is in the cutter lowering process, and when the first punching cutter 10 is in the cutter lowering process, the second punching cutter 11 is in the cutter lifting process.
With this structure, the rotation driving mechanism 2 is a motor. The cutter body fixing seat 3 rotates along the axial direction, and the central axis of the cutter body fixing seat 3 is mutually perpendicular to the central axis of the output shaft of the rotary driving mechanism.
The eccentric amplitude of the first eccentric transmission mechanism 6 and the second eccentric transmission mechanism 7 is 1.2-1.8.
The first punching cutter 10 is driven by the rotary driving mechanism 2, the first eccentric transmission mechanism 6 and the first transmission mechanism 8 to reciprocate in the vertical direction so as to cut the cloth. Simultaneously, the second punching cutter 11 is driven by the rotary driving mechanism 2, the second eccentric transmission mechanism 7 and the second transmission mechanism 9 to do reciprocating motion in the vertical direction, and the cloth is cut again. The cutter body fixing seat 3, the first transmission mechanism 8 and the second transmission mechanism 9 provide good guiding effect for the two punching cutters, so that the two punching cutters can move along the vertical direction, and the punching cutters are not easy to deform and move during cutting.
The first eccentric transmission mechanism 6 and the second eccentric transmission mechanism 7 are arranged to be symmetrical eccentric tracks relative to the shaft sleeve 5, so that the action of the first punching cutter 10 is opposite to the action of the second punching cutter 11. For example, when the farthest end of the eccentric portion of the first eccentric transmission mechanism 6 is located at the lowermost side of the sleeve 5, the farthest end of the eccentric portion of the second eccentric transmission mechanism 7 is located at the uppermost side of the sleeve 5.
The first punching cutter 10 and the second punching cutter are matched through the first eccentric transmission mechanism 6 and the second eccentric transmission mechanism 7
The second punching cutter 11 realizes a continuous cutting mode up and down, achieves the aim of continuously cutting cloth, ensures the continuity of cutting, eliminates cutting gaps, improves the cutting quality and reduces the reject ratio of the cloth.
Referring to fig. 5 and 9, the shaft sleeve 5 is provided with a first eccentric portion 5a, the first eccentric transmission mechanism 6 includes a first connecting sleeve 6a and a first connecting strip 6b, the first connecting sleeve 6a is sleeved on the periphery of the first eccentric portion 5a through a first bearing, the upper end of the first connecting strip 6b is movably connected with the first connecting sleeve 6a, and the lower end of the first connecting strip 6b is connected with the upper end of the first transmission mechanism 8.
With this structure, when the rotary driving mechanism 2 rotates, the shaft sleeve 5 is driven to rotate, the shaft sleeve 5 drives the first connecting sleeve 6a to make eccentric motion through the first eccentric part 5a, and as the first connecting strip 6b is movably connected with the first connecting sleeve 6a, the deflection of the eccentric motion along the horizontal direction can be released, therefore, when the first connecting sleeve 6a makes eccentric motion, the first connecting strip 6b is driven to make reciprocating motion along the vertical direction, and the first punching cutter 10 is driven to make reciprocating motion along the vertical direction through the first transmission mechanism 8, so as to realize the purpose of high-speed vibration cutting.
Referring to fig. 3 and 5 to 8, the first transmission mechanism 8 includes a connecting seat 8a, a first connecting hole, a first connecting nut 8b, a first ring sleeve 8c, a connecting rod 8d and a first mounting assembly 8e.
The connecting seat 8a is connected with the lower end of the first eccentric transmission mechanism 6, and the first connecting hole is formed in the lower end of the connecting seat 8 a.
The first ring sleeve 8c is disposed in the first connection hole, the upper end of the connecting rod 8d passes through the first ring sleeve 8c and is in threaded connection with the first connection nut 8b, and the lower end of the connecting rod 8d is connected with the first installation component 8 e.
With this structure, the first collar 8c is disposed in the first connecting hole, and the upper end of the connecting rod 8d is fixedly connected to the first connecting nut 8b, so that the connecting rod 8d can axially rotate. For ease of machining and installation, the connecting rod 8d includes an upper connecting piece, a middle connecting piece and a lower connecting piece connected in this order from top to bottom.
When the cutter body fixing seat 3 rotates, the connecting rod 8d, the first mounting assembly 8e and the first punching cutter 10 rotate along with the cutter body fixing seat 3, relative sliding is generated between the first annular sleeve 8c and the connecting rod 8d, and axial rotation capacity is provided for the connecting rod 8d, the first mounting assembly 8e and the first punching cutter 10. When the cutting angle of the first punching cutter 10 is adjusted through the cutter body fixing seat 3, the structure can keep stable transmission of the first eccentric transmission mechanism 6 and the first punching cutter 10, so that the first punching cutter 10 has good and stable cutting effect, and the cutter body fixing seat 3 and the first punching cutter 10 do not need to be stopped for adjustment.
Referring to fig. 3, 5 to 8, a first cavity is axially disposed in the cutter body fixing seat 3, and a U-shaped notch is axially disposed at the lower end of the connecting rod 8 d.
The first mounting assembly 8e includes a first guide table 8f, a first guide portion, a first tool holder 8g, a first relief hole 8h, a first threaded hole, and a first locking screw.
The first hole 8h of stepping down is in on the first guide table 8f and with the lower extreme cooperation of connecting rod 8d, first cutter holder 8g sets up in the U type breach, the upper end clamp of first punching cutter 10 is established in the first cutter holder 8g, first guide table 8f sets up in the first cavity, first guide shaping is in on the first guide table 8f, first screw hole is established in the first guide and with first hole 8h of stepping down switches on and connects, the one end of first locking screw passes behind the first screw hole top tightly first punching cutter 10.
By adopting the structure, the first cavity is arranged at the lower end of the cutter body fixing seat 3, and the first cavity provides a guiding function in the vertical direction for the first guiding table 8f, so that the first guiding table 8f can do reciprocating motion in the vertical direction in the first cavity. The first hole 8h of stepping down provides the effect of stepping down for connecting rod 8 d's lower extreme and first punching cutter 10, makes things convenient for connecting rod 8d and first punching cutter 10 to carry out the removal of vertical direction, and first hole and first screw hole switch-on connection of stepping down simultaneously, the tip of first locking screw pass behind the first screw hole with first cutter holder 8g cooperation fixed first punching cutter 10, fixed effectual has good guide effect, prevents that first punching cutter 10 from moving when reciprocating.
Referring to fig. 5 and 9, the shaft sleeve 5 is provided with a second eccentric portion 5b, and the second eccentric portion 5b and the first eccentric portion 5a are symmetrically distributed with the central axis of the shaft sleeve 5 as a symmetry line.
The second eccentric transmission mechanism 7 comprises a second connecting sleeve 7a and a second connecting strip 7b, the second connecting sleeve 7a is sleeved on the periphery of the second eccentric part 5b through a second bearing, the upper end of the second connecting strip 7b is movably connected with the second connecting sleeve 7a, and the lower end of the second connecting strip 7b is connected with the upper end of the second transmission mechanism 9.
With this structure, the second eccentric portion 5b and the first eccentric portion 5a are symmetrically distributed along the central axis of the boss 5, that is, the projections of the first eccentric portion 5a and the second eccentric portion 5b along the axial direction of the boss 5 are symmetrically distributed with the center of the boss 5 as a symmetrical point.
The rotation driving mechanism 2 drives the shaft sleeve 5 to rotate when rotating, the shaft sleeve 5 drives the second connecting sleeve 7a to do eccentric motion through the second eccentric part 5b, and the second connecting strip 7b is movably connected with the second connecting sleeve 7a, so that deflection of the eccentric motion along the horizontal direction can be released, and when the second connecting sleeve 7a does eccentric motion, the second connecting strip 7b is driven to do reciprocating motion along the vertical direction, and the second punching cutter 11 is driven to do reciprocating motion along the vertical direction through the second transmission mechanism 9, so that the purpose of high-speed vibration cutting is realized.
Meanwhile, the symmetrical distribution structure of the first eccentric part 5a and the second eccentric part 5b can ensure that the first punching cutter 10 and the second punching cutter 11 keep a top-to-bottom matching mode, and the purpose of continuous and efficient cutting is achieved.
Referring to fig. 3 to 6 and 8, the cutter body fixing seat is provided with an installation cavity.
The second transmission mechanism 9 comprises a connecting pipe 9a, a first composite sleeve 9b, a second connecting nut 9c, a mounting pipe 9d, a second annular sleeve 9e, a guide pipe 9f, a second mounting assembly 9g, a guide ring 9h, a second composite sleeve 9i and a third composite sleeve 9j.
The connecting pipe 9a is sleeved on the periphery of the first transmission mechanism 8, the upper end of the connecting pipe 9a is connected with the second eccentric transmission mechanism 7, the connecting pipe 9a is arranged in the mounting cavity, and the first composite sleeve 9b is clamped between the connecting pipe 9a and the cutter body fixing seat 3.
The second ring sleeve 9e is arranged on the inner wall of the lower end of the connecting pipe 9a, the upper end of the installation pipe fitting 9d penetrates through the second ring sleeve 9e and then is in threaded connection with the second connecting nut 9c, the lower end of the installation pipe fitting 9d is in threaded connection with the upper end of the guide pipe fitting 9f, the installation pipe fitting 9d and the guide pipe fitting 9f are sleeved on the periphery of the first transmission mechanism 8, and the lower end of the guide pipe fitting 9f is connected with the second installation assembly 9 g.
The guide ring 9h is clamped between the cutter body fixing seat 3 and the guide pipe fitting 9f, the second composite sleeve 9i is clamped between the guide ring 9h and the guide pipe fitting 9f, and the third composite sleeve 9j is clamped between the guide pipe fitting 9f and the first transmission mechanism 8.
With this structure, the connecting pipe 9a is driven by the second transmission mechanism 9 to slide in the vertical direction in the installation cavity, and the first composite sleeve 9b provides a good guiding effect for the connecting pipe 9a, and does not affect the up-and-down sliding of the connecting pipe 9 a. The connecting pipe 9a is sleeved on the periphery of the first transmission mechanism 8, and specifically, the connecting pipe 9a is sleeved on the periphery of the connecting rod 8 d.
The guide ring 9h and the second composite sleeve 9i cooperate to provide good guide effect for the guide pipe fitting 9f, and the guide pipe fitting 9f can slide up and down conveniently. The third composite sleeve 9j is provided with two, one is positioned between the upper end of the first transmission mechanism 8 and the connecting pipe 8a, the other is positioned between the lower end of the first transmission mechanism 8 and the connecting pipe 8a, and the third composite sleeve 9j provides a good guiding effect for the first transmission mechanism 8.
In the using process of the first composite sleeve 9b, the second composite sleeve 9i and the third composite sleeve 9j, lubricating oil is not required to be added, and the maintenance of the device is convenient.
The guiding tube 9f includes a top tube, a connecting portion, and a bottom tube, where the top tube is screwed with the mounting tube 9d, and the connecting portion and the bottom tube are perpendicular to each other and cooperate to provide a space for letting down for the first transmission mechanism 8.
When the cutter body fixing seat 3 rotates, the guide pipe fitting 9f and the second installation component 9g rotate along with the cutter body fixing seat 3, and relative sliding is generated between the upper end of the installation pipe fitting 9d and the second annular sleeve 9e, so that the axial rotation capacity of the guide pipe fitting 9f is provided. When the cutting angle of the second punching cutter 11 is adjusted, the structure can keep stable transmission between the second transmission mechanism 9 and the second punching cutter 11, so that the second punching cutter 11 has good and stable cutting effect, and the cutter body fixing seat 3 and the second punching cutter 11 do not need to be stopped for adjustment.
Referring to fig. 2,3 and 5, the upper end of the connecting pipe 9a is provided with a connecting post 12, a guiding bearing is sleeved on the periphery of the connecting post 12, a guiding plate 13 is arranged on the inner wall of the mounting seat 1, a bar-shaped hole 13a is arranged in the guiding plate 13 along the vertical direction, and the guiding bearing moves up and down along the bar-shaped hole 13a when the second transmission mechanism 9 slides up and down.
By adopting the structure, the connecting pipe 9a is guided vertically by the cooperation of the connecting column 12, the guide bearing and the strip-shaped hole 13a on the guide plate 13, so that the connecting pipe 9a is more stable when sliding up and down, and the cutting stability of the second punching cutter 11 is ensured.
Referring to fig. 2,5, 7 and 8, the cutter body fixing seat 3 includes a main body 3a, an inner positioning sleeve 3b, a guide seat 3c, a partition plate 3d, a second cavity and a fixing cover plate 3e.
The positioning sleeve 3b is axially arranged in the main body 3a, the positioning sleeve 3b is connected with the mounting seat 1 through the rotary connecting mechanism 4, the connecting pipe 9a is arranged in the positioning sleeve 3b, and the guide seat 3c is fixed at the lower end of the main body 3a through the fixed cover plate 3 e.
The partition plate 3d is arranged in the guide seat 3c,
The second cavity is located at the lower side of the partition plate 3d, and the second mounting assembly 9g is located in the second cavity.
With this structure, the first cavity is located on the upper side of the partition plate 3d, the first guide table 8f is provided in the first cavity, and the lower end of the connecting rod 8d is inserted into the guide seat 3c and connected to the first guide table 8 f.
The first guide table 8f is guided by the first cavity, so that the first punching cutter 10 is conveniently guided. The second mounting assembly 9g is guided through the second cavity, so that the second punching cutter 11 is conveniently guided. The first punching cutter 10 and the second punching cutter 11 can move along the vertical direction, so that a good guiding effect is achieved, and the punching cutters are prevented from deviating.
The installation cavity is formed by the inner wall of the positioning sleeve 3b and the inner wall of the main body 3a in a matching way, and the connecting pipe 9a is arranged in the installation cavity.
Referring to fig. 5, 6 and 8, the second mounting assembly 9g includes a second guide table 9k, a second guide portion, a second tool holder 9l, a relief groove, a second relief hole 9m, a second threaded hole and a second locking screw.
The second guiding table 9k is arranged in the second cavity, one end of the second guiding table 9k is connected with the lower end of the guiding pipe fitting 9f, and the second yielding hole 9m is formed in the second guiding table 9k.
The second cutter holder 9l is disposed in the second relief hole 9m, the upper end of the second punching cutter 11 is clamped in the second cutter holder 9l, and the lower end of the second punching cutter 11 extends to the lower side of the fixed cover plate 3e after passing through the fixed cover plate 3 e.
The relief groove is formed in the second tool holder 9l, and the lower end of the first punching blade 10 passes through the relief groove and then extends to the lower side of the fixed cover plate 3 e.
With this structure, the second cavity provides a good guiding action for the second guiding stage 9 k. The second guide table 9k is driven by the connecting pipe 9a to reciprocate in the vertical direction in the second cavity, so that the second punching cutter 11 is driven to vibrate up and down and cut the cloth. The second cutter holder 9l is fixed with the second locking screw cooperation second and dashes cutter 11, and the groove of stepping down on the second cutter holder 9l provides the position of stepping down for first cutter 10, and the lower extreme that first cutter 10 passed the groove of stepping down and then extended to the downside of fixed apron 3e, and this kind of structure can reduce the clearance that first cutter 10 and second were punched cutter 11, can guarantee simultaneously that first cutter 10 and second were punched cutter 11 keep parallel, and first cutter 10 and second were punched cutter 11 and are cooperated one by one and carry out continuous inseparable cutting to the cloth.
Referring to fig. 3 and 5, a limiting step is formed on the outer wall of the upper portion of the positioning sleeve 3b, and a mounting ring 14 is disposed at the lower end of the mounting seat 1.
The rotary connecting mechanism 4 includes an upper nut seat 4a, a first rotary bearing 4b, a positioning ring 4c, a second rotary bearing 4d, and a lower nut seat 4e.
The upper nut seat 4a is in threaded connection with the upper end of the limit step, the lower nut seat 4e is in threaded connection with the lower end of the mounting ring 14, the first rotating bearing 4b, the positioning ring 4c and the second rotating bearing 4d are sequentially arranged between the upper nut seat 4a and the lower nut seat 4e from top to bottom, the first rotating bearing 4b is rotationally connected between the inner positioning sleeve 3b and the mounting ring 14, and the second rotating bearing 4d is rotationally connected between the inner positioning sleeve 3b and the mounting ring 14.
The first composite sleeve 9b is sandwiched between the inner positioning sleeve 3b and the connecting pipe 9 a.
With this structure, the upper nut seat 4a and the lower nut seat 4e cooperate to fix the first rotary bearing 4b, the positioning ring 4c and the second rotary bearing 4d between the inner positioning sleeve 3b and the mounting ring 14, and the flexible rotation of the inner positioning sleeve 3b and the mounting ring 14 is achieved by the first rotary bearing 4b and the second rotary bearing 4 d. The positioning ring 4c is clamped between the first rotating bearing 4b and the second rotating bearing 4d to play a role in positioning, the lower end of the positioning ring 4c is matched with the lower nut seat 4e to fix the second rotating bearing 4d, and the upper end of the positioning ring 4c is matched with the upper nut seat 4a to fix the first rotating bearing. This structure enables a stable and flexible rotation effect between the inner positioning sleeve 3b and the mounting ring 14. The first composite sleeve 9b enables the connection tube 9a to slide within the inner positioning sleeve 3 b.
During operation, the rotary driving mechanism 2 drives the first eccentric transmission mechanism 6 and the second eccentric transmission mechanism 7 to rotate, the first eccentric transmission mechanism 6 drives the first punching cutter 10 to move up and down through the first transmission mechanism 8, the second eccentric transmission mechanism 7 drives the second punching cutter 11 to move up and down through the second transmission mechanism 9, and the first punching cutter 10 and the second punching cutter 11 cooperate up and down to cut cloth, so that the aim of continuous cutting is fulfilled, and the cutting quality of the cloth is improved.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (5)
1. The double-blade cutting device comprises a mounting seat and is characterized in that the mounting seat is provided with a rotary driving mechanism;
the mounting seat is provided with a cutter body fixing seat, and a rotary connecting mechanism is arranged between the mounting seat and the cutter body fixing seat;
the output shaft sleeve of the rotary driving mechanism is provided with a shaft sleeve, the shaft sleeve is connected with a first eccentric transmission mechanism and a second eccentric transmission mechanism, and the cutter body fixing seat is provided with a first transmission mechanism and a second transmission mechanism;
The upper end of the first transmission mechanism is connected with the first eccentric transmission mechanism, and the lower end of the first transmission mechanism is connected with a first punching cutter;
the lower end of the first punching cutter is positioned at the lower side of the cutter body fixing seat;
the rotary driving mechanism drives the first punching cutter to do reciprocating motion in the vertical direction through a first eccentric transmission mechanism and the first transmission mechanism;
The upper end of the second transmission mechanism is connected with the second eccentric transmission mechanism, and the lower end of the second transmission mechanism is connected with a second punching cutter;
The lower end of the second punching cutter is positioned at the lower side of the cutter body fixing seat and is parallel and close to the first punching cutter;
The rotary driving mechanism drives the second punching cutter to do reciprocating motion in the vertical direction through a second eccentric transmission mechanism and the second transmission mechanism;
The eccentric track of the first eccentric transmission mechanism and the eccentric track of the second eccentric transmission mechanism are symmetrically distributed by taking the central axis of the shaft sleeve as a symmetrical line;
When the first punching cutter is in a cutter lifting process, the second punching cutter is in a cutter discharging process, and when the first punching cutter is in a cutter discharging process, the second punching cutter is in a cutter lifting process;
The shaft sleeve is provided with a first eccentric part, the first eccentric transmission mechanism comprises a first connecting sleeve and a first connecting strip, the first connecting sleeve is sleeved on the periphery of the first eccentric part through a first bearing, the upper end of the first connecting strip is movably connected with the first connecting sleeve, and the lower end of the first connecting strip is connected with the upper end of the first transmission mechanism;
The first transmission mechanism comprises a connecting seat, a first connecting hole, a first connecting nut, a first ring sleeve, a connecting rod and a first installation component;
the connecting seat is connected with the lower end of the first eccentric transmission mechanism, and the first connecting hole is formed in the lower end of the connecting seat;
The first ring sleeve is arranged in the first connecting hole, the upper end of the connecting rod penetrates through the first ring sleeve and is in threaded connection with the first connecting nut, and the lower end of the connecting rod is connected with the first mounting assembly;
a first cavity is axially arranged in the cutter body fixing seat, and a U-shaped notch is axially arranged at the lower end of the connecting rod;
the first installation component comprises a first guide table, a first guide part, a first tool holder, a first abdication hole, a first threaded hole and a first locking screw;
The first abdication hole is arranged on the first guide table and is matched with the lower end of the connecting rod, the first cutter holder is arranged in the U-shaped notch, the upper end of the first punching cutter is clamped in the first cutter holder, the first guide table is arranged in the first cavity, the first guide part is formed on the first guide table, the first threaded hole is arranged in the first guide part and is in conductive connection with the first abdication hole, and one end of the first locking screw passes through the first threaded hole and then abuts against the first punching cutter;
The shaft sleeve is provided with a second eccentric part, and the second eccentric part and the first eccentric part are symmetrically distributed by taking the central axis of the shaft sleeve as a symmetrical line;
the second eccentric transmission mechanism comprises a second connecting sleeve and a second connecting strip, the second connecting sleeve is sleeved on the periphery of the second eccentric part through a second bearing, the upper end of the second connecting strip is movably connected with the second connecting sleeve, and the lower end of the second connecting strip is connected with the upper end of the second transmission mechanism;
a mounting cavity is arranged in the cutter body fixing seat;
The second transmission mechanism comprises a connecting pipe, a first composite sleeve, a second connecting nut, a mounting pipe fitting, a second annular sleeve, a guide pipe fitting, a second mounting assembly, a guide ring, a second composite sleeve and a third composite sleeve;
The connecting pipe is sleeved on the periphery of the first transmission mechanism, the upper end of the connecting pipe is connected with the second eccentric transmission mechanism, the connecting pipe is arranged in the mounting cavity, and the first composite sleeve is clamped between the connecting pipe and the cutter body fixing seat;
the second ring sleeve is arranged on the inner wall of the lower end of the connecting pipe, the upper end of the mounting pipe fitting penetrates through the second ring sleeve and is in threaded connection with the second connecting nut, the lower end of the mounting pipe fitting is in threaded connection with the upper end of the guiding pipe fitting, the mounting pipe fitting and the guiding pipe fitting are both sleeved on the periphery of the first transmission mechanism, and the lower end of the guiding pipe fitting is connected with the second mounting assembly;
the guide ring is clamped between the cutter body fixing seat and the guide pipe fitting, the second composite sleeve is clamped between the guide ring and the guide pipe fitting, and the third composite sleeve is clamped between the guide pipe fitting and the first transmission mechanism.
2. The double-blade cutting device according to claim 1, wherein a connecting column is arranged at the upper end of the connecting pipe, a guide bearing is sleeved on the periphery of the connecting column, a guide plate is arranged on the inner wall of the mounting seat, a strip-shaped hole is formed in the guide plate in the vertical direction, and the guide bearing moves up and down along the strip-shaped hole when the second transmission mechanism slides up and down.
3. The double-blade cutting device according to claim 1, wherein the blade fixing seat comprises a main body, a positioning sleeve, a guide seat, a partition plate, a second cavity and a fixing cover plate;
The positioning sleeve is axially arranged in the main body, the positioning sleeve is connected with the mounting seat through the rotating connecting mechanism, the connecting pipe is arranged in the positioning sleeve, and the guide seat is fixed at the lower end of the main body through the fixed cover plate;
the baffle sets up in the guide holder, the second cavity is located the downside of baffle, the second installation component is located in the second cavity.
4. A dual blade cutting assembly as recited in claim 3 wherein the second mounting assembly includes a second guide table, a second guide portion, a second toolholder, a relief slot, a second relief hole, a second threaded hole, and a second locking screw;
the second guide table is arranged in the second cavity, one end of the second guide table is connected with the lower end of the guide pipe fitting, and the second abdication hole is arranged in the second guide table;
The second cutter holder is arranged in the second abdication hole, the upper end of the second punching cutter is clamped in the second cutter holder, and the lower end of the second punching cutter penetrates through the fixed cover plate and then extends to the lower side of the fixed cover plate;
The abdication groove is arranged in the second cutter holder, and the lower end of the first punching cutter penetrates through the abdication groove and then extends to the lower side of the fixed cover plate.
5. The double-blade cutting device according to claim 4, wherein the upper outer wall of the inner positioning sleeve is formed with a limit step, and the lower end of the mounting seat is provided with a mounting ring;
The rotary connecting mechanism comprises an upper nut seat, a first rotary bearing, a positioning ring, a second rotary bearing and a lower nut seat;
The upper nut seat is in threaded connection with the upper end of the limit step, the lower nut seat is in threaded connection with the lower end of the mounting ring, the first rotating bearing, the positioning ring and the second rotating bearing are sequentially arranged between the upper nut seat and the lower nut seat from top to bottom, the first rotating bearing is rotationally connected between the inner positioning sleeve and the mounting ring, and the second rotating bearing is rotationally connected between the inner positioning sleeve and the mounting ring;
The first composite sleeve is clamped between the positioning sleeve and the connecting pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970126.4A CN110699940B (en) | 2019-10-12 | 2019-10-12 | Double-blade cutting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970126.4A CN110699940B (en) | 2019-10-12 | 2019-10-12 | Double-blade cutting device |
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| CN110699940B true CN110699940B (en) | 2024-06-11 |
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| CN102002845A (en) * | 2010-11-26 | 2011-04-06 | 厦门易凯得工贸有限公司 | Double-blade cutting machine |
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| CN110699940A (en) | 2020-01-17 |
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