CN209616495U

CN209616495U - Draw cutter mechanism

Info

Publication number: CN209616495U
Application number: CN201822277289.8U
Authority: CN
Inventors: 张昊; 梁锡沛
Original assignee: Foshan Daken Packaging Machinery Co Ltd
Current assignee: Foshan Daken Packaging Machinery Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-11-12
Anticipated expiration: 2028-12-29

Abstract

The utility model relates to a kind of traction cutter mechanism, including mounting base, mounting base be equipped with main shaft and driven by main shaft and set gradually main traction component, cut component, auxiliary traction component；Cutting component includes dynamic moving knife component and stationary knife component, and moving knife component includes moving knife axis body, and axially extending moving knife is equipped on moving knife axis body, and the blade of moving knife extends moving knife axis body；Stationary knife component includes tool apron, the stationary knife for being fixed on tool apron；The rotation axis of the stationary knife and moving knife axis body tilts, and the cutting edge of moving knife and the cutting edge of stationary knife are mutually inclined, and when cutting, the two point contact keeps the impact force in cutting process smaller, it is ensured that cuts the stabilization of process；And the spacing for drawing cutter mechanism relative to paster cylinder mechanism is adjustable, and the hauling speed of main traction mechanism is adjustable, can be used for processing the valve port paper of different length.

Description

Draw cutter mechanism

Technical field

The utility model relates to the technical fields of paper bag processing, more particularly, to a kind of traction cutter mechanism.

Background technique

The paper bag of filling particle, powder class product needs to process a valve port, the inside of valve port and paper bag the one of paper bag Connection, material are directly poured into paper bag by valve port；In order to increase the hardness of valve port position, one layer is attached usually on the inside of valve port Valve port paper.During paper bag is automated and processed, the valve port paper of corresponding length is cut into the paper tape paper of strip, is attached at The corresponding position of paper bag.Paper bag generallys use the vertical quickly tangential paper tape of cutter, this cutting method impact when tearing open and cutting Power is larger, runs not stable enough.

Utility model content

The purpose of the utility model is to provide a kind of traction cutter mechanisms, when cutting, moving knife and stationary knife point contact, Keep the impact force in cutting process smaller, it is ensured that cut the stabilization of process.

The above-mentioned purpose of utility model of the utility model has the technical scheme that a kind of traction cutter Mechanism, including mounting base, mounting base be equipped with main shaft and driven by main shaft and set gradually main traction component, sanction Cut component, auxiliary traction component；Cutting component includes dynamic moving knife component and stationary knife component, and moving knife component includes moving knife axis body, is moved Axially extending moving knife is installed, the blade of moving knife extends moving knife axis body on cutter shaft body；Stationary knife component includes tool apron, is fixed on The stationary knife of tool apron；The rotation axis of the stationary knife and moving knife axis body tilts.

By using above-mentioned technical proposal, main shaft drives main traction component, cuts component, auxiliary traction component synchronization Movement, main traction component at the uniform velocity advance with auxiliary traction Component driver paper tape；The cutting edge of moving knife and the cutting edge of stationary knife are mutual Inclination, when cutting, moving knife and stationary knife point contact keep the impact force in cutting process smaller, it is ensured that cut the steady of process It is fixed.

The utility model is further arranged to: mounting base is equipped with active conjugate tooth and driven conjugate tooth, is actively conjugated By toothed belt transmission between gear and main shaft, driven conjugate tooth is fixed with moving knife axis body.

By using above-mentioned technical proposal, main shaft drives main conjugate tooth to rotate by belt, main conjugate tooth with Driven conjugate tooth transmission, the characteristic being driven by conjugate tooth can make the non-rotation at the uniform velocity of movable arbor body, when driven conjugation When gear is engaged close to the part of rotation center with active conjugate tooth, the angular speed of driven conjugate cam is most fast, at this time moving knife Just start to contact with stationary knife, to quickly cut off paper tape, that cuts off is high-quality, without increasing transmission speed Under the premise of be rapidly completed paper tape cut.

The utility model is further arranged to: the cutting edge of the moving knife is provided with to form easy-torn line on paper bag Several notches.

By using above-mentioned technical proposal, the notch of moving knife makes paper tape not exclusively quilt for forming easy-torn line on paper tape Cutting transmits convenient for the duration of paper tape.

The utility model is further arranged to, and the main traction component includes the main traction roller that surface has annular knurl, and It is pressed in the main pressure roller of main traction roller surface；Speed-regulation component is equipped between the main shaft and main traction roller.

By using the speed that above-mentioned technical proposal, Speed-regulation component convey for changing paper tape, that is, pass through traction speed The variation of degree adjusts the length of each section of valve port paper, and paper bag valve port processing unit (plant) is made to can adapt to the paper of more multi-specification.

The utility model is further arranged to, and the Speed-regulation component includes detachably being set on main shaft Active traction gear, main traction roller are equipped with driven traction gear and the adjusting support plate with driven traction gear coaxial rotating, It adjusts support plate and is equipped with the transition gear engaged with active traction gear, driven traction gear；It adjusts support plate and is provided with arc Regulating tank, the center of circle of arc regulating tank is located on the rotation axis of main traction roller, is equipped with and is used for and mounting base in regulating tank The adjusting screw of locking.

By using above-mentioned technical proposal, the active traction gear on main shaft is replaceable, according to required revolving speed, Different size of active traction gear is replaced, to change the transmission ratio between main shaft and main traction roller；Active traction teeth After the size of wheel changes, by rotating adjustable plate, engages transition gear with active traction gear after replacement, realize kinetic energy Effective transmitting.

The utility model is further arranged to, and stationary knife component includes tool apron, the stationary knife for being fixed on tool apron；If tool apron is fixed with Dry supporting block, the upper surface of supporting block are equipped with two groups of paper platforms, and two groups of paper platforms are located at the two sides of stationary knife.

By using above-mentioned technical proposal, paper platform is used to carry out support to the paper tape of top, reduces paper tape under by gravity It hangs down, and influences moving knife and paper tape is cut

The utility model is further arranged to, and mounting base is equipped with rotatable support shaft, and support shaft is fixed with several main pressures Paper wheel swing arm, main pressure roller are rotatably mounted to the end of main pressure roller swing arm；Torque arm, torque arm are fixedly installed in support shaft End and mounting base are equipped with extension spring.

Main pressure roller is set to be pressed in main traction roller under the elastic force effect of extension spring by using above-mentioned technical proposal Surface, makes have enough frictional force between paper tape and main traction roller, drives paper tape to advance convenient for main traction roller.

The utility model is further arranged to, and stationary knife is provided with several groups kidney slot, screw pass through kidney slot to stationary knife into Row is fixed, and the bottom of tool apron is provided with adjusting screw, adjusts back of the end abutment in stationary knife of screw.

By using above-mentioned technical proposal, the kidney slot on stationary knife is for upper and lower position being adjusted stationary knife, stationary knife The adjusting screw at back, for adjusting the horizontal position of stationary knife, by the adjusting of multiple directions, to keep stationary knife better Cooperated with moving knife, cut the two can more efficiently to paper tape

The utility model is further arranged to, and mounting base is provided with walking component, and walking component includes being rotatably disposed in Mounting base the sliding duplicate gear, the walking gear being installed in walking axle, the rack gear with walking gear cooperation.

Mounting base is slid on the rack by component of walking by using above-mentioned technical proposal, changes mounting base Relative position between rack, to change the relative distance between traction cutter mechanism and discounting roller, according to each section of valve The length of mouth paper, makes the paper tape drawn between cutter mechanism and discounting roller mechanism only have an easy-torn line, it is ensured that discounting roller mechanism Effectively paper tape is broken.

The utility model is further arranged to: auxiliary traction component includes auxiliary traction roller and auxiliary pressure roller；Master leads Pick-up roll drives auxiliary traction roller and driving shaft synchronous belt to rotate by synchronous belt.

Both by using above-mentioned technical proposal, main traction component is identical with the structure of auxiliary traction component, easily facilitate The design of transmission runs main traction component and auxiliary traction component synchronization by synchronous belt.

In conclusion the advantageous effects of the utility model are as follows: the cutting edge of moving knife and the cutting edge of stationary knife mutually incline Tiltedly, when cutting, the two point contact keeps the impact force in cutting process smaller, it is ensured that cuts the stabilization of process；And it leads The spacing for drawing cutter mechanism relative to paster cylinder mechanism is adjustable, and the hauling speed of main traction mechanism is adjustable, can be used for processing difference The valve port paper of length.

Detailed description of the invention

Scheme explanation

Fig. 1 is the structural schematic diagram for drawing cutter mechanism and paster cylinder mechanism；

Fig. 2 is the structural schematic diagram one for drawing cutter；

Fig. 3 is the structural schematic diagram two for drawing cutter；

Fig. 4 is the structural schematic diagram for cutting component；

Fig. 5 is the structural schematic diagram of stationary knife component；

Fig. 6 is the structural schematic diagram of rack and paster cylinder mechanism.

1, rack；11, guide rail；12, reversing bar；13, rack gear；2, compound paper roll mechanism；3, cutter mechanism is drawn；31, pacify Fill seat；311, main shaft；312, the sliding duplicate gear；313, walking gear；314, active conjugate tooth；315, driven conjugation tooth Wheel；32, variable speed assembly is drawn；321, active traction gear；322, support plate is adjusted；323, transition gear；324, regulating tank； 325, lock-screw；326, driven traction gear；33, main traction component；331, main traction roller；332, main pressure roller；333, it props up Support axis；334, pressure roller swing arm；335, torque arm；34, component is cut；341, moving knife axis body；342, moving knife；343, stationary knife；344, Tool apron；345, paper platform；346, screw is adjusted；35, auxiliary traction component；351, auxiliary traction roller；352, pressure roller is assisted；4, Discounting roller mechanism；5, paster cylinder mechanism.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1, showing a kind of paper bag valve port processing unit (plant), including rack 1, rack 1 is equipped with traction cutter mechanism 3。

As shown in Fig. 2, traction cutter mechanism 3, including mounting base 31, mounting base 31 be equipped with equipped with main shaft 311 and The main traction component 33 that is driven and set gradually by main shaft 311 cuts component 34, auxiliary traction component 35.Rack 1 is arranged There is the guide rail 11 along the setting of paper bag conveying direction, mounting base 31 is slidably installed on guide rail 11.Mounting base 31, which is equipped with, to revolve The sliding duplicate gear 312 turned is equipped with walking gear 313 in the sliding duplicate gear 312, and rack 1 is provided with matches with walking gear 313 The rack gear 13 of conjunction.By the rotation of the sliding duplicate gear 312, drive installation seat 31 slides in rack 1, to adjust traction cutter The spacing of mechanism 3 and paster cylinder mechanism 4.

Main traction component 33 includes the main traction roller 331 that surface has annular knurl, and is pressed in the master on main 331 surface of traction roller Pressure roller 332, main pressure roller 332 use glue coating wheel；Paper tape is passed through between main pressure roller 332 and main traction roller 331, in master Paper bag is driven to advance under the traction of traction roller 331.Mounting base 31 is equipped with rotatable support shaft 333, if support shaft 333 is fixed with Dry pressure roller swing arm 334, main pressure roller 332 are rotatably mounted to the end of pressure roller swing arm 334；It is fixed in support shaft 333 Torque arm 335 is installed, 335 end of torque arm and mounting base 31 are equipped with extension spring, under the elastic force effect of extension spring, make main pressure Paper wheel 332 is pressed in the surface of main traction roller 331, drives paper tape to advance convenient for main traction roller 331.

As shown in Fig. 2, being equipped with traction variable speed assembly 32 between main shaft 311 and main traction roller 331, variable speed assembly is drawn 32 include being set to the active traction gears 321 of main shaft 311, main traction roller 331 be equipped with driven traction gear 326 and with The adjusting support plate 322 of driven 326 coaxial rotating of traction gear, adjust support plate 322 be equipped with active traction gear 321, from The transition gear 323 that dynamic traction gear 326 engages；Adjust the regulating tank 324 that support plate 322 is provided with arc, arc regulating tank 324 center of circle is located on the rotation axis of main traction roller 331, and the lock for locking with mounting base 31 is equipped in regulating tank 324 Tight screw 325.When needing to accelerate the paper feeding speed of main traction component 33, by replacing larger-sized active traction gear 321, rotation adjusts support plate 322, engages dynamic active traction gear 321 after transition gear 323 and replacement, changes main shaft 311 with the transmission ratio of main traction roller 331, then lock-screw 325 is locked, to accelerate the transmission speed of main traction roller 331.When need When slowing down the paper feeding speed of main traction roller 331, the lesser active traction gear 321 of size is replaced, unclamps lock-screw 325, Dynamic active traction gear 321 after transition gear 323 and replacement is engaged, then locks the nail of lock-screw 325 to adjusting support plate 322 It is fixed.

As shown in figure 3, cutting component 34 includes moving knife component and stationary knife component, moving knife component includes moving knife axis body 341, is moved Axially extending moving knife 342 is installed, the blade of moving knife 342 extends moving knife axis body 341 on cutter shaft body 341；Stationary knife component packet The stationary knife 343 for including tool apron 344, being fixed on tool apron 344；Tool apron 344 is fixed with several supporting blocks, and the upper surface of supporting block is equipped with Two groups of paper platforms 345, two groups of paper platforms 345 are located at the two sides of stationary knife 343, to support paper tape.If stationary knife 343 is provided with Dry group kidney slot, screw pass through kidney slot and stationary knife 343 are fixed, and the bottom of tool apron 344, which is provided with, adjusts screw 346, adjust The end abutment of screw 346 is saved in the back of stationary knife 343, the position of stationary knife 343 is adjusted by adjusting screw 346.

As shown in Figure 4, Figure 5, the rotation axis of stationary knife 343 and moving knife axis body 341 tilts, in the process of moving knife component rotation In, the blade of stationary knife 343 and the blade point contact of moving knife 342 complete the cutting to paper tape.During cutting, impact force Small cutting is stablized.The cutting edge of moving knife 342 is provided with several notches, to form an easy-torn line on paper tape.Such as Fig. 3 institute Show, mounting base 31 is equipped with active conjugate tooth 314 and driven conjugate tooth 315, active conjugate tooth 314 and main shaft 311 Between pass through toothed belt transmission.Driven conjugate tooth 315 is fixed with moving knife axis body 341, makes the moving knife 342 on moving knife axis body 341 It can be rotated with speed change, when preferably contacting moving knife 342 and stationary knife 343, the revolving speed of moving knife axis body 341 is most fast, and realization cuts group Part 34 is efficiently cut, and promotes the quality cut.

As shown in figure 3, auxiliary traction component 35 includes auxiliary traction roller 351 and auxiliary pressure roller 352, auxiliary traction group The structure of part 35 is identical as the structure of main traction component 33；Main traction roller 331 drives auxiliary traction roller 351 synchronous by synchronous belt Band rotation.

The paper bag of web-like is sent into and is turned to by reversing bar 12 by compound paper roll mechanism 2, is fed through traction cutter mechanism 3, paper bag successively passes through main traction component 33, cuts component 34, auxiliary traction component 35.Valve port paper is installed by cutting component 34 Length interval cut out easy-torn line, paper tape is fed through where discounting roller mechanism 4, paster cylinder mechanism 5 by auxiliary traction component 35 Position.

As shown in fig. 6, mounting base 31 is slidably installed on rack 1, by rotating walking gear 313, drive installation seat 31 slide in rack 1, keep auxiliary traction component 35 and the spacing of paster cylinder mechanism 5 adjustable, it is ensured that are located at auxiliary traction component Paper tape between 35 and paster cylinder mechanism 4, there is only an easy-torn lines；The transmission speed of paster cylinder mechanism 4 and discounting roller mechanism 5 Greater than the transmission speed of traction cutter mechanism 3, after paper tape enters paster cylinder mechanism 4, paper tape is drawn along easy-torn line by speed difference It is disconnected.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims

1. a kind of traction cutter mechanism, including mounting base (31), it is characterised in that: mounting base (31) is equipped with main shaft (311) And by main shaft (311) drive and set gradually main traction component (33), cut component (34), auxiliary traction component (35)；Cutting component (34) includes dynamic moving knife (342) component and stationary knife (343) component, and moving knife (342) component includes moving knife (342) axis body (341) are equipped with axially extending moving knife (342) on moving knife (342) axis body (341), the blade of moving knife (342) Extend moving knife (342) axis body (341)；Stationary knife (343) component includes tool apron (344), the stationary knife for being fixed on tool apron (344) (343)；The rotation axis of the stationary knife (343) and moving knife (342) axis body (341) tilts.

2. traction cutter mechanism according to claim 1, it is characterised in that: mounting base (31) is equipped with active conjugate tooth (314) with driven conjugate tooth (315), pass through toothed belt transmission between active conjugate tooth (314) and main shaft (311)；

Driven conjugate tooth (315) and moving knife (342) axis body (341) are fixed.

3. traction cutter mechanism according to claim 1, it is characterised in that: the cutting edge of the moving knife (342) is provided with To form several notches of easy-torn line on paper bag.

4. traction cutter mechanism according to claim 1, which is characterized in that the main traction component (33) includes surface band There is the main traction roller (331) of annular knurl, and is pressed in the main pressure roller (332) on main traction roller (331) surface；The main shaft (311) Speed-regulation component is equipped between main traction roller (331).

5. traction cutter mechanism according to claim 4, which is characterized in that the Speed-regulation component includes detachable The active traction gear (321) being set on main shaft (311), main traction roller (331) be equipped with driven traction gear (326) with And the adjusting support plate (322) with driven traction gear (326) coaxial rotating, it adjusts support plate (322) and is equipped with and active traction The transition gear (323) that gear (321), driven traction gear (326) engage；Adjust the tune that support plate (322) are provided with arc It saves slot (324), the center of circle of arc regulating tank (324) is located on the rotation axis of main traction roller (331), wears in regulating tank (324) Equipped with for the adjusting screw (346) with mounting base (31) locking.

6. traction cutter mechanism according to claim 1, which is characterized in that stationary knife (343) component include tool apron (344), It is fixed on the stationary knife (343) of tool apron (344)；Tool apron (344) is fixed with several supporting blocks, and the upper surface of supporting block is equipped with two groups Paper platform (345), two groups of paper platforms (345) are located at the two sides of stationary knife (343).

7. traction cutter mechanism according to claim 1, which is characterized in that mounting base (31) is equipped with rotatable support shaft (333), support shaft (333) is fixed with several main pressure roller (332) swing arms, and main pressure roller (332) is rotatably mounted to main pressure The end of paper wheel (332) swing arm；It is fixedly installed in support shaft (333) torque arm (335), torque arm (335) end and mounting base (31) it is equipped with extension spring.

8. traction cutter mechanism according to claim 6, which is characterized in that stationary knife (343) is provided with several groups kidney slot, Screw passes through kidney slot and stationary knife (343) is fixed, and the bottom of tool apron (344), which is provided with, adjusts screw (346), adjusts screw (346) end abutment is in the back of stationary knife (343).