CN218170647U

CN218170647U - Outer straight cutter reducing mechanism of container bag production usefulness

Info

Publication number: CN218170647U
Application number: CN202222410525.5U
Authority: CN
Inventors: 张昊; 陈国振; 甘德韶
Original assignee: Foshan Tecon Package Machinery Co ltd
Current assignee: Foshan Tecon Package Machinery Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-30
Anticipated expiration: 2032-09-09

Abstract

The invention discloses an external straight cutting knife diameter-changing mechanism for paper bag production, which comprises an installation frame and a conveying roller rotatably installed on the installation frame; the mounting frame is provided with a sliding seat in a sliding manner towards the direction close to or far away from the conveying roller, and the mounting frame is provided with a driving piece for driving the sliding seat to slide; the sliding seat is rotatably provided with a cutter shaft, and the sliding seat is provided with a driving piece for driving the cutter shaft to rotate; the arbor is installed the blade holder towards radial sliding, the cutter that sets up with the transfer roller is installed to the blade holder, the arbor is equipped with and is used for driving the gliding regulating part of blade holder. This application has when being convenient for to match the different container bag of production size straight cutter blade disc rotation speed is close at the uniform velocity state, improves the production efficiency of container bag and the effect of the stability of equipment.

Description

Outer straight cutter reducing mechanism for paper bag production

Technical Field

The invention relates to the field of paper bag production equipment, in particular to a reducing mechanism of an external straight cutting knife for paper bag production.

Background

At present, with the continuous development of society, the plastic bag package is difficult to meet the requirements of energy conservation and environmental protection, and the production raw material of the paper bag is trees which are renewable resources, so the paper bag package becomes a packaging mode widely popularized in the market; in the process of producing the paper bag, the strip-shaped paper needs to be cut into the breakable holes according to the size of the paper bag.

At present, the inventor thinks that in the process of the rotatory cut paper of current straight cutter, straight cutter rotating diameter is unchangeable, and to the container bag production of different length, because of need keep container bag linear velocity and cutter linear velocity unanimous when cutting into the container bag, so straight cutter rotates and needs to do variable speed and handles, compares longer or shorter container bag production, and the variable speed sudden change of straight cutter is too big, leads to the equipment poor stability.

SUMMERY OF THE UTILITY MODEL

For the convenience of match when producing the different container bag of size straight cutter blade disc rotation rate is close the state at the uniform velocity, improves the production efficiency of container bag and the stability of equipment, this application provides a outer straight cutter reducing mechanism of container bag production usefulness.

The application provides a pair of outer straight cut sword reducing mechanism of container bag production usefulness adopts following technical scheme:

the utility model provides an outer straight cutting knife reducing mechanism of container bag production usefulness, includes: the conveying device comprises a mounting frame and a conveying roller rotatably mounted on the mounting frame; the mounting frame is provided with a sliding seat in a sliding manner towards the direction close to or far away from the conveying roller, and the mounting frame is provided with a driving piece for driving the sliding seat to slide; the sliding seat is rotatably provided with a cutter shaft, and the sliding seat is provided with a driving piece for driving the cutter shaft to rotate; the arbor is installed the blade holder towards radial sliding, the cutter that sets up with the transfer roller is installed to the blade holder, the arbor is equipped with and is used for driving the gliding regulating part of blade holder.

By adopting the technical scheme, when the size of the paper bag to be produced changes and the position of the easy-breaking hole needs to be adjusted and cut, the driving piece is started first, the sliding seat is driven to slide, so that the cutter is far away from the conveying shaft, and the phenomenon that the cutter touches the conveying roller when the cutter is subsequently adjusted is reduced; then the tool apron is driven to slide by the adjusting piece, so that the distance between the cutting edge of the cutter and the axis of the cutter shaft is adjusted; finally, the driving piece is started to drive the sliding seat to slide, so that the cutting edge of the cutter moves to a proper position, namely when the driving piece drives the cutter shaft to rotate until the cutter faces the conveying roller, the cutter can cut a row of easy-to-break holes in the strip-shaped paper; the sliding position of the tool apron can be directly adjusted by the adjusting mode, the rotating circumference of the cutter in a single period is adjusted to be close to the length of a paper bag cylinder to be produced, one row of easy-to-break holes are cut by one circle of the cutter shaft, the length of the paper bag cylinder is the middle of the two rows of easy-to-break holes, the cutter shaft rotates at a constant speed, the rotation is stable, and high-speed production can be achieved.

Preferably, the adjusting member includes: the cutter comprises a sliding rod and an adjusting screw rod, wherein the cutter shaft is provided with a sliding groove, one end of the sliding rod is connected with the cutter holder, and the other end of the sliding rod is installed on the cutter shaft in a sliding manner through the sliding groove; the adjusting screw rod is rotatably installed on the cutter shaft, and one end of the adjusting screw rod is installed at one end, far away from the cutter holder, of the sliding rod in a threaded mode, and the other end of the sliding rod extends out of the cutter shaft.

By adopting the technical scheme, an operator directly rotates one end of the adjusting screw rod extending out of the cutter shaft, so that the tool apron can be driven to slide by the thread matching effect of the adjusting screw rod and the sliding rod; the adjusting mode is simple to operate and high in adjusting stability.

Preferably, the adjusting parts are provided with a pair, and the two adjusting parts are respectively arranged at the positions of the cutter shaft corresponding to the two ends of the cutter holder.

Through adopting above-mentioned technical scheme, in order to improve the installation stability of blade holder to and improve the uniformity of adjusting each position of blade holder, thereby when adjusting, the accessible rotates the adjusting screw who corresponds blade holder both ends position department simultaneously and accomplishes the regulation, and then has also improved the quality that the cutter goes out easy-to-break hole to the strip form paper.

Preferably, the tool apron is provided with a guide rod, the cutter shaft is provided with a guide groove parallel to the sliding groove, and the guide rod is arranged on the cutter shaft in a sliding manner through the guide groove.

Through adopting above-mentioned technical scheme, at the in-process of adjusting the blade holder position, can play the guide effect, improve and adjust the degree of accuracy.

Preferably, the positions of the knife shaft corresponding to the side walls of the sliding rod and the guide rod are both provided with fastening bolts in a threaded manner, and the end parts of the fastening bolts abut against the sliding rod or the guide rod.

Through adopting above-mentioned technical scheme, after the position control at the completion cutter, twist fastening bolt again for fastening bolt's tip butt is at the lateral wall of slide bar or guide bar, makes the slide bar lateral wall paste tight sliding groove respectively, and the lateral wall of guide bar pastes tight guide groove, reduces because equipment operation vibration takes place to slide, improves the stability of blade holder, and then improves the hole cutting quality of cutter.

Preferably, the one side that the blade holder was kept away from to the arbor is installed the balancing piece towards radial sliding, the arbor is equipped with the locking piece that is used for locking balancing piece sliding position.

By adopting the technical scheme, the tool apron and the cutter are arranged on one side of the cutter shaft, so that the inertia borne by the coupler is reduced, and the large noise generated by eccentricity during high-speed rotation is reduced, and the balance block is arranged on one side of the cutter shaft, which is far away from the tool apron; in addition, the position of the balance block can be adjusted according to the adjusting distance of the tool apron, and the position of the balance block is locked through the locking piece after the adjustment is completed, so that the practicability is improved.

Preferably, the cutter shaft is provided with an adjusting groove extending towards the sliding direction of the balance block, an adjusting rod is installed in the adjusting groove in a sliding mode, and the adjusting rod is connected with the balance block; the locking member includes: the locking bolt is arranged on the side wall of the cutter shaft corresponding to the adjusting rod in a threaded mode, and the end portion of the locking bolt abuts against the adjusting rod.

Through adopting above-mentioned technical scheme, accomplish the back of adjusting when the blade holder, not hard up locking bolt removes the balancing piece according to the adjusting distance of blade holder, then twists locking bolt for locking bolt's tip supports tightly adjusts the pole, thereby accomplishes the regulation to the balancing piece, and this operating mode is convenient.

Preferably, the urging member includes: the positioning screw who extends towards the slip direction of seat that slides, positioning screw threaded mounting is in the mounting bracket, positioning screw's one end rotary type is installed outside the top that seat, the other end extend the mounting bracket that slides.

Through adopting above-mentioned technical scheme, order about the seat that slides when needs slide, operating personnel directly extends the outer one end of mounting bracket through rotating the positioning screw to can drive the seat that slides at the mounting bracket, this mode is adjusted easy and simple to handle, and orders about stably.

Preferably, the seat that slides sets up the regulation hole that extends towards the direction of sliding of the seat that slides, the seat that slides is equipped with positioning bolt corresponding to regulation hole position, positioning bolt wears to locate regulation hole and screw thread and installs in the mounting bracket.

By adopting the technical scheme, when the sliding seat is required to be driven to slide, the positioning bolt is loosened firstly, so that the sliding seat can slide smoothly; after the sliding is finished, the positioning bolt is screwed down, so that the head of the positioning bolt abuts against the adjusting plate, the positioning effect on the sliding seat is achieved, and the sliding seat is stabilized at the adjusting position.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sliding position of the cutter holder can be directly adjusted, so that the rotating perimeter of the cutter in a single period is adjusted, and the distance between two adjacent easy-breaking holes cut in the strip paper by the cutter is different, so that paper bags with different sizes can be produced; the cutter shaft can rotate at a constant speed, so that high-speed production can be realized;

2. an operator directly rotates the adjusting screw to extend out of one end of the cutter shaft, so that the tool apron can be driven to slide through the thread matching effect of the adjusting screw and the sliding rod; the adjusting mode is simple to operate and high in adjusting stability;

3. because the cutter seat and the cutter are arranged on one side of the cutter shaft, in order to reduce the inertia applied to the coupler, the balance block is arranged on one side of the cutter shaft away from the cutter seat; in addition, the position of the balance block can be adjusted according to the adjusting distance of the tool apron, and the position of the balance block is locked through the locking piece after the adjustment is completed, so that the practicability is improved.

Drawings

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

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a sectional view of the internal structure of the arbor of the present application.

Fig. 4 is a schematic view of another perspective of the overall structure of the present application.

Description of the reference numerals:

1. a mounting frame; 11. a chute; 12. a sliding seat; 121. an adjustment hole; 122. positioning a bolt; 13. a drive member; 14. an actuating member; 15. positioning a screw rod; 2. a conveying roller; 21. avoiding a position groove; 3. a cutter shaft; 31. a sliding groove; 32. adjusting the screw rod; 33. a guide groove; 34. fastening a bolt; 35. locking the bolt; 36. an adjustment groove; 4. a tool apron; 41. a cutter; 42. a slide bar; 43. a guide bar; 5. a counterbalance; 51. and adjusting the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses outer straight cutting sword reducing mechanism of container bag production usefulness. Referring to fig. 1 and 2, the outer straight cutter reducing mechanism comprises mounting frames 1, conveying rollers 2 and cutter shafts 3, wherein the mounting frames 1 are horizontally and oppositely provided with a pair, the conveying rollers 2 and the cutter shafts 3 are arranged between the two mounting frames 1 in parallel, the conveying rollers 2 and the cutter shafts 3 are arranged at intervals in the vertical direction, and the cutter shafts 3 are positioned right above the conveying rollers 2; two ends of the conveying roller 2 are respectively and rotatably arranged on the two mounting frames 1; two ends of the cutter shaft 3 are rotatably mounted on the mounting frame 1 respectively, a cutter holder 4 is mounted on one side, close to the conveying roller 2, of the cutter shaft 3, the cutter 41 is detachably mounted on the cutter holder 4 through bolts, the cutting edge of the cutter 41 is opposite to the conveying roller 2, and the cutting edge of the cutter 41 is in a sawtooth shape; the conveying roller 2 is provided with a position avoiding groove 21 corresponding to the sawtooth position of the cutting edge of the cutter 41; therefore, in the process of conveying the strip-shaped paper from the position between the conveying roller 2 and the cutter shaft 3, the cutter shaft 3 is driven to rotate, and strip-shaped easy-to-break holes can be cut on the strip-shaped paper at intervals.

Referring to fig. 1 and 2, the two mounting frames 1 are provided with sliding grooves 11 at opposite positions, and the sliding grooves 11 extend towards the arrangement direction of the conveying rollers 2 and the cutter shafts 3; each sliding chute 11 is provided with a sliding seat 12 in a sliding manner, two ends of the cutter shaft 3 are respectively rotatably arranged on the two sliding seats 12, one sliding seat 12 is fixedly provided with a driving part 13, the driving part 13 is a motor, and an output shaft of the motor is fixedly connected with the end part of the cutter shaft 3 through a coupler, so that the cutter shaft 3 can be driven to rotate; a detection point is arranged on the coupler, and a proximity switch for sensing the detection point is arranged in the sliding seat 12 and faces the coupler; the detection point is used as the origin, when the proximity switch senses the detection point, the time for the cutter shaft 3 to rotate for one circle can be calculated, so that the linear speed of the cutter 41 when the cutter 41 cuts into the paper can be calculated, and then the rotating speed of the driving part 13 is adjusted in real time according to the comparison with the linear speed of the paper, so that the linear speed of the cutter 41 when the cutter 41 cuts into the paper is consistent with the linear speed of the paper.

An actuating piece 14 is fixedly installed at the bottommost position of each mounting frame 1, which is located at the chute 11, the actuating piece 14 comprises a positioning screw rod 15, the positioning screw rod 15 extends towards the length direction of the chute 11, the positioning screw rod 15 is installed on the mounting frame 1 in a threaded manner, one end of the positioning screw rod 15 is rotatably connected with the sliding seat 12, the other end of the positioning screw rod 15 extends out of the mounting frame 1, and a handle is fixedly installed, so that the sliding seat 12 can be actuated to slide; every mounting bracket 1 is located the bottommost position fixed mounting of spout 11 and has support piece, and support piece can be pneumatic cylinder, cylinder etc. and in this embodiment, support piece is the cylinder, support piece's piston rod and the seat 12 fixed connection that slides to can be before rotating positioning screw 15, earlier support the seat 12 that slides through support piece's piston rod, reduce the rotation dynamics that rotates positioning screw 15, make it rotate more convenient, labour saving and time saving.

Referring to fig. 1 and 3, the tool apron 4 is mounted on the cutter shaft 3 in a manner of sliding in the radial direction of the cutter shaft 3, the cutter shaft 3 is provided with a pair of adjusting pieces for driving the tool apron 4 to slide, and the two adjusting pieces are respectively located at positions of the cutter shaft 3 corresponding to two ends of the tool apron 4; the adjusting part comprises a sliding rod 42 and an adjusting screw rod 32, sliding grooves 31 are formed in positions of the cutter shaft 3 corresponding to two ends of the cutter holder 4, the sliding grooves 31 extend towards the sliding direction of the cutter holder 4, one end of the sliding rod 42 is fixedly installed on the cutter holder 4, and the other end of the sliding rod 42 is installed on the cutter shaft 3 in a sliding mode through the sliding grooves 31; the adjusting screw 32 is rotatably mounted on the cutter shaft 3, the axis of the adjusting screw 32 is on the same straight line with the axis of the sliding rod 42, one end of the adjusting screw 32 is threadedly mounted at one end of the sliding rod 42 far away from the cutter holder 4, and the other end extends out of one side of the cutter shaft 3 far away from the cutter holder 4; so that the tool holder 4 can be slidably moved in a direction approaching or separating from the conveying roller 2 by turning the adjusting screw 32.

The middle position of the tool apron 4 between the two sliding rods 42 is fixedly provided with a guide rod 43, the middle position of the cutter shaft 3 corresponding to the tool apron 4 is provided with a guide groove 33, the guide groove 33 is parallel to the sliding groove 31, and the guide rod 43 is arranged on the cutter shaft 3 in a sliding manner through the guide groove 33, so that the tool apron 4 is driven to slide more stably.

Referring to fig. 4, the fastening bolts 34 are threadedly mounted on the arbor 3 at positions corresponding to the side walls of the slide lever 42 and the guide lever 43, the end of the fastening bolt 34 corresponding to the slide lever 42 abuts against the side wall of the slide lever 42, and the end of the fastening bolt 34 corresponding to the guide lever 43 abuts against the guide lever 43, so that the adjusted stability of the tool holder 4 can be further improved.

Referring to fig. 3 and 4, a balance block 5 is arranged on one side of the cutter shaft 3 away from the cutter holder 4, so that the deflection inertia of the connection rotation between the driving part 13 and the cutter shaft 3 can be reduced, and the generation of large noise due to eccentricity during high-speed rotation is reduced; the positions of the two ends of the cutter shaft 3 corresponding to the balance blocks 5 are respectively provided with an adjusting groove 36, the extending direction of the adjusting grooves 36 is consistent with the extending direction of the sliding groove 31, the two opposite ends of the balance blocks 5 are respectively fixedly provided with an adjusting rod 51, and the adjusting rods 51 are arranged on the cutter shaft 3 in a sliding manner through the adjusting grooves 36; so that the position of the counterweight 5 can be adjusted according to the adjustment distance of the tool holder 4.

The arbor 3 is equipped with the locking piece that is used for locking balancing piece 5 sliding position, and the locking piece includes a pair of locking bolt 35, and two locking bolts 35 are respectively threaded mounting in the position that the arbor 3 corresponds two adjustment tank 36, and the tip butt of locking bolt 35 is in the lateral wall of adjusting pole 51 to can improve the position stability after balancing piece 5 adjusts.

Referring to fig. 4, in order to improve the stability after the position adjustment of the sliding seat 12, each sliding seat 12 has an adjusting hole 121, the adjusting hole 121 extends in the length direction of the sliding chute 11, a positioning bolt 122 is installed at a position of each sliding seat 12 corresponding to the adjusting hole 121, the positioning bolt 122 is installed in the adjusting hole 121 in a penetrating manner and is installed in the installation frame 1 in a threaded manner, and the head of the positioning bolt 123 abuts against the side wall of the sliding seat 12.

Graduated scales are respectively adhered to the position of the mounting rack 1 corresponding to the sliding chute 11, the sliding rod 42 and the adjusting rod 51, and the graduated scales on the mounting rack 1 can be used for conveniently observing the center distance between the sliding seat 12 and the driving roller 2, so that the adjusting efficiency is improved; the graduated scale on the sliding rod 42 can conveniently observe and adjust the distance between the cutter seat 4 and the cutter shaft 3, and further adjust the diameter of the cutter head, wherein the diameter of the cutter head refers to the diameter of the circumferential range when the cutter 41 is driven to rotate; the scale lines of the adjusting rod 51 are convenient for observing and adjusting the balance weight accuracy of the cutter shaft.

The implementation principle of the outer straight cutter reducing mechanism for paper bag production is as follows: when the size of the paper bag to be produced changes and the position of the easy-to-break hole needs to be adjusted, the cutter holder 4 is driven to slide to a proper position by rotating the adjusting screw 32, so that the adjustment of the rotating perimeter of the cutter 41 in a single period can be completed; then, the driving piece 14 is started again, and the positioning screw 15 is adjusted to drive the sliding seat 12 to slide until the sawtooth position of the cutting edge of the cutter 41 is positioned in the avoiding groove 21; so that when the driving member 13 drives the knife shaft 3 to rotate until the cutting knife 41 faces the conveying roller 2 during the conveying of the strip-shaped paper in the conveying roller 2, the cutting knife 41 can cut a row of easy-to-break holes on the strip-shaped paper.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an outer straight cutting sword reducing mechanism of container bag production usefulness which characterized in that includes: the conveying device comprises a mounting frame (1) and a conveying roller (2) rotatably mounted on the mounting frame (1); the mounting rack (1) is provided with a sliding seat (12) in a sliding manner towards the direction close to or far away from the conveying roller (2), and the mounting rack (1) is provided with a driving piece (14) for driving the sliding seat (12) to slide; the cutter shaft (3) is rotatably installed on the sliding seat (12), and a driving piece (13) for driving the cutter shaft (3) to rotate is installed on the sliding seat (12); arbor (3) install blade holder (4) towards radial sliding, blade holder (4) are installed and are set up cutter (41) relative with transfer roller (2), arbor (3) are equipped with and are used for driving gliding regulating part of blade holder (4).

2. The reducing mechanism of the external straight cutting knife for paper bag production according to claim 1, wherein the adjusting piece comprises: the cutter comprises a sliding rod (42) and an adjusting screw rod (32), wherein a sliding groove (31) is formed in the cutter shaft (3), one end of the sliding rod (42) is connected to the cutter holder (4), and the other end of the sliding rod is installed on the cutter shaft (3) in a sliding mode through the sliding groove (31); adjusting screw (32) rotary type is installed in arbor (3), the one end screw thread of adjusting screw (32) is installed in slide bar (42) and is kept away from the one end of blade holder (4), the other end extends outside arbor (3).

3. The reducing mechanism of the external straight cutting knife for paper bag production as claimed in claim 2, wherein a pair of adjusting members are provided, and the two adjusting members are respectively provided at positions of the knife shaft (3) corresponding to two ends of the knife holder (4).

4. The reducing mechanism of the external straight cutting knife for the paper bag production is characterized in that the knife holder (4) is provided with a guide rod (43), the knife shaft (3) is provided with a guide groove (33) parallel to the sliding groove (31), and the guide rod (43) is slidably mounted on the knife shaft (3) through the guide groove (33).

5. The external straight cutting knife diameter changing mechanism for paper bag production according to claim 4, wherein the positions of the knife shaft (3) corresponding to the side walls of the sliding rod (42) and the guide rod (43) are both provided with fastening bolts (34) in a threaded manner, and the end parts of the fastening bolts (34) are abutted to the sliding rod (42) or the guide rod (43).

6. The reducing mechanism of the external straight cutting knife for paper bag production according to claim 1, wherein the balance block (5) is installed on one side of the knife shaft (3) far away from the knife holder (4) in a sliding manner in the radial direction, and the knife shaft (3) is provided with a locking piece for locking the sliding position of the balance block (5).

7. The reducing mechanism of the external straight cutting knife for paper bag production as claimed in claim 6, wherein the knife shaft (3) is provided with an adjusting groove (36) extending towards the sliding direction of the balance block (5), the adjusting groove (36) is internally provided with an adjusting rod (51) in a sliding manner, and the adjusting rod (51) is connected with the balance block (5); the locking member includes: the locking bolt (35) is mounted on the side wall of the cutter shaft (3) corresponding to the adjusting rod (51) in a threaded mode, and the end portion of the locking bolt (35) abuts against the adjusting rod (51).

8. The reducing mechanism of the external straight cutting knife for paper bag production according to claim 1, wherein the driving member (14) comprises: towards positioning screw (15) that the slip direction of seat (12) that slides extends, positioning screw (15) thread mounting is in mounting bracket (1), the one end rotary type of positioning screw (15) is installed outside seat (12), the top that the other end extends mounting bracket (1) slide.

9. The outer straight cutter reducing mechanism for paper bag production according to claim 1, wherein the sliding seat (12) is provided with an adjusting hole (121) extending in the sliding direction of the sliding seat (12), the sliding seat (12) is provided with a positioning bolt (122) at a position corresponding to the adjusting hole (121), and the positioning bolt (122) penetrates through the adjusting hole (121) and is installed on the installation frame (1) in a threaded manner.