CN212666814U

CN212666814U - Paper bag machine joint strip device

Info

Publication number: CN212666814U
Application number: CN202021340553.9U
Authority: CN
Inventors: 杨永录
Original assignee: Newport Machinery Shanghai Co ltd
Current assignee: Newport Machinery Shanghai Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-09
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a paper bag machine card mouth strip device, including the rotation axis at the uniform velocity, the surface mounting of rotation axis left end at the uniform velocity has fixed variable speed control cam, the planet carrier is installed to the left end of first pendulum rod, sector gear is installed to the left end of planet carrier, the second cam roller is installed to the inboard of the flexible cam of frame that slides, institute the surface of hollow shaft is located second cam roller and slides and install the second pendulum rod between the guide seat, the internally mounted of variable speed center pin left end has deep groove ball bearing, the extension spring is installed to the upper end of variable speed center pin. This paper bag machine card mouth strip device utilizes at the uniform velocity axle and the relative motion between them ingeniously to the frame that slides telescopic cam etc. above-mentioned parts go to realize, and the circumference and the axial of frame subassembly that slide are spacing, adopt elevator car location principle, compare in linear bearing, linear guide is more succinct and more economize the space, and overall structure tends to the simplification, and then greatly reduced the manufacturing cost of device.

Description

Paper bag machine joint strip device

Technical Field

The utility model relates to a paper bag machine technical field specifically is a paper bag machine card strip device.

Background

Most of threading type paper bags need to stick mouth strips in the folded upper mouth parts, the first attached drawing shows a mouth strip sticking mechanism in our company, the principle is that a conjugate cam component is arranged on a second shaft, the conjugate cam drives a first shaft to swing in a reciprocating way through a connecting rod component, when a first shaft suction head is aligned with mouth strip stacking in the angle direction, the first shaft swings and stops at rest, a suction head rapidly extends out from the mouth strip stacking and takes mouth strips under the action of a cylinder arranged on the first shaft, then retracts rapidly, after retraction, the first shaft component swings anticlockwise downwards, and swings clockwise after swinging to the stroke end, when the suction head and the mouth strips are aligned with the teeth biting angle on an air suction gun on the second shaft in the swinging process, the first shaft moves for a small distance at the same linear speed as the second shaft under the control of the conjugate cam so as to ensure the handing-over of the mouth strips from the first shaft suction head to the second shaft air suction gun component, the second shaft and the third shaft move at the same linear speed, the opening strip on the second shaft moves to the position right below the second shaft, the opening strip is adhered to paper passing through the middle of the second shaft and the third shaft under the opposite extrusion action of the second shaft and the third shaft, and the process of the opening strip is completely finished.

However, the structure of the existing paper bag machine sealing strip device on the market is too complex, the manufacturing cost is high, and the whole volume of the existing paper bag machine sealing strip device is large, so that the occupied space is large, and the paper bag machine sealing strip device is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paper bag machine card mouth strip device to it is too complicated to provide current paper bag machine card mouth strip device structure in solving above-mentioned background art, and manufacturing cost is high, and the whole volume of current paper bag machine card mouth strip device is great, leads to occupation space great, the problem of being not convenient for to use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a paper bag machine card mouth strip device, includes the rotation axis at the uniform velocity, the surface mounting of rotation axis left end has fixed variable speed control cam, the internally mounted of fixed variable speed control cam left end face has first cam roller, first pendulum rod is installed to the left end of fixed variable speed control cam, the planet carrier is installed to the left end of first pendulum rod, sector gear is installed to the left end of planet carrier, the internally mounted of rotation axis at the uniform velocity has the variable speed center pin, the variable speed center pin is close to the fixed surface that rotation axis one end was rotated at the uniform velocity and is connected with variable speed center pin gear, the left lower extreme of rotation axis at the uniform velocity installs the frame telescopic cam that slides, the second cam roller is installed to the inboard of the frame telescopic cam that slides, the internally mounted of second cam roller has the hollow shaft, the hollow shaft, the utility model discloses a gear rack for the drawing, including hollow shaft, gear rack, speed change center pin, sucking disc subassembly, sliding frame subassembly, gear shaft, sliding guide seat, gear rack.

Preferably, the uniform rotating shaft and the variable speed central shaft are positioned on the same axis, and form a planetary driving structure, and the uniform rotating shaft and the variable speed central shaft are in transmission connection through a planetary carrier, a sector gear and a variable speed central shaft gear.

Preferably, the first cam roller is located at a curved notch of the fixed shift control cam.

Preferably, the first cam roller, the first swing link, the planet carrier and the sector gear are connected with each other through shaft pins.

Preferably, the sliding frame telescopic cam is a non-shaped closed cam.

Preferably, the sliding guide seat and the telescopic gear, the telescopic rack and the deep groove ball bearing are symmetrically arranged about the vertical central line of the hollow shaft and the sliding frame assembly, the same deep groove ball bearing is installed on the middle side part of the sliding frame assembly, and the deep groove ball bearing and the speed change central shaft are installed in an embedded mode.

Preferably, the tension springs are symmetrically arranged in two relative to the vertical central line of the sliding frame assembly.

Preferably, the sucker assemblies are symmetrically arranged in two groups about a vertical central line of the sliding frame assembly, and five suckers in each group of sucker assemblies are distributed at equal intervals.

Preferably, the mouth bar stacking frame and the sucker component correspond to each other, and the mouth bar stacking frame and the sucker component are designed to be of inclined structures.

Compared with the prior art, the beneficial effects of the utility model are that:

compared with the prior structure, the mouth strip sticking device of the paper bag machine realizes the functions realized on the two shafts by one axis, a rotating shaft with constant speed and a variable speed shaft which rotates at the absolute speed in a rotation period according to the speed reduction, stillness, acceleration, constant speed and acceleration rules are arranged on the same axis, a set of cam swing link assembly and a planetary structure are arranged between the uniform speed shaft and the variable speed shaft to realize power communication, and realizes the specific regular variable speed movement of the variable speed shaft, the telescopic movement of the suction cup is not finished by the telescopic movement of the cylinder any more, but the relative motion between the uniform speed shaft and the variable speed shaft is ingeniously utilized to realize by the sliding frame telescopic cam and other parts, the circumferential direction and the axial direction of the sliding frame assembly are limited, an elevator car positioning principle is adopted, compared with a linear bearing, a linear guide rail is simpler and more space-saving, the whole structure tends to be simplified, and further the manufacturing cost of the device is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of the background art structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of the cross section of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the present invention in a partial top view;

fig. 5 is a schematic view of the installation structure of the sector gear and the gear of the speed change center shaft according to the present invention.

In the figure: 1. rotating the shaft at a constant speed; 2. a fixed shift control cam; 3. a first cam roller; 4. a first swing link; 5. a planet carrier; 6. a sector gear; 7. a variable speed central shaft gear; 8. a sliding frame telescopic cam; 9. a second cam roller; 10. a second swing link; 11. a shift center shaft; 12. a sliding guide seat; 13. A gear for telescoping; 14. a rack for extension; 15. a hollow shaft; 16. a deep groove ball bearing; 17. a slip frame assembly; 18. a tension spring; 19. a sucker component; 20. a mouth strip stacking frame; 21. the lower roller assembly is rotated at a constant speed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a paper bag machine mouth strip sticking device comprises a uniform rotating shaft 1, a fixed variable speed control cam 2 is arranged on the surface of the left end of the uniform rotating shaft 1, a first cam roller 3 is arranged inside the left end face of the fixed variable speed control cam 2, a first swing rod 4 is arranged at the left end of the fixed variable speed control cam 2, a planet carrier 5 is arranged at the left end of the first swing rod 4, a sector gear 6 is arranged at the left end of the planet carrier 5, a variable speed central shaft 11 is arranged inside the uniform rotating shaft 1, a variable speed central shaft gear 7 is fixedly connected to the surface of the variable speed central shaft 11 close to one end of the uniform rotating shaft 1, a sliding frame telescopic cam 8 is arranged at the left lower end of the uniform rotating shaft 1, a second cam roller 9 is arranged on the inner side of the sliding frame telescopic cam 8, a hollow shaft 15 is arranged inside the second cam roller 9, a gear 13 for expansion and contraction is arranged at the left end of a sliding guide seat 12 on the surface of a hollow shaft 15, a second swing rod 10 is arranged between a second cam roller 9 and the sliding guide seat 12 on the surface of the hollow shaft 15, a deep groove ball bearing 16 is arranged inside the left end of a speed change central shaft 11, one end of a sliding frame assembly 17 is arranged inside the deep groove ball bearing 16, a rack 14 for expansion and contraction is arranged at the left end of the deep groove ball bearing 16 on the surface of the sliding frame assembly 17, a tension spring 18 is arranged at the upper end of the speed change central shaft 11, a sucker assembly 19 is arranged on the lateral side of the sliding frame assembly 17, a mouth bar stacking frame 20 is arranged on one side of the sucker assembly 19 away from the sliding frame assembly 17, and a lower roller assembly;

the uniform rotating shaft 1 and the variable speed central shaft 11 are positioned on the same axis, the uniform rotating shaft 1 and the variable speed central shaft 11 form a planetary driving structure, the uniform rotating shaft 1 and the variable speed central shaft 11 are in transmission connection through a planet carrier 5, a sector gear 6 and a variable speed central shaft gear 7, the functions realized on the two shafts are realized by one axis, the constant uniform rotating shaft and the variable speed shaft which rotates regularly at an absolute speed in a rotation period in a speed reduction, static, acceleration, constant speed and acceleration mode are arranged on the same axis, a first cam roller 3 is positioned at a curved notch of a fixed variable speed control cam 2 to realize the transmission of the device, the first cam roller 3, a first swing rod 4, the planet carrier 5 and the sector gear 6 are mutually connected through shaft pins to realize the stable installation of the first cam 3, the first swing rod 4, the planet carrier 5 and the sector gear 6, a sliding frame telescopic cam 8 is a non-shaped closed cam, the installation of the second cam roller 9 is convenient, the sliding guide seat 12, the telescopic gear 13, the telescopic rack 14 and the deep groove ball bearing 16 are respectively symmetrically arranged about the vertical central line of the hollow shaft 15 and the sliding frame component 17, the middle side part of the sliding frame component 17 is provided with two same deep groove ball bearings 16, the deep groove ball bearings 16 and the speed change central shaft 11 are installed in an embedded mode, the normal operation of the device is ensured, the tension springs 18 are symmetrically arranged about the vertical central line of the sliding frame component 17, the force sealing of the sliding frame telescopic cam 8 is realized, the sucker components 19 are symmetrically arranged in two groups about the vertical central line of the sliding frame component 17, five suckers are distributed in each sucker component 19 at equal intervals, the stable adsorption of the oral strips is ensured, the oral strip stacking frame 20 and the sucker components 19 correspond to each other, and the oral strip stacking frame 20 and the sucker components 19 are designed in an inclined structure, the mouth strip is convenient to be sucked down by the sucking disc.

The working principle is as follows: firstly, the whole device is arranged at the corresponding position of a paper bag machine, the power supply of the device is connected, a constant speed rotating shaft 1 and a speed change central shaft 11 are positioned on the same axis to form a planetary driving structure, power is transmitted between the constant speed rotating shaft 1 and the speed change central shaft through a planetary carrier 5, a sector gear 6 and a speed change central shaft gear 7, wherein the planetary carrier 5 is fixedly connected on the constant speed rotating shaft 1, the speed change central shaft gear 7 is fixedly connected on the speed change central shaft 11, when the constant speed rotating shaft 1 revolves uniformly and anticlockwise at a constant speed, a first cam roller 3 passes through a curve notch of a fixed speed change control cam 2 arranged on a wall plate and does clockwise and anticlockwise variable speed rotation or non-autorotation according to the curve of the cam notch according to the working requirement, a sliding frame component 17 is arranged on the speed change central shaft 11, two sliding guide seats 12 are fixedly connected, the deep groove ball bearing 16 is embedded in the groove of the sliding guide seat 12 to realize the circumferential positioning of the sliding frame assembly 17, the middle side part of the sliding frame assembly 17 is also provided with the deep groove ball bearing 16 and is embedded in the notch arranged on the speed change central shaft 11 to realize the circumferential positioning of the sliding frame assembly 17, the sliding frame expansion cam 8 is fixedly connected on the uniform rotating shaft 1, when the speed change central shaft 11 moves relative to the uniform rotating shaft 1, the second cam roller 9 passes through the cam surface of the sliding frame expansion cam 8, the second swing rod 10 swings to drive the hollow shaft 15 to rotate and then drive the expansion gear 13 fixedly connected thereon to rotate, finally the sliding frame assembly 17 is driven to do the extending and retracting actions through the expansion rack 14 fixedly connected on the sliding frame assembly 17, the sliding frame expansion cam 8 is not a closed cam, so the tension spring 18 is arranged to realize the force closing, and the sucker assembly 19 is connected to the sliding frame assembly 17, when the sucker assembly is aligned with the opening strip stacking, the speed change central shaft 11 is still, the sliding frame assembly 17 extends out, the vacuum and the suction opening strip are communicated, the sliding frame assembly 17 retracts after sucking the opening strip, the speed change central shaft 11 continues to rotate, and the speed of the speed change central shaft 11 is changed to be equal to that of the uniform-speed rotating shaft 1 and keeps a certain angle before reaching the vertical lower part so as to realize the pasting of the opening strip.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a paper bag machine card mouth strip device, includes at the uniform velocity rotation axis (1), its characterized in that: the surface mounting of at the uniform velocity rotation axis (1) left end has fixed variable speed control cam (2), the internally mounted of fixed variable speed control cam (2) left end face has first cam roller (3), first pendulum rod (4) are installed to the left end of fixed variable speed control cam (2), planet carrier (5) are installed to the left end of first pendulum rod (4), sector gear (6) are installed to the left end of planet carrier (5), the internally mounted of at the uniform velocity rotation axis (1) has variable speed center pin (11), variable speed center pin (11) are close to the fixed surface that is connected with variable speed center shaft gear (7) of uniform velocity rotation axis (1) one end, slide frame telescopic cam (8) are installed to the left lower extreme of uniform velocity rotation axis (1), second cam roller (9) are installed to the inboard of slide frame telescopic cam (8), the internally mounted of second cam roller (9) has hollow shaft (15), hollow shaft (15) and variable speed center pin (11) are through sliding guide seat (12) interconnect, gear (13) for flexible installing is located at the left end of sliding guide seat (12) on the surface of hollow shaft (15), the surface of hollow shaft (15) is located second cam roller (9) and is installed second pendulum rod (10) between sliding guide seat (12), the internally mounted of variable speed center pin (11) left end has deep groove ball bearing (16), the internally mounted of deep groove ball bearing (16) has the one end of sliding frame subassembly (17), rack (14) for flexible installing is located the left end of deep groove ball bearing (16) on the surface of sliding frame subassembly (17), extension spring (18) is installed to the upper end of variable speed center pin (11), suction cup subassembly (19) is installed to the avris of sliding frame subassembly (17), sucking disc subassembly (19) keep away from one side of sliding frame subassembly (17) and install opening strip stacking frame (20), a lower roller assembly (21) rotating at a constant speed is arranged below the speed change central shaft (11).

2. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the uniform-speed rotating shaft (1) and the variable-speed central shaft (11) are positioned on the same axis, the uniform-speed rotating shaft (1) and the variable-speed central shaft (11) form a planetary driving structure, and the uniform-speed rotating shaft (1) and the variable-speed central shaft (11) are in transmission connection through a planetary carrier (5), a sector gear (6) and a variable-speed central shaft gear (7).

3. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the first cam roller (3) is positioned at the curved notch of the fixed speed change control cam (2).

4. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the first cam roller (3), the first swing rod (4), the planet carrier (5) and the sector gear (6) are connected with each other through shaft pins.

5. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the sliding frame telescopic cam (8) is a non-shaped closed cam.

6. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the sliding guide seat (12), the telescopic gear (13), the telescopic rack (14) and the deep groove ball bearing (16) are symmetrically arranged about the vertical central line of the hollow shaft (15) and the sliding frame assembly (17) respectively, the same deep groove ball bearing (16) is installed on the middle side portion of the sliding frame assembly (17), and the deep groove ball bearing (16) and the speed change central shaft (11) are installed in an embedded mode.

7. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the tension springs (18) are symmetrically arranged in two relative to the vertical central line of the sliding frame component (17).

8. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the sucker components (19) are symmetrically arranged in two groups about the vertical central line of the sliding frame component (17), and every group of suckers in the sucker components (19) are five in an equidistant distribution manner.

9. The paper bag machine opening strip attaching device as claimed in claim 1, wherein: the mouth strip stacking frame (20) and the sucker component (19) correspond to each other, and the mouth strip stacking frame (20) and the sucker component (19) are designed to be of inclined structures.