CN215751062U

CN215751062U - Bottom opening device for square-bottom paper bag

Info

Publication number: CN215751062U
Application number: CN202122032905.5U
Authority: CN
Inventors: 许阿磊
Original assignee: Wenzhou Xinlei Machinery Co ltd
Current assignee: Zhejiang Xinlei Machinery Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-08
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a bottom opening device for a square-bottom paper bag, which comprises a bottom opening spline transmission shaft, a spline sleeve, a paper clamp, a pressing wheel, an adjustable paper clamping cam, a fixed paper clamping cam, an adjusting seat, an adjusting plate, a bottom opening transmission gear, a paper pressing rod and a fixed shaft, wherein the spline sleeve is symmetrically sleeved at two ends of the middle section of the bottom opening spline transmission shaft; the utility model discloses a strengthened the paper and pressed from both sides the paper wheel between the centre gripping dynamics, pressed from both sides the paper action stable, the paper stock is difficult for droing midway, and the operational reliability is good, has improved the size precision of opening the end, and the yield is high, and product quality is good, has improved the production efficiency of square-bottom container bag.

Description

Bottom opening device for square-bottom paper bag

Technical Field

The utility model relates to the technical field of paper bag production devices, in particular to a bottom opening device for a square-bottom paper bag.

Background

The square-bottom paper bag is environment-friendly, low-carbon, convenient to carry, simple to manufacture, degradable in material, and incomparable to plastic, and gradually becomes a common general package in people's life in the era of advocating environment protection. At present, a paper bag machine is mainly used on an industrial production line of square-bottom paper bags, and large-batch production of the square-bottom paper bags is carried out through the working procedures of paper clamping and bottom opening, paper clamping and bottom folding and the like; however, the clamping force between the paper clamp and the paper clamping wheel of the existing bottom opening device is insufficient, the paper clamping action is unstable, paper materials are easy to fall off midway, the working reliability is poor, the bottom opening size precision is insufficient, the yield is low, and the production efficiency of the square-bottom paper bag is influenced; therefore, it is necessary to design a bottom opening device for square-bottom paper bags.

Disclosure of Invention

The utility model aims to provide a bottom opening device for a square-bottom paper bag, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a square end container bag division end device, is including opening end spline transmission shaft, spline housing, paper clamp, pinch roller, adjustable paper cam, fixed paper cam, regulation seat, regulating plate, division end drive gear, fly rod and fixed axle, open end spline transmission shaft both ends symmetry in middle section has cup jointed the spline housing, and the fixed cup joint in one end of spline housing has pressed from both sides the paper wheel, and one side at pressed from both sides paper wheel top is fixed to be inlayed and is equipped with the rubber pad, and the middle section slip of spline housing has cup jointed the holder, and the both sides at holder top and the fixed cover in both ends of round pin axle connect, and the middle section of round pin axle rotates respectively to cup joint and has turned round spring housing, division end torsional spring and paper clamp, and the top of paper clamp both sides is all fixed the one end of inlaying the elasticity cylindric lock.

Furthermore, the center of the side face of the paper clip is fixedly sleeved with one end of a wheel shaft, the other end of the wheel shaft is rotatably sleeved with a pressing wheel through a ball bearing, the pressing wheel is movably embedded in a groove formed between an adjustable paper clip cam and a fixed paper clip cam, the adjustable paper clip cam is embedded in the outer edge of the side face of the fixed paper clip cam, the fixed paper clip cam is movably sleeved on an adjusting seat, and the adjusting seat is movably sleeved with the other end of the spline sleeve through a bearing retainer ring and a deep groove ball bearing with dust covers on two sides.

Furthermore, one corner of the top end of the side face of the adjusting seat is fixedly connected with the bottom end of the side face of the opening bottom plate, the top end of the side face of the opening bottom plate is fixedly connected with the side face of the screw rod fixing block, the screw rod fixing block is rotatably sleeved with one end of the middle section of the adjusting screw rod through a ball bearing, an internal thread five-star handle is fixedly sleeved at one end of the adjusting screw rod, an adjusting nut is sleeved at the other end of the adjusting screw rod in a sliding mode, the side face of the adjusting nut is fixedly connected with the top end of the side face of the adjusting plate, and the bottom end of the side face of the adjusting plate is rotatably connected with the other corner of the top end of the side face of the adjusting seat through an inner hexagonal cup head shoulder bolt.

Furthermore, a bottom-opening transmission gear is fixedly sleeved at one end of the bottom-opening spline transmission shaft, a paper pressing seat is rotatably sleeved at the middle section of the bottom-opening spline transmission shaft, and a T-shaped paper pressing rod is fixedly installed at the center of the top of the paper pressing seat.

Furthermore, the two ends of the open-bottom spline transmission shaft are respectively sleeved with an open-bottom bearing seat through the rotation of an open-bottom bearing gland, the top of the open-bottom bearing seat is fixedly connected with one side of the bottom of the pressing plate, and one corner of the side surface of the pressing plate and one corner of the side surface of the adjusting seat are fixedly sleeved with the two ends of the fixed shaft.

Compared with the prior art, the utility model has the following beneficial effects: the utility model discloses a through add the torsional spring structure on the pinch roller to strengthened the paper and pressed from both sides the centre gripping dynamics between the paper wheel, pressed from both sides the paper action stable, the stock is difficult for coming off midway, and the operational reliability is good, has improved the size precision of opening the end, and the yield is high, and product quality is good, has improved the production efficiency of square-bottom container bag.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a perspective view of the overall structure of the present invention.

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

Fig. 3 is a front sectional view of a part of the structure of the present invention.

Fig. 4 is a left side view of the overall structure of the present invention.

In the figure: 1. a bottom-opened spline transmission shaft; 2. a spline housing; 3. a paper clamping wheel; 4. a rubber pad; 5. a holder; 6. a pin shaft; 7. a torsion spring sleeve; 8. a bottom-opening torsion spring; 9. a paper clip; 10. an elastic cylindrical pin; 11. a wheel axle; 12. a pinch roller; 13. an adjustable paper clamping cam; 14. fixing the paper clamping cam; 15. an adjusting seat; 16. a bearing retainer ring; 17. a deep groove ball bearing; 18. opening a bottom plate; 19. a screw fixing block; 20. adjusting the screw rod; 21. an internal thread five-star handle; 22. adjusting the nut; 23. an adjusting plate; 24. a bolt with a shoulder on the inner hexagonal cup head; 25. a bottom opening transmission gear; 26. a paper pressing base; 27. a paper pressing rod; 28. opening a bottom bearing gland; 29. opening a bottom bearing seat; 30. pressing a plate; 31. and fixing the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a bottom opening device for a square bottom paper bag comprises a bottom opening spline transmission shaft 1, a spline housing 2, a paper clamp 9, a pressing wheel 12, an adjustable paper clamping cam 13, a fixed paper clamping cam 14, an adjusting seat 15, an adjusting plate 23, a bottom opening transmission gear 25, a paper pressing rod 27 and a fixed shaft 31, wherein one end of the bottom opening spline transmission shaft 1 is fixedly sleeved with the bottom opening transmission gear 25, the middle section of the bottom opening spline transmission shaft 1 is rotatably sleeved with the paper pressing seat 26, the center of the top of the paper pressing seat 26 is fixedly provided with the T-shaped paper pressing rod 27, two ends of the bottom opening spline transmission shaft 1 are rotatably sleeved with bottom opening bearing seats 29 through bottom opening bearing pressing covers 28, the top of each bottom opening bearing seat 29 is fixedly connected with one side of the bottom of a pressing plate 30, one side corners of the pressing plate 30 and the adjusting seat 15 are fixedly sleeved with two ends of the fixed shaft 31, the spline housing 2 is symmetrically sleeved with two ends of the middle section of the bottom opening spline transmission shaft 1, one end of the spline housing 2 is fixedly sleeved with a paper clamping wheel 3, a rubber pad 4 is fixedly embedded on one side of the top of the paper clamping wheel 3, a clamping seat 5 is slidably sleeved on the middle section of the spline sleeve 2, two sides of the top of the clamping seat 5 are fixedly sleeved with two ends of a pin shaft 6, a torsion spring sleeve 7, a bottom-opening torsion spring 8 and a paper clamp 9 are respectively rotatably sleeved on the middle section of the pin shaft 6, one end of an elastic cylindrical pin 10 is fixedly embedded on the top ends of two sides of the paper clamp 9, the center of the side surface of the paper clamp 9 is fixedly sleeved with one end of a wheel shaft 11, the other end of the wheel shaft 11 is rotatably sleeved with a pressing wheel 12 through a ball bearing, the pressing wheel 12 is movably embedded in a groove formed between the adjustable paper clamping cam 13 and the fixed paper clamping cam 14, the adjustable paper clamping cam 13 is embedded in the outer edge of the side surface of the fixed paper clamping cam 14, the fixed paper clamping cam 14 is movably sleeved on an adjusting seat 15, the adjusting seat 15 is movably sleeved with the other end of the spline sleeve 2 through a bearing retainer ring 16 and a deep groove ball bearing 17 with dust covers on two sides, one corner of the top end of the side surface of the adjusting seat 15 is fixedly connected with the bottom end of the side surface of the open bottom plate 18, the top end of the side surface of the open bottom plate 18 is fixedly connected with the side surface of the screw rod fixing block 19, the screw rod fixing block 19 is rotatably sleeved with one end of the middle section of the adjusting screw rod 20 through a ball bearing, one end of the adjusting screw rod 20 is fixedly sleeved with an internal thread five-star handle 21, the other end of the adjusting screw rod 20 is slidably sleeved with an adjusting nut 22, the side surface of the adjusting nut 22 is fixedly connected with the top end of the side surface of the adjusting plate 23, the bottom end of the side surface of the adjusting plate 23 is rotatably connected with the other corner of the top end of the side surface of the adjusting seat 15 through an internal hexagonal cup head shoulder bolt 24, a torsion spring structure is additionally arranged on the pressing wheel 12, so that the clamping force between the paper clamp 9 and the paper clamping wheel 3 is enhanced, the paper clamping action is stable, paper materials are not easy to fall off midway, the working reliability is good, the size precision of the open bottom is improved, the yield is high, and the product quality is good, the production efficiency of the square-bottom paper bag is improved.

When the utility model is used, firstly, the adjusting screw 20 is rotated by the internal thread five-star handle 21, the adjusting screw 20 on the adjusting nut 22 slides, then the adjusting plate 23 rotates to a proper angle around the hexagon socket head shoulder bolt 24, then the adjustable paper clamping cam 13 on the fixed paper clamping cam 14 is adjusted to a proper position, further the pressing wheel 12 moves to a proper position, then the bottom-opening spline transmission shaft 1 is rotated by the bottom-opening transmission gear 25, the spline housing 2 drives the paper clamping wheel 3 and the clamping seat 5 to rotate together relative to the adjusting seat 15, then the pressing wheel 12 rotates in the groove between the adjustable paper clamping cam 13 and the fixed paper clamping cam 14 in an oval shape, further the bottom-opening torsion spring 8 is twisted by the push-pull wheel shaft 11, the paper clamping 9 and the rubber pad 4 on the paper clamping wheel 3 are driven to open and close once per rotation, the paper clamping and loosening actions are realized, and the paper clamping actions are stable, the paper material is not easy to fall off midway, the working reliability is good, the dimensional accuracy of the bottom opening is improved, the yield is high, the product quality is good, and the production efficiency of the square-bottom paper bag is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a square end container bag end opening device, includes open end spline transmission shaft (1), spline housing (2), paper holder (9), pinch roller (12), adjustable paper cam (13) that presss from both sides, fixed paper cam (14) that presss from both sides, adjusts seat (15), regulating plate (23), open end drive gear (25), fly rod (27), open end bearing gland (28) and fixed axle (31), its characterized in that: open end spline transmission shaft (1) both ends symmetry in middle section has cup jointed spline housing (2), and the fixed cover in one end of spline housing (2) has connect and has pressed from both sides paper wheel (3), and one side of pressing from both sides paper wheel (3) top is fixed to be inlayed and is equipped with rubber pad (4), and the middle section slip of spline housing (2) has cup jointed holder (5), and the both sides at holder (5) top are fixed with the fixed cover in both ends of round pin axle (6) and are connect, and the middle section of round pin axle (6) rotates respectively to cup joint and has turned round spring housing (7), open end torsional spring (8) and paper clamp (9), and the top of paper clamp (9) both sides is all fixed the one end of inlaying and being equipped with elasticity cylindric lock (10).

2. A square bottom paper bag bottom opening device according to claim 1, characterized in that: the center of the side face of the paper clamp (9) is fixedly sleeved with one end of a wheel shaft (11), the other end of the wheel shaft (11) is rotatably sleeved with a pressing wheel (12) through a ball bearing, the pressing wheel (12) is movably embedded in a groove formed between an adjustable paper clamping cam (13) and a fixed paper clamping cam (14), the adjustable paper clamping cam (13) is embedded in the outer edge of the side face of the fixed paper clamping cam (14), the fixed paper clamping cam (14) is movably sleeved on an adjusting seat (15), and the adjusting seat (15) is movably sleeved with the other end of the spline sleeve (2) through a bearing retainer ring (16) and a deep groove ball bearing (17) with dust covers on two sides.

3. A square bottom paper bag bottom opening device according to claim 2, characterized in that: the utility model discloses a five star handle adjusting device, including adjusting seat (15), the one corner on side top and the bottom fixed connection who opens bottom plate (18) side, the top of opening bottom plate (18) side and the side fixed connection of screw rod fixed block (19), screw rod fixed block (19) are rotated through ball bearing and the one end in adjusting screw rod (20) middle section and are cup jointed, the fixed cover of one end of adjusting screw rod (20) has been cup jointed internal thread five star handle (21), adjusting screw rod (20) other end slides and has been cup jointed adjusting nut (22), the side of adjusting nut (22) and the top fixed connection of adjusting plate (23) side, the bottom of adjusting plate (23) side is passed through interior hexagonal cup head shoulder bolt (24) and is connected with another angle rotation on adjusting seat (15) side top.

4. A square bottom paper bag bottom opening device according to claim 3, characterized in that: the bottom-opening spline transmission shaft is characterized in that a bottom-opening transmission gear (25) is fixedly sleeved at one end of the bottom-opening spline transmission shaft (1), a paper pressing seat (26) is rotatably sleeved at the middle section of the bottom-opening spline transmission shaft (1), and a T-shaped paper pressing rod (27) is fixedly installed at the center of the top of the paper pressing seat (26).

5. A device for opening square-bottomed paper bags according to claim 4, characterized in that: open end spline transmission shaft (1) both ends all rotate through opening end bearing gland (28) and cup joint and open end bearing frame (29), open one side fixed connection of top and clamp plate (30) bottom of end bearing frame (29), and the fixed cover in both ends of fixed axle (31) is all connected with the side one corner of clamp plate (30) and regulation seat (15).