Loading shaft anti-falling protection structure of bag making machine

Abstract

The utility model discloses a feeding shaft anti-falling protection structure of a bag making machine. The feeding shaft anti-falling protection structure comprises a feeding frame, a feeding shaft, a feeding driving piece, a feeding transmission assembly and an anti-falling protection device. The anti-disengagement protection device comprises an anti-disengagement driving piece, an anti-disengagement shaft plate and an anti-disengagement shaft sleeve arranged on the anti-disengagement shaft plate. The anti-disengagement driving piece can enable the anti-disengagement shaft plate to move away from or close to the feeding shaft, so that the anti-disengagement shaft sleeve is disengaged from or arranged at the end of the feeding shaft in a sleeving mode. According to the feeding device, the mode that the anti-disengaging shaft sleeve is disengaged from and arranged at the end of the feeding shaft in a sleeving mode is utilized, the anti-disengaging fixing state and the anti-disengaging releasing state of the feeding shaft are switched, the safety risk of tooth disengaging and tooth skipping of the feeding shaft in the working process is effectively avoided, and the safety risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bag-making equipment, in particular to an anti-disengagement protection structure for a loading shaft of a bag-making machine. Background Art

[0002] The existing bag-making machines generally include a loading device, a feeding device, a hot cutting device, a cold pressing device, a conveying device, an unloading device, etc. Among them, the loading device is a loading device for installing a raw material paper tube and feeding the raw material paper forward. During the production process of packaging bags, it is necessary to frequently disassemble the loading shaft to replace the raw material paper tube on the loading shaft; therefore, the mounting bracket of the loading shaft is usually a rotating groove structure with an open upper part. However, in this kind of mounting bracket structure, there is a safety risk of tooth disengagement and jumping teeth when the loading shaft rotates synchronously with the rotating gear, and there is a risk of injuring the operator. Therefore, further improvement is needed. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides an anti-disengagement protection structure for a loading shaft of a bag-making machine.

[0004] An embodiment of the utility model solves the technical problem by adopting the following technical solution: an anti-disengagement protection structure for a loading shaft of a bag-making machine, characterized by comprising: a loading frame, a loading shaft, and an anti-disengagement protection device;

[0005] The loading shaft is rotatably installed on the loading frame; the anti-disengagement protection device includes an anti-disengagement driving member, an anti-disengagement shaft plate, and an anti-disengagement shaft sleeve arranged on the anti-disengagement shaft plate; the anti-disengagement driving member can move the anti-disengagement shaft plate away from or close to the loading shaft, so that the anti-disengagement shaft sleeve disengages from or sleeves on the end of the loading shaft.

[0006] Optionally, it further includes a loading driving member and a loading transmission assembly;

[0007] The loading frame is provided with a loading area and a side transmission area; the loading frame is provided with open loading rotating grooves on opposite sides of the loading area; the loading shaft can be placed in the loading rotating grooves and rotate in the loading area; the side transmission area is arranged close to the loading area; a loading transmission tooth is arranged at one end of the loading shaft extending into the side transmission area; the loading driving member can drive the loading transmission tooth to rotate through the loading transmission assembly.

[0008] Optionally, an end bearing is arranged at the end of the loading shaft located in the side transmission area; the anti-disengagement shaft sleeve can sleeve on the outside of the end bearing.

[0009] Optionally, an anti-disengagement fixed shaft is arranged in the side transmission area; the anti-disengagement shaft plate can telescopically move back and forth on the anti-disengagement fixed shaft.

[0010] Optionally, a linear bearing is provided between the anti-loosening shaft plate and the anti-loosening fixed shaft.

[0011] Optionally, the feeding transmission assembly includes a feeding rotating shaft and a feeding driving tooth; the feeding transmission tooth can be meshed with the feeding driving tooth, and the feeding driving member can drive the feeding rotating shaft to rotate.

[0012] Optionally, the feeding rotating shaft penetrates through the anti-loosening shaft plate, and the anti-loosening shaft plate can telescopically move back and forth on the feeding rotating shaft; an anti-loosening bushing is provided between the anti-loosening shaft plate and the feeding rotating shaft.

[0013] Optionally, a protective cover assembly is provided in the side transmission area; the protective cover assembly can cover the feeding transmission assembly, the anti-loosening protection device, and the end of the feeding shaft extending into the side transmission area.

[0014] Optionally, the protective cover assembly includes a first cover shell and a second cover shell that are flip-connectable; the first cover shell can be flipped to cover the end of the feeding shaft extending into the side transmission area; by rotating and opening the first cover shell, the feeding shaft can be taken out from the protective cover assembly.

[0015] Advantages of the present utility model: The feeding shaft can be placed in the feeding rotating groove and rotated in the feeding area. The feeding driving member can drive the feeding transmission tooth to transmit through the feeding transmission assembly, so that the feeding shaft in the feeding area can be conveniently disassembled and replaced with a raw material paper tube and the raw material paper can be conveyed forward. In the present utility model, the anti-loosening driving member can move the anti-loosening shaft plate away from or close to the feeding shaft, so that the anti-loosening shaft sleeve is disengaged from or sleeved on the end of the feeding shaft; by using the method of disengaging and sleeving the anti-loosening shaft sleeve on the end of the feeding shaft, the anti-loosening fixed state and the anti-loosening release state of the feeding shaft are switched, effectively avoiding the safety risk of tooth disengagement and tooth skipping of the feeding shaft during the working process, and reducing the safety risk.

[0016] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following specific preferred embodiments are given below in conjunction with the accompanying drawings and are described in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a schematic structural diagram of the anti-loosening protection structure for the feeding shaft;

[0019] Figure 2 It is Figure 1 A schematic structural diagram of the anti-loosening protection structure for the feeding shaft after removing the protective cover assembly;

[0020] Figure 3 It is a top view of the anti - detachment protection structure of the loading shaft in 2.

[0021] Description of main component symbols:

[0022] 10. Loading rack; 11. Loading area; 12. Side drive area; 13. Loading rotation groove; 20. Loading shaft; 21. Loading drive gear; 22. End bearing; 30. Loading drive component; 40. Loading drive assembly; 41. Loading rotation shaft; 42. Loading drive tooth; 50. Anti - detachment protection device; 51. Anti - detachment drive component; 52. Anti - detachment shaft plate; 53. Anti - detachment shaft sleeve; 54. Anti - detachment fixed shaft; 55. Linear bearing; 56. Anti - detachment bushing; 60. Protective cover assembly; 61. First housing; 62. Second housing. Detailed implementation mode

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be understood as a limitation on the protection scope of the present utility model.

[0024] In the description of the present utility model, the meaning of "a plurality of" is more than two. Understand "greater than", "less than", "exceeding", etc. as not including the number itself, and understand "above", "below", "within", etc. as including the number itself. If it is described as "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0025] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0026] In the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense. For example, it can be directly connected, or indirectly connected through an intermediate medium; it can be fixedly connected, or detachably connected, and can also be integrally formed; it can be mechanically connected; it can be the communication inside two components or the interaction relationship between two components. Those skilled in the art can reasonably determine the specific meaning of the above words in the present utility model in combination with the specific content of the technical solution.

[0027] Embodiment

[0028] Reference Figures 1 to 3 Figures 1 to 3 , a protection structure against the detachment of the loading shaft 20 of a bag-making machine proposed by the present utility model, is characterized in that it comprises: a loading rack 10, a loading shaft 20, and a protection device 50 against detachment;

[0029] The loading shaft 20 is rotatably installed on the loading rack 10; the protection device 50 against detachment comprises a driving member 51 against detachment, a shaft plate 52 against detachment, and a shaft sleeve 53 against detachment provided on the shaft plate 52 against detachment; the driving member 51 against detachment can move the shaft plate 52 against detachment away from or close to the loading shaft 20, so that the shaft sleeve 53 against detachment is disengaged from or sleeved on the end of the loading shaft 20.

[0030] Specifically, it further comprises a driving member 30 for loading and a transmission assembly 40 for loading;

[0031] The loading rack 10 is provided with a loading area 11 and a side transmission area 12; the loading rack 10 is provided with open loading rotation grooves 13 on opposite sides of the loading area 11; the loading shaft 20 can be placed in the loading rotation grooves 13 and rotate in the loading area 11; the side transmission area 12 is arranged close to the loading area 11; one end of the loading shaft 20 extending into the side transmission area 12 is provided with a loading transmission gear 21; the driving member 30 for loading can drive the loading transmission gear 21 to transmit through the transmission assembly 40 for loading.

[0032] In the present utility model, the loading shaft 20 can be placed in the loading rotation grooves 13 and rotate in the loading area 11, and the driving member 30 for loading can drive the loading transmission gear 21 to transmit through the transmission assembly 40 for loading, so that it is convenient to disassemble, install and replace the raw material paper tube and convey the raw material paper forward for the loading shaft 20 in the loading area 11. In the present utility model, the driving member 51 against detachment can move the shaft plate 52 against detachment away from or close to the loading shaft 20, so that the shaft sleeve 53 against detachment is disengaged from or sleeved on the end of the loading shaft 20; by means of disengaging and sleeving the shaft sleeve 53 against detachment on the end of the loading shaft 20, the switching between the anti-detachment fixed state and the anti-detachment release state of the loading shaft 20 is carried out, effectively avoiding the safety risk of tooth detachment and tooth skipping of the loading shaft 20 during the working process and reducing the safety risk.

[0033] In this embodiment, an end bearing 22 is arranged at the end of the loading shaft 20 located in the side transmission area 12; the shaft sleeve 53 against detachment can be sleeved on the outside of the end bearing 22. The end bearing 22 and the shaft sleeve 53 against detachment are rotatably connected, reducing the friction between the loading shaft 20 and the shaft sleeve 53 against detachment, so that the loading shaft 20 in the anti-detachment fixed state rotates more flexibly.

[0034] In this embodiment, an anti-detachment fixed shaft 54 is arranged in the side transmission area 12; the shaft plate 52 against detachment can move back and forth telescopically on the anti-detachment fixed shaft 54. The anti-detachment fixed shaft 54 can limit the back-and-forth telescopic movement direction of the shaft plate 52 against detachment.

[0035] Specifically, in order to ensure that the anti-slip shaft plate 52 can smoothly extend and retract forward and backward on the anti-slip fixed shaft 54 ​​, a linear bearing 55 is provided between the anti-slip shaft plate 52 and the anti-slip fixed shaft 54 ​​.

[0036] In this embodiment, the feeding transmission assembly 40 includes a feeding rotation shaft 41 and a feeding driving tooth 42 ; the feeding driving tooth 21 can mesh with the feeding driving tooth 42 , and the feeding driving member 30 can drive the feeding transmission shaft to rotate.

[0037] Specifically, the feeding rotating shaft 41 is passed through the anti-slip shaft plate 52, and the anti-slip shaft plate 52 can be telescoped forward and backward on the feeding rotating shaft 41; the forward and backward telescopic movement of the anti-slip shaft plate 52 is further restricted by the feeding rotating shaft 41, so that the tilting or shaking dislocation of the anti-slip shaft plate 52 can be reduced, and the accuracy of restricting the forward and backward telescopic movement of the anti-slip shaft plate 52 is further ensured.

[0038] Furthermore, in order to ensure the stability of the movement of the anti-slip shaft plate 52 relative to the feeding rotating shaft 41 , an anti-slip bushing 56 is provided between the anti-slip shaft plate 52 and the feeding rotating shaft 41 .

[0039] In this embodiment, the side transmission area 12 is provided with a protective cover assembly 60; the protective cover assembly 60 can cover the feeding transmission assembly 40, the anti-slip protection device 50 and the end of the feeding shaft 20 extending into the side transmission area 12. By shielding the protective cover assembly 60, the risk of the operator's limbs extending into the rotating parts of the side transmission area 12 during work can be reduced, thereby improving safety.

[0040] Specifically, the protective cover assembly 60 includes a first cover shell 61 and a second cover shell 62 that are reversibly connected; the first cover shell 61 can be reversed and cover the end of the feeding shaft 20 extending into the side transmission area 12; the first cover shell 61 is rotated to open, and the feeding shaft 20 can be taken out from the protective cover assembly 60. The first cover shell 61 and the second cover shell 62 are rotatably arranged separately, and by rotating and opening the first cover shell 61, the feeding shaft 20 can be disassembled and taken out, and the raw material paper roll can be replaced.

[0041] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A bag-making machine feeding shaft anti-drop protection structure, characterized in that: include: A feeding frame (10), a feeding shaft (20), and an anti-drop protection device (50); The feeding shaft (20) is rotatably mounted on the feeding frame (10); the anti-slip protection device (50) comprises an anti-slip driving member (51), an anti-slip shaft plate (52) and an anti-slip shaft sleeve (53) arranged on the anti-slip shaft plate (52); the anti-slip driving member (51) can move the anti-slip shaft plate (52) away from or close to the feeding shaft (20), so that the anti-slip shaft sleeve (53) is detached from or sleeved on the end of the feeding shaft (20).

2. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 1 is characterized in that: It also includes a feeding drive member (30) and a feeding transmission assembly (40); The loading rack (10) is provided with a loading area (11) and a side transmission area (12); the loading rack (10) is provided with open loading rotation grooves (13) on opposite sides of the loading area (11); the loading shaft (20) can be placed in the loading rotation groove (13) and rotate in the loading area (11); the side transmission area (12) is arranged close to the loading area (11); one end of the loading shaft (20) extending into the side transmission area (12) is provided with a loading transmission tooth (21); the loading drive member (30) can drive the loading transmission tooth (21) to transmit through the loading transmission assembly (40).

3. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 2 is characterized in that: An end bearing (22) is provided at the end of the feeding shaft (20) located in the side transmission area (12); the anti-slip sleeve (53) can be sleeved on the outside of the end bearing (22).

4. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 2 is characterized in that: The side transmission area (12) is provided with an anti-slip fixed shaft (54); the anti-slip shaft plate (52) can be telescopically movable forward and backward on the anti-slip fixed shaft (54).

5. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 4 is characterized in that: A linear bearing (55) is provided between the anti-slip shaft plate (52) and the anti-slip fixed shaft (54).

6. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 2, characterized in that: The feeding transmission assembly (40) comprises a feeding rotating shaft (41) and a feeding driving tooth (42); the feeding driving tooth (21) can mesh with the feeding driving tooth (42), and the feeding driving member (30) can drive the feeding rotating shaft (41) to rotate.

7. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 6 is characterized in that: The feeding rotating shaft (41) is passed through the anti-slip shaft plate (52), and the anti-slip shaft plate (52) can be telescopically movable forward and backward on the feeding rotating shaft (41); an anti-slip bushing (56) is provided between the anti-slip shaft plate (52) and the feeding rotating shaft (41).

8. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 2, characterized in that: The side transmission area (12) is provided with a protective cover assembly (60); the protective cover assembly (60) can cover the feeding transmission assembly (40), the anti-slip protection device (50) and the end of the feeding shaft (20) extending into the side transmission area (12).

9. The anti-drop protection structure for the feeding shaft of the bag making machine according to claim 8, characterized in that: The protective cover assembly (60) comprises a first cover shell (61) and a second cover shell (62) which are connected in a flippable manner; the first cover shell (61) can be flipped to cover the end of the feeding shaft (20) extending into the side transmission area (12); the feeding shaft (20) can be removed from the protective cover assembly (60) by rotating and opening the first cover shell (61).

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