Cement bag cutting device

Abstract

The utility model discloses a cement bag cutting device which comprises a rack. The bag grabbing mechanism, the bag cutting mechanism and the bag pushing mechanism are installed on the machine frame and sequentially arranged in the advancing direction of cement bags on the machine frame, and below the initial position of the bag grabbing mechanism, the lifting mechanism lifts cement and then touches a bag grabbing travel switch, and then the bag grabbing mechanism conducts bag grabbing action. After the bag grabbing control frame touches the bag cutting starting travel switch, the bag cutting mechanism conducts bag cutting starting action, after the bag grabbing control frame touches the bag cutting stopping travel switch, the bag cutting mechanism conducts bag cutting stopping action, after the bag grabbing control frame touches the bag arranging travel switch, the bag grabbing mechanism conducts bag placing action, and the bag pushing mechanism conducts bag arranging action. The structure is easy and convenient to operate and short in consumed time, cutting efficiency can be improved, cutting time can be shortened, and then the work progress of various engineering projects is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of cement bag cutting, in particular to a cement bag cutting device. Background Art

[0002] The wet spraying machine is a powerful and efficient concrete spraying equipment. It uses high pressure to spray the premixed concrete slurry accurately and evenly onto the designated work surface through a specially designed nozzle. During the construction process, this equipment can ensure the quality and durability of concrete by mixing water and air into the concrete. The excellent performance of the wet spraying machine plays an indispensable role in various large-scale engineering projects. Its most prominent advantages include high spraying quality, low rebound rate, low dust generation and high concrete strength. These advantages not only improve construction efficiency but also reduce environmental pollution. Therefore, the wet spraying machine has been widely used in civil engineering projects such as tunnels and underground facilities, and is deeply favored by engineers. In order to meet different construction needs, the wet spraying machine also has excellent application flexibility. Engineers can add various additives to the concrete, such as accelerators and retarders, to achieve more precise construction control.

[0003] Cement is one of the materials used in wet spraying. Before using cement, the cement bag needs to be cut open to remove the cement. If only a small amount of cement is needed, this operation is relatively easy. However, if a large amount of cement is needed, the process of cutting the cement bag becomes very time-consuming and laborious.

[0004] There is a lack of cutting equipment specifically for cement bags on the market. If other cutting tools are used, the operation is often cumbersome and time-consuming. Therefore, there is an urgent need for a new cement bag cutting device that is easy to operate and takes less time. The development of this device will greatly improve the efficiency of cement bag cutting, reduce the difficulty of operation, and provide a strong guarantee for the smooth progress of various civil engineering, water conservancy engineering and national defense engineering. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model provides a cement bag cutting device, which is easy to operate and time-saving, can improve cutting efficiency, shorten cutting time, and thus speed up the progress of various engineering projects. At the same time, the device can reduce manual operation steps, reduce the difficulty of workers' operation, reduce labor intensity, effectively avoid dangerous situations that may occur during operation, and ensure the safety of workers.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a cement bag cutting device, comprising a frame; a bag grabbing mechanism, a bag cutting mechanism and a bag pushing mechanism which are installed on the frame and arranged in sequence along the traveling direction of the cement bag on the frame, wherein:

[0007] A bag grabbing mechanism, the bag grabbing mechanism includes a bag grabbing control frame installed on a frame, a first driving member provides power for the bag grabbing control frame and drives the bag grabbing control frame to reciprocate along the cement bag moving path, a support plate is provided on the bag grabbing control frame, a second driving member is provided on the upper plate surface of the support plate, a bag grabbing hook body is provided on the lower plate surface of the support plate, the bag grabbing hook body is connected to the second driving member and performs an opening or closing action under the action of the second driving member, the second driving member includes two driving cylinders located on the upper plate surface of the support plate, the bag grabbing hook body includes two connecting plates corresponding to each other, and the connecting plates are connected to the driving cylinders and drive the connecting plates to move toward or away from each other under the action of the driving cylinders, with the connecting plates facing each other as the inner side, and at least one connecting hook is provided on the inner side of the connecting plate;

[0008] The bag cutting mechanism includes a bag breaking cutter wheel shaft installed on a frame, an air motor installed at an input end of the bag breaking cutter wheel shaft and providing rotational power to the bag breaking cutter wheel shaft, a circular blade is arranged on the cutter wheel shaft and the circular blade rotates with the bag breaking cutter wheel shaft, the circular blade is located in the moving path of the cement bag and cuts the cement bag after the cement bag passes through the circular blade;

[0009] A collecting part is arranged below the bag cutting mechanism to collect cement that falls after the cement bag is cut open;

[0010] The bag pushing mechanism includes a bag discharge space, in which a third driving member and a bag discharge pushing plate are arranged. The bag grabbing mechanism performs a bag loosening action in the bag pushing space and causes the cement bag to fall onto the bag discharge pushing plate in the bag discharge space. The third driving member drives the bag discharge pushing plate to perform bag discharge action. The third driving member is a rodless cylinder.

[0011] A control mechanism is provided with a bag cutting start travel switch, a bag cutting stop travel switch and a bag discharge travel switch in sequence along the cement bag moving path. Below the initial position of the bag grabbing mechanism, the lifting mechanism lifts the cement and touches the bag grabbing travel switch, and then the bag grabbing mechanism performs a bag grabbing action. After the bag grabbing control frame touches the bag cutting start travel switch, the bag cutting mechanism is controlled to perform a bag cutting action. After the bag grabbing control frame touches the bag cutting stop travel switch, the bag cutting mechanism is controlled to stop the bag cutting action. After the bag grabbing control frame touches the bag discharge travel switch, the bag pushing mechanism controls the bag grabbing mechanism to perform a bag releasing action and the bag pushing mechanism to perform a bag discharge action.

[0012] The above structure is easy to operate and takes less time, which can improve cutting efficiency, shorten cutting time, and thus speed up the progress of various engineering projects. At the same time, the device can reduce manual operation steps, reduce the difficulty of operation for workers, reduce labor intensity, effectively avoid possible dangerous situations during operation, and ensure the safety of workers.

[0013] The cement bag cutting device of the utility model has the following beneficial effects:

[0014] 1. The utility model is a cement bag cutting device, which has the advantages of simple operation, short time consumption, improved cutting efficiency and shortened cutting time, thereby accelerating the progress of various engineering projects. At the same time, the device can reduce manual operation steps, reduce the difficulty of workers' operation, reduce labor intensity, effectively avoid possible dangerous situations during operation, and ensure the safety of workers.

[0015] With reference to the following description and drawings, a specific embodiment of the present invention is disclosed in detail, indicating the manner in which the principle of the present invention can be adopted. It should be understood that the scope of the embodiment of the present invention is not limited thereby, and the embodiment of the present invention includes many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top view structural schematic diagram of a cement bag cutting device;

[0017] Figure 2 It is a top view structural schematic diagram of the bag grabbing mechanism in the utility model;

[0018] Figure 3 It is a bottom view schematic diagram of the bag grabbing mechanism in the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the bag cutting mechanism in the utility model;

[0020] Figure 5 This is a schematic diagram of the main structure of the bag pushing mechanism in the utility model;

[0021] Figure 6 It is a bottom view structural diagram of the connecting hook in the utility model.

[0022] In the figure: 1. frame; 2. bag grabbing mechanism; 21. bag grabbing control frame; 22. first driving member; 23. support plate; 24. second driving member; 241. driving cylinder; 242. connecting plate; 25. bag grabbing hook body; 3. bag cutting mechanism; 31. bag breaking wheel axle; 32. pneumatic motor; 33. circular blade; 34. collecting part; 4. bag pushing mechanism; 41. bag discharge space; 42. third driving member; 43. bag discharge pushing plate; 5. connecting hook. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the scope of the utility model.

[0024] It should be noted that when an element is referred to as being "disposed on, provided with" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected, connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. "Fixed connection" means a fixed connection. There are many ways of fixed connection, which are not within the scope of protection of this article. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only and do not represent the only implementation method.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art of the present invention. The terms used in the specification are only for the purpose of describing specific implementations and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Please refer to the instruction manual Figure 1-5 The utility model provides a first embodiment of a cement bag cutting device, which comprises a frame 1; a bag grabbing mechanism 2, a bag cutting mechanism 3 and a bag pushing mechanism 4 which are installed on the frame 1 and arranged in sequence along the direction of travel of the cement bag on the frame 1, wherein:

[0027] The bag grabbing mechanism 2 includes a bag grabbing control frame 21 installed on the frame 1, a first driving member 22 provides power for the bag grabbing control frame 21 and drives the bag grabbing control frame 21 to reciprocate along the cement bag moving path, for example, the first driving member 22 is a pneumatic telescopic rod, a support plate 23 is provided on the bag grabbing control frame 21, a second driving member 24 is provided on the upper plate surface of the support plate 23, a bag grabbing hook body 25 is provided on the lower plate surface of the support plate 23, and the bag grabbing hook body 25 and the second driving member 24 are connected to each other. The bag grabbing hook body 25 is connected to the second driving member 24 and opens or closes under the action of the second driving member 24. The second driving member 24 includes two driving cylinders 241 located on the upper plate surface of the support plate 23. The bag grabbing hook body 25 includes two connecting plates 242 corresponding to the positions thereof. The connecting plates 242 are connected to the driving cylinders 241 and drive the connecting plates 242 to move toward or away from each other under the action of the driving cylinders 241. The inner side of the connecting plates 242 is provided with six connecting hooks 5.

[0028] The bag cutting mechanism 3 includes a bag breaking cutter wheel shaft 31 installed on the frame 1, an air motor 32 installed at the input end of the bag breaking cutter wheel shaft 31 and providing rotational power to the bag breaking cutter wheel shaft 31, a circular blade 33 arranged on the cutter wheel shaft and rotating with the bag breaking cutter wheel shaft 31, and the circular blade 33 is located in the moving path of the cement bag and cuts the cement bag after the cement bag passes through the circular blade 33;

[0029] A collecting portion 34, which is arranged below the bag cutting mechanism 3 to collect cement that falls after the cement bag is cut open;

[0030] The bag pushing mechanism 4 includes a bag discharge space 41, in which a third driving member 42 and a bag discharge pushing plate 43 are arranged. The bag grabbing mechanism 2 performs a bag loosening action in the bag pushing space and causes the cement bag to fall into the bag discharge space 41. The third driving member 42 drives the bag discharge pushing plate 43 to discharge the bag. The third driving member 42 is a rodless cylinder.

[0031] A control mechanism is provided with a bag cutting start travel switch, a bag cutting stop travel switch and a bag discharge travel switch in sequence along the cement bag moving path. After the bag grabbing control frame 21 touches the bag cutting start travel switch, the bag cutting mechanism 3 performs a bag cutting action. After the bag grabbing control frame 21 touches the bag cutting stop travel switch, the bag cutting mechanism 3 is controlled to perform a bag cutting stop action. After the bag grabbing control frame 21 touches the bag discharge travel switch, the bag pushing mechanism 4 controls the bag grabbing mechanism 2 to perform a bag placing action and the bag pushing mechanism 4 to perform a bag discharge action.

[0032] The cement bag cutting device provided in this embodiment has the following working process:

[0033] When the cement bag reaches the bag grabbing device, the second driving member 24 drives the bag grabbing hook body 25 to open or close to realize the bag grabbing operation of the cement bag. Then, the first driving member 22 drives the bag grabbing control frame 21 to move linearly along the frame 1, and controls the bag cutting mechanism 3 to cut the bag after triggering the bag cutting stroke switch. After cutting the bag, the cement falls into the collecting part below along the cutting mouth. Then, the cement bag with the cement removed is attached to the bag grabbing control frame 21, and the bag grabbing mechanism 2 loosens the bag in the bag pushing space and makes the cement bag fall into the bag discharge space 41. The third driving member 42 drives the bag discharge push plate 43 to discharge the bag. After the empty cement bag is discharged, the third driving member 42 drives the bag discharge push plate 43 to retract and reset to the original position. The bag grabbing mechanism 2 returns to the bag grabbing area and starts a new cycle.

[0034] The above structure is easy to operate and takes less time, which can improve cutting efficiency, shorten cutting time, and thus speed up the progress of various engineering projects. At the same time, the device can reduce manual operation steps, reduce the difficulty of operation for workers, reduce labor intensity, effectively avoid possible dangerous situations during operation, and ensure the safety of workers.

[0035] Please refer to the instruction manual Figure 1-6The utility model provides a possible second embodiment of a cement bag cutting device, in which a further improvement is made to the connecting hook 5, and the improvement does not affect the structure of the cement bag cutting device in the first embodiment. In detail, the device includes a frame 1; a bag grabbing mechanism 2, a bag cutting mechanism 3 and a bag pushing mechanism 4 which are installed on the frame 1 and arranged in sequence along the traveling direction of the cement bag on the frame 1, wherein:

[0036] The bag grabbing mechanism 2 includes a bag grabbing control frame 21 installed on the frame 1, a first driving member 22 provides power for the bag grabbing control frame 21 and drives the bag grabbing control frame 21 to reciprocate along the cement bag moving path, a support plate 23 is provided on the bag grabbing control frame 21, a second driving member 24 is provided on the upper plate surface of the support plate 23, a bag grabbing hook body 25 is provided on the lower plate surface of the support plate 23, the bag grabbing hook body 25 is connected to the second driving member 24 and opens or closes under the action of the second driving member 24, the second driving member 24 includes two driving cylinders 241 located on the upper plate surface of the support plate 23, the bag grabbing hook body 25 includes two corresponding connecting plates 242, and the connecting plates 242 are connected to the driving cylinders 241 and drive the connecting plates 242 to move toward or away from each other under the action of the driving cylinders 241, with the connecting plates 242 facing each other as the inner side, and the inner side of the connecting plates 242 is provided with 6 connecting hooks 5;

[0037] The bag cutting mechanism 3 includes a bag breaking cutter wheel shaft 31 installed on the frame 1, an air motor 32 installed at the input end of the bag breaking cutter wheel shaft 31 and providing rotational power to the bag breaking cutter wheel shaft 31, a circular blade 33 arranged on the cutter wheel shaft and rotating with the bag breaking cutter wheel shaft 31, and the circular blade 33 is located in the moving path of the cement bag and cuts the cement bag after the cement bag passes through the circular blade 33;

[0038] A collecting portion 34, which is arranged below the bag cutting mechanism 3 to collect cement that falls after the cement bag is cut open;

[0039] The bag pushing mechanism 4 includes a bag discharge space 41, in which a third driving member 42 and a bag discharge pushing plate 43 are provided. The bag grabbing mechanism 2 performs a bag loosening action in the bag pushing space and causes the cement bag to fall into the bag discharge space 41, and the third driving member 42 drives the bag discharge pushing plate 43 to perform a bag discharge action.

[0040] Furthermore, the above-mentioned connecting hook 5 includes a connecting portion 51 fixed on the connecting plate 242 and a first hook body 52 that can be detachably matched with the connecting portion 51, and a second hook body 53 is inserted into the first hook body 52, and the second hook body 53 is provided with a screw connection portion 54 that is screwed to the first hook body 52, and a hook head 55 is provided on one end of the second hook body 53, and the second hook body 53 is detachably connected to the connecting portion 51, and the length of the second hook body 53 is smaller than that of the first hook body 52. ​​In this structure, the first hook body 52 and the second hook body 53 form bag grabbing hook bodies 25 of different lengths to adapt to cement bags of different sizes.

[0041] Please refer to the instruction manual Figure 1-6 The utility model provides a possible third embodiment of a cement bag cutting device. The improvement does not affect the structure of the cement bag cutting device in the first embodiment and the second embodiment. In detail, the device includes a frame 1; a bag grabbing mechanism 2, a bag cutting mechanism 3 and a bag pushing mechanism 4 which are installed on the frame 1 and arranged in sequence along the direction of travel of the cement bag on the frame 1, wherein:

[0042] The bag grabbing mechanism 2 includes a bag grabbing control frame 21 installed on the frame 1, a first driving member 22 provides power for the bag grabbing control frame 21 and drives the bag grabbing control frame 21 to reciprocate along the cement bag moving path, a support plate 23 is provided on the bag grabbing control frame 21, a second driving member 24 is provided on the upper plate surface of the support plate 23, a bag grabbing hook body 25 is provided on the lower plate surface of the support plate 23, the bag grabbing hook body 25 is connected to the second driving member 24 and opens or closes under the action of the second driving member 24, the second driving member 24 includes two driving cylinders 241 located on the upper plate surface of the support plate 23, the bag grabbing hook body 25 includes two corresponding connecting plates 242, and the connecting plates 242 are connected to the driving cylinders 241 and drive the connecting plates 242 to move toward or away from each other under the action of the driving cylinders 241, with the connecting plates 242 facing each other as the inner side, and the inner side of the connecting plates 242 is provided with 6 connecting hooks 5;

[0043] The bag cutting mechanism 3 includes a bag breaking cutter wheel shaft 31 installed on the frame 1, an air motor 32 installed at the input end of the bag breaking cutter wheel shaft 31 and providing rotational power to the bag breaking cutter wheel shaft 31, a circular blade 33 arranged on the cutter wheel shaft and rotating with the bag breaking cutter wheel shaft 31, and the circular blade 33 is located in the moving path of the cement bag and cuts the cement bag after the cement bag passes through the circular blade 33;

[0044] A collecting portion 34, which is arranged below the bag cutting mechanism 3 to collect cement that falls after the cement bag is cut open;

[0045] The bag pushing mechanism 4 includes a bag discharge space 41, in which a third driving member 42 and a bag discharge pushing plate 43 are provided. The bag grabbing mechanism 2 performs a bag loosening action in the bag pushing space and causes the cement bag to fall into the bag discharge space 41, and the third driving member 42 drives the bag discharge pushing plate 43 to perform a bag discharge action.

[0046] Furthermore, the above-mentioned connecting hook 5 includes a connecting portion 51 fixed on the connecting plate 242 and a first hook body 52 that can be detachably matched with the connecting portion 51, and a second hook body 53 is inserted into the first hook body 52, and the second hook body 53 is provided with a threaded portion 54 that is threadedly connected to the first hook body 52, and a hook head 55 is provided on one end of the second hook body 53, and the second hook body 53 is detachably connected to the connecting portion 51, and the length of the second hook body 53 is less than that of the first hook body 52, and the second hook body 53 is a spare hook body. In this structure, the second hook body 53 is a spare hook body structure, so that when the first hook body 52 is damaged, it can be quickly switched to the second hook body 53 as a spare hook body, thereby ensuring the continuity and efficiency of the work.

[0047] For example, in the present embodiment, the outside of the connecting portion is provided with a first external thread structure and the inside is provided with a first internal thread structure, the first hook body is provided with a second internal thread structure which is threadedly matched with the first external thread structure, the second external thread structure is arranged on the second hook body and the second external thread structure is threadedly matched with the first internal thread structure, the threaded connection portion is a third external thread structure, and the inside of the first hook body is provided with a third internal thread structure which is a matching structure with the third external thread structure.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cement bag cutting device, characterized in that: It comprises a frame (1); a bag grabbing mechanism (2), a bag cutting mechanism (3) and a bag pushing mechanism (4) which are mounted on the frame (1) and arranged in sequence along the traveling direction of cement bags on the frame (1), wherein: A bag grabbing mechanism (2), the bag grabbing mechanism (2) comprising a bag grabbing control frame (21) mounted on a frame (1), a first driving member (22) providing power to the bag grabbing control frame (21) and driving the bag grabbing control frame (21) to perform a reciprocating movement along a cement bag moving path, a support plate (23) being provided on the bag grabbing control frame (21), a second driving member (24) being provided on an upper plate surface of the support plate (23), a bag grabbing hook body (25) being provided on a lower plate surface of the support plate (23), the bag grabbing hook body (25) being connected to the second driving member (24) and performing an opening or closing movement under the action of the second driving member (24); A bag cutting mechanism (3), the bag cutting mechanism (3) being installed in the path of the cement bag to cut the cement bag; The bag pushing mechanism (4) comprises a bag discharge space (41), wherein a third driving member (42) and a bag discharge pushing plate (43) are arranged in the bag discharge space (41), wherein the bag grabbing mechanism (2) performs a bag loosening action in the bag pushing space and causes the cement bag to fall into the bag discharge space (41), and the third driving member (42) drives the bag discharge pushing plate (43) to perform a bag discharge action.

2. A cement bag cutting device according to claim 1, characterized in that: The bag cutting mechanism (3) comprises a bag breaking cutter wheel shaft (31) mounted on the frame (1); an air motor (32) mounted on the input end of the bag breaking cutter wheel shaft (31) and providing rotational power for the bag breaking cutter wheel shaft (31); a circular blade (33) arranged on the cutter wheel shaft and rotating with the bag breaking cutter wheel shaft (31); the circular blade (33) is located in the moving path of the cement bag and cuts the cement bag after the cement bag passes through the circular blade (33).

3. A cement bag cutting device according to claim 1, characterized in that: The second driving member (24) comprises two driving cylinders (241) located on the upper plate surface of the support plate (23), and the bag grabbing hook body (25) comprises two connecting plates (242) at corresponding positions, and the connecting plates (242) are connected to the driving cylinders (241) and driven by the driving cylinders (241) to move toward or away from each other, with the facing direction of the connecting plates (242) being the inner side, and six connecting hooks (5) are arranged on the inner side of the connecting plate (242).

4. A cement bag cutting device according to claim 3, characterized in that: The connecting hook (5) has a pointed portion for piercing the cement bag.

5. A cement bag cutting device according to any one of claims 1 to 4, characterized in that: Also includes: A collecting portion (34) is arranged below the bag cutting mechanism (3) to collect cement that falls after the cement bag is cut open.

6. A cement bag cutting device according to claim 5, characterized in that: Also includes: The control mechanism is provided with a bag cutting start travel switch, a bag cutting stop travel switch and a bag discharge travel switch in sequence along the cement bag moving path.

7. A cement bag cutting device according to claim 6, characterized in that: The third driving member (42) is a rodless cylinder.

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