Bag single-layer cutter mechanism
By combining a servo translation module and a cam telescopic cutter, the problem of automatically cutting outer packaging bags without damaging the inner packaging bags in existing technologies has been solved, thus achieving automatic cutting of outer packaging bags without damaging the inner packaging bags.
Patent Information
- Application Number
- CN202520519697.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing automatic outer packaging removal machines cannot automatically cut and remove inner packaging bags that are larger than outer packaging bags without damaging the inner packaging bags.
The system employs a combination of a servo translation module and a cam telescopic cutter. The servo motor drives the lead screw to achieve the left and right translation of the cutter, while the servo motor and cam mechanism achieve the forward and backward extension of the cutter, ensuring automatic cutting of the outer packaging bag without damaging the inner packaging bag.
It enables automatic cutting and removal of the outer packaging bag without damaging the inner packaging bag, adapting to scenarios where the inner packaging bag is larger than the outer packaging bag.
Smart Images

Figure CN223878390U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of automatic unpacking and outer package removal, especially relates to a bag single layer cutter mechanism. BACKGROUND
[0002] In the food, medicine and other industries, raw materials are transported through two layers of packaging of woven bags and plastic bags. Before feeding, the woven bags are manually removed in the outer packaging room, and then the products are transported to the buffer area, and after disinfection, they are transported to the feeding room for feeding. When the inner packaging bag is larger than the outer packaging bag, the current automatic outer package removal machine cannot automatically cut and remove the outer packaging bag without damaging the inner packaging bag. SUMMARY
[0003] Therefore, the utility model aims at providing a bag single layer cutter mechanism to solve the problem that when the inner packaging bag is larger than the outer packaging bag, the outer packaging bag cannot be automatically cut and removed without damaging the inner packaging bag.
[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0005] A bag single layer cutter mechanism, comprising a frame, a servo translation module and a cam telescopic cutter, the servo translation module is installed to the mounting plate of the frame, the moving platform of the cam telescopic cutter is connected to the servo translation module, the cam telescopic cutter realizes step-by-step translation movement through the servo translation module, and the cutter body of the cam telescopic cutter realizes telescopic movement through the servo motor and the cam member.
[0006] Further, the frame further comprises a mounting rack, a bag fixing column and a bag fixing rack, the mounting plate is installed to one side of the mounting rack, one end of each of the two bag fixing columns is connected to the mounting plate, and the other end of each of the two bag fixing columns is connected to the two ends of the bag fixing rack.
[0007] Further, the cam telescopic cutter further comprises a driven plate and a fixed plate, the fixed plate is installed above the moving platform, the output shaft of the servo motor penetrates through the fixed plate and is connected with the cam member, and the cam member is slidably connected into the sliding groove of the driven plate.
[0008] Further, the cam telescopic cutter further comprises a linear slide rail and a sliding block, the cutter body is installed at the two ends above the driven plate, the sliding block is installed at the two ends below the driven plate, and each sliding block is slidably connected to a linear slide rail below.
[0009] Further, the cam telescopic cutter further comprises a protective cover, the protective cover is installed to the fixed plate and is used for isolating and protecting the cam member, the cutter body and the linear slide rail.
[0010] Further, the servo translation module uses a servo motor and a screw rod component to realize the step translation movement.
[0011] Further, the bag fixing frame is used for limiting one end of the bag to be unpacked.
[0012] Further, the cutter body and the driven plate are bolted.
[0013] Compared with the prior art, the bag single-layer cutter mechanism has the following beneficial effects:
[0014] The bag single-layer cutter mechanism realizes the left-right translation of the cutter body through the servo motor and the screw rod component, realizes the front-rear extension of the cutter body through the servo motor and the cam component, and finally realizes the automatic cutting and removal of the outer packaging bag without damaging the inner packaging bag when the inner packaging bag is larger than the outer packaging bag. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application illustrated in the drawings are presented by way of example or for purpose of illustration and not limitation.
[0016] Fig. 1 The overall structure schematic view of the embodiment of the application;
[0017] Fig. 2 The frame schematic view of the embodiment of the application;
[0018] Fig. 3 The overall structure schematic view of the cam extension cutter of the embodiment of the application;
[0019] Fig. 4 The internal structure schematic view of the cam extension cutter of the embodiment of the application.
[0020] Explanation of reference signs:
[0021] 1, frame; 2, servo translation module; 3, cam extension cutter; 11, mounting frame; 12, mounting plate; 13, bag fixing column; 14, bag fixing frame; 31, moving platform; 32, protective cover; 33, servo motor; 34, cutter body; 35, cam component; 36, driven plate; 37, fixed plate; 38, linear slide rail; 39, sliding block. DETAILED DESCRIPTION
[0022] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.
[0023] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0026] like Figs. 1 to 4 As shown, the single-layer bag cutting mechanism includes a frame 1, a servo translation module 2, and a cam telescopic cutter 3. The servo translation module 2 is mounted on the mounting plate 12 of the frame 1, and the moving platform 31 of the cam telescopic cutter 3 is connected to the servo translation module 2. The cam telescopic cutter 3 achieves stepping translational movement through the servo translation module 2, and the cutter body 34 of the cam telescopic cutter 3 achieves telescopic movement through a servo motor 33 and a cam component 35.
[0027] Our organization's advantages:
[0028] The servo motor and lead screw enable the cutter body to move left and right, while the servo motor and cam enable the cutter body to extend and retract forward and backward. The combination of the two enables the automatic cutting and removal of the outer packaging bag without damaging the inner packaging bag when the inner packaging bag is larger than the outer packaging bag.
[0029] In the preferred embodiment of the utility model, the frame 1 includes mounting rack 11, mounting plate 12, bag fixing column 13 and bag fixing frame 14, the mounting plate 12 is installed on the mounting rack 11 of frame 1, one bag fixing column 13 is connected to the both ends of the mounting plate 12 respectively, and the other end of the two bag fixing columns 13 is connected to the both ends of bag fixing frame 14 respectively. The bag fixing frame 14 is used for limiting the end of the bag to be unpacked. In this embodiment, the mounting rack 11 is installed on the equipment for fixing the packaging bag, and the end of the packaging bag to be cut is fixed on the bag fixing frame 14, the outer packaging bag is in a taut state, the inner packaging bag is relatively loose, and there is a certain spacing between the two layers of packaging bags. As long as the appropriate cutter body 34 model is selected, the inner packaging bag will not be damaged when the cutter body 34 is cutting.
[0030] In the preferred embodiment of the utility model, the cam telescopic cutter 3 includes moving platform 31, fixed plate 37, servo motor 33, cam member 35, driven plate 36, cutter body 34, linear slide rail 38, protective cover 32 and sliding block 39. The fixed plate 37 is installed on the moving platform 31, the servo motor 33 is installed on one side of the fixed plate 37, the output shaft of the servo motor 33 penetrates through the fixed plate 37 and is connected with the cam member 35, the cam member 35 is slidably connected into the sliding groove of the driven plate 36, the cutter body 34 is installed on the both ends above the driven plate 36, and the sliding block 39 is installed on the both ends below the driven plate 36. The linear slide rail 38 is slidably connected to the two sliding blocks 39, the two linear slide rails 38 are installed on the both ends above the fixed plate 37, and the protective cover 32 is installed above the fixed plate 37 and is used for isolating and protecting the cam member 35, the cutter body 34 and the linear slide rail 38. In this embodiment, the output shaft of the servo motor 33 drives the cam of the cam member 35 to make circular motion, the circular motion of the cam drives the driven plate 36 to make linear motion on the linear slide rail 38 through the sliding block 39, and the driven plate 36 drives the cutter body 34 to make linear motion of stretching and retracting, so that the cutter body 34 realizes the forward and backward cutting action on the packaging bag.
[0031] In the preferred embodiment of the utility model, the servo translation module 2 realizes step translation movement by using a servo motor and a screw member. In this embodiment, the output shaft of the servo motor drives the screw member to make rotary motion, and the rotary motion of the screw drives the cam telescopic cutter 3 connected with the screw to make step translation movement, so that the cutter body 34 realizes left and right translation movement.
[0032] In the preferred embodiment of the utility model, the cutter body 34 and the driven plate 36 are bolted, which facilitates the dismounting and replacement of the cutter body 34 of different models. In this embodiment, the cutter body 34 is detachable, and different models of the cutter body 34 can be used to adapt to different cutting scenes.
[0033] The working principle of the single-layer bag cutter mechanism is as follows:
[0034] In actual use, when the bag to be opened needs to be cut, the output shaft of the servo motor 33 drives the cam member 35 to make circumferential movement, the circumferential movement of the cam drives the driven plate 36 to make linear movement on the linear slide rail 38 through the slide block 39, at the same time, the driven plate 36 drives the cutter body 34 to make linear movement of stretching and retracting forward and backward, thereby realizing the forward and backward cutting action of the cutter body 34 on the packaging bag. The servo motor of the servo translation module 2 drives the screw rod member to make rotary movement, the rotary movement of the screw rod drives the cam telescopic cutter 3 connected thereto to make step translation movement, thereby realizing the left and right translation action of the cutter body 34.
[0035] It should be noted that the present application only improves the structure of the single-layer bag cutter mechanism, and does not improve the control program, and the control program and electrical devices involved are prior art.
[0036] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A bag single layer cutter mechanism, characterized by: The utility model relates to a cutting device for bag, including frame (1), servo translation module (2) and cam telescopic cutter (3), servo translation module (2) is installed to the mounting plate (12) of frame (1), the moving platform (31) of cam telescopic cutter (3) is connected to servo translation module (2), cam telescopic cutter (3) realizes step -by -step translation movement through servo translation module (2), and the cutter body (34) of cam telescopic cutter (3) realizes telescopic motion through servo motor (33) and cam member (35).
2. The bag single layer cutter mechanism of claim 1, wherein: The frame (1) further includes a mounting rack (11), bag fixing columns (13) and a bag fixing rack (14), the mounting plate (12) is mounted to one side of the mounting rack (11), the mounting plate (12) is connected to one end of each of the two bag fixing columns (13) at both ends, and the other ends of the two bag fixing columns (13) are connected to both ends of the bag fixing rack (14).
3. The bag single layer cutter mechanism of claim 1, wherein: The cam telescopic cutter (3) further includes a driven plate (36) and a fixed plate (37), the fixed plate (37) is installed above the moving platform (31), the output shaft of the servo motor (33) penetrates the fixed plate (37) and is connected with the cam member (35), and the cam member (35) is slidingly connected into the sliding groove of the driven plate (36).
4. The bag single layer cutter mechanism of claim 3, wherein: The cam telescopic cutter (3) further includes linear slide rails (38) and sliding blocks (39), the cutter body (34) is installed at both ends above the driven plate (36), the sliding block (39) is installed at both ends below the driven plate (36), each sliding block (39) is slidingly connected to one linear slide rail (38) below, and the two linear slide rails (38) are installed at both ends above the fixed plate (37).
5. The bag single layer cutter mechanism of claim 4, wherein: The cam telescopic cutter (3) further includes a protective cover (32), the protective cover (32) is installed to the fixed plate (37) and is used for isolating and protecting the cam member (35), the cutter body (34) and the linear slide rail (38).
6. The bag single layer cutter mechanism of claim 1, wherein: The servo translation module (2) uses a servo motor (33) and a lead screw member to realize step-by-step translation movement.
7. The bag single layer cutter mechanism of claim 2, wherein: The bag fixing rack (14) is used for limiting one end of a bag to be opened.
8. The bag single layer cutter mechanism of claim 4, wherein: The cutter body (34) and the driven plate (36) are bolted.