Edge cutting mechanism and sealing machine

Abstract

The utility model discloses an edge cutting mechanism and a sealing machine. The edge cutting mechanism comprises a mounting plate; the fixed bracket is mounted on the mounting plate; one end of the operating rod is connected with the fixed support, and the operating rod can swing in the horizontal direction; one end of the movable knife rest is rotationally matched with the mounting plate, a long-strip through hole is formed in the movable knife rest, the operating rod penetrates through the long-strip through hole, and when the operating rod swings in the horizontal direction, the movable knife rest swings in the vertical direction; and the blade is arranged at the swinging end of the movable knife rest. The edge cutting mechanism solves the technical problem that an existing edge cutting mechanism only has a single edge cutting function.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing machines, in particular to a trimming mechanism and a sealing machine. Background Art

[0002] Sealing machine is a commonly used sealing equipment, which can quickly seal the packaging bag to protect the items from external pollution and humidity. Generally, the sealing machine is mainly composed of a frame, a speed reduction transmission mechanism, a sealing and printing mechanism, a margin cutting mechanism, a conveying device, and an electrical and electronic control system.

[0003] There are many types of sealing machines on the market. In addition, in recent years, many units and individuals have proposed improvements and optimizations on the structure of sealing machines. For example, the utility model patent with the authorization announcement number CN220411118U discloses a sealing edge cutting and separation device for a sealing machine, including a base plate fixedly mounted on the sealing machine body, an upper belt transmission component and a lower belt transmission component are respectively arranged on the inner side of the base plate from top to bottom, the bottom of the upper belt transmission component is abutted against the bottom of the lower belt transmission component, the upper belt transmission component and the lower belt transmission component cooperate to clamp the packaging bag sent therebetween and transport it in the front-to-back direction, and a A trimming mechanism, the inner end of the trimming mechanism movably extends to the outside of the base plate and is connected to a trimming driving member, the power input ends of the upper belt transmission member and the lower belt transmission member are movably extended to the outside of the base plate and are respectively driven by the corresponding power transmission members on the sealing machine body, a trimming material output mechanism is matched on the rear side of the trimming driving member, a circular blade parallel to the base plate is arranged above the lower blade plate bracket, the lower part of the circular blade extends into the slot of the lower blade plate bracket, a blade connecting shaft coaxially arranged therewith is fixedly connected to the center of the outer side of the circular blade, the outer end of the blade connecting shaft movably passes through the corresponding mounting hole on the base plate and is connected to the motor shaft of the motor fixedly connected to the outer side of the base plate.

[0004] The trimming mechanism in the above-mentioned reference has the following technical problems: the position of the circular blade is fixed, resulting in the trimming mechanism having only a single function of trimming. Utility Model Content

[0005] The utility model aims to overcome the deficiencies of the prior art and provide a trimming mechanism to solve the technical problem that the prior trimming mechanism only has a single function of trimming and retaining edges.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a trimming mechanism, comprising:

[0007] Mounting plate;

[0008] A fixing bracket, the fixing bracket is mounted on the mounting plate;

[0009] A joystick, one end of which is connected to the fixed bracket, and the joystick can swing in a horizontal direction;

[0010] A movable tool holder, one end of which is rotatably matched with the mounting plate, the movable tool holder is provided with a long through hole, the operating rod passes through the long through hole, and when the operating rod swings in the horizontal direction, the movable tool holder swings in the vertical direction;

[0011] A blade is arranged at the swing end of the movable blade holder.

[0012] Furthermore, the trimming mechanism further comprises:

[0013] A guide hole bracket, wherein the guide hole bracket is mounted on the mounting plate, the guide hole bracket is provided with a guide hole, the guide hole is arranged in a horizontal direction, the joystick passes through the guide hole, the middle part of the joystick swings in the guide hole, and the movable knife holder is arranged on one side of the guide hole bracket and is rotatably connected to the guide hole bracket.

[0014] Furthermore, the fixing bracket is provided with a connecting hole, the operating rod passes through the connecting hole, and a gap is provided between the operating rod and the connecting hole to allow the operating rod to swing.

[0015] Furthermore, the trimming mechanism further comprises:

[0016] A cutting motor, the cutting motor being arranged at the non-swinging end of the movable knife holder;

[0017] A knife shaft, one end of which is connected to the cutting motor drive, and the other end of which is connected to the swing end of the movable knife holder, and the blade is fixedly mounted on the end of the knife shaft away from the cutting motor.

[0018] Furthermore, the mounting plate comprises:

[0019] An upper mounting plate, the fixing bracket and the guide hole bracket are respectively mounted on the upper surface of the upper mounting plate;

[0020] The upper mounting plate and the lower mounting plate are arranged in parallel, and a preset gap is provided between the upper mounting plate and the lower mounting plate.

[0021] Furthermore, an upper side plate is provided on the upper surface of the upper mounting plate, a lower side plate is provided on the lower surface of the lower mounting plate, the upper side plate is provided with a limiting through hole, the knife shaft passes through the limiting through hole, and the knife shaft can swing up and down in the limiting through hole.

[0022] Furthermore, a lower blade plate is installed on the lower side plate, the lower blade plate is provided with a slot, the blade is circular, and the blade cooperates with the slot.

[0023] The utility model also provides a sealing machine, comprising:

[0024] The above-mentioned trimming mechanism;

[0025] Sealing machine body;

[0026] A base plate, wherein the base plate is fixedly mounted on the sealing machine body, the upper mounting plate and the lower mounting plate are respectively mounted on the same side of the base plate, and the upper side plate and the lower side plate are respectively arranged opposite to the base plate;

[0027] An upper support, wherein opposite ends of the upper support are respectively fixedly connected to the base plate and the upper side plate;

[0028] A lower support, wherein opposite ends of the lower support are fixedly connected to the base plate and the lower side plate respectively;

[0029] An upper belt transmission component, wherein the upper belt transmission component is arranged at the upper end of the base plate;

[0030] The lower belt transmission component is arranged at the lower end of the base plate. The upper belt transmission component cooperates with the lower belt transmission component to clamp the packaging bag sent therebetween and send it to the top of the lower knife plate.

[0031] The beneficial effects of the utility model are:

[0032] By operating the joystick, the joystick swings in the horizontal direction. Driven by the joystick, the movable knife holder drives the blade to swing in the vertical direction. When the blade swings to a low position, the blade can perform edge cutting operations. When the blade swings to a high position, the blade does not perform edge cutting operations. This makes the utility model not only have the function of edge cutting, but also has the function of edge retention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0034] Figure 1 This is a structural diagram of the trimming mechanism of the utility model;

[0035] Figure 2 This is a structural diagram of the trimming mechanism of the utility model from another angle;

[0036] Figure 3 It is a structural diagram of the movable tool holder in the trimming mechanism of the utility model;

[0037] Figure 4 This is a structural diagram of the guide hole bracket in the trimming mechanism of the utility model;

[0038] Figure 5 This is a structural diagram of a fixed bracket in the trimming mechanism of the utility model;

[0039] Figure 6 It is an assembly diagram of the first mounting plate and the upper side plate in the trimming mechanism of the utility model;

[0040] Figure 7 This is a structural diagram of the lower blade in the trimming mechanism of the utility model;

[0041] Figure 8 It is the structural diagram of the sealing machine of the utility model.

[0042] In the figure, 1, trimming mechanism; 11, mounting plate; 111, upper mounting plate; 112, lower mounting plate; 113, upper side plate; 1131, limit through hole; 114, lower side plate; 12, fixing bracket; 121, connecting hole; 13, guide hole bracket; 131, guide hole; 14, joystick; 15, movable knife holder; 151, long through hole; 16, cutting motor; 17, knife shaft; 18, blade; 19, lower knife plate; 191, slot; 2, base plate; 3, upper belt transmission component; 4, lower belt transmission component; 5, upper support. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1 -Attached Figure 8 , the technical solutions in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0044] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0045] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0046] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0047] In addition, the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0048] The utility model provides a trimming mechanism.

[0049] A trimming mechanism includes: a mounting plate 11; a fixed bracket 12, the fixed bracket 12 is mounted on the mounting plate 11; an operating rod 14, one end of the operating rod 14 is connected to the fixed bracket 12, and the operating rod 14 can swing in the horizontal direction; a movable tool holder 15, one end of the movable tool holder 15 is rotatably matched with the mounting plate 11, the movable tool holder 15 is provided with a long through hole 151, the operating rod 14 passes through the long through hole 151, when the operating rod 14 swings in the horizontal direction, the movable tool holder 15 swings in the vertical direction; a blade 18, the blade 18 is arranged at the swinging end of the movable tool holder 15.

[0050] By operating the joystick 14, the joystick swings in the horizontal direction. Driven by the joystick 14, the movable tool holder 15 drives the blade 18 to swing in the vertical direction. When the blade 18 swings to a low position, the blade 18 can perform a cutting and retaining edge operation. When the blade 18 swings to a high position, the blade 18 does not perform a cutting and retaining edge operation, so that the utility model not only has the function of cutting and retaining edges, but also has the function of retaining edges.

[0051] The trimming mechanism 1 also includes: a guide hole bracket 13, the guide hole bracket 13 is mounted on the mounting plate 11, the guide hole bracket 13 is provided with a guide hole 131, the guide hole 131 is arranged in the horizontal direction, the joystick 14 passes through the guide hole 131, the middle part of the joystick 14 swings in the guide hole 131, and the movable tool holder 15 is arranged on one side of the guide hole bracket 13 and is rotatably connected to the guide hole bracket 13. The setting of the guide hole bracket 13 facilitates the rotational cooperation between the movable tool holder 15 and the mounting plate 11, and the setting of the guide hole 131 can limit the swing of the joystick 14 in the horizontal direction. In a specific embodiment, the long through hole 151 gradually extends downward from the end close to the blade 18 to the end away from the blade 18. In addition, as Figure 3 As shown, the elongated through hole 151 may have a certain curvature.

[0052] The fixing bracket 12 is provided with a connecting hole 121, through which the operating rod 14 passes, and a gap is provided between the operating rod 14 and the connecting hole 121 to allow the operating rod 14 to swing. In a specific embodiment, the diameter of the connecting hole 121 is slightly larger than the diameter of the operating rod 14.

[0053] The trimming mechanism 1 also includes: a cutting motor 16, which is arranged at the non-swinging end of the movable tool holder 15; a knife shaft 17, one end of which is drive-connected to the cutting motor 16, and the other end of the knife shaft 17 is connected to the swinging end of the movable tool holder 15, and a blade 18 is fixedly mounted on the end of the knife shaft 17 away from the cutting motor 16.

[0054] The mounting plate 11 comprises: an upper mounting plate 111, a fixing bracket 12 and a guide hole bracket 13 are respectively mounted on the upper surface of the upper mounting plate 111; and a lower mounting plate 112, wherein the upper mounting plate 111 and the lower mounting plate 112 are arranged in parallel, and a preset gap is arranged between the upper mounting plate 111 and the lower mounting plate 112. The setting of the preset gap facilitates the insertion of the packaging bag therein, and ensures that the utility model is applicable to packaging bags of different sizes.

[0055] An upper side plate 113 is disposed on the upper surface of the upper mounting plate 111 , and a lower side plate 114 is disposed on the lower surface of the lower mounting plate 112 . The upper side plate 113 is provided with a limiting through hole 1131 , through which the knife shaft 17 passes, and the knife shaft 17 can swing up and down in the limiting through hole 1131 .

[0056] The lower blade plate 19 is installed on the lower side plate 114. The lower blade plate 19 is provided with a slot 191. The blade 18 is circular and cooperates with the slot 191. In a specific implementation, the lower blade plate 19 includes a vertical portion and a horizontal portion. The slot 191 is provided on the horizontal portion of the lower blade plate 19. When the blade 18 swings to a low position, the blade 18 and the slot 191 cooperate to cut the edge of the packaging bag. When the blade 18 swings to a high position, the blade 18 is located above the slot 191 and the blade 18 cannot cut the slot 191.

[0057] The utility model also provides a sealing machine, comprising: the above-mentioned trimming mechanism 1; a sealing machine body (not shown); a base plate 2, the base plate 2 is fixedly mounted on the sealing machine body, an upper mounting plate 111 and a lower mounting plate 112 are respectively mounted on the same side of the base plate 2, and an upper side plate 113 and a lower side plate 114 are respectively arranged opposite to the base plate 2; an upper support 5, the opposite ends of the upper support 5 are respectively fixedly connected to the base plate 2 and the upper side plate 113; a lower support (not shown), the opposite ends of the lower support are respectively fixedly connected to the base plate 2 and the lower side plate 114; an upper belt transmission component 3, the upper belt transmission component 3 is arranged at the upper end of the base plate 2; a lower belt transmission component 4, the lower belt transmission component 4 is arranged at the lower end of the base plate 2, and the upper belt transmission component 3 and the lower belt transmission component 4 cooperate to clamp the packaging bag sent therebetween and send it above the lower knife plate 19. The arrangement of the upper support 5 and the lower support enables the upper side plate 113 and the lower side plate 114 to be more firmly installed. The working principles of the upper belt transmission component 3, the lower belt transmission component 4 and other structures in the sealing machine can be referred to the comparative literature mentioned in the background technology, and will not be repeated here.

[0058] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A trimming mechanism, characterized in that: include: Mounting plate; a fixing bracket, the fixing bracket being mounted on the mounting plate; a joystick, one end of which is connected to the fixed bracket, and the joystick can swing in a horizontal direction; A movable tool holder, one end of which is rotatably engaged with the mounting plate, the movable tool holder being provided with a long through hole, the operating rod passing through the long through hole, and when the operating rod is swung in the horizontal direction, the movable tool holder is swung in the vertical direction; A blade is arranged at the swing end of the movable blade holder.

2. The trimming mechanism according to claim 1, wherein: The trimming mechanism further comprises: A guide hole bracket is installed on the mounting plate, and the guide hole bracket is provided with a guide hole, and the guide hole is arranged in a horizontal direction. The joystick passes through the guide hole, and the middle part of the joystick swings in the guide hole. The movable knife holder is arranged on one side of the guide hole bracket and is rotatably connected to the guide hole bracket.

3. The trimming mechanism according to claim 2, wherein: The fixing bracket is provided with a connecting hole, the operating rod passes through the connecting hole, and a gap is provided between the operating rod and the connecting hole to allow the operating rod to swing.

4. The trimming mechanism according to claim 3, wherein: The trimming mechanism further comprises: A cutting motor, the cutting motor being arranged at the non-swinging end of the movable blade holder; A knife shaft, one end of which is connected to the cutting motor drive, and the other end of which is connected to the swing end of the movable knife holder, and the blade is fixed on the end of the knife shaft away from the cutting motor.

5. The trimming mechanism according to claim 4, wherein: The mounting plate comprises: An upper mounting plate, the fixing bracket and the guide hole bracket are respectively mounted on the upper surface of the upper mounting plate; The lower mounting plate is provided with the upper mounting plate and the lower mounting plate in parallel, and a preset gap is provided between the upper mounting plate and the lower mounting plate.

6. The trimming mechanism according to claim 5, wherein: An upper side plate is provided on the upper surface of the upper mounting plate, and a lower side plate is provided on the lower surface of the lower mounting plate. The upper side plate is provided with a limiting through hole, and the knife shaft passes through the limiting through hole. The knife shaft can swing up and down in the limiting through hole.

7. The trimming mechanism according to claim 6, wherein: The trimming mechanism further comprises: The lower blade plate is installed on the lower side plate, and the lower blade plate is provided with a slot. The blade is circular and cooperates with the slot.

8. A sealing machine, characterized in that: include: The trimming mechanism according to claim 7; Sealing machine body; A base plate, the base plate is fixedly mounted on the sealing machine body, the upper mounting plate and the lower mounting plate are respectively mounted on the same side of the base plate, and the upper side plate and the lower side plate are respectively arranged opposite to the base plate; An upper support, wherein opposite ends of the upper support are respectively fixedly connected to the base plate and the upper side plate; A lower support, wherein opposite ends of the lower support are fixedly connected to the base plate and the lower side plate respectively; an upper belt transmission component, the upper belt transmission component being arranged at the upper end of the base plate; The lower belt transmission component is arranged at the lower end of the base plate. The upper belt transmission component cooperates with the lower belt transmission component to clamp the packaging bag sent between them and send it to the top of the lower knife plate.

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