Sealing structure for packaging machine

Abstract

The sealing structure for the packaging machine comprises a base, the upper surface of the base is fixedly connected with a supporting column, the outer surface of the supporting column is sleeved with a driven rod, the upper surface of the driven rod is fixedly connected with a sealing frame, and the upper surface of the sealing frame is fixedly connected with an electric hydraulic telescopic rod. According to the device, through upward movement of a limiting sliding block, the angle of an extension rod is changed, then a hinge seat is pushed to move downwards, a second auxiliary pull rod hinged to the bottom face of the hinge seat in a matched mode drives a reducing sleeve to move along with downward movement of the hinge seat, the reducing sleeve is hinged to a sealing plate, and the upper surface of the sealing plate is hinged to the bottom face of a sealing frame; and finally, the sealing plate gets close to the sealing frame, sealing of the packaging material is achieved, due to the effects of all the hinge points and the auxiliary pull rods, uniform pressure distribution can be achieved when the sealing plate makes contact with the packaging material, it can be guaranteed that the material at the sealing position is fully fused, a firm and uniform seal is formed, and the sealing performance of the seal is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packing machine especially a sealing structure for packing machine. BACKGROUND

[0002] The packing machine is a kind of mechanical equipment for automatically or semi-automatically packing product or article, it is wrapped, sealed and protected product by using various materials (such as plastic film, paperboard, metal foil etc.), to facilitate transportation, storage and marketing, packing machine can complete from simple packing to complex packing process, including metering, filling, sealing, printing date and bar code etc., in today's packaging industry, the sealing structure of packing machine plays a vital role.

[0003] The traditional sealing structure often has the problem of uneven heating in sealing heating, so that the packaging material is heated inconsistently at the sealing place, leading to unstable sealing quality, prone to sealing not firm, gap and other conditions, thereby affecting the packaging effect and sealing property of product, meanwhile, the temperature control of sealing structure is not accurate enough, it is difficult to adapt to the sealing needs of different material packaging materials, and the packaging material may be damaged or the sealing effect is poor due to too high or too low temperature, therefore, we provide a sealing structure for packing machine to solve the above problems. SUMMARY

[0004] The utility model is provided with a sealing structure for packing machine to solve the problems in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A sealing structure for packing machine, including the base, the upper surface of the base is fixedly connected with the support column, the outer surface of the support column is equipped with the driven rod, the upper surface of the driven rod is fixedly connected with the sealing frame, the upper surface of the sealing frame is fixedly connected with the electric hydraulic telescopic rod, the upper surface of the electric hydraulic telescopic rod is fixedly connected with the positioning sleeve, the outer surface of the electric hydraulic telescopic rod is fixedly connected with a group of limit sliding blocks, the outer surface of each limit sliding block is slidably connected with the limit sliding rail, the bottom surface of each limit sliding rail is fixedly connected with the upper surface of the sealing frame, the inner wall of each limit sliding block is hingedly connected with the extension rod, the side face of each extension rod away from the limit sliding block is hingedly connected with the hinged seat, the bottom surface of each extension rod is hingedly connected with the first auxiliary pull rod, the end of each first auxiliary pull rod away from the extension rod is hingedly connected with the upper surface of the sealing frame, the bottom surface of each hinged seat is hingedly connected with the second auxiliary pull rod, the bottom surface of each second auxiliary pull rod is hingedly connected with the adapter sleeve, the inner wall of each adapter sleeve is hingedly connected with the sealing plate, and the upper surface of each sealing plate is hingedly connected with the bottom surface of the sealing frame.

[0007] In further embodiments, the front surface of the driven rod is provided with a parameter plate, and the back surface of the parameter plate is fixedly connected with the front surface of the driven rod.

[0008] In further embodiments, the upper surface of the base is provided with a plurality of positioning grooves, and the upper surface of each positioning groove is provided with a positioning hole.

[0009] In further embodiments, the outer surface of each sealing plate is provided with a mounting groove, and the inner wall of each mounting groove is fixedly connected with a temperature sensor.

[0010] In further embodiments, the outer surface of each sealing plate is fixedly connected with an identification plate.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The device changes the angle of the extension rod by moving the limiting sliding block upwards, thereby pushing the hinged seat downwards, and the second auxiliary pull rod hinged to the bottom surface of the hinged seat drives the adapter sleeve to move along with the hinged seat, the adapter sleeve is hinged to the sealing plate, and the upper surface of the sealing plate is hinged to the bottom surface of the sealing frame, so that the sealing plate is finally close to the sealing frame, the sealing of the packaging material is realized, and due to the action of the hinged points and the auxiliary pull rods, the sealing plate can realize relatively uniform pressure distribution when contacting the packaging material, which helps to ensure that the materials at the sealing position are fully fused, a firm and uniform seal is formed, and problems such as insecure sealing or air leakage caused by uneven pressure are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective structural schematic view of the sealing structure for the packaging machine.

[0014] Figure 2 It is a perspective structural schematic view of the sealing structure for the packaging machine from the rear view angle.

[0015] Figure 3 It is a perspective structural schematic view of the sealing structure for the packaging machine from the top view angle.

[0016] Figure 4 It is a perspective structural schematic view of the sealing structure for the packaging machine from the top view angle. Figure 1 It is an enlarged schematic view of the structure at A in the middle.

[0017] In the figure: 1, sealing frame; 2, identification plate; 3, limiting sliding rail; 4, limiting sliding block; 5, electric hydraulic telescopic rod; 6, positioning sleeve; 7, driven rod; 8, parameter plate; 9, support column; 10, temperature sensor; 11, base; 12, positioning groove; 13, positioning hole; 14, hinged seat; 15, first auxiliary pull rod; 16, mounting groove; 17, second auxiliary pull rod; 18, adapter sleeve; 19, sealing plate; 20, extension rod. DETAILED DESCRIPTION

[0018] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0019] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4The utility model discloses a sealing structure for packaging machine, including base 11, the upper surface fixedly connected with support column 9 of base 11, the outer surface of support column 9 is equipped with driven rod 7, the upper surface fixedly connected with sealing frame 1 of driven rod 7, the upper surface fixedly connected with electric hydraulic telescopic link 5 of sealing frame 1, the upper surface fixedly connected with locating sleeve 6 of electric hydraulic telescopic link 5, the outer surface fixedly connected with a group of limit sliding block 4 of electric hydraulic telescopic link 5, the outer surface of every limit sliding block 4 is slidably connected with limit sliding rail 3, and the bottom surface of every limit sliding rail 3 is fixedly connected with the upper surface of sealing frame 1, and the inner wall of every limit sliding block 4 is hinged with extension rod 20, and the side face of every extension rod 20 away from limit sliding block 4 is hinged with hinged seat 14, and the bottom surface of every extension rod 20 is hinged with first auxiliary pull rod 15, and the end of every first auxiliary pull rod 15 away from extension rod 20 is hinged with the upper surface of sealing frame 1, and the bottom surface of every hinged seat 14 is hinged with second auxiliary pull rod 17, and the bottom surface of every second auxiliary pull rod 17 is hinged with adapter sleeve 18, and the inner wall of every adapter sleeve 18 is hinged with sealing plate 19, and the upper surface of every sealing plate 19 is hinged with the bottom surface of sealing frame 1, and the upper shift of limit sliding block 4 will make the angle of extension rod 20 change, and then push hinged seat 14 to move down, and cooperate second auxiliary pull rod 17 of the bottom surface hinged with hinged seat 14 with the down of hinged seat 14 to drive adapter sleeve 18 to move, and adapter sleeve 18 is hinged with sealing plate 19, and the upper surface of sealing plate 19 is hinged with the bottom surface of sealing frame 1, finally make sealing plate 19 close to sealing frame 1, realize the sealing of packaging material, owing to the effect of every hinged point and auxiliary pull rod, sealing plate 19 can realize the pressure distribution of relatively even when contacting packaging material, help to ensure that the material of sealing portion fuses fully, form firm and even sealing, reduce the problem such as not firm or air leakage caused by uneven pressure.

[0022] The front of driven rod 7 is equipped with parameter board 8, and the back of parameter board 8 is fixedly connected with the front of driven rod 7, the specific parameters of the device can be understood by the staff through the setting parameter board 8, the equipment can be fixed through the setting locating sleeve 6, a group of locating grooves 12 are formed in the upper surface of base 11, a locating hole 13 is formed in the upper surface of each locating groove 12, and the locating hole 13 can facilitate the staff to install the device.

[0023] An installation groove 16 is formed in the outer surface of each sealing plate 19, a temperature sensor 10 is fixedly connected to the inner wall of each installation groove 16, the temperature sensor 10 can accurately monitor the temperature, the power of the heating source can be adjusted in time to achieve the best sealing temperature according to different packaging materials and sealing requirements, and an identification board 2 is fixedly connected to the outer surface of each sealing plate 19, and the identification board 2 can improve the recognition of the device.

[0024] The working principle of the utility model is:

[0025] In use, first, the device is moved to the installation site and connected to the power supply, then according to the characteristics of the packaging material and the sealing requirements, the telescopic movement of the electric hydraulic telescopic rod 5 is started to drive the sealing plate 19 to seal, when the electric hydraulic telescopic rod 5 is extended, the limiting sliding block 4 is pushed to slide upward on the limiting sliding rail 3, the movement of the limiting sliding block 4 drives the extension rod 20 to move, since the extension rod 20 is hinged at one end with the limiting sliding block 4 and hinged at the other end with the hinge seat 14, and the bottom surface of the extension rod 20 is also hinged with the first auxiliary pull rod 15, and the other end of the first auxiliary pull rod 15 is hinged with the sealing frame 1, so the upward movement of the limiting sliding block 4 will change the angle of the extension rod 20, and then push the hinge seat 14 to move downward, the second auxiliary pull rod 17 hinged at the bottom surface of the hinge seat 14 is driven to move with the hinge seat 14, the adapter sleeve 18 is hinged with the sealing plate 19, and the upper surface of the sealing plate 19 is hinged with the bottom surface of the sealing frame 1, finally the sealing plate 19 is close to the sealing frame 1, and the sealing of the packaging material is realized.

[0026] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A sealing structure for a packaging machine, characterized by: The base (11) is provided with a support column (9) fixedly connected to the upper surface of the base (11), a driven rod (7) sleeved on the outer surface of the support column (9), a sealing frame (1) fixedly connected to the upper surface of the driven rod (7), an electric hydraulic telescopic rod (5) fixedly connected to the upper surface of the sealing frame (1), a positioning sleeve (6) fixedly connected to the upper surface of the electric hydraulic telescopic rod (5), a plurality of limiting sliding blocks (4) fixedly connected to the outer surface of the electric hydraulic telescopic rod (5), a limiting sliding rail (3) slidingly connected to the outer surface of each limiting sliding block (4), the bottom surface of each limiting sliding rail (3) fixedly connected to the upper surface of the sealing frame (1), an extension rod (20) hinged to the inner wall of each limiting sliding block (4), a hinge seat (14) hinged to the side surface of each extension rod (20) away from the limiting sliding block (4), a first auxiliary pull rod (15) hinged to the bottom surface of each extension rod (20), one end of each first auxiliary pull rod (15) hinged to the upper surface of the sealing frame (1) away from the extension rod (20), a second auxiliary pull rod (17) hinged to the bottom surface of each hinge seat (14), a conversion sleeve (18) hinged to the bottom surface of each second auxiliary pull rod (17), a sealing plate (19) hinged to the inner wall of each conversion sleeve (18), and the upper surface of each sealing plate (19) hinged to the bottom surface of the sealing frame (1).

2. A closure structure for a packaging machine according to claim 1, characterized in that: The front surface of the driven rod (7) is provided with a parameter plate (8), and the back surface of the parameter plate (8) is fixedly connected to the front surface of the driven rod (7).

3. A closure structure for a packaging machine according to claim 1, characterized in that: The upper surface of the base (11) is provided with a plurality of positioning grooves (12), and the upper surface of each positioning groove (12) is provided with a positioning hole (13).

4. The sealing structure for a packaging machine according to claim 1, characterized in that: The outer surface of each sealing plate (19) is provided with a mounting groove (16), and the inner wall of each mounting groove (16) is fixedly connected with a temperature sensor (10).

5. The sealing structure for a packaging machine according to claim 1, characterized in that: The outer surface of each sealing plate (19) is fixedly connected with an identification plate (2).

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