An ultrasonic sealer

By using the rotating clamping assembly and sealing unit of the ultrasonic sealing machine, and employing brief and repeated ultrasonic pressing and vibration cooling, the problems of insufficient capacity and sealing quality of existing sealing machines in mass production are solved, achieving efficient and stable sealing results.

CN119796626BActive Publication Date: 2025-11-04PINGJIANG JINZAI FOOD CO LTD
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Patent Information

Application Number
CN202510181902.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-11-04
Estimated Expiration
2045-02-19

AI Technical Summary

Technical Problem

Existing sealing machines suffer from problems such as insufficient capacity, long sealing time, long cooling time after sealing, and easy adhesion or cracking of the sealing surface in mass production, which affect production efficiency and sealing quality.

Method used

An ultrasonic sealing machine, combined with a rotating clamping assembly and a sealing unit, achieves rapid sealing and cooling through brief and repeated ultrasonic compression and vibration cooling, avoiding scorching caused by heat melting and improving sealing strength and aesthetics.

Benefits of technology

It achieves synchronous linkage of sealing units, increases output per unit time, enhances sealing strength, avoids adhesion and cracking of sealing surfaces, and improves the production efficiency and sealing quality of sealing machines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides an ultrasonic sealing machine, which comprises a filling table, a rotating clamping assembly and a sealing machine group arranged on the filling table, the rotating clamping assembly comprises a rotating disc arranged on the filling table, a plurality of edge distance grippers are arranged on the periphery of the rotating disc to drive the packaging bag to rotate, the lateral inlet of the sealing machine group is provided, the lateral inlet surface of the sealing machine group and the rotating disc diameter of the edge distance gripper clamping the packaging bag have a tangent plane, the sealing surface of the sealing machine group can be a flat pressing surface or an arc pressing surface; the sealing machine group is internally provided with a movable group, the movable group is vibrated and the vibration end is connected with a pressing surface of the sealing machine group, the two pressing surfaces of the sealing machine group are temporarily and multiple times pressed; the sealing machine group is internally further provided with a cooling assembly, the application synchronously matches the time, action and overall streamline operation of the packaging bag sealing process, and utilizes the ultrasonic pressing and movable re-pressing structure to optimize the sealing effect of the sealing machine, and improve the integration and yield of the packaging bag sealing.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of packaging bag sealing machine equipment, in particular to an ultrasonic sealing machine. BACKGROUND

[0002] The sealing machine is one of the most commonly used packaging equipment, which is widely used in food field, cosmetic field, clothing and leather, chemical industry, electrical appliances, medicine, tea, dairy products, beverage and other fields. The current sealing machine adopts heat sealing process to press and melt the bag opening of the packaging bag. The heat sealing needs a process of temperature rising and falling, which leads to the need of time for single packaging bag sealing. Therefore, it has a great negative impact on production capacity when dealing with large batch packaging production. In addition, the sealing machine is often used in continuous automatic production process, and the front end of the synchronous assembly line operation may exist multiple synchronous links such as film guiding, film feeding, filling, heat sealing, cutting, film clamping and conveying. The time limit for the heat sealing operation of the sealing machine is relatively strict, and the synchronous assembly line production effect is poor. The heat sealing method still needs cooling time after heat sealing, and the non-cooled sealing surface of the packaging bag is easy to appear adhesion or other problems affecting the appearance of the sealing surface. The subsequent conveying link is easy to appear the problem of secondary sealing interface fracture, which seriously affects the orderly progress of the packaging bag sealing link.

[0003] To achieve the above object, the present application provides an ultrasonic sealing machine, which can solve the problems in the background art. SUMMARY

[0004] The present application adopts the following technical solutions to achieve the above object:

[0005] An ultrasonic sealing machine, comprising a filling table, a rotating clamping assembly and a sealing machine group are arranged on the filling table, the rotating clamping assembly comprises a flow disc installed on the filling table, a plurality of edge margin grippers are arranged on the periphery of the flow disc to drive the packaging bag to flow and work, the sealing machine group is a side inlet, the side inlet face of the sealing machine group and the rotating disc diameter of the edge margin gripper clamping the packaging bag have a tangent plane, and the sealing surface of the sealing machine group can be a flat pressing or an arc pressing.

[0006] An activity group is arranged in the sealing machine group, the activity group is vibrated and the vibration end is connected with a pressing surface of the sealing machine group, and the two pressing surfaces of the sealing machine group are pressed for a short time and multiple times.

[0007] A cooling assembly is further arranged in the sealing machine group.

[0008] Preferably, the sealing machine set comprises a sealing cabin fixed above one side of the filling table, a linear rail push cylinder set is arranged inside the sealing cabin, the push axis of the linear rail push cylinder set is directed to the rotation axis of the rotating disc, an ultrasonic convex plate and a pressing end concave plate are connected below the linear rail push cylinder set, the pressing gap is formed between the ultrasonic convex plate and the pressing end concave plate, and the pressing gap has a coinciding space with the rotating disc diameter of the upper part of the packaging bag.

[0009] Preferably, one end of the linear rail push cylinder set is provided with a pressing cylinder, the side edge of the linear rail push cylinder set is slidably connected with a movable mounting frame and the pressing cylinder, the top of the two ends of the pressing end concave plate is respectively connected with the fixed mounting frame, the top of the two ends of the ultrasonic convex plate is respectively fixed to the bottom of the movable mounting frame, and the movable mounting frame is connected with the pressing cylinder.

[0010] An adjusting block is arranged at the position where the movable mounting frame is connected with the linear rail push cylinder set, and is used for adjusting the limit movement distance of the movable mounting frame.

[0011] Preferably, the upper part of the pressing end concave plate is fixedly connected with the linear rail push cylinder set, the inside of the pressing end concave plate is provided with a longitudinally arranged slide rod, a top abutting block is connected on the slide rod, one side of the top abutting block is in a sleeving mode with the slide rod, and the movable group is fixed in the concave area of the pressing end concave plate and the acting end thereof is connected with the top abutting block.

[0012] The acting end of the ultrasonic generator is connected with the side of the ultrasonic convex plate away from the pressing end concave plate, and the pressing gap is formed between the top abutting block and the ultrasonic convex plate.

[0013] The cooling assembly acts on the circumferential side of the top abutting block.

[0014] Preferably, the movable group comprises two vibrators fixed on the top of the concave surface of the pressing end concave plate, the bottom of each of the two vibrators is connected with a vibration rod, the top of the top abutting block is provided with two movable piles, the two movable piles are respectively rotatably connected with two connecting ports, and the top of the connecting port is connected with the bottom of the vibration rod to conduct vibration.

[0015] Preferably, the top of the top abutting block is provided with a convex block, one side of the convex block is provided with an electric sleeve pile, the other side of the convex block is provided with a longitudinal sleeve rod, the longitudinal sleeve rod is sleeved on the slide rod, and one end of the longitudinal sleeve rod is a slot-shaped column body matched with the driving end of the electric sleeve pile.

[0016] Preferably, the pressing side of the top block can be flat and inward or outward convex or concave arc, the pressing side of the ultrasonic convex plate can be flat and inward or outward convex or concave arc, and the ultrasonic convex plate and the top block are in surface fitting state when matched; when the top block and the ultrasonic convex plate are in arc pressing, the arc center is always on the same axis as the center of the flow disc.

[0017] Preferably, the bottom of the pressing end concave plate near one end of the ultrasonic convex plate is provided with two matching guard grooves, the cooling assembly comprises two freezing pipes with the same axial position as the two matching guard grooves, and the bottom of the freezing pipe is provided with two adjacent lateral openings.

[0018] Preferably, the outer part of the two freezing pipes is jointly sleeved with a cooling ring belt, the rotating axes of the two ends of the cooling ring belt are the same as the corresponding freezing pipes; and the cooling ring belt is a ductile heat-conducting material.

[0019] Preferably, the two sides of the ultrasonic convex plate are provided with guide extrusion blocks, one end of the guide extrusion block in contact with the packaging bag is a bevel, and the bevel is inclined downward and has a turning chamfer;

[0020] The gripper end of the edge distance gripper is a movable claw base capable of rotating the clamping angle;

[0021] The side of the pressing end concave plate is provided with a side guide plate.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] The present application sets the bag inlet surface layer of the sealing machine group to be tangent to the rotating space of the rotating clamping assembly on the upper area of the packaging bag, can quickly adapt the packaging bag to the sealing unit in the synchronous direction of the packaging bag, can unify all links on the packaging bag production line into the smallest time unit, can conveniently and more conveniently control the sealing operation linkage synchronization effect of the sealing machine group, and improve the production per unit time;

[0024] The sealing machine group adopts short-term and multiple high-frequency feeding and pressing, can realize multiple position composite sealing in cooperation with the mode of vibrating the packaging bag opening, can reinforce the sealing strength while ensuring synchronization, adopts the heat source mode of ultrasonic waves, can save heat sources and average heat source surface layer distribution, can more closely fit the two sides of the bag opening, and cooperation of the multiple pressing and vibrating modes can prevent the two sides of the bag opening from being continuously heated to generate fusion phenomenon, and ensure the appearance of the bag opening.

[0025] The ultrasonic clamping surface is arranged as a corresponding arc surface or straight surface in a rotating circular tangent mode of the rotating clamping assembly, which can be matched with the entering process of the bag opening into the sealing machine group, avoids the change of the position of the bottom gripper, and thus avoids problems such as sealing inclination;

[0026] The ultrasonic pressing mode multiple times can avoid the formation of partial coking and liquefaction, prevent the plastic packaging bag from dissolving and adhering to the pressing end recess plate or the ultrasonic convex plate, and provide multiple heat dissipation links of the sealing surface through multiple pressing, so that the sealing can be quickly cooled through the cooperation of the cooling assembly, the sealing knife edge adhesion and the subsequent guarantee bag damage problems caused by the cracking of the sealing glue are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall flow structure of the packaging bag of the application;

[0028] Figure 2 It is a schematic diagram of the main cooperation structure of the internal part of the packaging bag machine group of the application;

[0029] Figure 3 It is a schematic diagram of the external structure of the sealing machine group of the application;

[0030] Figure 4 It is a schematic diagram of the internal part structure of the sealing machine group of the application;

[0031] Figure 5 It is a schematic diagram of the structure connection of the pressing end recess plate and the ultrasonic convex plate of the application;

[0032] Figure 6 It is a schematic diagram of the connection of the movable group and the pressing end recess plate of the application.

[0033] In the figure: 1, sealing machine group; 2, rotating clamping assembly; 3, filling table;

[0034] 101, ultrasonic generator; 102, sealing cabin; 103, line rail push cylinder group; 104, movable mounting frame; 105, pressing cylinder; 106, fixed mounting frame; 107, pressing end recess plate; 108, ultrasonic convex plate; 110, adjusting block; 111, cooperation guard groove; 112, cooling assembly; 113, movable group; 114, refrigeration pipe; 115, lateral through port; 116, cooling ring belt; 117, top block; 118, movable pile; 119, connecting port; 120, vibrator; 121, vibration rod; 122, protruding block; 123, electric sleeve pile; 124, longitudinal sleeve rod; 125, import extrusion block; 126, lateral guide plate; 201, flow transfer disc; 202, edge distance gripper; 203, movable claw seat. DETAILED DESCRIPTION

[0035] For the purpose of facilitating the understanding of the present application, the present application will be described in further detail below with reference to the accompanying drawings, in which several embodiments of the present application are given, but the present application can be realized in different forms and is not limited to the embodiments described herein, on the contrary, these embodiments are provided in order to make the disclosure of the present application more thorough and comprehensive.

[0036] It is to be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present therebetween, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for the purpose of illustration only.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0038] The present application will be described in further detail below with reference to the accompanying drawings.

[0039] Please refer to the accompanying drawings Figures 1-3 , including the filling table 3, which is provided with a rotating clamping assembly 2 and a sealing machine group 1, the rotating clamping assembly 2 includes a flow turntable 201 installed on the filling table 3, the flow turntable 201 is provided with a plurality of edge distance grippers 202 on the side to drive the packaging bag to rotate, the sealing machine group 1 is a side inlet, the side inlet face of the sealing machine group 1 and the rotating diameter of the edge distance gripper 202 clamping the packaging bag have a tangent plane, the sealing face of the sealing machine group 1 can be a flat pressing or an arc pressing;

[0040] The sealing machine group 1 is provided with a movable group 113 inside, the movable group 113 is vibrated and the vibration end is connected with a pressing face of the sealing machine group 1, the two pressing faces of the sealing machine group 1 are short and pressed multiple times;

[0041] The sealing machine group 1 is further provided with a cooling assembly 112 inside;

[0042] The sealing machine group 1 includes a sealing cabin 102 fixed on one side above the filling table 3, the sealing cabin 102 is internally provided with a linear rail push cylinder group 103, the pushing axis of the linear rail push cylinder group 103 is towards the rotating axis of the flow turntable 201, the linear rail push cylinder group 103 is connected below with an ultrasonic convex plate 108 and a pressing end concave plate 107, the pressing end concave plate 107 and the ultrasonic convex plate 108 have a pressing gap therebetween, the pressing gap has a coinciding space with the upper rotating circle diameter of the packaging bag, the pressing gap between the pressing end concave plate 107 and the ultrasonic convex plate 108 is pushed by a pressing cylinder 105 to be closed, and thus the gap is in linkage with the rotating clamping assembly 2 in the following manner: after the packaging bag is supported and filled, the edge gripper 202 clamps the two end portions of the packaging bag, the upper portion is rotated to one side of the pressing gap, the rotating side enters the pressing gap, the contact surface of the pressing end concave plate 107 and the ultrasonic convex plate 108 is an arc plate and is mutually attached, or is a straight plate and is mutually contacted, the ultrasonic generator 101 and the linear rail push cylinder group 103 are started to perform ultrasonic sealing on the surface of the packaging bag for a plurality of times; the inlet surface layer of the sealing machine group 1 is provided to be tangent to the rotating space of the packaging bag upper area of the rotating clamping assembly 2, can quickly adapt the packaging bag in the synchronous direction, can unify all links on the packaging bag production line into the smallest time unit, can conveniently and more conveniently control the sealing operation linkage synchronization effect of the sealing machine group 1, and improve the production in unit time.

[0043] In one embodiment of the present application, please refer to Figures 3-6 , one end of the linear rail push cylinder group 103 is provided with a pressing cylinder 105, the side edge of the linear rail push cylinder group 103 is slidably connected with a movable mounting frame 104 and the pressing cylinder 105, the top two ends of the pressing end concave plate 107 are respectively connected with the fixed mounting frame 106, the top two ends of the ultrasonic convex plate 108 are respectively fixed to the bottom of the movable mounting frame 104, and the movable mounting frame 104 is connected with the pressing cylinder 105; the position where the movable mounting frame 104 is connected with the linear rail push cylinder group 103 is provided with an adjusting block 110 for adjusting the limit movement distance of the movable mounting frame 104, the mounting positions of the movable mounting frame 104 and the fixed mounting frame 106 can be interchanged, that is, the pressing end concave plate 107 is connected with the bottom of the movable mounting frame 104 and the fixed mounting frame 106 is connected with the ultrasonic convex plate 108, the movable mounting frame 104 is connected with the pressing cylinder 105, the other fixed mounting frame 106 is installed on the linear rail push cylinder group 103 in a point fixing mode, the feeding mode, distance and extrusion time of the pressing cylinder 105 are set by a program, and the rotating angle time stroke of the rotating clamping assembly 2 is the same or is reduced by a plurality of times.

[0044] In another embodiment of the present application, please refer to Figure 2 ,Figure 3 The pressing end concave plate 107 upper portion is fixedly connected with the line rail pushing cylinder group 103, the inside of the pressing end concave plate 107 is provided with a longitudinally mounted sliding rod, the sliding rod is connected with a top abutting block 117, one side of the top abutting block 117 is in a sleeving mode with the sliding rod, the movable group 113 is fixed in the concave area inside of the pressing end concave plate 107 and the acting end is connected with the top abutting block 117;

[0045] The acting end of the ultrasonic generator 101 is connected with the side of the ultrasonic convex plate 108 away from the pressing end concave plate 107, the pressing gap is formed between the top abutting block 117 and the ultrasonic convex plate 108;

[0046] The cooling assembly 112 acts on the circumferential side of the top abutting block 117;

[0047] The movable group 113 includes two vibrators 120 fixed on the top of the concave surface of the pressing end concave plate 107, the bottoms of the two vibrators 120 are connected with two vibration rods 121, the top of the top abutting block 117 is provided with two movable piles 118, the two movable piles 118 are respectively rotationally connected with two connecting ports 119, the top of the connecting port 119 is connected with the bottom of the vibration rod 121 to conduct vibration;

[0048] The top of the top abutting block 117 is provided with a convex block 122, one side of the convex block 122 is provided with an electric sleeve pile 123, the other side of the convex block 122 is provided with a longitudinal sleeve rod 124, the longitudinal sleeve rod 124 is sleeved on the sliding rod, one end of the longitudinal sleeve rod 124 is a slot-shaped column body matched with the driving end of the electric sleeve pile 123;

[0049] In the action of the activity group 113, power is generated by the vibrator 120, and vibration is transmitted by the vibrator 120. At the same time, the lateral deflection is adjusted by the activity pile 118. At this time, there are various sealing methods, among which the two side surfaces of the top block 117 are in a fixed relationship with the horizontal rail push cylinder group 103 in the transverse direction and in a movable relationship in the longitudinal direction. One side of the top block 117 is in a close relationship with the cooling ring belt 116, and the cooling ring belt 116 is in direct contact with the packaging bag. The top block 117 can be provided with horizontal or vertical micro grooves or micro protrusions. Combined with the multiple pressing of the pressing cylinder 105 and the ultrasonic effect of the ultrasonic generator 101, the contact point of the top block 117 and the surface of the packaging bag changes every time. The source of the change is the small-range micro groove or micro protrusion offset caused by one-side vibration. The contact point or surface after the offset is attached to the predetermined pressing surface layer of the last pressing cylinder 105, forming multiple small-range staggered pressing surfaces (which can be referred to as stacked pressing). In addition, each time the heat on the cooling ring belt 116 is taken away, the last predetermined pressing surface layer can experience a cold shrinkage temperature condensation, so that the properties of the last predetermined pressing surface layer are more stable and not sticky and carbonized during the ultrasonic heat pressing.

[0050] In another embodiment of the present application: Figures 2-6 The pressing side of the top block 117 can be a plane and an inward or outward convex or concave arc surface. The pressing side of the ultrasonic convex plate 108 can be a plane and an inward or outward convex or concave arc surface. When the ultrasonic convex plate 108 cooperates with the top block 117, it is in a surface fitting state. When the top block 117 and the ultrasonic convex plate 108 are in an arc pressing state, the arc center is always on the same axis as the center of the rotating disc 201. When the approaching surface of the plate top block 117 and the ultrasonic convex plate 108 is an arc surface, it can adapt to the margin of the rotating clamping assembly 2 without limiting the bending of the lower clamping part, that is, the two margin grippers 202 of the rotating clamping assembly 2 together grab the two end portions of the packaging bag. At this time, if the margin gripper 202 is installed towards the center, the two ends of the packaging bag will be pulled to the outside accordingly, and the upper end will be in contact with the pressing gap, which will cause a blocking problem that cannot be matched, and may cause the upper part of the packaging bag to bend inside the gap, thereby causing inaccurate sealing.

[0051] In another embodiment of the present application: Figures 3-6The bottom of the pressing end concave plate 107 is provided with two matching guard grooves 111 near one end of the ultrasonic convex plate 108, the cooling assembly 112 comprises two freezing pipes 114 which are coaxial with the two matching guard grooves 111, the bottom of the freezing pipe 114 is provided with two proximal lateral openings 115, the outer part of the two freezing pipes 114 is jointly sleeved with a cooling ring belt 116, the rotation axis of the two ends of the cooling ring belt 116 is the same as that of the freezing pipe 114, the cooling ring belt 116 is made of a ductile heat-conducting material, the two sides of the ultrasonic convex plate 108 are provided with lead-in extrusion blocks 125, one end of the lead-in extrusion block 125 which is in contact with the packaging bag is a bevel, the bevel is inclined from bottom to top and has a turning chamfer, the gripper end of the edge margin gripper 202 is a movable jaw base 203 which can rotate to adjust the clamping angle, the side of the pressing end concave plate 107 is provided with a side guide plate 126, when the upper sealing area of the packaging bag enters the narrow pressing surface formed by the pressing end concave plate 107 and the ultrasonic convex plate 108, if the two ends are in the state of being pulled by the two movable jaw bases 203, the upper side guide plate 126 will guide the excess part to move in advance to prevent it from being folded to the side, at the same time, the packaging bag will be close to the cooling ring belt 116 and drive the cooling ring belt 116 to move in the form of a conveyor belt, the upper and lower parts of the cooling ring belt 116 do not have a moving stroke, or the movable jaw base 203 is adjusted so that the packaging bag is not pulled on both sides, the lead-in extrusion block 125 on the other side drives the open upper end of the packaging bag to be extruded into a pressing gap size from bottom to top in advance and removes the internal gas.

[0052] In the description of the present application, it should be noted that unless specifically defined and limited, the terms "mounting", "connecting", "connecting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] The above is only an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the invention or exceed the scope defined by the present claims, which shall be within the protection scope of the present application.

Claims

1. An ultrasonic sealing machine, characterized in that: The device includes a filling table (3), on which a rotating clamping assembly (2) and a sealing unit (1) are provided. The rotating clamping assembly (2) includes a rotating disk (201) installed on the filling table (3). The rotating disk (201) has multiple edge grippers (202) around its periphery to drive the packaging bag to perform a rotating operation. The sealing unit (1) has a side inlet. The side inlet surface of the sealing unit (1) and the rotating diameter of the edge gripper (202) clamping the packaging bag have a coincident tangent surface. The sealing surface of the sealing unit (1) is a planar pressing or an arc pressing. The sealing machine unit (1) is equipped with a movable group (113) inside. The movable group (113) moves in a vibrating manner and the vibrating end is connected to one pressing surface of the sealing machine unit (1). The two pressing surfaces of the sealing machine unit (1) are pressed briefly and repeatedly. The sealing unit (1) is also equipped with a cooling assembly (112); The sealing unit (1) includes a sealing chamber (102) fixed above one side of the filling table (3). The sealing chamber (102) is equipped with a linear guide push cylinder assembly (103). The pushing axis of the linear guide push cylinder assembly (103) is oriented toward the rotation axis of the turntable (201). An ultrasonic protruding plate (108) and a pressing end concave plate (107) are connected below the linear guide push cylinder assembly (103). The upper part of the pressing end concave plate (107) is fixedly connected to the linear guide push cylinder assembly (103). A longitudinally installed slide rod is provided inside the pressing end concave plate (107). A top connecting block (117) is connected to the slide rod. One side of the top connecting block (117) is sleeved with the slide rod. The movable assembly (113) is fixed inside the concave area of ​​the pressing end concave plate (107) and its working end is connected to the top connecting block (117). The working end of the ultrasonic generator (101) is connected to the side of the ultrasonic convex plate (108) away from the pressing end concave plate (107). There is a pressing gap between the pressing end concave plate (107) and the ultrasonic convex plate (108). The pressing gap is formed between the top block (117) and the ultrasonic convex plate (108). The cooling assembly (112) acts on the periphery of the top contact block (117); The bottom of the pressing end concave plate (107) near the ultrasonic convex plate (108) is provided with two mating grooves (111), and the cooling assembly (112) includes two freezing tubes (114) with the same axial position as the two mating grooves (111). The bottom of the freezing tubes (114) is provided with two lateral openings (115) facing each other. A cooling ring (116) is sleeved on the outside of both of the two freezing tubes (114), and the rotation axes at both ends of the cooling ring (116) are the same as those of the freezing tubes (114); the cooling ring (116) is made of a tough thermally conductive material.

2. The ultrasonic sealing machine according to claim 1, characterized in that: The pressing gap has a space that overlaps with the upper rotation diameter of the packaging bag.

3. An ultrasonic sealing machine according to claim 2, characterized in that: One end of the linear guide push cylinder assembly (103) is provided with a pressing cylinder (105). The side of the linear guide push cylinder assembly (103) is slidably connected with a movable mounting frame (104) and the pressing cylinder (105). The top two ends of the pressing end concave plate (107) are respectively connected to the fixed mounting frame (106). The top two ends of the ultrasonic convex plate (108) are respectively fixed to the bottom of the movable mounting frame (104). The movable mounting frame (104) is connected to the pressing cylinder (105). An adjustment block (110) is provided at the position where the movable mounting frame (104) is connected to the linear guide push cylinder assembly (103) to adjust the limit movement distance of the movable mounting frame (104).

4. An ultrasonic sealing machine according to claim 1, characterized in that: The movable assembly (113) includes two vibrators (120) fixed to the top of the concave surface of the pressing end concave plate (107). The bottom of the two vibrators (120) is connected to two vibrating rods (121). The top of the top block (117) is provided with two movable piles (118). Two connecting ports (119) are rotatably connected to the movable piles (118). The top of the connecting port (119) is connected to the bottom of the vibrating rod (121) to conduct vibration.

5. An ultrasonic sealing machine according to claim 4, characterized in that: The top of the top connecting block (117) is provided with a protrusion (122), and an electric sleeve (123) is provided on one side of the protrusion (122). A longitudinal sleeve (124) is provided on the other side of the protrusion (122). The longitudinal sleeve (124) is sleeved on the sliding rod. One end of the longitudinal sleeve (124) is a grooved column that engages with the drive end of the electric sleeve (123).

6. An ultrasonic sealing machine according to claim 1, characterized in that: The pressing side of the top contact block (117) can be a plane and an inward or outward convex or concave arc surface. The pressing side of the ultrasonic convex plate (108) can be a plane and an inward or outward convex or concave arc surface. When the ultrasonic convex plate (108) and the top contact block (117) are in a surface-fitting state, the center of the arc surface is always on the same axis as the center of the turntable (201) when the top contact block (117) and the ultrasonic convex plate (108) are pressed together with an arc surface.

7. An ultrasonic sealing machine according to claim 1, characterized in that: The ultrasonic convex plate (108) is provided with guide extrusion blocks (125) on both sides. The end of the guide extrusion block (125) that contacts the packaging bag is a beveled cut. The beveled cut is inclined from bottom to top and has a chamfer. The gripper end of the edge gripper (202) is a movable claw seat (203) that can rotate to grip the angle; The pressing end concave plate (107) is provided with a lateral guide plate (126) on its side.

Citation Information

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