Ultrasonic heat-sealing device for packaging bag
By designing a compact ultrasonic heat sealing device, the problems of unreliable sealing and complex structure of packaging bag heat sealing devices are solved, achieving reliable sealing and space saving in vacuum packaging machines.
Patent Information
- Application Number
- CN202423194255.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing heat-sealing devices for packaging bags suffer from unreliable sealing, complex structure, and large space requirements, making them particularly inconvenient to install in vacuum packaging machines.
The device features a compact ultrasonic heat sealing design, comprising an ultrasonic heat sealing head and a heat sealing base mold positioned opposite each other. The heat sealing head and base mold are accurately positioned by a cylinder drive structure. The device is integrated with a guide structure slide plate, and the base mold drive structure is located above the base mold, reducing space requirements.
It achieves reliable sealing and a compact structure for packaging bags, making it suitable for arrangement and installation in vacuum packaging machines.
Smart Images

Figure CN223574849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to packing bag heat sealing technical field especially is a kind of packing bag ultrasonic heat sealing device. BACKGROUND
[0002] The bag head of packing bag needs to be sealed by heat sealing assembly in vacuum packaging machine;The existing packing bag heat sealing assembly is mostly electric ironing strip heat sealing structure, such as foreign matter at bag mouth cannot realize reliable sealing;Such as the patent CN110182418A discloses a kind of food packaging machine heat sealing assembly, has: box;Horizontal shaft, setting in box;Swing rod, wherein the middle accessory is rotatably installed on horizontal shaft, three swing arms are provided on swing rod;Outer push-pull rod, first end extends into box and can slide in box;Inner push-pull rod, first end extends into box and can slide in box;First connecting rod;Second connecting rod;Outer heat sealing seat, with the second end of outer push-pull rod fixed connection;Inner heat sealing seat, with the second end of inner push-pull rod fixed connection;Ironing strip, each setting one ironing strip on outer heat sealing seat and inner heat sealing seat, ironing strip on outer heat sealing seat and inner heat sealing seat is oppositely arranged;Heating pipe, setting in ironing strip;Sealing exists unreliable problem using ironing strip.
[0003] There is also ultrasonic heat sealing device in prior art, but the existing ultrasonic heat sealing device structure is complex, occupies large space, is not conducive to arrangement in vacuum packaging machine;Such as the patent CN216330445U discloses a kind of ironing device for packing bag making machine, belongs to making machine technical field, and its technical scheme main points include fixed frame, fixed frame includes lower positioning frame, upper positioning frame, separation knife rest and two ultrasonic ironing devices, two ultrasonic ironing devices are located at the two sides of lower positioning frame and upper positioning frame respectively, and two ultrasonic ironing devices are respectively fixedly connected with the top end and bottom end in the inside of fixed frame, start ultrasonic ironing device, heat lower ironing frame and upper ironing frame, start second electric control rod, drive lower ironing frame and upper ironing frame to move relatively and move oppositely, realize to ironing heat sealing to packing bag. UTILITY MODEL CONTENTS
[0004] In view of prior art deficiency, the utility model provides a kind of packing bag ultrasonic heat sealing device, to reach the purpose of compact structure, facilitate arrangement.
[0005] In order to solve the above technical problems, the technical scheme adopted by the utility model is:
[0006] The packaging bag ultrasonic heat sealing device, including opposite arrangement ultrasonic heat sealing head and heat sealing bottom die, still include opposite arrangement a pair of side plates, a pair of side plates between be equipped with for driving ultrasonic heat sealing head air cylinder I and for driving heat sealing bottom die air cylinder II, air cylinder I and air cylinder II opposite arrangement, air cylinder I's piston rod is connected with rear moving plate, ultrasonic heat sealing head sets up on rear moving plate, air cylinder II's piston rod is connected with front moving plate, heat sealing bottom die sets up on front moving plate.
[0007] Further:
[0008] The side plate is L-shaped plate structure.
[0009] The L-shaped plate lower part forms a notch, and the ultrasonic heat sealing head and the heat sealing bottom die are arranged corresponding to the notch.
[0010] The air cylinder II is fixed between the pair of side plates through a front fixed plate, and the front fixed plate and the side plate are vertically arranged.
[0011] The front end of the pair of side plates is provided with a front sealing plate, a guide rod is arranged between the front fixed plate and the front sealing plate, the front moving plate is a front sliding seat plate, and the front sliding seat plate is matched with the guide rod.
[0012] The air cylinder I is fixedly arranged between the rear ends of the pair of side plates through a rear fixed plate, and the rear moving plate is located on the inner side of the rear fixed plate.
[0013] The pair of side plates is provided with an intermediate fixed plate, and a guide rod is arranged between the rear fixed plate and the intermediate fixed plate, the rear moving plate is a rear sliding seat plate, and the rear sliding seat plate is matched with the guide rod.
[0014] The ultrasonic heat sealing head is fixed on the rear sliding seat plate through a connecting column.
[0015] The guide rods between the rear fixed plate and the intermediate fixed plate are a group, part of the guide rods are located above the connecting column, and the other part of the guide rods are located below the connecting column.
[0016] Compared with the prior art, the utility model has the following advantages:
[0017] The packaging bag ultrasonic heat sealing device has reasonable structure design, the heat sealing head and the bottom die need to be accurately and reliably arranged for heat sealing of the packaging bag, the sliding seat plate is arranged through the guide structure integration, the driving structure of the bottom die is arranged above the bottom die, the structure is compact, the occupied space is small, and the arrangement and installation in the packaging machine are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0018] The contents expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:
[0019] Fig. 1 It is device structure schematic diagram of the utility model.
[0020] Fig. 2 and 3 It is the inside schematic view of the device.
[0021] In the figure:
[0022] 1. side plate, 2. heat sealing bottom die, 3. front sliding seat plate, 4. cylinder I, 5. ultrasonic heat sealing mechanism, 6. ultrasonic heat sealing head, 7. front fixed plate, 8. cylinder II, 9. guide rod, 10. rear fixed plate, 11. rear sliding seat plate. DETAILED DESCRIPTION
[0023] The specific embodiments of the utility model are further explained in detail by the description of the embodiments with reference to the drawings.
[0024] As Figs. 1-3 shown, the packaging bag ultrasonic heat sealing device comprises a pair of side plates 1 arranged oppositely and ultrasonic heat sealing heads 6 and heat sealing bottom dies 2 arranged oppositely; a cylinder I 4 for driving the ultrasonic heat sealing head to move and a cylinder II 8 for driving the heat sealing bottom die to move are arranged between the pair of side plates, and the cylinder I and the cylinder II are arranged oppositely.
[0025] The piston rod of the cylinder I 4 is connected with a rear moving plate, the ultrasonic heat sealing head is arranged on the rear moving plate, and the ultrasonic heat sealing head is located below the cylinder I; the piston rod of the cylinder II is connected with a front moving plate, the heat sealing bottom die is arranged on the front moving plate, and the heat sealing bottom die is located below the cylinder II, and the structure is compact.
[0026] The side plate is an L-shaped plate structure, and main components are arranged between the pair of side plates through the fixed plate; the lower part of the L-shaped plate forms a notch, the ultrasonic heat sealing head and the heat sealing bottom die are arranged corresponding to the notch, and the structure is compact.
[0027] The cylinder II is fixed between the pair of side plates through the front fixed plate 7, and the front fixed plate and the side plate are arranged perpendicularly. A front sealing plate is arranged between the front ends of the pair of side plates, a guide rod is arranged between the front fixed plate and the front sealing plate, the front moving plate is a front sliding seat plate 3, the front sliding seat plate cooperates with the guide rod 9, the heat sealing bottom die is fixed at the lower end of the front sliding seat plate, the structure is compact, and is stable and reliable.
[0028] The cylinder I 4 is fixedly arranged between the rear ends of the pair of side plates through the rear fixed plate 10, and the rear moving plate is located on the inner side of the rear fixed plate; an intermediate fixed plate is arranged between the pair of side plates, a guide rod is arranged between the rear fixed plate and the intermediate fixed plate, the rear moving plate is a rear sliding seat plate 11, and the rear sliding seat plate cooperates with the guide rod.
[0029] The ultrasonic heat sealing head is fixed on one side of the rear slide plate by a connecting column, the ultrasonic heat sealing mechanism is fixed on the rear fixed plate, the ultrasonic heat sealing mechanism 5 is provided with an expansion joint, the expansion joint is connected with the inner end of the connecting column; the guide rods between the rear fixed plate and the middle fixed plate are a group, part of the guide rods are located above the connecting column, and the other part of the guide rods are located below the connecting column, so that the structure is stable and reliable.
[0030] The packaging bag ultrasonic heat sealing device has reasonable structure design, the heat sealing head and the bottom die are accurately and reliably positioned for heat sealing of the packaging bag, the slide plate is provided by the integrated guiding structure, the driving structure of the bottom die is arranged above the bottom die, the structure is compact, the occupied space is small, and the packaging machine is facilitated to be arranged and installed.
[0031] The above is only the description of the preferred embodiment of the utility model, and the above technical features can be combined to form multiple embodiment schemes of the utility model.
[0032] The utility model is described above in combination with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various non-essential improvements are adopted by using the concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, and all falls within the protection scope of the utility model.
Claims
1. A packaging bag ultrasonic heat sealing apparatus comprising an ultrasonic heat sealing head and a heat sealing bottom die disposed opposite to each other, characterized in that: The pair of side plates are oppositely arranged, and a cylinder I for driving the ultrasonic heat sealing head and a cylinder II for driving the heat sealing bottom die are arranged between the pair of side plates, the cylinder I and the cylinder II are oppositely arranged, a rear moving plate is connected to a piston rod of the cylinder I, the ultrasonic heat sealing head is arranged on the rear moving plate, a front moving plate is connected to a piston rod of the cylinder II, and the heat sealing bottom die is arranged on the front moving plate.
2. The packaging bag ultrasonic heat sealing apparatus according to claim 1, wherein: The side plate is an L-shaped plate structure.
3. The apparatus for ultrasonically heat sealing a package according to claim 2, wherein: The L-shaped plate is formed with a notch at a lower portion, and the ultrasonic heat sealing head and the heat sealing bottom die are arranged corresponding to the notch.
4. The apparatus of claim 1 wherein: The cylinder II is fixed between the pair of side plates through a front fixed plate, and the front fixed plate is arranged perpendicularly to the side plate.
5. The ultrasonic heat sealing device for packaging bags as described in claim 4, characterized in that: A front sealing plate is arranged between front ends of the pair of side plates, a guide rod is arranged between the front fixed plate and the front sealing plate, the front moving plate is a front sliding seat plate, and the front sliding seat plate cooperates with the guide rod.
6. The apparatus of claim 1 wherein: The cylinder I is fixed through a rear fixed plate arranged between rear ends of the pair of side plates, and the rear moving plate is located inside the rear fixed plate.
7. The apparatus of claim 6 wherein: An intermediate fixed plate is arranged between the pair of side plates, a guide rod is arranged between the rear fixed plate and the intermediate fixed plate, the rear moving plate is a rear sliding seat plate, and the rear sliding seat plate cooperates with the guide rod.
8. The apparatus of claim 7 wherein: The ultrasonic heat sealing head is fixed on the rear sliding seat plate through a connecting column.
9. The apparatus of claim 8 wherein: The guide rods between the rear fixed plate and the intermediate fixed plate are a group, a part of the guide rods are located above the connecting column, and the other part of the guide rods are located below the connecting column.
Citation Information
Patent Citations
Heat seal assembly of food packaging machine
CN110182418A