Hot-pressing sealing machine
By designing a combination of transfer plates and heating strips in a hot press sealing machine, combined with the coordination of the fixed plate and the pressing plate, the problem of sealing position offset during the hot press sealing process of plastic bags is solved, and the accuracy of sealing position and production efficiency are improved.
Patent Information
- Application Number
- CN202421795055.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Existing hot-press sealing machines are prone to offset the sealing position during the hot-press sealing process of plastic bags, resulting in inaccurate sealing position.
A hot press sealing machine is designed, which adopts a combination of rotary plates and heating strips. By rotating the rotary plates, the rotation of the rotary plates and heating strips are driven, and the fixing plates and the pressing plates are combined to ensure the stable position of the plastic bag during the hot pressing process.
It effectively prevents the position of the plastic bag from being offset during the hot pressing process, ensures the accuracy of the sealing position, reduces damage during the sealing process, and improves production efficiency.
Smart Images

Figure CN223001828U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of plastic bag processing, and particularly relates to a hot press sealing machine. Background Technique
[0002] Hot press sealing is widely used in the fields of daily chemical product packaging, food and drug packaging, etc. Since leakage is most likely to occur at the heat-sealed part of the packaging bag during product filling, and most of the damage to the packaging bag also occurs at the heat-sealed part during actual use, selecting appropriate heat-sealing materials and heat-sealing parameters can reduce the waste rate of the production line and effectively improve the overall barrier performance of the package.
[0003] For example, the Chinese patent with the publication number CN214083165U discloses a hot press type sealing machine for plastic bag processing, which includes a workbench. Above the center position of the workbench, a sealing machine main body is installed. A temperature adjustment knob is arranged on the right surface of the sealing machine main body, and a heating plate is fixedly connected to the upper surface of the sealing machine main body. A first hinge seat is fixedly connected to the left end of the upper surface of the sealing machine main body. A pressing component is arranged on the upper surface of the workbench, and a buffer component is arranged at the center position of the upper surface of the workbench. Through the arrangement of the pressing component, the pressing component controls the electric push rod to act by sensing the placed plastic bag through a proximity switch, so that the pressing rod presses the clamping plate, realizing the function of automatic sealing, saving the physical strength of the staff. The buffer spring in the buffer component can make the sealing machine main body bounce in the buffer seat to buffer the excessive pressure generated when pressing the clamping plate, avoiding the plastic bag from being crushed.
[0004] The above patent has the following problems:
[0005] When this patent is used, there are some disadvantages. For example, when this patent performs hot press sealing on a plastic bag, it has the function of automatic sealing. However, when pressing the plastic bag, there is a lack of a fixing part to fix the position of the plastic bag, which may cause the problem of the plastic bag shifting during the hot press process and resulting in the sealing position shifting. In view of this, we propose a hot press sealing machine. Content of the Utility Model
[0006] The purpose of the utility model is to provide a hot press sealing machine to solve the problems raised in the above background technique.
[0007] In view of this, the utility model provides a hot press sealing machine, including:
[0008] A base, on the top surface of the base, a fixing plate is fixedly installed. A rotating groove is opened on the top surface of the fixing plate. A rotating plate is arranged on one side of the rotating groove, and the specification of the rotating plate matches that of the rotating groove;
[0009] A first cavity is formed on the top surface of the fixed plate. The first cavity communicates with the rotating groove. A first rotating shaft is rotatably installed on the inner sidewall of the first cavity. A connecting block is fixedly installed on the outer sidewall of the first rotating shaft. One side of the connecting block is fixedly connected to one side of the rotating plate.
[0010] A second rotating shaft is rotatably installed on the inner sidewall of the first cavity. One end of the connecting block is fixedly installed with a first bevel gear. One end of the second rotating shaft is fixedly installed with a second bevel gear. The second bevel gear meshes with the first bevel gear. One side of the fixed plate is fixedly installed with a motor. One end of the output shaft of the motor is fixedly connected to one end of the second rotating shaft.
[0011] A sliding groove is formed on the top surface of the fixed plate. A pressing plate is slidably installed in the sliding groove. A second cavity is formed in the base.
[0012] A driving assembly is arranged in the second cavity and is used to drive the pressing plate to slide up and down.
[0013] In the above technical solution, further, the driving assembly includes a third rotating shaft rotatably installed in the second cavity. Two first helical gears are fixedly installed on the outer sidewall of the third rotating shaft. Two threaded rods are rotatably installed on the inner bottom surface of the second cavity. Second helical gears are fixedly installed on the outer sidewalls of the two threaded rods. The two second helical gears respectively mesh with the two first helical gears. The tops of the two threaded rods both penetrate through the top surface of the base and extend to the outside of the base. Limit disks are fixedly installed at the tops of the two threaded rods. Threaded sleeves are fixedly installed on both sides of the pressing plate. The two threaded sleeves are respectively threadedly connected to the two threaded rods. One end of the third rotating shaft penetrates through one side of the base and extends to the outside of the base. A turntable is fixedly installed at one end of the third rotating shaft.
[0014] In the above technical solution, further, a heating strip is fixedly installed on the bottom surface of the rotating plate. A pressing groove is formed on the top surface of the base. The pressing groove communicates with the rotating groove. The pressing groove matches the size of the heating strip.
[0015] In the above technical solution, further, handles are fixedly installed on both sides of the base.
[0016] In the above technical solution, further, an opening groove is formed on one side of the fixed plate. A rubber gasket is arranged on the bottom surface of the pressing plate.
[0017] In the above technical solution, further, support bars are fixedly installed on both sides of the bottom surface of the base.
[0018] The beneficial effects of the present utility model are:
[0019] 1. When the hot pressing and sealing machine is in use, one end of the plastic bag to be hot pressed and sealed passes through the opening groove and abuts against the inner side wall of the fixing plate. Rotate the turntable to drive the third rotating shaft to rotate. When the third rotating shaft rotates, the two first bevel gears on the third rotating shaft will rotate. The rotation of the two first bevel gears will drive the two second bevel gears respectively meshing with the two first bevel gears to rotate. Since the two second bevel gears are respectively fixedly installed on the outer side walls of the two threaded rods, when the two second bevel gears rotate, the two threaded rods will also rotate accordingly. When the two threaded rods rotate, the two threaded sleeves respectively threadedly connected to the outer side walls of the two threaded rods will slide up and down. When the two threaded sleeves slide up and down, they will drive the same pressing plate fixedly connected to the opposite sides of the two threaded sleeves to slide up and down. When the bottom surface of the pressing plate abuts against the plastic bag, the plastic bag is fixed, preventing the plastic bag from shifting during hot pressing and causing an error in the sealing position. Moreover, the rubber gasket on the bottom surface of the pressing plate can prevent the plastic bag from being damaged when the pressing plate abuts against it. This method has the advantages of stability and practicality.
[0020] 2. When the hot pressing and sealing machine seals, start the motor to drive the second rotating shaft to rotate. The rotation of the second rotating shaft will drive the second bevel gear at one end of the second rotating shaft to rotate. The rotation of the second bevel gear will drive the first bevel gear meshing with the second bevel gear to rotate. Since the first bevel gear is fixedly installed at one end of the first rotating shaft, when the first bevel gear rotates, the first rotating shaft will also rotate accordingly. The rotation of the first rotating shaft will drive the connecting block fixedly connected to the outer side wall of the first rotating shaft to rotate. When the connecting block rotates, it will drive the rotating plate fixedly connected to one side of the connecting block to rotate. When the rotating plate rotates, the heating strip on the bottom surface of the rotating plate will rotate accordingly. When the heating strip presses against the plastic bag mouth and fits with the lower pressing groove, the plastic bag can be hot pressed and sealed under the action of the heating strip. This method is relatively fast. Since the device is small in size, when it is necessary to apply this device to different working scenarios, the device can be transferred to other scenarios by holding the two handles with both hands, which has the advantages of portability and practicality. Description of the Drawings
[0021] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0022] Figure 2 It is a schematic diagram of the internal structure of the fixing plate of the present utility model;
[0023] Figure 3 It is a schematic diagram of the internal structure of the first cavity of the present utility model;
[0024] Figure 4 It is a schematic diagram of the sectional structure of the base of the present utility model;
[0025] Figure 5 For the present utility model Figure 4 The enlarged structure schematic diagram at A in;
[0026] Figure 6 This is a schematic diagram of the bottom surface structure of the pressing plate of the present utility model.
[0027] The markings in the figure are indicated as follows:
[0028] 1. Base; 2. Fixed plate; 3. Rotating groove; 4. Rotating plate; 5. First cavity; 6. First rotating shaft; 7. Connecting block; 8. First bevel gear; 9. Second rotating shaft; 10. Second bevel gear; 11. Motor; 12. Sliding groove; 13. Pressing plate; 14. Second cavity; 15. Third rotating shaft; 16. First helical gear; 17. Threaded rod; 18. Second helical gear; 19. Support bar; 20. Threaded sleeve; 21. Limiting disk; 22. Rubber gasket; 23. Pressing groove; 24. Heating strip; 25. Turntable; 26. Open slot; 27. Handle. Specific embodiments
[0029] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present application.
[0030] In the description of the present application, it should be noted that the terms used here are only for describing specific embodiments, rather than intending to limit the exemplary embodiments according to the present application. For the sake of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0031] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of the same type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.
[0032] It should be noted that in the description of this application, the orientation or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing this application and simplifying the description. Without contrary explanations, these directional terms do not indicate or imply that the devices or elements referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the protection scope of this application; the directional terms "inner, outer" refer to the inside and outside relative to the contours of the respective components.
[0033] It should be noted that in this application, the term "comprising", "including" or any other variants thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitations, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising such element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of this application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, the features described with reference to certain examples may be combined in other examples.
[0034] Embodiment 1:
[0035] Please refer to Figures 1-6 as shown in the figure, this embodiment provides a hot pressing sealer.
[0036] Comprising:
[0037] Base 1, a fixing plate 2 is fixedly installed on the top surface of the base 1, a rotating groove 3 is opened on the top surface of the fixing plate 2, a rotating plate 4 is arranged on one side of the rotating groove 3, and the specification of the rotating plate 4 matches that of the rotating groove 3; a first cavity 5 is opened on the top surface of the fixing plate 2, the first cavity 5 is communicated with the rotating groove 3, a first rotating shaft 6 is rotatably installed on the inner side wall of the first cavity 5, a connecting block 7 is fixedly installed on the outer side wall of the first rotating shaft 6, and one side of the connecting block 7 is fixedly connected with one side of the rotating plate 4; a second rotating shaft 9 is rotatably installed on the inner side wall of the first cavity 5, a first bevel gear 8 is fixedly installed at one end of the connecting block 7, a second bevel gear 10 is fixedly installed at one end of the second rotating shaft 9, the second bevel gear 10 meshes with the first bevel gear 8, a motor 11 is fixedly installed on one side of the fixing plate 2, and one end of the output shaft of the motor 11 is fixedly connected with one end of the second rotating shaft 9; a sliding groove 12 is opened on the top surface of the fixing plate 2, a pressing plate 13 is slidably installed in the sliding groove 12, and a second cavity 14 is opened in the base 1; a driving assembly is arranged in the second cavity 14 and is used to drive the pressing plate 13 to slide up and down. Starting the motor 11 drives the second rotating shaft 9 to rotate. The rotation of the second rotating shaft 9 drives the second bevel gear 10 at one end of the second rotating shaft 9 to rotate. The rotation of the second bevel gear 10 drives the first bevel gear 8 meshing with the second bevel gear 10 to rotate. Since the first bevel gear 8 is fixedly installed at one end of the first rotating shaft 6, when the first bevel gear 8 rotates, the first rotating shaft 6 also rotates accordingly. The rotation of the first rotating shaft 6 drives the connecting block 7 fixedly connected to the outer side wall of the first rotating shaft 6 to rotate. When the connecting block 7 rotates, it drives the rotating plate 4 fixedly connected to one side of the connecting block 7 to rotate. When the rotating plate 4 rotates, the heating strip 24 on the bottom surface of the rotating plate 4 rotates accordingly, which has the advantage of convenience.
[0038] Embodiment 2:
[0039] This embodiment provides a hot pressing and sealing machine, which has the following technical features in addition to the technical solutions of the above embodiment.
[0040] Among them, the driving component includes a third rotating shaft 15, which is rotatably installed in the second cavity 14. Two first bevel gears 16 are fixedly installed on the outer side wall of the third rotating shaft 15. Two threaded rods 17 are rotatably installed on the inner bottom surface of the second cavity 14. Second bevel gears 18 are fixedly installed on the outer side walls of the two threaded rods 17. The two second bevel gears 18 are respectively meshed with the two first bevel gears 16. The tops of the two threaded rods 17 both penetrate through the top surface of the base 1 and extend to the outside of the base 1. Limiting disks 21 are fixedly installed at the tops of the two threaded rods 17. Threaded sleeves 20 are fixedly installed on both sides of the pressing plate 13. The two threaded sleeves 20 are respectively threadedly connected with the two threaded rods 17. One end of the third rotating shaft 15 penetrates through one side of the base 1 and extends to the outside of the base 1. A turntable 25 is fixedly installed at one end of the third rotating shaft 15. Rotating the turntable 25 drives the third rotating shaft 15 to rotate. When the third rotating shaft 15 rotates, the two first bevel gears 16 on the third rotating shaft 15 will be driven to rotate. The rotation of the two first bevel gears 16 will drive the two second bevel gears 18 respectively meshed with the two first bevel gears 16 to rotate. Since the two second bevel gears 18 are respectively fixedly installed on the outer side walls of the two threaded rods 17, when the two second bevel gears 18 rotate, the two threaded rods 17 will also rotate accordingly. When the two threaded rods 17 rotate, the two threaded sleeves 20 respectively threadedly connected to the outer side walls of the two threaded rods 17 will slide up and down accordingly. When the two threaded sleeves 20 slide up and down, they will drive the same pressing plate 13 fixedly connected to the opposite sides of the two threaded sleeves 20 to slide up and down. When the bottom surface of the pressing plate 13 abuts against the plastic bag, the plastic bag is fixed, which has the advantage of being stable.
[0041] Embodiment 3:
[0042] This embodiment provides a hot pressing and sealing machine, which, in addition to including the technical solutions of the above embodiments, also has the following technical features.
[0043] Among them, a heating strip 24 is fixedly installed on the bottom surface of the rotating plate 4. A pressing groove 23 is formed on the top surface of the base 1. The pressing groove 23 communicates with the rotating groove 3. The pressing groove 23 matches the size of the heating strip 24. When the heating strip 24 presses against the plastic bag mouth and fits with the pressing groove 23, the plastic bag can be hot-pressed and sealed under the action of the heating strip 24. This method is relatively fast and has the advantage of being efficient and fast.
[0044] Embodiment 4:
[0045] This embodiment provides a hot pressing and sealing machine, which, in addition to including the technical solutions of the above embodiments, also has the following technical features.
[0046] Among them, handles 27 are fixedly installed on both sides of the base 1. When it is necessary to apply this device to different working scenarios, the device can be transferred to other scenarios by grasping the two handles 27 with both hands, which has the advantage of being practical.
[0047] Example 5:
[0048] This embodiment provides a hot press sealer. In addition to including the technical solutions of the above embodiments, it also has the following technical features.
[0049] Wherein, an opening groove 26 is formed on one side of the fixing plate 2, and a rubber gasket 22 is arranged on the bottom surface of the pressing plate 13. One end of the plastic bag to be hot press sealed is passed through the opening groove 26 and abuts against the inner side wall of the fixing plate 2. The rubber gasket 22 on the bottom surface of the pressing plate 13 can prevent the plastic bag from being damaged when the pressing plate 13 abuts against the plastic bag. This method has the advantages of convenience and practicality.
[0050] Example 6:
[0051] This embodiment provides a hot press sealer. In addition to including the technical solutions of the above embodiments, it also has the following technical features.
[0052] Wherein, support bars 19 are fixedly installed on both sides of the bottom surface of the base 1. The support bars 19 can improve the stability during operation and have the advantages of firmness and practicality.
[0053] During use: Pass one end of the plastic bag to be heat-sealed through the opening groove 26 and press it against the inner wall of the fixed plate 2. Rotate the turntable 25 to drive the third rotating shaft 15 to rotate. When the third rotating shaft 15 rotates, it will drive the two first bevel gears 16 on the third rotating shaft 15 to rotate. The rotation of the two first bevel gears 16 will drive the two second bevel gears 18 respectively meshing with the two first bevel gears 16 to rotate. Since the two second bevel gears 18 are respectively fixedly installed on the outer walls of the two threaded rods 17, when the two second bevel gears 18 rotate, the two threaded rods 17 also rotate accordingly. When the two threaded rods 17 rotate, the two threaded sleeves 20 respectively threadedly connected to the outer walls of the two threaded rods 17 also slide up and down. When the two threaded sleeves 20 slide up and down, they will drive the same pressing plate 13 fixedly connected to the opposite sides of the two threaded sleeves 20 to slide up and down. When the bottom surface of the pressing plate 13 abuts against the plastic bag, the plastic bag is fixed, preventing the situation that the position of the plastic bag shifts during heat pressing, resulting in an incorrect sealing position. Moreover, the rubber gasket 22 on the bottom surface of the pressing plate 13 can prevent the pressing plate 13 from damaging the plastic bag when it abuts against the plastic bag. This method has the advantages of stability and practicality. During sealing, start the motor 11 to drive the second rotating shaft 9 to rotate. The rotation of the second rotating shaft 9 will drive the second bevel gear 10 at one end of the second rotating shaft 9 to rotate. The rotation of the second bevel gear 10 will drive the first bevel gear 8 meshing with the second bevel gear 10 to rotate. Since the first bevel gear 8 is fixedly installed at one end of the first rotating shaft 6, when the first bevel gear 8 rotates, the first rotating shaft 6 also rotates accordingly. The rotation of the first rotating shaft 6 will drive the connecting block 7 fixedly connected to the outer wall of the first rotating shaft 6 to rotate. When the connecting block 7 rotates, it will drive the rotating plate 4 fixedly connected to one side of the connecting block 7 to rotate. When the rotating plate 4 rotates, the heating strip 24 on the bottom surface of the rotating plate 4 rotates accordingly. When the heating strip 24 presses the plastic bag opening and fits with the lower pressing groove 23, the plastic bag can be heat-sealed under the action of the heating strip 24. This method is relatively fast. Since the device is small in size, when it is necessary to apply the device to different working scenarios, the device can be transferred to other scenarios by grasping the two handles 27 with both hands, which has the advantages of portability and practicality.
[0054] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and the features in the embodiments in the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection scope of the present application.
Claims
1. A hot pressing sealing machine, characterized in that: include: A base (1), a fixing plate (2) being fixedly mounted on the top surface of the base (1), a rotation groove (3) being provided on the top surface of the fixing plate (2), a rotation plate (4) being provided on one side of the rotation groove (3), and the specification of the rotation plate (4) matching that of the rotation groove (3); A first cavity (5), wherein the first cavity (5) is provided on the top surface of the fixed plate (2), the first cavity (5) is communicated with the rotating groove (3), a first rotating shaft (6) is rotatably mounted on the inner side wall of the first cavity (5), a connecting block (7) is fixedly mounted on the outer side wall of the first rotating shaft (6), and one side of the connecting block (7) is fixedly connected to one side of the rotating plate (4); A second rotating shaft (9), the second rotating shaft (9) is rotatably mounted on the inner wall of the first cavity (5), a first bevel gear (8) is fixedly mounted on one end of the connecting block (7), a second bevel gear (10) is fixedly mounted on one end of the second rotating shaft (9), the second bevel gear (10) is meshed with the first bevel gear (8), a motor (11) is fixedly mounted on one side of the fixing plate (2), and one end of the output shaft of the motor (11) is fixedly connected to one end of the second rotating shaft (9); A slide groove (12), wherein the slide groove (12) is provided on the top surface of the fixed plate (2), a pressing plate (13) is slidably installed in the slide groove (12), and a second cavity (14) is provided in the base (1); A driving assembly is arranged in the second cavity (14) and is used to drive the pressing plate (13) to slide up and down.
2. A hot pressing sealing machine according to claim 1, characterized in that: The driving assembly comprises a third rotating shaft (15), the third rotating shaft (15) is rotatably mounted in the second cavity (14), two first bevel gears (16) are fixedly mounted on the outer wall of the third rotating shaft (15), two threaded rods (17) are rotatably mounted on the inner bottom surface of the second cavity (14), second bevel gears (18) are fixedly mounted on the outer walls of the two threaded rods (17), the two second bevel gears (18) are respectively meshed with the two first bevel gears (16), and the two threaded rods (17) are respectively meshed with the two first bevel gears (16). The top ends of the rods (17) pass through the top surface of the base (1) and extend to the outside of the base (1); the top ends of the two threaded rods (17) are fixedly mounted with limit disks (21); threaded sleeves (20) are fixedly mounted on both sides of the pressure plate (13); the two threaded sleeves (20) are respectively threadedly connected to the two threaded rods (17); one end of the third rotating shaft (15) passes through one side of the base (1) and extends to the outside of the base (1); and a rotating disk (25) is fixedly mounted on one end of the third rotating shaft (15).
3. A hot pressing sealing machine according to claim 1, characterized in that: A heating strip (24) is fixedly mounted on the bottom surface of the rotating plate (4), and a lower pressing groove (23) is provided on the top surface of the base (1). The lower pressing groove (23) is connected to the rotating groove (3), and the size of the lower pressing groove (23) matches that of the heating strip (24).
4. A hot pressing sealing machine according to claim 1, characterized in that: Handles (27) are fixedly mounted on both sides of the base (1).
5. A hot pressing sealing machine according to claim 1, characterized in that: An open groove (26) is provided on one side of the fixing plate (2), and a rubber gasket (22) is provided on the bottom surface of the pressing plate (13).
6. A hot pressing sealing machine according to claim 1, characterized in that: Support bars (19) are fixedly mounted on both sides of the bottom surface of the base (1).
Citation Information
Patent Citations
Hot-pressing type sealing machine for plastic bag processing
CN214083165U