Strip packaging bag induction sealing device and strip packaging machine

Abstract

The utility model discloses a strip package bag induction sealing device and a strip package machine, and relates to the technical field of packaging equipment, the strip package bag induction sealing device comprises a first mounting seat 3, an induction coil 9, an induction block 5 and a magnetic conductive block 6 are arranged in the first mounting seat 3, a cooling medium channel is arranged in the induction coil 9, the induction coil 9 is connected with the induction block 5, and the magnetic conductive block 6 is connected with the induction block 5. The induction block 5 comprises a first induction block 12 and a second induction block 13 which are vertically arranged in a separated mode, the magnetic conduction block 6 is provided with a protruding part 27, the protruding part 27 is clamped between the first induction block 12 and the second induction block 13, and the first installation base 3 is further filled with a magnetic mixture. The carton bag induction sealing device and the carton bag machine have the advantages that the carton bag sealing efficiency is high, and carton bag sealing is attractive.

Description

TECHNICAL FIELD

[0001] The utility model belongs to packaging equipment technical field especially, it relates to a strip bag induction sealing device and strip packing machine. BACKGROUND

[0002] The film is formed into strip bag after longitudinal sealing, transverse sealing, filling and slitting, and the transverse sealing of the strip bag is high-temperature sealing through the principle of heat transfer, which has certain requirements on sealing time, and the production speed cannot be effectively improved due to long sealing time; the temperature fluctuates during the heating process, resulting in poor sealing and uneven sealing, and the liquid strip bag is prone to liquid clamping and liquid leakage. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problem of overcoming the prior art, and provides a strip bag induction sealing device and strip packing machine capable of improving strip bag sealing efficiency and ensuring strip bag sealing beauty.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A strip bag induction sealing device, comprising a first mounting seat 3, wherein the inside of the first mounting seat 3 is provided with an induction coil 9, an induction block 5 and a magnetic conducting block 6, the inside of the induction coil 9 is provided with a cooling medium channel, the induction coil 9 is connected with the induction block 5, the induction block 5 comprises a first induction block 12 and a second induction block 13 arranged in an upper-lower separation mode, the magnetic conducting block 6 is provided with a protruding part 27, the protruding part 27 is clamped between the first induction block 12 and the second induction block 13, and the inside of the first mounting seat 3 is further filled with a magnetic member, so as to realize high-speed sealing and ensure the sealing beauty of the strip bag.

[0006] As a further improvement of the above technical scheme:

[0007] The induction coil 9 is provided with a cooling medium inlet 28 and a cooling medium outlet 29, and the cooling medium inlet 28 and the cooling medium outlet 29 are arranged on one side of the first mounting seat 3, which is convenient for installation.

[0008] The first mounting seat 3 is provided with a transformer 7 above, the induction coil 9 is a copper pipe, the induction coil 9 is connected with a copper sheet 10, the copper sheet 10 is arranged outside the first mounting seat 3, and the transformer 7 is connected with the copper sheet 10 through a copper bar 11.

[0009] The induction block 5, the induction coil 9, the copper sheet 10 and the copper bar 11 are welded through silver brazing.

[0010] The magnetic member is resin potting adhesive and manganese-zinc magnetic powder, the induction block 5 and the magnetic conducting block 6 are adhered through the resin potting adhesive, and the magnetic member is filled into the inside of the first mounting seat 3 through at least twice vacuum extraction.

[0011] The first sensing block 12 has an arc-shaped portion 14 , and the first sensing block 12 is used to seal the bottom of the strip bag.

[0012] A strip bag machine includes a first transverse sealing mechanism 26, which includes any of the strip bag induction sealing devices described above and a mounting frame 1. The mounting frame 1 is provided with a drive assembly 2, which connects a first mounting seat 3 and a second mounting seat 4. The drive assembly 2 drives the first mounting seat 3 and the second mounting seat 4 to move closer to or away from each other. The second mounting seat 4 is provided with a gasket 8, which is arranged opposite to the induction block 5.

[0013] As a further improvement to the above charter scheme:

[0014] The first mounting seat 3 is arranged on a side close to the mounting frame 1 .

[0015] The drive assembly 2 includes a servo motor 15, a synchronous belt 16, a transmission rod 17 and a connecting rod assembly 18. The servo motor 15 is connected to the transmission rod 17 through the synchronous belt 16. The transmission rod 17 is connected to the connecting rod assembly 18. The connecting rod assembly 18 includes a first connecting rod 19 connected to the first mounting seat 3 and a second connecting rod 20 connected to the second mounting seat 4. The first connecting rod 19 and the second connecting rod 20 are connected by a cam 21.

[0016] The bag sealing mechanism comprises a longitudinal sealing mechanism 22, a first transverse sealing mechanism 26, a second transverse sealing mechanism 23 and a bag cutting mechanism 24 which are arranged in sequence from top to bottom.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] The utility model is an induction sealing device for strip bags, which transmits high-frequency voltage to the aluminum foil layer of the strip bag to be sealed through the induction coil 9, the induction block 5 and the magnetic conductive block 6, so that the aluminum foil is heated and the heat is transferred to the inner layer of polyethylene to melt it, completing the sealing process. The sealing speed is fast and the sealed strip bag has an attractive appearance.

[0019] A cooling medium channel is provided inside the induction coil 9, through which the cooling medium is passed to prevent overheating. The first induction block 12 and the second induction block 13 are separated and arranged above and below and are used to seal the bottom and top of different strip bags respectively. Different patterns can be formed as needed. The protrusion 27 of the magnetic block 6 is clamped between the first induction block 12 and the second induction block 13 to ensure that the magnetic block 6 is accurately positioned and the induction sealing position is accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Fig. 1 This is a schematic diagram of the internal structure of an induction sealing device for a strip bag according to the present invention;

[0021] Fig. 2 It is an external structure schematic view of a strip bag induction sealing device;

[0022] Fig. 3 It is a structure schematic view of a first transverse sealing mechanism of a strip packaging machine;

[0023] Fig. 4 It is a structure schematic view of a strip packaging machine.

[0024] In the figure, the reference signs of the utility model are as follows: 1, mounting frame; 2, drive assembly; 3, first mounting seat; 4, second mounting seat; 5, induction block; 6, magnetic conduction block; 7, transformer; 8, gasket; 9, induction coil; 10, copper sheet; 11, copper bar; 12, first induction block; 13, second induction block; 14, arc-shaped part; 15, servo motor; 16, synchronous belt; 17, transmission rod; 18, connecting rod assembly; 19, first connecting rod; 20, second connecting rod; 21, cam; 22, longitudinal sealing mechanism; 23, second transverse sealing mechanism; 24, bag cutting mechanism; 25, traction drive mechanism; 26, strip bag transverse sealing mechanism; 27, protruding part; 28, cooling medium inlet; 29, cooling medium outlet. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail below in combination with the drawings and specific embodiments of the specification.

[0026] As Figs. 1 to 4 shown, a strip bag induction sealing device includes a first mounting seat 3, the inside of the first mounting seat 3 is provided with an induction coil 9, an induction block 5 and a magnetic conduction block 6, the inside of the induction coil 9 is provided with a cooling medium channel, the induction coil 9 is connected with the induction block 5, the induction block 5 includes a first induction block 12 and a second induction block 13 arranged separately upwards and downwards, the magnetic conduction block 6 is provided with a protruding part 27, the protruding part 27 is clamped between the first induction block 12 and the second induction block 13, and the inside of the first mounting seat 3 is further filled with a magnetic piece.

[0027] Through the induction coil 9, the induction block 5 and the magnetic conduction block 6, high-frequency voltage is delivered to the aluminum foil layer of the strip bag needing to be sealed, so that the aluminum foil is heated and the heat is transmitted to the inner layer polyethylene to make it melt, the sealing process is completed, the sealing speed is fast, and the appearance of the strip bag sealed and formed is beautiful. The inside of the induction coil 9 is provided with a cooling medium channel, cooling medium is passed in to prevent overheating, the first induction block 12 and the second induction block 13 arranged separately upwards and downwards are respectively used for sealing the bottom and the top of different strip bags, different lines can be formed according to needs, the protruding part 27 of the magnetic conduction block 6 is clamped between the first induction block 12 and the second induction block 13, the positioning of the magnetic conduction block 6 is ensured to be accurate, and the induction sealing position is ensured to be accurate.

[0028] The induction coil 9 is provided with a cooling medium inlet 28 and a cooling medium outlet 29, both of which are arranged on one side of the first mounting seat 3, facilitating the welding of the induction coil 9 and the copper sheet 10, and the transformer 7 is arranged above the first mounting seat 3, the induction coil 9 is a copper pipe, the induction coil 9 is connected to the copper sheet 10, the copper sheet 10 is arranged outside the first mounting seat 3, the transformer 7 is connected to the copper sheet 10 through the copper bar 11, and high-frequency voltage is provided to the induction coil 9 through the transformer 7.

[0029] The induction block 5, the induction coil 9, the copper sheet 10 and the copper bar 11 are welded by silver brazing, the induction block 5 and the magnetic block 6 are adhered by resin pouring glue, and the magnetic member is filled into the inside of the first mounting seat 3 through at least two times of vacuumizing.

[0030] The induction block 5 and the magnetic block 6 are adhered together in the first mounting seat 3, the magnetic sheet is arranged in the side wall of the first mounting seat 3, and the magnetic member is poured into the inside of the first mounting seat 3, the magnetic member is a mixture of resin pouring glue and manganese-zinc magnetic powder, the first pouring is performed to be flush with the upper plane of the first mounting seat 3, then vacuumizing is performed to remove air bubbles in the mixture member, so that the magnetic properties are not affected, then pouring and vacuumizing are performed again, and finally drying is performed, and the first mounting seat 3 after the drying is finished is milled, so that the first mounting seat 3 and the magnetic member are located on the same horizontal plane.

[0031] The first induction block 12 has an arc-shaped portion 14, and is used for sealing the bottom of a strip bag, so that the bottom of the transversely sealed strip bag has an arc-shaped structure and is more beautiful in structure.

[0032] A strip bag machine comprises a first transverse sealing mechanism 26, the first transverse sealing mechanism 26 comprising the strip bag induction sealing device and the mounting frame 1 according to any one of the above, the mounting frame 1 being provided with a driving assembly 2, the driving assembly 2 being connected to the first mounting seat 3 and the second mounting seat 4, the driving assembly 2 driving the first mounting seat 3 and the second mounting seat 4 to move close to or away from each other, the second mounting seat 4 being provided with a gasket 8, the gasket 8 being arranged opposite to the induction block 5, the gasket 8 being a silica gel gasket, and the first mounting seat 3 and the second mounting seat 4 being used for realizing the transverse sealing of the strip bag.

[0033] The first mounting seat 3 is arranged on one side close to the mounting frame 1, the transformer 7 is arranged on the first mounting seat 3, and the first mounting seat 3 is arranged close to the driving assembly 2, so as to facilitate the butt joint and line arrangement of the cooling medium inlet 28 and the cooling medium outlet 29 in the first mounting seat 3, and after the longitudinal sealing of the strip bag material, the inner side close to the mounting frame 1 has two layers, and the outer side has three layers, the induction block 5 contacts fewer layers of the strip bag material, and the sealing effect is better.

[0034] The driving assembly 2 comprises a servo motor 15, a synchronous belt 16, a transmission rod 17 and a linkage assembly 18, the servo motor 15 is connected with the transmission rod 17 through the synchronous belt 16, the transmission rod 17 is connected with the linkage assembly 18, the linkage assembly 18 comprises a first linkage 19 connected with the first mounting base 3 and a second linkage 20 connected with the second mounting base 4, the first linkage 19 and the second linkage 20 are connected through a cam 21, synchronous actions of the first mounting base 3 and the second mounting base 4 are realized, the first mounting base 3 and the second mounting base 4 are close to or away from each other, due to the light weight of the strip bag, synchronous actions are avoided, and the strip bag is prevented from being adhered to the first mounting base 3 or the second mounting base 4.

[0035] The strip bag machine comprises, from top to bottom, a longitudinal sealing mechanism 22, a first transverse sealing mechanism 26, a second transverse sealing mechanism 23 and a bag cutting mechanism 24, in the double-transverse-sealing strip bag machine, only the first transverse sealing mechanism 26 located at the top adopts induction sealing, so that the strip bag can be quickly sealed, and the operation efficiency of the whole machine is improved, and the second transverse sealing mechanism 23 can still adopt heating sealing.

[0036] The induction sealing speed can reach 0.1-0.3 seconds per single column, the sealing time is greatly reduced, the production speed is improved, the induction sealing is a non-continuous heat source, and the energy consumption is greatly reduced.

[0037] Although the utility model has disclosed as above with preferable embodiments, however, it is not used to limit the utility model. Any skilled person in the art, without departing from the technical scheme range of the utility model, can utilize the technical content disclosed above to make many possible changes and modifications to the utility model technical scheme, or modify equivalent embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model technical scheme, all should fall within the protection range of the utility model technical scheme.

Claims

1. An induction sealing device for strip bags, characterized in that: The invention comprises a first mounting seat (3), wherein an induction coil (9), an induction block (5) and a magnetic conductive block (6) are provided inside the first mounting seat (3), a cooling medium channel is provided inside the induction coil (9), the induction coil (9) is connected to the induction block (5), the induction block (5) comprises a first induction block (12) and a second induction block (13) which are separated and arranged in an upper and lower manner, the magnetic conductive block (6) is provided with a protrusion (27), and the protrusion (27) is clamped between the first induction block (12) and the second induction block (13), and the first mounting seat (3) is also filled with magnetic parts.

2. The stick bag induction sealing device according to claim 1, characterized in that The induction coil (9) is provided with a cooling medium inlet (28) and a cooling medium outlet (29), and the cooling medium inlet (28) and the cooling medium outlet (29) are both arranged on one side of the first mounting seat (3).

3. The stick bag induction sealing device according to claim 1, characterized in that A transformer (7) is provided above the first mounting seat (3); the induction coil (9) is a copper tube; the induction coil (9) is connected to a copper sheet (10); the copper sheet (10) is provided outside the first mounting seat (3); and the transformer (7) is connected to the copper sheet (10) via a copper busbar (11).

4. The stick bag induction sealing device according to claim 3, characterized in that The induction block (5), the induction coil (9), the copper sheet (10) and the copper busbar (11) are welded by silver brazing.

5. The stick bag induction sealing device according to claim 1, characterized in that The induction block (5) and the magnetic conductive block (6) are bonded together by resin potting glue, and the magnetic component is filled into the interior of the first mounting seat (3) by vacuuming at least twice.

6. The stick bag induction sealing device according to claim 1, characterized in that The first sensing block (12) has an arc-shaped portion (14), and the first sensing block (12) is used for sealing the bottom of the strip bag.

7. A strip wrapping machine, characterized in that: The invention comprises a first transverse sealing mechanism (26), wherein the first transverse sealing mechanism (26) comprises the strip bag induction sealing device according to any one of claims 1 to 6 and a mounting frame (1), wherein the mounting frame (1) is provided with a driving component (2), wherein the driving component (2) is connected to the first mounting seat (3) and the second mounting seat (4), and wherein the driving component (2) drives the first mounting seat (3) and the second mounting seat (4) to move closer to or away from each other, and wherein the second mounting seat (4) is provided with a gasket (8), and the gasket (8) is arranged opposite to the induction block (5).

8. The stick packing machine according to claim 7, characterized in that: The first mounting seat (3) is arranged on a side close to the mounting frame (1).

9. The stick packing machine according to claim 7, characterized in that: The driving assembly (2) comprises a servo motor (15), a synchronous belt (16), a transmission rod (17) and a connecting rod assembly (18); the servo motor (15) is connected to the transmission rod (17) via the synchronous belt (16); the transmission rod (17) is connected to the connecting rod assembly (18); the connecting rod assembly (18) comprises a first connecting rod (19) connected to the first mounting seat (3) and a second connecting rod (20) connected to the second mounting seat (4); the first connecting rod (19) and the second connecting rod (20) are connected via a cam (21).

10. The stick packing machine according to claim 7, wherein: The invention comprises a longitudinal sealing mechanism (22), a first transverse sealing mechanism (26), a second transverse sealing mechanism (23) and a bag cutting mechanism (24) which are arranged in sequence from top to bottom.

Images