CN217805663U - Servo horizontal sealing mechanism for single-row strip packages - Google Patents

Abstract

A single-row strip pack servo transverse sealing mechanism comprises a lifting assembly, a transverse sealing rack, a transverse sealing driving assembly, a front sealing roller and a rear sealing roller, wherein the lifting assembly drives the transverse sealing rack to move up and down; the gear rack assembly comprises a gear, a first rack and a second rack, the first rack is fixedly connected with a first nut, the first rack is fixedly connected with the front sealing roller, the second rack is fixedly connected with the rear sealing roller, the first rack and the second rack are respectively meshed with the upper part and the lower part of the gear, and the first servo motor drives the front sealing roller and the rear sealing roller to be close to or far away from each other through the first ball screw assembly and the gear rack assembly in sequence to realize strip package transverse sealing. The utility model discloses heat-seal operation job stabilization nature is good, and the heat-seal is fast, and is efficient, and the controllability is good, avoids the heat-seal insecure to air in accessible time cooling and the discharge strip package.

Description

Servo horizontal sealing mechanism for single-row strip packages

Technical Field

The utility model relates to a equipment for packing technical field especially relates to a servo horizontal sealing mechanism of single-row strip package.

Background

The strip bag can be used for various blocky, powdery and liquid articles, such as coffee, medicinal powder, seasonings, plasticine and the like, and the strip bag needs to be heat-sealed at the upper part and the lower part of a strip package, so a corresponding transverse sealing mechanism is arranged on a strip packaging machine. Most of the existing strip package transverse sealing mechanisms are used for simultaneously performing heat sealing on multiple rows of strip packages, the structure is complex, the implementation is difficult, more air cylinders are adopted for driving the transverse sealing of a single row of strip packages, and the phenomenon of weak heat sealing is often caused due to unstable air pressure of the air cylinders, so that more defective products are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming of above-mentioned prior art, providing a move stable, violently seal effect height, efficient single-row strip package servo violently seal mechanism.

The utility model discloses a realize through following technical scheme:

a single-row strip pack servo transverse sealing mechanism comprises a lifting assembly, a transverse sealing rack, a transverse sealing driving assembly, a front sealing roller and a rear sealing roller, wherein the transverse sealing rack is arranged on the lifting assembly; the transverse sealing driving assembly comprises a first servo motor, a first ball screw assembly and a rack and pinion assembly, the first ball screw assembly comprises a first screw and a first nut in threaded connection with the first screw, the first screw is arranged on the transverse sealing rack along the front-back direction of the transverse sealing rack, the first servo motor is in driving connection with the first screw, and the first servo motor drives the first nut to move back and forth through the first screw; the first nut is connected with the gear rack assembly, the front sealing roller and the rear sealing roller are connected with the gear rack assembly respectively, the front and rear moving of the first nut drives the front sealing roller and the rear sealing roller to be close to or far away from each other through the gear rack assembly, and therefore the purpose of transversely sealing a strip pack between the front sealing roller and the rear sealing roller is achieved.

Furthermore, the gear rack assembly comprises gears, a first rack and a second rack, the two first racks are respectively and oppositely arranged on the left side and the right side of the front sealing roller, the two second racks are respectively and oppositely arranged on the left side and the right side of the rear sealing roller, the two gears are respectively and rotatably arranged on the left inner side and the right inner side of the transverse sealing rack, a rotating shaft of the gears is perpendicular to the left side and the right side of the transverse sealing rack, the first rack is fixedly connected with a first nut, the first rack and the second rack are respectively meshed with the upper part and the lower part of the gears, the front sealing roller and the first rack are driven to move back and forth by the back and forth of the first nut, and the second rack and the rear sealing roller are driven to move back and forth by the first rack through the gears, so that the front sealing roller and the rear sealing roller are close to or far away from each other.

Further, the front sealing roller comprises a front push plate, a front transverse sealing heating pipe, a front transverse sealing die frame, a front heat sealing plate and a front exhaust plate, the front push plate is fixedly connected with a first nut through a press block, two first racks are fixed on two sides of the front push plate, the front transverse sealing die frame is fixed in the middle of the front push plate, the front heat sealing plate is arranged at the front end of the front transverse sealing die frame, the front transverse sealing heating pipe is connected to the front transverse sealing die frame and used for heating the front transverse sealing die frame and the front heat sealing plate, and the front exhaust plate is fixed at the bottom of the front push plate and used for exhausting partial air in the strip pack when the strip pack is transversely sealed.

Furthermore, the front sealing roller also comprises a front air blowing pipe, a front heat insulation plate and a front thermocouple, wherein one end of the front air blowing pipe is connected with an air source through a quick-change connector, and the other end of the front air blowing pipe extends to the front exhaust plate and is used for air blowing and cooling the transversely sealed seal; the front heat insulation plate is arranged between the front push plate and the front transverse sealing die frame and is used for heat insulation; the front thermocouple is arranged on the front transverse sealing die frame and used for measuring temperature.

Further, the back seal roller includes that back push pedal, back violently seal heating pipe, back violently seal mould frame, back silica gel aluminum plate and back air discharge plate, two the second rack fix the both sides of back push pedal, back violently seals the mould frame and fixes the centre of back push pedal, back silica gel aluminum plate sets up the front end of back violently sealing the mould frame, back violently seals the heating pipe and connects on the back violently seals the mould frame for horizontal mould frame and back silica gel aluminum plate after the heating, the back air discharge plate is fixed the bottom of back push pedal for the strip package is horizontal when sealing the interior part air of discharge strip package.

Furthermore, the rear sealing roller also comprises a rear air blowing pipe, a rear heat insulation plate and a rear thermocouple, wherein one end of the rear air blowing pipe is connected with an air source through a quick-change connector, and the other end of the rear air blowing pipe extends to a rear exhaust plate and is used for blowing and cooling the transversely sealed seal; the rear heat insulation plate is arranged between the rear push plate and the rear transverse sealing die frame and is used for heat insulation; the rear thermocouple is arranged on the rear transverse sealing die frame and used for measuring temperature.

Furthermore, the horizontal sealing driving assembly further comprises a driving pulley, a driven pulley and a synchronous belt, the first servo motor is arranged on the horizontal sealing rack, the driving pulley is in driving connection with an output shaft of the first servo motor, the driven pulley is connected with the driving pulley through the synchronous belt, the first lead screw is in driving connection with the driven pulley, and the first servo motor drives the first lead screw to rotate sequentially through the driving pulley, the synchronous belt and the driven pulley.

Further, the transverse sealing driving assembly further comprises a guide rod, the guide rod is arranged on the transverse sealing rack and is parallel to the first screw rod, and the front sealing roller and the rear sealing roller respectively penetrate through the guide rod and can move back and forth along the guide rod. The front sealing roller and the rear sealing roller are respectively provided with a linear bearing and then are connected with the guide rod through the linear bearings.

Further, the lifting assembly comprises a mounting plate, a second servo motor, a second ball screw assembly, a slide rail and a slide block, the slide rail is vertically arranged, the second ball screw assembly comprises a second screw and a second nut, the second servo motor and the second screw are arranged on the mounting plate, the second servo motor is in driving connection with the second screw, the second nut is in threaded connection with the second screw, the transverse sealing rack is fixedly connected with the second nut, the slide block is arranged on the transverse sealing rack, the transverse sealing rack is connected onto the slide rail through the slide block, and the second servo motor sequentially drives the transverse sealing rack to move up and down along the slide rail through the second screw and the second nut.

Furthermore, the lower end of the slide rail is provided with a limiting block for limiting the downward movement of the transverse sealing rack; a drag chain is arranged beside the slide rail, is connected with the transverse sealing rack and is used for limiting the up-and-down movement of the transverse sealing rack; an electric eye support is further arranged beside the lifting component, and an electric eye is arranged on the electric eye support and used for detecting color codes on the strip pack so as to position the strip pack.

The utility model discloses a setting is driven with the horizontal seal of first servo motor, first ball screw subassembly and gear rack subassembly as the main part, and servo motor passes through synchronous pulley drive ball screw, and ball screw drive gear rack subassembly, the gear rack subassembly drives the form that front seal roller and back seal roller are close to relatively or keep away from and realize the horizontal seal of strip package, compare in the mode of cylinder drive, heat-seal operation stability is good, can avoid the heat-seal insecure because of cylinder atmospheric pressure unstability leads to, and the heat-seal is fast, and is efficient, and regulation controllability is good; the arrangement of the gear rack, the guide rod and other parts ensures that the front sealing roller and the rear sealing roller can stably and synchronously run, and the heat sealing effect is good; the setting of air discharge plate, gas blow pipe, lifting unit makes can cooperate other links of strip package production to realize violently sealing strip package upper and lower extreme respectively to the air in the strip package is discharged during the heat-seal, avoids the air to be heated the influence to the heat-seal effect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 isbase:Sub>A schematic sectional view taken along the directionbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a schematic structural diagram of a rack and pinion assembly according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of the front seal roller in the embodiment of the present invention.

Fig. 6 is a schematic side view of the front seal roller according to the embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a front seal roller according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of the back seal roller in the embodiment of the present invention.

Fig. 9 is a schematic side view of the front seal roller according to the embodiment of the present invention.

Fig. 10 is a schematic cross-sectional view of a portion of a cross-sealing driving assembly according to an embodiment of the present invention.

Fig. 11 is a schematic structural view of the lifting assembly according to an embodiment of the present invention.

Reference numerals: 1-transversely sealing the frame; 2-transverse sealing driving component; 3-front sealing roller; 4-back roll sealing; 5-a lifting assembly; 6-strip bag; 11-a front plate; 12-a back plate; 13-side plate; 14-a shield; 21-a first servo motor; 22-a driving pulley; 23-a synchronous belt; 24-a driven pulley; 25-a first lead screw; 26-a first nut; 27-a rack and pinion assembly; 271-a first rack; 272-gear; 273-second rack; 274-guide bar; 31-front push plate; 311-front linear bearing; 32-briquetting; 33-front heat insulation board; 34-front transverse sealing mould frame; 35-front heat seal board; 36-front thermocouple; 37-front transverse sealing the heating tube; 38-front exhaust panel; 391-a front blowing tube; 392-quick change couplings; 393-a front mounting plate; 394-front blowing pipe fixing seat; 41-rear push plate; 411-rear linear bearing; 42-rear heat insulation plate; 43-transversely sealing the die frame; 44-rear silica gel aluminum plate; 45-rear thermocouple; 46-transversely sealing the heating pipe after the heating; 47-rear exhaust plate; 481-post-insufflation tube; 482-rear blowing pipe fixing seat; 483-rear mounting plate; 4831-slotted holes; 50-a slide block; 51-a second servo motor; 52-second lead screw; 53-a second nut; 54-a slide rail; 55-a limiting block; 56-drag chain; 57-a mounting plate; 58-electric eye support; 59-electric eye.

Detailed Description

A single-row strip-pack servo transverse sealing mechanism, as shown in fig. 1 to 4, comprising a lifting assembly 5, a transverse sealing frame 1, a transverse sealing driving assembly 2, a front sealing roller 3 and a rear sealing roller 4, in this embodiment, the transverse sealing frame 1 comprises a front plate 11, a rear plate 12 and a left side plate and a right side plate 13, the transverse sealing frame 1 (through the rear plate 12) is arranged on the lifting assembly 5, the lifting assembly 5 drives the transverse sealing frame 1 and the transverse sealing driving assembly 2, the front sealing roller 3 and the rear sealing roller 4 which are arranged on the transverse sealing frame 1 to move up and down, the front sealing roller 3 is arranged on the front side of the transverse sealing frame 1, and the rear sealing roller 4 is arranged on the rear side of the transverse sealing frame 1; the transverse sealing driving assembly 2 comprises a first servo motor 21, a first ball screw assembly and a rack and pinion assembly 27, the first ball screw assembly comprises a first screw 25 and a first nut 26 screwed on the first screw 25, the first screw 25 is arranged on the transverse sealing rack 1 along the front-back direction of the transverse sealing rack 1, the first servo motor 21 is in driving connection with the first screw 25, and the first servo motor 21 drives the first nut 26 to move back and forth through the first screw 25; the first nut 26 is connected with the gear rack assembly 27, the front sealing roller 3 and the rear sealing roller 4 are respectively connected with the gear rack assembly 27, and the front sealing roller 3 and the rear sealing roller 4 are driven by the gear rack assembly 27 to move back and forth to be close to or far away from each other, so that the purpose of transversely sealing the strip pack 6 between the front sealing roller 3 and the rear sealing roller 4 is achieved. The lifting component 5 drives the transverse sealing mechanism to lift and move between different work stations, the strip bag 6 is pulled downwards, and the transverse sealing mechanism is driven to heat seal the upper and lower seals of the strip bag.

The rack and pinion assembly 27 functions to translate the back and forth movement of the first nut 26 on the first ball screw assembly into relative movement of the front and rear seal rolls 3 and 4 toward and away from each other. In one embodiment, as shown in fig. 3 and 4, in this embodiment, the gear rack assembly 27 includes a gear 272, first gear racks 271 and second gear racks 273, the two first gear racks 271 are respectively disposed on the left and right sides of the front sealing roller 3, the two second gear racks 273 are respectively disposed on the left and right sides of the rear sealing roller 4, the two gear racks 272 are respectively rotatably mounted on the left and right inner side surfaces (left and right side plates 13) of the horizontal sealing frame 1, the rotation shaft of the gear 272 is perpendicular to the left and right side surfaces (left and right side plates 13) of the horizontal sealing frame 1, the first rack 271 is fixedly connected with the first nut 26, the first rack 271 and the second rack 273 are respectively meshed with the upper part and the lower part of the gear 272, namely the first rack 271 is meshed with the gear teeth of the lower part of the gear 272, the second rack 273 is meshed with the gear teeth of the upper part of the gear 272, or vice versa, the front sealing roller 3 and the first rack 271 are driven by the front and back movement of the first nut 26, the second rack 273 and the back sealing roller 4 are driven by the first rack 271 through the gear 272 to move back and forth, so that the front sealing roller 3 and the back sealing roller 4 are close to or far away from each other, the clamping strip pack 6 is heat-sealed when the clamping strip pack is close to each other, and the strip pack 6 is released when the clamping strip pack is far away from each other.

In this embodiment, as shown in fig. 5 to 7, the front sealing roller 3 includes a front pushing plate 31, a front transverse sealing heating pipe 37, a front transverse sealing mold frame 34, a front heat sealing plate 35, a front exhaust plate 38, a front blowing pipe 391, a front heat insulation plate 33, and a front thermocouple 36, the front pushing plate 31 is fixedly connected to the first nut 26 through a pressing block 32, in this embodiment, there are two pressing blocks 32 disposed above and at the bottom of the front pushing plate 31, and the pressing block 32 connects the front pushing plate 31 and the first nut 26.

The two first racks 271 are fixed on two sides of the front push plate 31, the front transverse sealing mold frame 34 is fixed in the middle of the front push plate 31, and the front heat insulation plate 33 is arranged between the front push plate 31 and the front transverse sealing mold frame 34 and used for heat insulation; the front heat-sealing plate 35 is arranged at the front end of the front transverse sealing die frame 34, the heat-sealing position of the strip pack 6 is directly contacted with the front heat-sealing plate 35, the front heat-sealing plate can be diamond reticulate patterns, and the front transverse sealing heating pipe 37 is connected to the front transverse sealing die frame 34 and used for heating the front transverse sealing die frame 34 and the front heat-sealing plate 35; the front thermocouple 36 is arranged on the front transverse sealing mould frame 34 and is used for measuring temperature; the front exhaust plate 38 is fixed at the bottom of the front push plate 31 and is used for exhausting partial air in the strip pack 6 when the strip pack is transversely sealed; one end of the front blowing pipe 391 is connected with an air source through a quick-change connector 392, and the other end of the front blowing pipe 391 extends to the front exhaust plate 38 and is used for blowing and cooling the seal of the transverse seal, so that the seal is hardened, and the cutter process at the rear end is convenient to cut off more easily.

In this embodiment, the front blowing pipe 391 is fixed on the front blowing pipe fixing seat 394, the front blowing pipe fixing seat 394 is installed on the front installation plate 393, a vertical long slot is formed in the front installation plate 393, the front blowing pipe fixing seat 394 is fixedly connected with the front installation plate 393 through the long slot, and the installation height of the front blowing pipe 391 is adjusted through the long slot.

In this embodiment, as shown in fig. 8 and 9, the rear sealing roller 4 includes a rear pushing plate 41, a rear transverse sealing heating pipe 46, a rear transverse sealing mold frame 43, a rear silica gel aluminum plate 44, a rear exhaust plate 47, a rear blowing pipe 481, a rear heat insulating plate 42 and a rear thermocouple 45, two second racks 273 are fixed on two sides of the rear pushing plate 41, the rear transverse sealing mold frame 43 is fixed in the middle of the rear pushing plate 41, and the rear heat insulating plate 42 is disposed between the rear pushing plate 41 and the rear transverse sealing mold frame 43 for heat insulation; the rear silica gel aluminum plate 44 is arranged at the front end of the rear transverse sealing die frame 43, the heat sealing position of the strip pack 6 is in direct contact with the rear silica gel aluminum plate 44, the heat sealing position of the strip pack 6 is located between the front heat sealing plate 35 and the rear silica gel aluminum plate 44, the rear transverse sealing heating pipe 46 is connected to the rear transverse sealing die frame 43 and used for heating the rear transverse sealing die frame 43 and the rear silica gel aluminum plate 44, and the rear thermocouple 45 is arranged on the rear transverse sealing die frame 43 and used for measuring temperature; the rear exhaust plate 47 is fixed at the bottom of the rear push plate 41 and used for exhausting part of air in the strip pack 6 when the strip pack is transversely sealed, one end of the rear air blowing pipe 481 is connected with an air source through a quick-change connector, and the other end of the rear air blowing pipe extends to the rear exhaust plate 47 and is used for blowing and cooling the transversely sealed seal.

In this embodiment, the rear blowing pipe 481 is fixed on the rear blowing pipe fixing seat 482, the rear blowing pipe fixing seat 482 is installed on the rear mounting plate 483, the rear mounting plate 483 is provided with a vertical long slot 4831, the rear blowing pipe fixing seat 482 is fixedly connected with the rear mounting plate 483 through the long slot 4831, and the mounting height of the rear blowing pipe 481 is adjusted through the long slot 4831.

There are various driving connection manners of the first servo motor 21 and the first lead screw 25, for example, the first servo motor 21 is directly connected with the first lead screw 25 through a coupling or the like, or the first servo motor 21 is connected with the first lead screw 25 through a gear 272 or a sprocket or the like. As one embodiment, as shown in fig. 2 and 10, the transverse sealing driving assembly 2 is drivingly connected to a first lead screw 25 by means of a synchronous pulley, and the synchronous pulley includes a driving pulley 22, a driven pulley 24 and a synchronous belt 23, in this embodiment, the first servo motor 21 is disposed on the front plate 11 of the transverse sealing frame 1, the driving pulley 22 is drivingly connected to an output shaft of the first servo motor 21, the driven pulley 24 is connected to the driving pulley 22 by the synchronous belt 23, the first lead screw 25 is drivingly connected to the driven pulley 24, and the first servo motor 21 sequentially drives the first lead screw 25 to rotate by the driving pulley 22, the synchronous belt 23 and the driven pulley 24. The transverse sealing machine frame 1 is also provided with two guide rods 274 along the front-back direction, the guide rods 274 are parallel to the first screw rod 25, the front push plate 31 on the front sealing roller 3 and the rear push plate 41 on the rear sealing roller 4 are both provided with through holes matched with the guide rods 274, linear bearings (a front linear bearing 311 and a rear linear bearing 411 respectively) are installed in the through holes, the front push plate 31 and the rear push plate 41 are movably connected with the guide rods 274 through the front linear bearing 311 and the rear linear bearing 411 respectively, the first ball screw rod assembly drives the front push plate 31 to move back and forth along the guide rods 274, and the front push plate 31 drives the rear push plate 41 to move back and forth along the guide rods 274 through the gear rack assembly 27. The synchronous belt 23 is also provided with a shield 14.

The lifting assembly 5 may have an existing structure and form, in this embodiment, as shown in fig. 3 and 11, the lifting assembly 5 includes a mounting plate 57, a second servo motor 51, a second ball screw assembly, a slide rail 54 and a slide block 50, two slide rails 54 are vertically disposed, the second ball screw assembly includes a second screw 52 and a second nut 53, the second servo motor 51 and the second screw 52 are disposed on the mounting plate 57, the second servo motor 51 is drivingly connected to the second screw 52 through a coupling, the second nut 53 is screwed onto the second screw 52, the rear plate 12 of the transverse sealing frame 1 is fixedly connected to the second nut 53, the slide block 50 is disposed on the rear plate 12 of the transverse sealing frame 1, the transverse sealing frame 1 is disposed on the slide rail 54 through the cooperation between the slide block 50 and the slide rail 54, and the second servo motor 51 sequentially drives the transverse sealing frame 1 to move up and down along the slide rail 54 through the second screw 52 and the second nut 53. The lower end of the slide rail 54 is provided with a limiting block 55 for limiting the downward movement of the transverse sealing rack 1; a drag chain 56 is arranged beside the slide rail 54, and the drag chain 56 is connected with the left side plate 13 and the right side plate 13 of the transverse sealing rack 1 and used for limiting the up-down movement of the transverse sealing rack 1; an electric eye bracket 58 is further arranged beside the lifting component 5, and an electric eye 59 is arranged on the electric eye bracket 58 and used for detecting color codes on the strip pack to position so as to control the ascending or descending stroke of the lifting component 5. The color blocks are printed on the packaging film, the electric eye 59 judges the moving distance by detecting the color codes on the strip-shaped packages, and the length of the strip-shaped packages pulled by the transverse seal is fed back to the second servo motor 51 by the electric eye 59 based on the color codes.

The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.

Claims (10)

1. A single-row strip pack servo transverse sealing mechanism is characterized by comprising a lifting assembly, a transverse sealing rack, a transverse sealing driving assembly, a front sealing roller and a rear sealing roller, wherein the transverse sealing rack is arranged on the lifting assembly; the transverse sealing driving assembly comprises a first servo motor, a first ball screw assembly and a rack and pinion assembly, the first ball screw assembly comprises a first screw and a first nut in threaded connection with the first screw, the first screw is arranged on the transverse sealing rack along the front-back direction of the transverse sealing rack, the first servo motor is in driving connection with the first screw, and the first servo motor drives the first nut to move back and forth through the first screw; the first nut is connected with the gear rack assembly, the front sealing roller and the rear sealing roller are connected with the gear rack assembly respectively, the front and rear moving of the first nut drives the front sealing roller and the rear sealing roller to be close to or far away from each other through the gear rack assembly, and therefore strip packages between the front sealing roller and the rear sealing roller are transversely sealed.

2. The single-row strip pack servo transverse sealing mechanism as claimed in claim 1, wherein the gear and rack assembly comprises gears, a first rack and a second rack, the two first racks are respectively and oppositely arranged on the left side and the right side of the front sealing roller, the two second racks are respectively and oppositely arranged on the left side and the right side of the rear sealing roller, the two gears are respectively and rotatably mounted on the left inner side and the right inner side of the transverse sealing rack, a rotating shaft of the gear is perpendicular to the left side and the right side of the transverse sealing rack, the first rack is fixedly connected with a first nut, the first rack and the second rack are respectively meshed with the upper part and the lower part of the gear, the front sealing roller and the first rack are driven by the first nut to move back and forth, and the first rack drives the second rack and the rear sealing roller to move back and forth by the gears, so that the front sealing roller and the rear sealing roller are close to or far away from each other.

3. The single-row strip pack servo transverse sealing mechanism according to claim 2, wherein the front sealing roller comprises a front push plate, a front transverse sealing heating pipe, a front transverse sealing mold frame, a front heat sealing plate and a front exhaust plate, the front push plate is fixedly connected with a first nut through a pressing block, two first racks are fixed on two sides of the front push plate, the front transverse sealing mold frame is fixed in the middle of the front push plate, the front heat sealing plate is arranged at the front end of the front transverse sealing mold frame, and the front transverse sealing heating pipe is connected to the front transverse sealing mold frame and used for heating the front transverse sealing mold frame and the front heat sealing plate; the front exhaust plate is fixed at the bottom of the front push plate and used for exhausting partial air in the strip pack when the strip pack is transversely sealed.

4. The single-row strip pack servo transverse sealing mechanism according to claim 3, wherein the front sealing roller further comprises a front blowing pipe, a front heat insulation plate and a front thermocouple, one end of the front blowing pipe is connected with a gas source through a quick-change connector, and the other end of the front blowing pipe extends to a front exhaust plate and is used for blowing and cooling a seal of the transverse seal; the front heat insulation plate is arranged between the front push plate and the front transverse sealing die frame and is used for heat insulation; the front thermocouple is arranged on the front transverse sealing die frame and used for measuring temperature.

5. The single-row strip-pack servo transverse sealing mechanism according to claim 2, wherein the rear sealing roller comprises a rear push plate, a rear transverse sealing heating pipe, a rear transverse sealing mold frame, a rear silica gel aluminum plate and a rear exhaust plate, the two second racks are fixed on two sides of the rear push plate, the rear transverse sealing mold frame is fixed in the middle of the rear push plate, the rear silica gel aluminum plate is arranged at the front end of the rear transverse sealing mold frame, and the rear transverse sealing heating pipe is connected to the rear transverse sealing mold frame and used for heating the rear transverse sealing mold frame and the rear silica gel aluminum plate; the rear exhaust plate is fixed at the bottom of the rear push plate and used for exhausting part of air in the strip pack when the strip pack is transversely sealed.

6. The single-row strip pack servo transverse sealing mechanism according to claim 5, wherein the rear sealing roller further comprises a rear air blowing pipe, a rear heat insulation plate and a rear thermocouple, one end of the rear air blowing pipe is connected with an air source through a quick-change connector, and the other end of the rear air blowing pipe extends to a rear exhaust plate and is used for air blowing and cooling a seal of the transverse seal; the rear heat insulation plate is arranged between the rear push plate and the rear transverse sealing die frame and is used for heat insulation; the rear thermocouple is arranged on the rear transverse sealing die frame and used for measuring temperature.

7. The single-row strip pack servo transverse sealing mechanism according to claim 1 or 2, wherein the transverse sealing driving assembly further comprises a driving pulley, a driven pulley and a synchronous belt, the first servo motor is arranged on the transverse sealing rack, the driving pulley is in driving connection with an output shaft of the first servo motor, the driven pulley is connected with the driving pulley through the synchronous belt, the first lead screw is in driving connection with the driven pulley, and the first servo motor drives the first lead screw to rotate sequentially through the driving pulley, the synchronous belt and the driven pulley.

8. The single-row strip pack servo transverse sealing mechanism as claimed in claim 1 or 2, wherein the transverse sealing driving assembly further comprises a guide rod, the guide rod is arranged on the transverse sealing rack and is parallel to the first screw rod, and the front sealing roller and the rear sealing roller are respectively arranged on the guide rod in a penetrating manner through linear bearings and can move back and forth along the guide rod.

9. The single-row strip pack servo cross sealing mechanism according to claim 1, wherein the lifting assembly comprises a mounting plate, a second servo motor, a second ball screw assembly, a slide rail and a slide block, the two slide rails are vertically arranged, the second ball screw assembly comprises a second screw and a second nut, the second servo motor and the second screw are arranged on the mounting plate, the second servo motor is in driving connection with the second screw, the second nut is in threaded connection with the second screw, the cross sealing rack is fixedly connected with the second nut, the slide block is arranged on the cross sealing rack, the cross sealing rack is connected to the slide rail through the slide block, and the second servo motor drives the cross sealing rack to move up and down along the slide rail sequentially through the second screw and the second nut.

10. The single-row strip pack servo transverse sealing mechanism according to claim 9, wherein a limiting block is arranged at the lower end of the sliding rail and used for limiting the downward movement of the transverse sealing rack; a drag chain is arranged beside the slide rail, is connected with the transverse sealing rack and is used for limiting the vertical movement of the transverse sealing rack; an electric eye support is further arranged beside the lifting assembly, and an electric eye is arranged on the electric eye support and used for detecting color codes on the strip bag.

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