CN215285529U

CN215285529U - Anti-scald vacuum packaging machine for food processing

Info

Publication number: CN215285529U
Application number: CN202121880695.9U
Authority: CN
Inventors: 陈可欣
Original assignee: Individual
Current assignee: Emin Taihe Fuhua Bean Products Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-24
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a scald preventing type vacuum packaging machine for food processing, including workstation, vacuum pump, electric push rod, hoist mechanism, the workstation lower part is equipped with four supporting legs, and the supporting leg lower part is equipped with the universal wheel, and workstation upper portion both sides are equipped with the support, and the relative both sides of support all are equipped with spout one number one, and support upper portion is equipped with electric push rod, and electric push rod lower extreme is equipped with the connecting plate. Has the advantages that: the electric push rod is adopted to drive the sealing cover to move downwards, and the vacuum box is obliquely arranged at the bottom, so that the vacuum bag can be automatically transferred and collected, the hidden danger of scalding caused by manual operation is prevented, and the cold air box and the exhaust pipe are arranged to effectively cool the seal of the vacuum bag; in addition, the collecting efficiency of the vacuum bag can be greatly improved by arranging the supporting plate and the electric telescopic rod at the lower part of the collecting box; still be equipped with screw rod and slider and drive the removal of heating strip, can heat the work of sealing to the vacuum bag of not unidimensional, further promoted the device's practical value.

Description

Anti-scald vacuum packaging machine for food processing

Technical Field

The utility model relates to a food processing equipment field especially relates to a scald preventing type vacuum packaging machine for food processing.

Background

Food processing is the process of passing eatable items through certain procedures, resulting in changes such as better eating or more beneficial. The method is characterized in that raw grains or other raw materials are subjected to artificial treatment process to form a novel directly edible product, the process is food processing, for example, wheat is subjected to grinding, screening, adding, stirring, forming and drying to form biscuits, the biscuit belongs to the process of food processing, and the food processing is a professional technology; in the food processing process, there is a food package mode for vacuum packaging, and this needs use vacuum packaging machine, and current vacuum packaging machine can produce higher temperature when sealing food heating, causes the consequence of scald to operating personnel easily, and some packagine machines can only heat to the wrapping bag of a size and seal work, have great limitation, in addition, because the unreasonable wrapping bag collection efficiency that also can lead to of packagine machine design is too low, and influence the production progress.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scald preventing type vacuum packaging machine for food processing in order to solve the above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

an anti-scald vacuum packaging machine for food processing comprises a workbench, a vacuum pump, an electric push rod and a lifting mechanism, wherein the lower part of the workbench is provided with four supporting legs, universal wheels are arranged on the lower parts of the supporting legs, supports are arranged on two sides of the upper part of the workbench, one sliding groove is formed in each of two opposite sides of each support, the electric push rod is arranged on the upper part of each support, a connecting plate is arranged at the lower end of each electric push rod, two sides of each connecting plate are arranged in the corresponding sliding groove, a sealing cover is arranged on the lower part of each connecting plate, a transparent window is arranged in the middle of each sealing cover, a sealing gasket is arranged on the lower part of each sealing cover, a vacuum box is arranged below each sealing cover, the bottom surface inside the vacuum box is designed in an inclined mode and is arranged on the upper part of the workbench, a second sliding groove is obliquely arranged in the front part inside the vacuum box, the second sliding groove is parallel to the lower surface of the vacuum box, the rear side of the interior of the vacuum box is provided with a screw rod, one end of the screw rod penetrates through one side of the vacuum box and is connected with a motor, the lower part of the motor is provided with a support plate, the support plate is arranged on one side of the exterior of the vacuum box, the other end of the screw rod is arranged on the other side of the interior of the vacuum box, the outer wall of the screw rod is provided with a slide block, the front side of the slide block is provided with a heating strip, the front side of the heating strip is arranged in the second sliding groove, the front side of the vacuum box is provided with the vacuum pump, the vacuum pump is arranged on the upper part of the workbench, the upper part of the vacuum pump is provided with an exhaust pipeline, the front side of the vacuum pump is provided with an air pipeline, the upper part of the air pipeline is provided with a valve, one side of the vacuum pump is provided with a conduit, the other end of the conduit is connected with the front side of the vacuum box, one side of the vacuum box is provided with a feed opening, the exterior of the feed opening is connected with a collecting box, the collecting box penetrates through the workbench and is arranged on the lower part of the workbench, the upper portion of the collecting box is tightly attached to one side of the feed opening, a gate is arranged, the lifting mechanism is arranged on one side of the gate, an outlet pipeline is arranged on one side of the lower portion of the collecting box, a supporting plate is arranged on the lower portion of the collecting box, an electric telescopic rod is arranged on the lower portion of the supporting plate, the lower end of the electric telescopic rod is arranged at the bottom of the collecting box, an exhaust pipe is arranged on the other side of the collecting box, the other side of the exhaust pipe is connected with a cold air pipe, the other end of the cold air pipe is connected with a cold air box, a fixing frame is arranged on the lower portion of the cold air box, and the fixing frame is arranged on the lower portion of the workbench.

In order to further improve the packaging efficiency, the lifting mechanism comprises a lifting plate which is arranged on one side of the gate.

In order to further improve the packaging efficiency, the lifting mechanism comprises a support plate and a hydraulic rod, the support plate is arranged on one side of the gate, the hydraulic rod is arranged on the lower portion of the support plate, and the hydraulic rod is arranged on the upper portion of the collecting box.

In order to further improve packing efficiency, the workstation with the supporting leg welding, the supporting leg with the universal wheel passes through the bolt fastening, the workstation with the support passes through the fix with screw, the support with the connection is inlayed to a spout, the support with the electricity push rod passes through the fix with screw, the electricity push rod with the connecting plate passes through the fix with screw, the connecting plate with spout sliding connection, the connecting plate with sealed lid passes through the fix with screw, sealed lid with the transparent window is inlayed and is connected, sealed lid with sealed pad passes through the fix with screw.

In order to further improve the packing efficiency, the vacuum box with the workstation passes through the bolt fastening, the vacuum box with No. two spouts are inlayed and are connected, the screw rod run through in the vacuum box, the screw rod with the motor passes through the shaft coupling fixed, the motor with the backup pad passes through the fix with screw, the backup pad with the vacuum box welding, the screw rod with the vacuum box passes through the bearing and connects, the screw rod with the slider passes through threaded connection, the slider with the heating strip welding.

In order to further improve the packaging efficiency, the heating strip is connected with the second sliding groove in a sliding mode, the vacuum pump is fixed with the workbench through screws, the vacuum pump is connected with the exhaust pipeline through threads, the vacuum pump is connected with the vent pipeline through threads, the vent pipeline is welded with the valve, the vacuum pump is connected with the guide pipe through threads, the guide pipe is connected with the vacuum box through threads, the vacuum box is connected with the feed opening in an embedded mode, the feed opening is connected with the collecting box in an embedded mode, and the collecting box penetrates through the workbench.

In order to further improve the packaging efficiency, the collecting box is connected with the gate in a sliding mode, the gate is welded with the lifting mechanism, the collecting box is welded with the outlet pipeline, the collecting box is connected with the supporting plate in a sliding mode, the supporting plate is welded with the electric telescopic rod, the electric telescopic rod is fixed with the collecting box through screws, the collecting box is penetrated through by the exhaust pipe, the exhaust pipe is connected with the cold air pipe through threads, the cold air pipe is connected with the cold air box through threads, the cold air box is welded with the fixing frame, and the fixing frame is fixed with the workbench through bolts.

In order to further improve the packaging efficiency, the lifting plate is welded with the gate.

In order to further improve the packaging efficiency, the support plate is welded with the gate, the support plate is welded with the hydraulic rod, and the hydraulic rod is fixed with the collecting box through screws.

The beneficial effects of the utility model reside in that: the electric push rod is adopted to drive the sealing cover to move downwards, and the vacuum box is obliquely arranged at the bottom, so that the vacuum bag can be automatically transferred and collected, the hidden danger of scalding caused by manual operation is prevented, and the cold air box and the exhaust pipe are arranged to effectively cool the seal of the vacuum bag; in addition, the collecting efficiency of the vacuum bag can be greatly improved by arranging the supporting plate and the electric telescopic rod at the lower part of the collecting box; still be equipped with screw rod and slider and drive the removal of heating strip, can heat the work of sealing to the vacuum bag of not unidimensional, further promoted the device's practical value.

Drawings

Fig. 1 is a perspective view of an embodiment 1 of the anti-scald vacuum packaging machine for food processing according to the present invention;

fig. 2 is a front view of an embodiment 1 of the anti-scald vacuum packaging machine for food processing according to the present invention;

fig. 3 is an axonometric view of an embodiment 1 of the anti-scald vacuum packaging machine for food processing according to the present invention;

fig. 4 is an enlarged view of the vacuum box structure of the anti-scald vacuum packaging machine for food processing in accordance with embodiment 1 of the present invention;

fig. 5 is a structure enlarged view of a lifting mechanism of embodiment 2 of the scald preventing type vacuum packaging machine for food processing.

The reference numerals are explained below: 1. a work table; 2. supporting legs; 3. a universal wheel; 4. a vacuum pump; 5. an air duct; 6. a valve; 7. an exhaust duct; 8. an air conditioning box; 9. a fixed mount; 10. a cold air pipe; 11. an exhaust duct; 12. an electric telescopic rod; 13. a collection box; 14. a support plate; 15. an outlet conduit; 16. a vacuum box; 17. a gate; 18. a feeding port; 19. a support; 20. a gasket; 21. a sealing cover; 22. a connecting plate; 23. a first chute; 24. a transparent window; 25. an electric push rod; 26. a motor; 27. a support plate; 28. a screw; 29. a slider; 30. heating the strip; 31. a second chute; 32. a lifting mechanism; 3211. lifting the plate; 3221. a support plate; 3222. a hydraulic lever; 33. a conduit.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-4, an anti-scald vacuum packaging machine for food processing comprises a workbench 1, a vacuum pump 4, an electric push rod 25 and a lifting mechanism 32, wherein four support legs 2 are arranged at the lower part of the workbench 1, universal wheels 3 are arranged at the lower parts of the support legs 2, supports 19 are arranged at two sides of the upper part of the workbench 1, a first sliding groove 23 is arranged at two opposite sides of each support 19, an electric push rod 25 is arranged at the upper part of each support 19, a connecting plate 22 is arranged at the lower end of each electric push rod 25, two sides of each connecting plate 22 are arranged in the corresponding first sliding groove 23, a sealing cover 21 is arranged at the lower part of each connecting plate 22, a transparent window 24 is arranged in the middle of each sealing cover 21, a sealing gasket 20 is arranged at the lower part of each sealing cover 21, a vacuum box 16 is arranged below each sealing cover 21, the bottom surface inside each vacuum box 16 is designed to be inclined and is arranged at the upper part of the workbench 1, a second sliding groove 31 is obliquely arranged at the front part inside the vacuum box 16, wherein the second sliding groove 31 is parallel to the lower surface of the vacuum box 16, a screw 28 is arranged at the rear side inside the vacuum box 16, one end of the screw 28 passes through one side of the vacuum box 16 and is connected with a motor 26, a support plate 27 is arranged at the lower part of the motor 26, the support plate 27 is arranged at one side outside the vacuum box 16, the other end of the screw 28 is arranged at the other side inside the vacuum box 16, a slide block 29 is arranged on the outer wall of the screw 28, a heating strip 30 is arranged at the front side of the slide block 29, the front side of the heating strip 30 is arranged in a second sliding groove 31, a vacuum pump 4 is arranged at the front side of the vacuum box 16, the vacuum pump 4 is arranged at the upper part of the workbench 1, an exhaust pipeline 7 is arranged at the upper part of the vacuum pump 4, an air vent pipeline 5 is arranged at the front side of the vacuum pump 4, a valve 6 is arranged at the upper part of the air vent pipeline 5, a guide pipe 33 is arranged at one side of the vacuum pump 4, the other end of the guide pipe 33 is connected with the front side of the vacuum box 16, a discharge port 18 is arranged at one side of the vacuum box 16, a collecting box 13 is connected with the outside the discharge port 18, and the collecting box 13 passes through the workbench 1 and is arranged at the lower part of the lower part thereof, wherein, the upper portion of the collecting box 13 is provided with a gate 17 close to one side of the feed opening 18, one side of the gate 17 is provided with a lifting mechanism 32, one side of the lower portion of the collecting box 13 is provided with an outlet pipeline 15, the lower portion of the collecting box 13 is provided with a supporting plate 14, the lower portion of the supporting plate 14 is provided with an electric telescopic rod 12, the lower end of the electric telescopic rod 12 is arranged at the bottom of the collecting box 13, the other side of the collecting box 13 is provided with an exhaust pipe 11, the other side of the exhaust pipe 11 is connected with a cold air pipe 10, the other end of the cold air pipe 10 is connected with a cold air box 8, the lower portion of the cold air box 8 is provided with a fixed frame 9, and the fixed frame 9 is arranged at the lower portion of the workbench 1.

In order to further improve the packaging efficiency, the lifting mechanism 32 comprises a lifting plate 3211, the lifting plate 3211 is arranged on one side of the gate 17; the workbench 1 is welded with the supporting legs 2, the supporting legs 2 are fixed with the universal wheels 3 through bolts, the workbench 1 is fixed with the supports 19 through screws, the supports 19 are connected with the first sliding groove 23 in an embedded mode, the supports 19 are fixed with the electric push rods 25 through screws, the electric push rods 25 are fixed with the connecting plate 22 through screws, the connecting plate 22 is connected with the first sliding groove 23 in a sliding mode, the connecting plate 22 is fixed with the sealing cover 21 through screws, the sealing cover 21 is connected with the transparent window 24 in an embedded mode, and the sealing cover 21 is fixed with the sealing gasket 20 through screws; the vacuum box 16 is fixed with the workbench 1 through bolts, the vacuum box 16 is connected with the second sliding groove 31 in an embedded mode, the screw 28 penetrates through the vacuum box 16, the screw 28 is fixed with the motor 26 through a coupler, the motor 26 is fixed with the supporting plate 27 through screws, the supporting plate 27 is welded with the vacuum box 16, the screw 28 is connected with the vacuum box 16 through a bearing, the screw 28 is connected with the sliding block 29 through threads, and the sliding block 29 is welded with the heating strip 30; the heating strip 30 is in sliding connection with the second sliding groove 31, the vacuum pump 4 is fixed with the workbench 1 through screws, the vacuum pump 4 is in threaded connection with the exhaust pipeline 7, the vacuum pump 4 is in threaded connection with the vent pipeline 5, the vent pipeline 5 is welded with the valve 6, the vacuum pump 4 is in threaded connection with the guide pipe 33, the guide pipe 33 is in threaded connection with the vacuum box 16, the vacuum box 16 is connected with the feed opening 18 in an embedded manner, the feed opening 18 is connected with the collecting box 13 in an embedded manner, and the collecting box 13 penetrates through the workbench 1; the collecting box 13 is connected with the gate 17 in a sliding mode, the gate 17 is welded with the lifting mechanism 32, the collecting box 13 is welded with the outlet pipeline 15, the collecting box 13 is connected with the supporting plate 14 in a sliding mode, the supporting plate 14 is welded with the electric telescopic rod 12, the electric telescopic rod 12 is fixed with the collecting box 13 through screws, the collecting box 13 is penetrated through the exhaust pipe 11, the exhaust pipe 11 is connected with the cold air pipe 10 through threads, the cold air pipe 10 is connected with the cold air box 8 through threads, the cold air box 8 is welded with the fixing frame 9, and the fixing frame 9 is fixed with the workbench 1 through bolts; the lift plate 3211 is welded to the shutter 17.

In the structure, the packaging bag with food is placed in the obliquely arranged vacuum box 16 with the seal upwards, the seal position does not contain food due to the action of the gravity of the food in the bag, at the moment, the electric push rod 25 is started to drive the connecting plate 22 to move downwards along the first sliding groove 23, the sealing cover 21 is further moved downwards to the upper part of the vacuum box 16 to seal the vacuum box, then the vacuum pump 4 is started to discharge the air in the vacuum box 16 from the exhaust pipeline 7 through the guide pipe 33, when the food bag in the vacuum box 16 is contracted and is in a vacuum state, the screw 28 is driven to rotate through the starting motor 26, the slide block 29 drives the heating strip 30 at the front side to move to the seal position of the vacuum packaging bag along the second sliding groove 31, and the heating strip 30 is started to generate heat to seal the vacuum packaging bag; after sealing, open valve 6, let in external atmosphere get into vacuum box 16 through vent pipe 5, realize the balance of inside and outside atmospheric pressure of vacuum box 16, the portable lifting and pulling board 3211 of reuse drives the gate 17 and rises, then the vacuum bag slides down to the layer board 14 of collecting box 13 lower part from the vacuum box 16 bottom of slope because of the effect of gravity, the accessible starts electric telescopic handle 12 this moment and drives layer board 14 and reciprocates and adjust the height of vacuum bag, make its higher position of sealing of temperature align with exhaust pipe 11, the rethread starts cold air box 8 and seals the vacuum bag with its inside air conditioning and seal the cooling by exhaust pipe 11 through cold air duct 10 discharge, finally, rethread starts electric telescopic handle 12 and drives the vacuum bag and send it out by outlet duct 15.

Example 2

As shown in fig. 5, the present embodiment is different from embodiment 1 in that:

the lifting mechanism 32 comprises a supporting plate 3221 and a hydraulic rod 3222, the supporting plate 3221 is arranged on one side of the gate 17, the hydraulic rod 3222 is arranged at the lower part of the supporting plate 3221, and the hydraulic rod 3222 is arranged at the upper part of the collecting box 13; the supporting plate 3221 is welded with the gate 17, the supporting plate 3221 is welded with the hydraulic rod 3222, and the hydraulic rod 3222 is fixed with the collecting box 13 through screws; after the sealing work of the vacuum bag is finished, the hydraulic rod 3222 is started to drive the support plate 3221 to move upwards, so that the gate 17 is opened, and then the vacuum bag slides from the bottom of the inclined vacuum box 16 to the supporting plate 14 at the lower part of the collecting box 13 under the action of gravity, so that the sealing work of the vacuum bag can be performed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a scald preventing type vacuum packaging machine for food processing which characterized in that: comprises a workbench (1), a vacuum pump (4), an electric push rod (25) and a lifting mechanism (32), wherein the lower part of the workbench (1) is provided with four supporting legs (2), the lower parts of the supporting legs (2) are provided with universal wheels (3), the two sides of the upper part of the workbench (1) are provided with supports (19), the two opposite sides of each support (19) are respectively provided with a first sliding groove (23), the upper part of each support (19) is provided with the electric push rod (25), the lower end of the electric push rod (25) is provided with a connecting plate (22), the two sides of each connecting plate (22) are respectively arranged in the first sliding grooves (23), the lower part of each connecting plate (22) is provided with a sealing cover (21), the middle of each sealing cover (21) is provided with a transparent window (24), the lower part of each sealing cover (21) is provided with a sealing gasket (20), a vacuum box (16) is arranged below each sealing cover (21), the inner bottom surface of each vacuum box (16) is designed in an inclined way and is arranged on the upper part of the workbench (1), the vacuum box (16) is internally provided with a second sliding groove (31) in a front inclined manner, wherein the second sliding groove (31) is parallel to the lower surface of the vacuum box (16), the rear side of the inside of the vacuum box (16) is provided with a screw rod (28), one end of the screw rod (28) penetrates through one side of the vacuum box (16) and is connected with a motor (26), the lower part of the motor (26) is provided with a support plate (27), the support plate (27) is arranged on one side of the outside of the vacuum box (16), the other end of the screw rod (28) is arranged on the other side of the inside of the vacuum box (16), the outer wall of the screw rod (28) is provided with a sliding block (29), the front side of the sliding block (29) is provided with a heating strip (30), the front side of the heating strip (30) is arranged in the second sliding groove (31), the front side of the vacuum box (16) is provided with the vacuum pump (4), and the vacuum pump (4) is arranged on the upper part of the workbench (1), the vacuum pump is characterized in that an exhaust pipeline (7) is arranged on the upper portion of the vacuum pump (4), an air duct (5) is arranged on the front side of the vacuum pump (4), a valve (6) is arranged on the upper portion of the air duct (5), a guide pipe (33) is arranged on one side of the vacuum pump (4), the other end of the guide pipe (33) is connected to the front side of the vacuum box (16), a feed opening (18) is arranged on one side of the vacuum box (16), a collecting box (13) is connected to the outer portion of the feed opening (18), the collecting box (13) penetrates through the workbench (1) and is arranged on the lower portion of the workbench, a gate (17) is arranged on one side of the feed opening (18) and is attached to the upper portion of the collecting box (13), a lifting mechanism (32) is arranged on one side of the gate (17), an outlet pipeline (15) is arranged on one side of the lower portion of the collecting box (13), and a supporting plate (14) is arranged on the lower portion of the collecting box (13), the utility model discloses a table top, including layer board (14), electric telescopic handle (12) lower extreme are established collecting box (13) bottom, collecting box (13) opposite side is equipped with exhaust pipe (11), exhaust pipe (11) opposite side is connected with cold air duct (10), the cold air duct (10) other end is connected with cold air box (8), cold air box (8) lower part is equipped with mount (9), mount (9) are established workstation (1) lower part.

2. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 1, wherein: the lifting mechanism (32) comprises a lifting plate (3211), and the lifting plate (3211) is arranged on one side of the gate (17).

3. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 1, wherein: the lifting mechanism (32) comprises a supporting plate (3221) and a hydraulic rod (3222), the supporting plate (3221) is arranged on one side of the gate (17), the hydraulic rod (3222) is arranged on the lower portion of the supporting plate (3221), and the hydraulic rod (3222) is arranged on the upper portion of the collecting box (13).

4. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 1, wherein: workstation (1) with supporting leg (2) welding, supporting leg (2) with universal wheel (3) pass through the bolt fastening, workstation (1) with support (19) pass through the fix with screw, support (19) with connection is inlayed to spout (23), support (19) with electric push rod (25) pass through the fix with screw, electric push rod (25) with connecting plate (22) pass through the fix with screw, connecting plate (22) with spout (23) sliding connection, connecting plate (22) with sealed lid (21) pass through the fix with screw, sealed lid (21) with transparent window (24) are inlayed and are connected, sealed lid (21) with sealed pad (20) pass through the fix with screw.

5. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 1, wherein: vacuum chamber (16) with workstation (1) passes through the bolt fastening, vacuum chamber (16) with connection is inlayed in No. two spout (31), screw rod (28) run through in vacuum chamber (16), screw rod (28) with motor (26) are fixed through the shaft coupling, motor (26) with backup pad (27) pass through the fix with screw, backup pad (27) with vacuum chamber (16) welding, screw rod (28) with vacuum chamber (16) pass through the bearing and connect, screw rod (28) with slider (29) pass through threaded connection, slider (29) with heating strip (30) welding.

6. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 1, wherein: heating strip (30) with No. two spout (31) sliding connection, vacuum pump (4) with workstation (1) passes through the fix with screw, vacuum pump (4) with exhaust duct (7) pass through threaded connection, vacuum pump (4) with vent pipe (5) pass through threaded connection, vent pipe (5) with valve (6) welding, vacuum pump (4) with pipe (33) pass through threaded connection, pipe (33) with vacuum box (16) pass through threaded connection, vacuum box (16) with feed opening (18) are inlayed and are connected, feed opening (18) with collecting box (13) are inlayed and are connected, collecting box (13) run through in workstation (1).

7. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 1, wherein: the collecting box (13) is connected with the gate (17) in a sliding mode, the gate (17) is welded with the lifting mechanism (32), the collecting box (13) is welded with the outlet pipeline (15), the collecting box (13) is connected with the supporting plate (14) in a sliding mode, the supporting plate (14) is welded with the electric telescopic rod (12), the electric telescopic rod (12) is fixed with the collecting box (13) through screws, the collecting box (13) is penetrated through by the exhaust pipe (11), the exhaust pipe (11) is connected with the cold air pipe (10) through threads, the cold air pipe (10) is connected with the cold air box (8) through threads, the cold air box (8) is welded with the fixing frame (9), and the fixing frame (9) is fixed with the workbench (1) through bolts.

8. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 2, wherein: the lifting plate (3211) is welded to the gate (17).

9. The scald-preventing type vacuum packaging machine for food processing as claimed in claim 3, wherein: the support plate (3221) is welded with the gate (17), the support plate (3221) is welded with the hydraulic rod (3222), and the hydraulic rod (3222) is fixed with the collecting box (13) through screws.